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Merge pull request #1614 from unknownbrackets/gpu-minor

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Improve blending with two fixed colors
This commit is contained in:
Henrik Rydgård committed 2013-05-01 01:08:44 -07:00
2 parents 29651c026b 4009a37692
commit 74b55cc0ad
1 file changed
+13 -2
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GPU/GLES/StateMapping.cpp
+13 -2
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@@ -178,8 +178,19 @@ void TransformDrawEngine::ApplyDrawState(int prim) {
didReportBlend = true;
DEBUG_LOG(HLE, "ERROR INVALID blendcolorstate: FixA=%06x FixB=%06x FuncA=%i FuncB=%i", gstate.getFixA(), gstate.getFixB(), gstate.getBlendFuncA(), gstate.getBlendFuncB());
glBlendFuncA = GL_ONE;
glBlendFuncB = GL_ONE;
// Let's approximate, at least.
int blendSumA = (fixA & 0xFF) + ((fixA >> 8) & 0xFF) + ((fixA >> 16) & 0xFF);
int blendSumB = (fixB & 0xFF) + ((fixB >> 8) & 0xFF) + ((fixB >> 16) & 0xFF);
if (blendSumA < 64 * 3 && blendSumB > 192 * 3) {
glBlendFuncA = GL_ZERO;
glBlendFuncB = GL_ONE;
} else if (blendSumA > 192 * 3 && blendSumB < 64 * 3) {
glBlendFuncA = GL_ONE;
glBlendFuncB = GL_ZERO;
} else {
glBlendFuncA = GL_ONE;
glBlendFuncB = GL_ONE;
}
}
}
// At this point, through all paths above, glBlendFuncA and glBlendFuncB will be set somehow.