Add output format properties to SkImageFilter::Context

src/effects/SkDisplacementMapEffect.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 "SkDisplacementMapEffect.h"
 
 #include "SkBitmap.h"
@@ skipping 318 matching lines @@
                                           fYChannelSelector,
                                           scale,
                                           displTexture.get(),
                                           offsetMatrix,
                                           colorTexture.get(),
                                           SkISize::Make(color->width(), color->height())));
         paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
         SkMatrix matrix;
         matrix.setTranslate(-SkIntToScalar(colorBounds.x()), -SkIntToScalar(colorBounds.y()));
 
+        SkColorSpace* colorSpace = ctx.outputProperties().colorSpace();
         sk_sp<GrDrawContext> drawContext(
             context->makeDrawContext(SkBackingFit::kApprox, bounds.width(), bounds.height(),
-                                     GrRenderableConfigForColorSpace(source->getColorSpace()),
-                                     sk_ref_sp(source->getColorSpace())));
+                                     GrRenderableConfigForColorSpace(colorSpace),
+                                     sk_ref_sp(colorSpace)));
         if (!drawContext) {
             return nullptr;
         }
 
         drawContext->drawRect(GrNoClip(), paint, matrix, SkRect::Make(colorBounds));
 
         offset->fX = bounds.left();
         offset->fY = bounds.top();
         return SkSpecialImage::MakeFromGpu(SkIRect::MakeWH(bounds.width(), bounds.height()),
                                            kNeedNewImageUniqueID_SpecialImage,
@@ skipping 267 matching lines @@
 void GrGLDisplacementMapEffect::GenKey(const GrProcessor& proc,
                                        const GrGLSLCaps&, GrProcessorKeyBuilder* b) {
     const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMapEffect>();
 
     uint32_t xKey = displacementMap.xChannelSelector();
     uint32_t yKey = displacementMap.yChannelSelector() << kChannelSelectorKeyBits;
 
     b->add32(xKey | yKey);
 }
 #endif