gpu in-memory program cache implementation with a memory limit + lru eviction.

content/common/gpu/gpu_channel_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 CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
 
+#include <vector>
+
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop_proxy.h"
 #include "build/build_config.h"
 #include "content/common/gpu/gpu_memory_manager.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_sender.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace base {
 class WaitableEvent;
 }
 
 namespace gfx {
 class GLShareGroup;
 }
 
 namespace gpu {
 namespace gles2 {
 class MailboxManager;
+class ProgramCache;
 }
 }
 
 namespace IPC {
 struct ChannelHandle;
 }
 
 class ChildThread;
 class GpuChannel;
 class GpuWatchdog;
@@ skipping 34 matching lines @@
       std::vector<GpuCommandBufferStubBase*>& stubs) OVERRIDE;
 
   void LoseAllContexts();
 
   base::WeakPtrFactory<GpuChannelManager> weak_factory_;
 
   int GenerateRouteID();
   void AddRoute(int32 routing_id, IPC::Listener* listener);
   void RemoveRoute(int32 routing_id);
 
+  gpu::gles2::ProgramCache* program_cache();
+
   GpuMemoryManager* gpu_memory_manager() { return &gpu_memory_manager_; }
 
   GpuChannel* LookupChannel(int32 client_id);
 
   SyncPointManager* sync_point_manager() { return sync_point_manager_; }
 
  private:
   // Message handlers.
   void OnEstablishChannel(int client_id, bool share_context);
   void OnCloseChannel(const IPC::ChannelHandle& channel_handle);
@@ skipping 16 matching lines @@
   // These objects manage channels to individual renderer processes there is
   // one channel for each renderer process that has connected to this GPU
   // process.
   typedef base::hash_map<int, scoped_refptr<GpuChannel> > GpuChannelMap;
   GpuChannelMap gpu_channels_;
   scoped_refptr<gfx::GLShareGroup> share_group_;
   scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
   GpuMemoryManager gpu_memory_manager_;
   GpuWatchdog* watchdog_;
   scoped_refptr<SyncPointManager> sync_point_manager_;
+  scoped_ptr<gpu::gles2::ProgramCache> program_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelManager);
 };
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_