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authorKenneth Graunke <[email protected]>2013-09-06 15:41:19 -0700
committerKenneth Graunke <[email protected]>2013-09-12 10:19:10 -0700
commit2b71b3d4666b076ef45d03b9b4b4c527bda21e1c (patch)
treef56915e1c03885c3aea2157fa177dcb57afb2338 /src/glsl/program.h
parent9cc74c93f8983f978e7315e021eb59dfaca6404b (diff)
mesa: Disallow relinking if a program is used by an active XFB object.
Paused transform feedback objects may refer to a program other than the current program. If any active objects refer to a program, LinkProgram must reject the request to relink. The code to detect this is ugly since _mesa_HashWalk is awkward to use, but unfortunately we can't use hash_table_foreach since there's no way to get at the underlying struct hash_table (and even then, we'd need to handle locking somehow). Fixes the last subcase of Piglit's new ARB_transform_feedback2 api-errors test. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
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