GrResourceCache2 manages scratch texture.

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 16 matching lines @@
 class GrTextContext;
 
 /**
  *  Subclass of SkBaseDevice, which directs all drawing to the GrGpu owned by the
  *  canvas.
  */
 class SK_API SkGpuDevice : public SkBaseDevice {
 public:
     enum Flags {
         kNeedClear_Flag = 1 << 0,  //!< Surface requires an initial clear
-        kCached_Flag    = 1 << 1,  //!< Surface is cached and needs to be unlocked when released
-        kDFFonts_Flag   = 1 << 2,  //!< Surface should render fonts using signed distance fields
+        kDFFonts_Flag   = 1 << 1,  //!< Surface should render fonts using signed distance fields
     };
 
     /**
      * Creates an SkGpuDevice from a GrSurface. This will fail if the surface is not a render
      * target. The caller owns a ref on the returned device. If the surface is cached,
      * the kCached_Flag should be specified to make the device responsible for unlocking
      * the surface when it is released.
      */
     static SkGpuDevice* Create(GrSurface* surface, const SkSurfaceProps&, unsigned flags = 0);
 
@@ skipping 61 matching lines @@
     virtual void onAttachToCanvas(SkCanvas* canvas) SK_OVERRIDE;
     virtual void onDetachFromCanvas() SK_OVERRIDE;
 
     virtual const SkBitmap& onAccessBitmap() SK_OVERRIDE;
 
     virtual bool canHandleImageFilter(const SkImageFilter*) SK_OVERRIDE;
     virtual bool filterImage(const SkImageFilter*, const SkBitmap&,
                              const SkImageFilter::Context&,
                              SkBitmap*, SkIPoint*) SK_OVERRIDE;
 
-    class SkAutoCachedTexture; // used internally
-
-
 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;
 
     /**  PRIVATE / EXPERIMENTAL -- do not call */
     virtual void EXPERIMENTAL_optimize(const SkPicture* picture) SK_OVERRIDE;
     /**  PRIVATE / EXPERIMENTAL -- do not call */
     virtual bool EXPERIMENTAL_drawPicture(SkCanvas* canvas, const SkPicture* picture,
                                           const SkMatrix*, const SkPaint*) SK_OVERRIDE;
 
@@ skipping 68 matching lines @@
                          bool bicubic);
 
     bool drawDashLine(const SkPoint pts[2], const SkPaint& paint);
 
     static SkPicture::AccelData::Key ComputeAccelDataKey();
 
     typedef SkBaseDevice INHERITED;
 };
 
 #endif