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Finish GL_ARB_shading_language_420pack: *ProgramTexelOffset built-in constants. Also, make comma operation not fold constants.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@26602 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2014-05-11 01:07:31 +00:00
parent 0b9e112da6
commit bae44b74d4
9 changed files with 73 additions and 36 deletions
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13
glslang/MachineIndependent/Initialize.cpp
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@ -1978,6 +1978,12 @@ void TBuiltIns::initialize(const TBuiltInResource &resources, int version, EProf
s.append(builtInConstant);
snprintf(builtInConstant, maxSize, "const int gl_MaxVaryingComponents = %d;", resources.maxVaryingComponents);
s.append(builtInConstant);
// GL_ARB_shading_language_420pack
snprintf(builtInConstant, maxSize, "const mediump int gl_MinProgramTexelOffset = %d;", resources.minProgramTexelOffset);
s.append(builtInConstant);
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxProgramTexelOffset = %d;", resources.maxProgramTexelOffset);
s.append(builtInConstant);
}
// geometry
@ -2338,7 +2344,7 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
}
//
// Add context-dependent (resource-specific) built-ins not yet handled. These
// Add context-dependent (resource-specific) built-ins not handled by the above. These
// would be ones that need to be programmatically added because they cannot
// be added by simple text strings. For these, also
// 1) Map built-in functions to operators, for those that will turn into an operation node
@ -2352,9 +2358,12 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
symbolTable.setVariableExtensions("gl_MaxTransformFeedbackBuffers", 1, &GL_ARB_enhanced_layouts);
symbolTable.setVariableExtensions("gl_MaxTransformFeedbackInterleavedComponents", 1, &GL_ARB_enhanced_layouts);
}
if (profile != EEsProfile && version >= 130 && version < 420) {
symbolTable.setVariableExtensions("gl_MinProgramTexelOffset", 1, &GL_ARB_shading_language_420pack);
symbolTable.setVariableExtensions("gl_MaxProgramTexelOffset", 1, &GL_ARB_shading_language_420pack);
}
switch(language) {
case EShLangFragment:
// Set up gl_FragData based on current array size.
if (version == 100 || IncludeLegacy(version, profile) || (! ForwardCompatibility && profile != EEsProfile && version < 420)) {