1 files changed, 106 insertions, 0 deletions
diff --git a/src/plugins/platforms/wayland/gl_integration/readback_cgl/qwaylandreadbackcglcontext.cpp b/src/plugins/platforms/wayland/gl_integration/readback_cgl/qwaylandreadbackcglcontext.cpp
new file mode 100644
index 0000000000..d0712a3989
--- /dev/null
+++ b/src/plugins/platforms/wayland/gl_integration/readback_cgl/qwaylandreadbackcglcontext.cpp
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwaylandreadbackcglcontext.h"
+
+#include "qwaylandshmbackingstore.h"
+#include "qwaylandreadbackcglwindow.h"
+
+#include <QtGui/QGuiGLContext>
+#include <QtCore/QDebug>
+
+#include <OpenGL/OpenGL.h>
+#include <OpenGL/glext.h>
+#include <OpenGL/glu.h>
+
+#include <QtPlatformSupport/private/cglconvenience_p.h>
+
+QWaylandReadbackCGLContext::QWaylandReadbackCGLContext(QPlatformGLContext *share)
+    : QPlatformGLContext()
+{
+    Q_UNUSED(share);
+    m_glContext = qcgl_createGlContext();
+}
+
+QSurfaceFormat QWaylandReadbackCGLContext::format() const
+{
+    return qcgl_surfaceFormat();
+}
+
+bool QWaylandReadbackCGLContext::makeCurrent(QPlatformSurface *surface)
+{
+    QWaylandReadbackCGLWindow *window = static_cast<QWaylandReadbackCGLWindow *>(surface);
+    CGLSetPBuffer(m_glContext, window->pixelBuffer(), 0, 0, 0);
+    CGLSetCurrentContext(m_glContext);
+    return true;
+}
+
+void QWaylandReadbackCGLContext::doneCurrent()
+{
+    CGLSetCurrentContext(0);
+}
+
+void QWaylandReadbackCGLContext::swapBuffers(QPlatformSurface *surface)
+{
+    Q_UNUSED(surface);
+
+    if (QGuiGLContext::currentContext()->handle() != this) {
+        makeCurrent(surface);
+    }
+    CGLFlushDrawable(m_glContext);
+
+    QWaylandReadbackCGLWindow *window = static_cast<QWaylandReadbackCGLWindow *>(surface);
+    QSize size = window->geometry().size();
+
+    uchar *dstBits = const_cast<uchar *>(window->buffer());
+    glReadPixels(0,0, size.width(), size.height(), GL_BGRA,GL_UNSIGNED_BYTE, dstBits);
+
+    window->damage(QRect(QPoint(0,0),size));
+
+    // ### Should sync here but this call deadlocks with the server.
+    //window->waitForFrameSync();
+}
+
+void (*QWaylandReadbackCGLContext::getProcAddress(const QByteArray &procName)) ()
+{
+    return qcgl_getProcAddress(procName);
+}
+