Add output format properties to SkImageFilter::Context

src/effects/SkXfermodeImageFilter.cpp

 /*
  * Copyright 2013 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkXfermodeImageFilter.h"
 
 #include "SkCanvas.h"
@@ skipping 73 matching lines @@
     }
 
     offset->fX = bounds.left();
     offset->fY = bounds.top();
 
 #if SK_SUPPORT_GPU
     if (source->isTextureBacked()) {
         return this->filterImageGPU(source,
                                     background, backgroundOffset, 
                                     foreground, foregroundOffset,
-                                    bounds);
+                                    bounds, ctx.outputProperties());
     }
 #endif
 
     const SkImageInfo info = SkImageInfo::MakeN32(bounds.width(), bounds.height(),
                                                   kPremul_SkAlphaType);
     sk_sp<SkSpecialSurface> surf(source->makeSurface(info));
     if (!surf) {
         return nullptr;
     }
 
@@ skipping 47 matching lines @@
         str->appendf(")");
     }
     str->append(")");
 }
 #endif
 
 #if SK_SUPPORT_GPU
 
 #include "SkXfermode_proccoeff.h"
 
-sk_sp<SkSpecialImage> SkXfermodeImageFilter::filterImageGPU(SkSpecialImage* source,
-                                                            sk_sp<SkSpecialImage> background,
-                                                            const SkIPoint& backgroundOffset,
-                                                            sk_sp<SkSpecialImage> foreground,
-                                                            const SkIPoint& foregroundOffset,
-                                                            const SkIRect& bounds) const {
+sk_sp<SkSpecialImage> SkXfermodeImageFilter::filterImageGPU(
+                                                   SkSpecialImage* source,
+                                                   sk_sp<SkSpecialImage> background,
+                                                   const SkIPoint& backgroundOffset,
+                                                   sk_sp<SkSpecialImage> foreground,
+                                                   const SkIPoint& foregroundOffset,
+                                                   const SkIRect& bounds,
+                                                   const OutputProperties& outputProperties) const {
     SkASSERT(source->isTextureBacked());
 
     GrContext* context = source->getContext();
 
     sk_sp<GrTexture> backgroundTex, foregroundTex;
     
     if (background) {
         backgroundTex = background->asTextureRef(context);
     }
 
@@ skipping 58 matching lines @@
             paint.addColorFragmentProcessor(std::move(xferFP));
         }
     } else {
         paint.addColorFragmentProcessor(std::move(bgFP));
     }
 
     paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
 
     sk_sp<GrDrawContext> drawContext(
         context->makeDrawContext(SkBackingFit::kApprox, bounds.width(), bounds.height(),
-                                 GrRenderableConfigForColorSpace(source->getColorSpace()),
-                                 sk_ref_sp(source->getColorSpace())));
+                                 GrRenderableConfigForColorSpace(outputProperties.colorSpace()),
+                                 sk_ref_sp(outputProperties.colorSpace())));
     if (!drawContext) {
         return nullptr;
     }
     paint.setAllowSRGBInputs(drawContext->isGammaCorrect());
 
     SkMatrix matrix;
     matrix.setTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.top()));
     drawContext->drawRect(GrNoClip(), paint, matrix, SkRect::Make(bounds));
 
     return SkSpecialImage::MakeFromGpu(SkIRect::MakeWH(bounds.width(), bounds.height()),
                                        kNeedNewImageUniqueID_SpecialImage,
                                        drawContext->asTexture(),
                                        sk_ref_sp(drawContext->getColorSpace()));
 }
 
 #endif