diff options
Diffstat (limited to 'src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp')
| -rw-r--r-- | src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp | 1430 |
1 files changed, 1430 insertions, 0 deletions
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp new file mode 100644 index 0000000000..6d6fb02a68 --- /dev/null +++ b/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp @@ -0,0 +1,1430 @@ +/**************************************************************************** +** +** 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 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 <directfb.h> +#include <qtransform.h> +#include <qvarlengtharray.h> +#include <qcache.h> +#include <qmath.h> +#include <private/qpixmapdata_p.h> +#include <private/qpixmap_raster_p.h> +#include <private/qimagepixmapcleanuphooks_p.h> + + +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) + }; + + inline static uint getTransformationType(const QTransform &transform) + { + int ret = transform.type(); + if (qMin(transform.m11(), transform.m22()) < 0) { + ret |= QDirectFBPaintEnginePrivate::Matrix_NegativeScale; + } + return ret; + } + + 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, const QTransform &pixmapTransform); + 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 + + enum BlitFlag { + HasAlpha = 0x1, + Premultiplied = 0x2 + }; + void prepareForBlit(uint blitFlags); + + 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 <private/qimage_p.h> +QT_END_INCLUDE_NAMESPACE +struct CachedImage +{ + IDirectFBSurface *surface; + ~CachedImage() + { + if (surface && QDirectFBScreen::instance()) { + QDirectFBScreen::instance()->releaseDFBSurface(surface); + } + } +}; +static QCache<qint64, CachedImage> imageCache(4*1024*1024); // 4 MB +#endif + +#define VOID_ARG() static_cast<bool>(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 <typename device, typename T1, typename T2, typename T3> +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 <class T> +static inline void drawLines(const T *lines, int n, const QTransform &transform, IDirectFBSurface *surface); +template <class T> +static inline void fillRects(const T *rects, int n, const QTransform &transform, IDirectFBSurface *surface); +template <class T> +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<QRect> cr = d->clip()->clipRegion.rects(); \ + const int size = cr.size(); \ + for (int i=0; i<size; ++i) { \ + d->currentClip = 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<QDirectFBPaintDevice*>(device); + } else if (device->devType() == QInternal::Pixmap) { + QPixmapData *data = static_cast<QPixmap*>(device)->pixmapData(); + Q_ASSERT(data->classId() == QPixmapData::DirectFBClass); + QDirectFBPixmapData *dfbPixmapData = static_cast<QDirectFBPixmapData*>(data); + QDirectFBPaintEnginePrivate::unlock(dfbPixmapData); + d->dfbDevice = static_cast<QDirectFBPaintDevice*>(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<QRect>)(rects, rectCount, state()->matrix, d->surface)); + } + + if (pen.style() != Qt::NoPen) { + d->setDFBColor(pen.color()); + CLIPPED_PAINT(QT_PREPEND_NAMESPACE(drawRects<QRect>)(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<QRectF>(rects, rectCount, state()->matrix, d->surface)); + } + + if (pen.style() != Qt::NoPen) { + d->setDFBColor(pen.color()); + CLIPPED_PAINT(QT_PREPEND_NAMESPACE(drawRects<QRectF>)(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<QLine>)(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<QLineF>)(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); + uint blitFlags = 0; + if (image.hasAlphaChannel()) + blitFlags |= QDirectFBPaintEnginePrivate::HasAlpha; + if (QDirectFBScreen::isPremultiplied(image.format())) + blitFlags |= QDirectFBPaintEnginePrivate::Premultiplied; + d->prepareForBlit(blitFlags); + 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<QDirectFBPixmapData*>(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); + IDirectFBSurface *s = dfbData->directFBSurface(); + uint blitFlags = 0; + if (pixmap.hasAlphaChannel()) + blitFlags |= QDirectFBPaintEnginePrivate::HasAlpha; + if (QDirectFBScreen::isPremultiplied(dfbData->pixelFormat())) + blitFlags |= QDirectFBPaintEnginePrivate::Premultiplied; + + d->prepareForBlit(blitFlags); + 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<QDirectFBPixmapData*>(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 { + QTransform transform(state()->matrix); + CLIPPED_PAINT(d->drawTiledPixmap(r, pixmap, offset, transform)); + } +} + + +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: { + const QPointF &brushOrigin = state()->brushOrigin; + const QTransform stateTransform = state()->matrix; + QTransform transform(stateTransform); + transform.translate(brushOrigin.x(), brushOrigin.y()); + transform = brush.transform() * transform; + if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_Supported) + || (QDirectFBPaintEnginePrivate::getTransformationType(transform) & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported) + || (!d->supportsStretchBlit() && transform.isScaling())) { + break; + } + + const QPixmap texture = brush.texture(); + if (texture.pixmapData()->classId() != QPixmapData::DirectFBClass) + break; + + CLIPPED_PAINT(d->drawTiledPixmap(stateTransform.mapRect(rect), texture, rect.topLeft() - brushOrigin, transform)); + 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 = getTransformationType(transform); + 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_SRC_OVER); + 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; + case QPainter::CompositionMode_Destination: + surface->SetSrcBlendFunction(surface, DSBF_ZERO); + surface->SetDstBlendFunction(surface, DSBF_ONE); + break; +#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(uint flags) +{ + DFBSurfaceBlittingFlags blittingFlags = DSBLIT_NOFX; + if (flags & Premultiplied) + blittingFlags |= DSBLIT_SRC_PREMULTIPLY; + if (flags & HasAlpha) + blittingFlags |= DSBLIT_BLEND_ALPHACHANNEL; + 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<QImage&>(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, const QTransform &pixmapTransform) +{ + const QTransform &transform = q->state()->matrix; + Q_ASSERT(!(getTransformationType(transform) & Matrix_BlitsUnsupported) && + !(getTransformationType(pixmapTransform) & Matrix_BlitsUnsupported)); + 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 = pixmapTransform.inverted().map(off); + Q_ASSERT(transform.type() <= QTransform::TxScale); + QPixmapData *data = pixmap.pixmapData(); + Q_ASSERT(data->classId() == QPixmapData::DirectFBClass); + QDirectFBPixmapData *dfbData = static_cast<QDirectFBPixmapData*>(data); + IDirectFBSurface *sourceSurface = dfbData->directFBSurface(); + uint blitFlags = 0; + if (dfbData->hasAlphaChannel()) + blitFlags |= HasAlpha; + if (QDirectFBScreen::isPremultiplied(dfbData->pixelFormat())) + blitFlags |= Premultiplied; + prepareForBlit(blitFlags); + QDirectFBPaintEnginePrivate::unlock(dfbData); + const QSize pixmapSize = dfbData->size(); + if (transform.isScaling() || pixmapTransform.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() * pixmapTransform.m11(), pixmapSize.height() * pixmapTransform.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<DFBRectangle, 16> sourceRects(maxCount); + QVarLengthArray<DFBPoint, 16> 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<uint*>(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 <class T> +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<DFBRegion, 32> lineArray(n); + for (int i=0; i<n; ++i) { + const QLine l = map(transform, lines[i]); + lineArray[i].x1 = l.x1(); + lineArray[i].y1 = l.y1(); + lineArray[i].x2 = l.x2(); + lineArray[i].y2 = l.y2(); + } + surface->DrawLines(surface, lineArray.constData(), n); + } +} + +template <class T> +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<DFBRectangle, 32> rectArray(n); + for (int i=0; i<n; ++i) { + const QRect r = mapRect(transform, rects[i]); + rectArray[i].x = r.x(); + rectArray[i].y = r.y(); + rectArray[i].w = r.width(); + rectArray[i].h = r.height(); + } + surface->FillRectangles(surface, rectArray.constData(), n); + } +} + +template <class T> +static inline void drawRects(const T *rects, int n, const QTransform &transform, IDirectFBSurface *surface) +{ + for (int i=0; i<n; ++i) { + const QRect r = mapRect(transform, rects[i]); + surface->DrawRectangle(surface, r.x(), r.y(), r.width(), r.height()); + } +} + +template <typename T> inline const T *ptr(const T &t) { return &t; } +template <> inline const bool* ptr<bool>(const bool &) { return 0; } +template <typename device, typename T1, typename T2, typename T3> +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<const QWidget*>(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 |