[Mesa-dev] [PATCH] i965: add ARB_texture_barrier support

Eric Anholt eric at anholt.net
Thu Aug 13 16:19:05 PDT 2015

Ilia Mirkin <imirkin at alum.mit.edu> writes:

> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> ---
> The blending-in-shader piglit test passed even without the flush,
> which doesn't inspire me with confidence, but those piglit_draw_rect
> things are pretty heavy so perhaps cause a flush on their own anyways.

I think you don't actually need the hook, because of the
brw_render_cache_set_check_flush(brw, tex_obj->mt->bo) in
intel_update_state().  You should be able to confirm that you're getting
those pipe controls between your draws using INTEL_DEBUG=batch
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