Require sRGB write control for sRGB support. Add flag to GrPaint to suppress linear -> sRGB convers…

src/gpu/GrPipelineBuilder.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrPipelineBuilder.h"
 
 #include "GrBlend.h"
@@ skipping 26 matching lines @@
 
     // These have no equivalent in GrPaint, set them to defaults
     fDrawFace = kBoth_DrawFace;
     fStencilSettings.setDisabled();
     fFlags = 0;
 
     fClip = clip;
 
     this->setState(GrPipelineBuilder::kHWAntialias_Flag,
                    rt->isUnifiedMultisampled() && paint.isAntiAlias());
+    this->setState(GrPipelineBuilder::kDisableOutputConversionToSRGB_Flag,
+                   paint.getDisableOutputConversionToSRGB());
 }
 
 //////////////////////////////////////////////////////////////////////////////s
 
 bool GrPipelineBuilder::willXPNeedDstTexture(const GrCaps& caps,
                                              const GrPipelineOptimizations& optimizations) const {
     if (this->getXPFactory()) {
         return this->getXPFactory()->willNeedDstTexture(caps, optimizations, 
                                                         this->hasMixedSamples());
     }
@@ skipping 31 matching lines @@
 
 GrPipelineBuilder::~GrPipelineBuilder() {
     SkASSERT(0 == fBlockEffectRemovalCnt);
     for (int i = 0; i < fColorFragmentProcessors.count(); ++i) {
         fColorFragmentProcessors[i]->unref();
     }
     for (int i = 0; i < fCoverageFragmentProcessors.count(); ++i) {
         fCoverageFragmentProcessors[i]->unref();
     }
 }