Adding color space to SkSpecialImage

src/core/SkImageFilter.cpp

 /*
  * Copyright 2012 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 "SkImageFilter.h"
 
 #include "SkCanvas.h"
@@ skipping 257 matching lines @@
         if (input && !input->canComputeFastBounds()) {
             return false;
         }
     }
     return true;
 }
 
 #if SK_SUPPORT_GPU
 sk_sp<SkSpecialImage> SkImageFilter::DrawWithFP(GrContext* context,
                                                 sk_sp<GrFragmentProcessor> fp,
-                                                const SkIRect& bounds) {
+                                                const SkIRect& bounds,
+                                                sk_sp<SkColorSpace> colorSpace) {
     GrPaint paint;
     paint.addColorFragmentProcessor(std::move(fp));
     paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
 
     sk_sp<GrDrawContext> drawContext(context->newDrawContext(SkBackingFit::kApprox,
                                                              bounds.width(), bounds.height(),
                                                              kRGBA_8888_GrPixelConfig));
     if (!drawContext) {
         return nullptr;
     }
 
     SkIRect dstIRect = SkIRect::MakeWH(bounds.width(), bounds.height());
     SkRect srcRect = SkRect::Make(bounds);
     SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
     GrFixedClip clip(dstIRect);
     drawContext->fillRectToRect(clip, paint, SkMatrix::I(), dstRect, srcRect);
 
+    // TODO: Get the colorSpace from the drawContext (once it has one)
     return SkSpecialImage::MakeFromGpu(dstIRect, kNeedNewImageUniqueID_SpecialImage,
-                                       drawContext->asTexture());
+                                       drawContext->asTexture(), std::move(colorSpace));
 }
 #endif
 
 bool SkImageFilter::asAColorFilter(SkColorFilter** filterPtr) const {
     SkASSERT(nullptr != filterPtr);
     if (!this->isColorFilterNode(filterPtr)) {
         return false;
     }
     if (nullptr != this->getInput(0) || (*filterPtr)->affectsTransparentBlack()) {
         (*filterPtr)->unref();
@@ skipping 131 matching lines @@
     sk_sp<SkSpecialImage> result(input->filterImage(src, this->mapContext(ctx), offset));
 
     SkASSERT(!result || src->isTextureBacked() == result->isTextureBacked());
 
     return result;
 }
 
 void SkImageFilter::PurgeCache() {
     SkImageFilterCache::Get()->purge();
 }