Service/ClientDiscardableManager

gpu/command_buffer/service/texture_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <list>
 #include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
 #include "gpu/command_buffer/service/sampler_manager.h"
 #include "gpu/gpu_export.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gl/gl_image.h"
 
 namespace gpu {
+class ServiceDiscardableManager;
+
 namespace gles2 {
-
 class GLES2Decoder;
 class GLStreamTextureImage;
 struct ContextState;
 struct DecoderFramebufferState;
 class ErrorState;
 class FeatureInfo;
 class FramebufferManager;
 class MailboxManager;
 class ProgressReporter;
 class Texture;
@@ skipping 710 matching lines @@
   };
 
   TextureManager(MemoryTracker* memory_tracker,
                  FeatureInfo* feature_info,
                  GLsizei max_texture_size,
                  GLsizei max_cube_map_texture_size,
                  GLsizei max_rectangle_texture_size,
                  GLsizei max_3d_texture_size,
                  GLsizei max_array_texture_layers,
                  bool use_default_textures,
-                 ProgressReporter* progress_reporter);
+                 ProgressReporter* progress_reporter,
+                 ServiceDiscardableManager* discardable_manager);
   ~TextureManager() override;
 
   void set_framebuffer_manager(FramebufferManager* manager) {
     framebuffer_manager_ = manager;
   }
 
   // Init the texture manager.
   bool Initialize();
 
   // Must call before destruction.
@@ skipping 122 matching lines @@
   // Clear a specific level.
   bool ClearTextureLevel(
       GLES2Decoder* decoder, TextureRef* ref, GLenum target, GLint level);
 
   // Creates a new texture info.
   TextureRef* CreateTexture(GLuint client_id, GLuint service_id);
 
   // Gets the texture info for the given texture.
   TextureRef* GetTexture(GLuint client_id) const;
 
+  // Takes the TextureRef for the given texture out of the texture manager.
+  scoped_refptr<TextureRef> TakeTexture(GLuint client_id);
+
+  // Returns a TextureRef to the texture manager.
+  void ReturnTexture(scoped_refptr<TextureRef> texture_ref);
+
   // Removes a texture info.
   void RemoveTexture(GLuint client_id);
 
   // Gets a Texture for a given service id (note: it assumes the texture object
   // is still mapped in this TextureManager).
   Texture* GetTextureForServiceId(GLuint service_id) const;
 
   TextureRef* GetDefaultTextureInfo(GLenum target) {
     switch (target) {
       case GL_TEXTURE_2D:
@@ skipping 318 matching lines @@
 
   std::vector<DestructionObserver*> destruction_observers_;
 
   uint32_t current_service_id_generation_;
 
   // Used to notify the watchdog thread of progress during destruction,
   // preventing time-outs when destruction takes a long time. May be null when
   // using in-process command buffer.
   ProgressReporter* progress_reporter_;
 
+  ServiceDiscardableManager* discardable_manager_;
+
   DISALLOW_COPY_AND_ASSIGN(TextureManager);
 };
 
 // This class records texture upload time when in scope.
 class ScopedTextureUploadTimer {
  public:
   explicit ScopedTextureUploadTimer(DecoderTextureState* texture_state);
   ~ScopedTextureUploadTimer();
 
  private:
   DecoderTextureState* texture_state_;
   base::TimeTicks begin_time_;
   DISALLOW_COPY_AND_ASSIGN(ScopedTextureUploadTimer);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_