1 files changed, 150 insertions, 0 deletions
diff --git a/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp b/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp
new file mode 100644
index 0000000000..caf51170a6
--- /dev/null
+++ b/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp
@@ -0,0 +1,150 @@
+/****************************************************************************
+**
+** 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 "qwaylandxcompositeglxcontext.h"
+
+#include "qwaylandxcompositeglxwindow.h"
+#include "qwaylandxcompositebuffer.h"
+
+#include "wayland-xcomposite-client-protocol.h"
+#include <QtCore/QDebug>
+
+#include <X11/extensions/Xcomposite.h>
+
+QWaylandXCompositeGLXContext::QWaylandXCompositeGLXContext(QWaylandXCompositeGLXIntegration *glxIntegration, QWaylandXCompositeGLXWindow *window)
+    : QPlatformGLContext()
+    , mGlxIntegration(glxIntegration)
+    , mWindow(window)
+    , mBuffer(0)
+    , mXWindow(0)
+    , mConfig(qglx_findConfig(glxIntegration->xDisplay(),glxIntegration->screen(),window->widget()->platformWindowFormat()))
+    , mWaitingForSyncCallback(false)
+{
+    XVisualInfo *visualInfo = glXGetVisualFromFBConfig(glxIntegration->xDisplay(),mConfig);
+    mContext = glXCreateContext(glxIntegration->xDisplay(),visualInfo,0,TRUE);
+
+    geometryChanged();
+}
+
+void QWaylandXCompositeGLXContext::makeCurrent()
+{
+    QPlatformGLContext::makeCurrent();
+    glXMakeCurrent(mGlxIntegration->xDisplay(),mXWindow,mContext);
+}
+
+void QWaylandXCompositeGLXContext::doneCurrent()
+{
+    glXMakeCurrent(mGlxIntegration->xDisplay(),0,0);
+    QPlatformGLContext::doneCurrent();
+}
+
+void QWaylandXCompositeGLXContext::swapBuffers()
+{
+    QSize size = mWindow->geometry().size();
+
+    glXSwapBuffers(mGlxIntegration->xDisplay(),mXWindow);
+    mWindow->damage(QRegion(QRect(QPoint(0,0),size)));
+    mWindow->waitForFrameSync();
+}
+
+void * QWaylandXCompositeGLXContext::getProcAddress(const QString &procName)
+{
+    return (void *) glXGetProcAddress(reinterpret_cast<GLubyte *>(procName.toLatin1().data()));
+}
+
+QPlatformWindowFormat QWaylandXCompositeGLXContext::platformWindowFormat() const
+{
+    return qglx_platformWindowFromGLXFBConfig(mGlxIntegration->xDisplay(),mConfig,mContext);
+}
+
+void QWaylandXCompositeGLXContext::sync_function(void *data)
+{
+    QWaylandXCompositeGLXContext *that = static_cast<QWaylandXCompositeGLXContext *>(data);
+    that->mWaitingForSyncCallback = false;
+}
+
+void QWaylandXCompositeGLXContext::waitForSync()
+{
+    wl_display_sync_callback(mGlxIntegration->waylandDisplay()->wl_display(),
+                             QWaylandXCompositeGLXContext::sync_function,
+                             this);
+    mWaitingForSyncCallback = true;
+    wl_display_sync(mGlxIntegration->waylandDisplay()->wl_display(),0);
+    mGlxIntegration->waylandDisplay()->flushRequests();
+    while (mWaitingForSyncCallback) {
+        mGlxIntegration->waylandDisplay()->readEvents();
+    }
+}
+
+void QWaylandXCompositeGLXContext::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(mGlxIntegration->xDisplay(),mXWindow);
+    }
+
+    XVisualInfo *visualInfo = glXGetVisualFromFBConfig(mGlxIntegration->xDisplay(),mConfig);
+    Colormap cmap = XCreateColormap(mGlxIntegration->xDisplay(),mGlxIntegration->rootWindow(),visualInfo->visual,AllocNone);
+
+    XSetWindowAttributes a;
+    a.colormap = cmap;
+    mXWindow = XCreateWindow(mGlxIntegration->xDisplay(), mGlxIntegration->rootWindow(),0, 0, size.width(), size.height(),
+                             0, visualInfo->depth, InputOutput, visualInfo->visual,
+                             CWColormap, &a);
+
+    XCompositeRedirectWindow(mGlxIntegration->xDisplay(), mXWindow, CompositeRedirectManual);
+    XMapWindow(mGlxIntegration->xDisplay(), mXWindow);
+
+    XSync(mGlxIntegration->xDisplay(),False);
+    mBuffer = new QWaylandXCompositeBuffer(mGlxIntegration->waylandXComposite(),
+                                           (uint32_t)mXWindow,
+                                           size,
+                                           mGlxIntegration->waylandDisplay()->argbVisual());
+    mWindow->attach(mBuffer);
+    waitForSync();
+}