ui/gl/gl_surface_mac.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_surface.h"
   6
   7 #include "base/debug/trace_event.h"
   8 #include "base/logging.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "third_party/mesa/src/include/GL/osmesa.h"
  11 #include "ui/gl/gl_bindings.h"
  12 #include "ui/gl/gl_implementation.h"
  13 #include "ui/gl/gl_surface_cgl.h"
  14 #include "ui/gl/gl_surface_osmesa.h"
  15 #include "ui/gl/gl_surface_stub.h"
  16 #include "ui/gl/gl_surface_nsview.h"
  17
  18 namespace gfx {
  19
  20 bool GLSurface::InitializeOneOffInternal() {
  21   switch (GetGLImplementation()) {
  22     case kGLImplementationDesktopGL:
  23     case kGLImplementationAppleGL:
  24       if (!GLSurfaceCGL::InitializeOneOff()) {
  25         LOG(ERROR) << "GLSurfaceCGL::InitializeOneOff failed.";
  26         return false;
  27       }
  28       break;
  29     default:
  30       break;
  31   }
  32   return true;
  33 }
  34
  35 scoped_refptr<GLSurface> GLSurface::CreateViewGLSurface(
  36     gfx::AcceleratedWidget window) {
  37   TRACE_EVENT0("gpu", "GLSurface::CreateViewGLSurface");
  38   switch (GetGLImplementation()) {
  39     case kGLImplementationDesktopGL:
  40     case kGLImplementationAppleGL: {
  41       scoped_refptr<GLSurface> surface(new GLSurfaceNSView(window));
  42       if (!surface->Initialize())
  43         return NULL;
  44
  45       return surface;
  46     }
  47     case kGLImplementationMockGL:
  48       return new GLSurfaceStub;
  49     default:
  50       NOTREACHED();
  51       return NULL;
  52   }
  53 }
  54
  55 scoped_refptr<GLSurface> GLSurface::CreateOffscreenGLSurface(
  56     const gfx::Size& size) {
  57   TRACE_EVENT0("gpu", "GLSurface::CreateOffscreenGLSurface");
  58   switch (GetGLImplementation()) {
  59     case kGLImplementationOSMesaGL: {
  60       scoped_refptr<GLSurface> surface(new GLSurfaceOSMesa(OSMESA_RGBA,
  61                                                            size));
  62       if (!surface->Initialize())
  63         return NULL;
  64
  65       return surface;
  66     }
  67     case kGLImplementationDesktopGL:
  68     case kGLImplementationAppleGL: {
  69       scoped_refptr<GLSurface> surface(new NoOpGLSurfaceCGL(size));
  70       if (!surface->Initialize())
  71         return NULL;
  72
  73       return surface;
  74     }
  75     case kGLImplementationMockGL:
  76       return new GLSurfaceStub;
  77     default:
  78       NOTREACHED();
  79       return NULL;
  80   }
  81 }
  82
  83 }  // namespace gfx