summaryrefslogtreecommitdiffstats
path: root/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp')
-rw-r--r--src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp441
1 files changed, 441 insertions, 0 deletions
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp
new file mode 100644
index 0000000..cd8796b
--- /dev/null
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp
@@ -0,0 +1,441 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdirectfbwindowsurface.h"
+#include "qdirectfbscreen.h"
+#include "qdirectfbpaintengine.h"
+
+#include <qwidget.h>
+#include <qpaintdevice.h>
+#include <qvarlengtharray.h>
+
+
+//#define QT_DIRECTFB_DEBUG_SURFACES 1
+
+QDirectFBWindowSurface::QDirectFBWindowSurface(DFBSurfaceFlipFlags flip, QDirectFBScreen *scr)
+ : QDirectFBPaintDevice(scr)
+#ifndef QT_NO_DIRECTFB_WM
+ , dfbWindow(0)
+#endif
+ , engine(0)
+ , flipFlags(flip)
+ , boundingRectFlip(scr->directFBFlags() & QDirectFBScreen::BoundingRectFlip)
+{
+ setSurfaceFlags(Opaque | Buffered);
+#ifdef QT_DIRECTFB_TIMING
+ frames = 0;
+ timer.start();
+#endif
+}
+
+QDirectFBWindowSurface::QDirectFBWindowSurface(DFBSurfaceFlipFlags flip, QDirectFBScreen *scr, QWidget *widget)
+ : QWSWindowSurface(widget), QDirectFBPaintDevice(scr)
+#ifndef QT_NO_DIRECTFB_WM
+ , dfbWindow(0)
+#endif
+ , engine(0)
+ , flipFlags(flip)
+ , boundingRectFlip(scr->directFBFlags() & QDirectFBScreen::BoundingRectFlip)
+{
+ onscreen = widget->testAttribute(Qt::WA_PaintOnScreen);
+ if (onscreen)
+ setSurfaceFlags(Opaque | RegionReserved);
+ else
+ setSurfaceFlags(Opaque | Buffered);
+#ifdef QT_DIRECTFB_TIMING
+ frames = 0;
+ timer.start();
+#endif
+}
+
+QDirectFBWindowSurface::~QDirectFBWindowSurface()
+{
+}
+
+bool QDirectFBWindowSurface::isValid() const
+{
+ return true;
+}
+
+#ifndef QT_NO_DIRECTFB_WM
+void QDirectFBWindowSurface::createWindow()
+{
+#ifdef QT_NO_DIRECTFB_LAYER
+#warning QT_NO_DIRECTFB_LAYER requires QT_NO_DIRECTFB_WM
+#else
+ IDirectFBDisplayLayer *layer = screen->dfbDisplayLayer();
+ if (!layer)
+ qFatal("QDirectFBWindowSurface: Unable to get primary display layer!");
+
+ DFBWindowDescription description;
+ description.caps = DFBWindowCapabilities(DWCAPS_NODECORATION);
+ description.flags = DFBWindowDescriptionFlags(DWDESC_CAPS
+ |DWDESC_SURFACE_CAPS
+ |DWDESC_PIXELFORMAT);
+
+ description.surface_caps = DSCAPS_NONE;
+ if (screen->directFBFlags() & QDirectFBScreen::VideoOnly)
+ description.surface_caps = DFBSurfaceCapabilities(description.surface_caps|DSCAPS_VIDEOONLY);
+ const QImage::Format format = screen->pixelFormat();
+ description.pixelformat = QDirectFBScreen::getSurfacePixelFormat(format);
+ if (QDirectFBScreen::isPremultiplied(format))
+ description.surface_caps = DFBSurfaceCapabilities(DSCAPS_PREMULTIPLIED|description.caps);
+
+ DFBResult result = layer->CreateWindow(layer, &description, &dfbWindow);
+ if (result != DFB_OK)
+ DirectFBErrorFatal("QDirectFBWindowSurface::createWindow", result);
+
+ if (dfbSurface)
+ dfbSurface->Release(dfbSurface);
+
+ dfbWindow->GetSurface(dfbWindow, &dfbSurface);
+ forceRaster = (format == QImage::Format_RGB32);
+#endif
+}
+#endif // QT_NO_DIRECTFB_WM
+
+void QDirectFBWindowSurface::setGeometry(const QRect &rect, const QRegion &mask)
+{
+ if (rect.isNull()) {
+#ifndef QT_NO_DIRECTFB_WM
+ if (dfbWindow) {
+ dfbWindow->Release(dfbWindow);
+ dfbWindow = 0;
+ }
+#endif
+ if (dfbSurface && dfbSurface != screen->dfbSurface()) {
+ dfbSurface->Release(dfbSurface);
+ dfbSurface = 0;
+ }
+ } else if (rect != geometry()) {
+ DFBResult result = DFB_OK;
+
+ // If we're in a resize, the surface shouldn't be locked
+ Q_ASSERT((lockedImage == 0) || (rect.size() == geometry().size()));
+
+ if (onscreen) {
+ IDirectFBSurface *primarySurface = screen->dfbSurface();
+ Q_ASSERT(primarySurface);
+ if (dfbSurface && dfbSurface != primarySurface)
+ dfbSurface->Release(dfbSurface);
+
+ if (rect == screen->region().boundingRect()) {
+ dfbSurface = primarySurface;
+ } else {
+ const DFBRectangle r = { rect.x(), rect.y(),
+ rect.width(), rect.height() };
+ result = primarySurface->GetSubSurface(primarySurface, &r, &dfbSurface);
+ }
+ forceRaster = (dfbSurface && QDirectFBScreen::getImageFormat(dfbSurface) == QImage::Format_RGB32);
+ } else {
+ const bool isResize = rect.size() != geometry().size();
+#ifdef QT_NO_DIRECTFB_WM
+ if (isResize) {
+ if (dfbSurface)
+ dfbSurface->Release(dfbSurface);
+
+ IDirectFB *dfb = screen->dfb();
+ if (!dfb) {
+ qFatal("QDirectFBWindowSurface::setGeometry(): "
+ "Unable to get DirectFB handle!");
+ }
+
+ dfbSurface = screen->createDFBSurface(rect.size(), screen->pixelFormat(), QDirectFBScreen::DontTrackSurface);
+ forceRaster = (dfbSurface && QDirectFBScreen::getImageFormat(dfbSurface) == QImage::Format_RGB32);
+ } else {
+ Q_ASSERT(dfbSurface);
+ }
+#else
+ const QRect oldRect = geometry();
+ const bool isMove = oldRect.isEmpty() ||
+ rect.topLeft() != oldRect.topLeft();
+
+ if (!dfbWindow)
+ createWindow();
+
+ if (isResize && isMove)
+ result = dfbWindow->SetBounds(dfbWindow, rect.x(), rect.y(),
+ rect.width(), rect.height());
+ else if (isResize)
+ result = dfbWindow->Resize(dfbWindow,
+ rect.width(), rect.height());
+ else if (isMove)
+ result = dfbWindow->MoveTo(dfbWindow, rect.x(), rect.y());
+#endif
+ }
+
+ if (result != DFB_OK)
+ DirectFBErrorFatal("QDirectFBWindowSurface::setGeometry()", result);
+ }
+
+ QWSWindowSurface::setGeometry(rect, mask);
+}
+
+QByteArray QDirectFBWindowSurface::permanentState() const
+{
+ QByteArray array;
+#ifdef QT_NO_DIRECTFB_WM
+ array.resize(sizeof(SurfaceFlags) + sizeof(IDirectFBSurface*));
+#else
+ array.resize(sizeof(SurfaceFlags));
+#endif
+ char *ptr = array.data();
+
+ *reinterpret_cast<SurfaceFlags*>(ptr) = surfaceFlags();
+ ptr += sizeof(SurfaceFlags);
+
+#ifdef QT_NO_DIRECTFB_WM
+ *reinterpret_cast<IDirectFBSurface**>(ptr) = dfbSurface;
+#endif
+ return array;
+}
+
+void QDirectFBWindowSurface::setPermanentState(const QByteArray &state)
+{
+ SurfaceFlags flags;
+ const char *ptr = state.constData();
+
+ flags = *reinterpret_cast<const SurfaceFlags*>(ptr);
+ setSurfaceFlags(flags);
+
+#ifdef QT_NO_DIRECTFB_WM
+ ptr += sizeof(SurfaceFlags);
+ dfbSurface = *reinterpret_cast<IDirectFBSurface* const*>(ptr);
+#endif
+}
+
+bool QDirectFBWindowSurface::scroll(const QRegion &region, int dx, int dy)
+{
+ if (!dfbSurface || !(flipFlags & DSFLIP_BLIT))
+ return false;
+
+ const QVector<QRect> rects = region.rects();
+ const int n = rects.size();
+
+ QVarLengthArray<DFBRectangle, 8> dfbRects(n);
+ QVarLengthArray<DFBPoint, 8> dfbPoints(n);
+
+ for (int i = 0; i < n; ++i) {
+ const QRect r = rects.at(i);
+ dfbRects[i].x = r.x();
+ dfbRects[i].y = r.y();
+ dfbRects[i].w = r.width();
+ dfbRects[i].h = r.height();
+ dfbPoints[i].x = r.x() + dx;
+ dfbPoints[i].y = r.y() + dy;
+ }
+
+ dfbSurface->SetBlittingFlags(dfbSurface, DSBLIT_NOFX);
+ dfbSurface->BatchBlit(dfbSurface, dfbSurface,
+ dfbRects.data(), dfbPoints.data(), n);
+ dfbSurface->ReleaseSource(dfbSurface);
+ return true;
+}
+
+bool QDirectFBWindowSurface::move(const QPoint &offset)
+{
+ QWSWindowSurface::move(offset);
+
+#ifdef QT_NO_DIRECTFB_WM
+ return true; // buffered
+#else
+ if (!dfbWindow)
+ return false;
+
+ DFBResult status = dfbWindow->Move(dfbWindow, offset.x(), offset.y());
+ return (status == DFB_OK);
+#endif
+}
+
+QRegion QDirectFBWindowSurface::move(const QPoint &offset, const QRegion &newClip)
+{
+#ifdef QT_NO_DIRECTFB_WM
+ return QWSWindowSurface::move(offset, newClip);
+#else
+ Q_UNUSED(offset);
+ Q_UNUSED(newClip);
+
+ // DirectFB handles the entire move, so there's no need to blit.
+ return QRegion();
+#endif
+}
+
+QPaintEngine* QDirectFBWindowSurface::paintEngine() const
+{
+ if (!engine) {
+ QDirectFBWindowSurface *that = const_cast<QDirectFBWindowSurface*>(this);
+ that->engine = new QDirectFBPaintEngine(that);
+ return that->engine;
+ }
+ return engine;
+}
+
+// hw: XXX: copied from QWidgetPrivate::isOpaque()
+inline bool isWidgetOpaque(const QWidget *w)
+{
+ if (w->testAttribute(Qt::WA_OpaquePaintEvent)
+ || w->testAttribute(Qt::WA_PaintOnScreen))
+ return true;
+
+ const QPalette &pal = w->palette();
+
+ if (w->autoFillBackground()) {
+ const QBrush &autoFillBrush = pal.brush(w->backgroundRole());
+ if (autoFillBrush.style() != Qt::NoBrush && autoFillBrush.isOpaque())
+ return true;
+ }
+
+ if (!w->testAttribute(Qt::WA_NoSystemBackground)) {
+ const QBrush &windowBrush = w->palette().brush(QPalette::Window);
+ if (windowBrush.style() != Qt::NoBrush && windowBrush.isOpaque())
+ return true;
+ }
+
+ return false;
+}
+void QDirectFBWindowSurface::flush(QWidget *widget, const QRegion &region,
+ const QPoint &offset)
+{
+ Q_UNUSED(widget);
+#ifdef QT_NO_DIRECTFB_WM
+ Q_UNUSED(region);
+ Q_UNUSED(offset);
+#endif
+
+ QWidget *win = window();
+
+ // hw: make sure opacity information is updated before compositing
+ const bool opaque = isWidgetOpaque(win);
+ if (opaque != isOpaque()) {
+ SurfaceFlags flags = Buffered;
+ if (opaque)
+ flags |= Opaque;
+ setSurfaceFlags(flags);
+ }
+
+#ifndef QT_NO_DIRECTFB_WM
+ const quint8 winOpacity = quint8(win->windowOpacity() * 255);
+ quint8 opacity;
+
+ if (dfbWindow) {
+ dfbWindow->GetOpacity(dfbWindow, &opacity);
+ if (winOpacity != opacity)
+ dfbWindow->SetOpacity(dfbWindow, winOpacity);
+ }
+ if (!(flipFlags & DSFLIP_BLIT)) {
+ dfbSurface->Flip(dfbSurface, 0, flipFlags);
+ } else {
+ if (!boundingRectFlip && region.numRects() > 1) {
+ const QVector<QRect> rects = region.rects();
+ const DFBSurfaceFlipFlags nonWaitFlags = DFBSurfaceFlipFlags(flipFlags & ~DSFLIP_WAIT);
+ for (int i=0; i<rects.size(); ++i) {
+ const QRect &r = rects.at(i);
+ const DFBRegion dfbReg = { r.x() + offset.x(), r.y() + offset.y(),
+ r.x() + r.width() + offset.x(),
+ r.y() + r.height() + offset.y() };
+ dfbSurface->Flip(dfbSurface, &dfbReg, i + 1 < rects.size() ? nonWaitFlags : flipFlags);
+ }
+ } else {
+ const QRect r = region.boundingRect();
+ const DFBRegion dfbReg = { r.x() + offset.x(), r.y() + offset.y(),
+ r.x() + r.width() + offset.x(),
+ r.y() + r.height() + offset.y() };
+ dfbSurface->Flip(dfbSurface, &dfbReg, flipFlags);
+ }
+ }
+#endif
+#ifdef QT_DIRECTFB_TIMING
+ enum { Secs = 3 };
+ ++frames;
+ if (timer.elapsed() >= Secs * 1000) {
+ qDebug("%d fps", int(double(frames) / double(Secs)));
+ frames = 0;
+ timer.restart();
+ }
+#endif
+}
+
+
+void QDirectFBWindowSurface::beginPaint(const QRegion &)
+{
+}
+
+void QDirectFBWindowSurface::endPaint(const QRegion &)
+{
+#ifdef QT_DIRECTFB_DEBUG_SURFACES
+ if (bufferImages.count()) {
+ qDebug("QDirectFBWindowSurface::endPaint() this=%p", this);
+
+ foreach(QImage* bufferImg, bufferImages)
+ qDebug(" Deleting buffer image %p", bufferImg);
+ }
+#endif
+
+ qDeleteAll(bufferImages);
+ bufferImages.clear();
+ unlockDirectFB();
+}
+
+
+QImage *QDirectFBWindowSurface::buffer(const QWidget *widget)
+{
+ if (!lockedImage)
+ return 0;
+
+ const QRect rect = QRect(offset(widget), widget->size())
+ & lockedImage->rect();
+ if (rect.isEmpty())
+ return 0;
+
+ QImage *img = new QImage(lockedImage->scanLine(rect.y())
+ + rect.x() * (lockedImage->depth() / 8),
+ rect.width(), rect.height(),
+ lockedImage->bytesPerLine(),
+ lockedImage->format());
+ bufferImages.append(img);
+
+#ifdef QT_DIRECTFB_DEBUG_SURFACES
+ qDebug("QDirectFBWindowSurface::buffer() Created & returned %p", img);
+#endif
+
+ return img;
+}
+