> When benchmarking DirectFB, I found that a typical software alpha
> blending rectangle fill is completely dominated (I'm talking 90% of the
> CPU cycles here) by the time it takes to read pixels from the
> framebuffer.
Note the SOFTWARE alpha blending rectangle fill. You are passing alot of
da
> When benchmarking DirectFB, I found that a typical software alpha
> blending rectangle fill is completely dominated (I'm talking 90% of the
> CPU cycles here) by the time it takes to read pixels from the
> framebuffer.
I would expect that. Guess why X11 is designed not to do this.
> The pixels
When benchmarking DirectFB, I found that a typical software alpha
blending rectangle fill is completely dominated (I'm talking 90% of the
CPU cycles here) by the time it takes to read pixels from the
framebuffer.
The pixels are read linearly in chunks of aligned 32-bit words. It's a
Geforce 2 GT
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