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implement framebuffer fetch

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This commit is contained in:
Samuliak 2025-01-08 16:09:15 +01:00
parent 68aa40518d
commit e4068856bc
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6 changed files with 184 additions and 98 deletions
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48
src/Cafe/HW/Latte/LegacyShaderDecompiler/LatteDecompilerEmitMSL.cpp
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@ -2260,6 +2260,22 @@ static void _emitTEXSampleTextureCode(LatteDecompilerShaderContext* shaderContex
return;
}
// Do a framebuffer fetch if possible
// TODO: filter out more?
uint8 renderTargetIndex = shaderContext->shader->textureRenderTargetIndex[texInstruction->textureFetch.textureIndex];
if (renderTargetIndex != 255)
{
src->addFmt("col{}.", renderTargetIndex);
// TODO: clean up
std::string components[] = {"x", "y", "z", "w"};
for (sint32 i = 0; i < numWrittenElements; i++)
{
src->addFmt("{}", components[i]);
}
src->add(");" _CRLF);
return;
}
if (emulateCompare)
{
cemu_assert_debug(!isGather);
@ -2630,20 +2646,28 @@ static void _emitTEXGetTextureResInfoCode(LatteDecompilerShaderContext* shaderCo
// todo - mip index parameter?
auto texDim = shaderContext->shader->textureUnitDim[texInstruction->textureFetch.textureIndex];
if (texDim == Latte::E_DIM::DIM_1D)
src->addFmt(" = int4(tex{}.get_width(), 1, 1, 1).", texInstruction->textureFetch.textureIndex);
else if (texDim == Latte::E_DIM::DIM_1D_ARRAY)
src->addFmt(" = int4(tex{}.get_width(), tex{}.get_array_size(), 1, 1).", texInstruction->textureFetch.textureIndex, texInstruction->textureFetch.textureIndex);
else if (texDim == Latte::E_DIM::DIM_2D || texDim == Latte::E_DIM::DIM_2D_MSAA)
src->addFmt(" = int4(tex{}.get_width(), tex{}.get_height(), 1, 1).", texInstruction->textureFetch.textureIndex, texInstruction->textureFetch.textureIndex);
else if (texDim == Latte::E_DIM::DIM_2D_ARRAY)
src->addFmt(" = int4(tex{}.get_width(), tex{}.get_height(), tex{}.get_array_size(), 1).", texInstruction->textureFetch.textureIndex, texInstruction->textureFetch.textureIndex, texInstruction->textureFetch.textureIndex);
if (shaderContext->shader->textureRenderTargetIndex[texInstruction->textureFetch.textureIndex] != 255)
{
// TODO: use the render target size
src->addFmt(" = int4(1920, 1080, 1, 1).");
}
else
{
cemu_assert_debug(false);
src->addFmt(" = int4(tex{}.get_width(), tex{}.get_height(), 1, 1).", texInstruction->textureFetch.textureIndex, texInstruction->textureFetch.textureIndex);
auto texDim = shaderContext->shader->textureUnitDim[texInstruction->textureFetch.textureIndex];
if (texDim == Latte::E_DIM::DIM_1D)
src->addFmt(" = int4(tex{}.get_width(), 1, 1, 1).", texInstruction->textureFetch.textureIndex);
else if (texDim == Latte::E_DIM::DIM_1D_ARRAY)
src->addFmt(" = int4(tex{}.get_width(), tex{}.get_array_size(), 1, 1).", texInstruction->textureFetch.textureIndex, texInstruction->textureFetch.textureIndex);
else if (texDim == Latte::E_DIM::DIM_2D || texDim == Latte::E_DIM::DIM_2D_MSAA)
src->addFmt(" = int4(tex{}.get_width(), tex{}.get_height(), 1, 1).", texInstruction->textureFetch.textureIndex, texInstruction->textureFetch.textureIndex);
else if (texDim == Latte::E_DIM::DIM_2D_ARRAY)
src->addFmt(" = int4(tex{}.get_width(), tex{}.get_height(), tex{}.get_array_size(), 1).", texInstruction->textureFetch.textureIndex, texInstruction->textureFetch.textureIndex, texInstruction->textureFetch.textureIndex);
else
{
cemu_assert_debug(false);
src->addFmt(" = int4(tex{}.get_width(), tex{}.get_height(), 1, 1).", texInstruction->textureFetch.textureIndex, texInstruction->textureFetch.textureIndex);
}
}
for(sint32 f=0; f<4; f++)