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| {{~}}<ref group=N3 name=PlayStationOriginals>No PSX backwards compatible game has trophy support or enhancements for PS2/PS3 or PSP/Vita via these official emulators. But [[Wikipedia:High-definition_remasters_for_PlayStation_consoles#PlayStation_4|PSX games that received HD '''ports''' for PS4]], do.</ref>
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| [[PGXP#Parallel.2FPrecision_Geometry_Transform_Pipeline|Parallel/Precision Geometry Transform Pipeline]]
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| {{~}}<ref group=N3 name=BeetleHW></ref>
===Parallel/Precision Geometry Transform Pipeline===
PGXP (Parallel/Precision Geometry Transform Pipeline) is an enhancement for PlayStation emulation that produces high precision fully 3D geometry data that was not available on the original console hardware.
Features
* High Precision Vertex Data (more stable geometry)
* Reduced Triangle Culling (more detailed models)
* Perspective Correct Texture Mapping (reduced texture distortion)
First, it introduces subpixel precision to eliminate the wobbling polygon issues. Second, it adds perspective correct texturing to stop the ‘texture warping/dancing’ issues.
*For mednafen, [[PGXP]] only available to libretro's "beetle-psx-'''hw'''-libretro" (mednafen_psx_'''hw'''_libretro) core but comes with significant [https://docs.libretro.com/library/beetle_psx_hw/#compatibility issues].
*Recommended to use DuckStation for [[PGXP]]; otherwise use the [https://mednafen.github.io/releases/ mednafen standalone] or [https://buildbot.libretro.com/nightly/ Beetle '''SW''' (mednafen_psx_libretro)].
