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authorKenneth Graunke <[email protected]>2013-09-09 11:11:03 -0700
committerKenneth Graunke <[email protected]>2013-09-09 11:26:53 -0700
commit6c3db2167c64ecf2366862f15f8e2d4a91f1028c (patch)
tree703175e988392b7e7f7c1308f40215045a6426b3 /bin
parent2924b5f73bd9468e59da9bf53e88c314669a729f (diff)
i965/vec4: Only zero out unused message components when there are any.
Otherwise, coordinates with four components would result in a MOV with a destination writemask that has no channels enabled: mov(8) g115<1>.F 0D { align16 WE_normal NoDDChk 1Q }; At best, this is stupid: we emit code that shouldn't do anything. Worse, it apparently causes GPU hangs (observable with Chris's textureGather test on CubeArrays.) Signed-off-by: Kenneth Graunke <[email protected]> Cc: Chris Forbes <[email protected]> Cc: [email protected]
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