X3100 performance issue

[Richard Goedeken]

>> However now alpha blending appears to be broken.  When testing both in 
>> fullscreen and windowed mode, all or most of the output window will be covered 
>> by a black rectangle, with only one side or corner visible (or none at all 
>> visible).  Also in the emulator, for sprites which are rendered with an alpha 
>> channel to mask the opaque part of the sprite, the transparent part is rendered 
>> as black rather than transparent.
> 
> Yeah, we saw that on Friday, but didn't stop to fix it, I'm afraid. It
> would be great if you could use git-bisect to figure out which patch
> caused the problem.

On further testing I found that these are actually 2 separate problems.  The 
problem with the drawing rectangle was identified in the last email.  When I 
patched the drawing rectangle state upload back into my local code, that problem 
was fixed but the problem with alpha blending still exists.  I guess I'll have 
to do another bisect tonight to find the source of this.

Richard