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mesa: avoid triggering assert in implementation 

When tearing down a GL context with an active performance query, the
implementation can be confused by a query marked active when it's
being deleted.

This shouldn't happen in the implementation because the context will
already be idle.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: <mesa-stable@lists.freedesktop.org>
Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2235
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3115>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3115>
This commit is contained in:
Lionel Landwerlin 2019-12-16 17:58:41 +02:00 committed by Marge Bot
parent d399f4f414
commit 2c8742ed85
1 changed files with 6 additions and 0 deletions
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6
src/mesa/main/performance_query.c
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@ -48,6 +48,12 @@ free_performance_query(GLuint key, void *data, void *user)
struct gl_perf_query_object *m = data;
struct gl_context *ctx = user;
/* Don't confuse the implementation by deleting an active query. We can
* toggle Active/Used to false because we're tearing down the GL context
* and it's already idle (see _mesa_free_context_data).
*/
m->Active = false;
m->Used = false;
ctx->Driver.DeletePerfQuery(ctx, m);
}