Fix infinite loop due to FPU limitation

Bug detected with animatedtiles in example/animation.
In qpa mode, using some specific resolution of directfb such as
800x600 causes a bug in FillRectF where there is an infinite loop due
to scalabilty of qreal value: One is rounded and the other not.

Change-Id: I0a9c902889f589d669f60ff1b71fdc5266143826
Reviewed-by: Holger Freyther <holger+qt@freyther.de>
Reviewed-by: Jørgen Lind <jorgen.lind@nokia.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gui/painting/qpaintengine_blitter.cpp b/src/gui/painting/qpaintengine_blitter.cpp
index 0b95842..c0c9dd0 100644
--- a/src/gui/painting/qpaintengine_blitter.cpp
+++ b/src/gui/painting/qpaintengine_blitter.cpp
@@ -512,12 +512,12 @@ void QBlitterPaintEngine::fillRect(const QRectF &rect, const QBrush &brush)
                 }
             }
             x+=blitWidth;
-            if (x >= transformedRect.right()) {
+            if (qFuzzyCompare(x, transformedRect.right())) {
                 x = transformedRect.x();
                 srcX = startX;
                 srcY = 0;
                 y += blitHeight;
-                if (y >= transformedRect.bottom())
+                if (qFuzzyCompare(y, transformedRect.bottom()))
                     rectIsFilled = true;
             } else
                 srcX = 0;