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Side by Side Diff: ui/base/ozone/surface_factory_ozone.h

Issue 13886018: Add a factory and defines for native Linux surfaces. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: nits Created 7 years, 7 months ago
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1 // Copyright (c) 2013 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_BASE_OZONE_SURFACE_LNUX_FACTORY_OZONE_H_
6 #define UI_BASE_OZONE_SURFACE_LNUX_FACTORY_OZONE_H_
7
8 #include "ui/gfx/native_widget_types.h"
9
10 namespace gfx {
11 class VSyncProvider;
12 } // namespace gfx
13
14 namespace ui {
15
16 class SurfaceFactoryOzone {
17 public:
18 SurfaceFactoryOzone();
19 virtual ~SurfaceFactoryOzone();
20
21 // Returns the instance
22 static SurfaceFactoryOzone* GetInstance();
23
24 // Returns a display spec as in |CreateDisplayFromSpec| for the default
25 // native surface.
26 virtual const char* DefaultDisplaySpec();
27
28 // Sets the implementation delegate.
29 static void SetInstance(SurfaceFactoryOzone* impl);
30
31 // TODO(rjkroege): Add a status code if necessary.
32 // Configures the display hardware. Must be called from within the GPU
33 // process before the sandbox has been activated.
34 virtual void InitializeHardware() = 0;
35
36 // Cleans up display hardware state. Call this from within the GPU process.
37 // This method must be safe to run inside of the sandbox.
38 virtual void ShutdownHardware() = 0;
39
40 // Obtains an AcceleratedWidget backed by a native Linux framebuffer.
41 // The returned AcceleratedWidget is an opaque token that must realized
42 // before it can be used to create a GL surface.
43 virtual gfx::AcceleratedWidget GetAcceleratedWidget() = 0;
44
45 // Realizes an AcceleratedWidget so that the returned AcceleratedWidget
46 // can be used to to create a GLSurface. This method may only be called in
47 // a process that has a valid GL context.
48 virtual gfx::AcceleratedWidget RealizeAcceleratedWidget(
49 gfx::AcceleratedWidget w) = 0;
50
51 // Sets up GL bindings for the native surface.
52 virtual bool LoadEGLGLES2Bindings() = 0;
53
54 // Tests if the given AcceleratedWidget instance can be resized. (Native
55 // hardware may only support a single fixed size.)
56 // Perhaps, this should be "attempt to resize the accelerated widget"?
57 virtual bool AcceleratedWidgetCanBeResized(gfx::AcceleratedWidget w) = 0;
58
59 // Returns a gfx::VsyncProvider for the provided AcceleratedWidget. Note
60 // that this may be called after we have entered the sandbox so if there are
61 // operations (e.g. opening a file descriptor providing vsync events) that
62 // must be done outside of the sandbox, they must have been completed
63 // in InitializeHardware. Returns NULL on error.
64 virtual gfx::VSyncProvider* GetVSyncProvider(gfx::AcceleratedWidget w) = 0;
65 };
66
67 } // namespace ui
68
69
70 #endif // UI_BASE_OZONE_SURFACE_LNUX_FACTORY_OZONE_H_
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