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#include <QtGui/qpaintdevice.h>

#include <QtGui/qpixmap.h>

#include <QtGui/qwidget.h>

#include "qegl_p.h"

#include <coecntrl.h>

QT_BEGIN_NAMESPACE

EGLSurface QEglContext::createSurface(QPaintDevice *device, const QEglProperties *properties)

{

    // Create the native drawable for the paint device.

    int devType = device->devType();

    EGLNativePixmapType pixmapDrawable = 0;

    EGLNativeWindowType windowDrawable = 0;

    bool ok;

    if (devType == QInternal::Pixmap) {

        pixmapDrawable = 0;

        ok = (pixmapDrawable != 0);

    } else if (devType == QInternal::Widget) {

        QWidget *w = static_cast<QWidget *>(device);

        windowDrawable = (EGLNativeWindowType)(w->winId()->DrawableWindow());

        ok = (windowDrawable != 0);

    } else {

        ok = false;

    }

    if (!ok) {

        qWarning("QEglContext::createSurface(): Cannot create the native EGL drawable");

        return EGL_NO_SURFACE;

    }

    // Create the EGL surface to draw into, based on the native drawable.

    const int *props;

    if (properties)

        props = properties->properties();

    else

        props = 0;

    EGLSurface surf;

    if (devType == QInternal::Widget)

        surf = eglCreateWindowSurface(dpy, cfg, windowDrawable, props);

    else

        surf = eglCreatePixmapSurface(dpy, cfg, pixmapDrawable, props);

    if (surf == EGL_NO_SURFACE)

        qWarning("QEglContext::createSurface(): Unable to create EGL surface, error = 0x%x", eglGetError());

    return surf;

}

// Set pixel format and other properties based on a paint device.

void QEglProperties::setPaintDeviceFormat(QPaintDevice *dev)

{

    if(!dev)

        return;

    int devType = dev->devType();

    if (devType == QInternal::Image)

        setPixelFormat(static_cast<QImage *>(dev)->format());

    else

        setPixelFormat(QImage::Format_ARGB32);

}

QT_END_NAMESPACE