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gpu: implement image_gather4

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draft image_gather4_lz implementation
This commit is contained in:
DH 2024-11-14 17:53:00 +03:00
parent c4d55af26a
commit 89d04a3d10
1 changed files with 41 additions and 2 deletions
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43
rpcsx/gpu/lib/gcn-shader/shaders/rdna.glsl
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@ -2829,12 +2829,51 @@ uint64_t findImagePixelAddress(int32_t imageMemoryIndexHint, uint32_t tbuffer[8]
return findImageUnormPixelAddress(imageMemoryIndexHint, tbuffer, umipLevel, arrayLayer, unormPos);
}
// void image_gather4(inout u32vec4 vdata, u32vec4 vaddr, int32_t textureIndexHint, uint32_t tbuffer[8], int32_t samplerIndexHint, u32vec4 samplerDescriptor) {}
void image_gather4(inout f32vec4 vdata, f32vec2 vaddr, int32_t textureIndexHint, uint32_t tbuffer[8], int32_t samplerIndexHint, u32vec4 ssampler, uint32_t dmask) {
uint16_t textureType = uint16_t(tbuffer_type(tbuffer));
switch (uint(textureType)) {
case kTextureType2D:
case kTextureTypeCube:
case kTextureTypeArray2D:
case kTextureTypeMsaa2D:
case kTextureTypeMsaaArray2D: {
if ((dmask & (1 << 0)) != 0) {
vdata = textureGather(sampler2D(
textures2D[findTexture2DIndex(textureIndexHint, tbuffer)],
samplers[findSamplerIndex(samplerIndexHint, ssampler)]
), vaddr, 0);
} else if ((dmask & (1 << 1)) != 0) {
vdata = textureGather(sampler2D(
textures2D[findTexture2DIndex(textureIndexHint, tbuffer)],
samplers[findSamplerIndex(samplerIndexHint, ssampler)]
), vaddr, 1);
} else if ((dmask & (1 << 2)) != 0) {
vdata = textureGather(sampler2D(
textures2D[findTexture2DIndex(textureIndexHint, tbuffer)],
samplers[findSamplerIndex(samplerIndexHint, ssampler)]
), vaddr, 2);
} else if ((dmask & (1 << 3)) != 0) {
vdata = textureGather(sampler2D(
textures2D[findTexture2DIndex(textureIndexHint, tbuffer)],
samplers[findSamplerIndex(samplerIndexHint, ssampler)]
), vaddr, 3);
}
break;
}
default:
return;
}
}
// image_gather4_cl
// image_gather4_l
// image_gather4_b
// image_gather4_b_cl
// image_gather4_lz
void image_gather4_lz(inout f32vec4 vdata, f32vec2 vaddr, int32_t textureIndexHint, uint32_t tbuffer[8], int32_t samplerIndexHint, u32vec4 ssampler, uint32_t dmask) {
// FIXME: implementation with explicit lod
image_gather4(vdata, vaddr, textureIndexHint, tbuffer, samplerIndexHint, ssampler, dmask);
}
// image_gather4_c
// image_gather4_c_cl
// image_gather4_c_l