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do vertex buffer restride in a void vertex function

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This commit is contained in:
Samuliak 2024-08-13 18:28:10 +02:00
parent 5e9537c777
commit 27925a4fd9
5 changed files with 94 additions and 21 deletions
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14
src/Cafe/HW/Latte/Renderer/Metal/UtilityShaderSource.h
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@ -30,8 +30,20 @@ inline const char* utilityShaderSource = \
" uint dstSlice;\n" \
"};\n" \
"\n" \
"vertex void vertexCopyTextureToTexture(uint vid [[vertex_id]], texture2d_array<float, access::read> src [[texture(0)]], texture2d_array<float, access::write> dst [[texture(1)]], constant CopyParams& params) {\n" \
"vertex void vertexCopyTextureToTexture(uint vid [[vertex_id]], texture2d_array<float, access::read> src [[texture(0)]], texture2d_array<float, access::write> dst [[texture(1)]], constant CopyParams& params [[buffer(0)]]) {\n" \
" uint2 coord = uint2(vid % params.width, vid / params.width);\n" \
" return dst.write(float4(src.read(coord, params.srcSlice, params.srcMip).r, 0.0, 0.0, 0.0), coord, params.dstSlice, params.dstMip);\n" \
"}\n" \
"\n" \
"struct RestrideParams {\n" \
" uint oldStride;\n" \
" uint newStride;\n" \
"};\n" \
"\n" \
/* TODO: use uint32? Since that would require less iterations */ \
"vertex void vertexRestrideBuffer(uint vid [[vertex_id]], device uint8_t* src [[buffer(0)]], device uint8_t* dst [[buffer(1)]], constant RestrideParams& params [[buffer(2)]]) {\n" \
" for (uint32_t i = 0; i < params.oldStride; i++) {\n" \
" dst[vid * params.newStride + i] = src[vid * params.oldStride + i];\n" \
" }\n" \
"}\n" \
"\n";