[Ohrrpgce] SVN: teeemcee/12819 rasterizer: fix drawTriangleColor/TextureColor. Color gradients were bro

[subversion at HamsterRepublic.com]

teeemcee
2022-02-21 00:09:42 -0800 (Mon, 21 Feb 2022)
188
rasterizer: fix drawTriangleColor/TextureColor. Color gradients were broken

A lot of code movement here, mainly to apply argbModifier before generating the
lines (which I broke in r12786)
---
U   wip/gfxRender.hpp
U   wip/rasterizer.cpp
U   wip/rasterizer.hpp