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HLSL: pass tessellation execution modes through to SPIR-V

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The SPIR-V generator had assumed tessellation modes such as
primitive type and vertex order would only appear in tess eval
(domain) shaders.  SPIR-V allows either, and HLSL allows and
possibly requires them to be in the hull shader.

This change:

1. Passes them through for either tessellation stage, and,

2. Does not set up defaults in the domain stage for HLSl compilation,
to avoid conflicting definitions.
This commit is contained in:
steve-lunarg 2017-03-23 11:56:07 -06:00
parent e752f463c5
commit e741249b72
12 changed files with 476 additions and 13 deletions
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10
glslang/MachineIndependent/linkValidate.cpp
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@ -461,10 +461,12 @@ void TIntermediate::finalCheck(TInfoSink& infoSink, bool keepUncalled)
case EShLangTessEvaluation:
if (inputPrimitive == ElgNone)
error(infoSink, "At least one shader must specify an input layout primitive");
if (vertexSpacing == EvsNone)
vertexSpacing = EvsEqual;
if (vertexOrder == EvoNone)
vertexOrder = EvoCcw;
if (source == EShSourceGlsl) {
if (vertexSpacing == EvsNone)
vertexSpacing = EvsEqual;
if (vertexOrder == EvoNone)
vertexOrder = EvoCcw;
}
break;
case EShLangGeometry:
if (inputPrimitive == ElgNone)