//
// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// WindowSurfaceGLX.h: GLX implementation of egl::Surface for windows

#ifndef LIBANGLE_RENDERER_GL_GLX_WINDOWSURFACEGLX_H_
#define LIBANGLE_RENDERER_GL_GLX_WINDOWSURFACEGLX_H_

#include "libANGLE/renderer/gl/SurfaceGL.h"
#include "libANGLE/renderer/gl/glx/platform_glx.h"

namespace rx
{

class DisplayGLX;
class FunctionsGLX;

class WindowSurfaceGLX : public SurfaceGL
{
  public:
    WindowSurfaceGLX(const FunctionsGLX &glx, const DisplayGLX &glxDisplay, Window window, Display *display,
                     glx::Context context, glx::FBConfig fbConfig);
    ~WindowSurfaceGLX() override;

    egl::Error initialize() override;
    egl::Error makeCurrent() override;

    egl::Error swap() override;
    egl::Error postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height) override;
    egl::Error querySurfacePointerANGLE(EGLint attribute, void **value) override;
    egl::Error bindTexImage(EGLint buffer) override;
    egl::Error releaseTexImage(EGLint buffer) override;
    void setSwapInterval(EGLint interval) override;

    EGLint getWidth() const override;
    EGLint getHeight() const override;

    EGLint isPostSubBufferSupported() const override;
  private:
    bool getWindowDimensions(Window window, unsigned int *width, unsigned int *height) const;

    Window mParent;
    unsigned int mParentWidth, mParentHeight;
    Window mWindow;
    Display *mDisplay;

    const FunctionsGLX &mGLX;
    const DisplayGLX &mGLXDisplay;

    glx::Context mContext;
    glx::FBConfig mFBConfig;
    glx::Window mGLXWindow;
    unsigned int mMaxSwapInterval;
};

}

#endif // LIBANGLE_RENDERER_GL_GLX_WINDOWSURFACEGLX_H_
