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// Copyright (c) 2012 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.
#ifndef UI_GL_GL_SURFACE_CGL_H_
#define UI_GL_GL_SURFACE_CGL_H_
#include "ui/gfx/size.h"
#include "ui/gl/gl_surface.h"
namespace gfx {
// Base class for CGL surfaces.
class GLSurfaceCGL : public GLSurface {
public:
GLSurfaceCGL();
static bool InitializeOneOff();
static void* GetPixelFormat();
protected:
virtual ~GLSurfaceCGL();
private:
DISALLOW_COPY_AND_ASSIGN(GLSurfaceCGL);
};
// A "no-op" surface. It is not required that a CGLContextObj have an
// associated drawable (pbuffer or fullscreen context) in order to be
// made current. Everywhere this surface type is used, we allocate an
// FBO at the user level as the drawable of the associated context.
class GL_EXPORT NoOpGLSurfaceCGL : public GLSurfaceCGL {
public:
explicit NoOpGLSurfaceCGL(const gfx::Size& size);
// Implement GLSurface.
virtual bool Initialize() OVERRIDE;
virtual void Destroy() OVERRIDE;
virtual bool IsOffscreen() OVERRIDE;
virtual bool SwapBuffers() OVERRIDE;
virtual gfx::Size GetSize() OVERRIDE;
virtual void* GetHandle() OVERRIDE;
virtual void* GetDisplay() OVERRIDE;
protected:
virtual ~NoOpGLSurfaceCGL();
private:
gfx::Size size_;
DISALLOW_COPY_AND_ASSIGN(NoOpGLSurfaceCGL);
};
} // namespace gfx
#endif // UI_GL_GL_SURFACE_CGL_H_
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