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| 1 // Copyright (c) 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 CONTENT_COMMON_GPU_NULL_TRANSPORT_SURFACE_H_ | |
| 6 #define CONTENT_COMMON_GPU_NULL_TRANSPORT_SURFACE_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "content/common/gpu/image_transport_surface.h" | |
| 10 #include "ui/gfx/native_widget_types.h" | |
| 11 | |
| 12 namespace content { | |
| 13 | |
| 14 // Used when the GPU process is not involved in frame transport, but frame | |
| 15 // resources are exchanged between client and target directly (such as in | |
| 16 // delegated rendering). | |
| 17 class NullTransportSurface : public PassThroughImageTransportSurface { | |
| 18 public: | |
| 19 NullTransportSurface(GpuChannelManager* manager, | |
| 20 GpuCommandBufferStub* stub, | |
| 21 const gfx::GLSurfaceHandle& handle); | |
| 22 | |
| 23 // gfx::GLSurfaceAdapter implementation. | |
| 24 bool Initialize() override; | |
| 25 void Destroy() override; | |
| 26 gfx::SwapResult SwapBuffers() override; | |
| 27 gfx::SwapResult PostSubBuffer(int x, int y, int width, int height) override; | |
| 28 bool OnMakeCurrent(gfx::GLContext* context) override; | |
| 29 | |
| 30 protected: | |
| 31 ~NullTransportSurface() override; | |
| 32 | |
| 33 void SendVSyncUpdateIfAvailable() override; | |
| 34 | |
| 35 private: | |
| 36 uint32 parent_client_id_; | |
| 37 | |
| 38 DISALLOW_COPY_AND_ASSIGN(NullTransportSurface); | |
| 39 }; | |
| 40 | |
| 41 } // namespace content | |
| 42 | |
| 43 #endif // CONTENT_COMMON_GPU_NULL_TRANSPORT_SURFACE_H_ | |
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