| // Copyright (c) 2013 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_CLIENT_CONTEXT_PROVIDER_COMMAND_BUFFER |
| #define CONTENT_COMMON_GPU_CLIENT_CONTEXT_PROVIDER_COMMAND_BUFFER |
| |
| #include "base/compiler_specific.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/synchronization/lock.h" |
| #include "base/threading/thread_checker.h" |
| #include "cc/output/context_provider.h" |
| #include "content/common/content_export.h" |
| #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h" |
| |
| namespace webkit { |
| namespace gpu { |
| class GrContextForWebGraphicsContext3D; |
| } |
| } |
| |
| namespace content { |
| |
| // Implementation of cc::ContextProvider that provides a |
| // WebGraphicsContext3DCommandBufferImpl context and a GrContext. |
| class CONTENT_EXPORT ContextProviderCommandBuffer |
| : NON_EXPORTED_BASE(public cc::ContextProvider) { |
| public: |
| static scoped_refptr<ContextProviderCommandBuffer> Create( |
| scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context3d, |
| const std::string& debug_name); |
| |
| virtual bool BindToCurrentThread() OVERRIDE; |
| virtual WebGraphicsContext3DCommandBufferImpl* Context3d() OVERRIDE; |
| virtual gpu::ContextSupport* ContextSupport() OVERRIDE; |
| virtual class GrContext* GrContext() OVERRIDE; |
| virtual Capabilities ContextCapabilities() OVERRIDE; |
| virtual void VerifyContexts() OVERRIDE; |
| virtual bool DestroyedOnMainThread() OVERRIDE; |
| virtual void SetLostContextCallback( |
| const LostContextCallback& lost_context_callback) OVERRIDE; |
| virtual void SetSwapBuffersCompleteCallback( |
| const SwapBuffersCompleteCallback& swap_buffers_complete_callback) |
| OVERRIDE; |
| virtual void SetMemoryPolicyChangedCallback( |
| const MemoryPolicyChangedCallback& memory_policy_changed_callback) |
| OVERRIDE; |
| |
| void set_leak_on_destroy() { |
| base::AutoLock lock(main_thread_lock_); |
| leak_on_destroy_ = true; |
| } |
| |
| protected: |
| ContextProviderCommandBuffer( |
| scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context3d, |
| const std::string& debug_name); |
| virtual ~ContextProviderCommandBuffer(); |
| |
| void OnLostContext(); |
| void OnSwapBuffersComplete(); |
| void OnMemoryAllocationChanged(const gpu::MemoryAllocation& allocation); |
| |
| private: |
| bool InitializeCapabilities(); |
| |
| base::ThreadChecker main_thread_checker_; |
| base::ThreadChecker context_thread_checker_; |
| |
| scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context3d_; |
| scoped_ptr<webkit::gpu::GrContextForWebGraphicsContext3D> gr_context_; |
| |
| cc::ContextProvider::Capabilities capabilities_; |
| std::string debug_name_; |
| |
| LostContextCallback lost_context_callback_; |
| SwapBuffersCompleteCallback swap_buffers_complete_callback_; |
| MemoryPolicyChangedCallback memory_policy_changed_callback_; |
| |
| base::Lock main_thread_lock_; |
| bool leak_on_destroy_; |
| bool destroyed_; |
| |
| class LostContextCallbackProxy; |
| scoped_ptr<LostContextCallbackProxy> lost_context_callback_proxy_; |
| |
| class SwapBuffersCompleteCallbackProxy; |
| scoped_ptr<SwapBuffersCompleteCallbackProxy> |
| swap_buffers_complete_callback_proxy_; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_COMMON_GPU_CLIENT_CONTEXT_PROVIDER_COMMAND_BUFFER |