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authorZack Rusin <[email protected]>2013-09-19 13:38:12 -0400
committerZack Rusin <[email protected]>2013-09-25 19:42:22 -0400
commitd83ef680e2c6d11c446aae16a65445f12984fb85 (patch)
tree8fab38e9c4749db5cfcec33ce5af496712c7740f /src/mesa
parent60c448faea54a56047202204c486b8d399429909 (diff)
draw/clip: don't emit so many empty triangles
Compress empty triangles (don't emit more than one in a row) and never emit empty triangles if we already generated a triangle covering a non-null area. We can't skip all null-triangles because c_primitives expects ones that were generated from vertices exactly at the clipping-plane, to be emitted. Signed-off-by: Zack Rusin <[email protected]> Reviewed-by: José Fonseca <[email protected]> Reviewed-by: Roland Scheidegger <[email protected]>
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