currently we only have `ShaderGenerator::_markNonFFP` to opt out from FFP Texturing. Instead move `TextureUnitParams` to `RenderState` so we have a global view of the textures and each SRS can mark the TUs it handles itself. related #1016 related #3594
currently we only have
ShaderGenerator::_markNonFFPto opt out from FFP Texturing.Instead move
TextureUnitParamstoRenderStateso we have a global view of the textures and each SRS can mark the TUs it handles itself.related #1016 related #3594