Track managed memory usage in the command buffer.

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 <string>
 #include <vector>
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
 #include "base/logging.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/gpu_export.h"
 #include "ui/gl/gl_image.h"
 
 namespace gpu {
 namespace gles2 {
 
 class GLES2Decoder;
 class Display;
 class TextureDefinition;
-class MemoryTracker;
-class MemoryTypeTracker;
 
 // This class keeps track of the textures and their sizes so we can do NPOT and
 // texture complete checking.
 //
 // NOTE: To support shared resources an instance of this class will need to be
 // shared by multiple GLES2Decoders.
 class GPU_EXPORT TextureManager {
  public:
   enum DefaultAndBlackTextures {
     kTexture2D,
@@ skipping 268 matching lines @@
     // The target. 0 if unset, otherwise GL_TEXTURE_2D or GL_TEXTURE_CUBE_MAP.
     GLenum target_;
 
     // Texture parameters.
     GLenum min_filter_;
     GLenum mag_filter_;
     GLenum wrap_s_;
     GLenum wrap_t_;
     GLenum usage_;
 
+    // The accounting pool towards which the memory for this allocation should
+    // be charged. This will be rolled into a new GLenum texture parameter in
+    // a separate change.
+    MemoryTracker::Pool tracking_pool_;
+
     // The maximum level that has been set.
     GLint max_level_set_;
 
     // Whether or not this texture is "texture complete"
     bool texture_complete_;
 
     // Whether or not this texture is "cube complete"
     bool cube_complete_;
 
     // Whether or not this texture is non-power-of-two
@@ skipping 176 matching lines @@
       case GL_SAMPLER_EXTERNAL_OES:
         return black_texture_ids_[kExternalOES];
       case GL_SAMPLER_2D_RECT_ARB:
         return black_texture_ids_[kRectangleARB];
       default:
         NOTREACHED();
         return 0;
     }
   }
 
-  uint32 mem_represented() const {
-    return mem_represented_;
+  size_t mem_represented() const {
+    return
+        memory_tracker_managed_->GetMemRepresented() +
+        memory_tracker_unmanaged_->GetMemRepresented();
   }
 
   void SetLevelImage(
       TextureInfo* info,
       GLenum target,
       GLint level,
       gfx::GLImage* image);
 
   void AddToSignature(
       TextureInfo* info,
       GLenum target,
       GLint level,
       std::string* signature) const;
 
  private:
   // Helper for Initialize().
   TextureInfo::Ref CreateDefaultAndBlackTextures(
       GLenum target,
       GLuint* black_texture);
 
-  void UpdateMemRepresented();
-
   void StartTracking(TextureInfo* info);
   void StopTracking(TextureInfo* info);
 
-  scoped_ptr<MemoryTypeTracker> texture_memory_tracker_;
+  MemoryTypeTracker* GetMemTracker(MemoryTracker::Pool tracking_pool);
+  scoped_ptr<MemoryTypeTracker> memory_tracker_managed_;
+  scoped_ptr<MemoryTypeTracker> memory_tracker_unmanaged_;
 
   FeatureInfo::Ref feature_info_;
 
   // Info for each texture in the system.
   typedef base::hash_map<GLuint, TextureInfo::Ref> TextureInfoMap;
   TextureInfoMap texture_infos_;
 
   GLsizei max_texture_size_;
   GLsizei max_cube_map_texture_size_;
   GLint max_levels_;
   GLint max_cube_map_levels_;
 
   int num_unrenderable_textures_;
   int num_unsafe_textures_;
   int num_uncleared_mips_;
 
   // Counts the number of TextureInfo allocated with 'this' as its manager.
   // Allows to check no TextureInfo will outlive this.
   unsigned int texture_info_count_;
 
-  uint32 mem_represented_;
-
   bool have_context_;
 
   // Black (0,0,0,1) textures for when non-renderable textures are used.
   // NOTE: There is no corresponding TextureInfo for these textures.
   // TextureInfos are only for textures the client side can access.
   GLuint black_texture_ids_[kNumDefaultTextures];
 
   // The default textures for each target (texture name = 0)
   TextureInfo::Ref default_textures_[kNumDefaultTextures];
 
   DISALLOW_COPY_AND_ASSIGN(TextureManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_