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do surface copy properly

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Samuliak 2024-08-28 13:43:06 +02:00
parent 1b44269d70
commit be76dadb90
4 changed files with 13 additions and 9 deletions
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4
src/Cafe/HW/Latte/Renderer/Metal/UtilityShaderSource.h
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@ -31,17 +31,19 @@ fragment float4 fragmentPresent(VertexOut in [[stage_in]], texture2d<float> tex
return tex.sample(samplr, in.texCoord);
}
/*
vertex void vertexCopyTextureToTexture(uint vid [[vertex_id]], texture2d<float, access::read> src [[texture(GET_TEXTURE_BINDING(0))]], texture2d<float, access::write> dst [[texture(GET_TEXTURE_BINDING(1))]], constant uint32_t& width [[buffer(GET_BUFFER_BINDING(0))]]) {
uint2 coord = uint2(vid % width, vid / width);
return dst.write(float4(src.read(coord).r, 0.0, 0.0, 0.0), coord);
}
*/
struct RestrideParams {
uint oldStride;
uint newStride;
};
/* TODO: use uint32? Since that would require less iterations */
// TODO: use uint32? Since that would require less iterations
vertex void vertexRestrideBuffer(uint vid [[vertex_id]], device uint8_t* src [[buffer(GET_BUFFER_BINDING(0))]], device uint8_t* dst [[buffer(GET_BUFFER_BINDING(1))]], constant RestrideParams& params [[buffer(GET_BUFFER_BINDING(2))]]) {
for (uint32_t i = 0; i < params.oldStride; i++) {
dst[vid * params.newStride + i] = src[vid * params.oldStride + i];