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authorAnders Bakken <anders.bakken@nokia.com>2009-05-04 00:34:21 (GMT)
committerAnders Bakken <anders.bakken@nokia.com>2009-05-04 00:34:21 (GMT)
commitbdcdb798d2cc4dc48079622a9c3cbe61be82e80b (patch)
tree2f36536e7b75eac3bb7f6a404483e907f5d633ec /src
parent111b2c3e40cc475d561d578663565e603963d6e3 (diff)
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Implemented an option to tune flipping
export QWS_DISPLAY=directfb:boundingrectflip to enable calling Flip on the bounding rect of the dirtied area rather than each dirty rectangle. This could be faster if you update many small rectangles. Reviewed-by: TrustMe
Diffstat (limited to 'src')
-rw-r--r--src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp4
-rw-r--r--src/plugins/gfxdrivers/directfb/qdirectfbscreen.h3
-rw-r--r--src/plugins/gfxdrivers/directfb/qdirectfbsurface.cpp6
-rw-r--r--src/plugins/gfxdrivers/directfb/qdirectfbsurface.h1
4 files changed, 11 insertions, 3 deletions
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp
index f8aaa5f..c1b75c5 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.cpp
@@ -896,6 +896,10 @@ bool QDirectFBScreen::connect(const QString &displaySpec)
}
}
+ if (displayArgs.contains(QLatin1String("boundingrectflip"), Qt::CaseInsensitive)) {
+ d_ptr->directFBFlags |= BoundingRectFlip;
+ }
+
if (displayArgs.contains(QLatin1String("ignoresystemclip"), Qt::CaseInsensitive))
d_ptr->directFBFlags |= IgnoreSystemClip;
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h
index 8859d58..42d0ebe 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h
@@ -63,7 +63,8 @@ public:
NoFlags = 0x00,
VideoOnly = 0x01,
SystemOnly = 0x02,
- IgnoreSystemClip = 0x04
+ IgnoreSystemClip = 0x04,
+ BoundingRectFlip = 0x08
};
Q_DECLARE_FLAGS(DirectFBFlags, DirectFBFlag);
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbsurface.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbsurface.cpp
index 6167980..beb9b5f 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbsurface.cpp
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbsurface.cpp
@@ -50,13 +50,14 @@
//#define QT_DIRECTFB_DEBUG_SURFACES 1
-QDirectFBSurface::QDirectFBSurface(DFBSurfaceFlipFlags flip, QDirectFBScreen* scr)
+QDirectFBSurface::QDirectFBSurface(DFBSurfaceFlipFlags flip, QDirectFBScreen *scr)
: QDirectFBPaintDevice(scr)
#ifndef QT_NO_DIRECTFB_WM
, dfbWindow(0)
#endif
, engine(0)
, flipFlags(flip)
+ , boundingRectFlip(scr->directFBFlags() & QDirectFBScreen::BoundingRectFlip)
{
setSurfaceFlags(Opaque | Buffered);
#ifdef QT_DIRECTFB_TIMING
@@ -72,6 +73,7 @@ QDirectFBSurface::QDirectFBSurface(DFBSurfaceFlipFlags flip, QDirectFBScreen *sc
#endif
, engine(0)
, flipFlags(flip)
+ , boundingRectFlip(scr->directFBFlags() & QDirectFBScreen::BoundingRectFlip)
{
onscreen = widget->testAttribute(Qt::WA_PaintOnScreen);
if (onscreen)
@@ -369,7 +371,7 @@ void QDirectFBSurface::flush(QWidget *widget, const QRegion &region,
if (!(flipFlags & DSFLIP_BLIT)) {
dfbSurface->Flip(dfbSurface, 0, flipFlags);
} else {
- if (region.numRects() > 1) {
+ if (!boundingRectFlip && region.numRects() > 1) {
const QVector<QRect> rects = region.rects();
const DFBSurfaceFlipFlags nonWaitFlags = DFBSurfaceFlipFlags(flipFlags & ~DSFLIP_WAIT);
for (int i=0; i<rects.size(); ++i) {
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbsurface.h b/src/plugins/gfxdrivers/directfb/qdirectfbsurface.h
index ab4145d..54c14a5 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbsurface.h
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbsurface.h
@@ -100,6 +100,7 @@ private:
QList<QImage*> bufferImages;
DFBSurfaceFlipFlags flipFlags;
+ bool boundingRectFlip;
#ifdef QT_DIRECTFB_TIMING
int frames;
QTime timer;