1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_ 6 #define MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_ 7 8 #include <map> 9 10 #include "base/macros.h" 11 #include "base/memory/scoped_ptr.h" 12 #include "gpu/command_buffer/client/gpu_control.h" 13 #include "gpu/command_buffer/common/command_buffer.h" 14 #include "gpu/command_buffer/common/command_buffer_shared.h" 15 #include "mojo/public/cpp/bindings/error_handler.h" 16 #include "mojo/services/gles2/command_buffer.mojom.h" 17 18 namespace base { 19 class RunLoop; 20 } 21 22 namespace mojo { 23 template <typename S> 24 class SyncDispatcher; 25 26 namespace gles2 { 27 class CommandBufferClientImpl; 28 29 class CommandBufferDelegate { 30 public: 31 virtual ~CommandBufferDelegate(); 32 virtual void ContextLost(); 33 virtual void DrawAnimationFrame(); 34 }; 35 36 class CommandBufferClientImpl : public CommandBufferClient, 37 public CommandBufferSyncClient, 38 public ErrorHandler, 39 public gpu::CommandBuffer, 40 public gpu::GpuControl { 41 public: 42 explicit CommandBufferClientImpl( 43 CommandBufferDelegate* delegate, 44 const MojoAsyncWaiter* async_waiter, 45 ScopedMessagePipeHandle command_buffer_handle); 46 virtual ~CommandBufferClientImpl(); 47 48 // CommandBuffer implementation: 49 virtual bool Initialize() OVERRIDE; 50 virtual State GetLastState() OVERRIDE; 51 virtual int32 GetLastToken() OVERRIDE; 52 virtual void Flush(int32 put_offset) OVERRIDE; 53 virtual void WaitForTokenInRange(int32 start, int32 end) OVERRIDE; 54 virtual void WaitForGetOffsetInRange(int32 start, int32 end) OVERRIDE; 55 virtual void SetGetBuffer(int32 shm_id) OVERRIDE; 56 virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(size_t size, 57 int32* id) OVERRIDE; 58 virtual void DestroyTransferBuffer(int32 id) OVERRIDE; 59 60 // gpu::GpuControl implementation: 61 virtual gpu::Capabilities GetCapabilities() OVERRIDE; 62 virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(size_t width, 63 size_t height, 64 unsigned internalformat, 65 unsigned usage, 66 int32* id) OVERRIDE; 67 virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE; 68 virtual uint32 InsertSyncPoint() OVERRIDE; 69 virtual void SignalSyncPoint(uint32 sync_point, 70 const base::Closure& callback) OVERRIDE; 71 virtual void SignalQuery(uint32 query, 72 const base::Closure& callback) OVERRIDE; 73 virtual void SetSurfaceVisible(bool visible) OVERRIDE; 74 virtual void Echo(const base::Closure& callback) OVERRIDE; 75 virtual uint32 CreateStreamTexture(uint32 texture_id) OVERRIDE; 76 77 void RequestAnimationFrames(); 78 void CancelAnimationFrames(); 79 80 private: 81 // CommandBufferClient implementation: 82 virtual void DidInitialize(bool success) OVERRIDE; 83 virtual void DidMakeProgress(CommandBufferStatePtr state) OVERRIDE; 84 virtual void DidDestroy() OVERRIDE; 85 virtual void LostContext(int32_t lost_reason) OVERRIDE; 86 87 // ErrorHandler implementation: 88 virtual void OnConnectionError() OVERRIDE; 89 90 virtual void DrawAnimationFrame() OVERRIDE; 91 92 void TryUpdateState(); 93 void MakeProgressAndUpdateState(); 94 shared_state()95 gpu::CommandBufferSharedState* shared_state() const { return shared_state_; } 96 97 CommandBufferDelegate* delegate_; 98 CommandBufferPtr command_buffer_; 99 scoped_ptr<SyncDispatcher<CommandBufferSyncClient> > sync_dispatcher_; 100 101 State last_state_; 102 mojo::ScopedSharedBufferHandle shared_state_handle_; 103 gpu::CommandBufferSharedState* shared_state_; 104 int32 last_put_offset_; 105 int32 next_transfer_buffer_id_; 106 107 bool initialize_result_; 108 const MojoAsyncWaiter* async_waiter_; 109 }; 110 111 } // gles2 112 } // mojo 113 114 #endif // MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_ 115