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#include "ui/gl/gl_context.h"
6
7#include "base/logging.h"
8#include "base/memory/ref_counted.h"
9#include "base/sys_info.h"
10#include "ui/gl/gl_bindings.h"
11#include "ui/gl/gl_context_egl.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
17namespace gfx {
18
19// static
20scoped_refptr<GLContext> GLContext::CreateGLContext(
21    GLShareGroup* share_group,
22    GLSurface* compatible_surface,
23    GpuPreference gpu_preference) {
24
25  switch (GetGLImplementation()) {
26    case kGLImplementationMockGL:
27      return scoped_refptr<GLContext>(new GLContextStub());
28    case kGLImplementationOSMesaGL: {
29      scoped_refptr<GLContext> context(new GLContextOSMesa(share_group));
30      if (!context->Initialize(compatible_surface, gpu_preference))
31        return NULL;
32      return context;
33    }
34    case kGLImplementationEGLGLES2: {
35      scoped_refptr<GLContext> context(new GLContextEGL(share_group));
36      if (!context->Initialize(compatible_surface, gpu_preference))
37        return NULL;
38      return context;
39    }
40    default:
41      NOTREACHED();
42      return NULL;
43  }
44}
45
46}  // namespace gfx
47
48