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Add GL_EXT_frag_depth.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24003 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-11-11 20:51:50 +00:00
parent 06a37c3964
commit 99296369d3
6 changed files with 50 additions and 7 deletions
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15
glslang/MachineIndependent/Initialize.cpp
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@ -1425,6 +1425,9 @@ void TBuiltIns::initialize(int version, EProfile profile)
"mediump vec2 gl_PointCoord;" // needs qualifier fixed later
"highp float gl_FragDepth;" // needs qualifier fixed later
);
stageBuiltins[EShLangFragment].append(
"highp float gl_FragDepthEXT;" // GL_EXT_frag_depth
);
}
stageBuiltins[EShLangFragment].append("\n");
@ -2138,16 +2141,18 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
break;
case EShLangFragment:
SpecialQualifier("gl_FrontFacing", EvqFace, symbolTable);
SpecialQualifier("gl_FragCoord", EvqFragCoord, symbolTable);
SpecialQualifier("gl_PointCoord", EvqPointCoord, symbolTable);
SpecialQualifier("gl_FragColor", EvqFragColor, symbolTable);
SpecialQualifier("gl_FragDepth", EvqFragDepth, symbolTable);
SpecialQualifier("gl_FrontFacing", EvqFace, symbolTable);
SpecialQualifier("gl_FragCoord", EvqFragCoord, symbolTable);
SpecialQualifier("gl_PointCoord", EvqPointCoord, symbolTable);
SpecialQualifier("gl_FragColor", EvqFragColor, symbolTable);
SpecialQualifier("gl_FragDepth", EvqFragDepth, symbolTable);
SpecialQualifier("gl_FragDepthEXT", EvqFragDepth, symbolTable);
if (version == 100) {
symbolTable.setFunctionExtensions("dFdx", 1, &GL_OES_standard_derivatives);
symbolTable.setFunctionExtensions("dFdy", 1, &GL_OES_standard_derivatives);
symbolTable.setFunctionExtensions("fwidth", 1, &GL_OES_standard_derivatives);
}
symbolTable.setVariableExtensions("gl_FragDepthEXT", 1, &GL_EXT_frag_depth);
break;
case EShLangCompute: