I like the idea of sub-pixel precision,
but I have a few remarks.

What about DFBSurfaceDrawingFlags?
/* no fixed point support in software rasterizer yet *
so no fall-back, meaning setting the flag has no effect? I would at least expect some means of feed-back about the lacking of this capability, or a partial implementation to at least have some kind of benefit, or am I missing a point here.. Does this work for IDirectFBWindow as well, or only for blits via SetBlittingFlags? Preferably, this is implemented on Surface Level, but that's a whole lotta work.

Also curious what other people may think.
Are there other chips also supporting a feature like this?

Greets
Niels

Andre DRASZIK wrote:
On Wed, 2009-08-19 at 10:26 +0100, Andre Draszik wrote:
On Tue, 2009-08-18 at 20:36 +0100, Andre Draszik wrote:
3) add fixed point 16.16 support to blit operations
Argh, I made a mistake while rebasing - the 16.16 fixed point was
missing one change.
Attached is the fixed version which supersedes the previous one.

Another update - only deny source width/height <= 0 BatchStretchBlits
instead of anything < 1.

Any comments on this fixed point thing?


Cheers,
Andre'

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