1 files changed, 169 insertions, 0 deletions
diff --git a/src/plugins/platforms/wayland/gl_integration/xcomposite_egl/qwaylandxcompositeeglcontext.cpp b/src/plugins/platforms/wayland/gl_integration/xcomposite_egl/qwaylandxcompositeeglcontext.cpp
new file mode 100644
index 0000000000..92acf752e4
--- /dev/null
+++ b/src/plugins/platforms/wayland/gl_integration/xcomposite_egl/qwaylandxcompositeeglcontext.cpp
@@ -0,0 +1,169 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwaylandxcompositeeglcontext.h"
+
+#include "qwaylandxcompositeeglwindow.h"
+#include "qwaylandxcompositebuffer.h"
+
+#include "wayland-xcomposite-client-protocol.h"
+#include <QtCore/QDebug>
+
+#include "qeglconvenience.h"
+#include "qxlibeglintegration.h"
+
+#include <X11/extensions/Xcomposite.h>
+
+QWaylandXCompositeEGLContext::QWaylandXCompositeEGLContext(QWaylandXCompositeEGLIntegration *glxIntegration, QWaylandXCompositeEGLWindow *window)
+    : QPlatformGLContext()
+    , mEglIntegration(glxIntegration)
+    , mWindow(window)
+    , mBuffer(0)
+    , mXWindow(0)
+    , mConfig(q_configFromQPlatformWindowFormat(glxIntegration->eglDisplay(),window->widget()->platformWindowFormat(),true,EGL_WINDOW_BIT))
+    , mWaitingForSync(false)
+{
+    QVector<EGLint> eglContextAttrs;
+    eglContextAttrs.append(EGL_CONTEXT_CLIENT_VERSION); eglContextAttrs.append(2);
+    eglContextAttrs.append(EGL_NONE);
+
+    mContext = eglCreateContext(glxIntegration->eglDisplay(),mConfig,EGL_NO_CONTEXT,eglContextAttrs.constData());
+    if (mContext == EGL_NO_CONTEXT) {
+        qFatal("failed to find context");
+    }
+
+    geometryChanged();
+}
+
+void QWaylandXCompositeEGLContext::makeCurrent()
+{
+    QPlatformGLContext::makeCurrent();
+
+    eglMakeCurrent(mEglIntegration->eglDisplay(),mEglWindowSurface,mEglWindowSurface,mContext);
+}
+
+void QWaylandXCompositeEGLContext::doneCurrent()
+{
+    QPlatformGLContext::doneCurrent();
+    eglMakeCurrent(mEglIntegration->eglDisplay(),EGL_NO_SURFACE,EGL_NO_SURFACE,EGL_NO_CONTEXT);
+}
+
+void QWaylandXCompositeEGLContext::swapBuffers()
+{
+    QSize size = mWindow->geometry().size();
+
+    eglSwapBuffers(mEglIntegration->eglDisplay(),mEglWindowSurface);
+    mWindow->damage(QRegion(QRect(QPoint(0,0),size)));
+    mWindow->waitForFrameSync();
+}
+
+void * QWaylandXCompositeEGLContext::getProcAddress(const QString &procName)
+{
+    return (void *)eglGetProcAddress(qPrintable(procName));
+}
+
+QPlatformWindowFormat QWaylandXCompositeEGLContext::platformWindowFormat() const
+{
+    return qt_qPlatformWindowFormatFromConfig(mEglIntegration->eglDisplay(),mConfig);
+}
+
+void QWaylandXCompositeEGLContext::sync_function(void *data)
+{
+    QWaylandXCompositeEGLContext *that = static_cast<QWaylandXCompositeEGLContext *>(data);
+    that->mWaitingForSync = false;
+}
+
+void QWaylandXCompositeEGLContext::geometryChanged()
+{
+    QSize size(mWindow->geometry().size());
+    if (size.isEmpty()) {
+        //QGLWidget wants a context for a window without geometry
+        size = QSize(1,1);
+    }
+
+    delete mBuffer;
+    //XFreePixmap deletes the glxPixmap as well
+    if (mXWindow) {
+        XDestroyWindow(mEglIntegration->xDisplay(),mXWindow);
+    }
+
+    VisualID visualId = QXlibEglIntegration::getCompatibleVisualId(mEglIntegration->xDisplay(),mEglIntegration->eglDisplay(),mConfig);
+
+    XVisualInfo visualInfoTemplate;
+    memset(&visualInfoTemplate, 0, sizeof(XVisualInfo));
+    visualInfoTemplate.visualid = visualId;
+
+    int matchingCount = 0;
+    XVisualInfo *visualInfo = XGetVisualInfo(mEglIntegration->xDisplay(), VisualIDMask, &visualInfoTemplate, &matchingCount);
+
+    Colormap cmap = XCreateColormap(mEglIntegration->xDisplay(),mEglIntegration->rootWindow(),visualInfo->visual,AllocNone);
+
+    XSetWindowAttributes a;
+    a.colormap = cmap;
+    mXWindow = XCreateWindow(mEglIntegration->xDisplay(), mEglIntegration->rootWindow(),0, 0, size.width(), size.height(),
+                             0, visualInfo->depth, InputOutput, visualInfo->visual,
+                             CWColormap, &a);
+
+    XCompositeRedirectWindow(mEglIntegration->xDisplay(), mXWindow, CompositeRedirectManual);
+    XMapWindow(mEglIntegration->xDisplay(), mXWindow);
+
+    mEglWindowSurface = eglCreateWindowSurface(mEglIntegration->eglDisplay(),mConfig,mXWindow,0);
+    if (mEglWindowSurface == EGL_NO_SURFACE) {
+        qFatal("Could not make eglsurface");
+    }
+
+    XSync(mEglIntegration->xDisplay(),False);
+    mBuffer = new QWaylandXCompositeBuffer(mEglIntegration->waylandXComposite(),
+                                           (uint32_t)mXWindow,
+                                           size,
+                                           mEglIntegration->waylandDisplay()->argbVisual());
+    mWindow->attach(mBuffer);
+    wl_display_sync_callback(mEglIntegration->waylandDisplay()->wl_display(),
+                             QWaylandXCompositeEGLContext::sync_function,
+                             this);
+
+    mWaitingForSync = true;
+    wl_display_sync(mEglIntegration->waylandDisplay()->wl_display(),0);
+    mEglIntegration->waylandDisplay()->flushRequests();
+    while (mWaitingForSync) {
+        mEglIntegration->waylandDisplay()->readEvents();
+    }
+}