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Regression from v0.9.8-219-g4714574 with bad mipmap sizes. #5796

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LunaMoo opened this issue Apr 4, 2014 · 1 comment
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Regression from v0.9.8-219-g4714574 with bad mipmap sizes. #5796

LunaMoo opened this issue Apr 4, 2014 · 1 comment

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@LunaMoo
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LunaMoo commented Apr 4, 2014

Initially I tested it with framebuffer-clut branch and thought it caused it, but actually the problem was caused by v0.9.8-219-g4714574 Fix GL context creation on Windows. Was creating 3.1 contexts on new nVidia drivers.
I'm on AMD gpu, before this commit, the water had it's problems with animation, but now it also has an extra glitch in form of gray/black rectangles showing up in the textures:
macross regression
The gray rectangle doubles in size from time to time(in both dimensions), the black one also disappears from time to time along with water animation changing.

This might just be general AMD issue not just macross, althrough I didn't notice any issues in other games(yet).
Here's my gpu showing now:
hd5670
Previously it was showing
hd5670 before

Edit: I noticed that disabling mipmapping fixes this. Now I recall the game did had some serious water texture problem with mipmapping earlier, because it uses bad mipmap sizes. It was fixed back then by 9c4d946
v0.9.7.1-37-g9c4d946 Henrik Rydgard 2014-02-17 11:42:03 Detect bad mipmap sizes, autogen mipmaps in this case. Might help part of #2603(outrun)

Renamed the issue to point into this.

Edit:
I used latest stable catalyst(13.12) while having this problem which I like as it never crashed even with options like catalyst AI which seems problematic for lots of people:P, but anyway after updating to beta driver(catalyst 14.3) the issue disappeared. My gpu is still seen same as before updating on new ppsspp version, so it might had been some weird driver issue. I'll just close this ~ sorry for bothering:).

@LunaMoo LunaMoo changed the title Regression from v0.9.8-219-g4714574 in Macross games. Regression from v0.9.8-219-g4714574 with bad mipmap sizes. Apr 4, 2014
@LunaMoo LunaMoo closed this as completed Apr 4, 2014
@hrydgard
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hrydgard commented Apr 5, 2014

Certainly looks like a driver issue, so let's assume it is, indeed.

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