ui/gl/gl_context_mac.mm

   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/MesaLib/include/GL/osmesa.h"
  10 #include "ui/gl/gl_context_cgl.h"
  11 #include "ui/gl/gl_context_osmesa.h"
  12 #include "ui/gl/gl_context_stub.h"
  13 #include "ui/gl/gl_implementation.h"
  14 #include "ui/gl/gl_surface.h"
  15 #include "ui/gl/gl_switches.h"
  16
  17 #if defined(USE_AURA)
  18 #include "ui/gl/gl_context_nsview.h"
  19 #endif
  20
  21 namespace gfx {
  22
  23 class GLShareGroup;
  24
  25 scoped_refptr<GLContext> GLContext::CreateGLContext(
  26     GLShareGroup* share_group,
  27     GLSurface* compatible_surface,
  28     GpuPreference gpu_preference) {
  29   TRACE_EVENT0("gpu", "GLContext::CreateGLContext");
  30   switch (GetGLImplementation()) {
  31     case kGLImplementationDesktopGL:
  32     case kGLImplementationAppleGL: {
  33       scoped_refptr<GLContext> context;
  34 #if defined(USE_AURA)
  35       if (compatible_surface->IsOffscreen())
  36         context = new GLContextCGL(share_group);
  37       else
  38         context = new GLContextNSView(share_group);
  39 #else
  40       context = new GLContextCGL(share_group);
  41 #endif // USE_AURA
  42       if (!context->Initialize(compatible_surface, gpu_preference))
  43         return NULL;
  44
  45       return context;
  46     }
  47     case kGLImplementationOSMesaGL: {
  48       scoped_refptr<GLContext> context(new GLContextOSMesa(share_group));
  49       if (!context->Initialize(compatible_surface, gpu_preference))
  50         return NULL;
  51
  52       return context;
  53     }
  54     case kGLImplementationMockGL:
  55       return new GLContextStub;
  56     default:
  57       NOTREACHED();
  58       return NULL;
  59   }
  60 }
  61
  62 }  // namespace gfx