Line data    Source code

       1             : /*
       2             :  * Copyright 2016 Google Inc.
       3             :  *
       4             :  * Use of this source code is governed by a BSD-style license that can be
       5             :  * found in the LICENSE file.
       6             :  */
       7             : 
       8             : #ifndef GrTextureProxy_DEFINED
       9             : #define GrTextureProxy_DEFINED
      10             : 
      11             : #include "GrSurfaceProxy.h"
      12             : #include "GrTexture.h"
      13             : 
      14             : class GrCaps;
      15             : class GrResourceProvider;
      16             : class GrTextureOpList;
      17             : 
      18             : // This class delays the acquisition of textures until they are actually required
      19           0 : class GrTextureProxy : virtual public GrSurfaceProxy {
      20             : public:
      21           0 :     GrTextureProxy* asTextureProxy() override { return this; }
      22           0 :     const GrTextureProxy* asTextureProxy() const override { return this; }
      23             : 
      24             :     // Actually instantiate the backing texture, if necessary
      25             :     GrTexture* instantiate(GrResourceProvider*);
      26             : 
      27             :     void setMipColorMode(SkDestinationSurfaceColorMode colorMode);
      28             : 
      29             : protected:
      30             :     friend class GrSurfaceProxy; // for ctors
      31             : 
      32             :     // Deferred version
      33             :     GrTextureProxy(const GrSurfaceDesc& srcDesc, SkBackingFit, SkBudgeted,
      34             :                    const void* srcData, size_t srcRowBytes, uint32_t flags);
      35             :     // Wrapped version
      36             :     GrTextureProxy(sk_sp<GrSurface>);
      37             : 
      38             : private:
      39             :     size_t onGpuMemorySize() const override;
      40             : 
      41             :     // For wrapped proxies the GrTexture pointer is stored in GrIORefProxy.
      42             :     // For deferred proxies that pointer will be filled in when we need to instantiate
      43             :     // the deferred resource
      44             : 
      45             :     typedef GrSurfaceProxy INHERITED;
      46             : };
      47             : 
      48             : #endif