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Fix DXIL Shader Debugger GPU implementation of EXP & LOG

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DXIL EXP is exp2. HLSL is exp.
DXIL LOG is log2. HLSL is ln.
This commit is contained in:
Jake Turner
2024-07-02 14:13:31 +01:00
parent 1307393836
commit dbd4d7cf0d
1 changed files with 8 additions and 2 deletions
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renderdoc/data/hlsl/shaderdebug.hlsl
+8 -2
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@@ -52,8 +52,14 @@ RWStructuredBuffer<OutStruct> outBuf : register(u1);
case DEBUG_SAMPLE_MATH_DXIL_HCOS: outBuf[0].outf[0] = cosh(mathInVal); break;
case DEBUG_SAMPLE_MATH_DXIL_HSIN: outBuf[0].outf[0] = sinh(mathInVal); break;
case DEBUG_SAMPLE_MATH_DXIL_HTAN: outBuf[0].outf[0] = tanh(mathInVal); break;
case DEBUG_SAMPLE_MATH_DXIL_EXP: outBuf[0].outf[0] = exp(mathInVal); break;
case DEBUG_SAMPLE_MATH_DXIL_LOG: outBuf[0].outf[0] = log(mathInVal); break;
case DEBUG_SAMPLE_MATH_DXIL_EXP:
// DXIL EXP is exp2. HLSL is exp. exp2(x) = exp(x * ln(2))
outBuf[0].outf[0] = exp(mathInVal * log(2.0));
break;
case DEBUG_SAMPLE_MATH_DXIL_LOG:
// DXIL LOG is log2. HLSL is ln. log2(x) = ln(x) / ln(2))
outBuf[0].outf[0] = log(mathInVal) / log(2.0);
break;
case DEBUG_SAMPLE_MATH_DXIL_SQRT: outBuf[0].outf[0] = sqrt(mathInVal); break;
case DEBUG_SAMPLE_MATH_DXIL_RSQRT: outBuf[0].outf[0] = rsqrt(mathInVal); break;
default: break;