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Latte: Support burst for vertex exports

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Previously we only supported the 0th index basically. This fixes a few shaders generated by CafeGLSL.
This commit is contained in:
Crementif committed 2026-10-02 22:11:02 +02:00
1 parent 9a3f9b79a4
commit 32e6628a6a
3 files changed
+84 -23
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src/Cafe/HW/Latte/LegacyShaderDecompiler/LatteDecompilerAnalyzer.cpp
+10 -1
View File
@@ -416,7 +416,16 @@ void LatteDecompiler_analyzeExport(LatteDecompilerShaderContext* shaderContext,
{
if (cfInstruction->exportType == 2 && cfInstruction->exportArrayBase < 32)
{
shaderContext->shader->outputParameterMask |= (1<<cfInstruction->exportArrayBase);
for (uint32 burstIndex = 0; burstIndex < (cfInstruction->exportBurstCount + 1); burstIndex++)
{
uint32 paramIndex = cfInstruction->exportArrayBase + burstIndex;
if (paramIndex >= 32)
{
cemu_assert_unimplemented();
break;
}
shaderContext->shader->outputParameterMask |= (1u << paramIndex);
}
}
else if (cfInstruction->exportType == 1 && cfInstruction->exportArrayBase == GPU7_DECOMPILER_CF_EXPORT_POINT_SIZE)
{
src/Cafe/HW/Latte/LegacyShaderDecompiler/LatteDecompilerEmitGLSL.cpp
+37 -11
View File
@@ -3147,7 +3147,7 @@ void _emitExportCode(LatteDecompilerShaderContext* shaderContext, LatteDecompile
src->add("// export" _CRLF);
if(shaderContext->shaderType == LatteConst::ShaderType::Vertex )
{
if( cfInstruction->exportBurstCount != 0 )
if( cfInstruction->exportBurstCount != 0 && cfInstruction->exportType != 2 )
debugBreakpoint();
if (cfInstruction->exportType == 1 && cfInstruction->exportArrayBase == GPU7_DECOMPILER_CF_EXPORT_BASE_POSITION)
{
@@ -3188,17 +3188,43 @@ void _emitExportCode(LatteDecompilerShaderContext* shaderContext, LatteDecompile
else if( cfInstruction->exportType == 2 && cfInstruction->exportArrayBase < 32 )
{
// export parameter
sint32 paramIndex = cfInstruction->exportArrayBase;
uint32 vsSemanticId = _getVertexShaderOutParamSemanticId(shaderContext->contextRegisters, paramIndex);
if (vsSemanticId != 0xFF)
for (uint32 burstIndex = 0; burstIndex < (cfInstruction->exportBurstCount + 1); burstIndex++)
{
src->addFmt("passParameterSem{} = ", vsSemanticId);
_emitExportGPRReadCode(shaderContext, cfInstruction, LATTE_DECOMPILER_DTYPE_FLOAT, 0);
src->add(";" _CRLF);
}
else
{
src->add("// skipped export to semanticId 255" _CRLF);
uint32 paramIndex = cfInstruction->exportArrayBase + burstIndex;
if (paramIndex >= 32)
{
cemu_assert_unimplemented();
break;
}
uint32 vsSemanticId = _getVertexShaderOutParamSemanticId(shaderContext->contextRegisters, paramIndex);
if (vsSemanticId != 0xFF)
{
// preserve earlier exports for masked components
char componentMask[5]{};
uint32 componentCount = 0;
for (uint32 component = 0; component < 4; component++)
{
if (cfInstruction->exportComponentSel[component] != 7)
{
componentMask[componentCount] = _getElementStrByIndex(component)[0];
componentCount++;
}
}
if (componentCount == 0)
continue;
src->addFmt("passParameterSem{}", vsSemanticId);
if (componentCount < 4)
src->addFmt(".{}", componentMask);
src->add(" = ");
_emitExportGPRReadCode(shaderContext, cfInstruction, LATTE_DECOMPILER_DTYPE_FLOAT, burstIndex);
if (componentCount < 4)
src->addFmt(".{}", componentMask);
src->add(";" _CRLF);
}
else
{
src->add("// skipped export to semanticId 255" _CRLF);
}
}
}
else
src/Cafe/HW/Latte/LegacyShaderDecompiler/LatteDecompilerEmitMSL.cpp
+37 -11
View File
@@ -3125,7 +3125,7 @@ static void _emitExportCode(LatteDecompilerShaderContext* shaderContext, LatteDe
return;
}
if( cfInstruction->exportBurstCount != 0 )
if( cfInstruction->exportBurstCount != 0 && cfInstruction->exportType != 2 )
debugBreakpoint();
if (cfInstruction->exportType == 1 && cfInstruction->exportArrayBase == GPU7_DECOMPILER_CF_EXPORT_BASE_POSITION)
{
@@ -3166,17 +3166,43 @@ static void _emitExportCode(LatteDecompilerShaderContext* shaderContext, LatteDe
else if( cfInstruction->exportType == 2 && cfInstruction->exportArrayBase < 32 )
{
// export parameter
sint32 paramIndex = cfInstruction->exportArrayBase;
uint32 vsSemanticId = _getVertexShaderOutParamSemanticId(shaderContext->contextRegisters, paramIndex);
if (vsSemanticId != 0xFF)
for (uint32 burstIndex = 0; burstIndex < (cfInstruction->exportBurstCount + 1); burstIndex++)
{
src->addFmt("out.passParameterSem{} = ", vsSemanticId);
_emitExportGPRReadCode(shaderContext, cfInstruction, LATTE_DECOMPILER_DTYPE_FLOAT, 0);
src->add(";" _CRLF);
}
else
{
src->add("// skipped export to semanticId 255" _CRLF);
uint32 paramIndex = cfInstruction->exportArrayBase + burstIndex;
if (paramIndex >= 32)
{
cemu_assert_unimplemented();
break;
}
uint32 vsSemanticId = _getVertexShaderOutParamSemanticId(shaderContext->contextRegisters, paramIndex);
if (vsSemanticId != 0xFF)
{
// preserve earlier exports for masked components
char componentMask[5]{};
uint32 componentCount = 0;
for (uint32 component = 0; component < 4; component++)
{
if (cfInstruction->exportComponentSel[component] != 7)
{
componentMask[componentCount] = _getElementStrByIndex(component)[0];
componentCount++;
}
}
if (componentCount == 0)
continue;
src->addFmt("out.passParameterSem{}", vsSemanticId);
if (componentCount < 4)
src->addFmt(".{}", componentMask);
src->add(" = ");
_emitExportGPRReadCode(shaderContext, cfInstruction, LATTE_DECOMPILER_DTYPE_FLOAT, burstIndex);
if (componentCount < 4)
src->addFmt(".{}", componentMask);
src->add(";" _CRLF);
}
else
{
src->add("// skipped export to semanticId 255" _CRLF);
}
}
}
else