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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_GL_ANDROID_SURFACE_TEXTURE_H_ | 5 #ifndef UI_GL_ANDROID_SURFACE_TEXTURE_H_ |
6 #define UI_GL_ANDROID_SURFACE_TEXTURE_H_ | 6 #define UI_GL_ANDROID_SURFACE_TEXTURE_H_ |
7 | 7 |
8 #include <jni.h> | 8 #include <jni.h> |
9 | 9 |
10 #include "base/android/scoped_java_ref.h" | 10 #include "base/android/scoped_java_ref.h" |
11 #include "base/callback.h" | 11 #include "base/callback.h" |
12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
13 #include "ui/gl/gl_export.h" | 13 #include "ui/gl/gl_export.h" |
14 | 14 |
15 struct ANativeWindow; | 15 struct ANativeWindow; |
16 | 16 |
17 namespace gfx { | 17 namespace gfx { |
18 | 18 |
19 // This class serves as a bridge for native code to call java functions inside | 19 // This class serves as a bridge for native code to call java functions inside |
20 // android SurfaceTexture class. | 20 // android SurfaceTexture class. |
21 class GL_EXPORT SurfaceTexture | 21 class GL_EXPORT SurfaceTexture |
22 : public base::RefCountedThreadSafe<SurfaceTexture>{ | 22 : public base::RefCountedThreadSafe<SurfaceTexture>{ |
23 public: | 23 public: |
24 explicit SurfaceTexture(int texture_id); | 24 SurfaceTexture(int texture_id, bool single_buffered = false); |
reveman
2014/03/08 14:10:20
s/single_buffered/single_buffer_mode/ to be consis
sohanjg
2014/03/08 14:20:15
Done.
| |
25 | 25 |
26 // Set the listener callback, which will be invoked on the same thread that | 26 // Set the listener callback, which will be invoked on the same thread that |
27 // is being called from here for registration. | 27 // is being called from here for registration. |
28 // Note: Since callbacks come in from Java objects that might outlive objects | 28 // Note: Since callbacks come in from Java objects that might outlive objects |
29 // being referenced from the callback, the only robust way here is to create | 29 // being referenced from the callback, the only robust way here is to create |
30 // the callback from a weak pointer to your object. | 30 // the callback from a weak pointer to your object. |
31 void SetFrameAvailableCallback(const base::Closure& callback); | 31 void SetFrameAvailableCallback(const base::Closure& callback); |
32 | 32 |
33 // Update the texture image to the most recent frame from the image stream. | 33 // Update the texture image to the most recent frame from the image stream. |
34 void UpdateTexImage(); | 34 void UpdateTexImage(); |
35 | 35 |
36 // Releases the the texture content. This is needed in single buffered mode | |
reveman
2014/03/08 14:10:20
s/the the/the/
sohanjg
2014/03/08 14:20:15
Done.
| |
37 // to allow the image content producer to take ownership of the image buffer | |
reveman
2014/03/08 14:10:20
Comment should end with a period ".".
sohanjg
2014/03/08 14:20:15
Done.
| |
38 void ReleaseTexImage(); | |
39 | |
36 // Retrieve the 4x4 texture coordinate transform matrix associated with the | 40 // Retrieve the 4x4 texture coordinate transform matrix associated with the |
37 // texture image set by the most recent call to updateTexImage. | 41 // texture image set by the most recent call to updateTexImage. |
38 void GetTransformMatrix(float mtx[16]); | 42 void GetTransformMatrix(float mtx[16]); |
39 | 43 |
40 // Set the default size of the image buffers. | 44 // Set the default size of the image buffers. |
41 void SetDefaultBufferSize(int width, int height); | 45 void SetDefaultBufferSize(int width, int height); |
42 | 46 |
43 // Attach the SurfaceTexture to the texture currently bound to | 47 // Attach the SurfaceTexture to the texture currently bound to |
44 // GL_TEXTURE_EXTERNAL_OES. | 48 // GL_TEXTURE_EXTERNAL_OES. |
45 void AttachToGLContext(); | 49 void AttachToGLContext(); |
(...skipping 19 matching lines...) Expand all Loading... | |
65 | 69 |
66 // Java SurfaceTexture instance. | 70 // Java SurfaceTexture instance. |
67 base::android::ScopedJavaGlobalRef<jobject> j_surface_texture_; | 71 base::android::ScopedJavaGlobalRef<jobject> j_surface_texture_; |
68 | 72 |
69 DISALLOW_COPY_AND_ASSIGN(SurfaceTexture); | 73 DISALLOW_COPY_AND_ASSIGN(SurfaceTexture); |
70 }; | 74 }; |
71 | 75 |
72 } // namespace gfx | 76 } // namespace gfx |
73 | 77 |
74 #endif // UI_GL_ANDROID_SURFACE_TEXTURE_H_ | 78 #endif // UI_GL_ANDROID_SURFACE_TEXTURE_H_ |
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