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#include "qxcbeglwindow.h"

#include "qxcbeglintegration.h"

#include <QtPlatformSupport/private/qeglconvenience_p.h>
#include <QtPlatformSupport/private/qxlibeglintegration_p.h>

QT_BEGIN_NAMESPACE

QXcbEglWindow::QXcbEglWindow(QWindow *window, QXcbEglIntegration *glIntegration)
    : QXcbWindow(window)
    , m_glIntegration(glIntegration)
    , m_config(Q_NULLPTR)
    , m_surface(EGL_NO_SURFACE)
{
}

QXcbEglWindow::~QXcbEglWindow()
{
    eglDestroySurface(m_glIntegration->eglDisplay(), m_surface);
}

void QXcbEglWindow::resolveFormat()
{
    m_config = q_configFromGLFormat(m_glIntegration->eglDisplay(), window()->requestedFormat(), true);
    m_format = q_glFormatFromConfig(m_glIntegration->eglDisplay(), m_config, m_format);
}

void *QXcbEglWindow::createVisual()
{
#ifdef XCB_USE_XLIB
    Display *xdpy = static_cast<Display *>(m_glIntegration->xlib_display());
    VisualID id = QXlibEglIntegration::getCompatibleVisualId(xdpy, m_glIntegration->eglDisplay(), m_config);

    XVisualInfo visualInfoTemplate;
    memset(&visualInfoTemplate, 0, sizeof(XVisualInfo));
    visualInfoTemplate.visualid = id;

    XVisualInfo *visualInfo;
    int matchingCount = 0;
    visualInfo = XGetVisualInfo(xdpy, VisualIDMask, &visualInfoTemplate, &matchingCount);
    return visualInfo;
#else
    return QXcbWindow::createVisual();
#endif
}

void QXcbEglWindow::create()
{
    QXcbWindow::create();

    m_surface = eglCreateWindowSurface(m_glIntegration->eglDisplay(), m_config, m_window, 0);
}

QT_END_NAMESPACE