AnalyticalGraphicsInc/cesium — pull request #179 by pjcozzi (2012-08-27 20:49:28+00:00)
Title: Changed czm_viewport to vec4.

Changed the GLSL automatic uniform `czm_viewport` from an `ivec4` to a `vec4` to reduce casting.

@kring @bagnell I cleaned up all the shaders using this in master. If you are using `czm_viewport` in any of your branches, clean them up when this is merged.