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Diffstat (limited to 'src/opengl/qwindowsurface_x11gl.cpp')
| -rw-r--r-- | src/opengl/qwindowsurface_x11gl.cpp | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/src/opengl/qwindowsurface_x11gl.cpp b/src/opengl/qwindowsurface_x11gl.cpp deleted file mode 100644 index bec0ea7587..0000000000 --- a/src/opengl/qwindowsurface_x11gl.cpp +++ /dev/null @@ -1,213 +0,0 @@ -/**************************************************************************** -** -** 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 QtOpenGL module 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 <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_windowGC(0), m_pixmapGC(0), m_window(window) -{ -} - -QX11GLWindowSurface::~QX11GLWindowSurface() -{ - if (m_windowGC) - XFree(m_windowGC); - if (m_pixmapGC) - XFree(m_pixmapGC); -} - -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) -{ - // We don't need to know the widget which initiated the flush. Instead we just use the offset - // to translate the widgetRegion: - Q_UNUSED(widget); - - if (m_backBuffer.isNull()) { - qDebug("QX11GLWindowSurface::flush() - backBuffer is null, not flushing anything"); - return; - } - - Q_ASSERT(window()->size() != m_backBuffer.size()); - - // Wait for all GL rendering to the back buffer pixmap to complete before trying to - // copy it to the window. We do this by making sure the pixmap's context is current - // and then call eglWaitClient. The EGL 1.4 spec says eglWaitClient doesn't have to - // block, just that "All rendering calls...are guaranteed to be executed before native - // rendering calls". This makes it potentially less expensive than glFinish. - QGLContext* ctx = static_cast<QX11GLPixmapData*>(m_backBuffer.data_ptr().data())->context(); - if (QGLContext::currentContext() != ctx && ctx && ctx->isValid()) - ctx->makeCurrent(); - eglWaitClient(); - - if (m_windowGC == 0) { - XGCValues attribs; - attribs.graphics_exposures = False; - m_windowGC = XCreateGC(X11->display, m_window->handle(), GCGraphicsExposures, &attribs); - } - - int rectCount; - XRectangle *rects = (XRectangle *)qt_getClipRects(widgetRegion, rectCount); - if (rectCount <= 0) - return; - - XSetClipRectangles(X11->display, m_windowGC, 0, 0, rects, rectCount, YXBanded); - - QRect dirtyRect = widgetRegion.boundingRect().translated(-offset); - XCopyArea(X11->display, m_backBuffer.handle(), m_window->handle(), m_windowGC, - dirtyRect.x(), dirtyRect.y(), dirtyRect.width(), dirtyRect.height(), - dirtyRect.x(), dirtyRect.y()); - - // Make sure the blit of the update from the back buffer to the window completes - // before allowing rendering to start again to the back buffer. Otherwise the GPU - // might start rendering to the back buffer again while the blit takes place. - eglWaitNative(EGL_CORE_NATIVE_ENGINE); -} - -void QX11GLWindowSurface::setGeometry(const QRect &rect) -{ - if (rect.width() > m_backBuffer.size().width() || rect.height() > m_backBuffer.size().height()) { - QX11GLPixmapData *pd = new QX11GLPixmapData; - QSize newSize = rect.size(); - pd->resize(newSize.width(), newSize.height()); - m_backBuffer = QPixmap(pd); - if (window()->testAttribute(Qt::WA_TranslucentBackground)) - m_backBuffer.fill(Qt::transparent); - if (m_pixmapGC) { - XFreeGC(X11->display, m_pixmapGC); - m_pixmapGC = 0; - } - } - - QWindowSurface::setGeometry(rect); -} - -bool QX11GLWindowSurface::scroll(const QRegion &area, int dx, int dy) -{ - if (m_backBuffer.isNull()) - return false; - - Q_ASSERT(m_backBuffer.data_ptr()->classId() == QPixmapData::X11Class); - - // Make sure all GL rendering is complete before starting the scroll operation: - QGLContext* ctx = static_cast<QX11GLPixmapData*>(m_backBuffer.data_ptr().data())->context(); - if (QGLContext::currentContext() != ctx && ctx && ctx->isValid()) - ctx->makeCurrent(); - eglWaitClient(); - - if (!m_pixmapGC) - m_pixmapGC = XCreateGC(X11->display, m_backBuffer.handle(), 0, 0); - - foreach (const QRect& rect, area.rects()) { - XCopyArea(X11->display, m_backBuffer.handle(), m_backBuffer.handle(), m_pixmapGC, - rect.x(), rect.y(), rect.width(), rect.height(), - rect.x()+dx, rect.y()+dy); - } - - // Make sure the scroll operation is complete before allowing GL rendering to resume - eglWaitNative(EGL_CORE_NATIVE_ENGINE); - - return true; -} - - -QPixmap QX11GLWindowSurface::grabWidget(const QWidget *widget, const QRect& rect) const -{ - if (!widget || m_backBuffer.isNull()) - return QPixmap(); - - QRect srcRect; - - // make sure the rect is inside the widget & clip to widget's rect - if (!rect.isEmpty()) - srcRect = rect & widget->rect(); - else - srcRect = widget->rect(); - - if (srcRect.isEmpty()) - return QPixmap(); - - // If it's a child widget we have to translate the coordinates - if (widget != window()) - srcRect.translate(widget->mapTo(window(), QPoint(0, 0))); - - QPixmap::x11SetDefaultScreen(widget->x11Info().screen()); - - QX11PixmapData *pmd = new QX11PixmapData(QPixmapData::PixmapType); - pmd->resize(srcRect.width(), srcRect.height()); - QPixmap px(pmd); - - GC tmpGc = XCreateGC(X11->display, m_backBuffer.handle(), 0, 0); - - // Make sure all GL rendering is complete before copying the window - QGLContext* ctx = static_cast<QX11GLPixmapData*>(m_backBuffer.pixmapData())->context(); - if (QGLContext::currentContext() != ctx && ctx && ctx->isValid()) - ctx->makeCurrent(); - eglWaitClient(); - - // Copy srcRect from the backing store to the new pixmap - XSetGraphicsExposures(X11->display, tmpGc, False); - XCopyArea(X11->display, m_backBuffer.handle(), px.handle(), tmpGc, - srcRect.x(), srcRect.y(), srcRect.width(), srcRect.height(), 0, 0); - XFreeGC(X11->display, tmpGc); - - // Wait until the copy has finised before allowing more rendering into the back buffer - eglWaitNative(EGL_CORE_NATIVE_ENGINE); - - return px; -} - -QT_END_NAMESPACE |