Deve 58f7424b4f Add a workaround for skybox. ...

The problem was with shader-based pipeline with disabled "advanced effects" in options.

In this case we don't use RTTs and gl_FragCoord contains values in range of whole window. So fo 2 players we still get gl_FragCoord.y = 0..window_size instead of gl_FragCoord.y = 0..window_size/2.

The easiest way to solve it seems to be modulo it by current viewport size. It should be compatible with advanced pipeline as well as single-player games.

Atm. I'm not sure if this should be applied to 0.9.2 branch. It should work fine, but needs some testing.

2016-05-08 21:39:50 +02:00

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