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Small optimization for Disable Alpha Test - makes sure we don't generate the same shader twice.

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This commit is contained in:
Henrik Rydgard 2013-10-22 15:15:13 +02:00
parent 614ec822e8
commit 2292531dd6
1 changed files with 4 additions and 3 deletions
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7
GPU/GLES/FragmentShaderGenerator.cpp
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@ -61,6 +61,7 @@ const bool safeDestFactors[16] = {
static bool IsAlphaTestTriviallyTrue() {
GEComparison alphaTestFunc = gstate.getAlphaTestFunction();
int alphaTestRef = gstate.getAlphaTestRef();
int alphaTestMask = gstate.getAlphaTestMask();
@ -155,7 +156,7 @@ void ComputeFragmentShaderID(FragmentShaderID *id) {
} else {
bool lmode = gstate.isUsingSecondaryColor() && gstate.isLightingEnabled();
bool enableFog = gstate.isFogEnabled() && !gstate.isModeThrough();
bool enableAlphaTest = gstate.isAlphaTestEnabled() && !IsAlphaTestTriviallyTrue();
bool enableAlphaTest = gstate.isAlphaTestEnabled() && !IsAlphaTestTriviallyTrue() && !g_Config.bDisableAlphaTest;
bool enableColorTest = gstate.isColorTestEnabled() && !IsColorTestTriviallyTrue();
bool enableColorDoubling = gstate.isColorDoublingEnabled();
// This isn't really correct, but it's a hack to get doubled blend modes to work more correctly.
@ -217,7 +218,7 @@ void GenerateFragmentShader(char *buffer) {
bool lmode = gstate.isUsingSecondaryColor() && gstate.isLightingEnabled();
bool doTexture = gstate.isTextureMapEnabled() && !gstate.isModeClear();
bool enableFog = gstate.isFogEnabled() && !gstate.isModeThrough() && !gstate.isModeClear();
bool enableAlphaTest = gstate.isAlphaTestEnabled() && !IsAlphaTestTriviallyTrue() && !gstate.isModeClear();
bool enableAlphaTest = gstate.isAlphaTestEnabled() && !IsAlphaTestTriviallyTrue() && !gstate.isModeClear() && !g_Config.bDisableAlphaTest;
bool enableColorTest = gstate.isColorTestEnabled() && !IsColorTestTriviallyTrue() && !gstate.isModeClear();
bool enableColorDoubling = gstate.isColorDoublingEnabled();
// This isn't really correct, but it's a hack to get doubled blend modes to work more correctly.
@ -325,7 +326,7 @@ void GenerateFragmentShader(char *buffer) {
WRITE(p, " vec4 v = v_color0 %s;\n", secondary);
}
if (enableAlphaTest && !g_Config.bDisableAlphaTest) {
if (enableAlphaTest) {
GEComparison alphaTestFunc = gstate.getAlphaTestFunction();
const char *alphaTestFuncs[] = { "#", "#", " != ", " == ", " >= ", " > ", " <= ", " < " }; // never/always don't make sense
if (alphaTestFuncs[alphaTestFunc][0] != '#') {