1 files changed, 103 insertions, 0 deletions
diff --git a/ui/gfx/gl/gl_surface_mac.cc b/ui/gfx/gl/gl_surface_mac.cc
new file mode 100644
index 0000000..2fe1f0e
--- /dev/null
+++ b/ui/gfx/gl/gl_surface_mac.cc
@@ -0,0 +1,103 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ui/gfx/gl/gl_surface.h"
+
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "third_party/mesa/MesaLib/include/GL/osmesa.h"
+#include "ui/gfx/gl/gl_bindings.h"
+#include "ui/gfx/gl/gl_implementation.h"
+#include "ui/gfx/gl/gl_surface_cgl.h"
+#include "ui/gfx/gl/gl_surface_osmesa.h"
+#include "ui/gfx/gl/gl_surface_stub.h"
+
+namespace gfx {
+
+bool GLSurface::InitializeOneOff() {
+  static bool initialized = false;
+  if (initialized)
+    return true;
+
+  static const GLImplementation kAllowedGLImplementations[] = {
+    kGLImplementationDesktopGL,
+    kGLImplementationOSMesaGL
+  };
+
+  if (!InitializeRequestedGLBindings(
+           kAllowedGLImplementations,
+           kAllowedGLImplementations + arraysize(kAllowedGLImplementations),
+           kGLImplementationDesktopGL)) {
+    LOG(ERROR) << "InitializeRequestedGLBindings failed.";
+    return false;
+  }
+
+  switch (GetGLImplementation()) {
+    case kGLImplementationDesktopGL:
+      if (!GLSurfaceCGL::InitializeOneOff()) {
+        LOG(ERROR) << "GLSurfaceCGL::InitializeOneOff failed.";
+        return false;
+      }
+      break;
+    default:
+      break;
+  }
+
+  initialized = true;
+  return true;
+}
+
+// TODO(apatrick): support ViewGLSurface on mac.
+#if 0
+GLSurface* GLSurface::CreateViewGLSurface(gfx::PluginWindowHandle window) {
+  switch (GetGLImplementation()) {
+    case kGLImplementationOSMesaGL: {
+      scoped_ptr<NativeViewGLSurfaceOSMesa> surface(
+          new NativeViewGLSurfaceOSMesa(window));
+      if (!surface->Initialize())
+        return NULL;
+
+      return surface.release();
+    }
+    case kGLImplementationDesktopGL: {
+      scoped_ptr<NativeViewGLSurfaceCGL> surface(new NativeViewGLSurfaceCGL(
+          window));
+      if (!surface->Initialize())
+        return NULL;
+
+      return surface.release();
+    }
+    case kGLImplementationMockGL:
+      return new GLSurfaceStub;
+    default:
+      NOTREACHED();
+      return NULL;
+  }
+}
+#endif
+
+GLSurface* GLSurface::CreateOffscreenGLSurface(const gfx::Size& size) {
+  switch (GetGLImplementation()) {
+    case kGLImplementationOSMesaGL: {
+      scoped_ptr<GLSurfaceOSMesa> surface(new GLSurfaceOSMesa());
+      surface->Resize(size);
+
+      return surface.release();
+    }
+    case kGLImplementationDesktopGL: {
+      scoped_ptr<PbufferGLSurfaceCGL> surface(new PbufferGLSurfaceCGL(size));
+      if (!surface->Initialize())
+        return NULL;
+
+      return surface.release();
+    }
+    case kGLImplementationMockGL:
+      return new GLSurfaceStub;
+    default:
+      NOTREACHED();
+      return NULL;
+  }
+}
+
+}  // namespace gfx