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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_FACTORY_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_FACTORY_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_FACTORY_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_FACTORY_H_ |
7 | 7 |
8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
9 #include "ui/gfx/native_widget_types.h" | 9 #include "ui/gfx/native_widget_types.h" |
10 | 10 |
11 namespace content { | |
12 class GLHelper; | |
13 } | |
14 | |
15 namespace gfx { | 11 namespace gfx { |
16 class Size; | 12 class Size; |
17 } | 13 } |
18 | 14 |
19 namespace ui { | 15 namespace ui { |
20 class ContextFactory; | 16 class ContextFactory; |
21 class Texture; | 17 class Texture; |
22 } | 18 } |
23 | 19 |
24 namespace WebKit { | 20 namespace WebKit { |
25 class WebGraphicsContext3D; | 21 class WebGraphicsContext3D; |
26 } | 22 } |
27 | 23 |
| 24 namespace content { |
| 25 class GLHelper; |
| 26 |
28 // This class provides a way to get notified when surface handles get lost. | 27 // This class provides a way to get notified when surface handles get lost. |
29 class ImageTransportFactoryObserver { | 28 class ImageTransportFactoryObserver { |
30 public: | 29 public: |
31 virtual ~ImageTransportFactoryObserver() {} | 30 virtual ~ImageTransportFactoryObserver() {} |
32 | 31 |
33 // Notifies that the surface handles generated by ImageTransportFactory were | 32 // Notifies that the surface handles generated by ImageTransportFactory were |
34 // lost. | 33 // lost. |
35 // When this is called, the old resources (e.g. shared context, GL helper) | 34 // When this is called, the old resources (e.g. shared context, GL helper) |
36 // still exist, but are about to be destroyed. Getting a reference to those | 35 // still exist, but are about to be destroyed. Getting a reference to those |
37 // resources from the ImageTransportFactory (e.g. through GetGLHelper) will | 36 // resources from the ImageTransportFactory (e.g. through GetGLHelper) will |
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79 // Variant of CreateTransportClient() that deletes the texture on the GPU when | 78 // Variant of CreateTransportClient() that deletes the texture on the GPU when |
80 // the returned value is deleted. | 79 // the returned value is deleted. |
81 virtual scoped_refptr<ui::Texture> CreateOwnedTexture( | 80 virtual scoped_refptr<ui::Texture> CreateOwnedTexture( |
82 const gfx::Size& size, | 81 const gfx::Size& size, |
83 float device_scale_factor, | 82 float device_scale_factor, |
84 unsigned int texture_id) = 0; | 83 unsigned int texture_id) = 0; |
85 | 84 |
86 // Gets a GLHelper instance, associated with the shared context. This | 85 // Gets a GLHelper instance, associated with the shared context. This |
87 // GLHelper will get destroyed whenever the shared context is lost | 86 // GLHelper will get destroyed whenever the shared context is lost |
88 // (ImageTransportFactoryObserver::OnLostResources is called). | 87 // (ImageTransportFactoryObserver::OnLostResources is called). |
89 virtual content::GLHelper* GetGLHelper() = 0; | 88 virtual GLHelper* GetGLHelper() = 0; |
90 | 89 |
91 // Inserts a SyncPoint into the shared context. | 90 // Inserts a SyncPoint into the shared context. |
92 virtual uint32 InsertSyncPoint() = 0; | 91 virtual uint32 InsertSyncPoint() = 0; |
93 | 92 |
94 virtual void AddObserver(ImageTransportFactoryObserver* observer) = 0; | 93 virtual void AddObserver(ImageTransportFactoryObserver* observer) = 0; |
95 virtual void RemoveObserver(ImageTransportFactoryObserver* observer) = 0; | 94 virtual void RemoveObserver(ImageTransportFactoryObserver* observer) = 0; |
96 }; | 95 }; |
97 | 96 |
| 97 } // namespace content |
| 98 |
98 #endif // CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_FACTORY_H_ | 99 #endif // CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_FACTORY_H_ |
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