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authorRoland Scheidegger <[email protected]>2014-01-21 17:47:08 +0100
committerRoland Scheidegger <[email protected]>2014-01-21 17:49:02 +0100
commite23e4f67bed51a8dfd182eae6c7e8e23a7d2cb0e (patch)
tree0d29ffd683c4e81212bca8d643bf17c873a4da1d /docs/autoconf.html
parentad04e396faaddce926ee1146f0da12b30aee7b87 (diff)
draw: fix points with negative w coords for d3d style point clipping
Even with depth clipping disabled, vertices which have negative w coords must be discarded. And since we don't have a proper guardband implementation yet (relying on driver to handle all values except infs/nans in rasterization for such points) we need to kill them off manually (as they can end up with coordinates inside viewport otherwise). v2: use 0.0f instead of 0 (spotted by Brian). Reviewed-by: Jose Fonseca <[email protected]> Reviewed-by: Brian Paul <[email protected]>
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