diff options
| -rw-r--r-- | src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp index c7cae80..330eb88 100644 --- a/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp +++ b/src/plugins/gfxdrivers/directfb/qdirectfbwindowsurface.cpp @@ -239,31 +239,28 @@ void QDirectFBWindowSurface::setPermanentState(const QByteArray &state) #endif } -bool QDirectFBWindowSurface::scroll(const QRegion ®ion, int dx, int dy) +static inline void scrollSurface(IDirectFBSurface *surface, const QRect &r, int dx, int dy) { - if (!dfbSurface || !(flipFlags & DSFLIP_BLIT)) - return false; - - const QVector<QRect> rects = region.rects(); - const int n = rects.size(); - - QVarLengthArray<DFBRectangle, 8> dfbRects(n); - QVarLengthArray<DFBPoint, 8> dfbPoints(n); + surface->SetBlittingFlags(surface, DSBLIT_NOFX); + const DFBRectangle rect = { r.x(), r.y(), r.width(), r.height() }; + surface->Blit(surface, surface, &rect, r.x() + dx, r.y() + dy); +} - for (int i = 0; i < n; ++i) { - const QRect r = rects.at(i); - dfbRects[i].x = r.x(); - dfbRects[i].y = r.y(); - dfbRects[i].w = r.width(); - dfbRects[i].h = r.height(); - dfbPoints[i].x = r.x() + dx; - dfbPoints[i].y = r.y() + dy; - } +bool QDirectFBWindowSurface::scroll(const QRegion ®ion, int dx, int dy) +{ + if (!dfbSurface || !(flipFlags & DSFLIP_BLIT) || region.isEmpty()) + return false; dfbSurface->SetBlittingFlags(dfbSurface, DSBLIT_NOFX); - dfbSurface->BatchBlit(dfbSurface, dfbSurface, - dfbRects.data(), dfbPoints.data(), n); - dfbSurface->ReleaseSource(dfbSurface); + if (region.numRects() == 1) { + ::scrollSurface(dfbSurface, region.boundingRect(), dx, dy); + } else { + const QVector<QRect> rects = region.rects(); + const int n = rects.size(); + for (int i=0; i<n; ++i) { + ::scrollSurface(dfbSurface, rects.at(i), dx, dy); + } + } return true; } |