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radeonsi/ngg: add VGT_FLUSH when enabling fast launch

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Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2418
Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2426
Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2434
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3675>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3675>
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2020-01-30 12:16:46 +01:00 • committed by Marge Bot
parent 2799676218
commit 3da91b3327
1 changed files with 5 additions and 0 deletions
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5
src/gallium/drivers/radeonsi/si_state_draw.c
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@ -2080,6 +2080,11 @@ static void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *i
}
if (ngg_culling != sctx->ngg_culling) {
/* Insert a VGT_FLUSH when enabling fast launch changes to prevent hangs.
* See issues #2418, #2426, #2434
*/
if (ngg_culling & SI_NGG_CULL_GS_FAST_LAUNCH_ALL)
sctx->flags |= SI_CONTEXT_VGT_FLUSH;
sctx->ngg_culling = ngg_culling;
sctx->do_update_shaders = true;
}