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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 #include "ui/gl/gl_surface.h" | 5 #include "ui/gl/gl_surface.h" |
6 | 6 |
7 #include "base/logging.h" | |
8 #include "base/memory/ref_counted.h" | |
9 #include "third_party/khronos/EGL/egl.h" | 7 #include "third_party/khronos/EGL/egl.h" |
10 #include "ui/gfx/native_widget_types.h" | |
11 #include "ui/gl/gl_implementation.h" | |
12 #include "ui/gl/gl_surface_egl.h" | 8 #include "ui/gl/gl_surface_egl.h" |
13 #include "ui/gl/gl_surface_osmesa.h" | |
14 #include "ui/gl/gl_surface_stub.h" | |
15 | 9 |
16 namespace gl { | 10 namespace gl { |
17 | 11 |
18 // static | |
19 scoped_refptr<GLSurface> GLSurface::CreateViewGLSurface( | |
20 gfx::AcceleratedWidget window) { | |
21 CHECK_NE(kGLImplementationNone, GetGLImplementation()); | |
22 if (GetGLImplementation() == kGLImplementationOSMesaGL) { | |
23 scoped_refptr<GLSurface> surface(new GLSurfaceOSMesaHeadless()); | |
24 if (!surface->Initialize()) | |
25 return NULL; | |
26 return surface; | |
27 } | |
28 DCHECK(GetGLImplementation() == kGLImplementationEGLGLES2); | |
29 if (window != gfx::kNullAcceleratedWidget) { | |
30 scoped_refptr<GLSurface> surface = new NativeViewGLSurfaceEGL(window); | |
31 if (surface->Initialize()) | |
32 return surface; | |
33 } else { | |
34 scoped_refptr<GLSurface> surface = new GLSurfaceStub(); | |
35 if (surface->Initialize()) | |
36 return surface; | |
37 } | |
38 return NULL; | |
39 } | |
40 | |
41 // static | |
42 scoped_refptr<GLSurface> GLSurface::CreateOffscreenGLSurface( | |
43 const gfx::Size& size) { | |
44 CHECK_NE(kGLImplementationNone, GetGLImplementation()); | |
45 switch (GetGLImplementation()) { | |
46 case kGLImplementationOSMesaGL: { | |
47 scoped_refptr<GLSurface> surface( | |
48 new GLSurfaceOSMesa(SURFACE_OSMESA_BGRA, size)); | |
49 if (!surface->Initialize()) | |
50 return NULL; | |
51 | |
52 return surface; | |
53 } | |
54 case kGLImplementationEGLGLES2: { | |
55 scoped_refptr<GLSurface> surface; | |
56 if (GLSurfaceEGL::IsEGLSurfacelessContextSupported() && | |
57 (size.width() == 0 && size.height() == 0)) { | |
58 surface = new SurfacelessEGL(size); | |
59 } else { | |
60 surface = new PbufferGLSurfaceEGL(size); | |
61 } | |
62 | |
63 if (!surface->Initialize()) | |
64 return NULL; | |
65 return surface; | |
66 } | |
67 case kGLImplementationMockGL: | |
68 return new GLSurfaceStub; | |
69 default: | |
70 NOTREACHED(); | |
71 return NULL; | |
72 } | |
73 } | |
74 | |
75 EGLNativeDisplayType GetPlatformDefaultEGLNativeDisplay() { | 12 EGLNativeDisplayType GetPlatformDefaultEGLNativeDisplay() { |
76 return EGL_DEFAULT_DISPLAY; | 13 return EGL_DEFAULT_DISPLAY; |
77 } | 14 } |
78 | 15 |
79 } // namespace gl | 16 } // namespace gl |
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