src/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/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 namespace gles2 {
  24 class CommandBufferClientImpl;
  25
  26 class CommandBufferDelegate {
  27  public:
  28   virtual ~CommandBufferDelegate();
  29   virtual void ContextLost();
  30 };
  31
  32 class CommandBufferClientImpl : public CommandBufferClient,
  33                                 public ErrorHandler,
  34                                 public gpu::CommandBuffer,
  35                                 public gpu::GpuControl {
  36  public:
  37   explicit CommandBufferClientImpl(
  38       CommandBufferDelegate* delegate,
  39       const MojoAsyncWaiter* async_waiter,
  40       ScopedMessagePipeHandle command_buffer_handle);
  41   virtual ~CommandBufferClientImpl();
  42
  43   // CommandBuffer implementation:
  44   virtual bool Initialize() OVERRIDE;
  45   virtual State GetLastState() OVERRIDE;
  46   virtual int32 GetLastToken() OVERRIDE;
  47   virtual void Flush(int32 put_offset) OVERRIDE;
  48   virtual void WaitForTokenInRange(int32 start, int32 end) OVERRIDE;
  49   virtual void WaitForGetOffsetInRange(int32 start, int32 end) OVERRIDE;
  50   virtual void SetGetBuffer(int32 shm_id) OVERRIDE;
  51   virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(size_t size,
  52                                                           int32* id) OVERRIDE;
  53   virtual void DestroyTransferBuffer(int32 id) OVERRIDE;
  54
  55   // gpu::GpuControl implementation:
  56   virtual gpu::Capabilities GetCapabilities() OVERRIDE;
  57   virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(size_t width,
  58                                                       size_t height,
  59                                                       unsigned internalformat,
  60                                                       unsigned usage,
  61                                                       int32* id) OVERRIDE;
  62   virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
  63   virtual uint32 InsertSyncPoint() OVERRIDE;
  64   virtual uint32 InsertFutureSyncPoint() OVERRIDE;
  65   virtual void RetireSyncPoint(uint32 sync_point) OVERRIDE;
  66   virtual void SignalSyncPoint(uint32 sync_point,
  67                                const base::Closure& callback) OVERRIDE;
  68   virtual void SignalQuery(uint32 query,
  69                            const base::Closure& callback) OVERRIDE;
  70   virtual void SetSurfaceVisible(bool visible) OVERRIDE;
  71   virtual void Echo(const base::Closure& callback) OVERRIDE;
  72   virtual uint32 CreateStreamTexture(uint32 texture_id) OVERRIDE;
  73
  74  private:
  75   class SyncClientImpl;
  76
  77   // CommandBufferClient implementation:
  78   virtual void DidDestroy() OVERRIDE;
  79   virtual void LostContext(int32_t lost_reason) OVERRIDE;
  80
  81   // ErrorHandler implementation:
  82   virtual void OnConnectionError() OVERRIDE;
  83
  84   void TryUpdateState();
  85   void MakeProgressAndUpdateState();
  86
  87   gpu::CommandBufferSharedState* shared_state() const { return shared_state_; }
  88
  89   CommandBufferDelegate* delegate_;
  90   CommandBufferPtr command_buffer_;
  91   scoped_ptr<SyncClientImpl> sync_client_impl_;
  92
  93   State last_state_;
  94   mojo::ScopedSharedBufferHandle shared_state_handle_;
  95   gpu::CommandBufferSharedState* shared_state_;
  96   int32 last_put_offset_;
  97   int32 next_transfer_buffer_id_;
  98
  99   const MojoAsyncWaiter* async_waiter_;
 100 };
 101
 102 }  // gles2
 103 }  // mojo
 104
 105 #endif  // MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_