--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/util/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp Wed Mar 31 11:06:36 2010 +0300
@@ -0,0 +1,479 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 "qdirectfbwindowsurface.h"
+#include "qdirectfbscreen.h"
+#include "qdirectfbpaintengine.h"
+
+#include <private/qwidget_p.h>
+#include <qwidget.h>
+#include <qwindowsystem_qws.h>
+#include <qpaintdevice.h>
+#include <qvarlengtharray.h>
+
+#ifndef QT_NO_QWS_DIRECTFB
+
+QT_BEGIN_NAMESPACE
+
+QDirectFBWindowSurface::QDirectFBWindowSurface(DFBSurfaceFlipFlags flip, QDirectFBScreen *scr)
+ : QDirectFBPaintDevice(scr)
+ , sibling(0)
+#ifndef QT_NO_DIRECTFB_WM
+ , dfbWindow(0)
+#endif
+ , flipFlags(flip)
+ , boundingRectFlip(scr->directFBFlags() & QDirectFBScreen::BoundingRectFlip)
+ , flushPending(false)
+{
+#ifdef QT_NO_DIRECTFB_WM
+ mode = Offscreen;
+#endif
+ setSurfaceFlags(Opaque | Buffered);
+#ifdef QT_DIRECTFB_TIMING
+ frames = 0;
+ timer.start();
+#endif
+}
+
+QDirectFBWindowSurface::QDirectFBWindowSurface(DFBSurfaceFlipFlags flip, QDirectFBScreen *scr, QWidget *widget)
+ : QWSWindowSurface(widget), QDirectFBPaintDevice(scr)
+ , sibling(0)
+#ifndef QT_NO_DIRECTFB_WM
+ , dfbWindow(0)
+#endif
+ , flipFlags(flip)
+ , boundingRectFlip(scr->directFBFlags() & QDirectFBScreen::BoundingRectFlip)
+ , flushPending(false)
+{
+ SurfaceFlags flags = 0;
+ if (!widget || widget->window()->windowOpacity() == 0xff)
+ flags |= Opaque;
+#ifdef QT_NO_DIRECTFB_WM
+ if (widget && widget->testAttribute(Qt::WA_PaintOnScreen)) {
+ flags = RegionReserved;
+ mode = Primary;
+ } else {
+ mode = Offscreen;
+ flags = Buffered;
+ }
+#endif
+ setSurfaceFlags(flags);
+#ifdef QT_DIRECTFB_TIMING
+ frames = 0;
+ timer.start();
+#endif
+}
+
+QDirectFBWindowSurface::~QDirectFBWindowSurface()
+{
+ releaseSurface();
+ // these are not tracked by QDirectFBScreen so we don't want QDirectFBPaintDevice to release it
+}
+
+bool QDirectFBWindowSurface::isValid() const
+{
+ return true;
+}
+
+#ifdef QT_DIRECTFB_WM
+void QDirectFBWindowSurface::raise()
+{
+ if (IDirectFBWindow *window = directFBWindow()) {
+ window->RaiseToTop(window);
+ }
+}
+
+IDirectFBWindow *QDirectFBWindowSurface::directFBWindow() const
+{
+ return (dfbWindow ? dfbWindow : (sibling ? sibling->dfbWindow : 0));
+}
+
+void QDirectFBWindowSurface::createWindow(const QRect &rect)
+{
+ IDirectFBDisplayLayer *layer = screen->dfbDisplayLayer();
+ if (!layer)
+ qFatal("QDirectFBWindowSurface: Unable to get primary display layer!");
+
+ updateIsOpaque();
+
+ DFBWindowDescription description;
+ memset(&description, 0, sizeof(DFBWindowDescription));
+
+ description.flags = DWDESC_CAPS|DWDESC_HEIGHT|DWDESC_WIDTH|DWDESC_POSX|DWDESC_POSY|DWDESC_SURFACE_CAPS|DWDESC_PIXELFORMAT;
+ description.caps = DWCAPS_NODECORATION;
+ description.surface_caps = DSCAPS_NONE;
+ imageFormat = screen->pixelFormat();
+
+ if (!(surfaceFlags() & Opaque)) {
+ imageFormat = screen->alphaPixmapFormat();
+ description.caps |= DWCAPS_ALPHACHANNEL;
+#if (Q_DIRECTFB_VERSION >= 0x010200)
+ description.flags |= DWDESC_OPTIONS;
+ description.options |= DWOP_ALPHACHANNEL;
+#endif
+ }
+ description.pixelformat = QDirectFBScreen::getSurfacePixelFormat(imageFormat);
+ description.posx = rect.x();
+ description.posy = rect.y();
+ description.width = rect.width();
+ description.height = rect.height();
+
+ if (QDirectFBScreen::isPremultiplied(imageFormat))
+ description.surface_caps = DSCAPS_PREMULTIPLIED;
+
+ if (screen->directFBFlags() & QDirectFBScreen::VideoOnly)
+ description.surface_caps |= DSCAPS_VIDEOONLY;
+
+ DFBResult result = layer->CreateWindow(layer, &description, &dfbWindow);
+
+ if (result != DFB_OK)
+ DirectFBErrorFatal("QDirectFBWindowSurface::createWindow", result);
+
+ if (window()) {
+ if (window()->windowFlags() & Qt::WindowStaysOnTopHint) {
+ dfbWindow->SetStackingClass(dfbWindow, DWSC_UPPER);
+ }
+ DFBWindowID winid;
+ result = dfbWindow->GetID(dfbWindow, &winid);
+ if (result != DFB_OK) {
+ DirectFBError("QDirectFBWindowSurface::createWindow. Can't get ID", result);
+ } else {
+ window()->setProperty("_q_DirectFBWindowID", winid);
+ }
+ }
+
+ Q_ASSERT(!dfbSurface);
+ dfbWindow->GetSurface(dfbWindow, &dfbSurface);
+}
+
+static DFBResult setWindowGeometry(IDirectFBWindow *dfbWindow, const QRect &old, const QRect &rect)
+{
+ DFBResult result = DFB_OK;
+ const bool isMove = old.isEmpty() || rect.topLeft() != old.topLeft();
+ const bool isResize = rect.size() != old.size();
+
+#if (Q_DIRECTFB_VERSION >= 0x010000)
+ 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());
+ }
+#else
+ if (isResize) {
+ result = dfbWindow->Resize(dfbWindow,
+ rect.width(), rect.height());
+ }
+ if (isMove) {
+ result = dfbWindow->MoveTo(dfbWindow, rect.x(), rect.y());
+ }
+#endif
+ return result;
+}
+#endif // QT_NO_DIRECTFB_WM
+
+void QDirectFBWindowSurface::setGeometry(const QRect &rect)
+{
+ const QRect oldRect = geometry();
+ if (oldRect == rect)
+ return;
+
+ IDirectFBSurface *oldSurface = dfbSurface;
+ const bool sizeChanged = oldRect.size() != rect.size();
+ if (sizeChanged) {
+ delete engine;
+ engine = 0;
+ releaseSurface();
+ Q_ASSERT(!dfbSurface);
+ }
+
+ if (rect.isNull()) {
+#ifndef QT_NO_DIRECTFB_WM
+ if (dfbWindow) {
+ if (window())
+ window()->setProperty("_q_DirectFBWindowID", QVariant());
+
+ dfbWindow->Release(dfbWindow);
+ dfbWindow = 0;
+ }
+#endif
+ Q_ASSERT(!dfbSurface);
+#ifdef QT_DIRECTFB_SUBSURFACE
+ Q_ASSERT(!subSurface);
+#endif
+ } else {
+#ifdef QT_DIRECTFB_WM
+ if (!dfbWindow) {
+ createWindow(rect);
+ } else {
+ setWindowGeometry(dfbWindow, oldRect, rect);
+ Q_ASSERT(!sizeChanged || !dfbSurface);
+ if (sizeChanged)
+ dfbWindow->GetSurface(dfbWindow, &dfbSurface);
+ }
+#else
+ IDirectFBSurface *primarySurface = screen->primarySurface();
+ DFBResult result = DFB_OK;
+ if (mode == Primary) {
+ Q_ASSERT(primarySurface);
+ 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);
+ }
+ } else { // mode == Offscreen
+ if (!dfbSurface) {
+ dfbSurface = screen->createDFBSurface(rect.size(), surfaceFlags() & Opaque ? screen->pixelFormat() : screen->alphaPixmapFormat(),
+ QDirectFBScreen::DontTrackSurface);
+ }
+ }
+ if (result != DFB_OK)
+ DirectFBErrorFatal("QDirectFBWindowSurface::setGeometry()", result);
+#endif
+ }
+ if (oldSurface != dfbSurface) {
+ imageFormat = dfbSurface ? QDirectFBScreen::getImageFormat(dfbSurface) : QImage::Format_Invalid;
+ }
+
+ if (oldRect.size() != rect.size()) {
+ QWSWindowSurface::setGeometry(rect);
+ } else {
+ QWindowSurface::setGeometry(rect);
+ }
+}
+
+QByteArray QDirectFBWindowSurface::permanentState() const
+{
+ QByteArray state(sizeof(this), 0);
+ *reinterpret_cast<const QDirectFBWindowSurface**>(state.data()) = this;
+ return state;
+}
+
+void QDirectFBWindowSurface::setPermanentState(const QByteArray &state)
+{
+ if (state.size() == sizeof(this)) {
+ sibling = *reinterpret_cast<QDirectFBWindowSurface *const*>(state.constData());
+ Q_ASSERT(sibling);
+ setSurfaceFlags(sibling->surfaceFlags());
+ }
+}
+
+bool QDirectFBWindowSurface::scroll(const QRegion ®ion, int dx, int dy)
+{
+ if (!dfbSurface || !(flipFlags & DSFLIP_BLIT) || region.rectCount() != 1)
+ return false;
+ if (flushPending) {
+ dfbSurface->Flip(dfbSurface, 0, DSFLIP_BLIT);
+ } else {
+ flushPending = true;
+ }
+ dfbSurface->SetBlittingFlags(dfbSurface, DSBLIT_NOFX);
+ const QRect r = region.boundingRect();
+ const DFBRectangle rect = { r.x(), r.y(), r.width(), r.height() };
+ dfbSurface->Blit(dfbSurface, dfbSurface, &rect, r.x() + dx, r.y() + dy);
+ return true;
+}
+
+bool QDirectFBWindowSurface::move(const QPoint &moveBy)
+{
+ setGeometry(geometry().translated(moveBy));
+ return true;
+}
+
+void QDirectFBWindowSurface::setOpaque(bool opaque)
+{
+ SurfaceFlags flags = surfaceFlags();
+ if (opaque != (flags & Opaque)) {
+ if (opaque) {
+ flags |= Opaque;
+ } else {
+ flags &= ~Opaque;
+ }
+ setSurfaceFlags(flags);
+ }
+}
+
+
+void QDirectFBWindowSurface::flush(QWidget *widget, const QRegion ®ion,
+ const QPoint &offset)
+{
+ QWidget *win = window();
+ if (!win)
+ return;
+
+ QWExtra *extra = qt_widget_private(widget)->extraData();
+ if (extra && extra->proxyWidget)
+ return;
+
+ const quint8 windowOpacity = quint8(win->windowOpacity() * 0xff);
+ const QRect windowGeometry = geometry();
+#ifdef QT_DIRECTFB_WM
+ quint8 currentOpacity;
+ Q_ASSERT(dfbWindow);
+ dfbWindow->GetOpacity(dfbWindow, ¤tOpacity);
+ if (currentOpacity != windowOpacity) {
+ dfbWindow->SetOpacity(dfbWindow, windowOpacity);
+ }
+
+ screen->flipSurface(dfbSurface, flipFlags, region, offset);
+#else
+ setOpaque(windowOpacity == 0xff);
+ if (mode == Offscreen) {
+ screen->exposeRegion(region.translated(offset + geometry().topLeft()), 0);
+ } else {
+ screen->flipSurface(dfbSurface, flipFlags, region, offset);
+ }
+#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
+ flushPending = false;
+}
+
+void QDirectFBWindowSurface::beginPaint(const QRegion &)
+{
+ if (!engine) {
+ engine = new QDirectFBPaintEngine(this);
+ }
+ flushPending = true;
+}
+
+void QDirectFBWindowSurface::endPaint(const QRegion &)
+{
+#ifdef QT_NO_DIRECTFB_SUBSURFACE
+ unlockSurface();
+#endif
+}
+
+IDirectFBSurface *QDirectFBWindowSurface::directFBSurface() const
+{
+ if (!dfbSurface && sibling && sibling->dfbSurface)
+ return sibling->dfbSurface;
+ return dfbSurface;
+}
+
+
+IDirectFBSurface *QDirectFBWindowSurface::surfaceForWidget(const QWidget *widget, QRect *rect) const
+{
+ Q_ASSERT(widget);
+ if (!dfbSurface) {
+ if (sibling && (!sibling->sibling || sibling->dfbSurface))
+ return sibling->surfaceForWidget(widget, rect);
+ return 0;
+ }
+ QWidget *win = window();
+ Q_ASSERT(win);
+ if (rect) {
+ if (win == widget) {
+ *rect = widget->rect();
+ } else {
+ *rect = QRect(widget->mapTo(win, QPoint(0, 0)), widget->size());
+ }
+ }
+
+ Q_ASSERT(win == widget || win->isAncestorOf(widget));
+ return dfbSurface;
+}
+
+void QDirectFBWindowSurface::releaseSurface()
+{
+ if (dfbSurface) {
+#ifdef QT_DIRECTFB_SUBSURFACE
+ releaseSubSurface();
+#else
+ unlockSurface();
+#endif
+#ifdef QT_NO_DIRECTFB_WM
+ Q_ASSERT(screen->primarySurface());
+ if (dfbSurface != screen->primarySurface())
+#endif
+
+ dfbSurface->Release(dfbSurface);
+ dfbSurface = 0;
+ }
+}
+
+void QDirectFBWindowSurface::updateIsOpaque()
+{
+ const QWidget *win = window();
+ Q_ASSERT(win);
+ if (win->testAttribute(Qt::WA_OpaquePaintEvent) || win->testAttribute(Qt::WA_PaintOnScreen)) {
+ setOpaque(true);
+ return;
+ }
+
+ if (qFuzzyCompare(static_cast<float>(win->windowOpacity()), 1.0f)) {
+ const QPalette &pal = win->palette();
+
+ if (win->autoFillBackground()) {
+ const QBrush &autoFillBrush = pal.brush(win->backgroundRole());
+ if (autoFillBrush.style() != Qt::NoBrush && autoFillBrush.isOpaque()) {
+ setOpaque(true);
+ return;
+ }
+ }
+
+ if (win->isWindow() && !win->testAttribute(Qt::WA_NoSystemBackground)) {
+ const QBrush &windowBrush = win->palette().brush(QPalette::Window);
+ if (windowBrush.style() != Qt::NoBrush && windowBrush.isOpaque()) {
+ setOpaque(true);
+ return;
+ }
+ }
+ }
+ setOpaque(false);
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_QWS_DIRECTFB