Jeff Muizelaar <jmuizel...@mozilla.com> writes: > Siarhei wrote this patch and we've been using it in the Mozilla tree since > May. > > Before this patch it was often faster to scale and repeat in two > passes because each pass used a fast path vs. the slow path that the > single pass approach takes. This makes it so that the single pass > approach has competitive performance. > > > commit 8ab69ca521a4d0c47b5fcb2c200d21d661acd195 > Author: Siarhei Siamashka <siarhei.siamas...@gmail.com> > Date: Mon Jun 25 22:36:52 2012 -0400 > > Add scaled nearest repeat fast paths > > Before this patch it was often faster to scale and repeat > in two passes because each pass used a fast path vs. > the slow path that the single pass approach takes. This > makes it so that the single pass approach has competitive > performance.
I think we need a bit of explanation what the difference between max_vx and src_width_fixed is. Some performance measurements would be useful too. > --- a/pixman/pixman-fast-path.c > +++ b/pixman/pixman-fast-path.c > @@ -1414,13 +1414,13 @@ scaled_nearest_scanline_565_565_SRC (uint16_t * > dst, > uint16_t tmp1, tmp2, tmp3, tmp4; > while ((w -= 4) >= 0) > { > - tmp1 = src[pixman_fixed_to_int (vx)]; > + tmp1 = *(src + pixman_fixed_to_int (vx)); What is the purpose of these changes? There are several instances of it. Søren _______________________________________________ Pixman mailing list Pixman@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/pixman