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GLSL: Implement GL_EXT_control_flow_attributes.

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See https://github.com/KhronosGroup/GLSL/pull/11.
This commit is contained in:
John Kessenich
2018-01-31 08:11:18 -07:00
parent e18fd20d5c
commit a2858d9bdd
21 changed files with 3120 additions and 2405 deletions
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5
SPIRV/SpvBuilder.cpp
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@@ -2573,12 +2573,15 @@ void Builder::createSelectionMerge(Block* mergeBlock, unsigned int control)
buildPoint->addInstruction(std::unique_ptr<Instruction>(merge));
}
void Builder::createLoopMerge(Block* mergeBlock, Block* continueBlock, unsigned int control)
void Builder::createLoopMerge(Block* mergeBlock, Block* continueBlock, unsigned int control,
unsigned int dependencyLength)
{
Instruction* merge = new Instruction(OpLoopMerge);
merge->addIdOperand(mergeBlock->getId());
merge->addIdOperand(continueBlock->getId());
merge->addImmediateOperand(control);
if ((control & LoopControlDependencyLengthMask) != 0)
merge->addImmediateOperand(dependencyLength);
buildPoint->addInstruction(std::unique_ptr<Instruction>(merge));
}