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Don't read invalid srcOpers when evaluating texture sample operations

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baldurk
2020-03-16 20:01:46 +00:00
parent 67447b7b7e
commit b502d64ada
1 changed files with 6 additions and 2 deletions
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renderdoc/driver/shaders/dxbc/dxbc_debug.cpp
+6 -2
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@@ -3884,8 +3884,12 @@ void ThreadState::StepNext(ShaderDebugState *state, DebugAPIWrapper *apiWrapper,
ddyCalc = srcOpers[4];
}
int multisampleIndex = srcOpers[2].value.i.x;
float lodOrCompareValue = srcOpers[3].value.f.x;
int multisampleIndex = 0;
if(srcOpers.size() >= 3)
multisampleIndex = srcOpers[2].value.i.x;
float lodOrCompareValue = 0.0f;
if(srcOpers.size() >= 4)
lodOrCompareValue = srcOpers[3].value.f.x;
if(op.operation == OPCODE_GATHER4_PO_C)
lodOrCompareValue = srcOpers[4].value.f.x;