As you can see the mxl 2.0 trailer,there is one noticeable video improve to support upscale to 4K resolution.
It is archivable via CNC-DDraw and i will share some brief note about how to use CNC-DDraw with mxl 2.0 and only 2.0.
CNC-DDraw homepage : https://github.com/CnCNet/cnc-ddraw
1.Prepare
Without-launcher:
► Show Spoiler
With-launcher(WIP)
► Show Spoiler
3.Some Preliminary libretro shader Pictures
interpolation/cubic.glsl
windowed/lanczos2-sharp.glsl
xbr/lv2-noblend.glsl
xbrz/freescale.glsl