QRect KisQPainterCanvas::updateCanvasProjection(KisUpdateInfoSP info)
{
/**
* It might happen that the canvas type is switched while the
* update info is being stuck in the Qt's signals queue. Than a wrong
* type of the info may come. So just check it here.
*/
bool isPPUpdateInfo = dynamic_cast<KisPPUpdateInfo*>(info.data());
if (isPPUpdateInfo) {
m_d->prescaledProjection->recalculateCache(info);
return info->dirtyViewportRect();
} else {
return QRect();
}
}
QRect KisOpenGLCanvas2::updateCanvasProjection(KisUpdateInfoSP info)
{
// See KisQPainterCanvas::updateCanvasProjection for more info
bool isOpenGLUpdateInfo = dynamic_cast<KisOpenGLUpdateInfo*>(info.data());
if (isOpenGLUpdateInfo) {
d->openGLImageTextures->recalculateCache(info);
}
#ifdef Q_OS_OSX
/**
* There is a bug on OSX: if we issue frame redraw before the tiles finished
* uploading, the tiles will become corrupted. Depending on the GPU/driver
* version either the tile itself, or its mipmaps will become totally
* transparent.
*/
glFinish();
#endif
return QRect(); // FIXME: Implement dirty rect for OpenGL
}
