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Add support for es extension GL_EXT_blend_func_extended

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* Introduces builtin variables gl_SecondaryFragColorEXT and gl_SecondaryFragDataEXT
* Introduces builtin constant gl_MaxDualSourceDrawBuffersEXT
* enables support for layout qualifier "index" in es profile
This commit is contained in:
Pankaj Mistry 2020-04-21 11:33:57 -07:00
parent 2c53baedbb
commit e05cc20ec2
14 changed files with 173 additions and 65 deletions
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4
glslang/MachineIndependent/ParseHelper.cpp
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@ -5412,10 +5412,10 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
case EShLangFragment:
if (id == "index") {
requireProfile(loc, ECompatibilityProfile | ECoreProfile, "index layout qualifier on fragment output");
requireProfile(loc, ECompatibilityProfile | ECoreProfile | EEsProfile, "index layout qualifier on fragment output");
const char* exts[2] = { E_GL_ARB_separate_shader_objects, E_GL_ARB_explicit_attrib_location };
profileRequires(loc, ECompatibilityProfile | ECoreProfile, 330, 2, exts, "index layout qualifier on fragment output");
profileRequires(loc, EEsProfile ,310, E_GL_EXT_blend_func_extended, "index layout qualifier on fragment output");
// "It is also a compile-time error if a fragment shader sets a layout index to less than 0 or greater than 1."
if (value < 0 || value > 1) {
value = 0;