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. Fixes issue 6474.
dolphin-emu · Aug 12, 2013 · 4c22e12 · 4c22e12
1 parent 7f3c06d
commit 4c22e12
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Source/Core/VideoCommon/Src/PixelShaderGen.cpp b/Source/Core/VideoCommon/Src/PixelShaderGen.cpp
@@ -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",