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Implement GL_ARB_shader_texture_image_samples. Also add in gl_MaxSamples and the float imageAtomicExchange.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27721 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2014-08-13 16:54:02 +00:00
parent df1d81a958
commit cd77f8e922
11 changed files with 290 additions and 45 deletions
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7
glslang/MachineIndependent/ParseHelper.cpp
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@ -1296,12 +1296,17 @@ void TParseContext::nonOpBuiltInCheck(TSourceLoc loc, const TFunction& fnCandida
}
}
}
// GL_ARB_shader_texture_image_samples
if (fnCandidate.getName().compare(0, 14, "textureSamples") == 0 || fnCandidate.getName().compare(0, 12, "imageSamples") == 0)
profileRequires(loc, ~EEsProfile, 450, GL_ARB_shader_texture_image_samples, "textureSamples and imageSamples");
if (fnCandidate.getName().compare(0, 11, "imageAtomic") == 0) {
const TType& imageType = callNode.getSequence()[0]->getAsTyped()->getType();
if (imageType.getSampler().type == EbtInt || imageType.getSampler().type == EbtUint) {
if (imageType.getQualifier().layoutFormat != ElfR32i && imageType.getQualifier().layoutFormat != ElfR32ui)
error(loc, "only supported on image with format r32i or r32ui", fnCandidate.getName().c_str(), "");
} else
} else if (fnCandidate.getName().compare(0, 19, "imageAtomicExchange") != 0)
error(loc, "only supported on integer images", fnCandidate.getName().c_str(), "");
}
}