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Diffstat (limited to 'src/GPU3D.cpp')
| -rw-r--r-- | src/GPU3D.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/GPU3D.cpp b/src/GPU3D.cpp index d818c5c..7521952 100644 --- a/src/GPU3D.cpp +++ b/src/GPU3D.cpp @@ -607,6 +607,10 @@ int ClipPolygon(Vertex* vertices, int nverts, int clipstart) // TODO: check for 1-dot polygons // TODO: the hardware seems to use a different algorithm. it reacts differently to vertices with W=0 + // some vertices that should get Y=-0x1000 get Y=0x1000 for some reason on hardware. it doesn't make sense. + // clipping seems to process the Y plane before the X plane. + + // also, polygons with any negative W are completely rejected. (TODO) // X clipping nverts = ClipAgainstPlane<0, attribs>(vertices, nverts, clipstart); |