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authorTom Cooksey <thomas.cooksey@nokia.com>2009-10-20 12:37:29 (GMT)
committerTom Cooksey <thomas.cooksey@nokia.com>2009-10-20 12:57:39 (GMT)
commitf0a7e831394683190faf8a51bf724462f98568e9 (patch)
tree90d10163705c2509970c78849af5807feeb69f9e /src/opengl/qwindowsurface_x11gl.cpp
parent6e1e26741e682c869c45e4cf8dfe4c79e37b9716 (diff)
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Add a new window surface which utilises QX11GLPixmapData
The new surface uses XCopyArea to post updates to the window and thus, supports partial updates.
Diffstat (limited to 'src/opengl/qwindowsurface_x11gl.cpp')
-rw-r--r--src/opengl/qwindowsurface_x11gl.cpp146
1 files changed, 146 insertions, 0 deletions
diff --git a/src/opengl/qwindowsurface_x11gl.cpp b/src/opengl/qwindowsurface_x11gl.cpp
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+++ b/src/opengl/qwindowsurface_x11gl.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL module 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 <QTime>
+#include <QDebug>
+
+#include <private/qt_x11_p.h>
+#include <private/qimagepixmapcleanuphooks_p.h>
+
+#include "qwindowsurface_x11gl_p.h"
+#include "qpixmapdata_x11gl_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QX11GLWindowSurface::QX11GLWindowSurface(QWidget* window)
+ : QWindowSurface(window), m_GC(0), m_window(window)
+{
+ QImagePixmapCleanupHooks::instance();
+}
+
+QX11GLWindowSurface::~QX11GLWindowSurface()
+{
+
+ if (m_GC)
+ XFree(m_GC);
+}
+
+QPaintDevice *QX11GLWindowSurface::paintDevice()
+{
+ return &m_backBuffer;
+}
+
+extern void *qt_getClipRects(const QRegion &r, int &num); // in qpaintengine_x11.cpp
+
+void QX11GLWindowSurface::flush(QWidget *widget, const QRegion &widgetRegion, const QPoint &offset)
+{
+// qDebug("QX11GLWindowSurface::flush()");
+ QTime startTime = QTime::currentTime();
+ if (m_backBuffer.isNull()) {
+ qDebug("QHarmattanWindowSurface::flush() - backBuffer is null, not flushing anything");
+ return;
+ }
+
+ QPoint widgetOffset = qt_qwidget_data(widget)->wrect.topLeft();
+ QRegion windowRegion(widgetRegion);
+ QRect boundingRect = widgetRegion.boundingRect();
+ if (!widgetOffset.isNull())
+ windowRegion.translate(-widgetOffset);
+ QRect windowBoundingRect = windowRegion.boundingRect();
+
+ int rectCount;
+ XRectangle *rects = (XRectangle *)qt_getClipRects(windowRegion, rectCount);
+ if (rectCount <= 0)
+ return;
+// qDebug() << "XSetClipRectangles";
+// for (int i = 0; i < num; ++i)
+// qDebug() << ' ' << i << rects[i].x << rects[i].x << rects[i].y << rects[i].width << rects[i].height;
+
+ if (m_GC == 0) {
+ m_GC = XCreateGC(X11->display, m_window->handle(), 0, 0);
+ XSetGraphicsExposures(X11->display, m_GC, False);
+ }
+
+ XSetClipRectangles(X11->display, m_GC, 0, 0, rects, rectCount, YXBanded);
+ XCopyArea(X11->display, m_backBuffer.handle(), m_window->handle(), m_GC,
+ boundingRect.x() + offset.x(), boundingRect.y() + offset.y(),
+ boundingRect.width(), boundingRect.height(),
+ windowBoundingRect.x(), windowBoundingRect.y());
+}
+
+void QX11GLWindowSurface::setGeometry(const QRect &rect)
+{
+ if (rect.width() > m_backBuffer.size().width() || rect.height() > m_backBuffer.size().height()) {
+ QSize newSize = rect.size();
+// QSize newSize(1024,512);
+ qDebug() << "QX11GLWindowSurface::setGeometry() - creating a pixmap of size" << newSize;
+ QX11GLPixmapData *pd = new QX11GLPixmapData;
+ pd->resize(newSize.width(), newSize.height());
+ m_backBuffer = QPixmap(pd);
+ }
+
+// if (gc)
+// XFreeGC(X11->display, gc);
+// gc = XCreateGC(X11->display, d_ptr->device.handle(), 0, 0);
+// XSetGraphicsExposures(X11->display, gc, False);
+ QWindowSurface::setGeometry(rect);
+}
+
+bool QX11GLWindowSurface::scroll(const QRegion &area, int dx, int dy)
+{
+ return false;
+}
+
+/*
+void QX11GLWindowSurface::beginPaint(const QRegion &region)
+{
+}
+
+void QX11GLWindowSurface::endPaint(const QRegion &region)
+{
+}
+
+QImage *QX11GLWindowSurface::buffer(const QWidget *widget)
+{
+}
+*/
+
+QT_END_NAMESPACE