content/common/gpu/stream_texture_manager_android.h - Issue 22824009: Remove StreamTextureManager

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Issue 22824009: Remove StreamTextureManager (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: address comments Created 7 years, 4 months ago

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1 // Copyright (c) 2012 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_STREAM_TEXTURE_MANAGER_ANDROID_H_

6 #define CONTENT_COMMON_GPU_STREAM_TEXTURE_MANAGER_ANDROID_H_

7

8 #include "base/callback.h"

9 #include "base/id_map.h"

10 #include "base/memory/scoped_ptr.h"

11 #include "base/memory/weak_ptr.h"

12 #include "content/common/android/surface_texture_peer.h"

13 #include "gpu/command_buffer/service/stream_texture.h"

14 #include "gpu/command_buffer/service/stream_texture_manager.h"

15

16 struct GpuStreamTextureMsg_MatrixChanged_Params;

17

18 namespace gfx {

19 class Size;

20 class SurfaceTextureBridge;

21 }

22

23 namespace content {

24 class GpuChannel;

25

26 // Class for managing the stream texture.

27 class StreamTextureManagerAndroid : public gpu::StreamTextureManager {

28 public:

29 StreamTextureManagerAndroid(GpuChannel* channel);

30 virtual ~StreamTextureManagerAndroid();

31

32 // implement gpu::StreamTextureManager:

33 virtual GLuint CreateStreamTexture(uint32 service_id,

34 uint32 client_id) OVERRIDE;

35 virtual void DestroyStreamTexture(uint32 service_id) OVERRIDE;

36 virtual gpu::StreamTexture* LookupStreamTexture(uint32 service_id) OVERRIDE;

37

38 // Methods invoked from GpuChannel.

39 void RegisterStreamTextureProxy(int32 stream_id, int32 route_id);

40 void EstablishStreamTexture(

41 int32 stream_id, int32 primary_id, int32 secondary_id);

42 void SetStreamTextureSize(int32 stream_id, const gfx::Size& size);

43

44 // Send new transform matrix.

45 void SendMatrixChanged(int route_id,

46 const GpuStreamTextureMsg_MatrixChanged_Params& params);

47

48 private:

49 // The stream texture class for android.

50 class StreamTextureAndroid

51 : public gpu::StreamTexture,

52 public base::SupportsWeakPtr<StreamTextureAndroid> {

53 public:

54 StreamTextureAndroid(GpuChannel* channel, int service_id);

55 virtual ~StreamTextureAndroid();

56

57 virtual void Update() OVERRIDE;

58 virtual gfx::Size GetSize() OVERRIDE;

59

60 scoped_refptr<gfx::SurfaceTextureBridge> surface_texture_bridge() {

61 return surface_texture_bridge_;

62 }

63

64 // Called when a new frame is available.

65 void OnFrameAvailable(int route_id);

66

67 // Set surface texture size.

68 void SetSize(const gfx::Size& size) { size_ = size; }

69

70 // Callback function when transform matrix of the surface texture

71 // has changed.

72 typedef base::Callback<

73 void(const GpuStreamTextureMsg_MatrixChanged_Params&)>

74 MatrixChangedCB;

75

76 void set_matrix_changed_callback(const MatrixChangedCB& callback) {

77 matrix_callback_ = callback;

78 }

79

80 private:

81 scoped_refptr<gfx::SurfaceTextureBridge> surface_texture_bridge_;

82

83 // Current transform matrix of the surface texture.

84 float current_matrix_[16];

85

86 // Current size of the surface texture.

87 gfx::Size size_;

88

89 // Whether the surface texture has been updated.

90 bool has_updated_;

91

92 MatrixChangedCB matrix_callback_;

93

94 GpuChannel* channel_;

95 DISALLOW_COPY_AND_ASSIGN(StreamTextureAndroid);

96 };

97

98 GpuChannel* channel_;

99

100 typedef IDMap<StreamTextureAndroid, IDMapOwnPointer> TextureMap;

101 TextureMap textures_;

102

103 // Map for more convenient lookup.

104 typedef IDMap<gpu::StreamTexture, IDMapExternalPointer> TextureServiceIdMap;

105 TextureServiceIdMap textures_from_service_id_;

106

107 DISALLOW_COPY_AND_ASSIGN(StreamTextureManagerAndroid);

108 };

109

110 } // namespace content

111

112 #endif // CONTENT_COMMON_GPU_STREAM_TEXTURE_MANAGER_ANDROID_H_

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