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SPV 1.4: Lookup tables: Use variable initializer and NonWritable...

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...when doing a variable lookup on an array of constants.
This commit is contained in:
John Kessenich
2019-02-07 08:04:12 -07:00
parent fbb6bdf046
commit 61a5ce190a
6 changed files with 102 additions and 11 deletions
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5
SPIRV/GlslangToSpv.cpp
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@@ -1711,6 +1711,7 @@ bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::T
case glslang::EOpIndexDirect:
case glslang::EOpIndexDirectStruct:
{
// Structure, array, matrix, or vector indirection with statically known index.
// Get the left part of the access chain.
node->getLeft()->traverse(this);
@@ -1765,8 +1766,8 @@ bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::T
return false;
case glslang::EOpIndexIndirect:
{
// Structure or array or vector indirection.
// Will use native SPIR-V access-chain for struct and array indirection;
// Array, matrix, or vector indirection with variable index.
// Will use native SPIR-V access-chain for and array indirection;
// matrices are arrays of vectors, so will also work for a matrix.
// Will use the access chain's 'component' for variable index into a vector.