Revert "Replaced all calls to fragmentPosition() with sk_FragCoord"

This reverts commit de4d301881e7fd084f1f0b359ec6f9b2bf8bd4c5.

Reason for revert: several Chrome rendering bugs on Mac

BUG=skia:

Change-Id: I492082b0b7e7c902ede4b598c5809f604d210ce1
Reviewed-on: https://skia-review.googlesource.com/7887
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

1 files changed, 1 insertions, 8 deletions

diff --git a/src/sksl/ir/SkSLProgram.h b/src/sksl/ir/SkSLProgram.h
index e4a975b279..6a73be6983 100644
--- a/src/sksl/ir/SkSLProgram.h
+++ b/src/sksl/ir/SkSLProgram.h
@@ -27,8 +27,6 @@ namespace SkSL {
 struct Program {
     struct Settings {
         const GrShaderCaps* fCaps = nullptr;
-        // if false, sk_FragCoord is exactly the same as gl_FragCoord. If true, the y coordinate
-        // must be flipped.
         bool fFlipY = false;
     };
 
@@ -36,17 +34,12 @@ struct Program {
         // if true, this program requires the render target height uniform to be defined
         bool fRTHeight;
 
-        // if true, this program must be recompiled if the flipY setting changes. If false, the
-        // program will compile to the same code regardless of the flipY setting.
-        bool fFlipY;
-
         void reset() {
             fRTHeight = false;
-            fFlipY = false;
         }
 
         bool isEmpty() {
-            return !fRTHeight && !fFlipY;
+            return !fRTHeight;
         }
     };