Remove gpu shader optimatization for solid white or trans black colors

tests/GLProgramsTest.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // This is a GPU-backend specific test. It relies on static intializers to work
 
@@ skipping 55 matching lines @@
 
     KeyHeader* header = this->header();
     memset(header, 0, kHeaderSize);
     header->fEmitsPointSize = random->nextBool();
 
     header->fPositionAttributeIndex = 0;
 
     // if the effects have used up all off the available attributes,
     // don't try to use color or coverage attributes as input
     do {
-        header->fColorInput = static_cast<GrGLProgramDesc::ColorInput>(
-                                  random->nextULessThan(kColorInputCnt));
+        uint32_t colorRand = random->nextULessThan(2);
+        header->fColorInput = (0 == colorRand) ? GrGLProgramDesc::kAttribute_ColorInput :
+                                                 GrGLProgramDesc::kUniform_ColorInput;
     } while (GrDrawState::kMaxVertexAttribCnt <= currAttribIndex &&
              kAttribute_ColorInput == header->fColorInput);
 
     header->fColorAttributeIndex = (header->fColorInput == kAttribute_ColorInput) ?
                                         currAttribIndex++ :
                                         -1;
 
     do {
         header->fCoverageInput = static_cast<GrGLProgramDesc::ColorInput>(
                                      random->nextULessThan(kColorInputCnt));
@@ skipping 189 matching lines @@
         SkRect::MakeWH(SK_Scalar1, SK_Scalar1), SK_Scalar1));
     GrConfigConversionEffect::Create(NULL,
                                      false,
                                      GrConfigConversionEffect::kNone_PMConversion,
                                      SkMatrix::I());
     SkScalar matrix[20];
     SkAutoTUnref<SkColorMatrixFilter> cmf(SkColorMatrixFilter::Create(matrix));
 }
 
 #endif