Apply the layer's image filter to the hoisted image

src/gpu/SkGpuDevice.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
@@ skipping 116 matching lines @@
 protected:
     virtual bool onReadPixels(const SkImageInfo&, void*, size_t, int, int) SK_OVERRIDE;
     virtual bool onWritePixels(const SkImageInfo&, const void*, size_t, int, int) SK_OVERRIDE;
     bool onShouldDisableLCD(const SkPaint&) const SK_OVERRIDE;
 
     /**  PRIVATE / EXPERIMENTAL -- do not call */
     virtual bool EXPERIMENTAL_drawPicture(SkCanvas* canvas, const SkPicture* picture,
                                           const SkMatrix*, const SkPaint*) SK_OVERRIDE;
 
 private:
+    friend class GrLayerHoister;

[bsalomon, 2014/12/10 18:54:20]

can the filter function be moved somewhere else? We could also make it public
since this class itself is private.

[robertphillips, 2014/12/10 19:16:10]

Done.

+
     GrContext*      fContext;
 
     GrSkDrawProcs*  fDrawProcs;
 
     GrClipData      fClipData;
 
     GrTextContext*  fTextContext;
 
     // state for our render-target
     GrRenderTarget* fRenderTarget;
@@ skipping 59 matching lines @@
     bool filterTexture(GrContext*, GrTexture*, const SkImageFilter*,
                        const SkImageFilter::Context&,
                        SkBitmap* result, SkIPoint* offset);
 
     static SkPicture::AccelData::Key ComputeAccelDataKey();
 
     typedef SkBaseDevice INHERITED;
 };
 
 #endif