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glslang -> SPV: Improvements in swizzles on access chains: Bug 14007 (wrong type), simplications, tests, support mixed swizzle with dynamic component selection.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31277 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2015-05-22 21:57:58 +00:00
parent 6b3fd19d89
commit 06e1d0b434
9 changed files with 531 additions and 54 deletions
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4
SPIRV/GlslangToSpv.cpp
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@ -573,7 +573,7 @@ bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::T
// so short circuit the access-chain stuff with a swizzle.
std::vector<unsigned> swizzle;
swizzle.push_back(node->getRight()->getAsConstantUnion()->getConstArray()[0].getIConst());
builder.accessChainPushSwizzle(swizzle, node->getLeft()->getVectorSize(), convertGlslangToSpvType(node->getType()));
builder.accessChainPushSwizzle(swizzle, node->getLeft()->getVectorSize());
} else {
// normal case for indexing array or structure or block
builder.accessChainPush(builder.makeIntConstant(index), convertGlslangToSpvType(node->getType()));
@ -615,7 +615,7 @@ bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::T
std::vector<unsigned> swizzle;
for (int i = 0; i < (int)swizzleSequence.size(); ++i)
swizzle.push_back(swizzleSequence[i]->getAsConstantUnion()->getConstArray()[0].getIConst());
builder.accessChainPushSwizzle(swizzle, node->getLeft()->getVectorSize(), convertGlslangToSpvType(node->getType()));
builder.accessChainPushSwizzle(swizzle, node->getLeft()->getVectorSize());
}
return false;
default: