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DXIL Debugger get PS inputs' interpolation mode from DXIL metadata

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This commit is contained in:
Jake Turner
2024-11-27 13:19:38 +00:00
parent dbf3569d26
commit 82825fdf90
1 changed files with 26 additions and 14 deletions
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renderdoc/driver/d3d12/d3d12_dxil_debug.cpp
+26 -14
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@@ -456,26 +456,38 @@ InterpolationMode GetInterpolationModeForInputParam(const SigParameter &sig,
return DXBC::InterpolationMode::INTERPOLATION_CONSTANT;
}
InterpolationMode interpolation = DXBC::InterpolationMode::INTERPOLATION_UNDEFINED;
// TODO SEARCH THE DXIL PROGRAM INPUTS FOR THE INTERPOLATION MODE
#if 0
if(program)
if(!program)
{
for(size_t d = 0; d < program->GetNumDeclarations(); d++)
RDCERR("No DXIL program");
return DXBC::InterpolationMode::INTERPOLATION_UNDEFINED;
}
// Search the DXIL shader meta data to get the interpolation mode
const DXIL::EntryPointInterface *entryPoint = program->GetEntryPointInterface();
if(!entryPoint)
{
RDCERR("No entry point interface found in DXIL program");
return DXBC::InterpolationMode::INTERPOLATION_UNDEFINED;
}
for(size_t j = 0; j < entryPoint->inputs.size(); ++j)
{
const EntryPointInterface::Signature &dxilSig = entryPoint->inputs[j];
if(dxilSig.startRow == (int32_t)sig.regIndex)
{
const DXBCBytecode::Declaration &decl = program->GetDeclaration(d);
if(decl.declaration == DXBCBytecode::OPCODE_DCL_INPUT_PS &&
decl.operand.indices[0].absolute && decl.operand.indices[0].index == sig.regIndex)
const int firstElem = sig.regChannelMask & 0x1 ? 0
: sig.regChannelMask & 0x2 ? 1
: sig.regChannelMask & 0x4 ? 2
: sig.regChannelMask & 0x8 ? 3
: -1;
if(dxilSig.startCol == firstElem)
{
interpolation = decl.inputOutput.inputInterpolation;
break;
if(sig.semanticName == dxilSig.name)
{
return (InterpolationMode)dxilSig.interpolation;
}
}
}
}
#endif
return interpolation;
return DXBC::InterpolationMode::INTERPOLATION_UNDEFINED;
}
RDCERR("Unexpected input signature type: %s", ToStr(sig.varType).c_str());