Supervised user whitelists: Cleanup
[chromium-blink-merge.git] / ui / gl / gl_context_mac.mm
blobb20cee28de35cc66ad5c587d4b2a33bd6454ee74
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.
5 #include "base/basictypes.h"
6 #include "base/logging.h"
7 #include "base/memory/scoped_ptr.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"
16 namespace gfx {
18 class GLShareGroup;
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;
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;
45       return context;
46     }
47     case kGLImplementationMockGL:
48       return new GLContextStub;
49     default:
50       NOTREACHED();
51       return NULL;
52   }
55 }  // namespace gfx