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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef UI_GFX_OZONE_SURFACE_OZONE_EGL_H_ | |
6 #define UI_GFX_OZONE_SURFACE_OZONE_EGL_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "ui/gfx/gfx_export.h" | |
11 | |
12 namespace gfx { | |
13 | |
14 class Size; | |
15 class VSyncProvider; | |
16 | |
17 // The platform-specific part of an EGL surface. | |
18 // | |
19 // This class owns any bits that the ozone implementation needs freed when | |
20 // the EGL surface is destroyed. | |
21 class GFX_EXPORT SurfaceOzoneEGL { | |
22 public: | |
23 virtual ~SurfaceOzoneEGL() {} | |
24 | |
25 // Returns the EGL native window for rendering onto this surface. | |
26 // This can be used to to create a GLSurface. | |
27 virtual intptr_t /* EGLNativeWindowType */ GetNativeWindow() = 0; | |
28 | |
29 // Attempts to resize the EGL native window to match the viewport | |
30 // size. | |
31 virtual bool ResizeNativeWindow(const gfx::Size& viewport_size) = 0; | |
32 | |
33 // Called after we swap buffers. This is usually a no-op but can | |
34 // be used to present the new front buffer if the platform requires this. | |
35 virtual bool OnSwapBuffers() = 0; | |
36 | |
37 // Returns a gfx::VsyncProvider for this surface. Note that this may be | |
38 // called after we have entered the sandbox so if there are operations (e.g. | |
39 // opening a file descriptor providing vsync events) that must be done | |
40 // outside of the sandbox, they must have been completed in | |
41 // InitializeHardware. Returns an empty scoped_ptr on error. | |
42 virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() = 0; | |
43 }; | |
44 | |
45 } // namespace gfx | |
46 | |
47 #endif // UI_GFX_OZONE_SURFACE_OZONE_EGL_H_ | |
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