Avoid running the validator as part of the optimization pass.

The spvtools::Optimizer::Run method glslang is using constructs a default set of spvtools::OptimizerOptions. This default set of options instructs the validator to run. That is not quite correct since glslang will invoke the validator _explicitly_ after the optimization pass. Change-Id: I30f458304c6e7f81e89fc4ebd25eabbbd8348063

Avoid running the validator as part of the optimization pass.
35aeb042 · Panagiotis Christopoulos Charitos · b184e41a · 35aeb042
Commit 35aeb042 authored Mar 18, 2019 by Panagiotis Christopoulos Charitos
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SpvTools.cpp SPIRV/SpvTools.cpp +3 -1

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--- a/SPIRV/SpvTools.cpp
+++ b/SPIRV/SpvTools.cpp
@@ -191,7 +191,9 @@ void SpirvToolsLegalize(const glslang::TIntermediate&, std::vector<unsigned int>
        optimizer.RegisterPass(spvtools::CreateRedundantLineInfoElimPass());
    }
-    optimizer.Run(spirv.data(), spirv.size(), &spirv);
+    spvtools::OptimizerOptions spvOptOptions;
+    spvOptOptions.set_run_validator(false); // The validator may run as a seperate step later on
+    optimizer.Run(spirv.data(), spirv.size(), &spirv, spvOptOptions);
 }
 }; // end namespace glslang