// Copyright 2014 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#include "Common/GL/GLInterface/EGLX11.h"

GLContextEGLX11::~GLContextEGLX11()
{
  // The context must be destroyed before the window.
  DestroyWindowSurface();
  DestroyContext();
  m_render_window.reset();
}

void GLContextEGLX11::Update()
{
  m_render_window->UpdateDimensions();
  m_backbuffer_width = m_render_window->GetWidth();
  m_backbuffer_height = m_render_window->GetHeight();
}

EGLDisplay GLContextEGLX11::OpenEGLDisplay()
{
  return eglGetDisplay(static_cast<Display*>(m_host_display));
}

EGLNativeWindowType GLContextEGLX11::GetEGLNativeWindow(EGLConfig config)
{
  EGLint vid;
  eglGetConfigAttrib(m_egl_display, config, EGL_NATIVE_VISUAL_ID, &vid);

  XVisualInfo visTemplate = {};
  visTemplate.visualid = vid;

  int nVisuals;
  XVisualInfo* vi =
      XGetVisualInfo(static_cast<Display*>(m_host_display), VisualIDMask, &visTemplate, &nVisuals);

  if (m_render_window)
    m_render_window.reset();

  m_render_window = GLX11Window::Create(static_cast<Display*>(m_host_display),
                                        reinterpret_cast<Window>(m_host_window), vi);
  m_backbuffer_width = m_render_window->GetWidth();
  m_backbuffer_height = m_render_window->GetHeight();

  XFree(vi);

  return reinterpret_cast<EGLNativeWindowType>(m_render_window->GetWindow());
}