mojo/gles2/command_buffer_client_impl.h

   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/common/command_buffer.h"
  13 #include "gpu/command_buffer/common/command_buffer_shared.h"
  14 #include "gpu/command_buffer/common/gpu_control.h"
  15 #include "mojo/public/cpp/bindings/error_handler.h"
  16 #include "mojo/public/cpp/bindings/remote_ptr.h"
  17 #include "mojo/services/gles2/command_buffer.mojom.h"
  18
  19 namespace base {
  20 class RunLoop;
  21 }
  22
  23 namespace mojo {
  24 template <typename S>
  25 class SyncDispatcher;
  26
  27 namespace gles2 {
  28 class CommandBufferClientImpl;
  29
  30 class CommandBufferDelegate {
  31  public:
  32   virtual ~CommandBufferDelegate();
  33   virtual void ContextLost();
  34   virtual void DrawAnimationFrame();
  35 };
  36
  37 class CommandBufferClientImpl : public CommandBufferClient,
  38                                 public CommandBufferSyncClient,
  39                                 public ErrorHandler,
  40                                 public gpu::CommandBuffer,
  41                                 public gpu::GpuControl {
  42  public:
  43   explicit CommandBufferClientImpl(
  44       CommandBufferDelegate* delegate,
  45       MojoAsyncWaiter* async_waiter,
  46       ScopedCommandBufferHandle command_buffer_handle);
  47   virtual ~CommandBufferClientImpl();
  48
  49   // CommandBuffer implementation:
  50   virtual bool Initialize() OVERRIDE;
  51   virtual State GetState() OVERRIDE;
  52   virtual State GetLastState() OVERRIDE;
  53   virtual int32 GetLastToken() OVERRIDE;
  54   virtual void Flush(int32 put_offset) OVERRIDE;
  55   virtual void WaitForTokenInRange(int32 start, int32 end) OVERRIDE;
  56   virtual void WaitForGetOffsetInRange(int32 start, int32 end) OVERRIDE;
  57   virtual void SetGetBuffer(int32 shm_id) OVERRIDE;
  58   virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(size_t size,
  59                                                           int32* id) OVERRIDE;
  60   virtual void DestroyTransferBuffer(int32 id) OVERRIDE;
  61
  62   // gpu::GpuControl implementation:
  63   virtual gpu::Capabilities GetCapabilities() OVERRIDE;
  64   virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(size_t width,
  65                                                       size_t height,
  66                                                       unsigned internalformat,
  67                                                       int32* id) OVERRIDE;
  68   virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
  69   virtual uint32 InsertSyncPoint() OVERRIDE;
  70   virtual void SignalSyncPoint(uint32 sync_point,
  71                                const base::Closure& callback) OVERRIDE;
  72   virtual void SignalQuery(uint32 query,
  73                            const base::Closure& callback) OVERRIDE;
  74   virtual void SetSurfaceVisible(bool visible) OVERRIDE;
  75   virtual void SendManagedMemoryStats(const gpu::ManagedMemoryStats& stats)
  76       OVERRIDE;
  77   virtual void Echo(const base::Closure& callback) OVERRIDE;
  78   virtual uint32 CreateStreamTexture(uint32 texture_id) OVERRIDE;
  79
  80   void RequestAnimationFrames();
  81   void CancelAnimationFrames();
  82
  83  private:
  84   // CommandBufferClient implementation:
  85   virtual void DidInitialize(bool success) OVERRIDE;
  86   virtual void DidMakeProgress(const CommandBufferState& state) OVERRIDE;
  87   virtual void DidDestroy() OVERRIDE;
  88   virtual void LostContext(int32_t lost_reason) OVERRIDE;
  89
  90   // ErrorHandler implementation:
  91   virtual void OnError() OVERRIDE;
  92
  93   virtual void DrawAnimationFrame() OVERRIDE;
  94
  95   void TryUpdateState();
  96   void MakeProgressAndUpdateState();
  97
  98   gpu::CommandBufferSharedState* shared_state() const { return shared_state_; }
  99
 100   CommandBufferDelegate* delegate_;
 101   RemotePtr<mojo::CommandBuffer> command_buffer_;
 102   scoped_ptr<SyncDispatcher<CommandBufferSyncClient> > sync_dispatcher_;
 103
 104   State last_state_;
 105   mojo::ScopedSharedBufferHandle shared_state_handle_;
 106   gpu::CommandBufferSharedState* shared_state_;
 107   int32 last_put_offset_;
 108   int32 next_transfer_buffer_id_;
 109
 110   bool initialize_result_;
 111 };
 112
 113 }  // gles2
 114 }  // mojo
 115
 116 #endif  // MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_