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authorRoland Scheidegger <sroland@vmware.com>2017-10-26 21:23:27 +0200
committerRoland Scheidegger <sroland@vmware.com>2017-10-27 22:37:19 +0200
commit3e4fd2d4b185dac55a481384f8ce3a8c93d78f87 (patch)
tree7ff7c3f4ba5af976c31969ed1d8ed19aa1a61758 /src/gallium/drivers/r300
parentf7f12780c82fa566be5622b077c1279d15dd5972 (diff)
draw: don't cull tris with zero area
Culling tris with zero area seems like a great idea, but apparently with fill mode line (and point) we're supposed to draw them, at least some tests for some other state tracker complained otherwise. Such tris also always seem to be back facing (not sure if this can be inferred from anything, since in a mathematical sense it cannot really be determined), so make sure to account for this when filling in the face information. (For solid tris, this is of course unnecessary, drivers will throw the tris away later in any case.) Reviewed-by: Brian Paul <brianp@vmware.com>
Diffstat (limited to 'src/gallium/drivers/r300')
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