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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_WGL_H_
#define UI_GL_GL_SURFACE_WGL_H_
#pragma once
#include "ui/gfx/native_widget_types.h"
#include "ui/gl/gl_surface.h"
namespace gfx {
// Base interface for WGL surfaces.
class GLSurfaceWGL : public GLSurface {
public:
GLSurfaceWGL();
virtual ~GLSurfaceWGL();
// Implement GLSurface.
virtual void* GetDisplay();
static bool InitializeOneOff();
static HDC GetDisplayDC();
private:
DISALLOW_COPY_AND_ASSIGN(GLSurfaceWGL);
};
// A surface used to render to a view.
class NativeViewGLSurfaceWGL : public GLSurfaceWGL {
public:
explicit NativeViewGLSurfaceWGL(gfx::AcceleratedWidget window);
virtual ~NativeViewGLSurfaceWGL();
// Implement GLSurface.
virtual bool Initialize();
virtual void Destroy();
virtual bool IsOffscreen();
virtual bool SwapBuffers();
virtual gfx::Size GetSize();
virtual void* GetHandle();
private:
gfx::AcceleratedWidget window_;
gfx::AcceleratedWidget child_window_;
HDC device_context_;
DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceWGL);
};
// A surface used to render to an offscreen pbuffer.
class PbufferGLSurfaceWGL : public GLSurfaceWGL {
public:
explicit PbufferGLSurfaceWGL(const gfx::Size& size);
virtual ~PbufferGLSurfaceWGL();
// Implement GLSurface.
virtual bool Initialize();
virtual void Destroy();
virtual bool IsOffscreen();
virtual bool SwapBuffers();
virtual gfx::Size GetSize();
virtual void* GetHandle();
private:
gfx::Size size_;
HDC device_context_;
void* pbuffer_;
DISALLOW_COPY_AND_ASSIGN(PbufferGLSurfaceWGL);
};
} // namespace gfx
#endif // UI_GL_GL_SURFACE_WGL_H_
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