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PixelShaderGen: Do not write depth in pixel shader if depth testing (and thus writing) is not enabled. Should improve performance quite a bit in some cases.

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Fixes issue 6474.
This commit is contained in:
NeoBrainX 2013-08-12 09:33:36 +00:00
parent 7f3c06de27
commit 4c22e1264e
1 changed files with 1 additions and 1 deletions
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Source/Core/VideoCommon/Src/PixelShaderGen.cpp
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@ -259,7 +259,7 @@ static void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_TYPE Api
unsigned int numTexgen = bpmem.genMode.numtexgens;
const bool forced_early_z = g_ActiveConfig.backend_info.bSupportsEarlyZ && bpmem.UseEarlyDepthTest() && (g_ActiveConfig.bFastDepthCalc || bpmem.alpha_test.TestResult() == AlphaTest::UNDETERMINED);
const bool per_pixel_depth = (bpmem.ztex2.op != ZTEXTURE_DISABLE && bpmem.UseLateDepthTest()) || (!g_ActiveConfig.bFastDepthCalc && !forced_early_z);
const bool per_pixel_depth = (bpmem.ztex2.op != ZTEXTURE_DISABLE && bpmem.UseLateDepthTest()) || (!g_ActiveConfig.bFastDepthCalc && bpmem.zmode.testenable && !forced_early_z);
out.Write("//Pixel Shader for TEV stages\n");
out.Write("//%i TEV stages, %i texgens, %i IND stages\n",