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authorKeith Whitwell <[email protected]>2009-07-27 12:11:16 +0100
committerJosé Fonseca <[email protected]>2009-08-29 09:21:21 +0100
commitfa3514a57eeb093f38f163af7d3c03e182fc554e (patch)
treedbad5d56738403ba47f6091150b60391e6c7a0e7 /docs/MESA_window_pos.spec
parent38a1479fe137b9bed3bdd1078b24f844c3af4863 (diff)
llvmpipe: fastpath for interpolated z16 less depthtesting
Because this is interpolated (ie. early) depth, we can build in an assumption about the quads emitted by triangle setup, ie that they are actually linear spans. Interpolate z over those spans in z16 format to save on math & conversion.
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