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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include <memory> | |
6 | |
7 #include "base/logging.h" | |
8 #include "base/trace_event/trace_event.h" | |
9 #include "ui/gl/gl_context_cgl.h" | |
10 #include "ui/gl/gl_context_osmesa.h" | |
11 #include "ui/gl/gl_context_stub.h" | |
12 #include "ui/gl/gl_implementation.h" | |
13 #include "ui/gl/gl_surface.h" | |
14 #include "ui/gl/gl_switches.h" | |
15 | |
16 namespace gl { | |
17 | |
18 class GLShareGroup; | |
19 | |
20 scoped_refptr<GLContext> GLContext::CreateGLContext( | |
21 GLShareGroup* share_group, | |
22 GLSurface* compatible_surface, | |
23 GpuPreference gpu_preference) { | |
24 TRACE_EVENT0("gpu", "GLContext::CreateGLContext"); | |
25 switch (GetGLImplementation()) { | |
26 case kGLImplementationDesktopGL: | |
27 case kGLImplementationDesktopGLCoreProfile: | |
28 case kGLImplementationAppleGL: { | |
29 scoped_refptr<GLContext> context; | |
30 // Note that with virtualization we might still be able to make current | |
31 // a different onscreen surface with this context later. But we should | |
32 // always be creating the context with an offscreen surface first. | |
33 DCHECK(compatible_surface->IsOffscreen()); | |
34 context = new GLContextCGL(share_group); | |
35 if (!context->Initialize(compatible_surface, gpu_preference)) | |
36 return NULL; | |
37 | |
38 return context; | |
39 } | |
40 case kGLImplementationOSMesaGL: { | |
41 scoped_refptr<GLContext> context(new GLContextOSMesa(share_group)); | |
42 if (!context->Initialize(compatible_surface, gpu_preference)) | |
43 return NULL; | |
44 | |
45 return context; | |
46 } | |
47 case kGLImplementationMockGL: | |
48 return new GLContextStub(share_group); | |
49 default: | |
50 NOTREACHED(); | |
51 return NULL; | |
52 } | |
53 } | |
54 | |
55 } // namespace gl | |
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