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Merge pull request #1523 from sparmarNV/fix-SPV_NV_mesh_shader

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Allow redeclaration of builtin interface blocks in mesh shader
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John Kessenich 2018-10-04 23:46:21 -06:00 • committed by GitHub
commit c374030e80
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 875 additions and 305 deletions
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11
glslang/MachineIndependent/linkValidate.cpp
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@ -715,6 +715,17 @@ void TIntermediate::finalCheck(TInfoSink& infoSink, bool keepUncalled)
error(infoSink, "Only one shaderRecordNVX buffer block is allowed per stage");
break;
case EShLangMeshNV:
// NV_mesh_shader doesn't allow use of both single-view and per-view builtins.
if (inIoAccessed("gl_Position") && inIoAccessed("gl_PositionPerViewNV"))
error(infoSink, "Can only use one of gl_Position or gl_PositionPerViewNV");
if (inIoAccessed("gl_ClipDistance") && inIoAccessed("gl_ClipDistancePerViewNV"))
error(infoSink, "Can only use one of gl_ClipDistance or gl_ClipDistancePerViewNV");
if (inIoAccessed("gl_CullDistance") && inIoAccessed("gl_CullDistancePerViewNV"))
error(infoSink, "Can only use one of gl_CullDistance or gl_CullDistancePerViewNV");
if (inIoAccessed("gl_Layer") && inIoAccessed("gl_LayerPerViewNV"))
error(infoSink, "Can only use one of gl_Layer or gl_LayerPerViewNV");
if (inIoAccessed("gl_ViewportMask") && inIoAccessed("gl_ViewportMaskPerViewNV"))
error(infoSink, "Can only use one of gl_ViewportMask or gl_ViewportMaskPerViewNV");
if (outputPrimitive == ElgNone)
error(infoSink, "At least one shader must specify an output layout primitive");
if (vertices == TQualifier::layoutNotSet)