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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 WebGLSharedWebGraphicsContext3D_h | 5 #ifndef WebGLSharedWebGraphicsContext3D_h |
6 #define WebGLSharedWebGraphicsContext3D_h | 6 #define WebGLSharedWebGraphicsContext3D_h |
7 | 7 |
8 #include "wtf/Forward.h" | 8 #include "wtf/Forward.h" |
9 #include "wtf/RefCounted.h" | 9 #include "wtf/RefCounted.h" |
10 #include "wtf/RefPtr.h" | 10 #include "wtf/RefPtr.h" |
11 | 11 |
12 namespace blink { | 12 namespace blink { |
13 | 13 |
14 class WebGraphicsContext3D; | 14 class WebGraphicsContext3D; |
15 class DrawingBuffer; | 15 class DrawingBuffer; |
16 | 16 |
17 #if ENABLE(OILPAN) | 17 #if ENABLE(OILPAN) |
18 // The attached WebGLContextObjects are finalized using the | 18 // The attached WebGLContextObjects are finalized using the |
19 // blink::WebGraphicsContext3D object of this object's DrawingBuffer. | 19 // WebGraphicsContext3D object of this object's DrawingBuffer. |
20 // Naturally the DrawingBuffer must then be kept alive until those | 20 // Naturally the DrawingBuffer must then be kept alive until those |
21 // finalizers have run. With Oilpan, accomplish that by having the | 21 // finalizers have run. With Oilpan, accomplish that by having the |
22 // WebGLContextObjects keep a RefPtr<> to an off-heap object that | 22 // WebGLContextObjects keep a RefPtr<> to an off-heap object that |
23 // safely handles the eventual release of the underlying | 23 // safely handles the eventual release of the underlying |
24 // DrawingBuffer. | 24 // DrawingBuffer. |
25 class WebGLSharedWebGraphicsContext3D final : public RefCounted<WebGLSharedWebGr
aphicsContext3D> { | 25 class WebGLSharedWebGraphicsContext3D final : public RefCounted<WebGLSharedWebGr
aphicsContext3D> { |
26 public: | 26 public: |
27 static PassRefPtr<WebGLSharedWebGraphicsContext3D> create(PassRefPtr<Drawing
Buffer>); | 27 static PassRefPtr<WebGLSharedWebGraphicsContext3D> create(PassRefPtr<Drawing
Buffer>); |
28 | 28 |
29 ~WebGLSharedWebGraphicsContext3D(); | 29 ~WebGLSharedWebGraphicsContext3D(); |
30 | 30 |
31 // Disposing and updating the underlying DrawingBuffer; | 31 // Disposing and updating the underlying DrawingBuffer; |
32 // needed when handling loss and restoration of graphics contexts. | 32 // needed when handling loss and restoration of graphics contexts. |
33 void dispose(); | 33 void dispose(); |
34 void update(PassRefPtr<DrawingBuffer>); | 34 void update(PassRefPtr<DrawingBuffer>); |
35 | 35 |
36 DrawingBuffer* drawingBuffer() const; | 36 DrawingBuffer* drawingBuffer() const; |
37 | 37 |
38 blink::WebGraphicsContext3D* webContext() const; | 38 WebGraphicsContext3D* webContext() const; |
39 private: | 39 private: |
40 explicit WebGLSharedWebGraphicsContext3D(PassRefPtr<DrawingBuffer>); | 40 explicit WebGLSharedWebGraphicsContext3D(PassRefPtr<DrawingBuffer>); |
41 | 41 |
42 RefPtr<DrawingBuffer> m_buffer; | 42 RefPtr<DrawingBuffer> m_buffer; |
43 }; | 43 }; |
44 #endif | 44 #endif |
45 | 45 |
46 } | 46 } // namespace blink |
47 | 47 |
48 #endif // WebGLSharedWebGraphicsContext3D_h | 48 #endif // WebGLSharedWebGraphicsContext3D_h |
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