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rasterize: fix an interaction between polyids and shadows resulting in failure to render shadows sometimes

This commit is contained in:
zeromus 2009-02-15 01:28:36 +00:00
parent 2fbf9e8d94
commit 0e2532cc85
1 changed files with 8 additions and 5 deletions
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9
desmume/src/rasterize.cpp
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@ -604,16 +604,19 @@ static void triangle_from_devmaster()
destFragment.polyid.opaque = polyAttr.polyid; destFragment.polyid.opaque = polyAttr.polyid;
} }
else else
{
//interesting that we have to check for mode 3 here. not very straightforward, but then nothing about the shadows are
//this was the result of testing trauma center, SPP area menu, and SM64 with yoshi's red feet behind translucent trees
//as well as the intermittent bug in ff4 where your shadow only appears under other shadows
if(shader.mode != 3)
{ {
//dont overwrite pixels on translucent polys with the same polyids //dont overwrite pixels on translucent polys with the same polyids
if(destFragment.polyid.translucent == polyAttr.polyid) if(destFragment.polyid.translucent == polyAttr.polyid)
goto rejected_fragment; goto rejected_fragment;
//this is an interesting item. not very straightforward, but then nothing about the shadows are
//this was the result of testing trauma center, SPP area menu, and SM64 with yoshi's red feet behind translucent trees
if(shader.mode != 3)
destFragment.polyid.translucent = polyAttr.polyid; destFragment.polyid.translucent = polyAttr.polyid;
} }
}
//alpha blending and write color //alpha blending and write color
alphaBlend(destFragment.color, shaderOutput.color); alphaBlend(destFragment.color, shaderOutput.color);