Expose coord transforms from GrPipeline

include/gpu/GrFragmentProcessor.h

Index: include/gpu/GrFragmentProcessor.h
diff --git a/include/gpu/GrFragmentProcessor.h b/include/gpu/GrFragmentProcessor.h
index 8fc3ec1d4b3fe9aed42f228a37065dfa8c99ccdd..942642f163dfa02fed15e31853f9b613dbe10e2d 100644
--- a/include/gpu/GrFragmentProcessor.h
+++ b/include/gpu/GrFragmentProcessor.h
@@ -85,12 +85,18 @@ public:
 
         A return value of true from isEqual() should not be used to test whether the processor would
         generate the same shader code. To test for identical code generation use getGLProcessorKey*/

[bsalomon, 2015/08/05 17:22:11]

update comment?

"Coord transforms may be applied either on the GPU or the CPU. When we apply
them on the CPU then the matrices need not agree in order to combine draws.
Therefore we take a param that indicates whether coord transforms should be
compared."

[joshualitt, 2015/08/05 17:46:21]

Acknowledged.

-    bool isEqual(const GrFragmentProcessor& that) const {
+    bool isEqual(const GrFragmentProcessor& that, bool ignoreCoordTransforms) const {
         if (this->classID() != that.classID() ||
-            !this->hasSameTransforms(that) ||
             !this->hasSameTextureAccesses(that)) {
             return false;
         }
+        if (ignoreCoordTransforms) {
+            if (this->numTransforms() != that.numTransforms()) {
+                return false;
+            }
+        } else if (!this->hasSameTransforms(that)) {
+            return false;
+        }
         return this->onIsEqual(that);
     }