commit 1c5443c693d5845c6ef370924a60084a11a4ebac
author Piers Daniell <pdaniell@nvidia.com> Wed Dec 13 13:07:22 2017 -0700
committer John Kessenich <cepheus@frii.com> Thu Dec 14 07:42:23 2017 -0700
tree 3316819dad5fd2c216c0f1d16d75e3bfc98a66fa
parent e9e0cb60ec7a7a065ddc4382513045f922e05be2

Add implementation of SPV_EXT_fragment_fully_covered

This implementation uses the GLSL extension
GL_NV_conservative_raster_underestimation to generate the new SPIR-V
FullyCoveredEXT built in.

SPIRV/GlslangToSpv.cpp

diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
index 34465f5..4ae5286 100755
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -44,6 +44,7 @@
 namespace spv {
     #include "GLSL.std.450.h"
     #include "GLSL.ext.KHR.h"
+    #include "GLSL.ext.EXT.h"
 #ifdef AMD_EXTENSIONS
     #include "GLSL.ext.AMD.h"
 #endif
@@ -646,6 +647,10 @@
             builder.addCapability(spv::CapabilityPerViewAttributesNV);
         }
         return spv::BuiltInViewportMaskPerViewNV;
+    case glslang::EbvFragFullyCoveredNV:
+        builder.addExtension(spv::E_SPV_EXT_fragment_fully_covered);
+        builder.addCapability(spv::CapabilityFragmentFullyCoveredEXT);
+        return spv::BuiltInFullyCoveredEXT;
 #endif 
     default:
         return spv::BuiltInMax;