Changes

To conclude the problems with PS2 emulation, we come to hardware rendering. The PS2’s graphics pipeline acts very differently from modern GPU cards, and emulating it in HW mode with any degree of accuracy is difficult. This is due in part to the versatility of the PS2, the fact that it doesn’t use fixed shaders, or that even the games themselves do not use a consistent formula to achieve different graphical effects. Various emulation enhancements like display resolution scaling lead to the typical “black lines glitch” because of the use of a non-integer resolution. While the OpenGL backend on PCSX2 greatly improved on many of these issues, most games still require “software rendering” to fix many common glitches, which in turn slows down the emulation. Although Games using mipmapping ([https://en.wikipedia.org/wiki/Ratchet_%26_Clank_(2002_video_game) ''Ratchet & Clank''], [https://en.wikipedia.org/wiki/Ace_Combat#Games ''Ace Combat''], etc...) and games running on the Snowblind Engine are playable in OGL HW mode with minimal problems on high-end PCs.

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