Another shader creates a less distorted (but still not completely rectangular) image:
In my opinion, this looks pretty awesome (especially the fishbowl effect one). To configure DOSBox SVN Daum to use this shader, you need to make the following changes in dosbox.conf:
Code: Select all
[sdl] output=direct3d pixelshader=CRT-geom-curved.fx [render] aspect=true scaler=hardware2x
This works both in the windowed and fullscreen modes.
You can also get higher resolution images by using hardware3x, hardware4x and hardware5x instead of hardware2x: