/**************************************************************************** ** ** 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 "qdirectfbpaintengine.h" #ifndef QT_NO_QWS_DIRECTFB #include "qdirectfbwindowsurface.h" #include "qdirectfbscreen.h" #include "qdirectfbpixmap.h" #include #include #include #include #include #include #include #include QT_BEGIN_NAMESPACE class SurfaceCache; class QDirectFBPaintEnginePrivate : public QRasterPaintEnginePrivate { public: enum TransformationTypeFlags { Matrix_NegativeScale = 0x100, Matrix_RectsUnsupported = (QTransform::TxRotate|QTransform::TxShear|QTransform::TxProject), Matrix_BlitsUnsupported = (Matrix_NegativeScale|Matrix_RectsUnsupported) }; enum CompositionModeStatus { PorterDuff_None = 0x0, PorterDuff_Supported = 0x1, PorterDuff_PremultiplyColors = 0x2, PorterDuff_AlwaysBlend = 0x4 }; enum ClipType { ClipUnset, NoClip, RectClip, RegionClip, ComplexClip }; QDirectFBPaintEnginePrivate(QDirectFBPaintEngine *p); ~QDirectFBPaintEnginePrivate(); inline void setTransform(const QTransform &transforma); inline void setPen(const QPen &pen); inline void setCompositionMode(QPainter::CompositionMode mode); inline void setRenderHints(QPainter::RenderHints hints); inline void setDFBColor(const QColor &color); inline void lock(); inline void unlock(); static inline void unlock(QDirectFBPaintDevice *device); inline bool isSimpleBrush(const QBrush &brush) const; void drawTiledPixmap(const QRectF &dest, const QPixmap &pixmap, const QPointF &pos); void blit(const QRectF &dest, IDirectFBSurface *surface, const QRectF &src); inline bool supportsStretchBlit() const; inline void updateClip(); virtual void systemStateChanged(); static IDirectFBSurface *getSurface(const QImage &img, bool *release); #ifdef QT_DIRECTFB_IMAGECACHE static inline int cacheCost(const QImage &img) { return img.width() * img.height() * img.depth() / 8; } #endif void prepareForBlit(bool alpha); IDirectFBSurface *surface; bool antialiased; bool simplePen; uint transformationType; // this is QTransform::type() + Matrix_NegativeScale if qMin(transform.m11(), transform.m22()) < 0 SurfaceCache *surfaceCache; IDirectFB *fb; quint8 opacity; ClipType clipType; QDirectFBPaintDevice *dfbDevice; uint compositionModeStatus; bool isPremultiplied; bool inClip; QRect currentClip; QDirectFBPaintEngine *q; }; class SurfaceCache { public: SurfaceCache() : surface(0), buffer(0), bufsize(0) {} ~SurfaceCache() { clear(); } IDirectFBSurface *getSurface(const uint *buf, int size); void clear(); private: IDirectFBSurface *surface; uint *buffer; int bufsize; }; #ifdef QT_DIRECTFB_IMAGECACHE QT_BEGIN_INCLUDE_NAMESPACE #include QT_END_INCLUDE_NAMESPACE struct CachedImage { IDirectFBSurface *surface; ~CachedImage() { if (surface && QDirectFBScreen::instance()) { QDirectFBScreen::instance()->releaseDFBSurface(surface); } } }; static QCache imageCache(4*1024*1024); // 4 MB #endif #define VOID_ARG() static_cast(false) enum PaintOperation { DRAW_RECTS = 0x0001, DRAW_LINES = 0x0002, DRAW_IMAGE = 0x0004, DRAW_PIXMAP = 0x0008, DRAW_TILED_PIXMAP = 0x0010, STROKE_PATH = 0x0020, DRAW_PATH = 0x0040, DRAW_POINTS = 0x0080, DRAW_ELLIPSE = 0x0100, DRAW_POLYGON = 0x0200, DRAW_TEXT = 0x0400, FILL_PATH = 0x0800, FILL_RECT = 0x1000, DRAW_COLORSPANS = 0x2000, DRAW_ROUNDED_RECT = 0x4000, DRAW_STATICTEXT = 0x8000, ALL = 0xffff }; enum { RasterWarn = 1, RasterDisable = 2 }; static inline uint rasterFallbacksMask(PaintOperation op) { uint ret = 0; #ifdef QT_DIRECTFB_WARN_ON_RASTERFALLBACKS if (op & QT_DIRECTFB_WARN_ON_RASTERFALLBACKS) ret |= RasterWarn; #endif #ifdef QT_DIRECTFB_DISABLE_RASTERFALLBACKS if (op & QT_DIRECTFB_DISABLE_RASTERFALLBACKS) ret |= RasterDisable; #endif static int warningMask = -1; static int disableMask = -1; if (warningMask < 0) { struct { const char *name; PaintOperation operation; } const operations[] = { { "DRAW_RECTS", DRAW_RECTS }, { "DRAW_LINES", DRAW_LINES }, { "DRAW_IMAGE", DRAW_IMAGE }, { "DRAW_PIXMAP", DRAW_PIXMAP }, { "DRAW_TILED_PIXMAP", DRAW_TILED_PIXMAP }, { "STROKE_PATH", STROKE_PATH }, { "DRAW_PATH", DRAW_PATH }, { "DRAW_POINTS", DRAW_POINTS }, { "DRAW_ELLIPSE", DRAW_ELLIPSE }, { "DRAW_POLYGON", DRAW_POLYGON }, { "DRAW_TEXT", DRAW_TEXT }, { "FILL_PATH", FILL_PATH }, { "FILL_RECT", FILL_RECT }, { "DRAW_COLORSPANS", DRAW_COLORSPANS }, { "DRAW_ROUNDED_RECT", DRAW_ROUNDED_RECT }, { "ALL", ALL }, { 0, ALL } }; QStringList warning = QString::fromLatin1(qgetenv("QT_DIRECTFB_WARN_ON_RASTERFALLBACKS")).toUpper().split(QLatin1Char('|'), QString::SkipEmptyParts); QStringList disable = QString::fromLatin1(qgetenv("QT_DIRECTFB_DISABLE_RASTERFALLBACKS")).toUpper().split(QLatin1Char('|'), QString::SkipEmptyParts); warningMask = 0; disableMask = 0; if (!warning.isEmpty() || !disable.isEmpty()) { for (int i=0; operations[i].name; ++i) { const QString name = QString::fromLatin1(operations[i].name); int idx = warning.indexOf(name); if (idx != -1) { warningMask |= operations[i].operation; warning.erase(warning.begin() + idx); } idx = disable.indexOf(name); if (idx != -1) { disableMask |= operations[i].operation; disable.erase(disable.begin() + idx); } } } if (!warning.isEmpty()) { qWarning("QDirectFBPaintEngine QT_DIRECTFB_WARN_ON_RASTERFALLBACKS Unknown operation(s): %s", qPrintable(warning.join(QLatin1String("|")))); } if (!disable.isEmpty()) { qWarning("QDirectFBPaintEngine QT_DIRECTFB_DISABLE_RASTERFALLBACKS Unknown operation(s): %s", qPrintable(disable.join(QLatin1String("|")))); } } if (op & warningMask) ret |= RasterWarn; if (op & disableMask) ret |= RasterDisable; return ret; } template static void rasterFallbackWarn(const char *msg, const char *func, const device *dev, uint transformationType, bool simplePen, uint clipType, uint compositionModeStatus, const char *nameOne, const T1 &one, const char *nameTwo, const T2 &two, const char *nameThree, const T3 &three); #define RASTERFALLBACK(op, one, two, three) \ { \ static const uint rasterFallbacks = rasterFallbacksMask(op); \ switch (rasterFallbacks) { \ case 0: break; \ case RasterWarn: \ rasterFallbackWarn("Falling back to raster engine for", \ __FUNCTION__, \ state()->painter->device(), \ d_func()->transformationType, \ d_func()->simplePen, \ d_func()->clipType, \ d_func()->compositionModeStatus, \ #one, one, #two, two, #three, three); \ break; \ case RasterDisable|RasterWarn: \ rasterFallbackWarn("Disabled raster engine operation", \ __FUNCTION__, \ state()->painter->device(), \ d_func()->transformationType, \ d_func()->simplePen, \ d_func()->clipType, \ d_func()->compositionModeStatus, \ #one, one, #two, two, #three, three); \ case RasterDisable: \ return; \ } \ } template static inline void drawLines(const T *lines, int n, const QTransform &transform, IDirectFBSurface *surface); template static inline void fillRects(const T *rects, int n, const QTransform &transform, IDirectFBSurface *surface); template static inline void drawRects(const T *rects, int n, const QTransform &transform, IDirectFBSurface *surface); #define CLIPPED_PAINT(operation) { \ d->unlock(); \ DFBRegion clipRegion; \ switch (d->clipType) { \ case QDirectFBPaintEnginePrivate::NoClip: \ case QDirectFBPaintEnginePrivate::RectClip: \ operation; \ break; \ case QDirectFBPaintEnginePrivate::RegionClip: { \ Q_ASSERT(d->clip()); \ const QVector cr = d->clip()->clipRegion.rects(); \ const int size = cr.size(); \ for (int i=0; icurrentClip = cr.at(i); \ clipRegion.x1 = d->currentClip.x(); \ clipRegion.y1 = d->currentClip.y(); \ clipRegion.x2 = d->currentClip.right(); \ clipRegion.y2 = d->currentClip.bottom(); \ d->surface->SetClip(d->surface, &clipRegion); \ operation; \ } \ d->updateClip(); \ break; } \ case QDirectFBPaintEnginePrivate::ComplexClip: \ case QDirectFBPaintEnginePrivate::ClipUnset: \ qFatal("CLIPPED_PAINT internal error %d", d->clipType); \ break; \ } \ } QDirectFBPaintEngine::QDirectFBPaintEngine(QPaintDevice *device) : QRasterPaintEngine(*(new QDirectFBPaintEnginePrivate(this)), device) { } QDirectFBPaintEngine::~QDirectFBPaintEngine() { } bool QDirectFBPaintEngine::begin(QPaintDevice *device) { Q_D(QDirectFBPaintEngine); if (device->devType() == QInternal::CustomRaster) { d->dfbDevice = static_cast(device); } else if (device->devType() == QInternal::Pixmap) { QPixmapData *data = static_cast(device)->pixmapData(); Q_ASSERT(data->classId() == QPixmapData::DirectFBClass); QDirectFBPixmapData *dfbPixmapData = static_cast(data); QDirectFBPaintEnginePrivate::unlock(dfbPixmapData); d->dfbDevice = static_cast(dfbPixmapData); } if (d->dfbDevice) d->surface = d->dfbDevice->directFBSurface(); if (!d->surface) { qFatal("QDirectFBPaintEngine used on an invalid device: 0x%x", device->devType()); } d->isPremultiplied = QDirectFBScreen::isPremultiplied(d->dfbDevice->format()); d->prepare(d->dfbDevice); gccaps = AllFeatures; d->setCompositionMode(state()->composition_mode); return QRasterPaintEngine::begin(device); } bool QDirectFBPaintEngine::end() { Q_D(QDirectFBPaintEngine); d->unlock(); d->dfbDevice = 0; #if (Q_DIRECTFB_VERSION >= 0x010000) d->surface->ReleaseSource(d->surface); #endif d->currentClip = QRect(); d->surface->SetClip(d->surface, NULL); d->surface = 0; return QRasterPaintEngine::end(); } void QDirectFBPaintEngine::clipEnabledChanged() { Q_D(QDirectFBPaintEngine); QRasterPaintEngine::clipEnabledChanged(); d->updateClip(); } void QDirectFBPaintEngine::penChanged() { Q_D(QDirectFBPaintEngine); d->setPen(state()->pen); QRasterPaintEngine::penChanged(); } void QDirectFBPaintEngine::opacityChanged() { Q_D(QDirectFBPaintEngine); d->opacity = quint8(state()->opacity * 255); QRasterPaintEngine::opacityChanged(); } void QDirectFBPaintEngine::compositionModeChanged() { Q_D(QDirectFBPaintEngine); d->setCompositionMode(state()->compositionMode()); QRasterPaintEngine::compositionModeChanged(); } void QDirectFBPaintEngine::renderHintsChanged() { Q_D(QDirectFBPaintEngine); d->setRenderHints(state()->renderHints); QRasterPaintEngine::renderHintsChanged(); } void QDirectFBPaintEngine::transformChanged() { Q_D(QDirectFBPaintEngine); d->setTransform(state()->matrix); QRasterPaintEngine::transformChanged(); } void QDirectFBPaintEngine::setState(QPainterState *state) { Q_D(QDirectFBPaintEngine); QRasterPaintEngine::setState(state); d->setPen(state->pen); d->opacity = quint8(state->opacity * 255); d->setCompositionMode(state->compositionMode()); d->setTransform(state->transform()); d->setRenderHints(state->renderHints); if (d->surface) d->updateClip(); } void QDirectFBPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op) { Q_D(QDirectFBPaintEngine); const bool wasInClip = d->inClip; d->inClip = true; QRasterPaintEngine::clip(path, op); if (!wasInClip) { d->inClip = false; d->updateClip(); } } void QDirectFBPaintEngine::clip(const QRegion ®ion, Qt::ClipOperation op) { Q_D(QDirectFBPaintEngine); const bool wasInClip = d->inClip; d->inClip = true; QRasterPaintEngine::clip(region, op); if (!wasInClip) { d->inClip = false; d->updateClip(); } } void QDirectFBPaintEngine::clip(const QRect &rect, Qt::ClipOperation op) { Q_D(QDirectFBPaintEngine); const bool wasInClip = d->inClip; d->inClip = true; QRasterPaintEngine::clip(rect, op); if (!wasInClip) { d->inClip = false; d->updateClip(); } } void QDirectFBPaintEngine::drawRects(const QRect *rects, int rectCount) { Q_D(QDirectFBPaintEngine); const QPen &pen = state()->pen; const QBrush &brush = state()->brush; if (brush.style() == Qt::NoBrush && pen.style() == Qt::NoPen) return; if ((d->transformationType & QDirectFBPaintEnginePrivate::Matrix_RectsUnsupported) || !d->simplePen || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip || !d->isSimpleBrush(brush) || !(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_Supported)) { RASTERFALLBACK(DRAW_RECTS, rectCount, VOID_ARG(), VOID_ARG()); d->lock(); QRasterPaintEngine::drawRects(rects, rectCount); return; } if (brush.style() != Qt::NoBrush) { d->setDFBColor(brush.color()); CLIPPED_PAINT(QT_PREPEND_NAMESPACE(fillRects)(rects, rectCount, state()->matrix, d->surface)); } if (pen.style() != Qt::NoPen) { d->setDFBColor(pen.color()); CLIPPED_PAINT(QT_PREPEND_NAMESPACE(drawRects)(rects, rectCount, state()->matrix, d->surface)); } } void QDirectFBPaintEngine::drawRects(const QRectF *rects, int rectCount) { Q_D(QDirectFBPaintEngine); const QPen &pen = state()->pen; const QBrush &brush = state()->brush; if (brush.style() == Qt::NoBrush && pen.style() == Qt::NoPen) return; if ((d->transformationType & QDirectFBPaintEnginePrivate::Matrix_RectsUnsupported) || !d->simplePen || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip || !d->isSimpleBrush(brush) || !(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_Supported)) { RASTERFALLBACK(DRAW_RECTS, rectCount, VOID_ARG(), VOID_ARG()); d->lock(); QRasterPaintEngine::drawRects(rects, rectCount); return; } if (brush.style() != Qt::NoBrush) { d->setDFBColor(brush.color()); CLIPPED_PAINT(fillRects(rects, rectCount, state()->matrix, d->surface)); } if (pen.style() != Qt::NoPen) { d->setDFBColor(pen.color()); CLIPPED_PAINT(QT_PREPEND_NAMESPACE(drawRects)(rects, rectCount, state()->matrix, d->surface)); } } void QDirectFBPaintEngine::drawLines(const QLine *lines, int lineCount) { Q_D(QDirectFBPaintEngine); const QPen &pen = state()->pen; if (!d->simplePen || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip || !(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_Supported)) { RASTERFALLBACK(DRAW_LINES, lineCount, VOID_ARG(), VOID_ARG()); d->lock(); QRasterPaintEngine::drawLines(lines, lineCount); return; } if (pen.style() != Qt::NoPen) { d->setDFBColor(pen.color()); CLIPPED_PAINT(QT_PREPEND_NAMESPACE(drawLines)(lines, lineCount, state()->matrix, d->surface)); } } void QDirectFBPaintEngine::drawLines(const QLineF *lines, int lineCount) { Q_D(QDirectFBPaintEngine); const QPen &pen = state()->pen; if (!d->simplePen || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip || !(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_Supported)) { RASTERFALLBACK(DRAW_LINES, lineCount, VOID_ARG(), VOID_ARG()); d->lock(); QRasterPaintEngine::drawLines(lines, lineCount); return; } if (pen.style() != Qt::NoPen) { d->setDFBColor(pen.color()); CLIPPED_PAINT(QT_PREPEND_NAMESPACE(drawLines)(lines, lineCount, state()->matrix, d->surface)); } } void QDirectFBPaintEngine::drawImage(const QRectF &r, const QImage &image, const QRectF &sr, Qt::ImageConversionFlags flags) { Q_D(QDirectFBPaintEngine); Q_UNUSED(flags); /* This is hard to read. The way it works is like this: - If you do not have support for preallocated surfaces and do not use an image cache we always fall back to raster engine. - If it's rotated/sheared/mirrored (negative scale) or we can't clip it we fall back to raster engine. - If we don't cache the image, but we do have support for preallocated surfaces we fall back to the raster engine if the image is in a format DirectFB can't handle. - If we do cache the image but don't have support for preallocated images and the cost of caching the image (bytes used) is higher than the max image cache size we fall back to raster engine. */ #if !defined QT_NO_DIRECTFB_PREALLOCATED || defined QT_DIRECTFB_IMAGECACHE if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_Supported) || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported) || (d->clipType == QDirectFBPaintEnginePrivate::ComplexClip) || (!d->supportsStretchBlit() && state()->matrix.mapRect(r).size() != sr.size()) #ifndef QT_DIRECTFB_IMAGECACHE || (QDirectFBScreen::getSurfacePixelFormat(image.format()) == DSPF_UNKNOWN) #elif defined QT_NO_DIRECTFB_PREALLOCATED || (QDirectFBPaintEnginePrivate::cacheCost(image) > imageCache.maxCost()) #endif ) #endif { RASTERFALLBACK(DRAW_IMAGE, r, image.size(), sr); d->lock(); QRasterPaintEngine::drawImage(r, image, sr, flags); return; } #if !defined QT_NO_DIRECTFB_PREALLOCATED || defined QT_DIRECTFB_IMAGECACHE bool release; IDirectFBSurface *imgSurface = d->getSurface(image, &release); d->prepareForBlit(QDirectFBScreen::hasAlphaChannel(imgSurface)); CLIPPED_PAINT(d->blit(r, imgSurface, sr)); if (release) { #if (Q_DIRECTFB_VERSION >= 0x010000) d->surface->ReleaseSource(d->surface); #endif imgSurface->Release(imgSurface); } #endif } void QDirectFBPaintEngine::drawImage(const QPointF &p, const QImage &img) { drawImage(QRectF(p, img.size()), img, img.rect()); } void QDirectFBPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pixmap, const QRectF &sr) { Q_D(QDirectFBPaintEngine); if (pixmap.pixmapData()->classId() != QPixmapData::DirectFBClass) { RASTERFALLBACK(DRAW_PIXMAP, r, pixmap.size(), sr); d->lock(); QRasterPaintEngine::drawPixmap(r, pixmap, sr); } else { QPixmapData *data = pixmap.pixmapData(); Q_ASSERT(data->classId() == QPixmapData::DirectFBClass); QDirectFBPixmapData *dfbData = static_cast(data); if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_Supported) || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported) || (d->clipType == QDirectFBPaintEnginePrivate::ComplexClip) || (!d->supportsStretchBlit() && state()->matrix.mapRect(r).size() != sr.size())) { RASTERFALLBACK(DRAW_PIXMAP, r, pixmap.size(), sr); const QImage *img = dfbData->buffer(); d->lock(); QRasterPaintEngine::drawImage(r, *img, sr); } else { QDirectFBPaintEnginePrivate::unlock(dfbData); d->prepareForBlit(pixmap.hasAlphaChannel()); IDirectFBSurface *s = dfbData->directFBSurface(); CLIPPED_PAINT(d->blit(r, s, sr)); } } } void QDirectFBPaintEngine::drawPixmap(const QPointF &p, const QPixmap &pm) { drawPixmap(QRectF(p, pm.size()), pm, pm.rect()); } void QDirectFBPaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &offset) { Q_D(QDirectFBPaintEngine); if (pixmap.pixmapData()->classId() != QPixmapData::DirectFBClass) { RASTERFALLBACK(DRAW_TILED_PIXMAP, r, pixmap.size(), offset); d->lock(); QRasterPaintEngine::drawTiledPixmap(r, pixmap, offset); } else if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_Supported) || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported) || (d->clipType == QDirectFBPaintEnginePrivate::ComplexClip) || (!d->supportsStretchBlit() && state()->matrix.isScaling())) { RASTERFALLBACK(DRAW_TILED_PIXMAP, r, pixmap.size(), offset); QPixmapData *pixmapData = pixmap.pixmapData(); Q_ASSERT(pixmapData->classId() == QPixmapData::DirectFBClass); QDirectFBPixmapData *dfbData = static_cast(pixmapData); const QImage *img = dfbData->buffer(); d->lock(); QRasterPixmapData *data = new QRasterPixmapData(QPixmapData::PixmapType); data->fromImage(*img, Qt::AutoColor); const QPixmap pix(data); QRasterPaintEngine::drawTiledPixmap(r, pix, offset); } else { CLIPPED_PAINT(d->drawTiledPixmap(r, pixmap, offset)); } } void QDirectFBPaintEngine::stroke(const QVectorPath &path, const QPen &pen) { RASTERFALLBACK(STROKE_PATH, path, VOID_ARG(), VOID_ARG()); Q_D(QDirectFBPaintEngine); d->lock(); QRasterPaintEngine::stroke(path, pen); } void QDirectFBPaintEngine::drawPath(const QPainterPath &path) { RASTERFALLBACK(DRAW_PATH, path, VOID_ARG(), VOID_ARG()); Q_D(QDirectFBPaintEngine); d->lock(); QRasterPaintEngine::drawPath(path); } void QDirectFBPaintEngine::drawPoints(const QPointF *points, int pointCount) { RASTERFALLBACK(DRAW_POINTS, pointCount, VOID_ARG(), VOID_ARG()); Q_D(QDirectFBPaintEngine); d->lock(); QRasterPaintEngine::drawPoints(points, pointCount); } void QDirectFBPaintEngine::drawPoints(const QPoint *points, int pointCount) { RASTERFALLBACK(DRAW_POINTS, pointCount, VOID_ARG(), VOID_ARG()); Q_D(QDirectFBPaintEngine); d->lock(); QRasterPaintEngine::drawPoints(points, pointCount); } void QDirectFBPaintEngine::drawEllipse(const QRectF &rect) { RASTERFALLBACK(DRAW_ELLIPSE, rect, VOID_ARG(), VOID_ARG()); Q_D(QDirectFBPaintEngine); d->lock(); QRasterPaintEngine::drawEllipse(rect); } void QDirectFBPaintEngine::drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) { RASTERFALLBACK(DRAW_POLYGON, pointCount, mode, VOID_ARG()); Q_D(QDirectFBPaintEngine); d->lock(); QRasterPaintEngine::drawPolygon(points, pointCount, mode); } void QDirectFBPaintEngine::drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode) { RASTERFALLBACK(DRAW_POLYGON, pointCount, mode, VOID_ARG()); Q_D(QDirectFBPaintEngine); d->lock(); QRasterPaintEngine::drawPolygon(points, pointCount, mode); } void QDirectFBPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textItem) { RASTERFALLBACK(DRAW_TEXT, p, textItem.text(), VOID_ARG()); Q_D(QDirectFBPaintEngine); d->lock(); QRasterPaintEngine::drawTextItem(p, textItem); } void QDirectFBPaintEngine::fill(const QVectorPath &path, const QBrush &brush) { if (brush.style() == Qt::NoBrush) return; RASTERFALLBACK(FILL_PATH, path, brush, VOID_ARG()); Q_D(QDirectFBPaintEngine); d->lock(); QRasterPaintEngine::fill(path, brush); } void QDirectFBPaintEngine::drawRoundedRect(const QRectF &rect, qreal xrad, qreal yrad, Qt::SizeMode mode) { RASTERFALLBACK(DRAW_ROUNDED_RECT, rect, xrad, yrad); Q_D(QDirectFBPaintEngine); d->lock(); QRasterPaintEngine::drawRoundedRect(rect, xrad, yrad, mode); } void QDirectFBPaintEngine::drawStaticTextItem(QStaticTextItem *item) { RASTERFALLBACK(DRAW_STATICTEXT, item, VOID_ARG(), VOID_ARG()); Q_D(QDirectFBPaintEngine); d->lock(); QRasterPaintEngine::drawStaticTextItem(item); } void QDirectFBPaintEngine::fillRect(const QRectF &rect, const QBrush &brush) { Q_D(QDirectFBPaintEngine); if (brush.style() == Qt::NoBrush) return; if (d->clipType != QDirectFBPaintEnginePrivate::ComplexClip) { switch (brush.style()) { case Qt::SolidPattern: { const QColor color = brush.color(); if (!color.isValid()) return; if (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_RectsUnsupported || !(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_Supported)) { break; } d->setDFBColor(color); const QRect r = state()->matrix.mapRect(rect).toRect(); CLIPPED_PAINT(d->surface->FillRectangle(d->surface, r.x(), r.y(), r.width(), r.height())); return; } case Qt::TexturePattern: { if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_Supported) || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported) || (!d->supportsStretchBlit() && state()->matrix.isScaling())) { break; } const QPixmap texture = brush.texture(); if (texture.pixmapData()->classId() != QPixmapData::DirectFBClass) break; CLIPPED_PAINT(d->drawTiledPixmap(rect, texture, rect.topLeft() - state()->brushOrigin)); return; } default: break; } } RASTERFALLBACK(FILL_RECT, rect, brush, VOID_ARG()); d->lock(); QRasterPaintEngine::fillRect(rect, brush); } void QDirectFBPaintEngine::fillRect(const QRectF &rect, const QColor &color) { if (!color.isValid()) return; Q_D(QDirectFBPaintEngine); if ((d->transformationType & QDirectFBPaintEnginePrivate::Matrix_RectsUnsupported) || (d->clipType == QDirectFBPaintEnginePrivate::ComplexClip) || !(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_Supported)) { RASTERFALLBACK(FILL_RECT, rect, color, VOID_ARG()); d->lock(); QRasterPaintEngine::fillRect(rect, color); } else { d->setDFBColor(color); const QRect r = state()->matrix.mapRect(rect).toRect(); CLIPPED_PAINT(d->surface->FillRectangle(d->surface, r.x(), r.y(), r.width(), r.height())); } } void QDirectFBPaintEngine::drawBufferSpan(const uint *buffer, int bufsize, int x, int y, int length, uint const_alpha) { Q_D(QDirectFBPaintEngine); IDirectFBSurface *src = d->surfaceCache->getSurface(buffer, bufsize); // ### how does this play with setDFBColor src->SetColor(src, 0, 0, 0, const_alpha); const DFBRectangle rect = { 0, 0, length, 1 }; d->surface->Blit(d->surface, src, &rect, x, y); } #ifdef QT_DIRECTFB_IMAGECACHE static void cachedImageCleanupHook(qint64 key) { delete imageCache.take(key); } void QDirectFBPaintEngine::initImageCache(int size) { Q_ASSERT(size >= 0); imageCache.setMaxCost(size); QImagePixmapCleanupHooks::instance()->addImageHook(cachedImageCleanupHook); } #endif // QT_DIRECTFB_IMAGECACHE // ---- QDirectFBPaintEnginePrivate ---- QDirectFBPaintEnginePrivate::QDirectFBPaintEnginePrivate(QDirectFBPaintEngine *p) : surface(0), antialiased(false), simplePen(false), transformationType(0), opacity(255), clipType(ClipUnset), dfbDevice(0), compositionModeStatus(0), isPremultiplied(false), inClip(false), q(p) { fb = QDirectFBScreen::instance()->dfb(); surfaceCache = new SurfaceCache; } QDirectFBPaintEnginePrivate::~QDirectFBPaintEnginePrivate() { delete surfaceCache; } bool QDirectFBPaintEnginePrivate::isSimpleBrush(const QBrush &brush) const { return (brush.style() == Qt::NoBrush) || (brush.style() == Qt::SolidPattern && !antialiased); } void QDirectFBPaintEnginePrivate::lock() { // We will potentially get a new pointer to the buffer after a // lock so we need to call the base implementation of prepare so // it updates its rasterBuffer to point to the new buffer address. Q_ASSERT(dfbDevice); if (dfbDevice->lockSurface(DSLF_READ|DSLF_WRITE)) { prepare(dfbDevice); } } void QDirectFBPaintEnginePrivate::unlock() { Q_ASSERT(dfbDevice); #ifdef QT_DIRECTFB_SUBSURFACE dfbDevice->syncPending = true; #else QDirectFBPaintEnginePrivate::unlock(dfbDevice); #endif } void QDirectFBPaintEnginePrivate::unlock(QDirectFBPaintDevice *device) { #ifdef QT_NO_DIRECTFB_SUBSURFACE Q_ASSERT(device); device->unlockSurface(); #else Q_UNUSED(device); #endif } void QDirectFBPaintEnginePrivate::setTransform(const QTransform &transform) { transformationType = transform.type(); if (qMin(transform.m11(), transform.m22()) < 0) { transformationType |= QDirectFBPaintEnginePrivate::Matrix_NegativeScale; } setPen(q->state()->pen); } void QDirectFBPaintEnginePrivate::setPen(const QPen &pen) { if (pen.style() == Qt::NoPen) { simplePen = true; } else if (pen.style() == Qt::SolidLine && !antialiased && pen.brush().style() == Qt::SolidPattern && pen.widthF() <= 1.0 && (transformationType < QTransform::TxScale || pen.isCosmetic())) { simplePen = true; } else { simplePen = false; } } void QDirectFBPaintEnginePrivate::setCompositionMode(QPainter::CompositionMode mode) { if (!surface) return; static const bool forceRasterFallBack = qgetenv("QT_DIRECTFB_FORCE_RASTER").toInt() > 0; if (forceRasterFallBack) { compositionModeStatus = PorterDuff_None; return; } compositionModeStatus = PorterDuff_Supported|PorterDuff_PremultiplyColors|PorterDuff_AlwaysBlend; switch (mode) { case QPainter::CompositionMode_Clear: surface->SetPorterDuff(surface, DSPD_CLEAR); break; case QPainter::CompositionMode_Source: surface->SetPorterDuff(surface, DSPD_SRC); compositionModeStatus &= ~PorterDuff_AlwaysBlend; if (!isPremultiplied) compositionModeStatus &= ~PorterDuff_PremultiplyColors; break; case QPainter::CompositionMode_SourceOver: compositionModeStatus &= ~PorterDuff_AlwaysBlend; surface->SetPorterDuff(surface, DSPD_NONE); break; case QPainter::CompositionMode_DestinationOver: surface->SetPorterDuff(surface, DSPD_DST_OVER); break; case QPainter::CompositionMode_SourceIn: surface->SetPorterDuff(surface, DSPD_SRC_IN); if (!isPremultiplied) compositionModeStatus &= ~PorterDuff_PremultiplyColors; break; case QPainter::CompositionMode_DestinationIn: surface->SetPorterDuff(surface, DSPD_DST_IN); break; case QPainter::CompositionMode_SourceOut: surface->SetPorterDuff(surface, DSPD_SRC_OUT); break; case QPainter::CompositionMode_DestinationOut: surface->SetPorterDuff(surface, DSPD_DST_OUT); break; #if (Q_DIRECTFB_VERSION >= 0x010209) case QPainter::CompositionMode_Destination: surface->SetPorterDuff(surface, DSPD_DST); break; #endif #if (Q_DIRECTFB_VERSION >= 0x010000) case QPainter::CompositionMode_SourceAtop: surface->SetPorterDuff(surface, DSPD_SRC_ATOP); break; case QPainter::CompositionMode_DestinationAtop: surface->SetPorterDuff(surface, DSPD_DST_ATOP); break; case QPainter::CompositionMode_Plus: surface->SetPorterDuff(surface, DSPD_ADD); break; case QPainter::CompositionMode_Xor: surface->SetPorterDuff(surface, DSPD_XOR); break; #endif default: compositionModeStatus = PorterDuff_None; break; } } void QDirectFBPaintEnginePrivate::setRenderHints(QPainter::RenderHints hints) { const bool old = antialiased; antialiased = bool(hints & QPainter::Antialiasing); if (old != antialiased) { setPen(q->state()->pen); } } void QDirectFBPaintEnginePrivate::prepareForBlit(bool alpha) { DFBSurfaceBlittingFlags blittingFlags = alpha ? DSBLIT_BLEND_ALPHACHANNEL : DSBLIT_NOFX; if (opacity != 255) { blittingFlags |= DSBLIT_BLEND_COLORALPHA; } surface->SetColor(surface, 0xff, 0xff, 0xff, opacity); surface->SetBlittingFlags(surface, blittingFlags); } static inline uint ALPHA_MUL(uint x, uint a) { uint t = x * a; t = ((t + (t >> 8) + 0x80) >> 8) & 0xff; return t; } void QDirectFBPaintEnginePrivate::setDFBColor(const QColor &color) { Q_ASSERT(surface); Q_ASSERT(compositionModeStatus & PorterDuff_Supported); const quint8 alpha = (opacity == 255 ? color.alpha() : ALPHA_MUL(color.alpha(), opacity)); QColor col; if (compositionModeStatus & PorterDuff_PremultiplyColors) { col = QColor(ALPHA_MUL(color.red(), alpha), ALPHA_MUL(color.green(), alpha), ALPHA_MUL(color.blue(), alpha), alpha); } else { col = QColor(color.red(), color.green(), color.blue(), alpha); } surface->SetColor(surface, col.red(), col.green(), col.blue(), col.alpha()); surface->SetDrawingFlags(surface, alpha == 255 && !(compositionModeStatus & PorterDuff_AlwaysBlend) ? DSDRAW_NOFX : DSDRAW_BLEND); } IDirectFBSurface *QDirectFBPaintEnginePrivate::getSurface(const QImage &img, bool *release) { #ifdef QT_NO_DIRECTFB_IMAGECACHE *release = true; return QDirectFBScreen::instance()->createDFBSurface(img, img.format(), QDirectFBScreen::DontTrackSurface); #else const qint64 key = img.cacheKey(); *release = false; if (imageCache.contains(key)) { return imageCache[key]->surface; } const int cost = cacheCost(img); const bool cache = cost <= imageCache.maxCost(); QDirectFBScreen *screen = QDirectFBScreen::instance(); const QImage::Format format = (img.format() == screen->alphaPixmapFormat() || QDirectFBPixmapData::hasAlphaChannel(img) ? screen->alphaPixmapFormat() : screen->pixelFormat()); IDirectFBSurface *surface = screen->createDFBSurface(img, format, cache ? QDirectFBScreen::TrackSurface : QDirectFBScreen::DontTrackSurface); if (cache) { CachedImage *cachedImage = new CachedImage; const_cast(img).data_ptr()->is_cached = true; cachedImage->surface = surface; imageCache.insert(key, cachedImage, cost); } else { *release = true; } return surface; #endif } void QDirectFBPaintEnginePrivate::blit(const QRectF &dest, IDirectFBSurface *s, const QRectF &src) { const QRect sr = src.toRect(); const QRect dr = q->state()->matrix.mapRect(dest).toRect(); if (dr.isEmpty()) return; const DFBRectangle sRect = { sr.x(), sr.y(), sr.width(), sr.height() }; DFBResult result; if (dr.size() == sr.size()) { result = surface->Blit(surface, s, &sRect, dr.x(), dr.y()); } else { Q_ASSERT(supportsStretchBlit()); const DFBRectangle dRect = { dr.x(), dr.y(), dr.width(), dr.height() }; result = surface->StretchBlit(surface, s, &sRect, &dRect); } if (result != DFB_OK) DirectFBError("QDirectFBPaintEngine::drawPixmap()", result); } static inline qreal fixCoord(qreal rect_pos, qreal pixmapSize, qreal offset) { qreal pos = rect_pos - offset; while (pos > rect_pos) pos -= pixmapSize; while (pos + pixmapSize < rect_pos) pos += pixmapSize; return pos; } void QDirectFBPaintEnginePrivate::drawTiledPixmap(const QRectF &dest, const QPixmap &pixmap, const QPointF &off) { Q_ASSERT(!(transformationType & Matrix_BlitsUnsupported)); const QTransform &transform = q->state()->matrix; const QRect destinationRect = transform.mapRect(dest).toRect().normalized(); QRect newClip = destinationRect; if (!currentClip.isEmpty()) newClip &= currentClip; if (newClip.isNull()) return; const DFBRegion clip = { newClip.x(), newClip.y(), newClip.right(), newClip.bottom() }; surface->SetClip(surface, &clip); QPointF offset = off; Q_ASSERT(transform.type() <= QTransform::TxScale); prepareForBlit(pixmap.hasAlphaChannel()); QPixmapData *data = pixmap.pixmapData(); Q_ASSERT(data->classId() == QPixmapData::DirectFBClass); QDirectFBPixmapData *dfbData = static_cast(data); QDirectFBPaintEnginePrivate::unlock(dfbData); const QSize pixmapSize = dfbData->size(); IDirectFBSurface *sourceSurface = dfbData->directFBSurface(); if (transform.isScaling()) { Q_ASSERT(supportsStretchBlit()); Q_ASSERT(qMin(transform.m11(), transform.m22()) >= 0); offset.rx() *= transform.m11(); offset.ry() *= transform.m22(); const QSizeF mappedSize(pixmapSize.width() * transform.m11(), pixmapSize.height() * transform.m22()); qreal y = fixCoord(destinationRect.y(), mappedSize.height(), offset.y()); const qreal startX = fixCoord(destinationRect.x(), mappedSize.width(), offset.x()); while (y <= destinationRect.bottom()) { qreal x = startX; while (x <= destinationRect.right()) { const DFBRectangle destination = { qRound(x), qRound(y), mappedSize.width(), mappedSize.height() }; surface->StretchBlit(surface, sourceSurface, 0, &destination); x += mappedSize.width(); } y += mappedSize.height(); } } else { qreal y = fixCoord(destinationRect.y(), pixmapSize.height(), offset.y()); const qreal startX = fixCoord(destinationRect.x(), pixmapSize.width(), offset.x()); int horizontal = qMax(1, destinationRect.width() / pixmapSize.width()) + 1; if (startX != destinationRect.x()) ++horizontal; int vertical = qMax(1, destinationRect.height() / pixmapSize.height()) + 1; if (y != destinationRect.y()) ++vertical; const int maxCount = (vertical * horizontal); QVarLengthArray sourceRects(maxCount); QVarLengthArray points(maxCount); int i = 0; while (y <= destinationRect.bottom()) { Q_ASSERT(i < maxCount); qreal x = startX; while (x <= destinationRect.right()) { points[i].x = qRound(x); points[i].y = qRound(y); sourceRects[i].x = 0; sourceRects[i].y = 0; sourceRects[i].w = int(pixmapSize.width()); sourceRects[i].h = int(pixmapSize.height()); x += pixmapSize.width(); ++i; } y += pixmapSize.height(); } surface->BatchBlit(surface, sourceSurface, sourceRects.constData(), points.constData(), i); } if (currentClip.isEmpty()) { surface->SetClip(surface, 0); } else { const DFBRegion clip = { currentClip.x(), currentClip.y(), currentClip.right(), currentClip.bottom() }; surface->SetClip(surface, &clip); } } void QDirectFBPaintEnginePrivate::updateClip() { Q_ASSERT(surface); currentClip = QRect(); const QClipData *clipData = clip(); if (!clipData || !clipData->enabled) { surface->SetClip(surface, NULL); clipType = NoClip; } else if (clipData->hasRectClip) { const DFBRegion r = { clipData->clipRect.x(), clipData->clipRect.y(), clipData->clipRect.right(), clipData->clipRect.bottom() }; surface->SetClip(surface, &r); currentClip = clipData->clipRect.normalized(); // ### is this guaranteed to always be normalized? clipType = RectClip; } else if (clipData->hasRegionClip) { clipType = RegionClip; } else { clipType = ComplexClip; } } bool QDirectFBPaintEnginePrivate::supportsStretchBlit() const { #ifdef QT_DIRECTFB_STRETCHBLIT return !(q->state()->renderHints & QPainter::SmoothPixmapTransform); #else return false; #endif } void QDirectFBPaintEnginePrivate::systemStateChanged() { QRasterPaintEnginePrivate::systemStateChanged(); updateClip(); } IDirectFBSurface *SurfaceCache::getSurface(const uint *buf, int size) { if (buffer == buf && bufsize == size) return surface; clear(); const DFBSurfaceDescription description = QDirectFBScreen::getSurfaceDescription(buf, size); surface = QDirectFBScreen::instance()->createDFBSurface(description, QDirectFBScreen::TrackSurface, 0); if (!surface) qWarning("QDirectFBPaintEngine: SurfaceCache: Unable to create surface"); buffer = const_cast(buf); bufsize = size; return surface; } void SurfaceCache::clear() { if (surface && QDirectFBScreen::instance()) QDirectFBScreen::instance()->releaseDFBSurface(surface); surface = 0; buffer = 0; bufsize = 0; } static inline QRect mapRect(const QTransform &transform, const QRect &rect) { return transform.mapRect(rect); } static inline QRect mapRect(const QTransform &transform, const QRectF &rect) { return transform.mapRect(rect).toRect(); } static inline QLine map(const QTransform &transform, const QLine &line) { return transform.map(line); } static inline QLine map(const QTransform &transform, const QLineF &line) { return transform.map(line).toLine(); } template static inline void drawLines(const T *lines, int n, const QTransform &transform, IDirectFBSurface *surface) { if (n == 1) { const QLine l = map(transform, lines[0]); surface->DrawLine(surface, l.x1(), l.y1(), l.x2(), l.y2()); } else { QVarLengthArray lineArray(n); for (int i=0; iDrawLines(surface, lineArray.constData(), n); } } template static inline void fillRects(const T *rects, int n, const QTransform &transform, IDirectFBSurface *surface) { if (n == 1) { const QRect r = mapRect(transform, rects[0]); surface->FillRectangle(surface, r.x(), r.y(), r.width(), r.height()); } else { QVarLengthArray rectArray(n); for (int i=0; iFillRectangles(surface, rectArray.constData(), n); } } template static inline void drawRects(const T *rects, int n, const QTransform &transform, IDirectFBSurface *surface) { for (int i=0; iDrawRectangle(surface, r.x(), r.y(), r.width(), r.height()); } } template inline const T *ptr(const T &t) { return &t; } template <> inline const bool* ptr(const bool &) { return 0; } template static void rasterFallbackWarn(const char *msg, const char *func, const device *dev, uint transformationType, bool simplePen, uint clipType, uint compositionModeStatus, const char *nameOne, const T1 &one, const char *nameTwo, const T2 &two, const char *nameThree, const T3 &three) { QString out; QDebug dbg(&out); dbg << msg << (QByteArray(func) + "()") << "painting on"; if (dev->devType() == QInternal::Widget) { dbg << static_cast(dev); } else { dbg << dev << "of type" << dev->devType(); } dbg << QString::fromLatin1("transformationType 0x%1").arg(transformationType, 3, 16, QLatin1Char('0')) << "simplePen" << simplePen << "clipType" << clipType << "compositionModeStatus" << compositionModeStatus; const T1 *t1 = ptr(one); const T2 *t2 = ptr(two); const T3 *t3 = ptr(three); if (t1) { dbg << nameOne << *t1; if (t2) { dbg << nameTwo << *t2; if (t3) { dbg << nameThree << *t3; } } } qWarning("%s", qPrintable(out)); } QT_END_NAMESPACE #endif // QT_NO_QWS_DIRECTFB