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Merge pull request #1704 from raven02/patch-1

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Add rounding to equality check for ColorTest
This commit is contained in:
Henrik Rydgård committed 2013-05-07 01:53:13 -07:00
2 parents 9952db718d 274b9c712c
commit 4d07fcd7c9
1 file changed
+5 -2
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GPU/GLES/FragmentShaderGenerator.cpp
+5 -2
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@@ -256,7 +256,7 @@ void GenerateFragmentShader(char *buffer) {
if (alphaTestFuncs[alphaTestFunc][0] != '#') {
// If it's an equality check (!=, ==, <=, >=), rounding is more likely to be important.
if (alphaTestFuncs[alphaTestFunc][2] == '=')
WRITE(p, " if (round255f(v.a) %s round255f(u_alphacolorref.a)) discard;\n", alphaTestFuncs[alphaTestFunc]);
WRITE(p, " if (round255f(v.a) %s u_alphacolorref.a) discard;\n", alphaTestFuncs[alphaTestFunc]);
else
WRITE(p, " if (v.a %s u_alphacolorref.a) discard;\n", alphaTestFuncs[alphaTestFunc]);
}
@@ -271,7 +271,10 @@ void GenerateFragmentShader(char *buffer) {
const char *colorTestFuncs[] = { "#", "#", " != ", " == " }; // never/always don't make sense
int colorTestMask = gstate.colormask;
if (colorTestFuncs[colorTestFunc][0] != '#')
WRITE(p, "if (v.rgb %s u_alphacolorref.rgb) discard;\n", colorTestFuncs[colorTestFunc]);
if (colorTestFuncs[colorTestFunc][2] == '=')
WRITE(p, "if (round255f(v.rgb) %s u_alphacolorref.rgb) discard;\n", colorTestFuncs[colorTestFunc]);
else
WRITE(p, "if (v.rgb %s u_alphacolorref.rgb) discard;\n", colorTestFuncs[colorTestFunc]);
}
if (enableFog) {