Add GrResourceCache2.

src/gpu/GrGpu.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 GrGpu_DEFINED
 #define GrGpu_DEFINED
 
@@ skipping 36 matching lines @@
     static GrGpu* Create(GrBackend, GrBackendContext, GrContext* context);
 
     ////////////////////////////////////////////////////////////////////////////
 
     GrGpu(GrContext* context);
     virtual ~GrGpu();
 
     GrContext* getContext() { return this->INHERITED::getContext(); }
     const GrContext* getContext() const { return this->INHERITED::getContext(); }
 
+    // Called by GrContext when the underlying backend context has been destroyed.
+    // GrGpu should use this to ensure that no backend API calls will be made from
+    // here onward, including in its destructor. Subclasses should call
+    // INHERITED::contextAbandonded() if they override this.
+    virtual void contextAbandonded();
+
     /**
      * The GrGpu object normally assumes that no outsider is setting state
      * within the underlying 3D API's context/device/whatever. This call informs
      * the GrGpu that the state was modified and it shouldn't make assumptions
      * about the state.
      */
     void markContextDirty(uint32_t state = kAll_GrBackendState) {
         fResetBits |= state;
     }
 
@@ skipping 174 matching lines @@
      * @param config        the pixel config of the source buffer
      * @param buffer        memory to read pixels from
      * @param rowBytes      number of bytes between consecutive rows. Zero
      *                      means rows are tightly packed.
      */
     bool writeTexturePixels(GrTexture* texture,
                             int left, int top, int width, int height,
                             GrPixelConfig config, const void* buffer,
                             size_t rowBytes);
 
-    /**
-     * Called to tell GrGpu that all GrGpuResources have been lost and should
-     * be abandoned. Overrides must call INHERITED::abandonResources().
-     */
-    virtual void abandonResources();
-
-    /**
-     * Called to tell GrGpu to release all GrGpuResources. Overrides must call
-     * INHERITED::releaseResources().
-     */
-    void releaseResources();
-
-    /**
-     * Add object to list of objects. Should only be called by GrGpuResource.
-     * @param resource  the resource to add.
-     */
-    void insertObject(GrGpuResource* object);
-
-    /**
-     * Remove object from list of objects. Should only be called by GrGpuResource.
-     * @param resource  the resource to remove.
-     */
-    void removeObject(GrGpuResource* object);
-
     // GrDrawTarget overrides
     virtual void clear(const SkIRect* rect,
                        GrColor color,
                        bool canIgnoreRect,
                        GrRenderTarget* renderTarget = NULL) SK_OVERRIDE;
 
     virtual void purgeResources() SK_OVERRIDE {
         // The clip mask manager can rebuild all its clip masks so just
         // get rid of them all.
-        fClipMaskManager.releaseResources();
+        fClipMaskManager.purgeResources();
     }
 
     // After the client interacts directly with the 3D context state the GrGpu
     // must resync its internal state and assumptions about 3D context state.
     // Each time this occurs the GrGpu bumps a timestamp.
     // state of the 3D context
     // At 10 resets / frame and 60fps a 64bit timestamp will overflow in about
     // a billion years.
     typedef uint64_t ResetTimestamp;
 
@@ skipping 224 matching lines @@
 
     void handleDirtyContext() {
         if (fResetBits) {
             this->resetContext();
         }
     }
 
     enum {
         kPreallocGeomPoolStateStackCnt = 4,
     };
-    typedef SkTInternalLList<GrGpuResource> ObjectList;
     SkSTArray<kPreallocGeomPoolStateStackCnt, GeometryPoolState, true>  fGeomPoolStateStack;
     ResetTimestamp                                                      fResetTimestamp;
     uint32_t                                                            fResetBits;
     GrVertexBufferAllocPool*                                            fVertexPool;
     GrIndexBufferAllocPool*                                             fIndexPool;
     // counts number of uses of vertex/index pool in the geometry stack
     int                                                                 fVertexPoolUseCnt;
     int                                                                 fIndexPoolUseCnt;
     // these are mutable so they can be created on-demand
     mutable GrIndexBuffer*                                              fQuadIndexBuffer;
-    // Used to abandon/release all resources created by this GrGpu. TODO: Move this
-    // functionality to GrResourceCache.
-    ObjectList                                                          fObjectList;
 
     typedef GrDrawTarget INHERITED;
 };
 
 #endif