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ShowFPS effect supports QPainter Compositing

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This commit is contained in:
Martin Gräßlin 2013-06-21 14:17:32 +02:00
parent dec41bbad8
commit 79358541ea
2 changed files with 63 additions and 0 deletions
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62
effects/showfps/showfps.cpp
View file

@ -168,6 +168,9 @@ void ShowFpsEffect::paintScreen(int mask, QRegion region, ScreenPaintData& data)
XSync(display(), False); // make sure all rendering is done
}
#endif
if (effects->compositingType() == QPainterCompositing) {
paintQPainter(fps);
}
m_noBenchmark->render(infiniteRegion(), 1.0, alpha);
}
@ -305,6 +308,39 @@ void ShowFpsEffect::paintXrender(int fps)
}
#endif
void ShowFpsEffect::paintQPainter(int fps)
{
QPainter *painter = effects->scenePainter();
painter->save();
QColor color(255, 255, 255);
color.setAlphaF(alpha);
painter->setCompositionMode(QPainter::CompositionMode_SourceOver);
painter->fillRect(x, y, 2 * NUM_PAINTS + FPS_WIDTH, MAX_TIME, color);
color.setRed(0);
color.setGreen(0);
painter->fillRect(x, y + MAX_TIME - fps, FPS_WIDTH, fps, color);
color.setBlue(0);
for (int i = 10; i < MAX_TIME; i += 10) {
painter->setPen(color);
painter->drawLine(x, y + MAX_TIME - i, x + FPS_WIDTH, y + MAX_TIME - i);
}
// Paint FPS graph
paintFPSGraph(x + FPS_WIDTH, y + MAX_TIME - 1);
// Paint amount of rendered pixels graph
paintDrawSizeGraph(x + FPS_WIDTH + NUM_PAINTS, y + MAX_TIME - 1);
// Paint FPS numerical value
painter->setPen(Qt::black);
painter->drawText(fpsTextRect, textAlign, QString::number(fps));
painter->restore();
}
void ShowFpsEffect::paintFPSGraph(int x, int y)
{
// Paint FPS graph
@ -457,6 +493,32 @@ void ShowFpsEffect::paintGraph(int x, int y, QList<int> values, QList<int> lines
XCB_RENDER_PICTURE_NONE, effects->xrenderBufferPicture(), 0, 0, 0, 0, x, y, values.count(), MAX_TIME);
}
#endif
if (effects->compositingType() == QPainterCompositing) {
QPainter *painter = effects->scenePainter();
painter->setPen(Qt::black);
// First draw the lines
foreach (int h, lines) {
painter->drawLine(x, y - h, x + values.count(), y - h);
}
QColor color(0, 0, 0);
color.setAlphaF(alpha);
for (int i = 0; i < values.count(); i++) {
int value = values[ i ];
if (colorize) {
if (value <= 10) {
color = QColor(0, 255, 0);
} else if (value <= 20) {
color = QColor(255, 255, 0);
} else if (value <= 50) {
color = QColor(255, 0, 0);
} else {
color = QColor(0, 0, 0);
}
}
painter->setPen(color);
painter->drawLine(x + values.count() - i, y, x + values.count() - i, y - value);
}
}
}
void ShowFpsEffect::postPaintScreen()

1
effects/showfps/showfps.h
View file

@ -77,6 +77,7 @@ private:
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
void paintXrender(int fps);
#endif
void paintQPainter(int fps);
void paintFPSGraph(int x, int y);
void paintDrawSizeGraph(int x, int y);
void paintGraph(int x, int y, QList<int> values, QList<int> lines, bool colorize);