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| author | Kenneth Graunke <kenneth@whitecape.org> | 2013-09-06 15:41:19 -0700 |
|---|---|---|
| committer | Kenneth Graunke <kenneth@whitecape.org> | 2013-09-12 10:19:10 -0700 |
| commit | 2b71b3d4666b076ef45d03b9b4b4c527bda21e1c (patch) | |
| tree | f56915e1c03885c3aea2157fa177dcb57afb2338 /src/mesa/main/transformfeedback.h | |
| parent | 9cc74c93f8983f978e7315e021eb59dfaca6404b (diff) | |
| download | external_mesa3d-2b71b3d4666b076ef45d03b9b4b4c527bda21e1c.zip external_mesa3d-2b71b3d4666b076ef45d03b9b4b4c527bda21e1c.tar.gz external_mesa3d-2b71b3d4666b076ef45d03b9b4b4c527bda21e1c.tar.bz2 | |
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 <kenneth@whitecape.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Diffstat (limited to 'src/mesa/main/transformfeedback.h')
| -rw-r--r-- | src/mesa/main/transformfeedback.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/main/transformfeedback.h b/src/mesa/main/transformfeedback.h index f6dc2a7..0ffaab5 100644 --- a/src/mesa/main/transformfeedback.h +++ b/src/mesa/main/transformfeedback.h @@ -120,4 +120,8 @@ _mesa_is_xfb_active_and_unpaused(const struct gl_context *ctx) !ctx->TransformFeedback.CurrentObject->Paused; } +extern bool +_mesa_transform_feedback_is_using_program(struct gl_context *ctx, + struct gl_shader_program *shProg); + #endif /* TRANSFORM_FEEDBACK_H */ |