[Ohrrpgce] SVN: teeemcee/12799 rasterizer: support DrawOptions including .blend_mode and .opacity, and

[subversion at HamsterRepublic.com]

teeemcee
2022-02-18 22:03:36 -0800 (Fri, 18 Feb 2022)
103
rasterizer: support DrawOptions including .blend_mode and .opacity, and make the alpha channel optional
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U   wip/blend.h
U   wip/blit.c
U   wip/gfxRender.hpp
U   wip/rasterizer.cpp
U   wip/rasterizer.hpp
U   wip/surface.bi
U   wip/surface.cpp
U   wip/surface.h