Graphics driver weirdness.. certain apps causing issues with landscape graphics

[bast525]

I can do one better. I figured it was some combination of things at first too, so as an experiment I did do a full hard reset to eliminate as many variables as possible. Now, since I installed Coreplayer to my memory card, it persists after a hard reset. I dont even need to reinstall it, I can just navigate to the exe and launch it. Same goes for SK Tools Lite.

So, here are steps I did to demonstrate this issue:

- Hard reset
- Open file explorer, navigate to program files on storage card, launch SK Tools Lite
- Run "Draw Bitmaps" benchmark in portrait and landscape. Both give a score of about 200 and the animation is smooth. Close SK tools
- Open Opera, force landscape,load a page and zoom in. Scrolling around the page, the animation is smooth, open Resco Photo Viewer Beta, scroll through pictures in landscape, animation is very smooth
- Navigate to Coreplayer folder and launch it. Immediately close back out of it
- Repeat tests with SK Tools, portrait still scores about 200, landscape scores about 130 and the animation is much choppier with visible tearing. Close SK Tools
- Repeat test with Opera, scrolling around in landscape is choppier and there is visible tearing. Open Resco Photo Viewer, scrolling through photos in landscape is VERY choppy with lots of visible tearing
- Open Camera. Close back out of it immediately. Re-run benchmarks, results back to normal, scrolling in Opera and Resco once again smooth
- Run the D3D Demo from the storage card, it barely runs... less than 1 FPS
- Install At0mAng D3D driver, soft reset
- Run D3D Demo, runs very nicely
- Repeat above tests with SK, photo viewer and Opera, before and after launching Coreplayer, results exactly the same as above, landscape performance lags after Coreplayer opened, goes back to normal after camera opened
- Install S2U2 and soft reset. Rerun tests, results normal.
- Switch S2U2 to run in RawBuffer mode, repeat tests, landscape performance lags
- Switch back to DirectDraw, run and close camera app, repeat tests, all results back to normal