[Scummvm-devel] SDL scaler refactoring

[Pierre-Yves Gérardy]

Side note regarding the scalers and the new OpenGL renderer:

OpenGL-HQ allows to apply a hardware-accelerated HQnX-like scaler with
arbitrary x and y multipliers (even fractional ones). OpenGL-HQ cannot be
used as-is (it is built as a drop-in replacement for the SDL dll), but the
shader could be adapted to your architecture.

http://www.syntax-k.de/projekte/sdl-opengl-hq/

Indy4 scaled with aspect correction (3x horizontal, 3.6x vertical):
http://www.syntax-k.de/projekte/sdl-opengl-hq/snapshot4.png

regards,
-- Pierre-Yves
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