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Front-end: Fix issue #147: ensure layout(index=N) has N in [0,1].

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This commit is contained in:
John Kessenich 2016-06-05 17:25:34 -06:00
parent 119f8f6906
commit 133253b6ee
3 changed files with 13 additions and 1 deletions
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7
glslang/MachineIndependent/ParseHelper.cpp
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@ -4225,6 +4225,13 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
requireProfile(loc, ECompatibilityProfile | ECoreProfile, "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");
// "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;
error(loc, "value must be 0 or 1", "index", "");
}
publicType.qualifier.layoutIndex = value;
return;
}