[Bug 14939] Black & White: DXTC to ARGB converter not implemented

wine-bugs at winehq.org wine-bugs at winehq.org
Sat Dec 4 12:03:39 CST 2010


http://bugs.winehq.org/show_bug.cgi?id=14939

--- Comment #18 from Itzamna <xamaniqinqu at gmail.com> 2010-12-04 12:03:38 CST ---
Created an attachment (id=32355)
 --> (http://bugs.winehq.org/attachment.cgi?id=32355)
Implements DXT1 to ARGB4444 texture conversion. Tested against commit
b898130a114f1baf24f717ab0c5f9a65030c5283.

I have written a patch implementing DXT1 to ARGB4444 texture conversion. I
pushed for inclusion in mainline, but was told this algorithm is patented. I
decided to give VIA and S3 the privilege of sitting on my finger and write this
patch anyway. Then I pushed the patent to the ground and had my way with it
thoroughly. It wasn't as pleasant for the patent as it was for me.

More patches are coming, most notably to implement XRGB1555 to DXT1, DXT1 to
XRGB1555 and DXT3 to ARGB4444 texture conversion. The patches handling XRGB1555
textures will fix the crash upon finishing the temple in land 1.

I advise anyone who wishes to try this to check out commit
b898130a114f1baf24f717ab0c5f9a65030c5283, since the commit after it (   
7e3985e1fea60da73bae2b9465b94e5d110909fc) causes left / right mouse button
clicks to be ignored in Black & White.

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