SkSL now supports functions defined in sksl_gpu.inc

Change-Id: Ib29f41f6e71b176fec1ead26259ad1945a41e634
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/254677
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
diff --git a/src/sksl/SkSLGLSLCodeGenerator.cpp b/src/sksl/SkSLGLSLCodeGenerator.cpp
index ffa85bd..c555b8a 100644
--- a/src/sksl/SkSLGLSLCodeGenerator.cpp
+++ b/src/sksl/SkSLGLSLCodeGenerator.cpp
@@ -153,6 +153,8 @@
             }
             break;
         }
+        case Type::kEnum_Kind:
+            return "int";
         default:
             return type.name();
     }