sksl enum support

Bug: skia:
Change-Id: I4d505b31cf8b59de12bcdbca410aafc085977ba9
Reviewed-on: https://skia-review.googlesource.com/68621
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

1 files changed, 7 insertions, 9 deletions

diff --git a/src/gpu/effects/GrBlurredEdgeFragmentProcessor.fp b/src/gpu/effects/GrBlurredEdgeFragmentProcessor.fp
index fe5ffd5eb3..14b29e61e4 100644
--- a/src/gpu/effects/GrBlurredEdgeFragmentProcessor.fp
+++ b/src/gpu/effects/GrBlurredEdgeFragmentProcessor.fp
@@ -5,22 +5,20 @@
  * found in the LICENSE file.
  */
 
-@class {
-    enum Mode {
-        kGaussian_Mode = 0,
-        kSmoothStep_Mode = 1
-    };
-}
+enum class Mode {
+    kGaussian   = 0,
+    kSmoothStep = 1
+};
 
-layout(key) in int mode;
+layout(key) in Mode mode;
 
 void main() {
     half factor = 1.0 - sk_InColor.a;
     @switch (mode) {
-        case 0: // kGaussian_Mode
+        case Mode::kGaussian:
             factor = exp(-factor * factor * 4.0) - 0.018;
             break;
-        case 1: // kSmoothstep_Mode
+        case Mode::kSmoothStep:
             factor = smoothstep(1.0, 0.0, factor);
             break;
     }