Gamma-correctness pushed into Skia, top-down.

src/gpu/GrContext.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.
  */
 
 #include "GrContext.h"
 #include "GrContextOptions.h"
 #include "GrDrawingManager.h"
@@ skipping 348 matching lines @@
                                    tempDrawInfo.fWriteConfig, buffer,
                                    rowBytes)) {
                 return false;
             }
             SkMatrix matrix;
             matrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top));
             SkAutoTUnref<GrDrawContext> drawContext(this->drawContext(renderTarget));
             if (!drawContext) {
                 return false;
             }
+            // SRGBTODO: AllowSRGBInputs? (We could force it on here, so we don't need the
+            // per-texture override in config conversion effect?)
             GrPaint paint;
             paint.addColorFragmentProcessor(fp);
             paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
             SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height));
             drawContext->drawRect(GrClip::WideOpen(), paint, matrix, rect, nullptr);
 
             if (kFlushWrites_PixelOp & pixelOpsFlags) {
                 this->flushSurfaceWrites(surface);
             }
         }
@@ skipping 90 matching lines @@
                     // We only wanted to do the draw in order to perform the unpremul so don't
                     // bother.
                     temp.reset(nullptr);
                 }
             }
             if (!fp && temp) {
                 fp.reset(GrConfigConversionEffect::Create(src->asTexture(), tempDrawInfo.fSwizzle,
                     GrConfigConversionEffect::kNone_PMConversion, textureMatrix));
             }
             if (fp) {
+                // SRGBTODO: AllowSRGBInputs? (We could force it on here, so we don't need the
+                // per-texture override in config conversion effect?)
                 GrPaint paint;
                 paint.addColorFragmentProcessor(fp);
                 paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
                 SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height));
                 SkAutoTUnref<GrDrawContext> drawContext(this->drawContext(temp->asRenderTarget()));
                 drawContext->drawRect(GrClip::WideOpen(), paint, SkMatrix::I(), rect, nullptr);
                 surfaceToRead.reset(SkRef(temp.get()));
                 left = 0;
                 top = 0;
                 didTempDraw = true;
@@ skipping 200 matching lines @@
     ASSERT_SINGLE_OWNER
     fResourceCache->setLimits(maxTextures, maxTextureBytes);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 void GrContext::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
     ASSERT_SINGLE_OWNER
     fResourceCache->dumpMemoryStatistics(traceMemoryDump);
 }