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Double alpha at least for a known case.

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Makes Popolocrois look much better now.
This commit is contained in:
Unknown W. Brackets 2013-04-30 00:04:20 -07:00
parent bc1e0d09d4
commit 8f27d03af3
1 changed files with 8 additions and 0 deletions
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8
GPU/GLES/FragmentShaderGenerator.cpp
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@ -86,6 +86,7 @@ void ComputeFragmentShaderID(FragmentShaderID *id) {
bool enableAlphaTest = gstate.isAlphaTestEnabled() && !IsAlphaTestTriviallyTrue();
bool enableColorTest = gstate.isColorTestEnabled() && !IsColorTestTriviallyTrue();
bool enableColorDoubling = (gstate.texfunc & 0x10000) != 0;
bool enableAlphaDoubling = gstate.getBlendFuncA() == GE_SRCBLEND_DOUBLESRCALPHA || gstate.getBlendFuncB() == GE_DSTBLEND_DOUBLESRCALPHA;
bool doTextureProjection = gstate.getUVGenMode() == 1;
// id->d[0] |= (gstate.clearmode & 1);
@ -105,6 +106,7 @@ void ComputeFragmentShaderID(FragmentShaderID *id) {
id->d[0] |= (enableFog & 1) << 15;
id->d[0] |= (doTextureProjection & 1) << 16;
id->d[0] |= (enableColorDoubling & 1) << 17;
id->d[0] |= (enableAlphaDoubling & 1) << 18;
}
}
@ -125,6 +127,8 @@ void GenerateFragmentShader(char *buffer) {
bool enableAlphaTest = gstate.isAlphaTestEnabled() && !IsAlphaTestTriviallyTrue() && !gstate.isModeClear();
bool enableColorTest = gstate.isColorTestEnabled() && !IsColorTestTriviallyTrue() && !gstate.isModeClear();
bool enableColorDoubling = (gstate.texfunc & 0x10000) != 0;
// TODO: This only does one of the four possible modes.
bool enableAlphaDoubling = gstate.getBlendFuncA() == GE_SRCBLEND_DOUBLESRCALPHA || gstate.getBlendFuncB() == GE_DSTBLEND_DOUBLESRCALPHA;
bool doTextureProjection = gstate.getUVGenMode() == 1;
if (doTexture)
@ -233,6 +237,10 @@ void GenerateFragmentShader(char *buffer) {
WRITE(p, " if (v.a %s u_alphacolorref.a) discard;\n", alphaTestFuncs[alphaTestFunc]);
}
}
if (enableAlphaDoubling) {
WRITE(p, " v.a = v.a * 2.0;\n");
}
if (enableColorTest) {
int colorTestFunc = gstate.colortest & 3;