* rlsw config section
* use raster flags to define rasterizer variants
* simplifies the generation of dispatch tables
* single dispatch table for the lines
same logic as for the points
* internal color interp state
* check whether vertex colors should be interpolated
* vector op helper macro + pick sampler once before primitive drawing
* op order tweaks
* refactoring without gotos for triangle and quad rasterizers
* same cleaning for the lines
aa4cf20eae