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Merge pull request #173 from linebender/blend_mem

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Blend mem
This commit is contained in:
Raph Levien 2022-05-20 14:27:58 -07:00 committed by GitHub
parent a4299c1f02 9df486ef35
commit 60d197bb4e
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GPG key ID: 4AEE18F83AFDEB23
29 changed files with 961 additions and 772 deletions
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14
piet-gpu/shader/coarse.comp
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@ -151,6 +151,12 @@ void main() {
uint part_start_ix = 0;
uint ready_ix = 0;
Alloc scratch_alloc = slice_mem(cmd_alloc, 0, Alloc_size);
cmd_ref.offset += 4;
// Accounting for allocation of blend memory
uint render_blend_depth = 0;
uint max_blend_depth = 0;
uint drawmonoid_start = conf.drawmonoid_alloc.offset >> 2;
uint drawtag_start = conf.drawtag_offset >> 2;
uint drawdata_start = conf.drawdata_offset >> 2;
@ -414,6 +420,8 @@ void main() {
}
Cmd_BeginClip_write(cmd_alloc, cmd_ref);
cmd_ref.offset += 4;
render_blend_depth++;
max_blend_depth = max(max_blend_depth, render_blend_depth);
}
clip_depth++;
break;
@ -426,6 +434,7 @@ void main() {
uint blend = scene[dd];
Cmd_EndClip_write(cmd_alloc, cmd_ref, CmdEndClip(blend));
cmd_ref.offset += 4 + CmdEndClip_size;
render_blend_depth--;
break;
}
} else {
@ -451,5 +460,10 @@ void main() {
}
if (bin_tile_x + tile_x < conf.width_in_tiles && bin_tile_y + tile_y < conf.height_in_tiles) {
Cmd_End_write(cmd_alloc, cmd_ref);
if (max_blend_depth > BLEND_STACK_SPLIT) {
uint scratch_size = max_blend_depth * TILE_WIDTH_PX * TILE_HEIGHT_PX * CLIP_STATE_SIZE * 4;
MallocResult scratch = malloc(scratch_size);
alloc_write(scratch_alloc, scratch_alloc.offset, scratch.alloc);
}
}
}

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piet-gpu/shader/gen/backdrop.dxil generated
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piet-gpu/shader/gen/backdrop_lg.dxil generated
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piet-gpu/shader/gen/bbox_clear.dxil generated
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piet-gpu/shader/gen/clip_leaf.dxil generated
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piet-gpu/shader/gen/clip_reduce.dxil generated
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piet-gpu/shader/gen/coarse.dxil generated
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piet-gpu/shader/gen/coarse.hlsl generated
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@ -175,9 +175,9 @@ struct Config
static const uint3 gl_WorkGroupSize = uint3(256u, 1u, 1u);
RWByteAddressBuffer _260 : register(u0, space0);
ByteAddressBuffer _1005 : register(t1, space0);
ByteAddressBuffer _1372 : register(t2, space0);
RWByteAddressBuffer _266 : register(u0, space0);
ByteAddressBuffer _1020 : register(t1, space0);
ByteAddressBuffer _1399 : register(t2, space0);
static uint3 gl_WorkGroupID;
static uint3 gl_LocalInvocationID;
@ -200,8 +200,8 @@ groupshared uint sh_tile_count[256];
Alloc slice_mem(Alloc a, uint offset, uint size)
{
Alloc _337 = { a.offset + offset };
return _337;
Alloc _343 = { a.offset + offset };
return _343;
}
bool touch_mem(Alloc alloc, uint offset)
@ -217,7 +217,7 @@ uint read_mem(Alloc alloc, uint offset)
{
return 0u;
}
uint v = _260.Load(offset * 4 + 8);
uint v = _266.Load(offset * 4 + 8);
return v;
}
@ -230,8 +230,8 @@ Alloc new_alloc(uint offset, uint size, bool mem_ok)
BinInstanceRef BinInstance_index(BinInstanceRef ref, uint index)
{
BinInstanceRef _346 = { ref.offset + (index * 4u) };
return _346;
BinInstanceRef _361 = { ref.offset + (index * 4u) };
return _361;
}
BinInstance BinInstance_read(Alloc a, BinInstanceRef ref)
@ -259,8 +259,8 @@ Path Path_read(Alloc a, PathRef ref)
uint raw2 = read_mem(param_4, param_5);
Path s;
s.bbox = uint4(raw0 & 65535u, raw0 >> uint(16), raw1 & 65535u, raw1 >> uint(16));
TileRef _409 = { raw2 };
s.tiles = _409;
TileRef _424 = { raw2 };
s.tiles = _424;
return s;
}
@ -270,11 +270,11 @@ void write_tile_alloc(uint el_ix, Alloc a)
Alloc read_tile_alloc(uint el_ix, bool mem_ok)
{
uint _892;
_260.GetDimensions(_892);
_892 = (_892 - 8) / 4;
uint _907;
_266.GetDimensions(_907);
_907 = (_907 - 8) / 4;
uint param = 0u;
uint param_1 = uint(int(_892) * 4);
uint param_1 = uint(int(_907) * 4);
bool param_2 = mem_ok;
return new_alloc(param, param_1, param_2);
}
@ -288,31 +288,31 @@ Tile Tile_read(Alloc a, TileRef ref)
Alloc param_2 = a;
uint param_3 = ix + 1u;
uint raw1 = read_mem(param_2, param_3);
TileSegRef _434 = { raw0 };
TileSegRef _449 = { raw0 };
Tile s;
s.tile = _434;
s.tile = _449;
s.backdrop = int(raw1);
return s;
}
MallocResult malloc(uint size)
{
uint _266;
_260.InterlockedAdd(0, size, _266);
uint offset = _266;
uint _273;
_260.GetDimensions(_273);
_273 = (_273 - 8) / 4;
uint _272;
_266.InterlockedAdd(0, size, _272);
uint offset = _272;
uint _279;
_266.GetDimensions(_279);
_279 = (_279 - 8) / 4;
MallocResult r;
r.failed = (offset + size) > uint(int(_273) * 4);
r.failed = (offset + size) > uint(int(_279) * 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 _295;
_260.InterlockedMax(4, 1u, _295);
uint _301;
_266.InterlockedMax(4, 1u, _301);
return r;
}
return r;
@ -326,7 +326,7 @@ void write_mem(Alloc alloc, uint offset, uint val)
{
return;
}
_260.Store(offset * 4 + 8, val);
_266.Store(offset * 4 + 8, val);
}
void CmdJump_write(Alloc a, CmdJumpRef ref, CmdJump s)
@ -344,9 +344,9 @@ void Cmd_Jump_write(Alloc a, CmdRef ref, CmdJump s)
uint param_1 = ref.offset >> uint(2);
uint param_2 = 11u;
write_mem(param, param_1, param_2);
CmdJumpRef _885 = { ref.offset + 4u };
CmdJumpRef _900 = { ref.offset + 4u };
Alloc param_3 = a;
CmdJumpRef param_4 = _885;
CmdJumpRef param_4 = _900;
CmdJump param_5 = s;
CmdJump_write(param_3, param_4, param_5);
}
@ -358,21 +358,21 @@ bool alloc_cmd(inout Alloc cmd_alloc, inout CmdRef cmd_ref, inout uint cmd_limit
return true;
}
uint param = 1024u;
MallocResult _913 = malloc(param);
MallocResult new_cmd = _913;
MallocResult _928 = malloc(param);
MallocResult new_cmd = _928;
if (new_cmd.failed)
{
return false;
}
CmdJump _923 = { new_cmd.alloc.offset };
CmdJump jump = _923;
CmdJump _938 = { new_cmd.alloc.offset };
CmdJump jump = _938;
Alloc param_1 = cmd_alloc;
CmdRef param_2 = cmd_ref;
CmdJump param_3 = jump;
Cmd_Jump_write(param_1, param_2, param_3);
cmd_alloc = new_cmd.alloc;
CmdRef _935 = { cmd_alloc.offset };
cmd_ref = _935;
CmdRef _950 = { cmd_alloc.offset };
cmd_ref = _950;
cmd_limit = (cmd_alloc.offset + 1024u) - 144u;
return true;
}
@ -396,9 +396,9 @@ void Cmd_Fill_write(Alloc a, CmdRef ref, CmdFill s)
uint param_1 = ref.offset >> uint(2);
uint param_2 = 1u;
write_mem(param, param_1, param_2);
CmdFillRef _742 = { ref.offset + 4u };
CmdFillRef _757 = { ref.offset + 4u };
Alloc param_3 = a;
CmdFillRef param_4 = _742;
CmdFillRef param_4 = _757;
CmdFill param_5 = s;
CmdFill_write(param_3, param_4, param_5);
}
@ -430,9 +430,9 @@ void Cmd_Stroke_write(Alloc a, CmdRef ref, CmdStroke s)
uint param_1 = ref.offset >> uint(2);
uint param_2 = 2u;
write_mem(param, param_1, param_2);
CmdStrokeRef _760 = { ref.offset + 4u };
CmdStrokeRef _775 = { ref.offset + 4u };
Alloc param_3 = a;
CmdStrokeRef param_4 = _760;
CmdStrokeRef param_4 = _775;
CmdStroke param_5 = s;
CmdStroke_write(param_3, param_4, param_5);
}
@ -443,8 +443,8 @@ void write_fill(Alloc alloc, inout CmdRef cmd_ref, Tile tile, float linewidth)
{
if (tile.tile.offset != 0u)
{
CmdFill _958 = { tile.tile.offset, tile.backdrop };
CmdFill cmd_fill = _958;
CmdFill _973 = { tile.tile.offset, tile.backdrop };
CmdFill cmd_fill = _973;
Alloc param = alloc;
CmdRef param_1 = cmd_ref;
CmdFill param_2 = cmd_fill;
@ -461,8 +461,8 @@ void write_fill(Alloc alloc, inout CmdRef cmd_ref, Tile tile, float linewidth)
}
else
{
CmdStroke _988 = { tile.tile.offset, 0.5f * linewidth };
CmdStroke cmd_stroke = _988;
CmdStroke _1003 = { tile.tile.offset, 0.5f * linewidth };
CmdStroke cmd_stroke = _1003;
Alloc param_5 = alloc;
CmdRef param_6 = cmd_ref;
CmdStroke param_7 = cmd_stroke;
@ -486,9 +486,9 @@ void Cmd_Color_write(Alloc a, CmdRef ref, CmdColor s)
uint param_1 = ref.offset >> uint(2);
uint param_2 = 5u;
write_mem(param, param_1, param_2);
CmdColorRef _786 = { ref.offset + 4u };
CmdColorRef _801 = { ref.offset + 4u };
Alloc param_3 = a;
CmdColorRef param_4 = _786;
CmdColorRef param_4 = _801;
CmdColor param_5 = s;
CmdColor_write(param_3, param_4, param_5);
}
@ -520,9 +520,9 @@ void Cmd_LinGrad_write(Alloc a, CmdRef ref, CmdLinGrad s)
uint param_1 = ref.offset >> uint(2);
uint param_2 = 6u;
write_mem(param, param_1, param_2);
CmdLinGradRef _804 = { ref.offset + 4u };
CmdLinGradRef _819 = { ref.offset + 4u };
Alloc param_3 = a;
CmdLinGradRef param_4 = _804;
CmdLinGradRef param_4 = _819;
CmdLinGrad param_5 = s;
CmdLinGrad_write(param_3, param_4, param_5);
}
@ -582,9 +582,9 @@ void Cmd_RadGrad_write(Alloc a, CmdRef ref, CmdRadGrad s)
uint param_1 = ref.offset >> uint(2);
uint param_2 = 7u;
write_mem(param, param_1, param_2);
CmdRadGradRef _822 = { ref.offset + 4u };
CmdRadGradRef _837 = { ref.offset + 4u };
Alloc param_3 = a;
CmdRadGradRef param_4 = _822;
CmdRadGradRef param_4 = _837;
CmdRadGrad param_5 = s;
CmdRadGrad_write(param_3, param_4, param_5);
}
@ -608,9 +608,9 @@ void Cmd_Image_write(Alloc a, CmdRef ref, CmdImage s)
uint param_1 = ref.offset >> uint(2);
uint param_2 = 8u;
write_mem(param, param_1, param_2);
CmdImageRef _840 = { ref.offset + 4u };
CmdImageRef _855 = { ref.offset + 4u };
Alloc param_3 = a;
CmdImageRef param_4 = _840;
CmdImageRef param_4 = _855;
CmdImage param_5 = s;
CmdImage_write(param_3, param_4, param_5);
}
@ -638,9 +638,9 @@ void Cmd_EndClip_write(Alloc a, CmdRef ref, CmdEndClip s)
uint param_1 = ref.offset >> uint(2);
uint param_2 = 10u;
write_mem(param, param_1, param_2);
CmdEndClipRef _866 = { ref.offset + 4u };
CmdEndClipRef _881 = { ref.offset + 4u };
Alloc param_3 = a;
CmdEndClipRef param_4 = _866;
CmdEndClipRef param_4 = _881;
CmdEndClip param_5 = s;
CmdEndClip_write(param_3, param_4, param_5);
}
@ -653,27 +653,35 @@ void Cmd_End_write(Alloc a, CmdRef ref)
write_mem(param, param_1, param_2);
}
void alloc_write(Alloc a, uint offset, Alloc alloc)
{
Alloc param = a;
uint param_1 = offset >> uint(2);
uint param_2 = alloc.offset;
write_mem(param, param_1, param_2);
}
void comp_main()
{
uint width_in_bins = ((_1005.Load(8) + 16u) - 1u) / 16u;
uint width_in_bins = ((_1020.Load(8) + 16u) - 1u) / 16u;
uint bin_ix = (width_in_bins * gl_WorkGroupID.y) + gl_WorkGroupID.x;
uint partition_ix = 0u;
uint n_partitions = ((_1005.Load(0) + 256u) - 1u) / 256u;
uint n_partitions = ((_1020.Load(0) + 256u) - 1u) / 256u;
uint th_ix = gl_LocalInvocationID.x;
uint bin_tile_x = 16u * gl_WorkGroupID.x;
uint bin_tile_y = 16u * gl_WorkGroupID.y;
uint tile_x = gl_LocalInvocationID.x % 16u;
uint tile_y = gl_LocalInvocationID.x / 16u;
uint this_tile_ix = (((bin_tile_y + tile_y) * _1005.Load(8)) + bin_tile_x) + tile_x;
Alloc _1070;
_1070.offset = _1005.Load(24);
uint this_tile_ix = (((bin_tile_y + tile_y) * _1020.Load(8)) + bin_tile_x) + tile_x;
Alloc _1085;
_1085.offset = _1020.Load(24);
Alloc param;
param.offset = _1070.offset;
param.offset = _1085.offset;
uint param_1 = this_tile_ix * 1024u;
uint param_2 = 1024u;
Alloc cmd_alloc = slice_mem(param, param_1, param_2);
CmdRef _1079 = { cmd_alloc.offset };
CmdRef cmd_ref = _1079;
CmdRef _1094 = { cmd_alloc.offset };
CmdRef cmd_ref = _1094;
uint cmd_limit = (cmd_ref.offset + 1024u) - 144u;
uint clip_depth = 0u;
uint clip_zero_depth = 0u;
@ -681,18 +689,25 @@ void comp_main()
uint wr_ix = 0u;
uint part_start_ix = 0u;
uint ready_ix = 0u;
uint drawmonoid_start = _1005.Load(44) >> uint(2);
uint drawtag_start = _1005.Load(100) >> uint(2);
uint drawdata_start = _1005.Load(104) >> uint(2);
uint drawinfo_start = _1005.Load(68) >> uint(2);
bool mem_ok = _260.Load(4) == 0u;
Alloc param_3;
Alloc param_5;
uint _1304;
Alloc param_3 = cmd_alloc;
uint param_4 = 0u;
uint param_5 = 8u;
Alloc scratch_alloc = slice_mem(param_3, param_4, param_5);
cmd_ref.offset += 4u;
uint render_blend_depth = 0u;
uint max_blend_depth = 0u;
uint drawmonoid_start = _1020.Load(44) >> uint(2);
uint drawtag_start = _1020.Load(100) >> uint(2);
uint drawdata_start = _1020.Load(104) >> uint(2);
uint drawinfo_start = _1020.Load(68) >> uint(2);
bool mem_ok = _266.Load(4) == 0u;
Alloc param_6;
Alloc param_8;
uint _1331;
uint element_ix;
Alloc param_14;
Alloc param_17;
uint tile_count;
uint _1605;
uint _1632;
float linewidth;
CmdLinGrad cmd_lin;
CmdRadGrad cmd_rad;
@ -702,40 +717,40 @@ void comp_main()
{
sh_bitmaps[i][th_ix] = 0u;
}
bool _1356;
bool _1383;
for (;;)
{
if ((ready_ix == wr_ix) && (partition_ix < n_partitions))
{
part_start_ix = ready_ix;
uint count = 0u;
bool _1154 = th_ix < 256u;
bool _1162;
if (_1154)
bool _1181 = th_ix < 256u;
bool _1189;
if (_1181)
{
_1162 = (partition_ix + th_ix) < n_partitions;
_1189 = (partition_ix + th_ix) < n_partitions;
}
else
{
_1162 = _1154;
_1189 = _1181;
}
if (_1162)
if (_1189)
{
uint in_ix = (_1005.Load(20) >> uint(2)) + ((((partition_ix + th_ix) * 256u) + bin_ix) * 2u);
Alloc _1179;
_1179.offset = _1005.Load(20);
param_3.offset = _1179.offset;
uint param_4 = in_ix;
count = read_mem(param_3, param_4);
Alloc _1190;
_1190.offset = _1005.Load(20);
param_5.offset = _1190.offset;
uint param_6 = in_ix + 1u;
uint offset = read_mem(param_5, param_6);
uint param_7 = offset;
uint param_8 = count * 4u;
bool param_9 = mem_ok;
sh_part_elements[th_ix] = new_alloc(param_7, param_8, param_9);
uint in_ix = (_1020.Load(20) >> uint(2)) + ((((partition_ix + th_ix) * 256u) + bin_ix) * 2u);
Alloc _1206;
_1206.offset = _1020.Load(20);
param_6.offset = _1206.offset;
uint param_7 = in_ix;
count = read_mem(param_6, param_7);
Alloc _1217;
_1217.offset = _1020.Load(20);
param_8.offset = _1217.offset;
uint param_9 = in_ix + 1u;
uint offset = read_mem(param_8, param_9);
uint param_10 = offset;
uint param_11 = count * 4u;
bool param_12 = mem_ok;
sh_part_elements[th_ix] = new_alloc(param_10, param_11, param_12);
}
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
@ -775,35 +790,35 @@ void comp_main()
}
if (part_ix > 0u)
{
_1304 = sh_part_count[part_ix - 1u];
_1331 = sh_part_count[part_ix - 1u];
}
else
{
_1304 = part_start_ix;
_1331 = part_start_ix;
}
ix -= _1304;
ix -= _1331;
Alloc bin_alloc = sh_part_elements[part_ix];
BinInstanceRef _1323 = { bin_alloc.offset };
BinInstanceRef inst_ref = _1323;
BinInstanceRef param_10 = inst_ref;
uint param_11 = ix;
Alloc param_12 = bin_alloc;
BinInstanceRef param_13 = BinInstance_index(param_10, param_11);
BinInstance inst = BinInstance_read(param_12, param_13);
BinInstanceRef _1350 = { bin_alloc.offset };
BinInstanceRef inst_ref = _1350;
BinInstanceRef param_13 = inst_ref;
uint param_14 = ix;
Alloc param_15 = bin_alloc;
BinInstanceRef param_16 = BinInstance_index(param_13, param_14);
BinInstance inst = BinInstance_read(param_15, param_16);
sh_elements[th_ix] = inst.element_ix;
}
GroupMemoryBarrierWithGroupSync();
wr_ix = min((rd_ix + 256u), ready_ix);
bool _1346 = (wr_ix - rd_ix) < 256u;
if (_1346)
bool _1373 = (wr_ix - rd_ix) < 256u;
if (_1373)
{
_1356 = (wr_ix < ready_ix) || (partition_ix < n_partitions);
_1383 = (wr_ix < ready_ix) || (partition_ix < n_partitions);
}
else
{
_1356 = _1346;
_1383 = _1373;
}
if (_1356)
if (_1383)
{
continue;
}
@ -816,7 +831,7 @@ void comp_main()
if ((th_ix + rd_ix) < wr_ix)
{
element_ix = sh_elements[th_ix];
tag = _1372.Load((drawtag_start + element_ix) * 4 + 0);
tag = _1399.Load((drawtag_start + element_ix) * 4 + 0);
}
switch (tag)
{
@ -828,13 +843,13 @@ void comp_main()
case 37u:
{
uint drawmonoid_base = drawmonoid_start + (4u * element_ix);
uint path_ix = _260.Load(drawmonoid_base * 4 + 8);
PathRef _1397 = { _1005.Load(16) + (path_ix * 12u) };
Alloc _1400;
_1400.offset = _1005.Load(16);
param_14.offset = _1400.offset;
PathRef param_15 = _1397;
Path path = Path_read(param_14, param_15);
uint path_ix = _266.Load(drawmonoid_base * 4 + 8);
PathRef _1424 = { _1020.Load(16) + (path_ix * 12u) };
Alloc _1427;
_1427.offset = _1020.Load(16);
param_17.offset = _1427.offset;
PathRef param_18 = _1424;
Path path = Path_read(param_17, param_18);
uint stride = path.bbox.z - path.bbox.x;
sh_tile_stride[th_ix] = stride;
int dx = int(path.bbox.x) - int(bin_tile_x);
@ -849,13 +864,13 @@ void comp_main()
tile_count = uint(x1 - x0) * uint(y1 - y0);
uint base = path.tiles.offset - (((uint(dy) * stride) + uint(dx)) * 8u);
sh_tile_base[th_ix] = base;
uint param_16 = path.tiles.offset;
uint param_17 = ((path.bbox.z - path.bbox.x) * (path.bbox.w - path.bbox.y)) * 8u;
bool param_18 = mem_ok;
Alloc path_alloc = new_alloc(param_16, param_17, param_18);
uint param_19 = th_ix;
Alloc param_20 = path_alloc;
write_tile_alloc(param_19, param_20);
uint param_19 = path.tiles.offset;
uint param_20 = ((path.bbox.z - path.bbox.x) * (path.bbox.w - path.bbox.y)) * 8u;
bool param_21 = mem_ok;
Alloc path_alloc = new_alloc(param_19, param_20, param_21);
uint param_22 = th_ix;
Alloc param_23 = path_alloc;
write_tile_alloc(param_22, param_23);
break;
}
default:
@ -889,56 +904,56 @@ void comp_main()
}
}
uint element_ix_1 = sh_elements[el_ix];
uint tag_1 = _1372.Load((drawtag_start + element_ix_1) * 4 + 0);
uint tag_1 = _1399.Load((drawtag_start + element_ix_1) * 4 + 0);
if (el_ix > 0u)
{
_1605 = sh_tile_count[el_ix - 1u];
_1632 = sh_tile_count[el_ix - 1u];
}
else
{
_1605 = 0u;
_1632 = 0u;
}
uint seq_ix = ix_1 - _1605;
uint seq_ix = ix_1 - _1632;
uint width = sh_tile_width[el_ix];
uint x = sh_tile_x0[el_ix] + (seq_ix % width);
uint y = sh_tile_y0[el_ix] + (seq_ix / width);
bool include_tile = false;
if (mem_ok)
{
uint param_21 = el_ix;
bool param_22 = mem_ok;
TileRef _1657 = { sh_tile_base[el_ix] + (((sh_tile_stride[el_ix] * y) + x) * 8u) };
Alloc param_23 = read_tile_alloc(param_21, param_22);
TileRef param_24 = _1657;
Tile tile = Tile_read(param_23, param_24);
uint param_24 = el_ix;
bool param_25 = mem_ok;
TileRef _1684 = { sh_tile_base[el_ix] + (((sh_tile_stride[el_ix] * y) + x) * 8u) };
Alloc param_26 = read_tile_alloc(param_24, param_25);
TileRef param_27 = _1684;
Tile tile = Tile_read(param_26, param_27);
bool is_clip = (tag_1 & 1u) != 0u;
bool is_blend = false;
if (is_clip)
{
uint drawmonoid_base_1 = drawmonoid_start + (4u * element_ix_1);
uint scene_offset = _260.Load((drawmonoid_base_1 + 2u) * 4 + 8);
uint scene_offset = _266.Load((drawmonoid_base_1 + 2u) * 4 + 8);
uint dd = drawdata_start + (scene_offset >> uint(2));
uint blend = _1372.Load(dd * 4 + 0);
uint blend = _1399.Load(dd * 4 + 0);
is_blend = blend != 32771u;
}
bool _1693 = tile.tile.offset != 0u;
bool _1702;
if (!_1693)
bool _1720 = tile.tile.offset != 0u;
bool _1729;
if (!_1720)
{
_1702 = (tile.backdrop == 0) == is_clip;
_1729 = (tile.backdrop == 0) == is_clip;
}
else
{
_1702 = _1693;
_1729 = _1720;
}
include_tile = _1702 || is_blend;
include_tile = _1729 || is_blend;
}
if (include_tile)
{
uint el_slice = el_ix / 32u;
uint el_mask = 1u << (el_ix & 31u);
uint _1724;
InterlockedOr(sh_bitmaps[el_slice][(y * 16u) + x], el_mask, _1724);
uint _1751;
InterlockedOr(sh_bitmaps[el_slice][(y * 16u) + x], el_mask, _1751);
}
}
GroupMemoryBarrierWithGroupSync();
@ -962,179 +977,181 @@ void comp_main()
uint element_ref_ix = (slice_ix * 32u) + uint(int(firstbitlow(bitmap)));
uint element_ix_2 = sh_elements[element_ref_ix];
bitmap &= (bitmap - 1u);
uint drawtag = _1372.Load((drawtag_start + element_ix_2) * 4 + 0);
uint drawtag = _1399.Load((drawtag_start + element_ix_2) * 4 + 0);
if (clip_zero_depth == 0u)
{
uint param_25 = element_ref_ix;
bool param_26 = mem_ok;
TileRef _1801 = { sh_tile_base[element_ref_ix] + (((sh_tile_stride[element_ref_ix] * tile_y) + tile_x) * 8u) };
Alloc param_27 = read_tile_alloc(param_25, param_26);
TileRef param_28 = _1801;
Tile tile_1 = Tile_read(param_27, param_28);
uint param_28 = element_ref_ix;
bool param_29 = mem_ok;
TileRef _1828 = { sh_tile_base[element_ref_ix] + (((sh_tile_stride[element_ref_ix] * tile_y) + tile_x) * 8u) };
Alloc param_30 = read_tile_alloc(param_28, param_29);
TileRef param_31 = _1828;
Tile tile_1 = Tile_read(param_30, param_31);
uint drawmonoid_base_2 = drawmonoid_start + (4u * element_ix_2);
uint scene_offset_1 = _260.Load((drawmonoid_base_2 + 2u) * 4 + 8);
uint info_offset = _260.Load((drawmonoid_base_2 + 3u) * 4 + 8);
uint scene_offset_1 = _266.Load((drawmonoid_base_2 + 2u) * 4 + 8);
uint info_offset = _266.Load((drawmonoid_base_2 + 3u) * 4 + 8);
uint dd_1 = drawdata_start + (scene_offset_1 >> uint(2));
uint di = drawinfo_start + (info_offset >> uint(2));
switch (drawtag)
{
case 68u:
{
linewidth = asfloat(_260.Load(di * 4 + 8));
Alloc param_29 = cmd_alloc;
CmdRef param_30 = cmd_ref;
uint param_31 = cmd_limit;
bool _1849 = alloc_cmd(param_29, param_30, param_31);
cmd_alloc = param_29;
cmd_ref = param_30;
cmd_limit = param_31;
if (!_1849)
linewidth = asfloat(_266.Load(di * 4 + 8));
Alloc param_32 = cmd_alloc;
CmdRef param_33 = cmd_ref;
uint param_34 = cmd_limit;
bool _1876 = alloc_cmd(param_32, param_33, param_34);
cmd_alloc = param_32;
cmd_ref = param_33;
cmd_limit = param_34;
if (!_1876)
{
break;
}
Alloc param_32 = cmd_alloc;
CmdRef param_33 = cmd_ref;
Tile param_34 = tile_1;
float param_35 = linewidth;
write_fill(param_32, param_33, param_34, param_35);
cmd_ref = param_33;
uint rgba = _1372.Load(dd_1 * 4 + 0);
CmdColor _1872 = { rgba };
Alloc param_36 = cmd_alloc;
CmdRef param_37 = cmd_ref;
CmdColor param_38 = _1872;
Cmd_Color_write(param_36, param_37, param_38);
Alloc param_35 = cmd_alloc;
CmdRef param_36 = cmd_ref;
Tile param_37 = tile_1;
float param_38 = linewidth;
write_fill(param_35, param_36, param_37, param_38);
cmd_ref = param_36;
uint rgba = _1399.Load(dd_1 * 4 + 0);
CmdColor _1899 = { rgba };
Alloc param_39 = cmd_alloc;
CmdRef param_40 = cmd_ref;
CmdColor param_41 = _1899;
Cmd_Color_write(param_39, param_40, param_41);
cmd_ref.offset += 8u;
break;
}
case 276u:
{
Alloc param_39 = cmd_alloc;
CmdRef param_40 = cmd_ref;
uint param_41 = cmd_limit;
bool _1890 = alloc_cmd(param_39, param_40, param_41);
cmd_alloc = param_39;
cmd_ref = param_40;
cmd_limit = param_41;
if (!_1890)
Alloc param_42 = cmd_alloc;
CmdRef param_43 = cmd_ref;
uint param_44 = cmd_limit;
bool _1917 = alloc_cmd(param_42, param_43, param_44);
cmd_alloc = param_42;
cmd_ref = param_43;
cmd_limit = param_44;
if (!_1917)
{
break;
}
linewidth = asfloat(_260.Load(di * 4 + 8));
Alloc param_42 = cmd_alloc;
CmdRef param_43 = cmd_ref;
Tile param_44 = tile_1;
float param_45 = linewidth;
write_fill(param_42, param_43, param_44, param_45);
cmd_ref = param_43;
cmd_lin.index = _1372.Load(dd_1 * 4 + 0);
cmd_lin.line_x = asfloat(_260.Load((di + 1u) * 4 + 8));
cmd_lin.line_y = asfloat(_260.Load((di + 2u) * 4 + 8));
cmd_lin.line_c = asfloat(_260.Load((di + 3u) * 4 + 8));
Alloc param_46 = cmd_alloc;
CmdRef param_47 = cmd_ref;
CmdLinGrad param_48 = cmd_lin;
Cmd_LinGrad_write(param_46, param_47, param_48);
linewidth = asfloat(_266.Load(di * 4 + 8));
Alloc param_45 = cmd_alloc;
CmdRef param_46 = cmd_ref;
Tile param_47 = tile_1;
float param_48 = linewidth;
write_fill(param_45, param_46, param_47, param_48);
cmd_ref = param_46;
cmd_lin.index = _1399.Load(dd_1 * 4 + 0);
cmd_lin.line_x = asfloat(_266.Load((di + 1u) * 4 + 8));
cmd_lin.line_y = asfloat(_266.Load((di + 2u) * 4 + 8));
cmd_lin.line_c = asfloat(_266.Load((di + 3u) * 4 + 8));
Alloc param_49 = cmd_alloc;
CmdRef param_50 = cmd_ref;
CmdLinGrad param_51 = cmd_lin;
Cmd_LinGrad_write(param_49, param_50, param_51);
cmd_ref.offset += 20u;
break;
}
case 732u:
{
Alloc param_49 = cmd_alloc;
CmdRef param_50 = cmd_ref;
uint param_51 = cmd_limit;
bool _1954 = alloc_cmd(param_49, param_50, param_51);
cmd_alloc = param_49;
cmd_ref = param_50;
cmd_limit = param_51;
if (!_1954)
Alloc param_52 = cmd_alloc;
CmdRef param_53 = cmd_ref;
uint param_54 = cmd_limit;
bool _1981 = alloc_cmd(param_52, param_53, param_54);
cmd_alloc = param_52;
cmd_ref = param_53;
cmd_limit = param_54;
if (!_1981)
{
break;
}
linewidth = asfloat(_260.Load(di * 4 + 8));
Alloc param_52 = cmd_alloc;
CmdRef param_53 = cmd_ref;
Tile param_54 = tile_1;
float param_55 = linewidth;
write_fill(param_52, param_53, param_54, param_55);
cmd_ref = param_53;
cmd_rad.index = _1372.Load(dd_1 * 4 + 0);
cmd_rad.mat = asfloat(uint4(_260.Load((di + 1u) * 4 + 8), _260.Load((di + 2u) * 4 + 8), _260.Load((di + 3u) * 4 + 8), _260.Load((di + 4u) * 4 + 8)));
cmd_rad.xlat = asfloat(uint2(_260.Load((di + 5u) * 4 + 8), _260.Load((di + 6u) * 4 + 8)));
cmd_rad.c1 = asfloat(uint2(_260.Load((di + 7u) * 4 + 8), _260.Load((di + 8u) * 4 + 8)));
cmd_rad.ra = asfloat(_260.Load((di + 9u) * 4 + 8));
cmd_rad.roff = asfloat(_260.Load((di + 10u) * 4 + 8));
Alloc param_56 = cmd_alloc;
CmdRef param_57 = cmd_ref;
CmdRadGrad param_58 = cmd_rad;
Cmd_RadGrad_write(param_56, param_57, param_58);
linewidth = asfloat(_266.Load(di * 4 + 8));
Alloc param_55 = cmd_alloc;
CmdRef param_56 = cmd_ref;
Tile param_57 = tile_1;
float param_58 = linewidth;
write_fill(param_55, param_56, param_57, param_58);
cmd_ref = param_56;
cmd_rad.index = _1399.Load(dd_1 * 4 + 0);
cmd_rad.mat = asfloat(uint4(_266.Load((di + 1u) * 4 + 8), _266.Load((di + 2u) * 4 + 8), _266.Load((di + 3u) * 4 + 8), _266.Load((di + 4u) * 4 + 8)));
cmd_rad.xlat = asfloat(uint2(_266.Load((di + 5u) * 4 + 8), _266.Load((di + 6u) * 4 + 8)));
cmd_rad.c1 = asfloat(uint2(_266.Load((di + 7u) * 4 + 8), _266.Load((di + 8u) * 4 + 8)));
cmd_rad.ra = asfloat(_266.Load((di + 9u) * 4 + 8));
cmd_rad.roff = asfloat(_266.Load((di + 10u) * 4 + 8));
Alloc param_59 = cmd_alloc;
CmdRef param_60 = cmd_ref;
CmdRadGrad param_61 = cmd_rad;
Cmd_RadGrad_write(param_59, param_60, param_61);
cmd_ref.offset += 48u;
break;
}
case 72u:
{
linewidth = asfloat(_260.Load(di * 4 + 8));
Alloc param_59 = cmd_alloc;
CmdRef param_60 = cmd_ref;
uint param_61 = cmd_limit;
bool _2060 = alloc_cmd(param_59, param_60, param_61);
cmd_alloc = param_59;
cmd_ref = param_60;
cmd_limit = param_61;
if (!_2060)
linewidth = asfloat(_266.Load(di * 4 + 8));
Alloc param_62 = cmd_alloc;
CmdRef param_63 = cmd_ref;
uint param_64 = cmd_limit;
bool _2087 = alloc_cmd(param_62, param_63, param_64);
cmd_alloc = param_62;
cmd_ref = param_63;
cmd_limit = param_64;
if (!_2087)
{
break;
}
Alloc param_62 = cmd_alloc;
CmdRef param_63 = cmd_ref;
Tile param_64 = tile_1;
float param_65 = linewidth;
write_fill(param_62, param_63, param_64, param_65);
cmd_ref = param_63;
uint index = _1372.Load(dd_1 * 4 + 0);
uint raw1 = _1372.Load((dd_1 + 1u) * 4 + 0);
Alloc param_65 = cmd_alloc;
CmdRef param_66 = cmd_ref;
Tile param_67 = tile_1;
float param_68 = linewidth;
write_fill(param_65, param_66, param_67, param_68);
cmd_ref = param_66;
uint index = _1399.Load(dd_1 * 4 + 0);
uint raw1 = _1399.Load((dd_1 + 1u) * 4 + 0);
int2 offset_1 = int2(int(raw1 << uint(16)) >> 16, int(raw1) >> 16);
CmdImage _2099 = { index, offset_1 };
Alloc param_66 = cmd_alloc;
CmdRef param_67 = cmd_ref;
CmdImage param_68 = _2099;
Cmd_Image_write(param_66, param_67, param_68);
CmdImage _2126 = { index, offset_1 };
Alloc param_69 = cmd_alloc;
CmdRef param_70 = cmd_ref;
CmdImage param_71 = _2126;
Cmd_Image_write(param_69, param_70, param_71);
cmd_ref.offset += 12u;
break;
}
case 5u:
{
bool _2113 = tile_1.tile.offset == 0u;
bool _2119;
if (_2113)
bool _2140 = tile_1.tile.offset == 0u;
bool _2146;
if (_2140)
{
_2119 = tile_1.backdrop == 0;
_2146 = tile_1.backdrop == 0;
}
else
{
_2119 = _2113;
_2146 = _2140;
}
if (_2119)
if (_2146)
{
clip_zero_depth = clip_depth + 1u;
}
else
{
Alloc param_69 = cmd_alloc;
CmdRef param_70 = cmd_ref;
uint param_71 = cmd_limit;
bool _2131 = alloc_cmd(param_69, param_70, param_71);
cmd_alloc = param_69;
cmd_ref = param_70;
cmd_limit = param_71;
if (!_2131)
Alloc param_72 = cmd_alloc;
CmdRef param_73 = cmd_ref;
uint param_74 = cmd_limit;
bool _2158 = alloc_cmd(param_72, param_73, param_74);
cmd_alloc = param_72;
cmd_ref = param_73;
cmd_limit = param_74;
if (!_2158)
{
break;
}
Alloc param_72 = cmd_alloc;
CmdRef param_73 = cmd_ref;
Cmd_BeginClip_write(param_72, param_73);
Alloc param_75 = cmd_alloc;
CmdRef param_76 = cmd_ref;
Cmd_BeginClip_write(param_75, param_76);
cmd_ref.offset += 4u;
render_blend_depth++;
max_blend_depth = max(max_blend_depth, render_blend_depth);
}
clip_depth++;
break;
@ -1142,30 +1159,31 @@ void comp_main()
case 37u:
{
clip_depth--;
Alloc param_74 = cmd_alloc;
CmdRef param_75 = cmd_ref;
uint param_76 = cmd_limit;
bool _2159 = alloc_cmd(param_74, param_75, param_76);
cmd_alloc = param_74;
cmd_ref = param_75;
cmd_limit = param_76;
if (!_2159)
Alloc param_77 = cmd_alloc;
CmdRef param_78 = cmd_ref;
uint param_79 = cmd_limit;
bool _2191 = alloc_cmd(param_77, param_78, param_79);
cmd_alloc = param_77;
cmd_ref = param_78;
cmd_limit = param_79;
if (!_2191)
{
break;
}
Alloc param_77 = cmd_alloc;
CmdRef param_78 = cmd_ref;
Tile param_79 = tile_1;
float param_80 = -1.0f;
write_fill(param_77, param_78, param_79, param_80);
cmd_ref = param_78;
uint blend_1 = _1372.Load(dd_1 * 4 + 0);
CmdEndClip _2182 = { blend_1 };
Alloc param_81 = cmd_alloc;
CmdRef param_82 = cmd_ref;
CmdEndClip param_83 = _2182;
Cmd_EndClip_write(param_81, param_82, param_83);
Alloc param_80 = cmd_alloc;
CmdRef param_81 = cmd_ref;
Tile param_82 = tile_1;
float param_83 = -1.0f;
write_fill(param_80, param_81, param_82, param_83);
cmd_ref = param_81;
uint blend_1 = _1399.Load(dd_1 * 4 + 0);
CmdEndClip _2214 = { blend_1 };
Alloc param_84 = cmd_alloc;
CmdRef param_85 = cmd_ref;
CmdEndClip param_86 = _2214;
Cmd_EndClip_write(param_84, param_85, param_86);
cmd_ref.offset += 8u;
render_blend_depth--;
break;
}
}
@ -1198,21 +1216,32 @@ void comp_main()
break;
}
}
bool _2229 = (bin_tile_x + tile_x) < _1005.Load(8);
bool _2238;
if (_2229)
bool _2263 = (bin_tile_x + tile_x) < _1020.Load(8);
bool _2272;
if (_2263)
{
_2238 = (bin_tile_y + tile_y) < _1005.Load(12);
_2272 = (bin_tile_y + tile_y) < _1020.Load(12);
}
else
{
_2238 = _2229;
_2272 = _2263;
}
if (_2238)
if (_2272)
{
Alloc param_84 = cmd_alloc;
CmdRef param_85 = cmd_ref;
Cmd_End_write(param_84, param_85);
Alloc param_87 = cmd_alloc;
CmdRef param_88 = cmd_ref;
Cmd_End_write(param_87, param_88);
if (max_blend_depth > 4u)
{
uint scratch_size = (((max_blend_depth * 16u) * 16u) * 1u) * 4u;
uint param_89 = scratch_size;
MallocResult _2293 = malloc(param_89);
MallocResult scratch = _2293;
Alloc param_90 = scratch_alloc;
uint param_91 = scratch_alloc.offset;
Alloc param_92 = scratch.alloc;
alloc_write(param_90, param_91, param_92);
}
}
}

648
piet-gpu/shader/gen/coarse.msl generated
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File diff suppressed because it is too large Load diff

BIN
piet-gpu/shader/gen/coarse.spv generated
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BIN
piet-gpu/shader/gen/kernel4.dxil generated
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112
piet-gpu/shader/gen/kernel4.hlsl generated
View file

@ -999,6 +999,8 @@ void comp_main()
Alloc cmd_alloc = slice_mem(param, param_1, param_2);
CmdRef _1705 = { cmd_alloc.offset };
CmdRef cmd_ref = _1705;
uint blend_offset = _297.Load((cmd_ref.offset >> uint(2)) * 4 + 8);
cmd_ref.offset += 4u;
uint2 xy_uint = uint2(gl_LocalInvocationID.x + (16u * gl_WorkGroupID.x), gl_LocalInvocationID.y + (16u * gl_WorkGroupID.y));
float2 xy = float2(xy_uint);
float4 rgba[8];
@ -1011,7 +1013,9 @@ void comp_main()
float df[8];
TileSegRef tile_seg_ref;
float area[8];
uint blend_stack[128][8];
uint blend_stack[4][8];
uint base_ix_1;
uint bg_rgba;
while (mem_ok)
{
Alloc param_3 = cmd_alloc;
@ -1032,8 +1036,8 @@ void comp_main()
{
df[k] = 1000000000.0f;
}
TileSegRef _1800 = { stroke.tile_ref };
tile_seg_ref = _1800;
TileSegRef _1810 = { stroke.tile_ref };
tile_seg_ref = _1810;
do
{
uint param_7 = tile_seg_ref.offset;
@ -1069,8 +1073,8 @@ void comp_main()
{
area[k_3] = float(fill.backdrop);
}
TileSegRef _1920 = { fill.tile_ref };
tile_seg_ref = _1920;
TileSegRef _1930 = { fill.tile_ref };
tile_seg_ref = _1930;
do
{
uint param_15 = tile_seg_ref.offset;
@ -1159,10 +1163,10 @@ void comp_main()
int x = int(round(clamp(my_d, 0.0f, 1.0f) * 511.0f));
float4 fg_rgba = gradients[int2(x, int(lin.index))];
float3 param_29 = fg_rgba.xyz;
float3 _2254 = fromsRGB(param_29);
fg_rgba.x = _2254.x;
fg_rgba.y = _2254.y;
fg_rgba.z = _2254.z;
float3 _2264 = fromsRGB(param_29);
fg_rgba.x = _2264.x;
fg_rgba.y = _2264.y;
fg_rgba.z = _2264.z;
float4 fg_k_1 = fg_rgba * area[k_9];
rgba[k_9] = (rgba[k_9] * (1.0f - fg_k_1.w)) + fg_k_1;
}
@ -1185,10 +1189,10 @@ void comp_main()
int x_1 = int(round(clamp(t_2, 0.0f, 1.0f) * 511.0f));
float4 fg_rgba_1 = gradients[int2(x_1, int(rad.index))];
float3 param_33 = fg_rgba_1.xyz;
float3 _2364 = fromsRGB(param_33);
fg_rgba_1.x = _2364.x;
fg_rgba_1.y = _2364.y;
fg_rgba_1.z = _2364.z;
float3 _2374 = fromsRGB(param_33);
fg_rgba_1.x = _2374.x;
fg_rgba_1.y = _2374.y;
fg_rgba_1.z = _2374.z;
float4 fg_k_2 = fg_rgba_1 * area[k_10];
rgba[k_10] = (rgba[k_10] * (1.0f - fg_k_2.w)) + fg_k_2;
}
@ -1202,9 +1206,9 @@ void comp_main()
CmdImage fill_img = Cmd_Image_read(param_34, param_35);
uint2 param_36 = xy_uint;
CmdImage param_37 = fill_img;
float4 _2407[8];
fillImage(_2407, param_36, param_37);
float4 img[8] = _2407;
float4 _2417[8];
fillImage(_2417, param_36, param_37);
float4 img[8] = _2417;
for (uint k_11 = 0u; k_11 < 8u; k_11++)
{
float4 fg_k_3 = img[k_11] * area[k_11];
@ -1215,13 +1219,26 @@ void comp_main()
}
case 9u:
{
for (uint k_12 = 0u; k_12 < 8u; k_12++)
if (clip_depth < 4u)
{
uint d_2 = min(clip_depth, 127u);
float4 param_38 = float4(rgba[k_12]);
uint _2470 = packsRGB(param_38);
blend_stack[d_2][k_12] = _2470;
rgba[k_12] = 0.0f.xxxx;
for (uint k_12 = 0u; k_12 < 8u; k_12++)
{
float4 param_38 = float4(rgba[k_12]);
uint _2479 = packsRGB(param_38);
blend_stack[clip_depth][k_12] = _2479;
rgba[k_12] = 0.0f.xxxx;
}
}
else
{
uint base_ix = ((blend_offset >> uint(2)) + (((clip_depth - 4u) * 16u) * 16u)) + (8u * (gl_LocalInvocationID.x + (8u * gl_LocalInvocationID.y)));
for (uint k_13 = 0u; k_13 < 8u; k_13++)
{
float4 param_39 = float4(rgba[k_13]);
uint _2522 = packsRGB(param_39);
_297.Store((base_ix + k_13) * 4 + 8, _2522);
rgba[k_13] = 0.0f.xxxx;
}
}
clip_depth++;
cmd_ref.offset += 4u;
@ -1229,32 +1246,41 @@ void comp_main()
}
case 10u:
{
Alloc param_39 = cmd_alloc;
CmdRef param_40 = cmd_ref;
CmdEndClip end_clip = Cmd_EndClip_read(param_39, param_40);
uint blend_mode = end_clip.blend >> uint(8);
uint comp_mode = end_clip.blend & 255u;
Alloc param_40 = cmd_alloc;
CmdRef param_41 = cmd_ref;
CmdEndClip end_clip = Cmd_EndClip_read(param_40, param_41);
clip_depth--;
for (uint k_13 = 0u; k_13 < 8u; k_13++)
if (clip_depth >= 4u)
{
uint d_3 = min(clip_depth, 127u);
uint param_41 = blend_stack[d_3][k_13];
float4 bg = unpacksRGB(param_41);
float4 fg_1 = rgba[k_13] * area[k_13];
float4 param_42 = bg;
float4 param_43 = fg_1;
uint param_44 = end_clip.blend;
rgba[k_13] = mix_blend_compose(param_42, param_43, param_44);
base_ix_1 = ((blend_offset >> uint(2)) + (((clip_depth - 4u) * 16u) * 16u)) + (8u * (gl_LocalInvocationID.x + (8u * gl_LocalInvocationID.y)));
}
for (uint k_14 = 0u; k_14 < 8u; k_14++)
{
if (clip_depth < 4u)
{
bg_rgba = blend_stack[clip_depth][k_14];
}
else
{
bg_rgba = _297.Load((base_ix_1 + k_14) * 4 + 8);
}
uint param_42 = bg_rgba;
float4 bg = unpacksRGB(param_42);
float4 fg_1 = rgba[k_14] * area[k_14];
float4 param_43 = bg;
float4 param_44 = fg_1;
uint param_45 = end_clip.blend;
rgba[k_14] = mix_blend_compose(param_43, param_44, param_45);
}
cmd_ref.offset += 8u;
break;
}
case 11u:
{
Alloc param_45 = cmd_alloc;
CmdRef param_46 = cmd_ref;
CmdRef _2548 = { Cmd_Jump_read(param_45, param_46).new_ref };
cmd_ref = _2548;
Alloc param_46 = cmd_alloc;
CmdRef param_47 = cmd_ref;
CmdRef _2621 = { Cmd_Jump_read(param_46, param_47).new_ref };
cmd_ref = _2621;
cmd_alloc.offset = cmd_ref.offset;
break;
}
@ -1262,9 +1288,9 @@ void comp_main()
}
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
uint param_47 = i_1;
float3 param_48 = rgba[i_1].xyz;
image[int2(xy_uint + chunk_offset(param_47))] = float4(tosRGB(param_48), rgba[i_1].w);
uint param_48 = i_1;
float3 param_49 = rgba[i_1].xyz;
image[int2(xy_uint + chunk_offset(param_48))] = float4(tosRGB(param_49), rgba[i_1].w);
}
}

96
piet-gpu/shader/gen/kernel4.msl generated
View file

@ -1056,6 +1056,8 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
uint param_2 = 1024u;
Alloc cmd_alloc = slice_mem(param, param_1, param_2);
CmdRef cmd_ref = CmdRef{ cmd_alloc.offset };
uint blend_offset = v_297.memory[cmd_ref.offset >> uint(2)];
cmd_ref.offset += 4u;
uint2 xy_uint = uint2(gl_LocalInvocationID.x + (16u * gl_WorkGroupID.x), gl_LocalInvocationID.y + (16u * gl_WorkGroupID.y));
float2 xy = float2(xy_uint);
spvUnsafeArray<float4, 8> rgba;
@ -1068,7 +1070,9 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
spvUnsafeArray<float, 8> df;
TileSegRef tile_seg_ref;
spvUnsafeArray<float, 8> area;
spvUnsafeArray<spvUnsafeArray<uint, 8>, 128> blend_stack;
spvUnsafeArray<spvUnsafeArray<uint, 8>, 4> blend_stack;
uint base_ix_1;
uint bg_rgba;
while (mem_ok)
{
Alloc param_3 = cmd_alloc;
@ -1214,10 +1218,10 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
int x = int(round(fast::clamp(my_d, 0.0, 1.0) * 511.0));
float4 fg_rgba = gradients.read(uint2(int2(x, int(lin.index))));
float3 param_29 = fg_rgba.xyz;
float3 _2254 = fromsRGB(param_29);
fg_rgba.x = _2254.x;
fg_rgba.y = _2254.y;
fg_rgba.z = _2254.z;
float3 _2264 = fromsRGB(param_29);
fg_rgba.x = _2264.x;
fg_rgba.y = _2264.y;
fg_rgba.z = _2264.z;
float4 fg_k_1 = fg_rgba * area[k_9];
rgba[k_9] = (rgba[k_9] * (1.0 - fg_k_1.w)) + fg_k_1;
}
@ -1240,10 +1244,10 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
int x_1 = int(round(fast::clamp(t_2, 0.0, 1.0) * 511.0));
float4 fg_rgba_1 = gradients.read(uint2(int2(x_1, int(rad.index))));
float3 param_33 = fg_rgba_1.xyz;
float3 _2364 = fromsRGB(param_33);
fg_rgba_1.x = _2364.x;
fg_rgba_1.y = _2364.y;
fg_rgba_1.z = _2364.z;
float3 _2374 = fromsRGB(param_33);
fg_rgba_1.x = _2374.x;
fg_rgba_1.y = _2374.y;
fg_rgba_1.z = _2374.z;
float4 fg_k_2 = fg_rgba_1 * area[k_10];
rgba[k_10] = (rgba[k_10] * (1.0 - fg_k_2.w)) + fg_k_2;
}
@ -1269,13 +1273,26 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
}
case 9u:
{
for (uint k_12 = 0u; k_12 < 8u; k_12++)
if (clip_depth < 4u)
{
uint d_2 = min(clip_depth, 127u);
float4 param_38 = float4(rgba[k_12]);
uint _2470 = packsRGB(param_38);
blend_stack[d_2][k_12] = _2470;
rgba[k_12] = float4(0.0);
for (uint k_12 = 0u; k_12 < 8u; k_12++)
{
float4 param_38 = float4(rgba[k_12]);
uint _2479 = packsRGB(param_38);
blend_stack[clip_depth][k_12] = _2479;
rgba[k_12] = float4(0.0);
}
}
else
{
uint base_ix = ((blend_offset >> uint(2)) + (((clip_depth - 4u) * 16u) * 16u)) + (8u * (gl_LocalInvocationID.x + (8u * gl_LocalInvocationID.y)));
for (uint k_13 = 0u; k_13 < 8u; k_13++)
{
float4 param_39 = float4(rgba[k_13]);
uint _2522 = packsRGB(param_39);
v_297.memory[base_ix + k_13] = _2522;
rgba[k_13] = float4(0.0);
}
}
clip_depth++;
cmd_ref.offset += 4u;
@ -1283,31 +1300,40 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
}
case 10u:
{
Alloc param_39 = cmd_alloc;
CmdRef param_40 = cmd_ref;
CmdEndClip end_clip = Cmd_EndClip_read(param_39, param_40, v_297);
uint blend_mode = end_clip.blend >> uint(8);
uint comp_mode = end_clip.blend & 255u;
Alloc param_40 = cmd_alloc;
CmdRef param_41 = cmd_ref;
CmdEndClip end_clip = Cmd_EndClip_read(param_40, param_41, v_297);
clip_depth--;
for (uint k_13 = 0u; k_13 < 8u; k_13++)
if (clip_depth >= 4u)
{
uint d_3 = min(clip_depth, 127u);
uint param_41 = blend_stack[d_3][k_13];
float4 bg = unpacksRGB(param_41);
float4 fg_1 = rgba[k_13] * area[k_13];
float4 param_42 = bg;
float4 param_43 = fg_1;
uint param_44 = end_clip.blend;
rgba[k_13] = mix_blend_compose(param_42, param_43, param_44);
base_ix_1 = ((blend_offset >> uint(2)) + (((clip_depth - 4u) * 16u) * 16u)) + (8u * (gl_LocalInvocationID.x + (8u * gl_LocalInvocationID.y)));
}
for (uint k_14 = 0u; k_14 < 8u; k_14++)
{
if (clip_depth < 4u)
{
bg_rgba = blend_stack[clip_depth][k_14];
}
else
{
bg_rgba = v_297.memory[base_ix_1 + k_14];
}
uint param_42 = bg_rgba;
float4 bg = unpacksRGB(param_42);
float4 fg_1 = rgba[k_14] * area[k_14];
float4 param_43 = bg;
float4 param_44 = fg_1;
uint param_45 = end_clip.blend;
rgba[k_14] = mix_blend_compose(param_43, param_44, param_45);
}
cmd_ref.offset += 8u;
break;
}
case 11u:
{
Alloc param_45 = cmd_alloc;
CmdRef param_46 = cmd_ref;
cmd_ref = CmdRef{ Cmd_Jump_read(param_45, param_46, v_297).new_ref };
Alloc param_46 = cmd_alloc;
CmdRef param_47 = cmd_ref;
cmd_ref = CmdRef{ Cmd_Jump_read(param_46, param_47, v_297).new_ref };
cmd_alloc.offset = cmd_ref.offset;
break;
}
@ -1315,9 +1341,9 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
}
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
uint param_47 = i_1;
float3 param_48 = rgba[i_1].xyz;
image.write(float4(tosRGB(param_48), rgba[i_1].w), uint2(int2(xy_uint + chunk_offset(param_47))));
uint param_48 = i_1;
float3 param_49 = rgba[i_1].xyz;
image.write(float4(tosRGB(param_49), rgba[i_1].w), uint2(int2(xy_uint + chunk_offset(param_48))));
}
}

BIN
piet-gpu/shader/gen/kernel4.spv generated
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piet-gpu/shader/gen/kernel4_gray.dxil generated
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110
piet-gpu/shader/gen/kernel4_gray.hlsl generated
View file

@ -999,6 +999,8 @@ void comp_main()
Alloc cmd_alloc = slice_mem(param, param_1, param_2);
CmdRef _1705 = { cmd_alloc.offset };
CmdRef cmd_ref = _1705;
uint blend_offset = _297.Load((cmd_ref.offset >> uint(2)) * 4 + 8);
cmd_ref.offset += 4u;
uint2 xy_uint = uint2(gl_LocalInvocationID.x + (16u * gl_WorkGroupID.x), gl_LocalInvocationID.y + (16u * gl_WorkGroupID.y));
float2 xy = float2(xy_uint);
float4 rgba[8];
@ -1011,7 +1013,9 @@ void comp_main()
float df[8];
TileSegRef tile_seg_ref;
float area[8];
uint blend_stack[128][8];
uint blend_stack[4][8];
uint base_ix_1;
uint bg_rgba;
while (mem_ok)
{
Alloc param_3 = cmd_alloc;
@ -1032,8 +1036,8 @@ void comp_main()
{
df[k] = 1000000000.0f;
}
TileSegRef _1800 = { stroke.tile_ref };
tile_seg_ref = _1800;
TileSegRef _1810 = { stroke.tile_ref };
tile_seg_ref = _1810;
do
{
uint param_7 = tile_seg_ref.offset;
@ -1069,8 +1073,8 @@ void comp_main()
{
area[k_3] = float(fill.backdrop);
}
TileSegRef _1920 = { fill.tile_ref };
tile_seg_ref = _1920;
TileSegRef _1930 = { fill.tile_ref };
tile_seg_ref = _1930;
do
{
uint param_15 = tile_seg_ref.offset;
@ -1159,10 +1163,10 @@ void comp_main()
int x = int(round(clamp(my_d, 0.0f, 1.0f) * 511.0f));
float4 fg_rgba = gradients[int2(x, int(lin.index))];
float3 param_29 = fg_rgba.xyz;
float3 _2254 = fromsRGB(param_29);
fg_rgba.x = _2254.x;
fg_rgba.y = _2254.y;
fg_rgba.z = _2254.z;
float3 _2264 = fromsRGB(param_29);
fg_rgba.x = _2264.x;
fg_rgba.y = _2264.y;
fg_rgba.z = _2264.z;
float4 fg_k_1 = fg_rgba * area[k_9];
rgba[k_9] = (rgba[k_9] * (1.0f - fg_k_1.w)) + fg_k_1;
}
@ -1185,10 +1189,10 @@ void comp_main()
int x_1 = int(round(clamp(t_2, 0.0f, 1.0f) * 511.0f));
float4 fg_rgba_1 = gradients[int2(x_1, int(rad.index))];
float3 param_33 = fg_rgba_1.xyz;
float3 _2364 = fromsRGB(param_33);
fg_rgba_1.x = _2364.x;
fg_rgba_1.y = _2364.y;
fg_rgba_1.z = _2364.z;
float3 _2374 = fromsRGB(param_33);
fg_rgba_1.x = _2374.x;
fg_rgba_1.y = _2374.y;
fg_rgba_1.z = _2374.z;
float4 fg_k_2 = fg_rgba_1 * area[k_10];
rgba[k_10] = (rgba[k_10] * (1.0f - fg_k_2.w)) + fg_k_2;
}
@ -1202,9 +1206,9 @@ void comp_main()
CmdImage fill_img = Cmd_Image_read(param_34, param_35);
uint2 param_36 = xy_uint;
CmdImage param_37 = fill_img;
float4 _2407[8];
fillImage(_2407, param_36, param_37);
float4 img[8] = _2407;
float4 _2417[8];
fillImage(_2417, param_36, param_37);
float4 img[8] = _2417;
for (uint k_11 = 0u; k_11 < 8u; k_11++)
{
float4 fg_k_3 = img[k_11] * area[k_11];
@ -1215,13 +1219,26 @@ void comp_main()
}
case 9u:
{
for (uint k_12 = 0u; k_12 < 8u; k_12++)
if (clip_depth < 4u)
{
uint d_2 = min(clip_depth, 127u);
float4 param_38 = float4(rgba[k_12]);
uint _2470 = packsRGB(param_38);
blend_stack[d_2][k_12] = _2470;
rgba[k_12] = 0.0f.xxxx;
for (uint k_12 = 0u; k_12 < 8u; k_12++)
{
float4 param_38 = float4(rgba[k_12]);
uint _2479 = packsRGB(param_38);
blend_stack[clip_depth][k_12] = _2479;
rgba[k_12] = 0.0f.xxxx;
}
}
else
{
uint base_ix = ((blend_offset >> uint(2)) + (((clip_depth - 4u) * 16u) * 16u)) + (8u * (gl_LocalInvocationID.x + (8u * gl_LocalInvocationID.y)));
for (uint k_13 = 0u; k_13 < 8u; k_13++)
{
float4 param_39 = float4(rgba[k_13]);
uint _2522 = packsRGB(param_39);
_297.Store((base_ix + k_13) * 4 + 8, _2522);
rgba[k_13] = 0.0f.xxxx;
}
}
clip_depth++;
cmd_ref.offset += 4u;
@ -1229,32 +1246,41 @@ void comp_main()
}
case 10u:
{
Alloc param_39 = cmd_alloc;
CmdRef param_40 = cmd_ref;
CmdEndClip end_clip = Cmd_EndClip_read(param_39, param_40);
uint blend_mode = end_clip.blend >> uint(8);
uint comp_mode = end_clip.blend & 255u;
Alloc param_40 = cmd_alloc;
CmdRef param_41 = cmd_ref;
CmdEndClip end_clip = Cmd_EndClip_read(param_40, param_41);
clip_depth--;
for (uint k_13 = 0u; k_13 < 8u; k_13++)
if (clip_depth >= 4u)
{
uint d_3 = min(clip_depth, 127u);
uint param_41 = blend_stack[d_3][k_13];
float4 bg = unpacksRGB(param_41);
float4 fg_1 = rgba[k_13] * area[k_13];
float4 param_42 = bg;
float4 param_43 = fg_1;
uint param_44 = end_clip.blend;
rgba[k_13] = mix_blend_compose(param_42, param_43, param_44);
base_ix_1 = ((blend_offset >> uint(2)) + (((clip_depth - 4u) * 16u) * 16u)) + (8u * (gl_LocalInvocationID.x + (8u * gl_LocalInvocationID.y)));
}
for (uint k_14 = 0u; k_14 < 8u; k_14++)
{
if (clip_depth < 4u)
{
bg_rgba = blend_stack[clip_depth][k_14];
}
else
{
bg_rgba = _297.Load((base_ix_1 + k_14) * 4 + 8);
}
uint param_42 = bg_rgba;
float4 bg = unpacksRGB(param_42);
float4 fg_1 = rgba[k_14] * area[k_14];
float4 param_43 = bg;
float4 param_44 = fg_1;
uint param_45 = end_clip.blend;
rgba[k_14] = mix_blend_compose(param_43, param_44, param_45);
}
cmd_ref.offset += 8u;
break;
}
case 11u:
{
Alloc param_45 = cmd_alloc;
CmdRef param_46 = cmd_ref;
CmdRef _2548 = { Cmd_Jump_read(param_45, param_46).new_ref };
cmd_ref = _2548;
Alloc param_46 = cmd_alloc;
CmdRef param_47 = cmd_ref;
CmdRef _2621 = { Cmd_Jump_read(param_46, param_47).new_ref };
cmd_ref = _2621;
cmd_alloc.offset = cmd_ref.offset;
break;
}
@ -1262,8 +1288,8 @@ void comp_main()
}
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
uint param_47 = i_1;
image[int2(xy_uint + chunk_offset(param_47))] = rgba[i_1].w.x;
uint param_48 = i_1;
image[int2(xy_uint + chunk_offset(param_48))] = rgba[i_1].w.x;
}
}

94
piet-gpu/shader/gen/kernel4_gray.msl generated
View file

@ -1056,6 +1056,8 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
uint param_2 = 1024u;
Alloc cmd_alloc = slice_mem(param, param_1, param_2);
CmdRef cmd_ref = CmdRef{ cmd_alloc.offset };
uint blend_offset = v_297.memory[cmd_ref.offset >> uint(2)];
cmd_ref.offset += 4u;
uint2 xy_uint = uint2(gl_LocalInvocationID.x + (16u * gl_WorkGroupID.x), gl_LocalInvocationID.y + (16u * gl_WorkGroupID.y));
float2 xy = float2(xy_uint);
spvUnsafeArray<float4, 8> rgba;
@ -1068,7 +1070,9 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
spvUnsafeArray<float, 8> df;
TileSegRef tile_seg_ref;
spvUnsafeArray<float, 8> area;
spvUnsafeArray<spvUnsafeArray<uint, 8>, 128> blend_stack;
spvUnsafeArray<spvUnsafeArray<uint, 8>, 4> blend_stack;
uint base_ix_1;
uint bg_rgba;
while (mem_ok)
{
Alloc param_3 = cmd_alloc;
@ -1214,10 +1218,10 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
int x = int(round(fast::clamp(my_d, 0.0, 1.0) * 511.0));
float4 fg_rgba = gradients.read(uint2(int2(x, int(lin.index))));
float3 param_29 = fg_rgba.xyz;
float3 _2254 = fromsRGB(param_29);
fg_rgba.x = _2254.x;
fg_rgba.y = _2254.y;
fg_rgba.z = _2254.z;
float3 _2264 = fromsRGB(param_29);
fg_rgba.x = _2264.x;
fg_rgba.y = _2264.y;
fg_rgba.z = _2264.z;
float4 fg_k_1 = fg_rgba * area[k_9];
rgba[k_9] = (rgba[k_9] * (1.0 - fg_k_1.w)) + fg_k_1;
}
@ -1240,10 +1244,10 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
int x_1 = int(round(fast::clamp(t_2, 0.0, 1.0) * 511.0));
float4 fg_rgba_1 = gradients.read(uint2(int2(x_1, int(rad.index))));
float3 param_33 = fg_rgba_1.xyz;
float3 _2364 = fromsRGB(param_33);
fg_rgba_1.x = _2364.x;
fg_rgba_1.y = _2364.y;
fg_rgba_1.z = _2364.z;
float3 _2374 = fromsRGB(param_33);
fg_rgba_1.x = _2374.x;
fg_rgba_1.y = _2374.y;
fg_rgba_1.z = _2374.z;
float4 fg_k_2 = fg_rgba_1 * area[k_10];
rgba[k_10] = (rgba[k_10] * (1.0 - fg_k_2.w)) + fg_k_2;
}
@ -1269,13 +1273,26 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
}
case 9u:
{
for (uint k_12 = 0u; k_12 < 8u; k_12++)
if (clip_depth < 4u)
{
uint d_2 = min(clip_depth, 127u);
float4 param_38 = float4(rgba[k_12]);
uint _2470 = packsRGB(param_38);
blend_stack[d_2][k_12] = _2470;
rgba[k_12] = float4(0.0);
for (uint k_12 = 0u; k_12 < 8u; k_12++)
{
float4 param_38 = float4(rgba[k_12]);
uint _2479 = packsRGB(param_38);
blend_stack[clip_depth][k_12] = _2479;
rgba[k_12] = float4(0.0);
}
}
else
{
uint base_ix = ((blend_offset >> uint(2)) + (((clip_depth - 4u) * 16u) * 16u)) + (8u * (gl_LocalInvocationID.x + (8u * gl_LocalInvocationID.y)));
for (uint k_13 = 0u; k_13 < 8u; k_13++)
{
float4 param_39 = float4(rgba[k_13]);
uint _2522 = packsRGB(param_39);
v_297.memory[base_ix + k_13] = _2522;
rgba[k_13] = float4(0.0);
}
}
clip_depth++;
cmd_ref.offset += 4u;
@ -1283,31 +1300,40 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
}
case 10u:
{
Alloc param_39 = cmd_alloc;
CmdRef param_40 = cmd_ref;
CmdEndClip end_clip = Cmd_EndClip_read(param_39, param_40, v_297);
uint blend_mode = end_clip.blend >> uint(8);
uint comp_mode = end_clip.blend & 255u;
Alloc param_40 = cmd_alloc;
CmdRef param_41 = cmd_ref;
CmdEndClip end_clip = Cmd_EndClip_read(param_40, param_41, v_297);
clip_depth--;
for (uint k_13 = 0u; k_13 < 8u; k_13++)
if (clip_depth >= 4u)
{
uint d_3 = min(clip_depth, 127u);
uint param_41 = blend_stack[d_3][k_13];
float4 bg = unpacksRGB(param_41);
float4 fg_1 = rgba[k_13] * area[k_13];
float4 param_42 = bg;
float4 param_43 = fg_1;
uint param_44 = end_clip.blend;
rgba[k_13] = mix_blend_compose(param_42, param_43, param_44);
base_ix_1 = ((blend_offset >> uint(2)) + (((clip_depth - 4u) * 16u) * 16u)) + (8u * (gl_LocalInvocationID.x + (8u * gl_LocalInvocationID.y)));
}
for (uint k_14 = 0u; k_14 < 8u; k_14++)
{
if (clip_depth < 4u)
{
bg_rgba = blend_stack[clip_depth][k_14];
}
else
{
bg_rgba = v_297.memory[base_ix_1 + k_14];
}
uint param_42 = bg_rgba;
float4 bg = unpacksRGB(param_42);
float4 fg_1 = rgba[k_14] * area[k_14];
float4 param_43 = bg;
float4 param_44 = fg_1;
uint param_45 = end_clip.blend;
rgba[k_14] = mix_blend_compose(param_43, param_44, param_45);
}
cmd_ref.offset += 8u;
break;
}
case 11u:
{
Alloc param_45 = cmd_alloc;
CmdRef param_46 = cmd_ref;
cmd_ref = CmdRef{ Cmd_Jump_read(param_45, param_46, v_297).new_ref };
Alloc param_46 = cmd_alloc;
CmdRef param_47 = cmd_ref;
cmd_ref = CmdRef{ Cmd_Jump_read(param_46, param_47, v_297).new_ref };
cmd_alloc.offset = cmd_ref.offset;
break;
}
@ -1315,8 +1341,8 @@ kernel void main0(device Memory& v_297 [[buffer(0)]], const device ConfigBuf& _1
}
for (uint i_1 = 0u; i_1 < 8u; i_1++)
{
uint param_47 = i_1;
image.write(float4(rgba[i_1].w), uint2(int2(xy_uint + chunk_offset(param_47))));
uint param_48 = i_1;
image.write(float4(rgba[i_1].w), uint2(int2(xy_uint + chunk_offset(param_48))));
}
}

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piet-gpu/shader/gen/kernel4_gray.spv generated
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piet-gpu/shader/gen/path_coarse.dxil generated
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piet-gpu/shader/gen/pathseg.dxil generated
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piet-gpu/shader/gen/pathtag_reduce.dxil generated
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piet-gpu/shader/gen/pathtag_root.dxil generated
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piet-gpu/shader/gen/transform_leaf.dxil generated
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piet-gpu/shader/gen/transform_root.dxil generated
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39
piet-gpu/shader/kernel4.comp
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@ -100,11 +100,14 @@ void main() {
Alloc cmd_alloc = slice_mem(conf.ptcl_alloc, tile_ix * PTCL_INITIAL_ALLOC, PTCL_INITIAL_ALLOC);
CmdRef cmd_ref = CmdRef(cmd_alloc.offset);
uint blend_offset = memory[cmd_ref.offset >> 2];
cmd_ref.offset += 4;
uvec2 xy_uint = uvec2(gl_LocalInvocationID.x + TILE_WIDTH_PX * gl_WorkGroupID.x,
gl_LocalInvocationID.y + TILE_HEIGHT_PX * gl_WorkGroupID.y);
vec2 xy = vec2(xy_uint);
mediump vec4 rgba[CHUNK];
uint blend_stack[MAX_BLEND_STACK][CHUNK];
uint blend_stack[BLEND_STACK_SPLIT][CHUNK];
for (uint i = 0; i < CHUNK; i++) {
rgba[i] = vec4(0.0);
}
@ -236,24 +239,38 @@ void main() {
cmd_ref.offset += 4 + CmdImage_size;
break;
case Cmd_BeginClip:
for (uint k = 0; k < CHUNK; k++) {
// We reject any inputs that might overflow in render_ctx.rs.
// The following is a sanity check so we don't corrupt memory should there be malformed inputs.
uint d = min(clip_depth, MAX_BLEND_STACK - 1);
blend_stack[d][k] = packsRGB(vec4(rgba[k]));
rgba[k] = vec4(0.0);
if (clip_depth < BLEND_STACK_SPLIT) {
for (uint k = 0; k < CHUNK; k++) {
blend_stack[clip_depth][k] = packsRGB(vec4(rgba[k]));
rgba[k] = vec4(0.0);
}
} else {
uint base_ix = (blend_offset >> 2) + (clip_depth - BLEND_STACK_SPLIT) * TILE_HEIGHT_PX * TILE_WIDTH_PX +
CHUNK * (gl_LocalInvocationID.x + CHUNK_DX * gl_LocalInvocationID.y);
for (uint k = 0; k < CHUNK; k++) {
memory[base_ix + k] = packsRGB(vec4(rgba[k]));
rgba[k] = vec4(0.0);
}
}
clip_depth++;
cmd_ref.offset += 4;
break;
case Cmd_EndClip:
CmdEndClip end_clip = Cmd_EndClip_read(cmd_alloc, cmd_ref);
uint blend_mode = uint(end_clip.blend >> 8);
uint comp_mode = uint(end_clip.blend & 0xFF);
clip_depth--;
uint base_ix;
if (clip_depth >= BLEND_STACK_SPLIT) {
base_ix = (blend_offset >> 2) + (clip_depth - BLEND_STACK_SPLIT) * TILE_HEIGHT_PX * TILE_WIDTH_PX +
CHUNK * (gl_LocalInvocationID.x + CHUNK_DX * gl_LocalInvocationID.y);
}
for (uint k = 0; k < CHUNK; k++) {
uint d = min(clip_depth, MAX_BLEND_STACK - 1);
mediump vec4 bg = unpacksRGB(blend_stack[d][k]);
uint bg_rgba;
if (clip_depth < BLEND_STACK_SPLIT) {
bg_rgba = blend_stack[clip_depth][k];
} else {
bg_rgba = memory[base_ix + k];
}
mediump vec4 bg = unpacksRGB(bg_rgba);
mediump vec4 fg = rgba[k] * area[k];
rgba[k] = mix_blend_compose(bg, fg, end_clip.blend);
}

6
piet-gpu/shader/setup.h
View file

@ -27,6 +27,10 @@
#define GRADIENT_WIDTH 512
// We allocate this many blend stack entries in registers, and spill
// to memory for the overflow.
#define BLEND_STACK_SPLIT 4
#ifdef ERR_MALLOC_FAILED
struct Config {
uint n_elements; // paths
@ -91,7 +95,7 @@ struct Config {
#define MODE_STROKE 1
// Size of kernel4 clip state, in words.
#define CLIP_STATE_SIZE 2
#define CLIP_STATE_SIZE 1
// fill_mode_from_flags extracts the fill mode from tag flags.
uint fill_mode_from_flags(uint flags) {

2
piet-gpu/src/lib.rs
View file

@ -34,8 +34,6 @@ const TILE_H: usize = 16;
const PTCL_INITIAL_ALLOC: usize = 1024;
const MAX_BLEND_STACK: usize = 128;
#[allow(unused)]
fn dump_scene(buf: &[u8]) {
for i in 0..(buf.len() / 4) {

7
piet-gpu/src/render_ctx.rs
View file

@ -5,7 +5,6 @@ use std::borrow::Cow;
use crate::encoder::GlyphEncoder;
use crate::stages::{Config, Transform};
use crate::MAX_BLEND_STACK;
use piet::kurbo::{Affine, PathEl, Point, Rect, Shape};
use piet::{
Color, Error, FixedGradient, ImageFormat, InterpolationMode, IntoBrush, RenderContext,
@ -233,9 +232,6 @@ impl RenderContext for PietGpuRenderContext {
let path = shape.path_elements(TOLERANCE);
self.encode_path(path, true);
self.new_encoder.begin_clip(None);
if self.clip_stack.len() >= MAX_BLEND_STACK {
panic!("Maximum clip/blend stack size {} exceeded", MAX_BLEND_STACK);
}
self.clip_stack.push(ClipElement { blend: None });
if let Some(tos) = self.state_stack.last_mut() {
tos.n_clip += 1;
@ -337,9 +333,6 @@ impl PietGpuRenderContext {
let path = shape.path_elements(TOLERANCE);
self.encode_path(path, true);
self.new_encoder.begin_clip(Some(blend));
if self.clip_stack.len() >= MAX_BLEND_STACK {
panic!("Maximum clip/blend stack size {} exceeded", MAX_BLEND_STACK);
}
self.clip_stack.push(ClipElement { blend: Some(blend) });
if let Some(tos) = self.state_stack.last_mut() {
tos.n_clip += 1;