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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include "qwaylandxcompositeeglwindow.h"
#include "qwaylandxcompositebuffer.h"
#include <QtEglSupport/private/qeglconvenience_p.h>
#include <QtEglSupport/private/qxlibeglintegration_p.h>
#include "wayland-xcomposite-client-protocol.h"
#include <X11/extensions/Xcomposite.h>
#include "qwaylandxcompositeeglclientbufferintegration.h"
#include <QtCore/QDebug>
QT_BEGIN_NAMESPACE
namespace QtWaylandClient {
QWaylandXCompositeEGLWindow::QWaylandXCompositeEGLWindow(QWindow *window, QWaylandXCompositeEGLClientBufferIntegration *glxIntegration)
: QWaylandWindow(window, glxIntegration->waylandDisplay())
, m_glxIntegration(glxIntegration)
, m_config(q_configFromGLFormat(glxIntegration->eglDisplay(), window->format(), true, EGL_WINDOW_BIT | EGL_PIXMAP_BIT))
{
}
QWaylandWindow::WindowType QWaylandXCompositeEGLWindow::windowType() const
{
//yeah. this type needs a new name
return QWaylandWindow::Egl;
}
void QWaylandXCompositeEGLWindow::setGeometry(const QRect &rect)
{
QWaylandWindow::setGeometry(rect);
if (m_surface) {
eglDestroySurface(m_glxIntegration->eglDisplay(), m_surface);
m_surface = 0;
}
}
EGLSurface QWaylandXCompositeEGLWindow::eglSurface() const
{
if (!m_surface)
const_cast<QWaylandXCompositeEGLWindow *>(this)->createEglSurface();
return m_surface;
}
void QWaylandXCompositeEGLWindow::createEglSurface()
{
QSize size(geometry().size());
if (size.isEmpty()) {
// QGLWidget wants a context for a window without geometry
size = QSize(1,1);
}
delete m_buffer;
//XFreePixmap deletes the glxPixmap as well
if (m_xWindow) {
XDestroyWindow(m_glxIntegration->xDisplay(), m_xWindow);
}
VisualID visualId = QXlibEglIntegration::getCompatibleVisualId(m_glxIntegration->xDisplay(), m_glxIntegration->eglDisplay(), m_config);
XVisualInfo visualInfoTemplate;
memset(&visualInfoTemplate, 0, sizeof(XVisualInfo));
visualInfoTemplate.visualid = visualId;
int matchingCount = 0;
XVisualInfo *visualInfo = XGetVisualInfo(m_glxIntegration->xDisplay(), VisualIDMask, &visualInfoTemplate, &matchingCount);
Colormap cmap = XCreateColormap(m_glxIntegration->xDisplay(),m_glxIntegration->rootWindow(),visualInfo->visual,AllocNone);
XSetWindowAttributes a;
a.colormap = cmap;
m_xWindow = XCreateWindow(m_glxIntegration->xDisplay(), m_glxIntegration->rootWindow(),0, 0, size.width(), size.height(),
0, visualInfo->depth, InputOutput, visualInfo->visual,
CWColormap, &a);
XCompositeRedirectWindow(m_glxIntegration->xDisplay(), m_xWindow, CompositeRedirectManual);
XMapWindow(m_glxIntegration->xDisplay(), m_xWindow);
m_surface = eglCreateWindowSurface(m_glxIntegration->eglDisplay(), m_config, reinterpret_cast<EGLNativeWindowType>(m_xWindow), nullptr);
if (m_surface == EGL_NO_SURFACE) {
qFatal("Could not make eglsurface");
}
XSync(m_glxIntegration->xDisplay(),False);
m_buffer = new QWaylandXCompositeBuffer(m_glxIntegration->waylandXComposite(),
(uint32_t)m_xWindow,
size);
}
}
QT_END_NAMESPACE
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