• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 "base/basictypes.h"
6#include "base/debug/trace_event.h"
7#include "base/logging.h"
8#include "base/memory/scoped_ptr.h"
9#include "third_party/mesa/src/include/GL/osmesa.h"
10#include "ui/gl/gl_context_cgl.h"
11#include "ui/gl/gl_context_nsview.h"
12#include "ui/gl/gl_context_osmesa.h"
13#include "ui/gl/gl_context_stub.h"
14#include "ui/gl/gl_implementation.h"
15#include "ui/gl/gl_surface.h"
16#include "ui/gl/gl_switches.h"
17
18namespace gfx {
19
20class GLShareGroup;
21
22scoped_refptr<GLContext> GLContext::CreateGLContext(
23    GLShareGroup* share_group,
24    GLSurface* compatible_surface,
25    GpuPreference gpu_preference) {
26  TRACE_EVENT0("gpu", "GLContext::CreateGLContext");
27  switch (GetGLImplementation()) {
28    case kGLImplementationDesktopGL:
29    case kGLImplementationAppleGL: {
30      scoped_refptr<GLContext> context;
31      if (compatible_surface->IsOffscreen())
32        context = new GLContextCGL(share_group);
33      else
34        context = new GLContextNSView(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;
49    default:
50      NOTREACHED();
51      return NULL;
52  }
53}
54
55}  // namespace gfx
56