Unconditionally emit CapabilityMultiViewport on declaration of BuiltInViewportIndex.

This is a speculative commit: I don't know yet when BuiltInViewportIndex should be a block member, or if it is whether it should require capability on use or on declaration.

Unconditionally emit CapabilityMultiViewport on declaration of BuiltInViewportIndex.
7bf3c388 · John Kessenich · a17fc4fe · 7bf3c388
Commit 7bf3c388 authored Sep 04, 2017 by John Kessenich
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GlslangToSpv.cpp SPIRV/GlslangToSpv.cpp +1 -1

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--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -454,8 +454,8 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
        return spv::BuiltInCullDistance;

    case glslang::EbvViewportIndex:
+        builder.addCapability(spv::CapabilityMultiViewport);
        if (!memberDeclaration) {
-            builder.addCapability(spv::CapabilityMultiViewport);
            if (glslangIntermediate->getStage() == EShLangVertex ||
                glslangIntermediate->getStage() == EShLangTessControl ||
                glslangIntermediate->getStage() == EShLangTessEvaluation) {