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(); }