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Implement GL_OES_primitive_bounding_box.

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This commit is contained in:
John Kessenich 2015-08-16 11:38:07 -06:00
parent cee88e3644
commit 30314590ff
8 changed files with 127 additions and 5 deletions
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8
glslang/MachineIndependent/Initialize.cpp
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@ -1636,6 +1636,7 @@ void TBuiltIns::initialize(int version, EProfile profile)
"patch out highp float gl_TessLevelOuter[4];"
"patch out highp float gl_TessLevelInner[2];"
"patch out highp vec4 gl_BoundingBoxOES[2];"
"\n");
}
@ -2839,6 +2840,13 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
// Fall through
case EShLangTessControl:
if (profile == EEsProfile && version >= 310) {
symbolTable.setVariableExtensions("gl_BoundingBoxOES", Num_AEP_primitive_bounding_box, AEP_primitive_bounding_box);
BuiltInVariable("gl_BoundingBoxOES", EbvBoundingBox, symbolTable);
}
// Fall through
case EShLangTessEvaluation:
case EShLangGeometry:
SpecialQualifier("gl_Position", EvqPosition, EbvPosition, symbolTable);