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GlslangToSpv: prevent add XfbStride twice

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Without this commit, if the XfbStride was explicitly set, the
decoration was added twice on the shader.

v2 (changes after Jonh Kessenich first review)
   * Simplified by just removing the firs assignment
   * Removed assert
This commit is contained in:
Alejandro Piñeiro
2018-10-25 12:49:33 +02:00
parent d41a8dca0c
commit 16ef9da372
4 changed files with 89 additions and 2 deletions
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2
SPIRV/GlslangToSpv.cpp
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@@ -7163,8 +7163,6 @@ spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol
builder.addDecoration(id, spv::DecorationInputAttachmentIndex, symbol->getQualifier().layoutAttachment);
if (glslangIntermediate->getXfbMode()) {
builder.addCapability(spv::CapabilityTransformFeedback);
if (symbol->getQualifier().hasXfbStride())
builder.addDecoration(id, spv::DecorationXfbStride, symbol->getQualifier().layoutXfbStride);
if (symbol->getQualifier().hasXfbBuffer()) {
builder.addDecoration(id, spv::DecorationXfbBuffer, symbol->getQualifier().layoutXfbBuffer);
unsigned stride = glslangIntermediate->getXfbStride(symbol->getQualifier().layoutXfbBuffer);