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authorRob Clark <[email protected]>2014-01-07 10:55:07 -0500
committerRob Clark <[email protected]>2014-01-08 16:30:18 -0500
commitc0766528baaef48902c87bbdaa4f5926c472269b (patch)
treef825706059f50c37a9fda7961ec596b0fb6a65da /docs/sourcetree.html
parentbfb44c24bc1eff850d47984b2cb60c957ffc143d (diff)
freedreno/a3xx: support for hw binning pass
The binning pass sorts vertices into which bins/tiles they apply to. The visibility information generated during the binning pass can be used to speed up the rendering pass by filtering out vertices which do not apply to the current tile. See: https://github.com/freedreno/freedreno/wiki/Adreno-tiling#optimized-approach This brings a significant fps boost. A rough assortment of tests (supertuxkart, etracer, tremulous, glmark2 'build' test, etc) seems to yield a ~35-45% fps improvement. For now, to be conservative, the binning pass is not enabled yet by default. To enable it use: FD_MESA_DEBUG=binning So far I haven't found anything that breaks with binning enabled, but I'd like a bit more testing before I enable it as default. Signed-off-by: Rob Clark <[email protected]>
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