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SPV: Implement extension SPV_KHR_shader_draw_parameters.

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This commit is contained in:
Rex Xu
2016-07-22 18:15:31 +08:00
parent dd2fc1f3d8
commit f3b27471f8
7 changed files with 158 additions and 24 deletions
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14
SPIRV/GlslangToSpv.cpp
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@@ -498,13 +498,21 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
case glslang::EbvInstanceId: return spv::BuiltInInstanceId;
case glslang::EbvVertexIndex: return spv::BuiltInVertexIndex;
case glslang::EbvInstanceIndex: return spv::BuiltInInstanceIndex;
case glslang::EbvBaseVertex:
builder.addExtension(spv::E_SPV_KHR_shader_draw_parameters);
builder.addCapability(spv::CapabilityDrawParameters);
return spv::BuiltInBaseVertex;
case glslang::EbvBaseInstance:
builder.addExtension(spv::E_SPV_KHR_shader_draw_parameters);
builder.addCapability(spv::CapabilityDrawParameters);
return spv::BuiltInBaseInstance;
case glslang::EbvDrawId:
// TODO: Add SPIR-V builtin ID.
logger->missingFunctionality("shader draw parameters");
return spv::BuiltInMax;
builder.addExtension(spv::E_SPV_KHR_shader_draw_parameters);
builder.addCapability(spv::CapabilityDrawParameters);
return spv::BuiltInDrawIndex;
case glslang::EbvPrimitiveId:
if (glslangIntermediate->getStage() == EShLangFragment)