// 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_CONTEXT_WGL_H_
#define UI_GL_GL_CONTEXT_WGL_H_

#include <string>

#include "base/macros.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_export.h"

namespace gl {

class GLSurface;

// This class is a wrapper around a GL context.
class GL_EXPORT GLContextWGL : public GLContextReal {
 public:
  explicit GLContextWGL(GLShareGroup* share_group);

  // Implement GLContext.
  bool Initialize(GLSurface* compatible_surface,
                  GpuPreference gpu_preference) override;
  bool MakeCurrent(GLSurface* surface) override;
  void ReleaseCurrent(GLSurface* surface) override;
  bool IsCurrent(GLSurface* surface) override;
  void* GetHandle() override;
  void OnSetSwapInterval(int interval) override;
  std::string GetExtensions() override;

 private:
  ~GLContextWGL() override;
  void Destroy();

  HGLRC context_;

  DISALLOW_COPY_AND_ASSIGN(GLContextWGL);
};

}  // namespace gl

#endif  // UI_GL_GL_CONTEXT_WGL_H_