Add tracing for GL texture objects

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 <algorithm>
 #include <list>
 #include <set>
@@ skipping 537 matching lines @@
   base::TimeDelta total_texture_upload_time;
 
   bool texsubimage_faster_than_teximage;
 };
 
 // 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 {
+class GPU_EXPORT TextureManager : public base::trace_event::MemoryDumpProvider {
  public:
   class GPU_EXPORT DestructionObserver {
    public:
     DestructionObserver();
     virtual ~DestructionObserver();
 
     // Called in ~TextureManager.
     virtual void OnTextureManagerDestroying(TextureManager* manager) = 0;
 
     // Called via ~TextureRef.
@@ skipping 11 matching lines @@
     kNumDefaultTextures
   };
 
   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,
                  bool use_default_textures);
-  ~TextureManager();
+  ~TextureManager() override;
 
   void set_framebuffer_manager(FramebufferManager* manager) {
     framebuffer_manager_ = manager;
   }
 
   // Init the texture manager.
   bool Initialize();
 
   // Must call before destruction.
   void Destroy(bool have_context);
@@ skipping 258 matching lines @@
   bool ValidateFormatAndTypeCombination(
     ErrorState* error_state, const char* function_name,
     GLenum format, GLenum type);
 
   // Note that internal_format is only checked in relation to the format
   // parameter, so that this function may be used to validate texSubImage2D.
   bool ValidateTextureParameters(
     ErrorState* error_state, const char* function_name,
     GLenum format, GLenum type, GLenum internal_format, GLint level);
 
+  // base::trace_event::MemoryDumpProvider implementation.
+  bool OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd) override;
+
  private:
   friend class Texture;
   friend class TextureRef;
 
   // Helper for Initialize().
   scoped_refptr<TextureRef> CreateDefaultAndBlackTextures(
       GLenum target,
       GLuint* black_texture);
 
   void DoTexImage(
     DecoderTextureState* texture_state,
     ErrorState* error_state,
     DecoderFramebufferState* framebuffer_state,
     const char* function_name,
     TextureRef* texture_ref,
     const DoTexImageArguments& args);
 
   void StartTracking(TextureRef* texture);
   void StopTracking(TextureRef* texture);
 
   void UpdateSafeToRenderFrom(int delta);
   void UpdateUnclearedMips(int delta);
   void UpdateCanRenderCondition(Texture::CanRenderCondition old_condition,
                                 Texture::CanRenderCondition new_condition);
   void UpdateNumImages(int delta);
   void IncFramebufferStateChangeCount();
 
   GLenum AdjustTexFormat(GLenum format) const;
 
+  // Helper function called by OnMemoryDump.
+  void DumpTextureRef(base::trace_event::ProcessMemoryDump* pmd,
+                      TextureRef* ref);
+
   MemoryTypeTracker* GetMemTracker(GLenum texture_pool);
   scoped_ptr<MemoryTypeTracker> memory_tracker_managed_;
   scoped_ptr<MemoryTypeTracker> memory_tracker_unmanaged_;
+  MemoryTracker* memory_tracker_;
 
   scoped_refptr<FeatureInfo> feature_info_;
 
   FramebufferManager* framebuffer_manager_;
 
   // Info for each texture in the system.
   typedef base::hash_map<GLuint, scoped_refptr<TextureRef> > TextureMap;
   TextureMap textures_;
 
   GLsizei max_texture_size_;
@@ skipping 39 matching lines @@
  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_