Setup and use the RenderTargets.
These have been in for months without being used!
Merge branch 'master' of https://github.com/pioneerspacesim/pioneer into UseRTs
Merge branch 'master' of https://github.com/pioneerspacesim/pioneer into UseRTs
Merge branch 'master' of https://github.com/pioneerspacesim/pioneer into UseRTs
Merge branch 'master' of https://github.com/pioneerspacesim/pioneer into UseRTs
Avoid using OpenGL calls directly.
Merge branch 'master' of https://github.com/pioneerspacesim/pioneer into UseRTs
Added missing push matrix calls
Merge remote-tracking branch 'fluffyfreak/UseRTs' into UseRTs
rename SetLights(bool) to SetLightsEnabled, since we already have a SetLights, and return bool to make consistent with other renderer calls
rename variables to better conform to code standards
avoid hardcoded constants
Merge branch 'UseRTs'