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Remove generated shaders from dev branch

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This commit is contained in:
Raph Levien 2022-07-13 11:24:19 -07:00
parent b77df99159
commit 64e6268059
122 changed files with 1 additions and 18684 deletions
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1
.gitignore vendored
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@ -2,3 +2,4 @@
**/*.rs.bk
.ninja_deps
.ninja_log
**/shader/gen

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piet-gpu-hal/examples/shader/gen/collatz.dxil generated
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piet-gpu-hal/examples/shader/gen/collatz.hlsl generated
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static const uint3 gl_WorkGroupSize = uint3(1u, 1u, 1u);
RWByteAddressBuffer _57 : register(u0);
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
float mod(float x, float y)
{
return x - y * floor(x / y);
}
float2 mod(float2 x, float2 y)
{
return x - y * floor(x / y);
}
float3 mod(float3 x, float3 y)
{
return x - y * floor(x / y);
}
float4 mod(float4 x, float4 y)
{
return x - y * floor(x / y);
}
uint collatz_iterations(inout uint n)
{
uint i = 0u;
while (n != 1u)
{
if (mod(float(n), 2.0f) == 0.0f)
{
n /= 2u;
}
else
{
n = (3u * n) + 1u;
}
i++;
}
return i;
}
void comp_main()
{
uint index = gl_GlobalInvocationID.x;
uint param = _57.Load(index * 4 + 0);
uint _65 = collatz_iterations(param);
_57.Store(index * 4 + 0, _65);
}
[numthreads(1, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

48
piet-gpu-hal/examples/shader/gen/collatz.msl generated
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@ -1,48 +0,0 @@
#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct PrimeIndices
{
uint indices[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(1u);
// Implementation of the GLSL mod() function, which is slightly different than Metal fmod()
template<typename Tx, typename Ty>
inline Tx mod(Tx x, Ty y)
{
return x - y * floor(x / y);
}
static inline __attribute__((always_inline))
uint collatz_iterations(thread uint& n)
{
uint i = 0u;
while (n != 1u)
{
if (mod(float(n), 2.0) == 0.0)
{
n /= 2u;
}
else
{
n = (3u * n) + 1u;
}
i++;
}
return i;
}
kernel void main0(device PrimeIndices& _57 [[buffer(0)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
uint index = gl_GlobalInvocationID.x;
uint param = _57.indices[index];
uint _65 = collatz_iterations(param);
_57.indices[index] = _65;
}

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piet-gpu-hal/examples/shader/gen/collatz.spv generated
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piet-gpu/shader/gen/backdrop.dxil generated
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244
piet-gpu/shader/gen/backdrop.hlsl generated
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@ -1,244 +0,0 @@
struct Alloc
{
uint offset;
};
struct PathRef
{
uint offset;
};
struct TileRef
{
uint offset;
};
struct Path
{
uint4 bbox;
TileRef tiles;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
RWByteAddressBuffer _67 : register(u0, space0);
ByteAddressBuffer _166 : register(t1, space0);
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
static uint gl_LocalInvocationIndex;
struct SPIRV_Cross_Input
{
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
uint gl_LocalInvocationIndex : SV_GroupIndex;
};
groupshared uint sh_row_width[256];
groupshared Alloc sh_row_alloc[256];
groupshared uint sh_row_count[256];
bool touch_mem(Alloc alloc, uint offset)
{
return true;
}
uint read_mem(Alloc alloc, uint offset)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return 0u;
}
uint v = _67.Load(offset * 4 + 8);
return v;
}
Path Path_read(Alloc a, PathRef ref)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint raw0 = read_mem(param, param_1);
Alloc param_2 = a;
uint param_3 = ix + 1u;
uint raw1 = read_mem(param_2, param_3);
Alloc param_4 = a;
uint param_5 = ix + 2u;
uint raw2 = read_mem(param_4, param_5);
Path s;
s.bbox = uint4(raw0 & 65535u, raw0 >> uint(16), raw1 & 65535u, raw1 >> uint(16));
TileRef _134 = { raw2 };
s.tiles = _134;
return s;
}
Alloc new_alloc(uint offset, uint size, bool mem_ok)
{
Alloc a;
a.offset = offset;
return a;
}
void write_mem(Alloc alloc, uint offset, uint val)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
_67.Store(offset * 4 + 8, val);
}
void comp_main()
{
uint th_ix = gl_LocalInvocationIndex;
uint element_ix = gl_GlobalInvocationID.x;
uint row_count = 0u;
bool mem_ok = _67.Load(4) == 0u;
if (gl_LocalInvocationID.y == 0u)
{
if (element_ix < _166.Load(0))
{
PathRef _180 = { _166.Load(16) + (element_ix * 12u) };
PathRef path_ref = _180;
Alloc _185;
_185.offset = _166.Load(16);
Alloc param;
param.offset = _185.offset;
PathRef param_1 = path_ref;
Path path = Path_read(param, param_1);
sh_row_width[th_ix] = path.bbox.z - path.bbox.x;
row_count = path.bbox.w - path.bbox.y;
bool _210 = row_count == 1u;
bool _216;
if (_210)
{
_216 = path.bbox.y > 0u;
}
else
{
_216 = _210;
}
if (_216)
{
row_count = 0u;
}
uint param_2 = path.tiles.offset;
uint param_3 = ((path.bbox.z - path.bbox.x) * (path.bbox.w - path.bbox.y)) * 8u;
bool param_4 = mem_ok;
Alloc path_alloc = new_alloc(param_2, param_3, param_4);
sh_row_alloc[th_ix] = path_alloc;
}
sh_row_count[th_ix] = row_count;
}
for (uint i = 0u; i < 8u; i++)
{
GroupMemoryBarrierWithGroupSync();
bool _262 = gl_LocalInvocationID.y == 0u;
bool _269;
if (_262)
{
_269 = th_ix >= (1u << i);
}
else
{
_269 = _262;
}
if (_269)
{
row_count += sh_row_count[th_ix - (1u << i)];
}
GroupMemoryBarrierWithGroupSync();
if (gl_LocalInvocationID.y == 0u)
{
sh_row_count[th_ix] = row_count;
}
}
GroupMemoryBarrierWithGroupSync();
uint total_rows = sh_row_count[255];
uint _348;
for (uint row = th_ix; row < total_rows; row += 256u)
{
uint el_ix = 0u;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
uint probe = el_ix + (128u >> i_1);
if (row >= sh_row_count[probe - 1u])
{
el_ix = probe;
}
}
uint width = sh_row_width[el_ix];
if ((width > 0u) && mem_ok)
{
Alloc tiles_alloc = sh_row_alloc[el_ix];
if (el_ix > 0u)
{
_348 = sh_row_count[el_ix - 1u];
}
else
{
_348 = 0u;
}
uint seq_ix = row - _348;
uint tile_el_ix = ((tiles_alloc.offset >> uint(2)) + 1u) + ((seq_ix * 2u) * width);
Alloc param_5 = tiles_alloc;
uint param_6 = tile_el_ix;
uint sum = read_mem(param_5, param_6);
for (uint x = 1u; x < width; x++)
{
tile_el_ix += 2u;
Alloc param_7 = tiles_alloc;
uint param_8 = tile_el_ix;
sum += read_mem(param_7, param_8);
Alloc param_9 = tiles_alloc;
uint param_10 = tile_el_ix;
uint param_11 = sum;
write_mem(param_9, param_10, param_11);
}
}
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
gl_LocalInvocationIndex = stage_input.gl_LocalInvocationIndex;
comp_main();
}

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piet-gpu/shader/gen/backdrop.msl generated
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@ -1,247 +0,0 @@
#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Alloc
{
uint offset;
};
struct PathRef
{
uint offset;
};
struct TileRef
{
uint offset;
};
struct Path
{
uint4 bbox;
TileRef tiles;
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
struct Alloc_1
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc_1 tile_alloc;
Alloc_1 bin_alloc;
Alloc_1 ptcl_alloc;
Alloc_1 pathseg_alloc;
Alloc_1 anno_alloc;
Alloc_1 trans_alloc;
Alloc_1 path_bbox_alloc;
Alloc_1 drawmonoid_alloc;
Alloc_1 clip_alloc;
Alloc_1 clip_bic_alloc;
Alloc_1 clip_stack_alloc;
Alloc_1 clip_bbox_alloc;
Alloc_1 draw_bbox_alloc;
Alloc_1 drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
bool touch_mem(thread const Alloc& alloc, thread const uint& offset)
{
return true;
}
static inline __attribute__((always_inline))
uint read_mem(thread const Alloc& alloc, thread const uint& offset, device Memory& v_67)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return 0u;
}
uint v = v_67.memory[offset];
return v;
}
static inline __attribute__((always_inline))
Path Path_read(thread const Alloc& a, thread const PathRef& ref, device Memory& v_67)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint raw0 = read_mem(param, param_1, v_67);
Alloc param_2 = a;
uint param_3 = ix + 1u;
uint raw1 = read_mem(param_2, param_3, v_67);
Alloc param_4 = a;
uint param_5 = ix + 2u;
uint raw2 = read_mem(param_4, param_5, v_67);
Path s;
s.bbox = uint4(raw0 & 65535u, raw0 >> uint(16), raw1 & 65535u, raw1 >> uint(16));
s.tiles = TileRef{ raw2 };
return s;
}
static inline __attribute__((always_inline))
Alloc new_alloc(thread const uint& offset, thread const uint& size, thread const bool& mem_ok)
{
Alloc a;
a.offset = offset;
return a;
}
static inline __attribute__((always_inline))
void write_mem(thread const Alloc& alloc, thread const uint& offset, thread const uint& val, device Memory& v_67)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
v_67.memory[offset] = val;
}
kernel void main0(device Memory& v_67 [[buffer(0)]], const device ConfigBuf& _166 [[buffer(1)]], uint gl_LocalInvocationIndex [[thread_index_in_threadgroup]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]])
{
threadgroup uint sh_row_width[256];
threadgroup Alloc sh_row_alloc[256];
threadgroup uint sh_row_count[256];
uint th_ix = gl_LocalInvocationIndex;
uint element_ix = gl_GlobalInvocationID.x;
uint row_count = 0u;
bool mem_ok = v_67.mem_error == 0u;
if (gl_LocalInvocationID.y == 0u)
{
if (element_ix < _166.conf.n_elements)
{
PathRef path_ref = PathRef{ _166.conf.tile_alloc.offset + (element_ix * 12u) };
Alloc param;
param.offset = _166.conf.tile_alloc.offset;
PathRef param_1 = path_ref;
Path path = Path_read(param, param_1, v_67);
sh_row_width[th_ix] = path.bbox.z - path.bbox.x;
row_count = path.bbox.w - path.bbox.y;
bool _210 = row_count == 1u;
bool _216;
if (_210)
{
_216 = path.bbox.y > 0u;
}
else
{
_216 = _210;
}
if (_216)
{
row_count = 0u;
}
uint param_2 = path.tiles.offset;
uint param_3 = ((path.bbox.z - path.bbox.x) * (path.bbox.w - path.bbox.y)) * 8u;
bool param_4 = mem_ok;
Alloc path_alloc = new_alloc(param_2, param_3, param_4);
sh_row_alloc[th_ix] = path_alloc;
}
sh_row_count[th_ix] = row_count;
}
for (uint i = 0u; i < 8u; i++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
bool _262 = gl_LocalInvocationID.y == 0u;
bool _269;
if (_262)
{
_269 = th_ix >= (1u << i);
}
else
{
_269 = _262;
}
if (_269)
{
row_count += sh_row_count[th_ix - (1u << i)];
}
threadgroup_barrier(mem_flags::mem_threadgroup);
if (gl_LocalInvocationID.y == 0u)
{
sh_row_count[th_ix] = row_count;
}
}
threadgroup_barrier(mem_flags::mem_threadgroup);
uint total_rows = sh_row_count[255];
uint _348;
for (uint row = th_ix; row < total_rows; row += 256u)
{
uint el_ix = 0u;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
uint probe = el_ix + (128u >> i_1);
if (row >= sh_row_count[probe - 1u])
{
el_ix = probe;
}
}
uint width = sh_row_width[el_ix];
if ((width > 0u) && mem_ok)
{
Alloc tiles_alloc = sh_row_alloc[el_ix];
if (el_ix > 0u)
{
_348 = sh_row_count[el_ix - 1u];
}
else
{
_348 = 0u;
}
uint seq_ix = row - _348;
uint tile_el_ix = ((tiles_alloc.offset >> uint(2)) + 1u) + ((seq_ix * 2u) * width);
Alloc param_5 = tiles_alloc;
uint param_6 = tile_el_ix;
uint sum = read_mem(param_5, param_6, v_67);
for (uint x = 1u; x < width; x++)
{
tile_el_ix += 2u;
Alloc param_7 = tiles_alloc;
uint param_8 = tile_el_ix;
sum += read_mem(param_7, param_8, v_67);
Alloc param_9 = tiles_alloc;
uint param_10 = tile_el_ix;
uint param_11 = sum;
write_mem(param_9, param_10, param_11, v_67);
}
}
}
}

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piet-gpu/shader/gen/backdrop.spv generated
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piet-gpu/shader/gen/backdrop_lg.dxil generated
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piet-gpu/shader/gen/backdrop_lg.hlsl generated
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struct Alloc
{
uint offset;
};
struct PathRef
{
uint offset;
};
struct TileRef
{
uint offset;
};
struct Path
{
uint4 bbox;
TileRef tiles;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 4u, 1u);
RWByteAddressBuffer _67 : register(u0, space0);
ByteAddressBuffer _166 : register(t1, space0);
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
static uint gl_LocalInvocationIndex;
struct SPIRV_Cross_Input
{
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
uint gl_LocalInvocationIndex : SV_GroupIndex;
};
groupshared uint sh_row_width[256];
groupshared Alloc sh_row_alloc[256];
groupshared uint sh_row_count[256];
bool touch_mem(Alloc alloc, uint offset)
{
return true;
}
uint read_mem(Alloc alloc, uint offset)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return 0u;
}
uint v = _67.Load(offset * 4 + 8);
return v;
}
Path Path_read(Alloc a, PathRef ref)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint raw0 = read_mem(param, param_1);
Alloc param_2 = a;
uint param_3 = ix + 1u;
uint raw1 = read_mem(param_2, param_3);
Alloc param_4 = a;
uint param_5 = ix + 2u;
uint raw2 = read_mem(param_4, param_5);
Path s;
s.bbox = uint4(raw0 & 65535u, raw0 >> uint(16), raw1 & 65535u, raw1 >> uint(16));
TileRef _134 = { raw2 };
s.tiles = _134;
return s;
}
Alloc new_alloc(uint offset, uint size, bool mem_ok)
{
Alloc a;
a.offset = offset;
return a;
}
void write_mem(Alloc alloc, uint offset, uint val)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
_67.Store(offset * 4 + 8, val);
}
void comp_main()
{
uint th_ix = gl_LocalInvocationIndex;
uint element_ix = gl_GlobalInvocationID.x;
uint row_count = 0u;
bool mem_ok = _67.Load(4) == 0u;
if (gl_LocalInvocationID.y == 0u)
{
if (element_ix < _166.Load(0))
{
PathRef _180 = { _166.Load(16) + (element_ix * 12u) };
PathRef path_ref = _180;
Alloc _185;
_185.offset = _166.Load(16);
Alloc param;
param.offset = _185.offset;
PathRef param_1 = path_ref;
Path path = Path_read(param, param_1);
sh_row_width[th_ix] = path.bbox.z - path.bbox.x;
row_count = path.bbox.w - path.bbox.y;
bool _210 = row_count == 1u;
bool _216;
if (_210)
{
_216 = path.bbox.y > 0u;
}
else
{
_216 = _210;
}
if (_216)
{
row_count = 0u;
}
uint param_2 = path.tiles.offset;
uint param_3 = ((path.bbox.z - path.bbox.x) * (path.bbox.w - path.bbox.y)) * 8u;
bool param_4 = mem_ok;
Alloc path_alloc = new_alloc(param_2, param_3, param_4);
sh_row_alloc[th_ix] = path_alloc;
}
sh_row_count[th_ix] = row_count;
}
for (uint i = 0u; i < 8u; i++)
{
GroupMemoryBarrierWithGroupSync();
bool _262 = gl_LocalInvocationID.y == 0u;
bool _269;
if (_262)
{
_269 = th_ix >= (1u << i);
}
else
{
_269 = _262;
}
if (_269)
{
row_count += sh_row_count[th_ix - (1u << i)];
}
GroupMemoryBarrierWithGroupSync();
if (gl_LocalInvocationID.y == 0u)
{
sh_row_count[th_ix] = row_count;
}
}
GroupMemoryBarrierWithGroupSync();
uint total_rows = sh_row_count[255];
uint _348;
for (uint row = th_ix; row < total_rows; row += 1024u)
{
uint el_ix = 0u;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
uint probe = el_ix + (128u >> i_1);
if (row >= sh_row_count[probe - 1u])
{
el_ix = probe;
}
}
uint width = sh_row_width[el_ix];
if ((width > 0u) && mem_ok)
{
Alloc tiles_alloc = sh_row_alloc[el_ix];
if (el_ix > 0u)
{
_348 = sh_row_count[el_ix - 1u];
}
else
{
_348 = 0u;
}
uint seq_ix = row - _348;
uint tile_el_ix = ((tiles_alloc.offset >> uint(2)) + 1u) + ((seq_ix * 2u) * width);
Alloc param_5 = tiles_alloc;
uint param_6 = tile_el_ix;
uint sum = read_mem(param_5, param_6);
for (uint x = 1u; x < width; x++)
{
tile_el_ix += 2u;
Alloc param_7 = tiles_alloc;
uint param_8 = tile_el_ix;
sum += read_mem(param_7, param_8);
Alloc param_9 = tiles_alloc;
uint param_10 = tile_el_ix;
uint param_11 = sum;
write_mem(param_9, param_10, param_11);
}
}
}
}
[numthreads(256, 4, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
gl_LocalInvocationIndex = stage_input.gl_LocalInvocationIndex;
comp_main();
}

247
piet-gpu/shader/gen/backdrop_lg.msl generated
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@ -1,247 +0,0 @@
#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Alloc
{
uint offset;
};
struct PathRef
{
uint offset;
};
struct TileRef
{
uint offset;
};
struct Path
{
uint4 bbox;
TileRef tiles;
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
struct Alloc_1
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc_1 tile_alloc;
Alloc_1 bin_alloc;
Alloc_1 ptcl_alloc;
Alloc_1 pathseg_alloc;
Alloc_1 anno_alloc;
Alloc_1 trans_alloc;
Alloc_1 path_bbox_alloc;
Alloc_1 drawmonoid_alloc;
Alloc_1 clip_alloc;
Alloc_1 clip_bic_alloc;
Alloc_1 clip_stack_alloc;
Alloc_1 clip_bbox_alloc;
Alloc_1 draw_bbox_alloc;
Alloc_1 drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 4u, 1u);
static inline __attribute__((always_inline))
bool touch_mem(thread const Alloc& alloc, thread const uint& offset)
{
return true;
}
static inline __attribute__((always_inline))
uint read_mem(thread const Alloc& alloc, thread const uint& offset, device Memory& v_67)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return 0u;
}
uint v = v_67.memory[offset];
return v;
}
static inline __attribute__((always_inline))
Path Path_read(thread const Alloc& a, thread const PathRef& ref, device Memory& v_67)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint raw0 = read_mem(param, param_1, v_67);
Alloc param_2 = a;
uint param_3 = ix + 1u;
uint raw1 = read_mem(param_2, param_3, v_67);
Alloc param_4 = a;
uint param_5 = ix + 2u;
uint raw2 = read_mem(param_4, param_5, v_67);
Path s;
s.bbox = uint4(raw0 & 65535u, raw0 >> uint(16), raw1 & 65535u, raw1 >> uint(16));
s.tiles = TileRef{ raw2 };
return s;
}
static inline __attribute__((always_inline))
Alloc new_alloc(thread const uint& offset, thread const uint& size, thread const bool& mem_ok)
{
Alloc a;
a.offset = offset;
return a;
}
static inline __attribute__((always_inline))
void write_mem(thread const Alloc& alloc, thread const uint& offset, thread const uint& val, device Memory& v_67)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
v_67.memory[offset] = val;
}
kernel void main0(device Memory& v_67 [[buffer(0)]], const device ConfigBuf& _166 [[buffer(1)]], uint gl_LocalInvocationIndex [[thread_index_in_threadgroup]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]])
{
threadgroup uint sh_row_width[256];
threadgroup Alloc sh_row_alloc[256];
threadgroup uint sh_row_count[256];
uint th_ix = gl_LocalInvocationIndex;
uint element_ix = gl_GlobalInvocationID.x;
uint row_count = 0u;
bool mem_ok = v_67.mem_error == 0u;
if (gl_LocalInvocationID.y == 0u)
{
if (element_ix < _166.conf.n_elements)
{
PathRef path_ref = PathRef{ _166.conf.tile_alloc.offset + (element_ix * 12u) };
Alloc param;
param.offset = _166.conf.tile_alloc.offset;
PathRef param_1 = path_ref;
Path path = Path_read(param, param_1, v_67);
sh_row_width[th_ix] = path.bbox.z - path.bbox.x;
row_count = path.bbox.w - path.bbox.y;
bool _210 = row_count == 1u;
bool _216;
if (_210)
{
_216 = path.bbox.y > 0u;
}
else
{
_216 = _210;
}
if (_216)
{
row_count = 0u;
}
uint param_2 = path.tiles.offset;
uint param_3 = ((path.bbox.z - path.bbox.x) * (path.bbox.w - path.bbox.y)) * 8u;
bool param_4 = mem_ok;
Alloc path_alloc = new_alloc(param_2, param_3, param_4);
sh_row_alloc[th_ix] = path_alloc;
}
sh_row_count[th_ix] = row_count;
}
for (uint i = 0u; i < 8u; i++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
bool _262 = gl_LocalInvocationID.y == 0u;
bool _269;
if (_262)
{
_269 = th_ix >= (1u << i);
}
else
{
_269 = _262;
}
if (_269)
{
row_count += sh_row_count[th_ix - (1u << i)];
}
threadgroup_barrier(mem_flags::mem_threadgroup);
if (gl_LocalInvocationID.y == 0u)
{
sh_row_count[th_ix] = row_count;
}
}
threadgroup_barrier(mem_flags::mem_threadgroup);
uint total_rows = sh_row_count[255];
uint _348;
for (uint row = th_ix; row < total_rows; row += 1024u)
{
uint el_ix = 0u;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
uint probe = el_ix + (128u >> i_1);
if (row >= sh_row_count[probe - 1u])
{
el_ix = probe;
}
}
uint width = sh_row_width[el_ix];
if ((width > 0u) && mem_ok)
{
Alloc tiles_alloc = sh_row_alloc[el_ix];
if (el_ix > 0u)
{
_348 = sh_row_count[el_ix - 1u];
}
else
{
_348 = 0u;
}
uint seq_ix = row - _348;
uint tile_el_ix = ((tiles_alloc.offset >> uint(2)) + 1u) + ((seq_ix * 2u) * width);
Alloc param_5 = tiles_alloc;
uint param_6 = tile_el_ix;
uint sum = read_mem(param_5, param_6, v_67);
for (uint x = 1u; x < width; x++)
{
tile_el_ix += 2u;
Alloc param_7 = tiles_alloc;
uint param_8 = tile_el_ix;
sum += read_mem(param_7, param_8, v_67);
Alloc param_9 = tiles_alloc;
uint param_10 = tile_el_ix;
uint param_11 = sum;
write_mem(param_9, param_10, param_11, v_67);
}
}
}
}

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piet-gpu/shader/gen/bbox_clear.dxil generated
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piet-gpu/shader/gen/bbox_clear.hlsl generated
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struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(512u, 1u, 1u);
ByteAddressBuffer _21 : register(t1, space0);
RWByteAddressBuffer _45 : register(u0, space0);
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
void comp_main()
{
uint ix = gl_GlobalInvocationID.x;
if (ix < _21.Load(76))
{
uint out_ix = (_21.Load(40) >> uint(2)) + (6u * ix);
_45.Store(out_ix * 4 + 8, 65535u);
_45.Store((out_ix + 1u) * 4 + 8, 65535u);
_45.Store((out_ix + 2u) * 4 + 8, 0u);
_45.Store((out_ix + 3u) * 4 + 8, 0u);
}
}
[numthreads(512, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

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piet-gpu/shader/gen/bbox_clear.msl generated
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#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(512u, 1u, 1u);
kernel void main0(device Memory& _45 [[buffer(0)]], const device ConfigBuf& _21 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
uint ix = gl_GlobalInvocationID.x;
if (ix < _21.conf.n_path)
{
uint out_ix = (_21.conf.path_bbox_alloc.offset >> uint(2)) + (6u * ix);
_45.memory[out_ix] = 65535u;
_45.memory[out_ix + 1u] = 65535u;
_45.memory[out_ix + 2u] = 0u;
_45.memory[out_ix + 3u] = 0u;
}
}

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piet-gpu/shader/gen/binning.dxil generated
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piet-gpu/shader/gen/binning.hlsl generated
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struct Alloc
{
uint offset;
};
struct MallocResult
{
Alloc alloc;
bool failed;
};
struct BinInstanceRef
{
uint offset;
};
struct BinInstance
{
uint element_ix;
};
struct DrawMonoid
{
uint path_ix;
uint clip_ix;
uint scene_offset;
uint info_offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
RWByteAddressBuffer _81 : register(u0, space0);
ByteAddressBuffer _156 : register(t1, space0);
static uint3 gl_WorkGroupID;
static uint3 gl_LocalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_WorkGroupID : SV_GroupID;
uint3 gl_LocalInvocationID : SV_GroupThreadID;
};
groupshared uint bitmaps[8][256];
groupshared bool sh_alloc_failed;
groupshared uint count[8][256];
groupshared Alloc sh_chunk_alloc[256];
DrawMonoid load_draw_monoid(uint element_ix)
{
uint base = (_156.Load(44) >> uint(2)) + (4u * element_ix);
uint path_ix = _81.Load(base * 4 + 8);
uint clip_ix = _81.Load((base + 1u) * 4 + 8);
uint scene_offset = _81.Load((base + 2u) * 4 + 8);
uint info_offset = _81.Load((base + 3u) * 4 + 8);
DrawMonoid _190 = { path_ix, clip_ix, scene_offset, info_offset };
return _190;
}
float4 load_clip_bbox(uint clip_ix)
{
uint base = (_156.Load(60) >> uint(2)) + (4u * clip_ix);
float x0 = asfloat(_81.Load(base * 4 + 8));
float y0 = asfloat(_81.Load((base + 1u) * 4 + 8));
float x1 = asfloat(_81.Load((base + 2u) * 4 + 8));
float y1 = asfloat(_81.Load((base + 3u) * 4 + 8));
float4 bbox = float4(x0, y0, x1, y1);
return bbox;
}
float4 load_path_bbox(uint path_ix)
{
uint base = (_156.Load(40) >> uint(2)) + (6u * path_ix);
float bbox_l = float(_81.Load(base * 4 + 8)) - 32768.0f;
float bbox_t = float(_81.Load((base + 1u) * 4 + 8)) - 32768.0f;
float bbox_r = float(_81.Load((base + 2u) * 4 + 8)) - 32768.0f;
float bbox_b = float(_81.Load((base + 3u) * 4 + 8)) - 32768.0f;
float4 bbox = float4(bbox_l, bbox_t, bbox_r, bbox_b);
return bbox;
}
float4 bbox_intersect(float4 a, float4 b)
{
return float4(max(a.xy, b.xy), min(a.zw, b.zw));
}
void store_draw_bbox(uint draw_ix, float4 bbox)
{
uint base = (_156.Load(64) >> uint(2)) + (4u * draw_ix);
_81.Store(base * 4 + 8, asuint(bbox.x));
_81.Store((base + 1u) * 4 + 8, asuint(bbox.y));
_81.Store((base + 2u) * 4 + 8, asuint(bbox.z));
_81.Store((base + 3u) * 4 + 8, asuint(bbox.w));
}
Alloc new_alloc(uint offset, uint size, bool mem_ok)
{
Alloc a;
a.offset = offset;
return a;
}
MallocResult malloc(uint size)
{
uint _87;
_81.InterlockedAdd(0, size, _87);
uint offset = _87;
uint _94;
_81.GetDimensions(_94);
_94 = (_94 - 8) / 4;
MallocResult r;
r.failed = (offset + size) > uint(int(_94) * 4);
uint param = offset;
uint param_1 = size;
bool param_2 = !r.failed;
r.alloc = new_alloc(param, param_1, param_2);
if (r.failed)
{
uint _116;
_81.InterlockedMax(4, 1u, _116);
return r;
}
return r;
}
bool touch_mem(Alloc alloc, uint offset)
{
return true;
}
void write_mem(Alloc alloc, uint offset, uint val)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
_81.Store(offset * 4 + 8, val);
}
void BinInstance_write(Alloc a, BinInstanceRef ref, BinInstance s)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint param_2 = s.element_ix;
write_mem(param, param_1, param_2);
}
void comp_main()
{
uint my_partition = gl_WorkGroupID.x;
for (uint i = 0u; i < 8u; i++)
{
bitmaps[i][gl_LocalInvocationID.x] = 0u;
}
if (gl_LocalInvocationID.x == 0u)
{
sh_alloc_failed = false;
}
GroupMemoryBarrierWithGroupSync();
uint element_ix = (my_partition * 256u) + gl_LocalInvocationID.x;
int x0 = 0;
int y0 = 0;
int x1 = 0;
int y1 = 0;
if (element_ix < _156.Load(0))
{
uint param = element_ix;
DrawMonoid draw_monoid = load_draw_monoid(param);
uint path_ix = draw_monoid.path_ix;
float4 clip_bbox = float4(-1000000000.0f, -1000000000.0f, 1000000000.0f, 1000000000.0f);
uint clip_ix = draw_monoid.clip_ix;
if (clip_ix > 0u)
{
uint param_1 = clip_ix - 1u;
clip_bbox = load_clip_bbox(param_1);
}
uint param_2 = path_ix;
float4 path_bbox = load_path_bbox(param_2);
float4 param_3 = path_bbox;
float4 param_4 = clip_bbox;
float4 bbox = bbox_intersect(param_3, param_4);
float4 _417 = bbox;
float4 _419 = bbox;
float2 _421 = max(_417.xy, _419.zw);
bbox.z = _421.x;
bbox.w = _421.y;
uint param_5 = element_ix;
float4 param_6 = bbox;
store_draw_bbox(param_5, param_6);
x0 = int(floor(bbox.x * 0.00390625f));
y0 = int(floor(bbox.y * 0.00390625f));
x1 = int(ceil(bbox.z * 0.00390625f));
y1 = int(ceil(bbox.w * 0.00390625f));
}
uint width_in_bins = ((_156.Load(8) + 16u) - 1u) / 16u;
uint height_in_bins = ((_156.Load(12) + 16u) - 1u) / 16u;
x0 = clamp(x0, 0, int(width_in_bins));
x1 = clamp(x1, x0, int(width_in_bins));
y0 = clamp(y0, 0, int(height_in_bins));
y1 = clamp(y1, y0, int(height_in_bins));
if (x0 == x1)
{
y1 = y0;
}
int x = x0;
int y = y0;
uint my_slice = gl_LocalInvocationID.x / 32u;
uint my_mask = 1u << (gl_LocalInvocationID.x & 31u);
while (y < y1)
{
uint _523;
InterlockedOr(bitmaps[my_slice][(uint(y) * width_in_bins) + uint(x)], my_mask, _523);
x++;
if (x == x1)
{
x = x0;
y++;
}
}
GroupMemoryBarrierWithGroupSync();
uint element_count = 0u;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
element_count += uint(int(countbits(bitmaps[i_1][gl_LocalInvocationID.x])));
count[i_1][gl_LocalInvocationID.x] = element_count;
}
uint param_7 = 0u;
uint param_8 = 0u;
bool param_9 = true;
Alloc chunk_alloc = new_alloc(param_7, param_8, param_9);
if (element_count != 0u)
{
uint param_10 = element_count * 4u;
MallocResult _573 = malloc(param_10);
MallocResult chunk = _573;
chunk_alloc = chunk.alloc;
sh_chunk_alloc[gl_LocalInvocationID.x] = chunk_alloc;
if (chunk.failed)
{
sh_alloc_failed = true;
}
}
uint out_ix = (_156.Load(20) >> uint(2)) + (((my_partition * 256u) + gl_LocalInvocationID.x) * 2u);
Alloc _603;
_603.offset = _156.Load(20);
Alloc param_11;
param_11.offset = _603.offset;
uint param_12 = out_ix;
uint param_13 = element_count;
write_mem(param_11, param_12, param_13);
Alloc _615;
_615.offset = _156.Load(20);
Alloc param_14;
param_14.offset = _615.offset;
uint param_15 = out_ix + 1u;
uint param_16 = chunk_alloc.offset;
write_mem(param_14, param_15, param_16);
GroupMemoryBarrierWithGroupSync();
bool _630;
if (!sh_alloc_failed)
{
_630 = _81.Load(4) != 0u;
}
else
{
_630 = sh_alloc_failed;
}
if (_630)
{
return;
}
x = x0;
y = y0;
while (y < y1)
{
uint bin_ix = (uint(y) * width_in_bins) + uint(x);
uint out_mask = bitmaps[my_slice][bin_ix];
if ((out_mask & my_mask) != 0u)
{
uint idx = uint(int(countbits(out_mask & (my_mask - 1u))));
if (my_slice > 0u)
{
idx += count[my_slice - 1u][bin_ix];
}
Alloc out_alloc = sh_chunk_alloc[bin_ix];
uint out_offset = out_alloc.offset + (idx * 4u);
BinInstanceRef _692 = { out_offset };
BinInstance _694 = { element_ix };
Alloc param_17 = out_alloc;
BinInstanceRef param_18 = _692;
BinInstance param_19 = _694;
BinInstance_write(param_17, param_18, param_19);
}
x++;
if (x == x1)
{
x = x0;
y++;
}
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_WorkGroupID = stage_input.gl_WorkGroupID;
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
comp_main();
}

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#pragma clang diagnostic ignored "-Wmissing-prototypes"
#pragma clang diagnostic ignored "-Wunused-variable"
#include <metal_stdlib>
#include <simd/simd.h>
#include <metal_atomic>
using namespace metal;
struct Alloc
{
uint offset;
};
struct MallocResult
{
Alloc alloc;
bool failed;
};
struct BinInstanceRef
{
uint offset;
};
struct BinInstance
{
uint element_ix;
};
struct DrawMonoid
{
uint path_ix;
uint clip_ix;
uint scene_offset;
uint info_offset;
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
struct Alloc_1
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc_1 tile_alloc;
Alloc_1 bin_alloc;
Alloc_1 ptcl_alloc;
Alloc_1 pathseg_alloc;
Alloc_1 anno_alloc;
Alloc_1 trans_alloc;
Alloc_1 path_bbox_alloc;
Alloc_1 drawmonoid_alloc;
Alloc_1 clip_alloc;
Alloc_1 clip_bic_alloc;
Alloc_1 clip_stack_alloc;
Alloc_1 clip_bbox_alloc;
Alloc_1 draw_bbox_alloc;
Alloc_1 drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
DrawMonoid load_draw_monoid(thread const uint& element_ix, device Memory& v_81, constant uint& v_81BufferSize, const device ConfigBuf& v_156)
{
uint base = (v_156.conf.drawmonoid_alloc.offset >> uint(2)) + (4u * element_ix);
uint path_ix = v_81.memory[base];
uint clip_ix = v_81.memory[base + 1u];
uint scene_offset = v_81.memory[base + 2u];
uint info_offset = v_81.memory[base + 3u];
return DrawMonoid{ path_ix, clip_ix, scene_offset, info_offset };
}
static inline __attribute__((always_inline))
float4 load_clip_bbox(thread const uint& clip_ix, device Memory& v_81, constant uint& v_81BufferSize, const device ConfigBuf& v_156)
{
uint base = (v_156.conf.clip_bbox_alloc.offset >> uint(2)) + (4u * clip_ix);
float x0 = as_type<float>(v_81.memory[base]);
float y0 = as_type<float>(v_81.memory[base + 1u]);
float x1 = as_type<float>(v_81.memory[base + 2u]);
float y1 = as_type<float>(v_81.memory[base + 3u]);
float4 bbox = float4(x0, y0, x1, y1);
return bbox;
}
static inline __attribute__((always_inline))
float4 load_path_bbox(thread const uint& path_ix, device Memory& v_81, constant uint& v_81BufferSize, const device ConfigBuf& v_156)
{
uint base = (v_156.conf.path_bbox_alloc.offset >> uint(2)) + (6u * path_ix);
float bbox_l = float(v_81.memory[base]) - 32768.0;
float bbox_t = float(v_81.memory[base + 1u]) - 32768.0;
float bbox_r = float(v_81.memory[base + 2u]) - 32768.0;
float bbox_b = float(v_81.memory[base + 3u]) - 32768.0;
float4 bbox = float4(bbox_l, bbox_t, bbox_r, bbox_b);
return bbox;
}
static inline __attribute__((always_inline))
float4 bbox_intersect(thread const float4& a, thread const float4& b)
{
return float4(fast::max(a.xy, b.xy), fast::min(a.zw, b.zw));
}
static inline __attribute__((always_inline))
void store_draw_bbox(thread const uint& draw_ix, thread const float4& bbox, device Memory& v_81, constant uint& v_81BufferSize, const device ConfigBuf& v_156)
{
uint base = (v_156.conf.draw_bbox_alloc.offset >> uint(2)) + (4u * draw_ix);
v_81.memory[base] = as_type<uint>(bbox.x);
v_81.memory[base + 1u] = as_type<uint>(bbox.y);
v_81.memory[base + 2u] = as_type<uint>(bbox.z);
v_81.memory[base + 3u] = as_type<uint>(bbox.w);
}
static inline __attribute__((always_inline))
Alloc new_alloc(thread const uint& offset, thread const uint& size, thread const bool& mem_ok)
{
Alloc a;
a.offset = offset;
return a;
}
static inline __attribute__((always_inline))
MallocResult malloc(thread const uint& size, device Memory& v_81, constant uint& v_81BufferSize)
{
uint _87 = atomic_fetch_add_explicit((device atomic_uint*)&v_81.mem_offset, size, memory_order_relaxed);
uint offset = _87;
MallocResult r;
r.failed = (offset + size) > uint(int((v_81BufferSize - 8) / 4) * 4);
uint param = offset;
uint param_1 = size;
bool param_2 = !r.failed;
r.alloc = new_alloc(param, param_1, param_2);
if (r.failed)
{
uint _116 = atomic_fetch_max_explicit((device atomic_uint*)&v_81.mem_error, 1u, memory_order_relaxed);
return r;
}
return r;
}
static inline __attribute__((always_inline))
bool touch_mem(thread const Alloc& alloc, thread const uint& offset)
{
return true;
}
static inline __attribute__((always_inline))
void write_mem(thread const Alloc& alloc, thread const uint& offset, thread const uint& val, device Memory& v_81, constant uint& v_81BufferSize)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
v_81.memory[offset] = val;
}
static inline __attribute__((always_inline))
void BinInstance_write(thread const Alloc& a, thread const BinInstanceRef& ref, thread const BinInstance& s, device Memory& v_81, constant uint& v_81BufferSize)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint param_2 = s.element_ix;
write_mem(param, param_1, param_2, v_81, v_81BufferSize);
}
kernel void main0(constant uint* spvBufferSizeConstants [[buffer(25)]], device Memory& v_81 [[buffer(0)]], const device ConfigBuf& v_156 [[buffer(1)]], uint3 gl_WorkGroupID [[threadgroup_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]])
{
threadgroup uint bitmaps[8][256];
threadgroup short sh_alloc_failed;
threadgroup uint count[8][256];
threadgroup Alloc sh_chunk_alloc[256];
constant uint& v_81BufferSize = spvBufferSizeConstants[0];
uint my_partition = gl_WorkGroupID.x;
for (uint i = 0u; i < 8u; i++)
{
bitmaps[i][gl_LocalInvocationID.x] = 0u;
}
if (gl_LocalInvocationID.x == 0u)
{
sh_alloc_failed = short(false);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
uint element_ix = (my_partition * 256u) + gl_LocalInvocationID.x;
int x0 = 0;
int y0 = 0;
int x1 = 0;
int y1 = 0;
if (element_ix < v_156.conf.n_elements)
{
uint param = element_ix;
DrawMonoid draw_monoid = load_draw_monoid(param, v_81, v_81BufferSize, v_156);
uint path_ix = draw_monoid.path_ix;
float4 clip_bbox = float4(-1000000000.0, -1000000000.0, 1000000000.0, 1000000000.0);
uint clip_ix = draw_monoid.clip_ix;
if (clip_ix > 0u)
{
uint param_1 = clip_ix - 1u;
clip_bbox = load_clip_bbox(param_1, v_81, v_81BufferSize, v_156);
}
uint param_2 = path_ix;
float4 path_bbox = load_path_bbox(param_2, v_81, v_81BufferSize, v_156);
float4 param_3 = path_bbox;
float4 param_4 = clip_bbox;
float4 bbox = bbox_intersect(param_3, param_4);
float4 _417 = bbox;
float4 _419 = bbox;
float2 _421 = fast::max(_417.xy, _419.zw);
bbox.z = _421.x;
bbox.w = _421.y;
uint param_5 = element_ix;
float4 param_6 = bbox;
store_draw_bbox(param_5, param_6, v_81, v_81BufferSize, v_156);
x0 = int(floor(bbox.x * 0.00390625));
y0 = int(floor(bbox.y * 0.00390625));
x1 = int(ceil(bbox.z * 0.00390625));
y1 = int(ceil(bbox.w * 0.00390625));
}
uint width_in_bins = ((v_156.conf.width_in_tiles + 16u) - 1u) / 16u;
uint height_in_bins = ((v_156.conf.height_in_tiles + 16u) - 1u) / 16u;
x0 = clamp(x0, 0, int(width_in_bins));
x1 = clamp(x1, x0, int(width_in_bins));
y0 = clamp(y0, 0, int(height_in_bins));
y1 = clamp(y1, y0, int(height_in_bins));
if (x0 == x1)
{
y1 = y0;
}
int x = x0;
int y = y0;
uint my_slice = gl_LocalInvocationID.x / 32u;
uint my_mask = 1u << (gl_LocalInvocationID.x & 31u);
while (y < y1)
{
uint _523 = atomic_fetch_or_explicit((threadgroup atomic_uint*)&bitmaps[my_slice][(uint(y) * width_in_bins) + uint(x)], my_mask, memory_order_relaxed);
x++;
if (x == x1)
{
x = x0;
y++;
}
}
threadgroup_barrier(mem_flags::mem_threadgroup);
uint element_count = 0u;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
element_count += uint(int(popcount(bitmaps[i_1][gl_LocalInvocationID.x])));
count[i_1][gl_LocalInvocationID.x] = element_count;
}
uint param_7 = 0u;
uint param_8 = 0u;
bool param_9 = true;
Alloc chunk_alloc = new_alloc(param_7, param_8, param_9);
if (element_count != 0u)
{
uint param_10 = element_count * 4u;
MallocResult _573 = malloc(param_10, v_81, v_81BufferSize);
MallocResult chunk = _573;
chunk_alloc = chunk.alloc;
sh_chunk_alloc[gl_LocalInvocationID.x] = chunk_alloc;
if (chunk.failed)
{
sh_alloc_failed = short(true);
}
}
uint out_ix = (v_156.conf.bin_alloc.offset >> uint(2)) + (((my_partition * 256u) + gl_LocalInvocationID.x) * 2u);
Alloc param_11;
param_11.offset = v_156.conf.bin_alloc.offset;
uint param_12 = out_ix;
uint param_13 = element_count;
write_mem(param_11, param_12, param_13, v_81, v_81BufferSize);
Alloc param_14;
param_14.offset = v_156.conf.bin_alloc.offset;
uint param_15 = out_ix + 1u;
uint param_16 = chunk_alloc.offset;
write_mem(param_14, param_15, param_16, v_81, v_81BufferSize);
threadgroup_barrier(mem_flags::mem_threadgroup);
bool _630;
if (!bool(sh_alloc_failed))
{
_630 = v_81.mem_error != 0u;
}
else
{
_630 = bool(sh_alloc_failed);
}
if (_630)
{
return;
}
x = x0;
y = y0;
while (y < y1)
{
uint bin_ix = (uint(y) * width_in_bins) + uint(x);
uint out_mask = bitmaps[my_slice][bin_ix];
if ((out_mask & my_mask) != 0u)
{
uint idx = uint(int(popcount(out_mask & (my_mask - 1u))));
if (my_slice > 0u)
{
idx += count[my_slice - 1u][bin_ix];
}
Alloc out_alloc = sh_chunk_alloc[bin_ix];
uint out_offset = out_alloc.offset + (idx * 4u);
Alloc param_17 = out_alloc;
BinInstanceRef param_18 = BinInstanceRef{ out_offset };
BinInstance param_19 = BinInstance{ element_ix };
BinInstance_write(param_17, param_18, param_19, v_81, v_81BufferSize);
}
x++;
if (x == x1)
{
x = x0;
y++;
}
}
}

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piet-gpu/shader/gen/binning.spv generated
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BIN
piet-gpu/shader/gen/clip_leaf.dxil generated
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371
piet-gpu/shader/gen/clip_leaf.hlsl generated
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@ -1,371 +0,0 @@
struct Bic
{
uint a;
uint b;
};
struct ClipEl
{
uint parent_ix;
float4 bbox;
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
static const Bic _393 = { 0u, 0u };
ByteAddressBuffer _80 : register(t1, space0);
RWByteAddressBuffer _96 : register(u0, space0);
static uint3 gl_WorkGroupID;
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_WorkGroupID : SV_GroupID;
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared Bic sh_bic[510];
groupshared uint sh_stack[256];
groupshared float4 sh_stack_bbox[256];
groupshared uint sh_link[256];
groupshared float4 sh_bbox[256];
Bic load_bic(uint ix)
{
uint base = (_80.Load(52) >> uint(2)) + (2u * ix);
Bic _286 = { _96.Load(base * 4 + 8), _96.Load((base + 1u) * 4 + 8) };
return _286;
}
Bic bic_combine(Bic x, Bic y)
{
uint m = min(x.b, y.a);
Bic _72 = { (x.a + y.a) - m, (x.b + y.b) - m };
return _72;
}
ClipEl load_clip_el(uint ix)
{
uint base = (_80.Load(56) >> uint(2)) + (5u * ix);
uint parent_ix = _96.Load(base * 4 + 8);
float x0 = asfloat(_96.Load((base + 1u) * 4 + 8));
float y0 = asfloat(_96.Load((base + 2u) * 4 + 8));
float x1 = asfloat(_96.Load((base + 3u) * 4 + 8));
float y1 = asfloat(_96.Load((base + 4u) * 4 + 8));
float4 bbox = float4(x0, y0, x1, y1);
ClipEl _335 = { parent_ix, bbox };
return _335;
}
float4 bbox_intersect(float4 a, float4 b)
{
return float4(max(a.xy, b.xy), min(a.zw, b.zw));
}
uint load_path_ix(uint ix)
{
if (ix < _80.Load(80))
{
return _96.Load(((_80.Load(48) >> uint(2)) + ix) * 4 + 8);
}
else
{
return 2147483648u;
}
}
float4 load_path_bbox(uint path_ix)
{
uint base = (_80.Load(40) >> uint(2)) + (6u * path_ix);
float bbox_l = float(_96.Load(base * 4 + 8)) - 32768.0f;
float bbox_t = float(_96.Load((base + 1u) * 4 + 8)) - 32768.0f;
float bbox_r = float(_96.Load((base + 2u) * 4 + 8)) - 32768.0f;
float bbox_b = float(_96.Load((base + 3u) * 4 + 8)) - 32768.0f;
float4 bbox = float4(bbox_l, bbox_t, bbox_r, bbox_b);
return bbox;
}
uint search_link(inout Bic bic)
{
uint ix = gl_LocalInvocationID.x;
uint j = 0u;
while (j < 8u)
{
uint base = 512u - (2u << (8u - j));
if (((ix >> j) & 1u) != 0u)
{
Bic param = sh_bic[(base + (ix >> j)) - 1u];
Bic param_1 = bic;
Bic test = bic_combine(param, param_1);
if (test.b > 0u)
{
break;
}
bic = test;
ix -= (1u << j);
}
j++;
}
if (ix > 0u)
{
while (j > 0u)
{
j--;
uint base_1 = 512u - (2u << (8u - j));
Bic param_2 = sh_bic[(base_1 + (ix >> j)) - 1u];
Bic param_3 = bic;
Bic test_1 = bic_combine(param_2, param_3);
if (test_1.b == 0u)
{
bic = test_1;
ix -= (1u << j);
}
}
}
if (ix > 0u)
{
return ix - 1u;
}
else
{
return 4294967295u - bic.a;
}
}
void store_clip_bbox(uint ix, float4 bbox)
{
uint base = (_80.Load(60) >> uint(2)) + (4u * ix);
_96.Store(base * 4 + 8, asuint(bbox.x));
_96.Store((base + 1u) * 4 + 8, asuint(bbox.y));
_96.Store((base + 2u) * 4 + 8, asuint(bbox.z));
_96.Store((base + 3u) * 4 + 8, asuint(bbox.w));
}
void comp_main()
{
uint th = gl_LocalInvocationID.x;
Bic bic = _393;
if (th < gl_WorkGroupID.x)
{
uint param = th;
bic = load_bic(param);
}
sh_bic[th] = bic;
for (uint i = 0u; i < 8u; i++)
{
GroupMemoryBarrierWithGroupSync();
if ((th + (1u << i)) < 256u)
{
Bic other = sh_bic[th + (1u << i)];
Bic param_1 = bic;
Bic param_2 = other;
bic = bic_combine(param_1, param_2);
}
GroupMemoryBarrierWithGroupSync();
sh_bic[th] = bic;
}
GroupMemoryBarrierWithGroupSync();
uint stack_size = sh_bic[0].b;
uint sp = 255u - th;
uint ix = 0u;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
uint probe = ix + (128u >> i_1);
if (sp < sh_bic[probe].b)
{
ix = probe;
}
}
uint b = sh_bic[ix].b;
float4 bbox = float4(-1000000000.0f, -1000000000.0f, 1000000000.0f, 1000000000.0f);
if (sp < b)
{
uint param_3 = (((ix * 256u) + b) - sp) - 1u;
ClipEl el = load_clip_el(param_3);
sh_stack[th] = el.parent_ix;
bbox = el.bbox;
}
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
sh_stack_bbox[th] = bbox;
GroupMemoryBarrierWithGroupSync();
if (th >= (1u << i_2))
{
float4 param_4 = sh_stack_bbox[th - (1u << i_2)];
float4 param_5 = bbox;
bbox = bbox_intersect(param_4, param_5);
}
GroupMemoryBarrierWithGroupSync();
}
sh_stack_bbox[th] = bbox;
uint param_6 = gl_GlobalInvocationID.x;
uint inp = load_path_ix(param_6);
bool is_push = int(inp) >= 0;
Bic _559 = { 1u - uint(is_push), uint(is_push) };
bic = _559;
sh_bic[th] = bic;
if (is_push)
{
uint param_7 = inp;
bbox = load_path_bbox(param_7);
}
else
{
bbox = float4(-1000000000.0f, -1000000000.0f, 1000000000.0f, 1000000000.0f);
}
uint inbase = 0u;
for (uint i_3 = 0u; i_3 < 7u; i_3++)
{
uint outbase = 512u - (1u << (8u - i_3));
GroupMemoryBarrierWithGroupSync();
if (th < (1u << (7u - i_3)))
{
Bic param_8 = sh_bic[inbase + (th * 2u)];
Bic param_9 = sh_bic[(inbase + (th * 2u)) + 1u];
sh_bic[outbase + th] = bic_combine(param_8, param_9);
}
inbase = outbase;
}
GroupMemoryBarrierWithGroupSync();
bic = _393;
Bic param_10 = bic;
uint _618 = search_link(param_10);
bic = param_10;
uint link = _618;
sh_link[th] = link;
GroupMemoryBarrierWithGroupSync();
uint grandparent;
if (int(link) >= 0)
{
grandparent = sh_link[link];
}
else
{
grandparent = link - 1u;
}
uint parent;
if (int(link) >= 0)
{
parent = (gl_WorkGroupID.x * 256u) + link;
}
else
{
if (int(link + stack_size) >= 0)
{
parent = sh_stack[256u + link];
}
else
{
parent = 4294967295u;
}
}
for (uint i_4 = 0u; i_4 < 8u; i_4++)
{
if (i_4 != 0u)
{
sh_link[th] = link;
}
sh_bbox[th] = bbox;
GroupMemoryBarrierWithGroupSync();
if (int(link) >= 0)
{
float4 param_11 = sh_bbox[link];
float4 param_12 = bbox;
bbox = bbox_intersect(param_11, param_12);
link = sh_link[link];
}
GroupMemoryBarrierWithGroupSync();
}
if (int(link + stack_size) >= 0)
{
float4 param_13 = sh_stack_bbox[256u + link];
float4 param_14 = bbox;
bbox = bbox_intersect(param_13, param_14);
}
sh_bbox[th] = bbox;
GroupMemoryBarrierWithGroupSync();
uint path_ix = inp;
bool _717 = !is_push;
bool _725;
if (_717)
{
_725 = gl_GlobalInvocationID.x < _80.Load(80);
}
else
{
_725 = _717;
}
if (_725)
{
uint param_15 = parent;
path_ix = load_path_ix(param_15);
uint drawmonoid_out_base = (_80.Load(44) >> uint(2)) + (4u * (~inp));
_96.Store(drawmonoid_out_base * 4 + 8, path_ix);
if (int(grandparent) >= 0)
{
bbox = sh_bbox[grandparent];
}
else
{
if (int(grandparent + stack_size) >= 0)
{
bbox = sh_stack_bbox[256u + grandparent];
}
else
{
bbox = float4(-1000000000.0f, -1000000000.0f, 1000000000.0f, 1000000000.0f);
}
}
}
uint param_16 = gl_GlobalInvocationID.x;
float4 param_17 = bbox;
store_clip_bbox(param_16, param_17);
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_WorkGroupID = stage_input.gl_WorkGroupID;
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

370
piet-gpu/shader/gen/clip_leaf.msl generated
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@ -1,370 +0,0 @@
#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Bic
{
uint a;
uint b;
};
struct ClipEl
{
uint parent_ix;
float4 bbox;
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
Bic load_bic(thread const uint& ix, const device ConfigBuf& v_80, device Memory& v_96)
{
uint base = (v_80.conf.clip_bic_alloc.offset >> uint(2)) + (2u * ix);
return Bic{ v_96.memory[base], v_96.memory[base + 1u] };
}
static inline __attribute__((always_inline))
Bic bic_combine(thread const Bic& x, thread const Bic& y)
{
uint m = min(x.b, y.a);
return Bic{ (x.a + y.a) - m, (x.b + y.b) - m };
}
static inline __attribute__((always_inline))
ClipEl load_clip_el(thread const uint& ix, const device ConfigBuf& v_80, device Memory& v_96)
{
uint base = (v_80.conf.clip_stack_alloc.offset >> uint(2)) + (5u * ix);
uint parent_ix = v_96.memory[base];
float x0 = as_type<float>(v_96.memory[base + 1u]);
float y0 = as_type<float>(v_96.memory[base + 2u]);
float x1 = as_type<float>(v_96.memory[base + 3u]);
float y1 = as_type<float>(v_96.memory[base + 4u]);
float4 bbox = float4(x0, y0, x1, y1);
return ClipEl{ parent_ix, bbox };
}
static inline __attribute__((always_inline))
float4 bbox_intersect(thread const float4& a, thread const float4& b)
{
return float4(fast::max(a.xy, b.xy), fast::min(a.zw, b.zw));
}
static inline __attribute__((always_inline))
uint load_path_ix(thread const uint& ix, const device ConfigBuf& v_80, device Memory& v_96)
{
if (ix < v_80.conf.n_clip)
{
return v_96.memory[(v_80.conf.clip_alloc.offset >> uint(2)) + ix];
}
else
{
return 2147483648u;
}
}
static inline __attribute__((always_inline))
float4 load_path_bbox(thread const uint& path_ix, const device ConfigBuf& v_80, device Memory& v_96)
{
uint base = (v_80.conf.path_bbox_alloc.offset >> uint(2)) + (6u * path_ix);
float bbox_l = float(v_96.memory[base]) - 32768.0;
float bbox_t = float(v_96.memory[base + 1u]) - 32768.0;
float bbox_r = float(v_96.memory[base + 2u]) - 32768.0;
float bbox_b = float(v_96.memory[base + 3u]) - 32768.0;
float4 bbox = float4(bbox_l, bbox_t, bbox_r, bbox_b);
return bbox;
}
static inline __attribute__((always_inline))
uint search_link(thread Bic& bic, thread uint3& gl_LocalInvocationID, threadgroup Bic (&sh_bic)[510])
{
uint ix = gl_LocalInvocationID.x;
uint j = 0u;
while (j < 8u)
{
uint base = 512u - (2u << (8u - j));
if (((ix >> j) & 1u) != 0u)
{
Bic param = sh_bic[(base + (ix >> j)) - 1u];
Bic param_1 = bic;
Bic test = bic_combine(param, param_1);
if (test.b > 0u)
{
break;
}
bic = test;
ix -= (1u << j);
}
j++;
}
if (ix > 0u)
{
while (j > 0u)
{
j--;
uint base_1 = 512u - (2u << (8u - j));
Bic param_2 = sh_bic[(base_1 + (ix >> j)) - 1u];
Bic param_3 = bic;
Bic test_1 = bic_combine(param_2, param_3);
if (test_1.b == 0u)
{
bic = test_1;
ix -= (1u << j);
}
}
}
if (ix > 0u)
{
return ix - 1u;
}
else
{
return 4294967295u - bic.a;
}
}
static inline __attribute__((always_inline))
void store_clip_bbox(thread const uint& ix, thread const float4& bbox, const device ConfigBuf& v_80, device Memory& v_96)
{
uint base = (v_80.conf.clip_bbox_alloc.offset >> uint(2)) + (4u * ix);
v_96.memory[base] = as_type<uint>(bbox.x);
v_96.memory[base + 1u] = as_type<uint>(bbox.y);
v_96.memory[base + 2u] = as_type<uint>(bbox.z);
v_96.memory[base + 3u] = as_type<uint>(bbox.w);
}
kernel void main0(device Memory& v_96 [[buffer(0)]], const device ConfigBuf& v_80 [[buffer(1)]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]], uint3 gl_WorkGroupID [[threadgroup_position_in_grid]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
threadgroup Bic sh_bic[510];
threadgroup uint sh_stack[256];
threadgroup float4 sh_stack_bbox[256];
threadgroup uint sh_link[256];
threadgroup float4 sh_bbox[256];
uint th = gl_LocalInvocationID.x;
Bic bic = Bic{ 0u, 0u };
if (th < gl_WorkGroupID.x)
{
uint param = th;
bic = load_bic(param, v_80, v_96);
}
sh_bic[th] = bic;
for (uint i = 0u; i < 8u; i++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if ((th + (1u << i)) < 256u)
{
Bic other = sh_bic[th + (1u << i)];
Bic param_1 = bic;
Bic param_2 = other;
bic = bic_combine(param_1, param_2);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_bic[th] = bic;
}
threadgroup_barrier(mem_flags::mem_threadgroup);
uint stack_size = sh_bic[0].b;
uint sp = 255u - th;
uint ix = 0u;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
uint probe = ix + (128u >> i_1);
if (sp < sh_bic[probe].b)
{
ix = probe;
}
}
uint b = sh_bic[ix].b;
float4 bbox = float4(-1000000000.0, -1000000000.0, 1000000000.0, 1000000000.0);
if (sp < b)
{
uint param_3 = (((ix * 256u) + b) - sp) - 1u;
ClipEl el = load_clip_el(param_3, v_80, v_96);
sh_stack[th] = el.parent_ix;
bbox = el.bbox;
}
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
sh_stack_bbox[th] = bbox;
threadgroup_barrier(mem_flags::mem_threadgroup);
if (th >= (1u << i_2))
{
float4 param_4 = sh_stack_bbox[th - (1u << i_2)];
float4 param_5 = bbox;
bbox = bbox_intersect(param_4, param_5);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
}
sh_stack_bbox[th] = bbox;
uint param_6 = gl_GlobalInvocationID.x;
uint inp = load_path_ix(param_6, v_80, v_96);
bool is_push = int(inp) >= 0;
bic = Bic{ 1u - uint(is_push), uint(is_push) };
sh_bic[th] = bic;
if (is_push)
{
uint param_7 = inp;
bbox = load_path_bbox(param_7, v_80, v_96);
}
else
{
bbox = float4(-1000000000.0, -1000000000.0, 1000000000.0, 1000000000.0);
}
uint inbase = 0u;
for (uint i_3 = 0u; i_3 < 7u; i_3++)
{
uint outbase = 512u - (1u << (8u - i_3));
threadgroup_barrier(mem_flags::mem_threadgroup);
if (th < (1u << (7u - i_3)))
{
Bic param_8 = sh_bic[inbase + (th * 2u)];
Bic param_9 = sh_bic[(inbase + (th * 2u)) + 1u];
sh_bic[outbase + th] = bic_combine(param_8, param_9);
}
inbase = outbase;
}
threadgroup_barrier(mem_flags::mem_threadgroup);
bic = Bic{ 0u, 0u };
Bic param_10 = bic;
uint _618 = search_link(param_10, gl_LocalInvocationID, sh_bic);
bic = param_10;
uint link = _618;
sh_link[th] = link;
threadgroup_barrier(mem_flags::mem_threadgroup);
uint grandparent;
if (int(link) >= 0)
{
grandparent = sh_link[link];
}
else
{
grandparent = link - 1u;
}
uint parent;
if (int(link) >= 0)
{
parent = (gl_WorkGroupID.x * 256u) + link;
}
else
{
if (int(link + stack_size) >= 0)
{
parent = sh_stack[256u + link];
}
else
{
parent = 4294967295u;
}
}
for (uint i_4 = 0u; i_4 < 8u; i_4++)
{
if (i_4 != 0u)
{
sh_link[th] = link;
}
sh_bbox[th] = bbox;
threadgroup_barrier(mem_flags::mem_threadgroup);
if (int(link) >= 0)
{
float4 param_11 = sh_bbox[link];
float4 param_12 = bbox;
bbox = bbox_intersect(param_11, param_12);
link = sh_link[link];
}
threadgroup_barrier(mem_flags::mem_threadgroup);
}
if (int(link + stack_size) >= 0)
{
float4 param_13 = sh_stack_bbox[256u + link];
float4 param_14 = bbox;
bbox = bbox_intersect(param_13, param_14);
}
sh_bbox[th] = bbox;
threadgroup_barrier(mem_flags::mem_threadgroup);
uint path_ix = inp;
bool _717 = !is_push;
bool _725;
if (_717)
{
_725 = gl_GlobalInvocationID.x < v_80.conf.n_clip;
}
else
{
_725 = _717;
}
if (_725)
{
uint param_15 = parent;
path_ix = load_path_ix(param_15, v_80, v_96);
uint drawmonoid_out_base = (v_80.conf.drawmonoid_alloc.offset >> uint(2)) + (4u * (~inp));
v_96.memory[drawmonoid_out_base] = path_ix;
if (int(grandparent) >= 0)
{
bbox = sh_bbox[grandparent];
}
else
{
if (int(grandparent + stack_size) >= 0)
{
bbox = sh_stack_bbox[256u + grandparent];
}
else
{
bbox = float4(-1000000000.0, -1000000000.0, 1000000000.0, 1000000000.0);
}
}
}
uint param_16 = gl_GlobalInvocationID.x;
float4 param_17 = bbox;
store_clip_bbox(param_16, param_17, v_80, v_96);
}

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piet-gpu/shader/gen/clip_reduce.dxil generated
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piet-gpu/shader/gen/clip_reduce.hlsl generated
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struct Bic
{
uint a;
uint b;
};
struct ClipEl
{
uint parent_ix;
float4 bbox;
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
static const Bic _267 = { 0u, 0u };
ByteAddressBuffer _64 : register(t1, space0);
RWByteAddressBuffer _80 : register(u0, space0);
static uint3 gl_WorkGroupID;
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_WorkGroupID : SV_GroupID;
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared Bic sh_bic[256];
groupshared uint sh_parent[256];
groupshared uint sh_path_ix[256];
groupshared float4 sh_bbox[256];
Bic bic_combine(Bic x, Bic y)
{
uint m = min(x.b, y.a);
Bic _56 = { (x.a + y.a) - m, (x.b + y.b) - m };
return _56;
}
void store_bic(uint ix, Bic bic)
{
uint base = (_64.Load(52) >> uint(2)) + (2u * ix);
_80.Store(base * 4 + 8, bic.a);
_80.Store((base + 1u) * 4 + 8, bic.b);
}
float4 load_path_bbox(uint path_ix)
{
uint base = (_64.Load(40) >> uint(2)) + (6u * path_ix);
float bbox_l = float(_80.Load(base * 4 + 8)) - 32768.0f;
float bbox_t = float(_80.Load((base + 1u) * 4 + 8)) - 32768.0f;
float bbox_r = float(_80.Load((base + 2u) * 4 + 8)) - 32768.0f;
float bbox_b = float(_80.Load((base + 3u) * 4 + 8)) - 32768.0f;
float4 bbox = float4(bbox_l, bbox_t, bbox_r, bbox_b);
return bbox;
}
void store_clip_el(uint ix, ClipEl el)
{
uint base = (_64.Load(56) >> uint(2)) + (5u * ix);
_80.Store(base * 4 + 8, el.parent_ix);
_80.Store((base + 1u) * 4 + 8, asuint(el.bbox.x));
_80.Store((base + 2u) * 4 + 8, asuint(el.bbox.y));
_80.Store((base + 3u) * 4 + 8, asuint(el.bbox.z));
_80.Store((base + 4u) * 4 + 8, asuint(el.bbox.w));
}
void comp_main()
{
uint th = gl_LocalInvocationID.x;
uint inp = _80.Load(((_64.Load(48) >> uint(2)) + gl_GlobalInvocationID.x) * 4 + 8);
bool is_push = int(inp) >= 0;
Bic _207 = { 1u - uint(is_push), uint(is_push) };
Bic bic = _207;
sh_bic[gl_LocalInvocationID.x] = bic;
for (uint i = 0u; i < 8u; i++)
{
GroupMemoryBarrierWithGroupSync();
if ((th + (1u << i)) < 256u)
{
Bic other = sh_bic[gl_LocalInvocationID.x + (1u << i)];
Bic param = bic;
Bic param_1 = other;
bic = bic_combine(param, param_1);
}
GroupMemoryBarrierWithGroupSync();
sh_bic[th] = bic;
}
if (th == 0u)
{
uint param_2 = gl_WorkGroupID.x;
Bic param_3 = bic;
store_bic(param_2, param_3);
}
GroupMemoryBarrierWithGroupSync();
uint size = sh_bic[0].b;
bic = _267;
if ((th + 1u) < 256u)
{
bic = sh_bic[th + 1u];
}
bool _283;
if (is_push)
{
_283 = bic.a == 0u;
}
else
{
_283 = is_push;
}
if (_283)
{
uint local_ix = (size - bic.b) - 1u;
sh_parent[local_ix] = th;
sh_path_ix[local_ix] = inp;
}
GroupMemoryBarrierWithGroupSync();
float4 bbox;
if (th < size)
{
uint path_ix = sh_path_ix[th];
uint param_4 = path_ix;
bbox = load_path_bbox(param_4);
}
if (th < size)
{
uint parent_ix = sh_parent[th] + (gl_WorkGroupID.x * 256u);
ClipEl _331 = { parent_ix, bbox };
ClipEl el = _331;
uint param_5 = gl_GlobalInvocationID.x;
ClipEl param_6 = el;
store_clip_el(param_5, param_6);
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_WorkGroupID = stage_input.gl_WorkGroupID;
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

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#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Bic
{
uint a;
uint b;
};
struct ClipEl
{
uint parent_ix;
float4 bbox;
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
Bic bic_combine(thread const Bic& x, thread const Bic& y)
{
uint m = min(x.b, y.a);
return Bic{ (x.a + y.a) - m, (x.b + y.b) - m };
}
static inline __attribute__((always_inline))
void store_bic(thread const uint& ix, thread const Bic& bic, const device ConfigBuf& v_64, device Memory& v_80)
{
uint base = (v_64.conf.clip_bic_alloc.offset >> uint(2)) + (2u * ix);
v_80.memory[base] = bic.a;
v_80.memory[base + 1u] = bic.b;
}
static inline __attribute__((always_inline))
float4 load_path_bbox(thread const uint& path_ix, const device ConfigBuf& v_64, device Memory& v_80)
{
uint base = (v_64.conf.path_bbox_alloc.offset >> uint(2)) + (6u * path_ix);
float bbox_l = float(v_80.memory[base]) - 32768.0;
float bbox_t = float(v_80.memory[base + 1u]) - 32768.0;
float bbox_r = float(v_80.memory[base + 2u]) - 32768.0;
float bbox_b = float(v_80.memory[base + 3u]) - 32768.0;
float4 bbox = float4(bbox_l, bbox_t, bbox_r, bbox_b);
return bbox;
}
static inline __attribute__((always_inline))
void store_clip_el(thread const uint& ix, thread const ClipEl& el, const device ConfigBuf& v_64, device Memory& v_80)
{
uint base = (v_64.conf.clip_stack_alloc.offset >> uint(2)) + (5u * ix);
v_80.memory[base] = el.parent_ix;
v_80.memory[base + 1u] = as_type<uint>(el.bbox.x);
v_80.memory[base + 2u] = as_type<uint>(el.bbox.y);
v_80.memory[base + 3u] = as_type<uint>(el.bbox.z);
v_80.memory[base + 4u] = as_type<uint>(el.bbox.w);
}
kernel void main0(device Memory& v_80 [[buffer(0)]], const device ConfigBuf& v_64 [[buffer(1)]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_WorkGroupID [[threadgroup_position_in_grid]])
{
threadgroup Bic sh_bic[256];
threadgroup uint sh_parent[256];
threadgroup uint sh_path_ix[256];
threadgroup float4 sh_bbox[256];
uint th = gl_LocalInvocationID.x;
uint inp = v_80.memory[(v_64.conf.clip_alloc.offset >> uint(2)) + gl_GlobalInvocationID.x];
bool is_push = int(inp) >= 0;
Bic bic = Bic{ 1u - uint(is_push), uint(is_push) };
sh_bic[gl_LocalInvocationID.x] = bic;
for (uint i = 0u; i < 8u; i++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if ((th + (1u << i)) < 256u)
{
Bic other = sh_bic[gl_LocalInvocationID.x + (1u << i)];
Bic param = bic;
Bic param_1 = other;
bic = bic_combine(param, param_1);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_bic[th] = bic;
}
if (th == 0u)
{
uint param_2 = gl_WorkGroupID.x;
Bic param_3 = bic;
store_bic(param_2, param_3, v_64, v_80);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
uint size = sh_bic[0].b;
bic = Bic{ 0u, 0u };
if ((th + 1u) < 256u)
{
bic = sh_bic[th + 1u];
}
bool _283;
if (is_push)
{
_283 = bic.a == 0u;
}
else
{
_283 = is_push;
}
if (_283)
{
uint local_ix = (size - bic.b) - 1u;
sh_parent[local_ix] = th;
sh_path_ix[local_ix] = inp;
}
threadgroup_barrier(mem_flags::mem_threadgroup);
float4 bbox;
if (th < size)
{
uint path_ix = sh_path_ix[th];
uint param_4 = path_ix;
bbox = load_path_bbox(param_4, v_64, v_80);
}
if (th < size)
{
uint parent_ix = sh_parent[th] + (gl_WorkGroupID.x * 256u);
ClipEl el = ClipEl{ parent_ix, bbox };
uint param_5 = gl_GlobalInvocationID.x;
ClipEl param_6 = el;
store_clip_el(param_5, param_6, v_64, v_80);
}
}

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struct DrawMonoid
{
uint path_ix;
uint clip_ix;
uint scene_offset;
uint info_offset;
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
static const DrawMonoid _23 = { 0u, 0u, 0u, 0u };
ByteAddressBuffer _93 : register(t1, space0);
ByteAddressBuffer _103 : register(t2, space0);
ByteAddressBuffer _203 : register(t3, space0);
RWByteAddressBuffer _285 : register(u0, space0);
static uint3 gl_WorkGroupID;
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_WorkGroupID : SV_GroupID;
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared DrawMonoid sh_scratch[256];
DrawMonoid map_tag(uint tag_word)
{
uint has_path = uint(tag_word != 0u);
DrawMonoid _76 = { has_path, tag_word & 1u, tag_word & 28u, (tag_word >> uint(4)) & 60u };
return _76;
}
DrawMonoid combine_draw_monoid(DrawMonoid a, DrawMonoid b)
{
DrawMonoid c;
c.path_ix = a.path_ix + b.path_ix;
c.clip_ix = a.clip_ix + b.clip_ix;
c.scene_offset = a.scene_offset + b.scene_offset;
c.info_offset = a.info_offset + b.info_offset;
return c;
}
DrawMonoid draw_monoid_identity()
{
return _23;
}
void comp_main()
{
uint ix = gl_GlobalInvocationID.x * 8u;
uint drawtag_base = _93.Load(100) >> uint(2);
uint tag_word = _103.Load((drawtag_base + ix) * 4 + 0);
uint param = tag_word;
DrawMonoid agg = map_tag(param);
DrawMonoid local[8];
local[0] = agg;
for (uint i = 1u; i < 8u; i++)
{
tag_word = _103.Load(((drawtag_base + ix) + i) * 4 + 0);
uint param_1 = tag_word;
DrawMonoid param_2 = agg;
DrawMonoid param_3 = map_tag(param_1);
agg = combine_draw_monoid(param_2, param_3);
local[i] = agg;
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
GroupMemoryBarrierWithGroupSync();
if (gl_LocalInvocationID.x >= (1u << i_1))
{
DrawMonoid other = sh_scratch[gl_LocalInvocationID.x - (1u << i_1)];
DrawMonoid param_4 = other;
DrawMonoid param_5 = agg;
agg = combine_draw_monoid(param_4, param_5);
}
GroupMemoryBarrierWithGroupSync();
sh_scratch[gl_LocalInvocationID.x] = agg;
}
GroupMemoryBarrierWithGroupSync();
DrawMonoid row = draw_monoid_identity();
if (gl_WorkGroupID.x > 0u)
{
DrawMonoid _209;
_209.path_ix = _203.Load((gl_WorkGroupID.x - 1u) * 16 + 0);
_209.clip_ix = _203.Load((gl_WorkGroupID.x - 1u) * 16 + 4);
_209.scene_offset = _203.Load((gl_WorkGroupID.x - 1u) * 16 + 8);
_209.info_offset = _203.Load((gl_WorkGroupID.x - 1u) * 16 + 12);
row.path_ix = _209.path_ix;
row.clip_ix = _209.clip_ix;
row.scene_offset = _209.scene_offset;
row.info_offset = _209.info_offset;
}
if (gl_LocalInvocationID.x > 0u)
{
DrawMonoid param_6 = row;
DrawMonoid param_7 = sh_scratch[gl_LocalInvocationID.x - 1u];
row = combine_draw_monoid(param_6, param_7);
}
uint drawdata_base = _93.Load(104) >> uint(2);
uint drawinfo_base = _93.Load(68) >> uint(2);
uint out_ix = gl_GlobalInvocationID.x * 8u;
uint out_base = (_93.Load(44) >> uint(2)) + (out_ix * 4u);
uint clip_out_base = _93.Load(48) >> uint(2);
float4 mat;
float2 translate;
float2 p0;
float2 p1;
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
DrawMonoid m = row;
if (i_2 > 0u)
{
DrawMonoid param_8 = m;
DrawMonoid param_9 = local[i_2 - 1u];
m = combine_draw_monoid(param_8, param_9);
}
_285.Store((out_base + (i_2 * 4u)) * 4 + 8, m.path_ix);
_285.Store(((out_base + (i_2 * 4u)) + 1u) * 4 + 8, m.clip_ix);
_285.Store(((out_base + (i_2 * 4u)) + 2u) * 4 + 8, m.scene_offset);
_285.Store(((out_base + (i_2 * 4u)) + 3u) * 4 + 8, m.info_offset);
uint dd = drawdata_base + (m.scene_offset >> uint(2));
uint di = drawinfo_base + (m.info_offset >> uint(2));
tag_word = _103.Load(((drawtag_base + ix) + i_2) * 4 + 0);
if (((((tag_word == 68u) || (tag_word == 276u)) || (tag_word == 732u)) || (tag_word == 72u)) || (tag_word == 5u))
{
uint bbox_offset = (_93.Load(40) >> uint(2)) + (6u * m.path_ix);
float bbox_l = float(_285.Load(bbox_offset * 4 + 8)) - 32768.0f;
float bbox_t = float(_285.Load((bbox_offset + 1u) * 4 + 8)) - 32768.0f;
float bbox_r = float(_285.Load((bbox_offset + 2u) * 4 + 8)) - 32768.0f;
float bbox_b = float(_285.Load((bbox_offset + 3u) * 4 + 8)) - 32768.0f;
float4 bbox = float4(bbox_l, bbox_t, bbox_r, bbox_b);
float linewidth = asfloat(_285.Load((bbox_offset + 4u) * 4 + 8));
uint fill_mode = uint(linewidth >= 0.0f);
if (((linewidth >= 0.0f) || (tag_word == 276u)) || (tag_word == 732u))
{
uint trans_ix = _285.Load((bbox_offset + 5u) * 4 + 8);
uint t = (_93.Load(36) >> uint(2)) + (6u * trans_ix);
mat = asfloat(uint4(_285.Load(t * 4 + 8), _285.Load((t + 1u) * 4 + 8), _285.Load((t + 2u) * 4 + 8), _285.Load((t + 3u) * 4 + 8)));
if ((tag_word == 276u) || (tag_word == 732u))
{
translate = asfloat(uint2(_285.Load((t + 4u) * 4 + 8), _285.Load((t + 5u) * 4 + 8)));
}
}
if (linewidth >= 0.0f)
{
linewidth *= sqrt(abs((mat.x * mat.w) - (mat.y * mat.z)));
}
switch (tag_word)
{
case 68u:
case 72u:
{
_285.Store(di * 4 + 8, asuint(linewidth));
break;
}
case 276u:
{
_285.Store(di * 4 + 8, asuint(linewidth));
p0 = asfloat(uint2(_103.Load((dd + 1u) * 4 + 0), _103.Load((dd + 2u) * 4 + 0)));
p1 = asfloat(uint2(_103.Load((dd + 3u) * 4 + 0), _103.Load((dd + 4u) * 4 + 0)));
p0 = ((mat.xy * p0.x) + (mat.zw * p0.y)) + translate;
p1 = ((mat.xy * p1.x) + (mat.zw * p1.y)) + translate;
float2 dxy = p1 - p0;
float scale = 1.0f / ((dxy.x * dxy.x) + (dxy.y * dxy.y));
float line_x = dxy.x * scale;
float line_y = dxy.y * scale;
float line_c = -((p0.x * line_x) + (p0.y * line_y));
_285.Store((di + 1u) * 4 + 8, asuint(line_x));
_285.Store((di + 2u) * 4 + 8, asuint(line_y));
_285.Store((di + 3u) * 4 + 8, asuint(line_c));
break;
}
case 732u:
{
p0 = asfloat(uint2(_103.Load((dd + 1u) * 4 + 0), _103.Load((dd + 2u) * 4 + 0)));
p1 = asfloat(uint2(_103.Load((dd + 3u) * 4 + 0), _103.Load((dd + 4u) * 4 + 0)));
float r0 = asfloat(_103.Load((dd + 5u) * 4 + 0));
float r1 = asfloat(_103.Load((dd + 6u) * 4 + 0));
float inv_det = 1.0f / ((mat.x * mat.w) - (mat.y * mat.z));
float4 inv_mat = float4(mat.w, -mat.y, -mat.z, mat.x) * inv_det;
float2 inv_tr = (inv_mat.xz * translate.x) + (inv_mat.yw * translate.y);
inv_tr += p0;
float2 center1 = p1 - p0;
float rr = r1 / (r1 - r0);
float rainv = rr / ((r1 * r1) - dot(center1, center1));
float2 c1 = center1 * rainv;
float ra = rr * rainv;
float roff = rr - 1.0f;
_285.Store(di * 4 + 8, asuint(linewidth));
_285.Store((di + 1u) * 4 + 8, asuint(inv_mat.x));
_285.Store((di + 2u) * 4 + 8, asuint(inv_mat.y));
_285.Store((di + 3u) * 4 + 8, asuint(inv_mat.z));
_285.Store((di + 4u) * 4 + 8, asuint(inv_mat.w));
_285.Store((di + 5u) * 4 + 8, asuint(inv_tr.x));
_285.Store((di + 6u) * 4 + 8, asuint(inv_tr.y));
_285.Store((di + 7u) * 4 + 8, asuint(c1.x));
_285.Store((di + 8u) * 4 + 8, asuint(c1.y));
_285.Store((di + 9u) * 4 + 8, asuint(ra));
_285.Store((di + 10u) * 4 + 8, asuint(roff));
break;
}
case 5u:
{
break;
}
}
}
if ((tag_word == 5u) || (tag_word == 37u))
{
uint path_ix = ~(out_ix + i_2);
if (tag_word == 5u)
{
path_ix = m.path_ix;
}
_285.Store((clip_out_base + m.clip_ix) * 4 + 8, path_ix);
}
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_WorkGroupID = stage_input.gl_WorkGroupID;
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

316
piet-gpu/shader/gen/draw_leaf.msl generated
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@ -1,316 +0,0 @@
#pragma clang diagnostic ignored "-Wmissing-prototypes"
#pragma clang diagnostic ignored "-Wmissing-braces"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
template<typename T, size_t Num>
struct spvUnsafeArray
{
T elements[Num ? Num : 1];
thread T& operator [] (size_t pos) thread
{
return elements[pos];
}
constexpr const thread T& operator [] (size_t pos) const thread
{
return elements[pos];
}
device T& operator [] (size_t pos) device
{
return elements[pos];
}
constexpr const device T& operator [] (size_t pos) const device
{
return elements[pos];
}
constexpr const constant T& operator [] (size_t pos) const constant
{
return elements[pos];
}
threadgroup T& operator [] (size_t pos) threadgroup
{
return elements[pos];
}
constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
{
return elements[pos];
}
};
struct DrawMonoid
{
uint path_ix;
uint clip_ix;
uint scene_offset;
uint info_offset;
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
struct SceneBuf
{
uint scene[1];
};
struct DrawMonoid_1
{
uint path_ix;
uint clip_ix;
uint scene_offset;
uint info_offset;
};
struct ParentBuf
{
DrawMonoid_1 parent[1];
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
DrawMonoid map_tag(thread const uint& tag_word)
{
uint has_path = uint(tag_word != 0u);
return DrawMonoid{ has_path, tag_word & 1u, tag_word & 28u, (tag_word >> uint(4)) & 60u };
}
static inline __attribute__((always_inline))
DrawMonoid combine_draw_monoid(thread const DrawMonoid& a, thread const DrawMonoid& b)
{
DrawMonoid c;
c.path_ix = a.path_ix + b.path_ix;
c.clip_ix = a.clip_ix + b.clip_ix;
c.scene_offset = a.scene_offset + b.scene_offset;
c.info_offset = a.info_offset + b.info_offset;
return c;
}
static inline __attribute__((always_inline))
DrawMonoid draw_monoid_identity()
{
return DrawMonoid{ 0u, 0u, 0u, 0u };
}
kernel void main0(device Memory& _285 [[buffer(0)]], const device ConfigBuf& _93 [[buffer(1)]], const device SceneBuf& _103 [[buffer(2)]], const device ParentBuf& _203 [[buffer(3)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]], uint3 gl_WorkGroupID [[threadgroup_position_in_grid]])
{
threadgroup DrawMonoid sh_scratch[256];
uint ix = gl_GlobalInvocationID.x * 8u;
uint drawtag_base = _93.conf.drawtag_offset >> uint(2);
uint tag_word = _103.scene[drawtag_base + ix];
uint param = tag_word;
DrawMonoid agg = map_tag(param);
spvUnsafeArray<DrawMonoid, 8> local;
local[0] = agg;
for (uint i = 1u; i < 8u; i++)
{
tag_word = _103.scene[(drawtag_base + ix) + i];
uint param_1 = tag_word;
DrawMonoid param_2 = agg;
DrawMonoid param_3 = map_tag(param_1);
agg = combine_draw_monoid(param_2, param_3);
local[i] = agg;
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if (gl_LocalInvocationID.x >= (1u << i_1))
{
DrawMonoid other = sh_scratch[gl_LocalInvocationID.x - (1u << i_1)];
DrawMonoid param_4 = other;
DrawMonoid param_5 = agg;
agg = combine_draw_monoid(param_4, param_5);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_scratch[gl_LocalInvocationID.x] = agg;
}
threadgroup_barrier(mem_flags::mem_threadgroup);
DrawMonoid row = draw_monoid_identity();
if (gl_WorkGroupID.x > 0u)
{
uint _206 = gl_WorkGroupID.x - 1u;
row.path_ix = _203.parent[_206].path_ix;
row.clip_ix = _203.parent[_206].clip_ix;
row.scene_offset = _203.parent[_206].scene_offset;
row.info_offset = _203.parent[_206].info_offset;
}
if (gl_LocalInvocationID.x > 0u)
{
DrawMonoid param_6 = row;
DrawMonoid param_7 = sh_scratch[gl_LocalInvocationID.x - 1u];
row = combine_draw_monoid(param_6, param_7);
}
uint drawdata_base = _93.conf.drawdata_offset >> uint(2);
uint drawinfo_base = _93.conf.drawinfo_alloc.offset >> uint(2);
uint out_ix = gl_GlobalInvocationID.x * 8u;
uint out_base = (_93.conf.drawmonoid_alloc.offset >> uint(2)) + (out_ix * 4u);
uint clip_out_base = _93.conf.clip_alloc.offset >> uint(2);
float4 mat;
float2 translate;
float2 p0;
float2 p1;
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
DrawMonoid m = row;
if (i_2 > 0u)
{
DrawMonoid param_8 = m;
DrawMonoid param_9 = local[i_2 - 1u];
m = combine_draw_monoid(param_8, param_9);
}
_285.memory[out_base + (i_2 * 4u)] = m.path_ix;
_285.memory[(out_base + (i_2 * 4u)) + 1u] = m.clip_ix;
_285.memory[(out_base + (i_2 * 4u)) + 2u] = m.scene_offset;
_285.memory[(out_base + (i_2 * 4u)) + 3u] = m.info_offset;
uint dd = drawdata_base + (m.scene_offset >> uint(2));
uint di = drawinfo_base + (m.info_offset >> uint(2));
tag_word = _103.scene[(drawtag_base + ix) + i_2];
if (((((tag_word == 68u) || (tag_word == 276u)) || (tag_word == 732u)) || (tag_word == 72u)) || (tag_word == 5u))
{
uint bbox_offset = (_93.conf.path_bbox_alloc.offset >> uint(2)) + (6u * m.path_ix);
float bbox_l = float(_285.memory[bbox_offset]) - 32768.0;
float bbox_t = float(_285.memory[bbox_offset + 1u]) - 32768.0;
float bbox_r = float(_285.memory[bbox_offset + 2u]) - 32768.0;
float bbox_b = float(_285.memory[bbox_offset + 3u]) - 32768.0;
float4 bbox = float4(bbox_l, bbox_t, bbox_r, bbox_b);
float linewidth = as_type<float>(_285.memory[bbox_offset + 4u]);
uint fill_mode = uint(linewidth >= 0.0);
if (((linewidth >= 0.0) || (tag_word == 276u)) || (tag_word == 732u))
{
uint trans_ix = _285.memory[bbox_offset + 5u];
uint t = (_93.conf.trans_alloc.offset >> uint(2)) + (6u * trans_ix);
mat = as_type<float4>(uint4(_285.memory[t], _285.memory[t + 1u], _285.memory[t + 2u], _285.memory[t + 3u]));
if ((tag_word == 276u) || (tag_word == 732u))
{
translate = as_type<float2>(uint2(_285.memory[t + 4u], _285.memory[t + 5u]));
}
}
if (linewidth >= 0.0)
{
linewidth *= sqrt(abs((mat.x * mat.w) - (mat.y * mat.z)));
}
switch (tag_word)
{
case 68u:
case 72u:
{
_285.memory[di] = as_type<uint>(linewidth);
break;
}
case 276u:
{
_285.memory[di] = as_type<uint>(linewidth);
p0 = as_type<float2>(uint2(_103.scene[dd + 1u], _103.scene[dd + 2u]));
p1 = as_type<float2>(uint2(_103.scene[dd + 3u], _103.scene[dd + 4u]));
p0 = ((mat.xy * p0.x) + (mat.zw * p0.y)) + translate;
p1 = ((mat.xy * p1.x) + (mat.zw * p1.y)) + translate;
float2 dxy = p1 - p0;
float scale = 1.0 / ((dxy.x * dxy.x) + (dxy.y * dxy.y));
float line_x = dxy.x * scale;
float line_y = dxy.y * scale;
float line_c = -((p0.x * line_x) + (p0.y * line_y));
_285.memory[di + 1u] = as_type<uint>(line_x);
_285.memory[di + 2u] = as_type<uint>(line_y);
_285.memory[di + 3u] = as_type<uint>(line_c);
break;
}
case 732u:
{
p0 = as_type<float2>(uint2(_103.scene[dd + 1u], _103.scene[dd + 2u]));
p1 = as_type<float2>(uint2(_103.scene[dd + 3u], _103.scene[dd + 4u]));
float r0 = as_type<float>(_103.scene[dd + 5u]);
float r1 = as_type<float>(_103.scene[dd + 6u]);
float inv_det = 1.0 / ((mat.x * mat.w) - (mat.y * mat.z));
float4 inv_mat = float4(mat.w, -mat.y, -mat.z, mat.x) * inv_det;
float2 inv_tr = (inv_mat.xz * translate.x) + (inv_mat.yw * translate.y);
inv_tr += p0;
float2 center1 = p1 - p0;
float rr = r1 / (r1 - r0);
float rainv = rr / ((r1 * r1) - dot(center1, center1));
float2 c1 = center1 * rainv;
float ra = rr * rainv;
float roff = rr - 1.0;
_285.memory[di] = as_type<uint>(linewidth);
_285.memory[di + 1u] = as_type<uint>(inv_mat.x);
_285.memory[di + 2u] = as_type<uint>(inv_mat.y);
_285.memory[di + 3u] = as_type<uint>(inv_mat.z);
_285.memory[di + 4u] = as_type<uint>(inv_mat.w);
_285.memory[di + 5u] = as_type<uint>(inv_tr.x);
_285.memory[di + 6u] = as_type<uint>(inv_tr.y);
_285.memory[di + 7u] = as_type<uint>(c1.x);
_285.memory[di + 8u] = as_type<uint>(c1.y);
_285.memory[di + 9u] = as_type<uint>(ra);
_285.memory[di + 10u] = as_type<uint>(roff);
break;
}
case 5u:
{
break;
}
}
}
if ((tag_word == 5u) || (tag_word == 37u))
{
uint path_ix = ~(out_ix + i_2);
if (tag_word == 5u)
{
path_ix = m.path_ix;
}
_285.memory[clip_out_base + m.clip_ix] = path_ix;
}
}
}

BIN
piet-gpu/shader/gen/draw_leaf.spv generated
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BIN
piet-gpu/shader/gen/draw_reduce.dxil generated
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126
piet-gpu/shader/gen/draw_reduce.hlsl generated
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@ -1,126 +0,0 @@
struct DrawMonoid
{
uint path_ix;
uint clip_ix;
uint scene_offset;
uint info_offset;
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
ByteAddressBuffer _87 : register(t1, space0);
ByteAddressBuffer _97 : register(t2, space0);
RWByteAddressBuffer _188 : register(u3, space0);
RWByteAddressBuffer _206 : register(u0, space0);
static uint3 gl_WorkGroupID;
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_WorkGroupID : SV_GroupID;
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared DrawMonoid sh_scratch[256];
DrawMonoid map_tag(uint tag_word)
{
uint has_path = uint(tag_word != 0u);
DrawMonoid _70 = { has_path, tag_word & 1u, tag_word & 28u, (tag_word >> uint(4)) & 60u };
return _70;
}
DrawMonoid combine_draw_monoid(DrawMonoid a, DrawMonoid b)
{
DrawMonoid c;
c.path_ix = a.path_ix + b.path_ix;
c.clip_ix = a.clip_ix + b.clip_ix;
c.scene_offset = a.scene_offset + b.scene_offset;
c.info_offset = a.info_offset + b.info_offset;
return c;
}
void comp_main()
{
uint ix = gl_GlobalInvocationID.x * 8u;
uint drawtag_base = _87.Load(100) >> uint(2);
uint tag_word = _97.Load((drawtag_base + ix) * 4 + 0);
uint param = tag_word;
DrawMonoid agg = map_tag(param);
for (uint i = 1u; i < 8u; i++)
{
uint tag_word_1 = _97.Load(((drawtag_base + ix) + i) * 4 + 0);
uint param_1 = tag_word_1;
DrawMonoid param_2 = agg;
DrawMonoid param_3 = map_tag(param_1);
agg = combine_draw_monoid(param_2, param_3);
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
GroupMemoryBarrierWithGroupSync();
if ((gl_LocalInvocationID.x + (1u << i_1)) < 256u)
{
DrawMonoid other = sh_scratch[gl_LocalInvocationID.x + (1u << i_1)];
DrawMonoid param_4 = agg;
DrawMonoid param_5 = other;
agg = combine_draw_monoid(param_4, param_5);
}
GroupMemoryBarrierWithGroupSync();
sh_scratch[gl_LocalInvocationID.x] = agg;
}
if (gl_LocalInvocationID.x == 0u)
{
_188.Store(gl_WorkGroupID.x * 16 + 0, agg.path_ix);
_188.Store(gl_WorkGroupID.x * 16 + 4, agg.clip_ix);
_188.Store(gl_WorkGroupID.x * 16 + 8, agg.scene_offset);
_188.Store(gl_WorkGroupID.x * 16 + 12, agg.info_offset);
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_WorkGroupID = stage_input.gl_WorkGroupID;
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

140
piet-gpu/shader/gen/draw_reduce.msl generated
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@ -1,140 +0,0 @@
#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct DrawMonoid
{
uint path_ix;
uint clip_ix;
uint scene_offset;
uint info_offset;
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
struct SceneBuf
{
uint scene[1];
};
struct DrawMonoid_1
{
uint path_ix;
uint clip_ix;
uint scene_offset;
uint info_offset;
};
struct OutBuf
{
DrawMonoid_1 outbuf[1];
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
DrawMonoid map_tag(thread const uint& tag_word)
{
uint has_path = uint(tag_word != 0u);
return DrawMonoid{ has_path, tag_word & 1u, tag_word & 28u, (tag_word >> uint(4)) & 60u };
}
static inline __attribute__((always_inline))
DrawMonoid combine_draw_monoid(thread const DrawMonoid& a, thread const DrawMonoid& b)
{
DrawMonoid c;
c.path_ix = a.path_ix + b.path_ix;
c.clip_ix = a.clip_ix + b.clip_ix;
c.scene_offset = a.scene_offset + b.scene_offset;
c.info_offset = a.info_offset + b.info_offset;
return c;
}
kernel void main0(const device ConfigBuf& _87 [[buffer(1)]], const device SceneBuf& _97 [[buffer(2)]], device OutBuf& _188 [[buffer(3)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]], uint3 gl_WorkGroupID [[threadgroup_position_in_grid]])
{
threadgroup DrawMonoid sh_scratch[256];
uint ix = gl_GlobalInvocationID.x * 8u;
uint drawtag_base = _87.conf.drawtag_offset >> uint(2);
uint tag_word = _97.scene[drawtag_base + ix];
uint param = tag_word;
DrawMonoid agg = map_tag(param);
for (uint i = 1u; i < 8u; i++)
{
uint tag_word_1 = _97.scene[(drawtag_base + ix) + i];
uint param_1 = tag_word_1;
DrawMonoid param_2 = agg;
DrawMonoid param_3 = map_tag(param_1);
agg = combine_draw_monoid(param_2, param_3);
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if ((gl_LocalInvocationID.x + (1u << i_1)) < 256u)
{
DrawMonoid other = sh_scratch[gl_LocalInvocationID.x + (1u << i_1)];
DrawMonoid param_4 = agg;
DrawMonoid param_5 = other;
agg = combine_draw_monoid(param_4, param_5);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_scratch[gl_LocalInvocationID.x] = agg;
}
if (gl_LocalInvocationID.x == 0u)
{
_188.outbuf[gl_WorkGroupID.x].path_ix = agg.path_ix;
_188.outbuf[gl_WorkGroupID.x].clip_ix = agg.clip_ix;
_188.outbuf[gl_WorkGroupID.x].scene_offset = agg.scene_offset;
_188.outbuf[gl_WorkGroupID.x].info_offset = agg.info_offset;
}
}

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struct DrawMonoid
{
uint path_ix;
uint clip_ix;
uint scene_offset;
uint info_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
static const DrawMonoid _18 = { 0u, 0u, 0u, 0u };
RWByteAddressBuffer _71 : register(u0, space0);
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared DrawMonoid sh_scratch[256];
DrawMonoid combine_draw_monoid(DrawMonoid a, DrawMonoid b)
{
DrawMonoid c;
c.path_ix = a.path_ix + b.path_ix;
c.clip_ix = a.clip_ix + b.clip_ix;
c.scene_offset = a.scene_offset + b.scene_offset;
c.info_offset = a.info_offset + b.info_offset;
return c;
}
DrawMonoid draw_monoid_identity()
{
return _18;
}
void comp_main()
{
uint ix = gl_GlobalInvocationID.x * 8u;
DrawMonoid _75;
_75.path_ix = _71.Load(ix * 16 + 0);
_75.clip_ix = _71.Load(ix * 16 + 4);
_75.scene_offset = _71.Load(ix * 16 + 8);
_75.info_offset = _71.Load(ix * 16 + 12);
DrawMonoid local[8];
local[0].path_ix = _75.path_ix;
local[0].clip_ix = _75.clip_ix;
local[0].scene_offset = _75.scene_offset;
local[0].info_offset = _75.info_offset;
DrawMonoid param_1;
for (uint i = 1u; i < 8u; i++)
{
DrawMonoid param = local[i - 1u];
DrawMonoid _106;
_106.path_ix = _71.Load((ix + i) * 16 + 0);
_106.clip_ix = _71.Load((ix + i) * 16 + 4);
_106.scene_offset = _71.Load((ix + i) * 16 + 8);
_106.info_offset = _71.Load((ix + i) * 16 + 12);
param_1.path_ix = _106.path_ix;
param_1.clip_ix = _106.clip_ix;
param_1.scene_offset = _106.scene_offset;
param_1.info_offset = _106.info_offset;
local[i] = combine_draw_monoid(param, param_1);
}
DrawMonoid agg = local[7];
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
GroupMemoryBarrierWithGroupSync();
if (gl_LocalInvocationID.x >= (1u << i_1))
{
DrawMonoid other = sh_scratch[gl_LocalInvocationID.x - (1u << i_1)];
DrawMonoid param_2 = other;
DrawMonoid param_3 = agg;
agg = combine_draw_monoid(param_2, param_3);
}
GroupMemoryBarrierWithGroupSync();
sh_scratch[gl_LocalInvocationID.x] = agg;
}
GroupMemoryBarrierWithGroupSync();
DrawMonoid row = draw_monoid_identity();
if (gl_LocalInvocationID.x > 0u)
{
row = sh_scratch[gl_LocalInvocationID.x - 1u];
}
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
DrawMonoid param_4 = row;
DrawMonoid param_5 = local[i_2];
DrawMonoid m = combine_draw_monoid(param_4, param_5);
uint _199 = ix + i_2;
_71.Store(_199 * 16 + 0, m.path_ix);
_71.Store(_199 * 16 + 4, m.clip_ix);
_71.Store(_199 * 16 + 8, m.scene_offset);
_71.Store(_199 * 16 + 12, m.info_offset);
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

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#pragma clang diagnostic ignored "-Wmissing-prototypes"
#pragma clang diagnostic ignored "-Wmissing-braces"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
template<typename T, size_t Num>
struct spvUnsafeArray
{
T elements[Num ? Num : 1];
thread T& operator [] (size_t pos) thread
{
return elements[pos];
}
constexpr const thread T& operator [] (size_t pos) const thread
{
return elements[pos];
}
device T& operator [] (size_t pos) device
{
return elements[pos];
}
constexpr const device T& operator [] (size_t pos) const device
{
return elements[pos];
}
constexpr const constant T& operator [] (size_t pos) const constant
{
return elements[pos];
}
threadgroup T& operator [] (size_t pos) threadgroup
{
return elements[pos];
}
constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
{
return elements[pos];
}
};
struct DrawMonoid
{
uint path_ix;
uint clip_ix;
uint scene_offset;
uint info_offset;
};
struct DrawMonoid_1
{
uint path_ix;
uint clip_ix;
uint scene_offset;
uint info_offset;
};
struct DataBuf
{
DrawMonoid_1 data[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
DrawMonoid combine_draw_monoid(thread const DrawMonoid& a, thread const DrawMonoid& b)
{
DrawMonoid c;
c.path_ix = a.path_ix + b.path_ix;
c.clip_ix = a.clip_ix + b.clip_ix;
c.scene_offset = a.scene_offset + b.scene_offset;
c.info_offset = a.info_offset + b.info_offset;
return c;
}
static inline __attribute__((always_inline))
DrawMonoid draw_monoid_identity()
{
return DrawMonoid{ 0u, 0u, 0u, 0u };
}
kernel void main0(device DataBuf& _71 [[buffer(0)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]])
{
threadgroup DrawMonoid sh_scratch[256];
uint ix = gl_GlobalInvocationID.x * 8u;
spvUnsafeArray<DrawMonoid, 8> local;
local[0].path_ix = _71.data[ix].path_ix;
local[0].clip_ix = _71.data[ix].clip_ix;
local[0].scene_offset = _71.data[ix].scene_offset;
local[0].info_offset = _71.data[ix].info_offset;
DrawMonoid param_1;
for (uint i = 1u; i < 8u; i++)
{
uint _100 = ix + i;
DrawMonoid param = local[i - 1u];
param_1.path_ix = _71.data[_100].path_ix;
param_1.clip_ix = _71.data[_100].clip_ix;
param_1.scene_offset = _71.data[_100].scene_offset;
param_1.info_offset = _71.data[_100].info_offset;
local[i] = combine_draw_monoid(param, param_1);
}
DrawMonoid agg = local[7];
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if (gl_LocalInvocationID.x >= (1u << i_1))
{
DrawMonoid other = sh_scratch[gl_LocalInvocationID.x - (1u << i_1)];
DrawMonoid param_2 = other;
DrawMonoid param_3 = agg;
agg = combine_draw_monoid(param_2, param_3);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_scratch[gl_LocalInvocationID.x] = agg;
}
threadgroup_barrier(mem_flags::mem_threadgroup);
DrawMonoid row = draw_monoid_identity();
if (gl_LocalInvocationID.x > 0u)
{
row = sh_scratch[gl_LocalInvocationID.x - 1u];
}
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
DrawMonoid param_4 = row;
DrawMonoid param_5 = local[i_2];
DrawMonoid m = combine_draw_monoid(param_4, param_5);
uint _199 = ix + i_2;
_71.data[_199].path_ix = m.path_ix;
_71.data[_199].clip_ix = m.clip_ix;
_71.data[_199].scene_offset = m.scene_offset;
_71.data[_199].info_offset = m.info_offset;
}
}

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struct Alloc
{
uint offset;
};
struct MallocResult
{
Alloc alloc;
bool failed;
};
struct PathCubicRef
{
uint offset;
};
struct PathCubic
{
float2 p0;
float2 p1;
float2 p2;
float2 p3;
uint path_ix;
uint trans_ix;
float2 stroke;
};
struct PathSegRef
{
uint offset;
};
struct PathSegTag
{
uint tag;
uint flags;
};
struct TileRef
{
uint offset;
};
struct PathRef
{
uint offset;
};
struct Path
{
uint4 bbox;
TileRef tiles;
};
struct TileSegRef
{
uint offset;
};
struct TileSeg
{
float2 origin;
float2 _vector;
float y_edge;
TileSegRef next;
};
struct SubdivResult
{
float val;
float a0;
float a2;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(32u, 1u, 1u);
static const PathSegTag _721 = { 0u, 0u };
RWByteAddressBuffer _136 : register(u0, space0);
ByteAddressBuffer _710 : register(t1, space0);
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
bool touch_mem(Alloc alloc, uint offset)
{
return true;
}
uint read_mem(Alloc alloc, uint offset)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return 0u;
}
uint v = _136.Load(offset * 4 + 8);
return v;
}
PathSegTag PathSeg_tag(Alloc a, PathSegRef ref)
{
Alloc param = a;
uint param_1 = ref.offset >> uint(2);
uint tag_and_flags = read_mem(param, param_1);
PathSegTag _367 = { tag_and_flags & 65535u, tag_and_flags >> uint(16) };
return _367;
}
PathCubic PathCubic_read(Alloc a, PathCubicRef ref)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint raw0 = read_mem(param, param_1);
Alloc param_2 = a;
uint param_3 = ix + 1u;
uint raw1 = read_mem(param_2, param_3);
Alloc param_4 = a;
uint param_5 = ix + 2u;
uint raw2 = read_mem(param_4, param_5);
Alloc param_6 = a;
uint param_7 = ix + 3u;
uint raw3 = read_mem(param_6, param_7);
Alloc param_8 = a;
uint param_9 = ix + 4u;
uint raw4 = read_mem(param_8, param_9);
Alloc param_10 = a;
uint param_11 = ix + 5u;
uint raw5 = read_mem(param_10, param_11);
Alloc param_12 = a;
uint param_13 = ix + 6u;
uint raw6 = read_mem(param_12, param_13);
Alloc param_14 = a;
uint param_15 = ix + 7u;
uint raw7 = read_mem(param_14, param_15);
Alloc param_16 = a;
uint param_17 = ix + 8u;
uint raw8 = read_mem(param_16, param_17);
Alloc param_18 = a;
uint param_19 = ix + 9u;
uint raw9 = read_mem(param_18, param_19);
Alloc param_20 = a;
uint param_21 = ix + 10u;
uint raw10 = read_mem(param_20, param_21);
Alloc param_22 = a;
uint param_23 = ix + 11u;
uint raw11 = read_mem(param_22, param_23);
PathCubic s;
s.p0 = float2(asfloat(raw0), asfloat(raw1));
s.p1 = float2(asfloat(raw2), asfloat(raw3));
s.p2 = float2(asfloat(raw4), asfloat(raw5));
s.p3 = float2(asfloat(raw6), asfloat(raw7));
s.path_ix = raw8;
s.trans_ix = raw9;
s.stroke = float2(asfloat(raw10), asfloat(raw11));
return s;
}
PathCubic PathSeg_Cubic_read(Alloc a, PathSegRef ref)
{
PathCubicRef _373 = { ref.offset + 4u };
Alloc param = a;
PathCubicRef param_1 = _373;
return PathCubic_read(param, param_1);
}
float2 eval_cubic(float2 p0, float2 p1, float2 p2, float2 p3, float t)
{
float mt = 1.0f - t;
return (p0 * ((mt * mt) * mt)) + (((p1 * ((mt * mt) * 3.0f)) + (((p2 * (mt * 3.0f)) + (p3 * t)) * t)) * t);
}
float approx_parabola_integral(float x)
{
return x * rsqrt(sqrt(0.3300000131130218505859375f + (0.201511204242706298828125f + ((0.25f * x) * x))));
}
SubdivResult estimate_subdiv(float2 p0, float2 p1, float2 p2, float sqrt_tol)
{
float2 d01 = p1 - p0;
float2 d12 = p2 - p1;
float2 dd = d01 - d12;
float _cross = ((p2.x - p0.x) * dd.y) - ((p2.y - p0.y) * dd.x);
float x0 = ((d01.x * dd.x) + (d01.y * dd.y)) / _cross;
float x2 = ((d12.x * dd.x) + (d12.y * dd.y)) / _cross;
float scale = abs(_cross / (length(dd) * (x2 - x0)));
float param = x0;
float a0 = approx_parabola_integral(param);
float param_1 = x2;
float a2 = approx_parabola_integral(param_1);
float val = 0.0f;
if (scale < 1000000000.0f)
{
float da = abs(a2 - a0);
float sqrt_scale = sqrt(scale);
if (sign(x0) == sign(x2))
{
val = da * sqrt_scale;
}
else
{
float xmin = sqrt_tol / sqrt_scale;
float param_2 = xmin;
val = (sqrt_tol * da) / approx_parabola_integral(param_2);
}
}
SubdivResult _695 = { val, a0, a2 };
return _695;
}
uint fill_mode_from_flags(uint flags)
{
return flags & 1u;
}
Path Path_read(Alloc a, PathRef ref)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint raw0 = read_mem(param, param_1);
Alloc param_2 = a;
uint param_3 = ix + 1u;
uint raw1 = read_mem(param_2, param_3);
Alloc param_4 = a;
uint param_5 = ix + 2u;
uint raw2 = read_mem(param_4, param_5);
Path s;
s.bbox = uint4(raw0 & 65535u, raw0 >> uint(16), raw1 & 65535u, raw1 >> uint(16));
TileRef _427 = { raw2 };
s.tiles = _427;
return s;
}
Alloc new_alloc(uint offset, uint size, bool mem_ok)
{
Alloc a;
a.offset = offset;
return a;
}
float approx_parabola_inv_integral(float x)
{
return x * sqrt(0.61000001430511474609375f + (0.1520999968051910400390625f + ((0.25f * x) * x)));
}
float2 eval_quad(float2 p0, float2 p1, float2 p2, float t)
{
float mt = 1.0f - t;
return (p0 * (mt * mt)) + (((p1 * (mt * 2.0f)) + (p2 * t)) * t);
}
MallocResult malloc(uint size)
{
uint _142;
_136.InterlockedAdd(0, size, _142);
uint offset = _142;
uint _149;
_136.GetDimensions(_149);
_149 = (_149 - 8) / 4;
MallocResult r;
r.failed = (offset + size) > uint(int(_149) * 4);
uint param = offset;
uint param_1 = size;
bool param_2 = !r.failed;
r.alloc = new_alloc(param, param_1, param_2);
if (r.failed)
{
uint _171;
_136.InterlockedMax(4, 1u, _171);
return r;
}
return r;
}
TileRef Tile_index(TileRef ref, uint index)
{
TileRef _385 = { ref.offset + (index * 8u) };
return _385;
}
void write_mem(Alloc alloc, uint offset, uint val)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
_136.Store(offset * 4 + 8, val);
}
void TileSeg_write(Alloc a, TileSegRef ref, TileSeg s)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint param_2 = asuint(s.origin.x);
write_mem(param, param_1, param_2);
Alloc param_3 = a;
uint param_4 = ix + 1u;
uint param_5 = asuint(s.origin.y);
write_mem(param_3, param_4, param_5);
Alloc param_6 = a;
uint param_7 = ix + 2u;
uint param_8 = asuint(s._vector.x);
write_mem(param_6, param_7, param_8);
Alloc param_9 = a;
uint param_10 = ix + 3u;
uint param_11 = asuint(s._vector.y);
write_mem(param_9, param_10, param_11);
Alloc param_12 = a;
uint param_13 = ix + 4u;
uint param_14 = asuint(s.y_edge);
write_mem(param_12, param_13, param_14);
Alloc param_15 = a;
uint param_16 = ix + 5u;
uint param_17 = s.next.offset;
write_mem(param_15, param_16, param_17);
}
void comp_main()
{
uint element_ix = gl_GlobalInvocationID.x;
PathSegRef _718 = { _710.Load(28) + (element_ix * 52u) };
PathSegRef ref = _718;
PathSegTag tag = _721;
if (element_ix < _710.Load(4))
{
Alloc _731;
_731.offset = _710.Load(28);
Alloc param;
param.offset = _731.offset;
PathSegRef param_1 = ref;
tag = PathSeg_tag(param, param_1);
}
bool mem_ok = _136.Load(4) == 0u;
switch (tag.tag)
{
case 1u:
{
Alloc _748;
_748.offset = _710.Load(28);
Alloc param_2;
param_2.offset = _748.offset;
PathSegRef param_3 = ref;
PathCubic cubic = PathSeg_Cubic_read(param_2, param_3);
float2 err_v = (((cubic.p2 - cubic.p1) * 3.0f) + cubic.p0) - cubic.p3;
float err = (err_v.x * err_v.x) + (err_v.y * err_v.y);
uint n_quads = max(uint(ceil(pow(err * 3.7037036418914794921875f, 0.16666667163372039794921875f))), 1u);
n_quads = min(n_quads, 16u);
float val = 0.0f;
float2 qp0 = cubic.p0;
float _step = 1.0f / float(n_quads);
SubdivResult keep_params[16];
for (uint i = 0u; i < n_quads; i++)
{
float t = float(i + 1u) * _step;
float2 param_4 = cubic.p0;
float2 param_5 = cubic.p1;
float2 param_6 = cubic.p2;
float2 param_7 = cubic.p3;
float param_8 = t;
float2 qp2 = eval_cubic(param_4, param_5, param_6, param_7, param_8);
float2 param_9 = cubic.p0;
float2 param_10 = cubic.p1;
float2 param_11 = cubic.p2;
float2 param_12 = cubic.p3;
float param_13 = t - (0.5f * _step);
float2 qp1 = eval_cubic(param_9, param_10, param_11, param_12, param_13);
qp1 = (qp1 * 2.0f) - ((qp0 + qp2) * 0.5f);
float2 param_14 = qp0;
float2 param_15 = qp1;
float2 param_16 = qp2;
float param_17 = 0.4743416607379913330078125f;
SubdivResult params = estimate_subdiv(param_14, param_15, param_16, param_17);
keep_params[i] = params;
val += params.val;
qp0 = qp2;
}
uint n = max(uint(ceil((val * 0.5f) / 0.4743416607379913330078125f)), 1u);
uint param_18 = tag.flags;
bool is_stroke = fill_mode_from_flags(param_18) == 1u;
uint path_ix = cubic.path_ix;
PathRef _904 = { _710.Load(16) + (path_ix * 12u) };
Alloc _907;
_907.offset = _710.Load(16);
Alloc param_19;
param_19.offset = _907.offset;
PathRef param_20 = _904;
Path path = Path_read(param_19, param_20);
uint param_21 = path.tiles.offset;
uint param_22 = ((path.bbox.z - path.bbox.x) * (path.bbox.w - path.bbox.y)) * 8u;
bool param_23 = mem_ok;
Alloc path_alloc = new_alloc(param_21, param_22, param_23);
int4 bbox = int4(path.bbox);
float2 p0 = cubic.p0;
qp0 = cubic.p0;
float v_step = val / float(n);
int n_out = 1;
float val_sum = 0.0f;
float2 p1;
float _1147;
TileSeg tile_seg;
for (uint i_1 = 0u; i_1 < n_quads; i_1++)
{
float t_1 = float(i_1 + 1u) * _step;
float2 param_24 = cubic.p0;
float2 param_25 = cubic.p1;
float2 param_26 = cubic.p2;
float2 param_27 = cubic.p3;
float param_28 = t_1;
float2 qp2_1 = eval_cubic(param_24, param_25, param_26, param_27, param_28);
float2 param_29 = cubic.p0;
float2 param_30 = cubic.p1;
float2 param_31 = cubic.p2;
float2 param_32 = cubic.p3;
float param_33 = t_1 - (0.5f * _step);
float2 qp1_1 = eval_cubic(param_29, param_30, param_31, param_32, param_33);
qp1_1 = (qp1_1 * 2.0f) - ((qp0 + qp2_1) * 0.5f);
SubdivResult params_1 = keep_params[i_1];
float param_34 = params_1.a0;
float u0 = approx_parabola_inv_integral(param_34);
float param_35 = params_1.a2;
float u2 = approx_parabola_inv_integral(param_35);
float uscale = 1.0f / (u2 - u0);
float target = float(n_out) * v_step;
for (;;)
{
bool _1040 = uint(n_out) == n;
bool _1050;
if (!_1040)
{
_1050 = target < (val_sum + params_1.val);
}
else
{
_1050 = _1040;
}
if (_1050)
{
if (uint(n_out) == n)
{
p1 = cubic.p3;
}
else
{
float u = (target - val_sum) / params_1.val;
float a = lerp(params_1.a0, params_1.a2, u);
float param_36 = a;
float au = approx_parabola_inv_integral(param_36);
float t_2 = (au - u0) * uscale;
float2 param_37 = qp0;
float2 param_38 = qp1_1;
float2 param_39 = qp2_1;
float param_40 = t_2;
p1 = eval_quad(param_37, param_38, param_39, param_40);
}
float xmin = min(p0.x, p1.x) - cubic.stroke.x;
float xmax = max(p0.x, p1.x) + cubic.stroke.x;
float ymin = min(p0.y, p1.y) - cubic.stroke.y;
float ymax = max(p0.y, p1.y) + cubic.stroke.y;
float dx = p1.x - p0.x;
float dy = p1.y - p0.y;
if (abs(dy) < 9.999999717180685365747194737196e-10f)
{
_1147 = 1000000000.0f;
}
else
{
_1147 = dx / dy;
}
float invslope = _1147;
float c = (cubic.stroke.x + (abs(invslope) * (8.0f + cubic.stroke.y))) * 0.0625f;
float b = invslope;
float a_1 = (p0.x - ((p0.y - 8.0f) * b)) * 0.0625f;
int x0 = int(floor(xmin * 0.0625f));
int x1 = int(floor(xmax * 0.0625f) + 1.0f);
int y0 = int(floor(ymin * 0.0625f));
int y1 = int(floor(ymax * 0.0625f) + 1.0f);
x0 = clamp(x0, bbox.x, bbox.z);
y0 = clamp(y0, bbox.y, bbox.w);
x1 = clamp(x1, bbox.x, bbox.z);
y1 = clamp(y1, bbox.y, bbox.w);
float xc = a_1 + (b * float(y0));
int stride = bbox.z - bbox.x;
int base = ((y0 - bbox.y) * stride) - bbox.x;
uint n_tile_alloc = uint((x1 - x0) * (y1 - y0));
uint param_41 = n_tile_alloc * 24u;
MallocResult _1263 = malloc(param_41);
MallocResult tile_alloc = _1263;
if (tile_alloc.failed || (!mem_ok))
{
return;
}
uint tile_offset = tile_alloc.alloc.offset;
int xray = int(floor(p0.x * 0.0625f));
int last_xray = int(floor(p1.x * 0.0625f));
if (p0.y > p1.y)
{
int tmp = xray;
xray = last_xray;
last_xray = tmp;
}
for (int y = y0; y < y1; y++)
{
float tile_y0 = float(y * 16);
int xbackdrop = max((xray + 1), bbox.x);
bool _1319 = !is_stroke;
bool _1329;
if (_1319)
{
_1329 = min(p0.y, p1.y) < tile_y0;
}
else
{
_1329 = _1319;
}
bool _1336;
if (_1329)
{
_1336 = xbackdrop < bbox.z;
}
else
{
_1336 = _1329;
}
if (_1336)
{
int backdrop = (p1.y < p0.y) ? 1 : (-1);
TileRef param_42 = path.tiles;
uint param_43 = uint(base + xbackdrop);
TileRef tile_ref = Tile_index(param_42, param_43);
uint tile_el = tile_ref.offset >> uint(2);
Alloc param_44 = path_alloc;
uint param_45 = tile_el + 1u;
if (touch_mem(param_44, param_45))
{
uint _1374;
_136.InterlockedAdd((tile_el + 1u) * 4 + 8, uint(backdrop), _1374);
}
}
int next_xray = last_xray;
if (y < (y1 - 1))
{
float tile_y1 = float((y + 1) * 16);
float x_edge = lerp(p0.x, p1.x, (tile_y1 - p0.y) / dy);
next_xray = int(floor(x_edge * 0.0625f));
}
int min_xray = min(xray, next_xray);
int max_xray = max(xray, next_xray);
int xx0 = min(int(floor(xc - c)), min_xray);
int xx1 = max(int(ceil(xc + c)), (max_xray + 1));
xx0 = clamp(xx0, x0, x1);
xx1 = clamp(xx1, x0, x1);
for (int x = xx0; x < xx1; x++)
{
float tile_x0 = float(x * 16);
TileRef _1454 = { path.tiles.offset };
TileRef param_46 = _1454;
uint param_47 = uint(base + x);
TileRef tile_ref_1 = Tile_index(param_46, param_47);
uint tile_el_1 = tile_ref_1.offset >> uint(2);
uint old = 0u;
Alloc param_48 = path_alloc;
uint param_49 = tile_el_1;
if (touch_mem(param_48, param_49))
{
uint _1477;
_136.InterlockedExchange(tile_el_1 * 4 + 8, tile_offset, _1477);
old = _1477;
}
tile_seg.origin = p0;
tile_seg._vector = p1 - p0;
float y_edge = 0.0f;
if (!is_stroke)
{
y_edge = lerp(p0.y, p1.y, (tile_x0 - p0.x) / dx);
if (min(p0.x, p1.x) < tile_x0)
{
float2 p = float2(tile_x0, y_edge);
if (p0.x > p1.x)
{
tile_seg._vector = p - p0;
}
else
{
tile_seg.origin = p;
tile_seg._vector = p1 - p;
}
if (tile_seg._vector.x == 0.0f)
{
tile_seg._vector.x = sign(p1.x - p0.x) * 9.999999717180685365747194737196e-10f;
}
}
if ((x <= min_xray) || (max_xray < x))
{
y_edge = 1000000000.0f;
}
}
tile_seg.y_edge = y_edge;
tile_seg.next.offset = old;
TileSegRef _1559 = { tile_offset };
Alloc param_50 = tile_alloc.alloc;
TileSegRef param_51 = _1559;
TileSeg param_52 = tile_seg;
TileSeg_write(param_50, param_51, param_52);
tile_offset += 24u;
}
xc += b;
base += stride;
xray = next_xray;
}
n_out++;
target += v_step;
p0 = p1;
continue;
}
else
{
break;
}
}
val_sum += params_1.val;
qp0 = qp2_1;
}
break;
}
}
}
[numthreads(32, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

717
piet-gpu/shader/gen/path_coarse.msl generated
View file

@ -1,717 +0,0 @@
#pragma clang diagnostic ignored "-Wmissing-prototypes"
#pragma clang diagnostic ignored "-Wmissing-braces"
#pragma clang diagnostic ignored "-Wunused-variable"
#include <metal_stdlib>
#include <simd/simd.h>
#include <metal_atomic>
using namespace metal;
template<typename T, size_t Num>
struct spvUnsafeArray
{
T elements[Num ? Num : 1];
thread T& operator [] (size_t pos) thread
{
return elements[pos];
}
constexpr const thread T& operator [] (size_t pos) const thread
{
return elements[pos];
}
device T& operator [] (size_t pos) device
{
return elements[pos];
}
constexpr const device T& operator [] (size_t pos) const device
{
return elements[pos];
}
constexpr const constant T& operator [] (size_t pos) const constant
{
return elements[pos];
}
threadgroup T& operator [] (size_t pos) threadgroup
{
return elements[pos];
}
constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
{
return elements[pos];
}
};
struct Alloc
{
uint offset;
};
struct MallocResult
{
Alloc alloc;
bool failed;
};
struct PathCubicRef
{
uint offset;
};
struct PathCubic
{
float2 p0;
float2 p1;
float2 p2;
float2 p3;
uint path_ix;
uint trans_ix;
float2 stroke;
};
struct PathSegRef
{
uint offset;
};
struct PathSegTag
{
uint tag;
uint flags;
};
struct TileRef
{
uint offset;
};
struct PathRef
{
uint offset;
};
struct Path
{
uint4 bbox;
TileRef tiles;
};
struct TileSegRef
{
uint offset;
};
struct TileSeg
{
float2 origin;
float2 vector;
float y_edge;
TileSegRef next;
};
struct SubdivResult
{
float val;
float a0;
float a2;
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
struct Alloc_1
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc_1 tile_alloc;
Alloc_1 bin_alloc;
Alloc_1 ptcl_alloc;
Alloc_1 pathseg_alloc;
Alloc_1 anno_alloc;
Alloc_1 trans_alloc;
Alloc_1 path_bbox_alloc;
Alloc_1 drawmonoid_alloc;
Alloc_1 clip_alloc;
Alloc_1 clip_bic_alloc;
Alloc_1 clip_stack_alloc;
Alloc_1 clip_bbox_alloc;
Alloc_1 draw_bbox_alloc;
Alloc_1 drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(32u, 1u, 1u);
static inline __attribute__((always_inline))
bool touch_mem(thread const Alloc& alloc, thread const uint& offset)
{
return true;
}
static inline __attribute__((always_inline))
uint read_mem(thread const Alloc& alloc, thread const uint& offset, device Memory& v_136, constant uint& v_136BufferSize)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return 0u;
}
uint v = v_136.memory[offset];
return v;
}
static inline __attribute__((always_inline))
PathSegTag PathSeg_tag(thread const Alloc& a, thread const PathSegRef& ref, device Memory& v_136, constant uint& v_136BufferSize)
{
Alloc param = a;
uint param_1 = ref.offset >> uint(2);
uint tag_and_flags = read_mem(param, param_1, v_136, v_136BufferSize);
return PathSegTag{ tag_and_flags & 65535u, tag_and_flags >> uint(16) };
}
static inline __attribute__((always_inline))
PathCubic PathCubic_read(thread const Alloc& a, thread const PathCubicRef& ref, device Memory& v_136, constant uint& v_136BufferSize)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint raw0 = read_mem(param, param_1, v_136, v_136BufferSize);
Alloc param_2 = a;
uint param_3 = ix + 1u;
uint raw1 = read_mem(param_2, param_3, v_136, v_136BufferSize);
Alloc param_4 = a;
uint param_5 = ix + 2u;
uint raw2 = read_mem(param_4, param_5, v_136, v_136BufferSize);
Alloc param_6 = a;
uint param_7 = ix + 3u;
uint raw3 = read_mem(param_6, param_7, v_136, v_136BufferSize);
Alloc param_8 = a;
uint param_9 = ix + 4u;
uint raw4 = read_mem(param_8, param_9, v_136, v_136BufferSize);
Alloc param_10 = a;
uint param_11 = ix + 5u;
uint raw5 = read_mem(param_10, param_11, v_136, v_136BufferSize);
Alloc param_12 = a;
uint param_13 = ix + 6u;
uint raw6 = read_mem(param_12, param_13, v_136, v_136BufferSize);
Alloc param_14 = a;
uint param_15 = ix + 7u;
uint raw7 = read_mem(param_14, param_15, v_136, v_136BufferSize);
Alloc param_16 = a;
uint param_17 = ix + 8u;
uint raw8 = read_mem(param_16, param_17, v_136, v_136BufferSize);
Alloc param_18 = a;
uint param_19 = ix + 9u;
uint raw9 = read_mem(param_18, param_19, v_136, v_136BufferSize);
Alloc param_20 = a;
uint param_21 = ix + 10u;
uint raw10 = read_mem(param_20, param_21, v_136, v_136BufferSize);
Alloc param_22 = a;
uint param_23 = ix + 11u;
uint raw11 = read_mem(param_22, param_23, v_136, v_136BufferSize);
PathCubic s;
s.p0 = float2(as_type<float>(raw0), as_type<float>(raw1));
s.p1 = float2(as_type<float>(raw2), as_type<float>(raw3));
s.p2 = float2(as_type<float>(raw4), as_type<float>(raw5));
s.p3 = float2(as_type<float>(raw6), as_type<float>(raw7));
s.path_ix = raw8;
s.trans_ix = raw9;
s.stroke = float2(as_type<float>(raw10), as_type<float>(raw11));
return s;
}
static inline __attribute__((always_inline))
PathCubic PathSeg_Cubic_read(thread const Alloc& a, thread const PathSegRef& ref, device Memory& v_136, constant uint& v_136BufferSize)
{
Alloc param = a;
PathCubicRef param_1 = PathCubicRef{ ref.offset + 4u };
return PathCubic_read(param, param_1, v_136, v_136BufferSize);
}
static inline __attribute__((always_inline))
float2 eval_cubic(thread const float2& p0, thread const float2& p1, thread const float2& p2, thread const float2& p3, thread const float& t)
{
float mt = 1.0 - t;
return (p0 * ((mt * mt) * mt)) + (((p1 * ((mt * mt) * 3.0)) + (((p2 * (mt * 3.0)) + (p3 * t)) * t)) * t);
}
static inline __attribute__((always_inline))
float approx_parabola_integral(thread const float& x)
{
return x * rsqrt(sqrt(0.3300000131130218505859375 + (0.201511204242706298828125 + ((0.25 * x) * x))));
}
static inline __attribute__((always_inline))
SubdivResult estimate_subdiv(thread const float2& p0, thread const float2& p1, thread const float2& p2, thread const float& sqrt_tol)
{
float2 d01 = p1 - p0;
float2 d12 = p2 - p1;
float2 dd = d01 - d12;
float _cross = ((p2.x - p0.x) * dd.y) - ((p2.y - p0.y) * dd.x);
float x0 = ((d01.x * dd.x) + (d01.y * dd.y)) / _cross;
float x2 = ((d12.x * dd.x) + (d12.y * dd.y)) / _cross;
float scale = abs(_cross / (length(dd) * (x2 - x0)));
float param = x0;
float a0 = approx_parabola_integral(param);
float param_1 = x2;
float a2 = approx_parabola_integral(param_1);
float val = 0.0;
if (scale < 1000000000.0)
{
float da = abs(a2 - a0);
float sqrt_scale = sqrt(scale);
if (sign(x0) == sign(x2))
{
val = da * sqrt_scale;
}
else
{
float xmin = sqrt_tol / sqrt_scale;
float param_2 = xmin;
val = (sqrt_tol * da) / approx_parabola_integral(param_2);
}
}
return SubdivResult{ val, a0, a2 };
}
static inline __attribute__((always_inline))
uint fill_mode_from_flags(thread const uint& flags)
{
return flags & 1u;
}
static inline __attribute__((always_inline))
Path Path_read(thread const Alloc& a, thread const PathRef& ref, device Memory& v_136, constant uint& v_136BufferSize)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint raw0 = read_mem(param, param_1, v_136, v_136BufferSize);
Alloc param_2 = a;
uint param_3 = ix + 1u;
uint raw1 = read_mem(param_2, param_3, v_136, v_136BufferSize);
Alloc param_4 = a;
uint param_5 = ix + 2u;
uint raw2 = read_mem(param_4, param_5, v_136, v_136BufferSize);
Path s;
s.bbox = uint4(raw0 & 65535u, raw0 >> uint(16), raw1 & 65535u, raw1 >> uint(16));
s.tiles = TileRef{ raw2 };
return s;
}
static inline __attribute__((always_inline))
Alloc new_alloc(thread const uint& offset, thread const uint& size, thread const bool& mem_ok)
{
Alloc a;
a.offset = offset;
return a;
}
static inline __attribute__((always_inline))
float approx_parabola_inv_integral(thread const float& x)
{
return x * sqrt(0.61000001430511474609375 + (0.1520999968051910400390625 + ((0.25 * x) * x)));
}
static inline __attribute__((always_inline))
float2 eval_quad(thread const float2& p0, thread const float2& p1, thread const float2& p2, thread const float& t)
{
float mt = 1.0 - t;
return (p0 * (mt * mt)) + (((p1 * (mt * 2.0)) + (p2 * t)) * t);
}
static inline __attribute__((always_inline))
MallocResult malloc(thread const uint& size, device Memory& v_136, constant uint& v_136BufferSize)
{
uint _142 = atomic_fetch_add_explicit((device atomic_uint*)&v_136.mem_offset, size, memory_order_relaxed);
uint offset = _142;
MallocResult r;
r.failed = (offset + size) > uint(int((v_136BufferSize - 8) / 4) * 4);
uint param = offset;
uint param_1 = size;
bool param_2 = !r.failed;
r.alloc = new_alloc(param, param_1, param_2);
if (r.failed)
{
uint _171 = atomic_fetch_max_explicit((device atomic_uint*)&v_136.mem_error, 1u, memory_order_relaxed);
return r;
}
return r;
}
static inline __attribute__((always_inline))
TileRef Tile_index(thread const TileRef& ref, thread const uint& index)
{
return TileRef{ ref.offset + (index * 8u) };
}
static inline __attribute__((always_inline))
void write_mem(thread const Alloc& alloc, thread const uint& offset, thread const uint& val, device Memory& v_136, constant uint& v_136BufferSize)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
v_136.memory[offset] = val;
}
static inline __attribute__((always_inline))
void TileSeg_write(thread const Alloc& a, thread const TileSegRef& ref, thread const TileSeg& s, device Memory& v_136, constant uint& v_136BufferSize)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint param_2 = as_type<uint>(s.origin.x);
write_mem(param, param_1, param_2, v_136, v_136BufferSize);
Alloc param_3 = a;
uint param_4 = ix + 1u;
uint param_5 = as_type<uint>(s.origin.y);
write_mem(param_3, param_4, param_5, v_136, v_136BufferSize);
Alloc param_6 = a;
uint param_7 = ix + 2u;
uint param_8 = as_type<uint>(s.vector.x);
write_mem(param_6, param_7, param_8, v_136, v_136BufferSize);
Alloc param_9 = a;
uint param_10 = ix + 3u;
uint param_11 = as_type<uint>(s.vector.y);
write_mem(param_9, param_10, param_11, v_136, v_136BufferSize);
Alloc param_12 = a;
uint param_13 = ix + 4u;
uint param_14 = as_type<uint>(s.y_edge);
write_mem(param_12, param_13, param_14, v_136, v_136BufferSize);
Alloc param_15 = a;
uint param_16 = ix + 5u;
uint param_17 = s.next.offset;
write_mem(param_15, param_16, param_17, v_136, v_136BufferSize);
}
kernel void main0(constant uint* spvBufferSizeConstants [[buffer(25)]], device Memory& v_136 [[buffer(0)]], const device ConfigBuf& _710 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
constant uint& v_136BufferSize = spvBufferSizeConstants[0];
uint element_ix = gl_GlobalInvocationID.x;
PathSegRef ref = PathSegRef{ _710.conf.pathseg_alloc.offset + (element_ix * 52u) };
PathSegTag tag = PathSegTag{ 0u, 0u };
if (element_ix < _710.conf.n_pathseg)
{
Alloc param;
param.offset = _710.conf.pathseg_alloc.offset;
PathSegRef param_1 = ref;
tag = PathSeg_tag(param, param_1, v_136, v_136BufferSize);
}
bool mem_ok = v_136.mem_error == 0u;
switch (tag.tag)
{
case 1u:
{
Alloc param_2;
param_2.offset = _710.conf.pathseg_alloc.offset;
PathSegRef param_3 = ref;
PathCubic cubic = PathSeg_Cubic_read(param_2, param_3, v_136, v_136BufferSize);
float2 err_v = (((cubic.p2 - cubic.p1) * 3.0) + cubic.p0) - cubic.p3;
float err = (err_v.x * err_v.x) + (err_v.y * err_v.y);
uint n_quads = max(uint(ceil(pow(err * 3.7037036418914794921875, 0.16666667163372039794921875))), 1u);
n_quads = min(n_quads, 16u);
float val = 0.0;
float2 qp0 = cubic.p0;
float _step = 1.0 / float(n_quads);
spvUnsafeArray<SubdivResult, 16> keep_params;
for (uint i = 0u; i < n_quads; i++)
{
float t = float(i + 1u) * _step;
float2 param_4 = cubic.p0;
float2 param_5 = cubic.p1;
float2 param_6 = cubic.p2;
float2 param_7 = cubic.p3;
float param_8 = t;
float2 qp2 = eval_cubic(param_4, param_5, param_6, param_7, param_8);
float2 param_9 = cubic.p0;
float2 param_10 = cubic.p1;
float2 param_11 = cubic.p2;
float2 param_12 = cubic.p3;
float param_13 = t - (0.5 * _step);
float2 qp1 = eval_cubic(param_9, param_10, param_11, param_12, param_13);
qp1 = (qp1 * 2.0) - ((qp0 + qp2) * 0.5);
float2 param_14 = qp0;
float2 param_15 = qp1;
float2 param_16 = qp2;
float param_17 = 0.4743416607379913330078125;
SubdivResult params = estimate_subdiv(param_14, param_15, param_16, param_17);
keep_params[i] = params;
val += params.val;
qp0 = qp2;
}
uint n = max(uint(ceil((val * 0.5) / 0.4743416607379913330078125)), 1u);
uint param_18 = tag.flags;
bool is_stroke = fill_mode_from_flags(param_18) == 1u;
uint path_ix = cubic.path_ix;
Alloc param_19;
param_19.offset = _710.conf.tile_alloc.offset;
PathRef param_20 = PathRef{ _710.conf.tile_alloc.offset + (path_ix * 12u) };
Path path = Path_read(param_19, param_20, v_136, v_136BufferSize);
uint param_21 = path.tiles.offset;
uint param_22 = ((path.bbox.z - path.bbox.x) * (path.bbox.w - path.bbox.y)) * 8u;
bool param_23 = mem_ok;
Alloc path_alloc = new_alloc(param_21, param_22, param_23);
int4 bbox = int4(path.bbox);
float2 p0 = cubic.p0;
qp0 = cubic.p0;
float v_step = val / float(n);
int n_out = 1;
float val_sum = 0.0;
float2 p1;
float _1147;
TileSeg tile_seg;
for (uint i_1 = 0u; i_1 < n_quads; i_1++)
{
float t_1 = float(i_1 + 1u) * _step;
float2 param_24 = cubic.p0;
float2 param_25 = cubic.p1;
float2 param_26 = cubic.p2;
float2 param_27 = cubic.p3;
float param_28 = t_1;
float2 qp2_1 = eval_cubic(param_24, param_25, param_26, param_27, param_28);
float2 param_29 = cubic.p0;
float2 param_30 = cubic.p1;
float2 param_31 = cubic.p2;
float2 param_32 = cubic.p3;
float param_33 = t_1 - (0.5 * _step);
float2 qp1_1 = eval_cubic(param_29, param_30, param_31, param_32, param_33);
qp1_1 = (qp1_1 * 2.0) - ((qp0 + qp2_1) * 0.5);
SubdivResult params_1 = keep_params[i_1];
float param_34 = params_1.a0;
float u0 = approx_parabola_inv_integral(param_34);
float param_35 = params_1.a2;
float u2 = approx_parabola_inv_integral(param_35);
float uscale = 1.0 / (u2 - u0);
float target = float(n_out) * v_step;
for (;;)
{
bool _1040 = uint(n_out) == n;
bool _1050;
if (!_1040)
{
_1050 = target < (val_sum + params_1.val);
}
else
{
_1050 = _1040;
}
if (_1050)
{
if (uint(n_out) == n)
{
p1 = cubic.p3;
}
else
{
float u = (target - val_sum) / params_1.val;
float a = mix(params_1.a0, params_1.a2, u);
float param_36 = a;
float au = approx_parabola_inv_integral(param_36);
float t_2 = (au - u0) * uscale;
float2 param_37 = qp0;
float2 param_38 = qp1_1;
float2 param_39 = qp2_1;
float param_40 = t_2;
p1 = eval_quad(param_37, param_38, param_39, param_40);
}
float xmin = fast::min(p0.x, p1.x) - cubic.stroke.x;
float xmax = fast::max(p0.x, p1.x) + cubic.stroke.x;
float ymin = fast::min(p0.y, p1.y) - cubic.stroke.y;
float ymax = fast::max(p0.y, p1.y) + cubic.stroke.y;
float dx = p1.x - p0.x;
float dy = p1.y - p0.y;
if (abs(dy) < 9.999999717180685365747194737196e-10)
{
_1147 = 1000000000.0;
}
else
{
_1147 = dx / dy;
}
float invslope = _1147;
float c = (cubic.stroke.x + (abs(invslope) * (8.0 + cubic.stroke.y))) * 0.0625;
float b = invslope;
float a_1 = (p0.x - ((p0.y - 8.0) * b)) * 0.0625;
int x0 = int(floor(xmin * 0.0625));
int x1 = int(floor(xmax * 0.0625) + 1.0);
int y0 = int(floor(ymin * 0.0625));
int y1 = int(floor(ymax * 0.0625) + 1.0);
x0 = clamp(x0, bbox.x, bbox.z);
y0 = clamp(y0, bbox.y, bbox.w);
x1 = clamp(x1, bbox.x, bbox.z);
y1 = clamp(y1, bbox.y, bbox.w);
float xc = a_1 + (b * float(y0));
int stride = bbox.z - bbox.x;
int base = ((y0 - bbox.y) * stride) - bbox.x;
uint n_tile_alloc = uint((x1 - x0) * (y1 - y0));
uint param_41 = n_tile_alloc * 24u;
MallocResult _1263 = malloc(param_41, v_136, v_136BufferSize);
MallocResult tile_alloc = _1263;
if (tile_alloc.failed || (!mem_ok))
{
return;
}
uint tile_offset = tile_alloc.alloc.offset;
int xray = int(floor(p0.x * 0.0625));
int last_xray = int(floor(p1.x * 0.0625));
if (p0.y > p1.y)
{
int tmp = xray;
xray = last_xray;
last_xray = tmp;
}
for (int y = y0; y < y1; y++)
{
float tile_y0 = float(y * 16);
int xbackdrop = max((xray + 1), bbox.x);
bool _1319 = !is_stroke;
bool _1329;
if (_1319)
{
_1329 = fast::min(p0.y, p1.y) < tile_y0;
}
else
{
_1329 = _1319;
}
bool _1336;
if (_1329)
{
_1336 = xbackdrop < bbox.z;
}
else
{
_1336 = _1329;
}
if (_1336)
{
int backdrop = (p1.y < p0.y) ? 1 : (-1);
TileRef param_42 = path.tiles;
uint param_43 = uint(base + xbackdrop);
TileRef tile_ref = Tile_index(param_42, param_43);
uint tile_el = tile_ref.offset >> uint(2);
Alloc param_44 = path_alloc;
uint param_45 = tile_el + 1u;
if (touch_mem(param_44, param_45))
{
uint _1374 = atomic_fetch_add_explicit((device atomic_uint*)&v_136.memory[tile_el + 1u], uint(backdrop), memory_order_relaxed);
}
}
int next_xray = last_xray;
if (y < (y1 - 1))
{
float tile_y1 = float((y + 1) * 16);
float x_edge = mix(p0.x, p1.x, (tile_y1 - p0.y) / dy);
next_xray = int(floor(x_edge * 0.0625));
}
int min_xray = min(xray, next_xray);
int max_xray = max(xray, next_xray);
int xx0 = min(int(floor(xc - c)), min_xray);
int xx1 = max(int(ceil(xc + c)), (max_xray + 1));
xx0 = clamp(xx0, x0, x1);
xx1 = clamp(xx1, x0, x1);
for (int x = xx0; x < xx1; x++)
{
float tile_x0 = float(x * 16);
TileRef param_46 = TileRef{ path.tiles.offset };
uint param_47 = uint(base + x);
TileRef tile_ref_1 = Tile_index(param_46, param_47);
uint tile_el_1 = tile_ref_1.offset >> uint(2);
uint old = 0u;
Alloc param_48 = path_alloc;
uint param_49 = tile_el_1;
if (touch_mem(param_48, param_49))
{
uint _1477 = atomic_exchange_explicit((device atomic_uint*)&v_136.memory[tile_el_1], tile_offset, memory_order_relaxed);
old = _1477;
}
tile_seg.origin = p0;
tile_seg.vector = p1 - p0;
float y_edge = 0.0;
if (!is_stroke)
{
y_edge = mix(p0.y, p1.y, (tile_x0 - p0.x) / dx);
if (fast::min(p0.x, p1.x) < tile_x0)
{
float2 p = float2(tile_x0, y_edge);
if (p0.x > p1.x)
{
tile_seg.vector = p - p0;
}
else
{
tile_seg.origin = p;
tile_seg.vector = p1 - p;
}
if (tile_seg.vector.x == 0.0)
{
tile_seg.vector.x = sign(p1.x - p0.x) * 9.999999717180685365747194737196e-10;
}
}
if ((x <= min_xray) || (max_xray < x))
{
y_edge = 1000000000.0;
}
}
tile_seg.y_edge = y_edge;
tile_seg.next.offset = old;
Alloc param_50 = tile_alloc.alloc;
TileSegRef param_51 = TileSegRef{ tile_offset };
TileSeg param_52 = tile_seg;
TileSeg_write(param_50, param_51, param_52, v_136, v_136BufferSize);
tile_offset += 24u;
}
xc += b;
base += stride;
xray = next_xray;
}
n_out++;
target += v_step;
p0 = p1;
continue;
}
else
{
break;
}
}
val_sum += params_1.val;
qp0 = qp2_1;
}
break;
}
}
}

BIN
piet-gpu/shader/gen/path_coarse.spv generated
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BIN
piet-gpu/shader/gen/pathseg.dxil generated
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661
piet-gpu/shader/gen/pathseg.hlsl generated
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@ -1,661 +0,0 @@
struct Alloc
{
uint offset;
};
struct TagMonoid
{
uint trans_ix;
uint linewidth_ix;
uint pathseg_ix;
uint path_ix;
uint pathseg_offset;
};
struct TransformSegRef
{
uint offset;
};
struct TransformSeg
{
float4 mat;
float2 translate;
};
struct PathCubicRef
{
uint offset;
};
struct PathCubic
{
float2 p0;
float2 p1;
float2 p2;
float2 p3;
uint path_ix;
uint trans_ix;
float2 stroke;
};
struct PathSegRef
{
uint offset;
};
struct Monoid
{
float4 bbox;
uint flags;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
static const TagMonoid _135 = { 0u, 0u, 0u, 0u, 0u };
static const Monoid _567 = { 0.0f.xxxx, 0u };
RWByteAddressBuffer _111 : register(u0, space0);
ByteAddressBuffer _574 : register(t2, space0);
ByteAddressBuffer _639 : register(t1, space0);
ByteAddressBuffer _710 : register(t3, space0);
static uint3 gl_WorkGroupID;
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_WorkGroupID : SV_GroupID;
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared TagMonoid sh_tag[256];
groupshared Monoid sh_scratch[256];
TagMonoid reduce_tag(uint tag_word)
{
uint point_count = tag_word & 50529027u;
TagMonoid c;
c.pathseg_ix = uint(int(countbits((point_count * 7u) & 67372036u)));
c.linewidth_ix = uint(int(countbits(tag_word & 1077952576u)));
c.path_ix = uint(int(countbits(tag_word & 269488144u)));
c.trans_ix = uint(int(countbits(tag_word & 538976288u)));
uint n_points = point_count + ((tag_word >> uint(2)) & 16843009u);
uint a = n_points + (n_points & (((tag_word >> uint(3)) & 16843009u) * 15u));
a += (a >> uint(8));
a += (a >> uint(16));
c.pathseg_offset = a & 255u;
return c;
}
TagMonoid combine_tag_monoid(TagMonoid a, TagMonoid b)
{
TagMonoid c;
c.trans_ix = a.trans_ix + b.trans_ix;
c.linewidth_ix = a.linewidth_ix + b.linewidth_ix;
c.pathseg_ix = a.pathseg_ix + b.pathseg_ix;
c.path_ix = a.path_ix + b.path_ix;
c.pathseg_offset = a.pathseg_offset + b.pathseg_offset;
return c;
}
TagMonoid tag_monoid_identity()
{
return _135;
}
float2 read_f32_point(uint ix)
{
float x = asfloat(_574.Load(ix * 4 + 0));
float y = asfloat(_574.Load((ix + 1u) * 4 + 0));
return float2(x, y);
}
float2 read_i16_point(uint ix)
{
uint raw = _574.Load(ix * 4 + 0);
float x = float(int(raw << uint(16)) >> 16);
float y = float(int(raw) >> 16);
return float2(x, y);
}
bool touch_mem(Alloc alloc, uint offset)
{
return true;
}
uint read_mem(Alloc alloc, uint offset)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return 0u;
}
uint v = _111.Load(offset * 4 + 8);
return v;
}
TransformSeg TransformSeg_read(Alloc a, TransformSegRef ref)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint raw0 = read_mem(param, param_1);
Alloc param_2 = a;
uint param_3 = ix + 1u;
uint raw1 = read_mem(param_2, param_3);
Alloc param_4 = a;
uint param_5 = ix + 2u;
uint raw2 = read_mem(param_4, param_5);
Alloc param_6 = a;
uint param_7 = ix + 3u;
uint raw3 = read_mem(param_6, param_7);
Alloc param_8 = a;
uint param_9 = ix + 4u;
uint raw4 = read_mem(param_8, param_9);
Alloc param_10 = a;
uint param_11 = ix + 5u;
uint raw5 = read_mem(param_10, param_11);
TransformSeg s;
s.mat = float4(asfloat(raw0), asfloat(raw1), asfloat(raw2), asfloat(raw3));
s.translate = float2(asfloat(raw4), asfloat(raw5));
return s;
}
void write_mem(Alloc alloc, uint offset, uint val)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
_111.Store(offset * 4 + 8, val);
}
void PathCubic_write(Alloc a, PathCubicRef ref, PathCubic s)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint param_2 = asuint(s.p0.x);
write_mem(param, param_1, param_2);
Alloc param_3 = a;
uint param_4 = ix + 1u;
uint param_5 = asuint(s.p0.y);
write_mem(param_3, param_4, param_5);
Alloc param_6 = a;
uint param_7 = ix + 2u;
uint param_8 = asuint(s.p1.x);
write_mem(param_6, param_7, param_8);
Alloc param_9 = a;
uint param_10 = ix + 3u;
uint param_11 = asuint(s.p1.y);
write_mem(param_9, param_10, param_11);
Alloc param_12 = a;
uint param_13 = ix + 4u;
uint param_14 = asuint(s.p2.x);
write_mem(param_12, param_13, param_14);
Alloc param_15 = a;
uint param_16 = ix + 5u;
uint param_17 = asuint(s.p2.y);
write_mem(param_15, param_16, param_17);
Alloc param_18 = a;
uint param_19 = ix + 6u;
uint param_20 = asuint(s.p3.x);
write_mem(param_18, param_19, param_20);
Alloc param_21 = a;
uint param_22 = ix + 7u;
uint param_23 = asuint(s.p3.y);
write_mem(param_21, param_22, param_23);
Alloc param_24 = a;
uint param_25 = ix + 8u;
uint param_26 = s.path_ix;
write_mem(param_24, param_25, param_26);
Alloc param_27 = a;
uint param_28 = ix + 9u;
uint param_29 = s.trans_ix;
write_mem(param_27, param_28, param_29);
Alloc param_30 = a;
uint param_31 = ix + 10u;
uint param_32 = asuint(s.stroke.x);
write_mem(param_30, param_31, param_32);
Alloc param_33 = a;
uint param_34 = ix + 11u;
uint param_35 = asuint(s.stroke.y);
write_mem(param_33, param_34, param_35);
}
void PathSeg_Cubic_write(Alloc a, PathSegRef ref, uint flags, PathCubic s)
{
Alloc param = a;
uint param_1 = ref.offset >> uint(2);
uint param_2 = (flags << uint(16)) | 1u;
write_mem(param, param_1, param_2);
PathCubicRef _458 = { ref.offset + 4u };
Alloc param_3 = a;
PathCubicRef param_4 = _458;
PathCubic param_5 = s;
PathCubic_write(param_3, param_4, param_5);
}
Monoid combine_monoid(Monoid a, Monoid b)
{
Monoid c;
c.bbox = b.bbox;
bool _472 = (a.flags & 1u) == 0u;
bool _480;
if (_472)
{
_480 = b.bbox.z <= b.bbox.x;
}
else
{
_480 = _472;
}
bool _488;
if (_480)
{
_488 = b.bbox.w <= b.bbox.y;
}
else
{
_488 = _480;
}
if (_488)
{
c.bbox = a.bbox;
}
else
{
bool _498 = (a.flags & 1u) == 0u;
bool _505;
if (_498)
{
_505 = (b.flags & 2u) == 0u;
}
else
{
_505 = _498;
}
bool _522;
if (_505)
{
bool _512 = a.bbox.z > a.bbox.x;
bool _521;
if (!_512)
{
_521 = a.bbox.w > a.bbox.y;
}
else
{
_521 = _512;
}
_522 = _521;
}
else
{
_522 = _505;
}
if (_522)
{
float4 _529 = c.bbox;
float2 _531 = min(a.bbox.xy, _529.xy);
c.bbox.x = _531.x;
c.bbox.y = _531.y;
float4 _540 = c.bbox;
float2 _542 = max(a.bbox.zw, _540.zw);
c.bbox.z = _542.x;
c.bbox.w = _542.y;
}
}
c.flags = (a.flags & 2u) | b.flags;
c.flags |= ((a.flags & 1u) << uint(1));
return c;
}
Monoid monoid_identity()
{
return _567;
}
uint round_down(float x)
{
return uint(max(0.0f, floor(x) + 32768.0f));
}
uint round_up(float x)
{
return uint(min(65535.0f, ceil(x) + 32768.0f));
}
void comp_main()
{
uint ix = gl_GlobalInvocationID.x * 4u;
uint tag_word = _574.Load(((_639.Load(92) >> uint(2)) + (ix >> uint(2))) * 4 + 0);
uint param = tag_word;
TagMonoid local_tm = reduce_tag(param);
sh_tag[gl_LocalInvocationID.x] = local_tm;
for (uint i = 0u; i < 8u; i++)
{
GroupMemoryBarrierWithGroupSync();
if (gl_LocalInvocationID.x >= (1u << i))
{
TagMonoid other = sh_tag[gl_LocalInvocationID.x - (1u << i)];
TagMonoid param_1 = other;
TagMonoid param_2 = local_tm;
local_tm = combine_tag_monoid(param_1, param_2);
}
GroupMemoryBarrierWithGroupSync();
sh_tag[gl_LocalInvocationID.x] = local_tm;
}
GroupMemoryBarrierWithGroupSync();
TagMonoid tm = tag_monoid_identity();
if (gl_WorkGroupID.x > 0u)
{
TagMonoid _716;
_716.trans_ix = _710.Load((gl_WorkGroupID.x - 1u) * 20 + 0);
_716.linewidth_ix = _710.Load((gl_WorkGroupID.x - 1u) * 20 + 4);
_716.pathseg_ix = _710.Load((gl_WorkGroupID.x - 1u) * 20 + 8);
_716.path_ix = _710.Load((gl_WorkGroupID.x - 1u) * 20 + 12);
_716.pathseg_offset = _710.Load((gl_WorkGroupID.x - 1u) * 20 + 16);
tm.trans_ix = _716.trans_ix;
tm.linewidth_ix = _716.linewidth_ix;
tm.pathseg_ix = _716.pathseg_ix;
tm.path_ix = _716.path_ix;
tm.pathseg_offset = _716.pathseg_offset;
}
if (gl_LocalInvocationID.x > 0u)
{
TagMonoid param_3 = tm;
TagMonoid param_4 = sh_tag[gl_LocalInvocationID.x - 1u];
tm = combine_tag_monoid(param_3, param_4);
}
uint ps_ix = (_639.Load(96) >> uint(2)) + tm.pathseg_offset;
uint lw_ix = (_639.Load(88) >> uint(2)) + tm.linewidth_ix;
uint save_path_ix = tm.path_ix;
uint trans_ix = tm.trans_ix;
TransformSegRef _771 = { _639.Load(36) + (trans_ix * 24u) };
TransformSegRef trans_ref = _771;
PathSegRef _781 = { _639.Load(28) + (tm.pathseg_ix * 52u) };
PathSegRef ps_ref = _781;
float linewidth[4];
uint save_trans_ix[4];
float2 p0;
float2 p1;
float2 p2;
float2 p3;
Alloc param_13;
Monoid local[4];
PathCubic cubic;
Alloc param_15;
for (uint i_1 = 0u; i_1 < 4u; i_1++)
{
linewidth[i_1] = asfloat(_574.Load(lw_ix * 4 + 0));
save_trans_ix[i_1] = trans_ix;
uint tag_byte = tag_word >> (i_1 * 8u);
uint seg_type = tag_byte & 3u;
if (seg_type != 0u)
{
if ((tag_byte & 8u) != 0u)
{
uint param_5 = ps_ix;
p0 = read_f32_point(param_5);
uint param_6 = ps_ix + 2u;
p1 = read_f32_point(param_6);
if (seg_type >= 2u)
{
uint param_7 = ps_ix + 4u;
p2 = read_f32_point(param_7);
if (seg_type == 3u)
{
uint param_8 = ps_ix + 6u;
p3 = read_f32_point(param_8);
}
}
}
else
{
uint param_9 = ps_ix;
p0 = read_i16_point(param_9);
uint param_10 = ps_ix + 1u;
p1 = read_i16_point(param_10);
if (seg_type >= 2u)
{
uint param_11 = ps_ix + 2u;
p2 = read_i16_point(param_11);
if (seg_type == 3u)
{
uint param_12 = ps_ix + 3u;
p3 = read_i16_point(param_12);
}
}
}
Alloc _877;
_877.offset = _639.Load(36);
param_13.offset = _877.offset;
TransformSegRef param_14 = trans_ref;
TransformSeg transform = TransformSeg_read(param_13, param_14);
p0 = ((transform.mat.xy * p0.x) + (transform.mat.zw * p0.y)) + transform.translate;
p1 = ((transform.mat.xy * p1.x) + (transform.mat.zw * p1.y)) + transform.translate;
float4 bbox = float4(min(p0, p1), max(p0, p1));
if (seg_type >= 2u)
{
p2 = ((transform.mat.xy * p2.x) + (transform.mat.zw * p2.y)) + transform.translate;
float4 _947 = bbox;
float2 _950 = min(_947.xy, p2);
bbox.x = _950.x;
bbox.y = _950.y;
float4 _955 = bbox;
float2 _958 = max(_955.zw, p2);
bbox.z = _958.x;
bbox.w = _958.y;
if (seg_type == 3u)
{
p3 = ((transform.mat.xy * p3.x) + (transform.mat.zw * p3.y)) + transform.translate;
float4 _983 = bbox;
float2 _986 = min(_983.xy, p3);
bbox.x = _986.x;
bbox.y = _986.y;
float4 _991 = bbox;
float2 _994 = max(_991.zw, p3);
bbox.z = _994.x;
bbox.w = _994.y;
}
else
{
p3 = p2;
p2 = lerp(p1, p2, 0.3333333432674407958984375f.xx);
p1 = lerp(p1, p0, 0.3333333432674407958984375f.xx);
}
}
else
{
p3 = p1;
p2 = lerp(p3, p0, 0.3333333432674407958984375f.xx);
p1 = lerp(p0, p3, 0.3333333432674407958984375f.xx);
}
float2 stroke = 0.0f.xx;
if (linewidth[i_1] >= 0.0f)
{
stroke = float2(length(transform.mat.xz), length(transform.mat.yw)) * (0.5f * linewidth[i_1]);
bbox += float4(-stroke, stroke);
}
local[i_1].bbox = bbox;
local[i_1].flags = 0u;
cubic.p0 = p0;
cubic.p1 = p1;
cubic.p2 = p2;
cubic.p3 = p3;
cubic.path_ix = tm.path_ix;
cubic.trans_ix = (gl_GlobalInvocationID.x * 4u) + i_1;
cubic.stroke = stroke;
uint fill_mode = uint(linewidth[i_1] >= 0.0f);
Alloc _1089;
_1089.offset = _639.Load(28);
param_15.offset = _1089.offset;
PathSegRef param_16 = ps_ref;
uint param_17 = fill_mode;
PathCubic param_18 = cubic;
PathSeg_Cubic_write(param_15, param_16, param_17, param_18);
ps_ref.offset += 52u;
uint n_points = (tag_byte & 3u) + ((tag_byte >> uint(2)) & 1u);
uint n_words = n_points + (n_points & (((tag_byte >> uint(3)) & 1u) * 15u));
ps_ix += n_words;
}
else
{
local[i_1].bbox = 0.0f.xxxx;
uint is_path = (tag_byte >> uint(4)) & 1u;
local[i_1].flags = is_path;
tm.path_ix += is_path;
trans_ix += ((tag_byte >> uint(5)) & 1u);
trans_ref.offset += (((tag_byte >> uint(5)) & 1u) * 24u);
lw_ix += ((tag_byte >> uint(6)) & 1u);
}
}
Monoid agg = local[0];
for (uint i_2 = 1u; i_2 < 4u; i_2++)
{
Monoid param_19 = agg;
Monoid param_20 = local[i_2];
agg = combine_monoid(param_19, param_20);
local[i_2] = agg;
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_3 = 0u; i_3 < 8u; i_3++)
{
GroupMemoryBarrierWithGroupSync();
if (gl_LocalInvocationID.x >= (1u << i_3))
{
Monoid other_1 = sh_scratch[gl_LocalInvocationID.x - (1u << i_3)];
Monoid param_21 = other_1;
Monoid param_22 = agg;
agg = combine_monoid(param_21, param_22);
}
GroupMemoryBarrierWithGroupSync();
sh_scratch[gl_LocalInvocationID.x] = agg;
}
GroupMemoryBarrierWithGroupSync();
uint path_ix = save_path_ix;
uint bbox_out_ix = (_639.Load(40) >> uint(2)) + (path_ix * 6u);
Monoid row = monoid_identity();
if (gl_LocalInvocationID.x > 0u)
{
row = sh_scratch[gl_LocalInvocationID.x - 1u];
}
for (uint i_4 = 0u; i_4 < 4u; i_4++)
{
Monoid param_23 = row;
Monoid param_24 = local[i_4];
Monoid m = combine_monoid(param_23, param_24);
bool do_atomic = false;
bool _1264 = i_4 == 3u;
bool _1270;
if (_1264)
{
_1270 = gl_LocalInvocationID.x == 255u;
}
else
{
_1270 = _1264;
}
if (_1270)
{
do_atomic = true;
}
if ((m.flags & 1u) != 0u)
{
_111.Store((bbox_out_ix + 4u) * 4 + 8, asuint(linewidth[i_4]));
_111.Store((bbox_out_ix + 5u) * 4 + 8, save_trans_ix[i_4]);
if ((m.flags & 2u) == 0u)
{
do_atomic = true;
}
else
{
float param_25 = m.bbox.x;
_111.Store(bbox_out_ix * 4 + 8, round_down(param_25));
float param_26 = m.bbox.y;
_111.Store((bbox_out_ix + 1u) * 4 + 8, round_down(param_26));
float param_27 = m.bbox.z;
_111.Store((bbox_out_ix + 2u) * 4 + 8, round_up(param_27));
float param_28 = m.bbox.w;
_111.Store((bbox_out_ix + 3u) * 4 + 8, round_up(param_28));
bbox_out_ix += 6u;
do_atomic = false;
}
}
if (do_atomic)
{
bool _1335 = m.bbox.z > m.bbox.x;
bool _1344;
if (!_1335)
{
_1344 = m.bbox.w > m.bbox.y;
}
else
{
_1344 = _1335;
}
if (_1344)
{
float param_29 = m.bbox.x;
uint _1353;
_111.InterlockedMin(bbox_out_ix * 4 + 8, round_down(param_29), _1353);
float param_30 = m.bbox.y;
uint _1361;
_111.InterlockedMin((bbox_out_ix + 1u) * 4 + 8, round_down(param_30), _1361);
float param_31 = m.bbox.z;
uint _1369;
_111.InterlockedMax((bbox_out_ix + 2u) * 4 + 8, round_up(param_31), _1369);
float param_32 = m.bbox.w;
uint _1377;
_111.InterlockedMax((bbox_out_ix + 3u) * 4 + 8, round_up(param_32), _1377);
}
bbox_out_ix += 6u;
}
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_WorkGroupID = stage_input.gl_WorkGroupID;
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

717
piet-gpu/shader/gen/pathseg.msl generated
View file

@ -1,717 +0,0 @@
#pragma clang diagnostic ignored "-Wmissing-prototypes"
#pragma clang diagnostic ignored "-Wmissing-braces"
#pragma clang diagnostic ignored "-Wunused-variable"
#include <metal_stdlib>
#include <simd/simd.h>
#include <metal_atomic>
using namespace metal;
template<typename T, size_t Num>
struct spvUnsafeArray
{
T elements[Num ? Num : 1];
thread T& operator [] (size_t pos) thread
{
return elements[pos];
}
constexpr const thread T& operator [] (size_t pos) const thread
{
return elements[pos];
}
device T& operator [] (size_t pos) device
{
return elements[pos];
}
constexpr const device T& operator [] (size_t pos) const device
{
return elements[pos];
}
constexpr const constant T& operator [] (size_t pos) const constant
{
return elements[pos];
}
threadgroup T& operator [] (size_t pos) threadgroup
{
return elements[pos];
}
constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
{
return elements[pos];
}
};
struct Alloc
{
uint offset;
};
struct TagMonoid
{
uint trans_ix;
uint linewidth_ix;
uint pathseg_ix;
uint path_ix;
uint pathseg_offset;
};
struct TransformSegRef
{
uint offset;
};
struct TransformSeg
{
float4 mat;
float2 translate;
};
struct PathCubicRef
{
uint offset;
};
struct PathCubic
{
float2 p0;
float2 p1;
float2 p2;
float2 p3;
uint path_ix;
uint trans_ix;
float2 stroke;
};
struct PathSegRef
{
uint offset;
};
struct Monoid
{
float4 bbox;
uint flags;
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
struct SceneBuf
{
uint scene[1];
};
struct Alloc_1
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc_1 tile_alloc;
Alloc_1 bin_alloc;
Alloc_1 ptcl_alloc;
Alloc_1 pathseg_alloc;
Alloc_1 anno_alloc;
Alloc_1 trans_alloc;
Alloc_1 path_bbox_alloc;
Alloc_1 drawmonoid_alloc;
Alloc_1 clip_alloc;
Alloc_1 clip_bic_alloc;
Alloc_1 clip_stack_alloc;
Alloc_1 clip_bbox_alloc;
Alloc_1 draw_bbox_alloc;
Alloc_1 drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
struct TagMonoid_1
{
uint trans_ix;
uint linewidth_ix;
uint pathseg_ix;
uint path_ix;
uint pathseg_offset;
};
struct ParentBuf
{
TagMonoid_1 parent[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
TagMonoid reduce_tag(thread const uint& tag_word)
{
uint point_count = tag_word & 50529027u;
TagMonoid c;
c.pathseg_ix = uint(int(popcount((point_count * 7u) & 67372036u)));
c.linewidth_ix = uint(int(popcount(tag_word & 1077952576u)));
c.path_ix = uint(int(popcount(tag_word & 269488144u)));
c.trans_ix = uint(int(popcount(tag_word & 538976288u)));
uint n_points = point_count + ((tag_word >> uint(2)) & 16843009u);
uint a = n_points + (n_points & (((tag_word >> uint(3)) & 16843009u) * 15u));
a += (a >> uint(8));
a += (a >> uint(16));
c.pathseg_offset = a & 255u;
return c;
}
static inline __attribute__((always_inline))
TagMonoid combine_tag_monoid(thread const TagMonoid& a, thread const TagMonoid& b)
{
TagMonoid c;
c.trans_ix = a.trans_ix + b.trans_ix;
c.linewidth_ix = a.linewidth_ix + b.linewidth_ix;
c.pathseg_ix = a.pathseg_ix + b.pathseg_ix;
c.path_ix = a.path_ix + b.path_ix;
c.pathseg_offset = a.pathseg_offset + b.pathseg_offset;
return c;
}
static inline __attribute__((always_inline))
TagMonoid tag_monoid_identity()
{
return TagMonoid{ 0u, 0u, 0u, 0u, 0u };
}
static inline __attribute__((always_inline))
float2 read_f32_point(thread const uint& ix, const device SceneBuf& v_574)
{
float x = as_type<float>(v_574.scene[ix]);
float y = as_type<float>(v_574.scene[ix + 1u]);
return float2(x, y);
}
static inline __attribute__((always_inline))
float2 read_i16_point(thread const uint& ix, const device SceneBuf& v_574)
{
uint raw = v_574.scene[ix];
float x = float(int(raw << uint(16)) >> 16);
float y = float(int(raw) >> 16);
return float2(x, y);
}
static inline __attribute__((always_inline))
bool touch_mem(thread const Alloc& alloc, thread const uint& offset)
{
return true;
}
static inline __attribute__((always_inline))
uint read_mem(thread const Alloc& alloc, thread const uint& offset, device Memory& v_111)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return 0u;
}
uint v = v_111.memory[offset];
return v;
}
static inline __attribute__((always_inline))
TransformSeg TransformSeg_read(thread const Alloc& a, thread const TransformSegRef& ref, device Memory& v_111)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint raw0 = read_mem(param, param_1, v_111);
Alloc param_2 = a;
uint param_3 = ix + 1u;
uint raw1 = read_mem(param_2, param_3, v_111);
Alloc param_4 = a;
uint param_5 = ix + 2u;
uint raw2 = read_mem(param_4, param_5, v_111);
Alloc param_6 = a;
uint param_7 = ix + 3u;
uint raw3 = read_mem(param_6, param_7, v_111);
Alloc param_8 = a;
uint param_9 = ix + 4u;
uint raw4 = read_mem(param_8, param_9, v_111);
Alloc param_10 = a;
uint param_11 = ix + 5u;
uint raw5 = read_mem(param_10, param_11, v_111);
TransformSeg s;
s.mat = float4(as_type<float>(raw0), as_type<float>(raw1), as_type<float>(raw2), as_type<float>(raw3));
s.translate = float2(as_type<float>(raw4), as_type<float>(raw5));
return s;
}
static inline __attribute__((always_inline))
void write_mem(thread const Alloc& alloc, thread const uint& offset, thread const uint& val, device Memory& v_111)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
v_111.memory[offset] = val;
}
static inline __attribute__((always_inline))
void PathCubic_write(thread const Alloc& a, thread const PathCubicRef& ref, thread const PathCubic& s, device Memory& v_111)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint param_2 = as_type<uint>(s.p0.x);
write_mem(param, param_1, param_2, v_111);
Alloc param_3 = a;
uint param_4 = ix + 1u;
uint param_5 = as_type<uint>(s.p0.y);
write_mem(param_3, param_4, param_5, v_111);
Alloc param_6 = a;
uint param_7 = ix + 2u;
uint param_8 = as_type<uint>(s.p1.x);
write_mem(param_6, param_7, param_8, v_111);
Alloc param_9 = a;
uint param_10 = ix + 3u;
uint param_11 = as_type<uint>(s.p1.y);
write_mem(param_9, param_10, param_11, v_111);
Alloc param_12 = a;
uint param_13 = ix + 4u;
uint param_14 = as_type<uint>(s.p2.x);
write_mem(param_12, param_13, param_14, v_111);
Alloc param_15 = a;
uint param_16 = ix + 5u;
uint param_17 = as_type<uint>(s.p2.y);
write_mem(param_15, param_16, param_17, v_111);
Alloc param_18 = a;
uint param_19 = ix + 6u;
uint param_20 = as_type<uint>(s.p3.x);
write_mem(param_18, param_19, param_20, v_111);
Alloc param_21 = a;
uint param_22 = ix + 7u;
uint param_23 = as_type<uint>(s.p3.y);
write_mem(param_21, param_22, param_23, v_111);
Alloc param_24 = a;
uint param_25 = ix + 8u;
uint param_26 = s.path_ix;
write_mem(param_24, param_25, param_26, v_111);
Alloc param_27 = a;
uint param_28 = ix + 9u;
uint param_29 = s.trans_ix;
write_mem(param_27, param_28, param_29, v_111);
Alloc param_30 = a;
uint param_31 = ix + 10u;
uint param_32 = as_type<uint>(s.stroke.x);
write_mem(param_30, param_31, param_32, v_111);
Alloc param_33 = a;
uint param_34 = ix + 11u;
uint param_35 = as_type<uint>(s.stroke.y);
write_mem(param_33, param_34, param_35, v_111);
}
static inline __attribute__((always_inline))
void PathSeg_Cubic_write(thread const Alloc& a, thread const PathSegRef& ref, thread const uint& flags, thread const PathCubic& s, device Memory& v_111)
{
Alloc param = a;
uint param_1 = ref.offset >> uint(2);
uint param_2 = (flags << uint(16)) | 1u;
write_mem(param, param_1, param_2, v_111);
Alloc param_3 = a;
PathCubicRef param_4 = PathCubicRef{ ref.offset + 4u };
PathCubic param_5 = s;
PathCubic_write(param_3, param_4, param_5, v_111);
}
static inline __attribute__((always_inline))
Monoid combine_monoid(thread const Monoid& a, thread const Monoid& b)
{
Monoid c;
c.bbox = b.bbox;
bool _472 = (a.flags & 1u) == 0u;
bool _480;
if (_472)
{
_480 = b.bbox.z <= b.bbox.x;
}
else
{
_480 = _472;
}
bool _488;
if (_480)
{
_488 = b.bbox.w <= b.bbox.y;
}
else
{
_488 = _480;
}
if (_488)
{
c.bbox = a.bbox;
}
else
{
bool _498 = (a.flags & 1u) == 0u;
bool _505;
if (_498)
{
_505 = (b.flags & 2u) == 0u;
}
else
{
_505 = _498;
}
bool _522;
if (_505)
{
bool _512 = a.bbox.z > a.bbox.x;
bool _521;
if (!_512)
{
_521 = a.bbox.w > a.bbox.y;
}
else
{
_521 = _512;
}
_522 = _521;
}
else
{
_522 = _505;
}
if (_522)
{
float4 _529 = c.bbox;
float2 _531 = fast::min(a.bbox.xy, _529.xy);
c.bbox.x = _531.x;
c.bbox.y = _531.y;
float4 _540 = c.bbox;
float2 _542 = fast::max(a.bbox.zw, _540.zw);
c.bbox.z = _542.x;
c.bbox.w = _542.y;
}
}
c.flags = (a.flags & 2u) | b.flags;
c.flags |= ((a.flags & 1u) << uint(1));
return c;
}
static inline __attribute__((always_inline))
Monoid monoid_identity()
{
return Monoid{ float4(0.0), 0u };
}
static inline __attribute__((always_inline))
uint round_down(thread const float& x)
{
return uint(fast::max(0.0, floor(x) + 32768.0));
}
static inline __attribute__((always_inline))
uint round_up(thread const float& x)
{
return uint(fast::min(65535.0, ceil(x) + 32768.0));
}
kernel void main0(device Memory& v_111 [[buffer(0)]], const device ConfigBuf& _639 [[buffer(1)]], const device SceneBuf& v_574 [[buffer(2)]], const device ParentBuf& _710 [[buffer(3)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]], uint3 gl_WorkGroupID [[threadgroup_position_in_grid]])
{
threadgroup TagMonoid sh_tag[256];
threadgroup Monoid sh_scratch[256];
uint ix = gl_GlobalInvocationID.x * 4u;
uint tag_word = v_574.scene[(_639.conf.pathtag_offset >> uint(2)) + (ix >> uint(2))];
uint param = tag_word;
TagMonoid local_tm = reduce_tag(param);
sh_tag[gl_LocalInvocationID.x] = local_tm;
for (uint i = 0u; i < 8u; i++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if (gl_LocalInvocationID.x >= (1u << i))
{
TagMonoid other = sh_tag[gl_LocalInvocationID.x - (1u << i)];
TagMonoid param_1 = other;
TagMonoid param_2 = local_tm;
local_tm = combine_tag_monoid(param_1, param_2);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_tag[gl_LocalInvocationID.x] = local_tm;
}
threadgroup_barrier(mem_flags::mem_threadgroup);
TagMonoid tm = tag_monoid_identity();
if (gl_WorkGroupID.x > 0u)
{
uint _713 = gl_WorkGroupID.x - 1u;
tm.trans_ix = _710.parent[_713].trans_ix;
tm.linewidth_ix = _710.parent[_713].linewidth_ix;
tm.pathseg_ix = _710.parent[_713].pathseg_ix;
tm.path_ix = _710.parent[_713].path_ix;
tm.pathseg_offset = _710.parent[_713].pathseg_offset;
}
if (gl_LocalInvocationID.x > 0u)
{
TagMonoid param_3 = tm;
TagMonoid param_4 = sh_tag[gl_LocalInvocationID.x - 1u];
tm = combine_tag_monoid(param_3, param_4);
}
uint ps_ix = (_639.conf.pathseg_offset >> uint(2)) + tm.pathseg_offset;
uint lw_ix = (_639.conf.linewidth_offset >> uint(2)) + tm.linewidth_ix;
uint save_path_ix = tm.path_ix;
uint trans_ix = tm.trans_ix;
TransformSegRef trans_ref = TransformSegRef{ _639.conf.trans_alloc.offset + (trans_ix * 24u) };
PathSegRef ps_ref = PathSegRef{ _639.conf.pathseg_alloc.offset + (tm.pathseg_ix * 52u) };
spvUnsafeArray<float, 4> linewidth;
spvUnsafeArray<uint, 4> save_trans_ix;
float2 p0;
float2 p1;
float2 p2;
float2 p3;
Alloc param_13;
spvUnsafeArray<Monoid, 4> local;
PathCubic cubic;
Alloc param_15;
for (uint i_1 = 0u; i_1 < 4u; i_1++)
{
linewidth[i_1] = as_type<float>(v_574.scene[lw_ix]);
save_trans_ix[i_1] = trans_ix;
uint tag_byte = tag_word >> (i_1 * 8u);
uint seg_type = tag_byte & 3u;
if (seg_type != 0u)
{
if ((tag_byte & 8u) != 0u)
{
uint param_5 = ps_ix;
p0 = read_f32_point(param_5, v_574);
uint param_6 = ps_ix + 2u;
p1 = read_f32_point(param_6, v_574);
if (seg_type >= 2u)
{
uint param_7 = ps_ix + 4u;
p2 = read_f32_point(param_7, v_574);
if (seg_type == 3u)
{
uint param_8 = ps_ix + 6u;
p3 = read_f32_point(param_8, v_574);
}
}
}
else
{
uint param_9 = ps_ix;
p0 = read_i16_point(param_9, v_574);
uint param_10 = ps_ix + 1u;
p1 = read_i16_point(param_10, v_574);
if (seg_type >= 2u)
{
uint param_11 = ps_ix + 2u;
p2 = read_i16_point(param_11, v_574);
if (seg_type == 3u)
{
uint param_12 = ps_ix + 3u;
p3 = read_i16_point(param_12, v_574);
}
}
}
param_13.offset = _639.conf.trans_alloc.offset;
TransformSegRef param_14 = trans_ref;
TransformSeg transform = TransformSeg_read(param_13, param_14, v_111);
p0 = ((transform.mat.xy * p0.x) + (transform.mat.zw * p0.y)) + transform.translate;
p1 = ((transform.mat.xy * p1.x) + (transform.mat.zw * p1.y)) + transform.translate;
float4 bbox = float4(fast::min(p0, p1), fast::max(p0, p1));
if (seg_type >= 2u)
{
p2 = ((transform.mat.xy * p2.x) + (transform.mat.zw * p2.y)) + transform.translate;
float4 _947 = bbox;
float2 _950 = fast::min(_947.xy, p2);
bbox.x = _950.x;
bbox.y = _950.y;
float4 _955 = bbox;
float2 _958 = fast::max(_955.zw, p2);
bbox.z = _958.x;
bbox.w = _958.y;
if (seg_type == 3u)
{
p3 = ((transform.mat.xy * p3.x) + (transform.mat.zw * p3.y)) + transform.translate;
float4 _983 = bbox;
float2 _986 = fast::min(_983.xy, p3);
bbox.x = _986.x;
bbox.y = _986.y;
float4 _991 = bbox;
float2 _994 = fast::max(_991.zw, p3);
bbox.z = _994.x;
bbox.w = _994.y;
}
else
{
p3 = p2;
p2 = mix(p1, p2, float2(0.3333333432674407958984375));
p1 = mix(p1, p0, float2(0.3333333432674407958984375));
}
}
else
{
p3 = p1;
p2 = mix(p3, p0, float2(0.3333333432674407958984375));
p1 = mix(p0, p3, float2(0.3333333432674407958984375));
}
float2 stroke = float2(0.0);
if (linewidth[i_1] >= 0.0)
{
stroke = float2(length(transform.mat.xz), length(transform.mat.yw)) * (0.5 * linewidth[i_1]);
bbox += float4(-stroke, stroke);
}
local[i_1].bbox = bbox;
local[i_1].flags = 0u;
cubic.p0 = p0;
cubic.p1 = p1;
cubic.p2 = p2;
cubic.p3 = p3;
cubic.path_ix = tm.path_ix;
cubic.trans_ix = (gl_GlobalInvocationID.x * 4u) + i_1;
cubic.stroke = stroke;
uint fill_mode = uint(linewidth[i_1] >= 0.0);
param_15.offset = _639.conf.pathseg_alloc.offset;
PathSegRef param_16 = ps_ref;
uint param_17 = fill_mode;
PathCubic param_18 = cubic;
PathSeg_Cubic_write(param_15, param_16, param_17, param_18, v_111);
ps_ref.offset += 52u;
uint n_points = (tag_byte & 3u) + ((tag_byte >> uint(2)) & 1u);
uint n_words = n_points + (n_points & (((tag_byte >> uint(3)) & 1u) * 15u));
ps_ix += n_words;
}
else
{
local[i_1].bbox = float4(0.0);
uint is_path = (tag_byte >> uint(4)) & 1u;
local[i_1].flags = is_path;
tm.path_ix += is_path;
trans_ix += ((tag_byte >> uint(5)) & 1u);
trans_ref.offset += (((tag_byte >> uint(5)) & 1u) * 24u);
lw_ix += ((tag_byte >> uint(6)) & 1u);
}
}
Monoid agg = local[0];
for (uint i_2 = 1u; i_2 < 4u; i_2++)
{
Monoid param_19 = agg;
Monoid param_20 = local[i_2];
agg = combine_monoid(param_19, param_20);
local[i_2] = agg;
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_3 = 0u; i_3 < 8u; i_3++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if (gl_LocalInvocationID.x >= (1u << i_3))
{
Monoid other_1 = sh_scratch[gl_LocalInvocationID.x - (1u << i_3)];
Monoid param_21 = other_1;
Monoid param_22 = agg;
agg = combine_monoid(param_21, param_22);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_scratch[gl_LocalInvocationID.x] = agg;
}
threadgroup_barrier(mem_flags::mem_threadgroup);
uint path_ix = save_path_ix;
uint bbox_out_ix = (_639.conf.path_bbox_alloc.offset >> uint(2)) + (path_ix * 6u);
Monoid row = monoid_identity();
if (gl_LocalInvocationID.x > 0u)
{
row = sh_scratch[gl_LocalInvocationID.x - 1u];
}
for (uint i_4 = 0u; i_4 < 4u; i_4++)
{
Monoid param_23 = row;
Monoid param_24 = local[i_4];
Monoid m = combine_monoid(param_23, param_24);
bool do_atomic = false;
bool _1264 = i_4 == 3u;
bool _1270;
if (_1264)
{
_1270 = gl_LocalInvocationID.x == 255u;
}
else
{
_1270 = _1264;
}
if (_1270)
{
do_atomic = true;
}
if ((m.flags & 1u) != 0u)
{
v_111.memory[bbox_out_ix + 4u] = as_type<uint>(linewidth[i_4]);
v_111.memory[bbox_out_ix + 5u] = save_trans_ix[i_4];
if ((m.flags & 2u) == 0u)
{
do_atomic = true;
}
else
{
float param_25 = m.bbox.x;
v_111.memory[bbox_out_ix] = round_down(param_25);
float param_26 = m.bbox.y;
v_111.memory[bbox_out_ix + 1u] = round_down(param_26);
float param_27 = m.bbox.z;
v_111.memory[bbox_out_ix + 2u] = round_up(param_27);
float param_28 = m.bbox.w;
v_111.memory[bbox_out_ix + 3u] = round_up(param_28);
bbox_out_ix += 6u;
do_atomic = false;
}
}
if (do_atomic)
{
bool _1335 = m.bbox.z > m.bbox.x;
bool _1344;
if (!_1335)
{
_1344 = m.bbox.w > m.bbox.y;
}
else
{
_1344 = _1335;
}
if (_1344)
{
float param_29 = m.bbox.x;
uint _1353 = atomic_fetch_min_explicit((device atomic_uint*)&v_111.memory[bbox_out_ix], round_down(param_29), memory_order_relaxed);
float param_30 = m.bbox.y;
uint _1361 = atomic_fetch_min_explicit((device atomic_uint*)&v_111.memory[bbox_out_ix + 1u], round_down(param_30), memory_order_relaxed);
float param_31 = m.bbox.z;
uint _1369 = atomic_fetch_max_explicit((device atomic_uint*)&v_111.memory[bbox_out_ix + 2u], round_up(param_31), memory_order_relaxed);
float param_32 = m.bbox.w;
uint _1377 = atomic_fetch_max_explicit((device atomic_uint*)&v_111.memory[bbox_out_ix + 3u], round_up(param_32), memory_order_relaxed);
}
bbox_out_ix += 6u;
}
}
}

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piet-gpu/shader/gen/pathtag_reduce.dxil generated
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piet-gpu/shader/gen/pathtag_reduce.hlsl generated
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@ -1,138 +0,0 @@
struct TagMonoid
{
uint trans_ix;
uint linewidth_ix;
uint pathseg_ix;
uint path_ix;
uint pathseg_offset;
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(128u, 1u, 1u);
ByteAddressBuffer _139 : register(t1, space0);
ByteAddressBuffer _151 : register(t2, space0);
RWByteAddressBuffer _238 : register(u3, space0);
RWByteAddressBuffer _258 : register(u0, space0);
static uint3 gl_WorkGroupID;
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_WorkGroupID : SV_GroupID;
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared TagMonoid sh_scratch[128];
TagMonoid reduce_tag(uint tag_word)
{
uint point_count = tag_word & 50529027u;
TagMonoid c;
c.pathseg_ix = uint(int(countbits((point_count * 7u) & 67372036u)));
c.linewidth_ix = uint(int(countbits(tag_word & 1077952576u)));
c.path_ix = uint(int(countbits(tag_word & 269488144u)));
c.trans_ix = uint(int(countbits(tag_word & 538976288u)));
uint n_points = point_count + ((tag_word >> uint(2)) & 16843009u);
uint a = n_points + (n_points & (((tag_word >> uint(3)) & 16843009u) * 15u));
a += (a >> uint(8));
a += (a >> uint(16));
c.pathseg_offset = a & 255u;
return c;
}
TagMonoid combine_tag_monoid(TagMonoid a, TagMonoid b)
{
TagMonoid c;
c.trans_ix = a.trans_ix + b.trans_ix;
c.linewidth_ix = a.linewidth_ix + b.linewidth_ix;
c.pathseg_ix = a.pathseg_ix + b.pathseg_ix;
c.path_ix = a.path_ix + b.path_ix;
c.pathseg_offset = a.pathseg_offset + b.pathseg_offset;
return c;
}
void comp_main()
{
uint ix = gl_GlobalInvocationID.x * 2u;
uint scene_ix = (_139.Load(92) >> uint(2)) + ix;
uint tag_word = _151.Load(scene_ix * 4 + 0);
uint param = tag_word;
TagMonoid agg = reduce_tag(param);
for (uint i = 1u; i < 2u; i++)
{
tag_word = _151.Load((scene_ix + i) * 4 + 0);
uint param_1 = tag_word;
TagMonoid param_2 = agg;
TagMonoid param_3 = reduce_tag(param_1);
agg = combine_tag_monoid(param_2, param_3);
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 7u; i_1++)
{
GroupMemoryBarrierWithGroupSync();
if ((gl_LocalInvocationID.x + (1u << i_1)) < 128u)
{
TagMonoid other = sh_scratch[gl_LocalInvocationID.x + (1u << i_1)];
TagMonoid param_4 = agg;
TagMonoid param_5 = other;
agg = combine_tag_monoid(param_4, param_5);
}
GroupMemoryBarrierWithGroupSync();
sh_scratch[gl_LocalInvocationID.x] = agg;
}
if (gl_LocalInvocationID.x == 0u)
{
_238.Store(gl_WorkGroupID.x * 20 + 0, agg.trans_ix);
_238.Store(gl_WorkGroupID.x * 20 + 4, agg.linewidth_ix);
_238.Store(gl_WorkGroupID.x * 20 + 8, agg.pathseg_ix);
_238.Store(gl_WorkGroupID.x * 20 + 12, agg.path_ix);
_238.Store(gl_WorkGroupID.x * 20 + 16, agg.pathseg_offset);
}
}
[numthreads(128, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_WorkGroupID = stage_input.gl_WorkGroupID;
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

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piet-gpu/shader/gen/pathtag_reduce.msl generated
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#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct TagMonoid
{
uint trans_ix;
uint linewidth_ix;
uint pathseg_ix;
uint path_ix;
uint pathseg_offset;
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
struct SceneBuf
{
uint scene[1];
};
struct TagMonoid_1
{
uint trans_ix;
uint linewidth_ix;
uint pathseg_ix;
uint path_ix;
uint pathseg_offset;
};
struct OutBuf
{
TagMonoid_1 outbuf[1];
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(128u, 1u, 1u);
static inline __attribute__((always_inline))
TagMonoid reduce_tag(thread const uint& tag_word)
{
uint point_count = tag_word & 50529027u;
TagMonoid c;
c.pathseg_ix = uint(int(popcount((point_count * 7u) & 67372036u)));
c.linewidth_ix = uint(int(popcount(tag_word & 1077952576u)));
c.path_ix = uint(int(popcount(tag_word & 269488144u)));
c.trans_ix = uint(int(popcount(tag_word & 538976288u)));
uint n_points = point_count + ((tag_word >> uint(2)) & 16843009u);
uint a = n_points + (n_points & (((tag_word >> uint(3)) & 16843009u) * 15u));
a += (a >> uint(8));
a += (a >> uint(16));
c.pathseg_offset = a & 255u;
return c;
}
static inline __attribute__((always_inline))
TagMonoid combine_tag_monoid(thread const TagMonoid& a, thread const TagMonoid& b)
{
TagMonoid c;
c.trans_ix = a.trans_ix + b.trans_ix;
c.linewidth_ix = a.linewidth_ix + b.linewidth_ix;
c.pathseg_ix = a.pathseg_ix + b.pathseg_ix;
c.path_ix = a.path_ix + b.path_ix;
c.pathseg_offset = a.pathseg_offset + b.pathseg_offset;
return c;
}
kernel void main0(const device ConfigBuf& _139 [[buffer(1)]], const device SceneBuf& _151 [[buffer(2)]], device OutBuf& _238 [[buffer(3)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]], uint3 gl_WorkGroupID [[threadgroup_position_in_grid]])
{
threadgroup TagMonoid sh_scratch[128];
uint ix = gl_GlobalInvocationID.x * 2u;
uint scene_ix = (_139.conf.pathtag_offset >> uint(2)) + ix;
uint tag_word = _151.scene[scene_ix];
uint param = tag_word;
TagMonoid agg = reduce_tag(param);
for (uint i = 1u; i < 2u; i++)
{
tag_word = _151.scene[scene_ix + i];
uint param_1 = tag_word;
TagMonoid param_2 = agg;
TagMonoid param_3 = reduce_tag(param_1);
agg = combine_tag_monoid(param_2, param_3);
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 7u; i_1++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if ((gl_LocalInvocationID.x + (1u << i_1)) < 128u)
{
TagMonoid other = sh_scratch[gl_LocalInvocationID.x + (1u << i_1)];
TagMonoid param_4 = agg;
TagMonoid param_5 = other;
agg = combine_tag_monoid(param_4, param_5);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_scratch[gl_LocalInvocationID.x] = agg;
}
if (gl_LocalInvocationID.x == 0u)
{
_238.outbuf[gl_WorkGroupID.x].trans_ix = agg.trans_ix;
_238.outbuf[gl_WorkGroupID.x].linewidth_ix = agg.linewidth_ix;
_238.outbuf[gl_WorkGroupID.x].pathseg_ix = agg.pathseg_ix;
_238.outbuf[gl_WorkGroupID.x].path_ix = agg.path_ix;
_238.outbuf[gl_WorkGroupID.x].pathseg_offset = agg.pathseg_offset;
}
}

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piet-gpu/shader/gen/pathtag_reduce.spv generated
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piet-gpu/shader/gen/pathtag_root.dxil generated
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piet-gpu/shader/gen/pathtag_root.hlsl generated
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struct TagMonoid
{
uint trans_ix;
uint linewidth_ix;
uint pathseg_ix;
uint path_ix;
uint pathseg_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
static const TagMonoid _18 = { 0u, 0u, 0u, 0u, 0u };
RWByteAddressBuffer _78 : register(u0, space0);
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared TagMonoid sh_scratch[256];
TagMonoid combine_tag_monoid(TagMonoid a, TagMonoid b)
{
TagMonoid c;
c.trans_ix = a.trans_ix + b.trans_ix;
c.linewidth_ix = a.linewidth_ix + b.linewidth_ix;
c.pathseg_ix = a.pathseg_ix + b.pathseg_ix;
c.path_ix = a.path_ix + b.path_ix;
c.pathseg_offset = a.pathseg_offset + b.pathseg_offset;
return c;
}
TagMonoid tag_monoid_identity()
{
return _18;
}
void comp_main()
{
uint ix = gl_GlobalInvocationID.x * 8u;
TagMonoid _82;
_82.trans_ix = _78.Load(ix * 20 + 0);
_82.linewidth_ix = _78.Load(ix * 20 + 4);
_82.pathseg_ix = _78.Load(ix * 20 + 8);
_82.path_ix = _78.Load(ix * 20 + 12);
_82.pathseg_offset = _78.Load(ix * 20 + 16);
TagMonoid local[8];
local[0].trans_ix = _82.trans_ix;
local[0].linewidth_ix = _82.linewidth_ix;
local[0].pathseg_ix = _82.pathseg_ix;
local[0].path_ix = _82.path_ix;
local[0].pathseg_offset = _82.pathseg_offset;
TagMonoid param_1;
for (uint i = 1u; i < 8u; i++)
{
TagMonoid param = local[i - 1u];
TagMonoid _115;
_115.trans_ix = _78.Load((ix + i) * 20 + 0);
_115.linewidth_ix = _78.Load((ix + i) * 20 + 4);
_115.pathseg_ix = _78.Load((ix + i) * 20 + 8);
_115.path_ix = _78.Load((ix + i) * 20 + 12);
_115.pathseg_offset = _78.Load((ix + i) * 20 + 16);
param_1.trans_ix = _115.trans_ix;
param_1.linewidth_ix = _115.linewidth_ix;
param_1.pathseg_ix = _115.pathseg_ix;
param_1.path_ix = _115.path_ix;
param_1.pathseg_offset = _115.pathseg_offset;
local[i] = combine_tag_monoid(param, param_1);
}
TagMonoid agg = local[7];
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
GroupMemoryBarrierWithGroupSync();
if (gl_LocalInvocationID.x >= (1u << i_1))
{
TagMonoid other = sh_scratch[gl_LocalInvocationID.x - (1u << i_1)];
TagMonoid param_2 = other;
TagMonoid param_3 = agg;
agg = combine_tag_monoid(param_2, param_3);
}
GroupMemoryBarrierWithGroupSync();
sh_scratch[gl_LocalInvocationID.x] = agg;
}
GroupMemoryBarrierWithGroupSync();
TagMonoid row = tag_monoid_identity();
if (gl_LocalInvocationID.x > 0u)
{
row = sh_scratch[gl_LocalInvocationID.x - 1u];
}
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
TagMonoid param_4 = row;
TagMonoid param_5 = local[i_2];
TagMonoid m = combine_tag_monoid(param_4, param_5);
uint _210 = ix + i_2;
_78.Store(_210 * 20 + 0, m.trans_ix);
_78.Store(_210 * 20 + 4, m.linewidth_ix);
_78.Store(_210 * 20 + 8, m.pathseg_ix);
_78.Store(_210 * 20 + 12, m.path_ix);
_78.Store(_210 * 20 + 16, m.pathseg_offset);
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

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piet-gpu/shader/gen/pathtag_root.msl generated
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#pragma clang diagnostic ignored "-Wmissing-prototypes"
#pragma clang diagnostic ignored "-Wmissing-braces"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
template<typename T, size_t Num>
struct spvUnsafeArray
{
T elements[Num ? Num : 1];
thread T& operator [] (size_t pos) thread
{
return elements[pos];
}
constexpr const thread T& operator [] (size_t pos) const thread
{
return elements[pos];
}
device T& operator [] (size_t pos) device
{
return elements[pos];
}
constexpr const device T& operator [] (size_t pos) const device
{
return elements[pos];
}
constexpr const constant T& operator [] (size_t pos) const constant
{
return elements[pos];
}
threadgroup T& operator [] (size_t pos) threadgroup
{
return elements[pos];
}
constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
{
return elements[pos];
}
};
struct TagMonoid
{
uint trans_ix;
uint linewidth_ix;
uint pathseg_ix;
uint path_ix;
uint pathseg_offset;
};
struct TagMonoid_1
{
uint trans_ix;
uint linewidth_ix;
uint pathseg_ix;
uint path_ix;
uint pathseg_offset;
};
struct DataBuf
{
TagMonoid_1 data[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
TagMonoid combine_tag_monoid(thread const TagMonoid& a, thread const TagMonoid& b)
{
TagMonoid c;
c.trans_ix = a.trans_ix + b.trans_ix;
c.linewidth_ix = a.linewidth_ix + b.linewidth_ix;
c.pathseg_ix = a.pathseg_ix + b.pathseg_ix;
c.path_ix = a.path_ix + b.path_ix;
c.pathseg_offset = a.pathseg_offset + b.pathseg_offset;
return c;
}
static inline __attribute__((always_inline))
TagMonoid tag_monoid_identity()
{
return TagMonoid{ 0u, 0u, 0u, 0u, 0u };
}
kernel void main0(device DataBuf& _78 [[buffer(0)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]])
{
threadgroup TagMonoid sh_scratch[256];
uint ix = gl_GlobalInvocationID.x * 8u;
spvUnsafeArray<TagMonoid, 8> local;
local[0].trans_ix = _78.data[ix].trans_ix;
local[0].linewidth_ix = _78.data[ix].linewidth_ix;
local[0].pathseg_ix = _78.data[ix].pathseg_ix;
local[0].path_ix = _78.data[ix].path_ix;
local[0].pathseg_offset = _78.data[ix].pathseg_offset;
TagMonoid param_1;
for (uint i = 1u; i < 8u; i++)
{
uint _109 = ix + i;
TagMonoid param = local[i - 1u];
param_1.trans_ix = _78.data[_109].trans_ix;
param_1.linewidth_ix = _78.data[_109].linewidth_ix;
param_1.pathseg_ix = _78.data[_109].pathseg_ix;
param_1.path_ix = _78.data[_109].path_ix;
param_1.pathseg_offset = _78.data[_109].pathseg_offset;
local[i] = combine_tag_monoid(param, param_1);
}
TagMonoid agg = local[7];
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if (gl_LocalInvocationID.x >= (1u << i_1))
{
TagMonoid other = sh_scratch[gl_LocalInvocationID.x - (1u << i_1)];
TagMonoid param_2 = other;
TagMonoid param_3 = agg;
agg = combine_tag_monoid(param_2, param_3);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_scratch[gl_LocalInvocationID.x] = agg;
}
threadgroup_barrier(mem_flags::mem_threadgroup);
TagMonoid row = tag_monoid_identity();
if (gl_LocalInvocationID.x > 0u)
{
row = sh_scratch[gl_LocalInvocationID.x - 1u];
}
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
TagMonoid param_4 = row;
TagMonoid param_5 = local[i_2];
TagMonoid m = combine_tag_monoid(param_4, param_5);
uint _210 = ix + i_2;
_78.data[_210].trans_ix = m.trans_ix;
_78.data[_210].linewidth_ix = m.linewidth_ix;
_78.data[_210].pathseg_ix = m.pathseg_ix;
_78.data[_210].path_ix = m.path_ix;
_78.data[_210].pathseg_offset = m.pathseg_offset;
}
}

BIN
piet-gpu/shader/gen/pathtag_root.spv generated
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BIN
piet-gpu/shader/gen/tile_alloc.dxil generated
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264
piet-gpu/shader/gen/tile_alloc.hlsl generated
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@ -1,264 +0,0 @@
struct Alloc
{
uint offset;
};
struct MallocResult
{
Alloc alloc;
bool failed;
};
struct PathRef
{
uint offset;
};
struct TileRef
{
uint offset;
};
struct Path
{
uint4 bbox;
TileRef tiles;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
RWByteAddressBuffer _70 : register(u0, space0);
ByteAddressBuffer _181 : register(t1, space0);
ByteAddressBuffer _257 : register(t2, space0);
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared uint sh_tile_count[256];
groupshared MallocResult sh_tile_alloc;
float4 load_draw_bbox(uint draw_ix)
{
uint base = (_181.Load(64) >> uint(2)) + (4u * draw_ix);
float x0 = asfloat(_70.Load(base * 4 + 8));
float y0 = asfloat(_70.Load((base + 1u) * 4 + 8));
float x1 = asfloat(_70.Load((base + 2u) * 4 + 8));
float y1 = asfloat(_70.Load((base + 3u) * 4 + 8));
float4 bbox = float4(x0, y0, x1, y1);
return bbox;
}
Alloc new_alloc(uint offset, uint size, bool mem_ok)
{
Alloc a;
a.offset = offset;
return a;
}
MallocResult malloc(uint size)
{
uint _76;
_70.InterlockedAdd(0, size, _76);
uint offset = _76;
uint _83;
_70.GetDimensions(_83);
_83 = (_83 - 8) / 4;
MallocResult r;
r.failed = (offset + size) > uint(int(_83) * 4);
uint param = offset;
uint param_1 = size;
bool param_2 = !r.failed;
r.alloc = new_alloc(param, param_1, param_2);
if (r.failed)
{
uint _105;
_70.InterlockedMax(4, 1u, _105);
return r;
}
return r;
}
Alloc slice_mem(Alloc a, uint offset, uint size)
{
Alloc _131 = { a.offset + offset };
return _131;
}
bool touch_mem(Alloc alloc, uint offset)
{
return true;
}
void write_mem(Alloc alloc, uint offset, uint val)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
_70.Store(offset * 4 + 8, val);
}
void Path_write(Alloc a, PathRef ref, Path s)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint param_2 = s.bbox.x | (s.bbox.y << uint(16));
write_mem(param, param_1, param_2);
Alloc param_3 = a;
uint param_4 = ix + 1u;
uint param_5 = s.bbox.z | (s.bbox.w << uint(16));
write_mem(param_3, param_4, param_5);
Alloc param_6 = a;
uint param_7 = ix + 2u;
uint param_8 = s.tiles.offset;
write_mem(param_6, param_7, param_8);
}
void comp_main()
{
uint th_ix = gl_LocalInvocationID.x;
uint element_ix = gl_GlobalInvocationID.x;
PathRef _241 = { _181.Load(16) + (element_ix * 12u) };
PathRef path_ref = _241;
uint drawtag_base = _181.Load(100) >> uint(2);
uint drawtag = 0u;
if (element_ix < _181.Load(0))
{
drawtag = _257.Load((drawtag_base + element_ix) * 4 + 0);
}
int x0 = 0;
int y0 = 0;
int x1 = 0;
int y1 = 0;
if ((drawtag != 0u) && (drawtag != 37u))
{
uint param = element_ix;
float4 bbox = load_draw_bbox(param);
x0 = int(floor(bbox.x * 0.0625f));
y0 = int(floor(bbox.y * 0.0625f));
x1 = int(ceil(bbox.z * 0.0625f));
y1 = int(ceil(bbox.w * 0.0625f));
}
x0 = clamp(x0, 0, int(_181.Load(8)));
y0 = clamp(y0, 0, int(_181.Load(12)));
x1 = clamp(x1, 0, int(_181.Load(8)));
y1 = clamp(y1, 0, int(_181.Load(12)));
Path path;
path.bbox = uint4(uint(x0), uint(y0), uint(x1), uint(y1));
uint tile_count = uint((x1 - x0) * (y1 - y0));
sh_tile_count[th_ix] = tile_count;
uint total_tile_count = tile_count;
for (uint i = 0u; i < 8u; i++)
{
GroupMemoryBarrierWithGroupSync();
if (th_ix >= (1u << i))
{
total_tile_count += sh_tile_count[th_ix - (1u << i)];
}
GroupMemoryBarrierWithGroupSync();
sh_tile_count[th_ix] = total_tile_count;
}
if (th_ix == 255u)
{
uint param_1 = total_tile_count * 8u;
MallocResult _392 = malloc(param_1);
sh_tile_alloc = _392;
}
GroupMemoryBarrierWithGroupSync();
MallocResult alloc_start = sh_tile_alloc;
bool _403;
if (!alloc_start.failed)
{
_403 = _70.Load(4) != 0u;
}
else
{
_403 = alloc_start.failed;
}
if (_403)
{
return;
}
if (element_ix < _181.Load(0))
{
uint _416;
if (th_ix > 0u)
{
_416 = sh_tile_count[th_ix - 1u];
}
else
{
_416 = 0u;
}
uint tile_subix = _416;
Alloc param_2 = alloc_start.alloc;
uint param_3 = 8u * tile_subix;
uint param_4 = 8u * tile_count;
Alloc tiles_alloc = slice_mem(param_2, param_3, param_4);
TileRef _438 = { tiles_alloc.offset };
path.tiles = _438;
Alloc _444;
_444.offset = _181.Load(16);
Alloc param_5;
param_5.offset = _444.offset;
PathRef param_6 = path_ref;
Path param_7 = path;
Path_write(param_5, param_6, param_7);
}
uint total_count = sh_tile_count[255] * 2u;
uint start_ix = alloc_start.alloc.offset >> uint(2);
for (uint i_1 = th_ix; i_1 < total_count; i_1 += 256u)
{
Alloc param_8 = alloc_start.alloc;
uint param_9 = start_ix + i_1;
uint param_10 = 0u;
write_mem(param_8, param_9, param_10);
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

273
piet-gpu/shader/gen/tile_alloc.msl generated
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@ -1,273 +0,0 @@
#pragma clang diagnostic ignored "-Wmissing-prototypes"
#pragma clang diagnostic ignored "-Wunused-variable"
#include <metal_stdlib>
#include <simd/simd.h>
#include <metal_atomic>
using namespace metal;
struct Alloc
{
uint offset;
};
struct MallocResult
{
Alloc alloc;
bool failed;
};
struct PathRef
{
uint offset;
};
struct TileRef
{
uint offset;
};
struct Path
{
uint4 bbox;
TileRef tiles;
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
struct Alloc_1
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc_1 tile_alloc;
Alloc_1 bin_alloc;
Alloc_1 ptcl_alloc;
Alloc_1 pathseg_alloc;
Alloc_1 anno_alloc;
Alloc_1 trans_alloc;
Alloc_1 path_bbox_alloc;
Alloc_1 drawmonoid_alloc;
Alloc_1 clip_alloc;
Alloc_1 clip_bic_alloc;
Alloc_1 clip_stack_alloc;
Alloc_1 clip_bbox_alloc;
Alloc_1 draw_bbox_alloc;
Alloc_1 drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
struct SceneBuf
{
uint scene[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
float4 load_draw_bbox(thread const uint& draw_ix, device Memory& v_70, constant uint& v_70BufferSize, const device ConfigBuf& v_181)
{
uint base = (v_181.conf.draw_bbox_alloc.offset >> uint(2)) + (4u * draw_ix);
float x0 = as_type<float>(v_70.memory[base]);
float y0 = as_type<float>(v_70.memory[base + 1u]);
float x1 = as_type<float>(v_70.memory[base + 2u]);
float y1 = as_type<float>(v_70.memory[base + 3u]);
float4 bbox = float4(x0, y0, x1, y1);
return bbox;
}
static inline __attribute__((always_inline))
Alloc new_alloc(thread const uint& offset, thread const uint& size, thread const bool& mem_ok)
{
Alloc a;
a.offset = offset;
return a;
}
static inline __attribute__((always_inline))
MallocResult malloc(thread const uint& size, device Memory& v_70, constant uint& v_70BufferSize)
{
uint _76 = atomic_fetch_add_explicit((device atomic_uint*)&v_70.mem_offset, size, memory_order_relaxed);
uint offset = _76;
MallocResult r;
r.failed = (offset + size) > uint(int((v_70BufferSize - 8) / 4) * 4);
uint param = offset;
uint param_1 = size;
bool param_2 = !r.failed;
r.alloc = new_alloc(param, param_1, param_2);
if (r.failed)
{
uint _105 = atomic_fetch_max_explicit((device atomic_uint*)&v_70.mem_error, 1u, memory_order_relaxed);
return r;
}
return r;
}
static inline __attribute__((always_inline))
Alloc slice_mem(thread const Alloc& a, thread const uint& offset, thread const uint& size)
{
return Alloc{ a.offset + offset };
}
static inline __attribute__((always_inline))
bool touch_mem(thread const Alloc& alloc, thread const uint& offset)
{
return true;
}
static inline __attribute__((always_inline))
void write_mem(thread const Alloc& alloc, thread const uint& offset, thread const uint& val, device Memory& v_70, constant uint& v_70BufferSize)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
v_70.memory[offset] = val;
}
static inline __attribute__((always_inline))
void Path_write(thread const Alloc& a, thread const PathRef& ref, thread const Path& s, device Memory& v_70, constant uint& v_70BufferSize)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint param_2 = s.bbox.x | (s.bbox.y << uint(16));
write_mem(param, param_1, param_2, v_70, v_70BufferSize);
Alloc param_3 = a;
uint param_4 = ix + 1u;
uint param_5 = s.bbox.z | (s.bbox.w << uint(16));
write_mem(param_3, param_4, param_5, v_70, v_70BufferSize);
Alloc param_6 = a;
uint param_7 = ix + 2u;
uint param_8 = s.tiles.offset;
write_mem(param_6, param_7, param_8, v_70, v_70BufferSize);
}
kernel void main0(constant uint* spvBufferSizeConstants [[buffer(25)]], device Memory& v_70 [[buffer(0)]], const device ConfigBuf& v_181 [[buffer(1)]], const device SceneBuf& _257 [[buffer(2)]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
threadgroup uint sh_tile_count[256];
threadgroup MallocResult sh_tile_alloc;
constant uint& v_70BufferSize = spvBufferSizeConstants[0];
uint th_ix = gl_LocalInvocationID.x;
uint element_ix = gl_GlobalInvocationID.x;
PathRef path_ref = PathRef{ v_181.conf.tile_alloc.offset + (element_ix * 12u) };
uint drawtag_base = v_181.conf.drawtag_offset >> uint(2);
uint drawtag = 0u;
if (element_ix < v_181.conf.n_elements)
{
drawtag = _257.scene[drawtag_base + element_ix];
}
int x0 = 0;
int y0 = 0;
int x1 = 0;
int y1 = 0;
if ((drawtag != 0u) && (drawtag != 37u))
{
uint param = element_ix;
float4 bbox = load_draw_bbox(param, v_70, v_70BufferSize, v_181);
x0 = int(floor(bbox.x * 0.0625));
y0 = int(floor(bbox.y * 0.0625));
x1 = int(ceil(bbox.z * 0.0625));
y1 = int(ceil(bbox.w * 0.0625));
}
x0 = clamp(x0, 0, int(v_181.conf.width_in_tiles));
y0 = clamp(y0, 0, int(v_181.conf.height_in_tiles));
x1 = clamp(x1, 0, int(v_181.conf.width_in_tiles));
y1 = clamp(y1, 0, int(v_181.conf.height_in_tiles));
Path path;
path.bbox = uint4(uint(x0), uint(y0), uint(x1), uint(y1));
uint tile_count = uint((x1 - x0) * (y1 - y0));
sh_tile_count[th_ix] = tile_count;
uint total_tile_count = tile_count;
for (uint i = 0u; i < 8u; i++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if (th_ix >= (1u << i))
{
total_tile_count += sh_tile_count[th_ix - (1u << i)];
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_tile_count[th_ix] = total_tile_count;
}
if (th_ix == 255u)
{
uint param_1 = total_tile_count * 8u;
MallocResult _392 = malloc(param_1, v_70, v_70BufferSize);
sh_tile_alloc = _392;
}
threadgroup_barrier(mem_flags::mem_threadgroup);
MallocResult alloc_start = sh_tile_alloc;
bool _403;
if (!alloc_start.failed)
{
_403 = v_70.mem_error != 0u;
}
else
{
_403 = alloc_start.failed;
}
if (_403)
{
return;
}
if (element_ix < v_181.conf.n_elements)
{
uint _416;
if (th_ix > 0u)
{
_416 = sh_tile_count[th_ix - 1u];
}
else
{
_416 = 0u;
}
uint tile_subix = _416;
Alloc param_2 = alloc_start.alloc;
uint param_3 = 8u * tile_subix;
uint param_4 = 8u * tile_count;
Alloc tiles_alloc = slice_mem(param_2, param_3, param_4);
path.tiles = TileRef{ tiles_alloc.offset };
Alloc param_5;
param_5.offset = v_181.conf.tile_alloc.offset;
PathRef param_6 = path_ref;
Path param_7 = path;
Path_write(param_5, param_6, param_7, v_70, v_70BufferSize);
}
uint total_count = sh_tile_count[255] * 2u;
uint start_ix = alloc_start.alloc.offset >> uint(2);
for (uint i_1 = th_ix; i_1 < total_count; i_1 += 256u)
{
Alloc param_8 = alloc_start.alloc;
uint param_9 = start_ix + i_1;
uint param_10 = 0u;
write_mem(param_8, param_9, param_10, v_70, v_70BufferSize);
}
}

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piet-gpu/shader/gen/tile_alloc.spv generated
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piet-gpu/shader/gen/transform_leaf.dxil generated
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piet-gpu/shader/gen/transform_leaf.hlsl generated
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struct Alloc
{
uint offset;
};
struct TransformRef
{
uint offset;
};
struct Transform
{
float4 mat;
float2 translate;
};
struct TransformSegRef
{
uint offset;
};
struct TransformSeg
{
float4 mat;
float2 translate;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
static const Transform _224 = { float4(1.0f, 0.0f, 0.0f, 1.0f), 0.0f.xx };
RWByteAddressBuffer _71 : register(u0, space0);
ByteAddressBuffer _96 : register(t2, space0);
ByteAddressBuffer _278 : register(t1, space0);
ByteAddressBuffer _376 : register(t3, space0);
static uint3 gl_WorkGroupID;
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_WorkGroupID : SV_GroupID;
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared Transform sh_scratch[256];
Transform Transform_read(TransformRef ref)
{
uint ix = ref.offset >> uint(2);
uint raw0 = _96.Load((ix + 0u) * 4 + 0);
uint raw1 = _96.Load((ix + 1u) * 4 + 0);
uint raw2 = _96.Load((ix + 2u) * 4 + 0);
uint raw3 = _96.Load((ix + 3u) * 4 + 0);
uint raw4 = _96.Load((ix + 4u) * 4 + 0);
uint raw5 = _96.Load((ix + 5u) * 4 + 0);
Transform s;
s.mat = float4(asfloat(raw0), asfloat(raw1), asfloat(raw2), asfloat(raw3));
s.translate = float2(asfloat(raw4), asfloat(raw5));
return s;
}
TransformRef Transform_index(TransformRef ref, uint index)
{
TransformRef _85 = { ref.offset + (index * 24u) };
return _85;
}
Transform combine_monoid(Transform a, Transform b)
{
Transform c;
c.mat = (a.mat.xyxy * b.mat.xxzz) + (a.mat.zwzw * b.mat.yyww);
c.translate = ((a.mat.xy * b.translate.x) + (a.mat.zw * b.translate.y)) + a.translate;
return c;
}
Transform monoid_identity()
{
return _224;
}
bool touch_mem(Alloc alloc, uint offset)
{
return true;
}
void write_mem(Alloc alloc, uint offset, uint val)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
_71.Store(offset * 4 + 8, val);
}
void TransformSeg_write(Alloc a, TransformSegRef ref, TransformSeg s)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint param_2 = asuint(s.mat.x);
write_mem(param, param_1, param_2);
Alloc param_3 = a;
uint param_4 = ix + 1u;
uint param_5 = asuint(s.mat.y);
write_mem(param_3, param_4, param_5);
Alloc param_6 = a;
uint param_7 = ix + 2u;
uint param_8 = asuint(s.mat.z);
write_mem(param_6, param_7, param_8);
Alloc param_9 = a;
uint param_10 = ix + 3u;
uint param_11 = asuint(s.mat.w);
write_mem(param_9, param_10, param_11);
Alloc param_12 = a;
uint param_13 = ix + 4u;
uint param_14 = asuint(s.translate.x);
write_mem(param_12, param_13, param_14);
Alloc param_15 = a;
uint param_16 = ix + 5u;
uint param_17 = asuint(s.translate.y);
write_mem(param_15, param_16, param_17);
}
void comp_main()
{
uint ix = gl_GlobalInvocationID.x * 8u;
TransformRef _285 = { _278.Load(84) + (ix * 24u) };
TransformRef ref = _285;
TransformRef param = ref;
Transform agg = Transform_read(param);
Transform local[8];
local[0] = agg;
for (uint i = 1u; i < 8u; i++)
{
TransformRef param_1 = ref;
uint param_2 = i;
TransformRef param_3 = Transform_index(param_1, param_2);
Transform param_4 = agg;
Transform param_5 = Transform_read(param_3);
agg = combine_monoid(param_4, param_5);
local[i] = agg;
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
GroupMemoryBarrierWithGroupSync();
if (gl_LocalInvocationID.x >= (1u << i_1))
{
Transform other = sh_scratch[gl_LocalInvocationID.x - (1u << i_1)];
Transform param_6 = other;
Transform param_7 = agg;
agg = combine_monoid(param_6, param_7);
}
GroupMemoryBarrierWithGroupSync();
sh_scratch[gl_LocalInvocationID.x] = agg;
}
GroupMemoryBarrierWithGroupSync();
Transform row = monoid_identity();
if (gl_WorkGroupID.x > 0u)
{
Transform _382;
_382.mat = asfloat(_376.Load4((gl_WorkGroupID.x - 1u) * 32 + 0));
_382.translate = asfloat(_376.Load2((gl_WorkGroupID.x - 1u) * 32 + 16));
row.mat = _382.mat;
row.translate = _382.translate;
}
if (gl_LocalInvocationID.x > 0u)
{
Transform param_8 = row;
Transform param_9 = sh_scratch[gl_LocalInvocationID.x - 1u];
row = combine_monoid(param_8, param_9);
}
Alloc param_12;
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
Transform param_10 = row;
Transform param_11 = local[i_2];
Transform m = combine_monoid(param_10, param_11);
TransformSeg _422 = { m.mat, m.translate };
TransformSeg transform = _422;
TransformSegRef _432 = { _278.Load(36) + ((ix + i_2) * 24u) };
TransformSegRef trans_ref = _432;
Alloc _436;
_436.offset = _278.Load(36);
param_12.offset = _436.offset;
TransformSegRef param_13 = trans_ref;
TransformSeg param_14 = transform;
TransformSeg_write(param_12, param_13, param_14);
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_WorkGroupID = stage_input.gl_WorkGroupID;
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

287
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#pragma clang diagnostic ignored "-Wmissing-prototypes"
#pragma clang diagnostic ignored "-Wmissing-braces"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
template<typename T, size_t Num>
struct spvUnsafeArray
{
T elements[Num ? Num : 1];
thread T& operator [] (size_t pos) thread
{
return elements[pos];
}
constexpr const thread T& operator [] (size_t pos) const thread
{
return elements[pos];
}
device T& operator [] (size_t pos) device
{
return elements[pos];
}
constexpr const device T& operator [] (size_t pos) const device
{
return elements[pos];
}
constexpr const constant T& operator [] (size_t pos) const constant
{
return elements[pos];
}
threadgroup T& operator [] (size_t pos) threadgroup
{
return elements[pos];
}
constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
{
return elements[pos];
}
};
struct Alloc
{
uint offset;
};
struct TransformRef
{
uint offset;
};
struct Transform
{
float4 mat;
float2 translate;
};
struct TransformSegRef
{
uint offset;
};
struct TransformSeg
{
float4 mat;
float2 translate;
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
struct SceneBuf
{
uint scene[1];
};
struct Alloc_1
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc_1 tile_alloc;
Alloc_1 bin_alloc;
Alloc_1 ptcl_alloc;
Alloc_1 pathseg_alloc;
Alloc_1 anno_alloc;
Alloc_1 trans_alloc;
Alloc_1 path_bbox_alloc;
Alloc_1 drawmonoid_alloc;
Alloc_1 clip_alloc;
Alloc_1 clip_bic_alloc;
Alloc_1 clip_stack_alloc;
Alloc_1 clip_bbox_alloc;
Alloc_1 draw_bbox_alloc;
Alloc_1 drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
struct Transform_1
{
float4 mat;
float2 translate;
char _m0_final_padding[8];
};
struct ParentBuf
{
Transform_1 parent[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
Transform Transform_read(thread const TransformRef& ref, const device SceneBuf& v_96)
{
uint ix = ref.offset >> uint(2);
uint raw0 = v_96.scene[ix + 0u];
uint raw1 = v_96.scene[ix + 1u];
uint raw2 = v_96.scene[ix + 2u];
uint raw3 = v_96.scene[ix + 3u];
uint raw4 = v_96.scene[ix + 4u];
uint raw5 = v_96.scene[ix + 5u];
Transform s;
s.mat = float4(as_type<float>(raw0), as_type<float>(raw1), as_type<float>(raw2), as_type<float>(raw3));
s.translate = float2(as_type<float>(raw4), as_type<float>(raw5));
return s;
}
static inline __attribute__((always_inline))
TransformRef Transform_index(thread const TransformRef& ref, thread const uint& index)
{
return TransformRef{ ref.offset + (index * 24u) };
}
static inline __attribute__((always_inline))
Transform combine_monoid(thread const Transform& a, thread const Transform& b)
{
Transform c;
c.mat = (a.mat.xyxy * b.mat.xxzz) + (a.mat.zwzw * b.mat.yyww);
c.translate = ((a.mat.xy * b.translate.x) + (a.mat.zw * b.translate.y)) + a.translate;
return c;
}
static inline __attribute__((always_inline))
Transform monoid_identity()
{
return Transform{ float4(1.0, 0.0, 0.0, 1.0), float2(0.0) };
}
static inline __attribute__((always_inline))
bool touch_mem(thread const Alloc& alloc, thread const uint& offset)
{
return true;
}
static inline __attribute__((always_inline))
void write_mem(thread const Alloc& alloc, thread const uint& offset, thread const uint& val, device Memory& v_71)
{
Alloc param = alloc;
uint param_1 = offset;
if (!touch_mem(param, param_1))
{
return;
}
v_71.memory[offset] = val;
}
static inline __attribute__((always_inline))
void TransformSeg_write(thread const Alloc& a, thread const TransformSegRef& ref, thread const TransformSeg& s, device Memory& v_71)
{
uint ix = ref.offset >> uint(2);
Alloc param = a;
uint param_1 = ix + 0u;
uint param_2 = as_type<uint>(s.mat.x);
write_mem(param, param_1, param_2, v_71);
Alloc param_3 = a;
uint param_4 = ix + 1u;
uint param_5 = as_type<uint>(s.mat.y);
write_mem(param_3, param_4, param_5, v_71);
Alloc param_6 = a;
uint param_7 = ix + 2u;
uint param_8 = as_type<uint>(s.mat.z);
write_mem(param_6, param_7, param_8, v_71);
Alloc param_9 = a;
uint param_10 = ix + 3u;
uint param_11 = as_type<uint>(s.mat.w);
write_mem(param_9, param_10, param_11, v_71);
Alloc param_12 = a;
uint param_13 = ix + 4u;
uint param_14 = as_type<uint>(s.translate.x);
write_mem(param_12, param_13, param_14, v_71);
Alloc param_15 = a;
uint param_16 = ix + 5u;
uint param_17 = as_type<uint>(s.translate.y);
write_mem(param_15, param_16, param_17, v_71);
}
kernel void main0(device Memory& v_71 [[buffer(0)]], const device ConfigBuf& _278 [[buffer(1)]], const device SceneBuf& v_96 [[buffer(2)]], const device ParentBuf& _376 [[buffer(3)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]], uint3 gl_WorkGroupID [[threadgroup_position_in_grid]])
{
threadgroup Transform sh_scratch[256];
uint ix = gl_GlobalInvocationID.x * 8u;
TransformRef ref = TransformRef{ _278.conf.trans_offset + (ix * 24u) };
TransformRef param = ref;
Transform agg = Transform_read(param, v_96);
spvUnsafeArray<Transform, 8> local;
local[0] = agg;
for (uint i = 1u; i < 8u; i++)
{
TransformRef param_1 = ref;
uint param_2 = i;
TransformRef param_3 = Transform_index(param_1, param_2);
Transform param_4 = agg;
Transform param_5 = Transform_read(param_3, v_96);
agg = combine_monoid(param_4, param_5);
local[i] = agg;
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if (gl_LocalInvocationID.x >= (1u << i_1))
{
Transform other = sh_scratch[gl_LocalInvocationID.x - (1u << i_1)];
Transform param_6 = other;
Transform param_7 = agg;
agg = combine_monoid(param_6, param_7);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_scratch[gl_LocalInvocationID.x] = agg;
}
threadgroup_barrier(mem_flags::mem_threadgroup);
Transform row = monoid_identity();
if (gl_WorkGroupID.x > 0u)
{
uint _379 = gl_WorkGroupID.x - 1u;
row.mat = _376.parent[_379].mat;
row.translate = _376.parent[_379].translate;
}
if (gl_LocalInvocationID.x > 0u)
{
Transform param_8 = row;
Transform param_9 = sh_scratch[gl_LocalInvocationID.x - 1u];
row = combine_monoid(param_8, param_9);
}
Alloc param_12;
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
Transform param_10 = row;
Transform param_11 = local[i_2];
Transform m = combine_monoid(param_10, param_11);
TransformSeg transform = TransformSeg{ m.mat, m.translate };
TransformSegRef trans_ref = TransformSegRef{ _278.conf.trans_alloc.offset + ((ix + i_2) * 24u) };
param_12.offset = _278.conf.trans_alloc.offset;
TransformSegRef param_13 = trans_ref;
TransformSeg param_14 = transform;
TransformSeg_write(param_12, param_13, param_14, v_71);
}
}

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piet-gpu/shader/gen/transform_leaf.spv generated
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piet-gpu/shader/gen/transform_reduce.dxil generated
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piet-gpu/shader/gen/transform_reduce.hlsl generated
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struct TransformRef
{
uint offset;
};
struct Transform
{
float4 mat;
float2 translate;
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
ByteAddressBuffer _49 : register(t2, space0);
ByteAddressBuffer _161 : register(t1, space0);
RWByteAddressBuffer _250 : register(u3, space0);
RWByteAddressBuffer _266 : register(u0, space0);
static uint3 gl_WorkGroupID;
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_WorkGroupID : SV_GroupID;
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared Transform sh_scratch[256];
Transform Transform_read(TransformRef ref)
{
uint ix = ref.offset >> uint(2);
uint raw0 = _49.Load((ix + 0u) * 4 + 0);
uint raw1 = _49.Load((ix + 1u) * 4 + 0);
uint raw2 = _49.Load((ix + 2u) * 4 + 0);
uint raw3 = _49.Load((ix + 3u) * 4 + 0);
uint raw4 = _49.Load((ix + 4u) * 4 + 0);
uint raw5 = _49.Load((ix + 5u) * 4 + 0);
Transform s;
s.mat = float4(asfloat(raw0), asfloat(raw1), asfloat(raw2), asfloat(raw3));
s.translate = float2(asfloat(raw4), asfloat(raw5));
return s;
}
TransformRef Transform_index(TransformRef ref, uint index)
{
TransformRef _37 = { ref.offset + (index * 24u) };
return _37;
}
Transform combine_monoid(Transform a, Transform b)
{
Transform c;
c.mat = (a.mat.xyxy * b.mat.xxzz) + (a.mat.zwzw * b.mat.yyww);
c.translate = ((a.mat.xy * b.translate.x) + (a.mat.zw * b.translate.y)) + a.translate;
return c;
}
void comp_main()
{
uint ix = gl_GlobalInvocationID.x * 8u;
TransformRef _168 = { _161.Load(84) + (ix * 24u) };
TransformRef ref = _168;
TransformRef param = ref;
Transform agg = Transform_read(param);
for (uint i = 1u; i < 8u; i++)
{
TransformRef param_1 = ref;
uint param_2 = i;
TransformRef param_3 = Transform_index(param_1, param_2);
Transform param_4 = agg;
Transform param_5 = Transform_read(param_3);
agg = combine_monoid(param_4, param_5);
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
GroupMemoryBarrierWithGroupSync();
if ((gl_LocalInvocationID.x + (1u << i_1)) < 256u)
{
Transform other = sh_scratch[gl_LocalInvocationID.x + (1u << i_1)];
Transform param_6 = agg;
Transform param_7 = other;
agg = combine_monoid(param_6, param_7);
}
GroupMemoryBarrierWithGroupSync();
sh_scratch[gl_LocalInvocationID.x] = agg;
}
if (gl_LocalInvocationID.x == 0u)
{
_250.Store4(gl_WorkGroupID.x * 32 + 0, asuint(agg.mat));
_250.Store2(gl_WorkGroupID.x * 32 + 16, asuint(agg.translate));
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_WorkGroupID = stage_input.gl_WorkGroupID;
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

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#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct TransformRef
{
uint offset;
};
struct Transform
{
float4 mat;
float2 translate;
};
struct SceneBuf
{
uint scene[1];
};
struct Alloc
{
uint offset;
};
struct Config
{
uint n_elements;
uint n_pathseg;
uint width_in_tiles;
uint height_in_tiles;
Alloc tile_alloc;
Alloc bin_alloc;
Alloc ptcl_alloc;
Alloc pathseg_alloc;
Alloc anno_alloc;
Alloc trans_alloc;
Alloc path_bbox_alloc;
Alloc drawmonoid_alloc;
Alloc clip_alloc;
Alloc clip_bic_alloc;
Alloc clip_stack_alloc;
Alloc clip_bbox_alloc;
Alloc draw_bbox_alloc;
Alloc drawinfo_alloc;
uint n_trans;
uint n_path;
uint n_clip;
uint trans_offset;
uint linewidth_offset;
uint pathtag_offset;
uint pathseg_offset;
uint drawtag_offset;
uint drawdata_offset;
};
struct ConfigBuf
{
Config conf;
};
struct Transform_1
{
float4 mat;
float2 translate;
char _m0_final_padding[8];
};
struct OutBuf
{
Transform_1 outbuf[1];
};
struct Memory
{
uint mem_offset;
uint mem_error;
uint memory[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
Transform Transform_read(thread const TransformRef& ref, const device SceneBuf& v_49)
{
uint ix = ref.offset >> uint(2);
uint raw0 = v_49.scene[ix + 0u];
uint raw1 = v_49.scene[ix + 1u];
uint raw2 = v_49.scene[ix + 2u];
uint raw3 = v_49.scene[ix + 3u];
uint raw4 = v_49.scene[ix + 4u];
uint raw5 = v_49.scene[ix + 5u];
Transform s;
s.mat = float4(as_type<float>(raw0), as_type<float>(raw1), as_type<float>(raw2), as_type<float>(raw3));
s.translate = float2(as_type<float>(raw4), as_type<float>(raw5));
return s;
}
static inline __attribute__((always_inline))
TransformRef Transform_index(thread const TransformRef& ref, thread const uint& index)
{
return TransformRef{ ref.offset + (index * 24u) };
}
static inline __attribute__((always_inline))
Transform combine_monoid(thread const Transform& a, thread const Transform& b)
{
Transform c;
c.mat = (a.mat.xyxy * b.mat.xxzz) + (a.mat.zwzw * b.mat.yyww);
c.translate = ((a.mat.xy * b.translate.x) + (a.mat.zw * b.translate.y)) + a.translate;
return c;
}
kernel void main0(const device ConfigBuf& _161 [[buffer(1)]], const device SceneBuf& v_49 [[buffer(2)]], device OutBuf& _250 [[buffer(3)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]], uint3 gl_WorkGroupID [[threadgroup_position_in_grid]])
{
threadgroup Transform sh_scratch[256];
uint ix = gl_GlobalInvocationID.x * 8u;
TransformRef ref = TransformRef{ _161.conf.trans_offset + (ix * 24u) };
TransformRef param = ref;
Transform agg = Transform_read(param, v_49);
for (uint i = 1u; i < 8u; i++)
{
TransformRef param_1 = ref;
uint param_2 = i;
TransformRef param_3 = Transform_index(param_1, param_2);
Transform param_4 = agg;
Transform param_5 = Transform_read(param_3, v_49);
agg = combine_monoid(param_4, param_5);
}
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if ((gl_LocalInvocationID.x + (1u << i_1)) < 256u)
{
Transform other = sh_scratch[gl_LocalInvocationID.x + (1u << i_1)];
Transform param_6 = agg;
Transform param_7 = other;
agg = combine_monoid(param_6, param_7);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_scratch[gl_LocalInvocationID.x] = agg;
}
if (gl_LocalInvocationID.x == 0u)
{
_250.outbuf[gl_WorkGroupID.x].mat = agg.mat;
_250.outbuf[gl_WorkGroupID.x].translate = agg.translate;
}
}

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piet-gpu/shader/gen/transform_root.dxil generated
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piet-gpu/shader/gen/transform_root.hlsl generated
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struct Transform
{
float4 mat;
float2 translate;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
static const Transform _23 = { float4(1.0f, 0.0f, 0.0f, 1.0f), 0.0f.xx };
RWByteAddressBuffer _89 : register(u0, space0);
static uint3 gl_LocalInvocationID;
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_LocalInvocationID : SV_GroupThreadID;
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
groupshared Transform sh_scratch[256];
Transform combine_monoid(Transform a, Transform b)
{
Transform c;
c.mat = (a.mat.xyxy * b.mat.xxzz) + (a.mat.zwzw * b.mat.yyww);
c.translate = ((a.mat.xy * b.translate.x) + (a.mat.zw * b.translate.y)) + a.translate;
return c;
}
Transform monoid_identity()
{
return _23;
}
void comp_main()
{
uint ix = gl_GlobalInvocationID.x * 8u;
Transform _93;
_93.mat = asfloat(_89.Load4(ix * 32 + 0));
_93.translate = asfloat(_89.Load2(ix * 32 + 16));
Transform local[8];
local[0].mat = _93.mat;
local[0].translate = _93.translate;
Transform param_1;
for (uint i = 1u; i < 8u; i++)
{
Transform param = local[i - 1u];
Transform _119;
_119.mat = asfloat(_89.Load4((ix + i) * 32 + 0));
_119.translate = asfloat(_89.Load2((ix + i) * 32 + 16));
param_1.mat = _119.mat;
param_1.translate = _119.translate;
local[i] = combine_monoid(param, param_1);
}
Transform agg = local[7];
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
GroupMemoryBarrierWithGroupSync();
if (gl_LocalInvocationID.x >= (1u << i_1))
{
Transform other = sh_scratch[gl_LocalInvocationID.x - (1u << i_1)];
Transform param_2 = other;
Transform param_3 = agg;
agg = combine_monoid(param_2, param_3);
}
GroupMemoryBarrierWithGroupSync();
sh_scratch[gl_LocalInvocationID.x] = agg;
}
GroupMemoryBarrierWithGroupSync();
Transform row = monoid_identity();
if (gl_LocalInvocationID.x > 0u)
{
row = sh_scratch[gl_LocalInvocationID.x - 1u];
}
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
Transform param_4 = row;
Transform param_5 = local[i_2];
Transform m = combine_monoid(param_4, param_5);
uint _208 = ix + i_2;
_89.Store4(_208 * 32 + 0, asuint(m.mat));
_89.Store2(_208 * 32 + 16, asuint(m.translate));
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_LocalInvocationID = stage_input.gl_LocalInvocationID;
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

129
piet-gpu/shader/gen/transform_root.msl generated
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#pragma clang diagnostic ignored "-Wmissing-prototypes"
#pragma clang diagnostic ignored "-Wmissing-braces"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
template<typename T, size_t Num>
struct spvUnsafeArray
{
T elements[Num ? Num : 1];
thread T& operator [] (size_t pos) thread
{
return elements[pos];
}
constexpr const thread T& operator [] (size_t pos) const thread
{
return elements[pos];
}
device T& operator [] (size_t pos) device
{
return elements[pos];
}
constexpr const device T& operator [] (size_t pos) const device
{
return elements[pos];
}
constexpr const constant T& operator [] (size_t pos) const constant
{
return elements[pos];
}
threadgroup T& operator [] (size_t pos) threadgroup
{
return elements[pos];
}
constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
{
return elements[pos];
}
};
struct Transform
{
float4 mat;
float2 translate;
};
struct Transform_1
{
float4 mat;
float2 translate;
char _m0_final_padding[8];
};
struct DataBuf
{
Transform_1 data[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
Transform combine_monoid(thread const Transform& a, thread const Transform& b)
{
Transform c;
c.mat = (a.mat.xyxy * b.mat.xxzz) + (a.mat.zwzw * b.mat.yyww);
c.translate = ((a.mat.xy * b.translate.x) + (a.mat.zw * b.translate.y)) + a.translate;
return c;
}
static inline __attribute__((always_inline))
Transform monoid_identity()
{
return Transform{ float4(1.0, 0.0, 0.0, 1.0), float2(0.0) };
}
kernel void main0(device DataBuf& _89 [[buffer(0)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint3 gl_LocalInvocationID [[thread_position_in_threadgroup]])
{
threadgroup Transform sh_scratch[256];
uint ix = gl_GlobalInvocationID.x * 8u;
spvUnsafeArray<Transform, 8> local;
local[0].mat = _89.data[ix].mat;
local[0].translate = _89.data[ix].translate;
Transform param_1;
for (uint i = 1u; i < 8u; i++)
{
uint _113 = ix + i;
Transform param = local[i - 1u];
param_1.mat = _89.data[_113].mat;
param_1.translate = _89.data[_113].translate;
local[i] = combine_monoid(param, param_1);
}
Transform agg = local[7];
sh_scratch[gl_LocalInvocationID.x] = agg;
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
threadgroup_barrier(mem_flags::mem_threadgroup);
if (gl_LocalInvocationID.x >= (1u << i_1))
{
Transform other = sh_scratch[gl_LocalInvocationID.x - (1u << i_1)];
Transform param_2 = other;
Transform param_3 = agg;
agg = combine_monoid(param_2, param_3);
}
threadgroup_barrier(mem_flags::mem_threadgroup);
sh_scratch[gl_LocalInvocationID.x] = agg;
}
threadgroup_barrier(mem_flags::mem_threadgroup);
Transform row = monoid_identity();
if (gl_LocalInvocationID.x > 0u)
{
row = sh_scratch[gl_LocalInvocationID.x - 1u];
}
for (uint i_2 = 0u; i_2 < 8u; i_2++)
{
Transform param_4 = row;
Transform param_5 = local[i_2];
Transform m = combine_monoid(param_4, param_5);
uint _208 = ix + i_2;
_89.data[_208].mat = m.mat;
_89.data[_208].translate = m.translate;
}
}

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tests/shader/gen/clear.hlsl generated
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static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
ByteAddressBuffer _19 : register(t0);
RWByteAddressBuffer _32 : register(u1);
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
void comp_main()
{
uint ix = gl_GlobalInvocationID.x;
if (ix < _19.Load(0))
{
_32.Store(ix * 4 + 0, _19.Load(4));
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

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tests/shader/gen/clear.msl generated
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#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct ConfigBuf
{
uint size;
uint value;
};
struct TargetBuf
{
uint data[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
kernel void main0(const device ConfigBuf& _19 [[buffer(0)]], device TargetBuf& _32 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
uint ix = gl_GlobalInvocationID.x;
if (ix < _19.size)
{
_32.data[ix] = _19.value;
}
}

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43
tests/shader/gen/collatz.hlsl generated
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static const uint3 gl_WorkGroupSize = uint3(1u, 1u, 1u);
RWByteAddressBuffer _53 : register(u1);
ByteAddressBuffer _59 : register(t0);
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
uint collatz_iterations(inout uint n)
{
uint i = 0u;
while (n != 1u)
{
if ((n % 2u) == 0u)
{
n /= 2u;
}
else
{
n = (3u * n) + 1u;
}
i++;
}
return i;
}
void comp_main()
{
uint index = gl_GlobalInvocationID.x;
uint param = _59.Load(index * 4 + 0);
uint _65 = collatz_iterations(param);
_53.Store(index * 4 + 0, _65);
}
[numthreads(1, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

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tests/shader/gen/collatz.msl generated
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#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct OutBuf
{
uint out_buf[1];
};
struct InBuf
{
uint in_buf[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(1u);
static inline __attribute__((always_inline))
uint collatz_iterations(thread uint& n)
{
uint i = 0u;
while (n != 1u)
{
if ((n % 2u) == 0u)
{
n /= 2u;
}
else
{
n = (3u * n) + 1u;
}
i++;
}
return i;
}
kernel void main0(device OutBuf& _53 [[buffer(0)]], const device InBuf& _59 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
uint index = gl_GlobalInvocationID.x;
uint param = _59.in_buf[index];
uint _65 = collatz_iterations(param);
_53.out_buf[index] = _65;
}

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tests/shader/gen/linkedlist.dxil generated
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tests/shader/gen/linkedlist.hlsl generated
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static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
RWByteAddressBuffer _56 : register(u0);
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
void comp_main()
{
uint rng = gl_GlobalInvocationID.x + 1u;
for (uint i = 0u; i < 100u; i++)
{
rng ^= (rng << uint(13));
rng ^= (rng >> uint(17));
rng ^= (rng << uint(5));
uint bucket = rng % 65536u;
if (bucket != 0u)
{
uint _61;
_56.InterlockedAdd(0, 2u, _61);
uint alloc = _61 + 65536u;
uint _67;
_56.InterlockedExchange(bucket * 4 + 0, alloc, _67);
uint old = _67;
_56.Store(alloc * 4 + 0, old);
_56.Store((alloc + 1u) * 4 + 0, gl_GlobalInvocationID.x);
}
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

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tests/shader/gen/linkedlist.msl generated
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#pragma clang diagnostic ignored "-Wunused-variable"
#include <metal_stdlib>
#include <simd/simd.h>
#include <metal_atomic>
using namespace metal;
struct MemBuf
{
uint mem[1];
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
kernel void main0(device MemBuf& _56 [[buffer(0)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
uint rng = gl_GlobalInvocationID.x + 1u;
for (uint i = 0u; i < 100u; i++)
{
rng ^= (rng << uint(13));
rng ^= (rng >> uint(17));
rng ^= (rng << uint(5));
uint bucket = rng % 65536u;
if (bucket != 0u)
{
uint _61 = atomic_fetch_add_explicit((device atomic_uint*)&_56.mem[0], 2u, memory_order_relaxed);
uint alloc = _61 + 65536u;
uint _67 = atomic_exchange_explicit((device atomic_uint*)&_56.mem[bucket], alloc, memory_order_relaxed);
uint old = _67;
_56.mem[alloc] = old;
_56.mem[alloc + 1u] = gl_GlobalInvocationID.x;
}
}
}

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tests/shader/gen/message_passing.dxil generated
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tests/shader/gen/message_passing.hlsl generated
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struct Element
{
uint data;
uint flag;
};
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
RWByteAddressBuffer data_buf : register(u0);
RWByteAddressBuffer control_buf : register(u1);
static uint3 gl_GlobalInvocationID;
struct SPIRV_Cross_Input
{
uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
};
uint permute_flag_ix(uint data_ix)
{
return (data_ix * 419u) & 65535u;
}
void comp_main()
{
uint _76;
data_buf.InterlockedExchange(gl_GlobalInvocationID.x * 8 + 0, 1u, _76);
DeviceMemoryBarrier();
uint param = gl_GlobalInvocationID.x;
uint write_flag_ix = permute_flag_ix(param);
uint _77;
data_buf.InterlockedExchange(write_flag_ix * 8 + 4, 1u, _77);
uint read_ix = (gl_GlobalInvocationID.x * 4099u) & 65535u;
uint param_1 = read_ix;
uint read_flag_ix = permute_flag_ix(param_1);
uint _58;
data_buf.InterlockedAdd(read_flag_ix * 8 + 4, 0, _58);
uint flag = _58;
DeviceMemoryBarrier();
uint _62;
data_buf.InterlockedAdd(read_ix * 8 + 0, 0, _62);
uint data = _62;
if (flag > data)
{
uint _73;
control_buf.InterlockedAdd(0, 1u, _73);
}
}
[numthreads(256, 1, 1)]
void main(SPIRV_Cross_Input stage_input)
{
gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
comp_main();
}

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tests/shader/gen/message_passing.msl generated
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#pragma clang diagnostic ignored "-Wmissing-prototypes"
#pragma clang diagnostic ignored "-Wunused-variable"
#include <metal_stdlib>
#include <simd/simd.h>
#include <metal_atomic>
using namespace metal;
struct Element
{
uint data;
uint flag;
};
struct DataBuf
{
Element data[1];
};
struct ControlBuf
{
uint failures;
};
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);
static inline __attribute__((always_inline))
uint permute_flag_ix(thread const uint& data_ix)
{
return (data_ix * 419u) & 65535u;
}
kernel void main0(device DataBuf& data_buf [[buffer(0)]], device ControlBuf& control_buf [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
atomic_store_explicit((device atomic_uint*)&data_buf.data[gl_GlobalInvocationID.x].data, 1u, memory_order_relaxed);
threadgroup_barrier(mem_flags::mem_device);
uint param = gl_GlobalInvocationID.x;
uint write_flag_ix = permute_flag_ix(param);
atomic_store_explicit((device atomic_uint*)&data_buf.data[write_flag_ix].flag, 1u, memory_order_relaxed);
uint read_ix = (gl_GlobalInvocationID.x * 4099u) & 65535u;
uint param_1 = read_ix;
uint read_flag_ix = permute_flag_ix(param_1);
uint _58 = atomic_load_explicit((device atomic_uint*)&data_buf.data[read_flag_ix].flag, memory_order_relaxed);
uint flag = _58;
threadgroup_barrier(mem_flags::mem_device);
uint _62 = atomic_load_explicit((device atomic_uint*)&data_buf.data[read_ix].data, memory_order_relaxed);
uint data = _62;
if (flag > data)
{
uint _73 = atomic_fetch_add_explicit((device atomic_uint*)&control_buf.failures, 1u, memory_order_relaxed);
}
}

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