On 21 June 2013 12:06, Stefan Dösinger stefan@codeweavers.com wrote:
This also works for fog_start == fog_end on drivers that don't handle this situation correctly with fixed function fog. Tested on nvidia, r300g, r600g.
What does this fix?
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Am 2013-06-21 13:05, schrieb Henri Verbeet:
On 21 June 2013 12:06, Stefan Dösinger stefan@codeweavers.com wrote:
This also works for fog_start == fog_end on drivers that don't handle this situation correctly with fixed function fog. Tested on nvidia, r300g, r600g.
What does this fix?
It's a minor GPU-side performance improvement. It's not visible in any real application I tested, but it improves my World of Tanks shader test with fog forced on from 155 to 160 fps (GeForce 9600, Linux, Nvidia).
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Henri Verbeet -
Stefan Dösinger