ui/gl/gl_context_win.cc

   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 "ui/gl/gl_context.h"
   6
   7 #include "base/logging.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/trace_event/trace_event.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_context_wgl.h"
  15 #include "ui/gl/gl_implementation.h"
  16 #include "ui/gl/gl_surface_egl.h"
  17 #include "ui/gl/gl_surface_osmesa.h"
  18 #include "ui/gl/gl_surface_stub.h"
  19 #include "ui/gl/gl_surface_wgl.h"
  20
  21 namespace gfx {
  22
  23 scoped_refptr<GLContext> GLContext::CreateGLContext(
  24     GLShareGroup* share_group,
  25     GLSurface* compatible_surface,
  26     GpuPreference gpu_preference) {
  27   TRACE_EVENT0("gpu", "GLContext::CreateGLContext");
  28   switch (GetGLImplementation()) {
  29     case kGLImplementationOSMesaGL: {
  30       scoped_refptr<GLContext> context(new GLContextOSMesa(share_group));
  31       if (!context->Initialize(compatible_surface, gpu_preference))
  32         return nullptr;
  33
  34       return context;
  35     }
  36     case kGLImplementationEGLGLES2: {
  37       scoped_refptr<GLContext> context(new GLContextEGL(share_group));
  38       if (!context->Initialize(compatible_surface, gpu_preference))
  39         return nullptr;
  40
  41       return context;
  42     }
  43     case kGLImplementationDesktopGL: {
  44       scoped_refptr<GLContext> context(new GLContextWGL(share_group));
  45       if (!context->Initialize(compatible_surface, gpu_preference))
  46         return nullptr;
  47
  48       return context;
  49     }
  50     case kGLImplementationMockGL:
  51       return new GLContextStub;
  52     default:
  53       NOTREACHED();
  54       return nullptr;
  55   }
  56 }
  57
  58 }  // namespace gfx