Fix early return when GrCoordTransform is identity.

src/gpu/gl/GrGLProgramEffects.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLProgramEffects.h"
 #include "GrDrawEffect.h"
 #include "gl/GrGLEffect.h"
@@ skipping 407 matching lines @@
                                                 const GrDrawEffect& drawEffect,
                                                 int effectIdx) {
     SkTArray<Transform, true>& transforms = fTransforms[effectIdx];
     int numTransforms = transforms.count();
     SkASSERT(numTransforms == (*drawEffect.effect())->numTransforms());
     for (int t = 0; t < numTransforms; ++t) {
         SkASSERT(transforms[t].fHandle.isValid() != (kVoid_GrSLType == transforms[t].fType));
         switch (transforms[t].fType) {
             case kVoid_GrSLType:
                 SkASSERT(get_transform_matrix(drawEffect, t).isIdentity());
-                return;
+                break;
             case kVec2f_GrSLType: {
                 GrGLfloat tx, ty;
                 get_transform_translation(drawEffect, t, &tx, &ty);
                 if (transforms[t].fCurrentValue.get(SkMatrix::kMTransX) != tx ||
                     transforms[t].fCurrentValue.get(SkMatrix::kMTransY) != ty) {
                     uniformManager.set2f(transforms[t].fHandle, tx, ty);
                     transforms[t].fCurrentValue.set(SkMatrix::kMTransX, tx);
                     transforms[t].fCurrentValue.set(SkMatrix::kMTransY, ty);
                 }
                 break;
@@ skipping 138 matching lines @@
 }
 
 void GrGLTexGenProgramEffectsBuilder::emitEffect(const GrEffectStage& stage,
                                                  GrGLProgramEffects::EffectKey key,
                                                  const char* outColor,
                                                  const char* inColor,
                                                  int stageIndex) {
     SkASSERT(NULL != fProgramEffects.get());
     fProgramEffects->emitEffect(fBuilder, stage, key, outColor, inColor, stageIndex);
 }