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implement gather sampling

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This commit is contained in:
Samuliak 2024-08-29 14:03:48 +02:00
parent 074f9f6f3e
commit ccd72bfe45
2 changed files with 10 additions and 4 deletions
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12
src/Cafe/HW/Latte/LegacyShaderDecompiler/LatteDecompilerEmitMSL.cpp
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@ -2186,7 +2186,6 @@ static void _emitTEXSampleTextureCode(LatteDecompilerShaderContext* shaderContex
}
auto texDim = shaderContext->shader->textureUnitDim[texInstruction->textureFetch.textureIndex];
bool isCompare = shaderContext->shader->textureUsesDepthCompare[texInstruction->textureFetch.textureIndex];
char tempBuffer0[32];
char tempBuffer1[32];
@ -2246,6 +2245,9 @@ static void _emitTEXSampleTextureCode(LatteDecompilerShaderContext* shaderContex
src->add(" = (");
}
bool isCompare = shaderContext->shader->textureUsesDepthCompare[texInstruction->textureFetch.textureIndex];
bool isGather = (texOpcode == GPU7_TEX_INST_FETCH4);
bool unnormalizationHandled = false;
bool useTexelCoordinates = false;
@ -2267,7 +2269,6 @@ static void _emitTEXSampleTextureCode(LatteDecompilerShaderContext* shaderContex
if ((texOpcode == GPU7_TEX_INST_SAMPLE && (texInstruction->textureFetch.unnormalized[0] && texInstruction->textureFetch.unnormalized[1] && texInstruction->textureFetch.unnormalized[2] && texInstruction->textureFetch.unnormalized[3])) ||
texOpcode == GPU7_TEX_INST_LD)
{
// texture is likely a RECT
if (hasOffset)
cemu_assert_unimplemented();
src->add("read(");
@ -2276,7 +2277,10 @@ static void _emitTEXSampleTextureCode(LatteDecompilerShaderContext* shaderContex
}
else
{
src->add("sample");
if (isGather)
src->add("gather");
else
src->add("sample");
if (isCompare)
src->add("_compare");
src->addFmt("(samplr{}, ", texInstruction->textureFetch.textureIndex);
@ -2531,7 +2535,7 @@ static void _emitTEXSampleTextureCode(LatteDecompilerShaderContext* shaderContex
if( texInstruction->dstSel[f] < 4 )
{
uint8 elemIndex = texInstruction->dstSel[f];
if (texOpcode == GPU7_TEX_INST_FETCH4)
if (isGather)
{
// 's textureGather() and GPU7's FETCH4 instruction have a different order of elements
// xyzw: top-left, top-right, bottom-right, bottom-left

2
src/Cafe/HW/Latte/Renderer/Metal/MetalRenderer.cpp
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@ -968,6 +968,8 @@ void MetalRenderer::draw_execute(uint32 baseVertex, uint32 baseInstance, uint32
// Blend color
float* blendColorConstant = (float*)LatteGPUState.contextRegister + Latte::REGADDR::CB_BLEND_RED;
// TODO: only set when changed
renderCommandEncoder->setBlendColor(blendColorConstant[0], blendColorConstant[1], blendColorConstant[2], blendColorConstant[3]);
// polygon control