diff options
Diffstat (limited to 'src/plugins/gfxdrivers/directfb/qdirectfbpaintdevice.cpp')
| -rw-r--r-- | src/plugins/gfxdrivers/directfb/qdirectfbpaintdevice.cpp | 156 |
1 files changed, 98 insertions, 58 deletions
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbpaintdevice.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbpaintdevice.cpp index d2fadcb..46cf65b 100644 --- a/src/plugins/gfxdrivers/directfb/qdirectfbpaintdevice.cpp +++ b/src/plugins/gfxdrivers/directfb/qdirectfbpaintdevice.cpp @@ -1,6 +1,7 @@ /**************************************************************************** ** ** 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 plugins of the Qt Toolkit. @@ -9,8 +10,8 @@ ** 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 either Technology Preview License Agreement or the -** Beta Release License Agreement. +** 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 @@ -20,102 +21,131 @@ ** 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 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. +** 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. +** +** +** +** +** +** ** -** 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. ** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://qt.nokia.com/contact. ** $QT_END_LICENSE$ ** ****************************************************************************/ -#ifndef QT_NO_DIRECTFB - #include "qdirectfbscreen.h" #include "qdirectfbpaintdevice.h" #include "qdirectfbpaintengine.h" +#ifndef QT_NO_QWS_DIRECTFB + +QT_BEGIN_NAMESPACE + QDirectFBPaintDevice::QDirectFBPaintDevice(QDirectFBScreen *scr) - : QCustomRasterPaintDevice(0), dfbSurface(0), lockedImage(0), screen(scr), - lock(DFBSurfaceLockFlags(0)), mem(0), engine(0) -{} + : QCustomRasterPaintDevice(0), dfbSurface(0), screen(scr), + bpl(-1), lockFlgs(DFBSurfaceLockFlags(0)), mem(0), engine(0), imageFormat(QImage::Format_Invalid) +{ +#ifdef QT_DIRECTFB_SUBSURFACE + subSurface = 0; + syncPending = false; +#endif +} QDirectFBPaintDevice::~QDirectFBPaintDevice() { - delete lockedImage; + if (QDirectFBScreen::instance()) { + unlockSurface(); +#ifdef QT_DIRECTFB_SUBSURFACE + releaseSubSurface(); +#endif + if (dfbSurface) { + screen->releaseDFBSurface(dfbSurface); + } + } delete engine; } - IDirectFBSurface *QDirectFBPaintDevice::directFBSurface() const { return dfbSurface; } - -void QDirectFBPaintDevice::lockDirectFB(DFBSurfaceLockFlags flags) +bool QDirectFBPaintDevice::lockSurface(DFBSurfaceLockFlags lockFlags) { - if (!(lock & flags)) { - if (lock) - unlockDirectFB(); - mem = QDirectFBScreen::lockSurface(dfbSurface, flags, &bpl); + if (lockFlgs && (lockFlags & ~lockFlgs)) + unlockSurface(); + if (!mem) { + Q_ASSERT(dfbSurface); +#ifdef QT_DIRECTFB_SUBSURFACE + if (!subSurface) { + DFBResult result; + subSurface = screen->getSubSurface(dfbSurface, QRect(), QDirectFBScreen::TrackSurface, &result); + if (result != DFB_OK || !subSurface) { + DirectFBError("Couldn't create sub surface", result); + return false; + } + } + IDirectFBSurface *surface = subSurface; +#else + IDirectFBSurface *surface = dfbSurface; +#endif + Q_ASSERT(surface); + mem = QDirectFBScreen::lockSurface(surface, lockFlags, &bpl); + lockFlgs = lockFlags; Q_ASSERT(mem); + Q_ASSERT(bpl > 0); const QSize s = size(); - lockedImage = new QImage(mem, s.width(), s.height(), bpl, - QDirectFBScreen::getImageFormat(dfbSurface)); - lock = flags; + lockedImage = QImage(mem, s.width(), s.height(), bpl, + QDirectFBScreen::getImageFormat(dfbSurface)); + return true; } +#ifdef QT_DIRECTFB_SUBSURFACE + if (syncPending) { + syncPending = false; + screen->waitIdle(); + } +#endif + return false; } - -void QDirectFBPaintDevice::unlockDirectFB() +void QDirectFBPaintDevice::unlockSurface() { - if (!lockedImage || !QDirectFBScreen::instance()) - return; - - dfbSurface->Unlock(dfbSurface); - delete lockedImage; - lockedImage = 0; - mem = 0; - lock = DFBSurfaceLockFlags(0); + if (QDirectFBScreen::instance() && lockFlgs) { +#ifdef QT_DIRECTFB_SUBSURFACE + IDirectFBSurface *surface = subSurface; +#else + IDirectFBSurface *surface = dfbSurface; +#endif + if (surface) { + surface->Unlock(surface); + lockFlgs = static_cast<DFBSurfaceLockFlags>(0); + mem = 0; + } + } } - void *QDirectFBPaintDevice::memory() const { return mem; } - QImage::Format QDirectFBPaintDevice::format() const { - return QDirectFBScreen::getImageFormat(dfbSurface); + return imageFormat; } - int QDirectFBPaintDevice::bytesPerLine() const { - if (bpl == -1) { - // Can only get the stride when we lock the surface - Q_ASSERT(!lockedImage); - QDirectFBPaintDevice* that = const_cast<QDirectFBPaintDevice*>(this); - that->lockDirectFB(DSLF_READ); - Q_ASSERT(bpl != -1); - } + Q_ASSERT(!mem || bpl != -1); return bpl; } - QSize QDirectFBPaintDevice::size() const { int w, h; @@ -143,12 +173,10 @@ int QDirectFBPaintDevice::metric(QPaintDevice::PaintDeviceMetric metric) const case QPaintDevice::PdmDpiY: return (dotsPerMeterY() * 254) / 10000; // 0.0254 meters-per-inch case QPaintDevice::PdmDepth: - DFBSurfacePixelFormat format; - dfbSurface->GetPixelFormat(dfbSurface, &format); - return QDirectFBScreen::depth(format); + return QDirectFBScreen::depth(imageFormat); case QPaintDevice::PdmNumColors: { - if (lockedImage) - return lockedImage->numColors(); + if (!lockedImage.isNull()) + return lockedImage.numColors(); DFBResult result; IDirectFBPalette *palette = 0; @@ -176,5 +204,17 @@ QPaintEngine *QDirectFBPaintDevice::paintEngine() const return engine; } +#ifdef QT_DIRECTFB_SUBSURFACE +void QDirectFBPaintDevice::releaseSubSurface() +{ + Q_ASSERT(QDirectFBScreen::instance()); + if (subSurface) { + screen->releaseDFBSurface(subSurface); + subSurface = 0; + } +} #endif +QT_END_NAMESPACE + +#endif // QT_NO_QWS_DIRECTFB |