1 // Copyright (c) 2013 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.
5 #ifndef CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_
6 #define CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_
8 #include "base/basictypes.h"
9 #include "base/memory/weak_ptr.h"
10 #include "content/common/gpu/gpu_command_buffer_stub.h"
11 #include "ipc/ipc_listener.h"
12 #include "ui/gl/android/surface_texture.h"
13 #include "ui/gl/gl_image.h"
21 class StreamTexture : public gfx::GLImage,
23 public GpuCommandBufferStub::DestructionObserver {
25 static int32 Create(GpuCommandBufferStub* owner_stub,
26 uint32 client_texture_id);
29 StreamTexture(GpuCommandBufferStub* owner_stub,
32 virtual ~StreamTexture();
34 // gfx::GLImage implementation:
35 virtual void Destroy() OVERRIDE;
36 virtual gfx::Size GetSize() OVERRIDE;
37 virtual void WillUseTexImage() OVERRIDE;
38 virtual void DidUseTexImage() OVERRIDE {}
40 // GpuCommandBufferStub::DestructionObserver implementation.
41 virtual void OnWillDestroyStub() OVERRIDE;
43 // Called when a new frame is available for the SurfaceTexture.
44 void OnFrameAvailable();
46 // IPC::Listener implementation:
47 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
49 // IPC message handlers:
50 void OnStartListening();
51 void OnEstablishPeer(int32 primary_id, int32 secondary_id);
52 void OnSetSize(const gfx::Size& size) { size_ = size; }
54 scoped_refptr<gfx::SurfaceTexture> surface_texture_;
56 // Current transform matrix of the surface texture.
57 float current_matrix_[16];
59 // Current size of the surface texture.
62 // Whether we ever bound a valid frame.
63 bool has_valid_frame_;
65 // Whether a new frame is available that we should update to.
66 bool has_pending_frame_;
68 GpuCommandBufferStub* owner_stub_;
72 base::WeakPtrFactory<StreamTexture> weak_factory_;
73 DISALLOW_COPY_AND_ASSIGN(StreamTexture);
76 } // namespace content
78 #endif // CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_