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(); }