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Implement extension GL_ARB_shader_stencil_export

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This commit is contained in:
Rex Xu 2017-06-29 17:46:34 +08:00
parent 89f8d1e64f
commit 37cdceed41
10 changed files with 55 additions and 3 deletions
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9
glslang/MachineIndependent/Initialize.cpp
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@ -3753,6 +3753,10 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
stageBuiltins[EShLangFragment].append(
"vec2 gl_PointCoord;" // needs qualifier fixed later
);
if (version >= 140)
stageBuiltins[EShLangFragment].append(
"out int gl_FragStencilRefARB;"
);
if (IncludeLegacy(version, profile, spvVersion) || (! ForwardCompatibility && version < 420))
stageBuiltins[EShLangFragment].append(
"vec4 gl_FragColor;" // needs qualifier fixed later
@ -5473,6 +5477,11 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
BuiltInVariable("gl_CullDistance", EbvCullDistance, symbolTable);
BuiltInVariable("gl_PrimitiveID", EbvPrimitiveId, symbolTable);
if (profile != EEsProfile && version >= 140) {
symbolTable.setVariableExtensions("gl_FragStencilRefARB", 1, &E_GL_ARB_shader_stencil_export);
BuiltInVariable("gl_FragStencilRefARB", EbvFragStencilRef, symbolTable);
}
if ((profile != EEsProfile && version >= 400) ||
(profile == EEsProfile && version >= 310)) {
BuiltInVariable("gl_SampleID", EbvSampleId, symbolTable);