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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_
      6 #define GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/containers/hash_tables.h"
     10 #include "base/memory/ref_counted.h"
     11 #include "gpu/command_buffer/service/gpu_memory_buffer_manager.h"
     12 #include "gpu/gpu_export.h"
     13 
     14 namespace gfx {
     15 class GLImage;
     16 }
     17 
     18 namespace gpu {
     19 namespace gles2 {
     20 
     21 // Interface used by the cmd decoder to lookup images.
     22 class GPU_EXPORT ImageManager
     23     : public GpuMemoryBufferManagerInterface,
     24       public base::RefCounted<ImageManager> {
     25  public:
     26   ImageManager();
     27 
     28   // Overridden from GpuMemoryBufferManagerInterface:
     29   virtual bool RegisterGpuMemoryBuffer(int32 id,
     30                                        gfx::GpuMemoryBufferHandle buffer,
     31                                        size_t width,
     32                                        size_t height,
     33                                        unsigned internalformat) OVERRIDE;
     34   virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
     35 
     36   void AddImage(gfx::GLImage* gl_image, int32 service_id);
     37   void RemoveImage(int32 service_id);
     38   gfx::GLImage* LookupImage(int32 service_id);
     39 
     40   // For Android specific workaround.
     41   void SetReleaseAfterUse();
     42 
     43  private:
     44   friend class base::RefCounted<ImageManager>;
     45 
     46   virtual ~ImageManager();
     47 
     48   typedef base::hash_map<uint32, scoped_refptr<gfx::GLImage> > GLImageMap;
     49   GLImageMap gl_images_;
     50   bool release_after_use_;
     51 
     52   DISALLOW_COPY_AND_ASSIGN(ImageManager);
     53 };
     54 
     55 }  // namespage gles2
     56 }  // namespace gpu
     57 
     58 #endif  // GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_
     59