On Wed, Aug 29, 2012 at 10:19:05AM +0200, Samuel Rødal wrote:
> On 08/29/2012 09:53 AM, ext song.7@nokia.com wrote:
>
> Are you also scaling or transforming the image? 30-50ms seems a bit much
> for just a blend operation as you say.
converting color format and depth? Do you have an example t
On 08/29/2012 09:53 AM, ext song.7@nokia.com wrote:
> Hi,
>
>
>
> We found that QPainer::drawImage takes 30~50ms for one 150*114 image, it
> seems a little slow.
>
>
>
> One quick optimization to try is: we want to do the memory copy to the
> backing store buffer directly instead of usi
Hi,
We found that QPainer::drawImage takes 30~50ms for one 150*114 image, it seems
a little slow.
One quick optimization to try is: we want to do the memory copy to the backing
store buffer directly instead of using the PaintRasterEngine.
So from Qt, is there a helper function can copy the memo