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

gpu/command_buffer/service/context_group.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_CONTEXT_GROUP_H_
 #define GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_
 
 #include <string>
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/service/gles2_cmd_validation.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 
 class IdAllocatorInterface;
 class TransferBufferManagerInterface;
 
 namespace gles2 {
 
+class ProgramCache;
 class BufferManager;
 class GLES2Decoder;
 class FramebufferManager;
 class MailboxManager;
 class RenderbufferManager;
 class ProgramManager;
 class ShaderManager;
 class TextureManager;
 struct DisallowedFeatures;
 
@@ skipping 69 matching lines @@
   }
 
   TextureManager* texture_manager() const {
     return texture_manager_.get();
   }
 
   ProgramManager* program_manager() const {
     return program_manager_.get();
   }
 
+  bool has_program_cache() const {
+    return program_cache_ != NULL;
+  }
+
+  void set_program_cache(ProgramCache* program_cache) {
+    program_cache_ = program_cache;
+  }
+
   ShaderManager* shader_manager() const {
     return shader_manager_.get();
   }
 
   TransferBufferManagerInterface* transfer_buffer_manager() const {
     return transfer_buffer_manager_.get();
   }
 
   IdAllocatorInterface* GetIdAllocator(unsigned namespace_id);
 
@@ skipping 17 matching lines @@
   bool bind_generates_resource_;
 
   uint32 max_vertex_attribs_;
   uint32 max_texture_units_;
   uint32 max_texture_image_units_;
   uint32 max_vertex_texture_image_units_;
   uint32 max_fragment_uniform_vectors_;
   uint32 max_varying_vectors_;
   uint32 max_vertex_uniform_vectors_;
 
+  ProgramCache* program_cache_;
+
   scoped_ptr<BufferManager> buffer_manager_;
 
   scoped_ptr<FramebufferManager> framebuffer_manager_;
 
   scoped_ptr<RenderbufferManager> renderbuffer_manager_;
 
   scoped_ptr<TextureManager> texture_manager_;
 
   scoped_ptr<ProgramManager> program_manager_;
 
   scoped_ptr<ShaderManager> shader_manager_;
 
   linked_ptr<IdAllocatorInterface>
       id_namespaces_[id_namespaces::kNumIdNamespaces];
 
   FeatureInfo::Ref feature_info_;
 
   DISALLOW_COPY_AND_ASSIGN(ContextGroup);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_