HLSL: Add GatherRed/Green/Blue/Alpha methods, inc 4-offset forms

glslang/Include/intermediate.h

@@ -568,6 +568,17 @@ enum TOperator {
     EOpMethodGather,                     // ...
     EOpMethodCalculateLevelOfDetail,     // ...
     EOpMethodCalculateLevelOfDetailUnclamped,     // ...
+
+    // SM5 texture methods
+    EOpMethodGatherRed,                  // These are covered under the above EOpMethodSample comment about
+    EOpMethodGatherGreen,                // translation to existing AST opcodes.  They exist temporarily
+    EOpMethodGatherBlue,                 // because HLSL arguments are slightly different.
+    EOpMethodGatherAlpha,                // ...
+    EOpMethodGatherCmp,                  // ...
+    EOpMethodGatherCmpRed,               // ...
+    EOpMethodGatherCmpGreen,             // ...
+    EOpMethodGatherCmpBlue,              // ...
+    EOpMethodGatherCmpAlpha,             // ...
 };
 
 class TIntermTraverser;