Introduce GrColorSpaceXform, for gamut conversion on textures

include/gpu/GrPaint.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef GrPaint_DEFINED
@@ skipping 97 matching lines @@
      */
     void addCoverageFragmentProcessor(sk_sp<GrFragmentProcessor> fp) {
         SkASSERT(fp);
         fCoverageFragmentProcessors.push_back(std::move(fp));
     }
 
     /**
      * Helpers for adding color or coverage effects that sample a texture. The matrix is applied
      * to the src space position to compute texture coordinates.
      */
-    void addColorTextureProcessor(GrTexture*, const SkMatrix&);
+    void addColorTextureProcessor(GrTexture*, sk_sp<GrColorSpaceXform>, const SkMatrix&);
     void addCoverageTextureProcessor(GrTexture*, const SkMatrix&);
-    void addColorTextureProcessor(GrTexture*, const SkMatrix&, const GrTextureParams&);
+    void addColorTextureProcessor(GrTexture*, sk_sp<GrColorSpaceXform>, const SkMatrix&,
+                                  const GrTextureParams&);
     void addCoverageTextureProcessor(GrTexture*, const SkMatrix&, const GrTextureParams&);
 
     int numColorFragmentProcessors() const { return fColorFragmentProcessors.count(); }
     int numCoverageFragmentProcessors() const { return fCoverageFragmentProcessors.count(); }
     int numTotalFragmentProcessors() const { return this->numColorFragmentProcessors() +
                                               this->numCoverageFragmentProcessors(); }
 
     GrXPFactory* getXPFactory() const {
         return fXPFactory.get();
     }
@@ skipping 33 matching lines @@
     SkSTArray<2, sk_sp<GrFragmentProcessor>>  fCoverageFragmentProcessors;
 
     bool                                      fAntiAlias;
     bool                                      fDisableOutputConversionToSRGB;
     bool                                      fAllowSRGBInputs;
 
     GrColor4f                                 fColor;
 };
 
 #endif