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authorZack Rusin <zackr@vmware.com>2013-06-27 20:40:10 -0400
committerZack Rusin <zackr@vmware.com>2013-06-28 05:21:20 -0400
commit1c2e5c223da28cdffe156b6b430fcdf638909021 (patch)
treef86833cf8b5b43134231309cc75932da000de080 /docs/relnotes/9.1.4.html
parentdf4ab7974a825bf686f9dfa3474f3648e9a3ca66 (diff)
draw/translate: fix instancing
We were incorrectly computing the buffer offset when using the instances. The buffer offset is always equal to: start_instance * stride + (instance_num / instance_divisor) * stride We were completely ignoring the start instance quite often producing instances that completely wrong, e.g. if start instance = 5, instance divisor = 2, then on the first iteration it should be: 5 * stride, not (5/2) * stride as we'd have currently, and if start instance = 1, instance divisor = 3, then on the first iteration it should be: 1 * stride, not 0 as we'd have. This fixes it and adjusts all the code to the changes. Signed-off-by: Zack Rusin <zackr@vmware.com>
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