diff options
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp | 212 |
1 files changed, 77 insertions, 135 deletions
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp index 452ee48..f72b0da 100644 --- a/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp +++ b/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp @@ -196,10 +196,10 @@ public: void setPen(const QPen &pen); void setBrush(const QBrush &brush); void setCompositionMode(QPainter::CompositionMode mode); - void setOpacity(const qreal value); + void setOpacity(quint8 value); void setRenderHints(QPainter::RenderHints hints); - inline void setDFBColor(const QColor &color) const; + inline void setDFBColor(const QColor &color); inline void lock(); inline void unlock(); @@ -222,14 +222,14 @@ public: void drawTiledPixmap(const QRectF &dest, const QPixmap &pixmap); void drawImage(const QRectF &dest, const QImage &image, const QRectF &src); - void updateClip(); - void updateFlags(); + inline void updateClip(); inline void setClipDirty(); void systemStateChanged(); //Needed to be notified when system clip changes void begin(QPaintDevice *device); void end(); + void prepareForBlit(bool alpha); SurfaceCache *surfaceCache; QTransform transform; int lastLockedHeight; @@ -244,10 +244,9 @@ private: quint8 opacity; - quint32 drawFlags; - quint32 blitFlags; - quint32 duffFlags; - bool dirtyFlags; + quint32 drawFlagsFromCompositionMode, blitFlagsFromCompositionMode; + DFBSurfacePorterDuffRule porterDuffRule; + bool dirtyClip; bool dfbHandledClip; QDirectFBPaintDevice *dfbDevice; @@ -258,8 +257,9 @@ private: QDirectFBPaintEnginePrivate::QDirectFBPaintEnginePrivate(QDirectFBPaintEngine *p) : surface(0), antialiased(false), forceRasterPrimitives(false), simplePen(false), simpleBrush(false), matrixRotShear(false), matrixScale(false), lastLockedHeight(-1), - fbWidth(-1), fbHeight(-1), opacity(255), drawFlags(0), blitFlags(0), duffFlags(0), - dirtyFlags(false), dirtyClip(true), dfbHandledClip(false), dfbDevice(0), q(p) + fbWidth(-1), fbHeight(-1), opacity(255), drawFlagsFromCompositionMode(0), + blitFlagsFromCompositionMode(0), porterDuffRule(DSPD_SRC_OVER), dirtyClip(true), + dfbHandledClip(false), dfbDevice(0), q(p) { fb = QDirectFBScreen::instance()->dfb(); surfaceCache = new SurfaceCache; @@ -295,7 +295,6 @@ void QDirectFBPaintEnginePrivate::setClipDirty() dirtyClip = true; } - void QDirectFBPaintEnginePrivate::lock() { // We will potentially get a new pointer to the buffer after a @@ -345,11 +344,8 @@ void QDirectFBPaintEnginePrivate::begin(QPaintDevice *device) setTransform(QTransform()); antialiased = false; - drawFlags = DSDRAW_BLEND; - blitFlags = DSBLIT_BLEND_ALPHACHANNEL; - duffFlags = DSPD_SRC_OVER; opacity = 255; - dirtyFlags = true; + setCompositionMode(q->state()->compositionMode()); dirtyClip = true; setPen(q->state()->pen); setDFBColor(pen.color()); @@ -382,91 +378,72 @@ void QDirectFBPaintEnginePrivate::setBrush(const QBrush &b) void QDirectFBPaintEnginePrivate::setCompositionMode(QPainter::CompositionMode mode) { - drawFlags &= ~(DSDRAW_XOR); - blitFlags &= ~(DSBLIT_XOR); - - // TODO: check these mappings!!!! - quint32 duff = DSPD_NONE; - quint32 blit = blitFlags; + blitFlagsFromCompositionMode = DSBLIT_NOFX; + drawFlagsFromCompositionMode = DSDRAW_NOFX; + bool blend = true; switch (mode) { case QPainter::CompositionMode_SourceOver: - duff = DSPD_SRC_OVER; - blit |= DSBLIT_BLEND_ALPHACHANNEL; + porterDuffRule = DSPD_SRC_OVER; break; case QPainter::CompositionMode_DestinationOver: - duff = DSPD_DST_OVER; - blit |= DSBLIT_BLEND_ALPHACHANNEL; + porterDuffRule = DSPD_DST_OVER; break; case QPainter::CompositionMode_Clear: - duff = DSPD_CLEAR; - blit &= ~DSBLIT_BLEND_ALPHACHANNEL; + porterDuffRule = DSPD_CLEAR; + blend = false; break; case QPainter::CompositionMode_Source: - duff = DSPD_SRC; - blit &= ~DSBLIT_BLEND_ALPHACHANNEL; + porterDuffRule = DSPD_SRC; + blend = false; break; case QPainter::CompositionMode_Destination: - blit &= ~DSBLIT_BLEND_ALPHACHANNEL; + porterDuffRule = DSPD_NONE; // ### need to double check this + blend = false; return; case QPainter::CompositionMode_SourceIn: - duff = DSPD_SRC_IN; - blit |= DSBLIT_BLEND_ALPHACHANNEL; + porterDuffRule = DSPD_SRC_IN; break; case QPainter::CompositionMode_DestinationIn: - duff = DSPD_DST_IN; - blit |= DSBLIT_BLEND_ALPHACHANNEL; + porterDuffRule = DSPD_DST_IN; break; case QPainter::CompositionMode_SourceOut: - duff = DSPD_SRC_OUT; - blit |= DSBLIT_BLEND_ALPHACHANNEL; + porterDuffRule = DSPD_SRC_OUT; break; case QPainter::CompositionMode_DestinationOut: - duff = DSPD_DST_OUT; - blit |= DSBLIT_BLEND_ALPHACHANNEL; - break; - case QPainter::CompositionMode_SourceAtop: - duff = DSPD_SRC_OVER; - blit |= DSBLIT_BLEND_ALPHACHANNEL; - break; - case QPainter::CompositionMode_DestinationAtop: - duff = DSPD_DST_OVER; + porterDuffRule = DSPD_DST_OUT; break; case QPainter::CompositionMode_Xor: - duff = DSPD_NONE; - blit |= DSBLIT_BLEND_ALPHACHANNEL; - drawFlags |= DSDRAW_XOR; - blit |= DSBLIT_XOR; - dirtyFlags = true; + porterDuffRule = DSPD_XOR; + blitFlagsFromCompositionMode |= DSBLIT_XOR; + drawFlagsFromCompositionMode |= DSDRAW_XOR; break; +// case QPainter::CompositionMode_Plus: // ??? +// porterDuffRule = DSPD_ADD; +// break; default: qWarning("QDirectFBPaintEnginePrivate::setCompositionMode(): " "mode %d not implemented", mode); - break; + return; } - - if (duff != duffFlags || blit != blitFlags) { - duffFlags = duff; - blitFlags = blit; - dirtyFlags = true; + // intentially not comparing with current porterDuffRule. surface might have changed. + if (blend) { + blitFlagsFromCompositionMode |= DSBLIT_BLEND_ALPHACHANNEL; + drawFlagsFromCompositionMode |= DSDRAW_BLEND; + } + if (opacity != 255) { + setOpacity(opacity); } } -void QDirectFBPaintEnginePrivate::setOpacity(const qreal value) +void QDirectFBPaintEnginePrivate::setOpacity(quint8 opacity) { - const bool wasOpaque = (opacity == 255); - opacity = quint8(value * 255); - const bool opaque = (opacity == 255); - - if (opaque == wasOpaque) - return; - - if (opaque) - blitFlags &= ~(DSBLIT_BLEND_COLORALPHA | DSBLIT_SRC_PREMULTCOLOR); - else - blitFlags |= (DSBLIT_BLEND_COLORALPHA | DSBLIT_SRC_PREMULTCOLOR); - - dirtyFlags = true; + if (opacity == 255) { + // ### need to check this stuff + blitFlagsFromCompositionMode &= ~(DSBLIT_BLEND_COLORALPHA | DSBLIT_SRC_PREMULTCOLOR); + } else { + blitFlagsFromCompositionMode |= (DSBLIT_BLEND_COLORALPHA | DSBLIT_SRC_PREMULTCOLOR); + } } void QDirectFBPaintEnginePrivate::setRenderHints(QPainter::RenderHints hints) @@ -478,22 +455,33 @@ void QDirectFBPaintEnginePrivate::setRenderHints(QPainter::RenderHints hints) } } -void QDirectFBPaintEnginePrivate::updateFlags() +void QDirectFBPaintEnginePrivate::prepareForBlit(bool alpha) { - if (!dirtyFlags) - return; - surface->SetDrawingFlags(surface, DFBSurfaceDrawingFlags(drawFlags)); - surface->SetBlittingFlags(surface, DFBSurfaceBlittingFlags(blitFlags)); - surface->SetPorterDuff(surface, DFBSurfacePorterDuffRule(duffFlags)); - dirtyFlags = false; + quint32 blittingFlags = blitFlagsFromCompositionMode; + if (!alpha) { + blittingFlags &= ~DSBLIT_BLEND_ALPHACHANNEL; + surface->SetPorterDuff(surface, DSPD_NONE); + } else { + surface->SetPorterDuff(surface, porterDuffRule); + } + surface->SetColor(surface, 0xff, 0xff, 0xff, opacity); + surface->SetBlittingFlags(surface, DFBSurfaceBlittingFlags(blittingFlags)); } -void QDirectFBPaintEnginePrivate::setDFBColor(const QColor &color) const +void QDirectFBPaintEnginePrivate::setDFBColor(const QColor &color) { + Q_ASSERT(surface); const quint8 alpha = (opacity == 255 ? color.alpha() : ALPHA_MUL(color.alpha(), opacity)); surface->SetColor(surface, color.red(), color.green(), color.blue(), alpha); + quint32 drawingFlags = drawFlagsFromCompositionMode; + if (alpha == 255) { + drawingFlags &= ~DSDRAW_BLEND; + } + surface->SetPorterDuff(surface, DSPD_NONE); + // PorterDuff messes up alpha values for primitives + surface->SetDrawingFlags(surface, DFBSurfaceDrawingFlags(drawingFlags)); } void QDirectFBPaintEnginePrivate::drawLines(const QLine *lines, int n) const @@ -601,15 +589,7 @@ void QDirectFBPaintEnginePrivate::drawPixmap(const QRectF &dest, const QPixmap &pixmap, const QRectF &src) { - surface->SetColor(surface, 0xff, 0xff, 0xff, opacity); - - const bool changeFlags = !pixmap.hasAlphaChannel() - && (blitFlags & DSBLIT_BLEND_ALPHACHANNEL); - if (changeFlags) { - quint32 flags = blitFlags & ~DSBLIT_BLEND_ALPHACHANNEL; - surface->SetBlittingFlags(surface, DFBSurfaceBlittingFlags(flags)); - } - + prepareForBlit(pixmap.hasAlphaChannel()); QPixmapData *data = pixmap.pixmapData(); Q_ASSERT(data->classId() == QPixmapData::DirectFBClass); QDirectFBPixmapData *dfbData = static_cast<QDirectFBPixmapData*>(data); @@ -627,22 +607,12 @@ void QDirectFBPaintEnginePrivate::drawPixmap(const QRectF &dest, } if (result != DFB_OK) DirectFBError("QDirectFBPaintEngine::drawPixmap()", result); - if (changeFlags) - surface->SetBlittingFlags(surface, DFBSurfaceBlittingFlags(blitFlags)); } void QDirectFBPaintEnginePrivate::drawTiledPixmap(const QRectF &dest, const QPixmap &pixmap) { - surface->SetColor(surface, 0xff, 0xff, 0xff, opacity); - - const bool changeFlags = !pixmap.hasAlphaChannel() - && (blitFlags & DSBLIT_BLEND_ALPHACHANNEL); - if (changeFlags) { - quint32 flags = blitFlags & ~DSBLIT_BLEND_ALPHACHANNEL; - surface->SetBlittingFlags(surface, DFBSurfaceBlittingFlags(flags)); - } - + prepareForBlit(pixmap.hasAlphaChannel()); QPixmapData *data = pixmap.pixmapData(); Q_ASSERT(data->classId() == QPixmapData::DirectFBClass); QDirectFBPixmapData *dfbData = static_cast<QDirectFBPixmapData*>(data); @@ -688,9 +658,6 @@ void QDirectFBPaintEnginePrivate::drawTiledPixmap(const QRectF &dest, if (result != DFB_OK) DirectFBError("QDirectFBPaintEngine::drawTiledPixmap()", result); - - if (changeFlags) - surface->SetBlittingFlags(surface, DFBSurfaceBlittingFlags(blitFlags)); } void QDirectFBPaintEnginePrivate::drawImage(const QRectF &dest, @@ -739,14 +706,7 @@ void QDirectFBPaintEnginePrivate::drawImage(const QRectF &dest, const QRect dr = transform.mapRect(dest).toRect(); const DFBRectangle sRect = { sr.x(), sr.y(), sr.width(), sr.height() }; - surface->SetColor(surface, 0xff, 0xff, 0xff, opacity); - - const bool changeFlags = !image.hasAlphaChannel() - && (blitFlags & DSBLIT_BLEND_ALPHACHANNEL); - if (changeFlags) { - quint32 flags = blitFlags & ~DSBLIT_BLEND_ALPHACHANNEL; - surface->SetBlittingFlags(surface, DFBSurfaceBlittingFlags(flags)); - } + prepareForBlit(image.hasAlphaChannel()); if (dr.size() == sr.size()) { surface->Blit(surface, imgSurface, &sRect, dr.x(), dr.y()); } else { @@ -754,8 +714,6 @@ void QDirectFBPaintEnginePrivate::drawImage(const QRectF &dest, dr.width(), dr.height() }; surface->StretchBlit(surface, imgSurface, &sRect, &dRect); } - if (changeFlags) - surface->SetBlittingFlags(surface, DFBSurfaceBlittingFlags(blitFlags)); if (doRelease) { surface->ReleaseSource(surface); imgSurface->Release(imgSurface); @@ -850,8 +808,7 @@ void QDirectFBPaintEngine::brushChanged() void QDirectFBPaintEngine::opacityChanged() { Q_D(QDirectFBPaintEngine); - d->setOpacity(state()->opacity); - + d->setOpacity(quint8(state()->opacity * 255)); QRasterPaintEngine::opacityChanged(); } @@ -859,7 +816,6 @@ void QDirectFBPaintEngine::compositionModeChanged() { Q_D(QDirectFBPaintEngine); d->setCompositionMode(state()->compositionMode()); - QRasterPaintEngine::compositionModeChanged(); } @@ -888,7 +844,7 @@ void QDirectFBPaintEngine::setState(QPainterState *s) d->setClipDirty(); d->setPen(state()->pen); d->setBrush(state()->brush); - d->setOpacity(state()->opacity); + d->setOpacity(quint8(state()->opacity * 255)); d->setCompositionMode(state()->compositionMode()); d->setTransform(state()->transform()); } @@ -930,12 +886,10 @@ void QDirectFBPaintEngine::drawRects(const QRect *rects, int rectCount) d->unlock(); if (d->brush != Qt::NoBrush) { - d->updateFlags(); d->setDFBColor(d->brush.color()); d->fillRects(rects, rectCount); } if (d->pen != Qt::NoPen) { - d->updateFlags(); d->setDFBColor(d->pen.color()); d->drawRects(rects, rectCount); } @@ -955,12 +909,10 @@ void QDirectFBPaintEngine::drawRects(const QRectF *rects, int rectCount) d->unlock(); if (d->brush != Qt::NoBrush) { - d->updateFlags(); d->setDFBColor(d->brush.color()); d->fillRects(rects, rectCount); } if (d->pen != Qt::NoPen) { - d->updateFlags(); d->setDFBColor(d->pen.color()); d->drawRects(rects, rectCount); } @@ -978,7 +930,6 @@ void QDirectFBPaintEngine::drawLines(const QLine *lines, int lineCount) if (d->pen != Qt::NoPen) { d->unlock(); - d->updateFlags(); d->setDFBColor(d->pen.color()); d->drawLines(lines, lineCount); } @@ -996,7 +947,6 @@ void QDirectFBPaintEngine::drawLines(const QLineF *lines, int lineCount) if (d->pen != Qt::NoPen) { d->unlock(); - d->updateFlags(); d->setDFBColor(d->pen.color()); d->drawLines(lines, lineCount); } @@ -1022,7 +972,6 @@ void QDirectFBPaintEngine::drawImage(const QRectF &r, const QImage &image, #ifndef QT_NO_DIRECTFB_PREALLOCATED d->unlock(); - d->updateFlags(); d->drawImage(r, image, sr); #endif } @@ -1041,15 +990,12 @@ void QDirectFBPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pixmap, if (pixmap.pixmapData()->classId() != QPixmapData::DirectFBClass) { d->lock(); QRasterPaintEngine::drawPixmap(r, pixmap, sr); - } - else if (!d->dfbCanHandleClip(r) || d->matrixRotShear) { + } else if (!d->dfbCanHandleClip(r) || d->matrixRotShear) { const QImage *img = static_cast<QDirectFBPixmapData*>(pixmap.pixmapData())->buffer(); d->lock(); QRasterPaintEngine::drawImage(r, *img, sr); - } - else { + } else { d->unlock(); - d->updateFlags(); d->drawPixmap(r, pixmap, sr); } } @@ -1068,18 +1014,15 @@ void QDirectFBPaintEngine::drawTiledPixmap(const QRectF &r, if (pixmap.pixmapData()->classId() != QPixmapData::DirectFBClass) { d->lock(); QRasterPaintEngine::drawTiledPixmap(r, pixmap, sp); - } - else if (!d->dfbCanHandleClip(r) || d->matrixRotShear || !sp.isNull()) { + } else if (!d->dfbCanHandleClip(r) || d->matrixRotShear || !sp.isNull()) { const QImage *img = static_cast<QDirectFBPixmapData*>(pixmap.pixmapData())->buffer(); d->lock(); QRasterPixmapData *data = new QRasterPixmapData(QPixmapData::PixmapType); data->fromImage(*img, Qt::AutoColor); const QPixmap pix(data); QRasterPaintEngine::drawTiledPixmap(r, pix, sp); - } - else { + } else { d->unlock(); - d->updateFlags(); d->drawTiledPixmap(r, pixmap); } } @@ -1162,7 +1105,6 @@ void QDirectFBPaintEngine::fillRect(const QRectF &rect, const QBrush &brush) if (d->forceRasterPrimitives) break; d->unlock(); - d->updateFlags(); d->setDFBColor(brush.color()); const QRect r = d->transform.mapRect(rect).toRect(); d->surface->FillRectangle(d->surface, r.x(), r.y(), @@ -1172,7 +1114,6 @@ void QDirectFBPaintEngine::fillRect(const QRectF &rect, const QBrush &brush) if (state()->brushOrigin == QPointF() && brush.transform().isIdentity()) { //could handle certain types of brush.transform() E.g. scale d->unlock(); - d->updateFlags(); d->drawTiledPixmap(rect, brush.texture()); return; } @@ -1194,7 +1135,6 @@ void QDirectFBPaintEngine::fillRect(const QRectF &rect, const QColor &color) QRasterPaintEngine::fillRect(rect, color); } else { d->unlock(); - d->updateFlags(); d->setDFBColor(color); const QRect r = d->transform.mapRect(rect).toRect(); d->surface->FillRectangle(d->surface, r.x(), r.y(), @@ -1224,6 +1164,7 @@ void QDirectFBPaintEngine::drawColorSpans(const QSpan *spans, int count, } else { DFBSpan span = { spans[i].x, spans[i].len }; uint c = BYTE_MUL(color, spans[i].coverage); + // ### how does this play with setDFBColor d->surface->SetColor(d->surface, qRed(c), qGreen(c), qBlue(c), qAlpha(c)); d->surface->FillSpans(d->surface, spans[i].y, &span, 1); @@ -1244,6 +1185,7 @@ void QDirectFBPaintEngine::drawBufferSpan(const uint *buffer, int bufsize, { 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); |