Revert "Revert "Switched highp float to highfloat and mediump float to half.""

This reverts commit 1d816b92bb7cf2258007f3f74ffd143b89f25d01.

Bug: skia:
Change-Id: I388b5e5e9bf619db48297a80c9a80c039f26c9f1
Reviewed-on: https://skia-review.googlesource.com/46464
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/src/effects/GrAlphaThresholdFragmentProcessor.fp b/src/effects/GrAlphaThresholdFragmentProcessor.fp
index 481549e6b5..c3b3fbf5d5 100644
--- a/src/effects/GrAlphaThresholdFragmentProcessor.fp
+++ b/src/effects/GrAlphaThresholdFragmentProcessor.fp
@@ -1,8 +1,8 @@
 in uniform sampler2D image;
 in uniform colorSpaceXform colorXform;
 in uniform sampler2D mask;
-in uniform float innerThreshold;
-in uniform float outerThreshold;
+in uniform half innerThreshold;
+in uniform half outerThreshold;
 
 @class {
     inline OptimizationFlags optFlags(float outerThreshold);
@@ -49,16 +49,16 @@ in uniform float outerThreshold;
 }
 
 void main() {
-    float4 color = texture(image, sk_TransformedCoords2D[0], colorXform);
-    float4 mask_color = texture(mask, sk_TransformedCoords2D[1]);
+    half4 color = texture(image, sk_TransformedCoords2D[0], colorXform);
+    half4 mask_color = texture(mask, sk_TransformedCoords2D[1]);
     if (mask_color.a < 0.5) {
         if (color.a > outerThreshold) {
-            float scale = outerThreshold / color.a;
+            half scale = outerThreshold / color.a;
             color.rgb *= scale;
             color.a = outerThreshold;
         }
     } else if (color.a < innerThreshold) {
-        float scale = innerThreshold / max(0.001, color.a);
+        half scale = innerThreshold / max(0.001, color.a);
         color.rgb *= scale;
         color.a = innerThreshold;
     }