Implement shader compiler support for uint vectors.

Bug 19331817

Change-Id: Ib85c82f7490a5e48830fb496cddbb5aa6837dfb2
Reviewed-on: https://swiftshader-review.googlesource.com/2313
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
diff --git a/src/OpenGL/compiler/Intermediate.cpp b/src/OpenGL/compiler/Intermediate.cpp
index 7193e34..277c4a3 100644
--- a/src/OpenGL/compiler/Intermediate.cpp
+++ b/src/OpenGL/compiler/Intermediate.cpp
@@ -601,6 +601,9 @@
         case EOpConstructIVec3:
         case EOpConstructIVec4:
         case EOpConstructInt:
+        case EOpConstructUVec2:
+        case EOpConstructUVec3:
+        case EOpConstructUVec4:
         case EOpConstructUInt:
         case EOpConstructBVec2:
         case EOpConstructBVec3: