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
  17 namespace gfx {
  18
  19 bool GLSurface::InitializeOneOffInternal() {
  20   switch (GetGLImplementation()) {
  21     case kGLImplementationDesktopGL:
  22     case kGLImplementationAppleGL:
  23       if (!GLSurfaceCGL::InitializeOneOff()) {
  24         LOG(ERROR) << "GLSurfaceCGL::InitializeOneOff failed.";
  25         return false;
  26       }
  27       break;
  28     default:
  29       break;
  30   }
  31   return true;
  32 }
  33
  34 scoped_refptr<GLSurface> GLSurface::CreateViewGLSurface(
  35     gfx::AcceleratedWidget window) {
  36   TRACE_EVENT0("gpu", "GLSurface::CreateViewGLSurface");
  37   switch (GetGLImplementation()) {
  38     case kGLImplementationDesktopGL:
  39     case kGLImplementationAppleGL: {
  40       NOTIMPLEMENTED() << "No onscreen support on Mac.";
  41       return NULL;
  42     }
  43     case kGLImplementationMockGL:
  44       return new GLSurfaceStub;
  45     default:
  46       NOTREACHED();
  47       return NULL;
  48   }
  49 }
  50
  51 scoped_refptr<GLSurface> GLSurface::CreateOffscreenGLSurface(
  52     const gfx::Size& size) {
  53   TRACE_EVENT0("gpu", "GLSurface::CreateOffscreenGLSurface");
  54   switch (GetGLImplementation()) {
  55     case kGLImplementationOSMesaGL: {
  56       scoped_refptr<GLSurface> surface(new GLSurfaceOSMesa(OSMESA_RGBA,
  57                                                            size));
  58       if (!surface->Initialize())
  59         return NULL;
  60
  61       return surface;
  62     }
  63     case kGLImplementationDesktopGL:
  64     case kGLImplementationAppleGL: {
  65       scoped_refptr<GLSurface> surface(new NoOpGLSurfaceCGL(size));
  66       if (!surface->Initialize())
  67         return NULL;
  68
  69       return surface;
  70     }
  71     case kGLImplementationMockGL:
  72       return new GLSurfaceStub;
  73     default:
  74       NOTREACHED();
  75       return NULL;
  76   }
  77 }
  78
  79 }  // namespace gfx