ePSXe Subpixel Precision on Various Games
59Info: PSX Emulation on Android
Device: Nvidia Shield Tablet (Lollipop)
Software: ePSXe 1.9.27
Settings: OpenGL V7 plugin, Subpixel Precision enabled/disabled
Games Tested: Final Fantasy IX, Tomb Raider III, Resident Evil 2, Xenogears
Summary: With the recent update to the Playstation 1 emulator ePSXe, a new option has been added to the graphics rendering. Subpixel Rendering is supposed to reduce the noticeable issue of low precision fixed-point math that limited the original PSX hardware. If you've ever played a game like Final Fantasy IX and noticed that the characters wobbled or 3d floor grounds wobbling, that's where the low precision shows issues. This option reduces a lot of the wobbly characters and textures in 3d games especially when using the OpenGL plugin with higher resolution rendering. The video shows how much of a difference it makes in a few games. They are marked as either enabled or disabled. The difference is quite remarkable. This option ranks as one of the best additions to the emulator, but it comes with some performance cost as it's quite CPU heavy. There are a few games I've tried that show significant slowdown with it enabled even on the Shield Tablet. I'm betting the new X1 devices will fair a lot better with a better CPU.
Note: There are some rendering errors, but that's because I'm loading from a savestate. The rendering is fine loading from a regular save. Also, enable Annotations if you want to see which section of video has the precision option enabled or disabled. The first video is with it enabled and it's secondary part is disabled.
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