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On 2007-07-08, Matthew Leverton <meffer@xxxxxxxxxx> wrote:
> On 7/8/07, Matthew Leverton <meffer@xxxxxxxxxx> wrote:
> > To sum it up, there is a problem with the GDI driver blitting a
> > rectangle smaller than the bitmap's height that touches the bottom
> > left corner of a bitmap. The attached patch fixes it. (Only tested
> > under Vista.)
> >
> Attached is an alternative patch that only uses flipped blitting when
> needed. While I didn't notice any performance differences with the
> demo, the person reporting the problem said the new blitting dropped
> his fps from 250 to 180. The either-or case (as attached now) only
> dropped it to 240. [Note that we are probably comparing different
> compilers with the 250 to 240 numbers.]
I committed this version.
Peter