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zink: use mixed zs renderpass for depth read/write

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this is triggered by u_blitter when doing src==dst blits

Fixes: 7781a75229 ("zink: add a renderpass flag for mixed zs layout")

affects:
GTF-GL46.gtf30.GL3Tests.framebuffer_blit.framebuffer_blit_functionality*

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15960>
(cherry picked from commit 9409756ee3)
This commit is contained in:
Mike Blumenkrantz 2022-04-14 09:02:28 -04:00 • committed by Dylan Baker
parent 357e3130ad
commit df84664032
2 changed files with 5 additions and 1 deletions
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2
.pick_status.json
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@ -1165,7 +1165,7 @@
"description": "zink: use mixed zs renderpass for depth read/write",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": "7781a75229d5d071fdeb75b9932cc52c37b28552"
},

4
src/gallium/drivers/zink/zink_context.c
View file

@ -2075,7 +2075,11 @@ get_render_pass(struct zink_context *ctx)
bool needs_write_s = state.rts[fb->nr_cbufs].clear_stencil || outputs_written & BITFIELD64_BIT(FRAG_RESULT_STENCIL);
if (!needs_write_z && (!ctx->dsa_state || !ctx->dsa_state->base.depth_enabled))
/* depth sample, stencil write */
state.rts[fb->nr_cbufs].mixed_zs = needs_write_s && zsbuf->bind_count[0];
else
/* depth write + sample */
state.rts[fb->nr_cbufs].mixed_zs = needs_write_z && zsbuf->bind_count[0];
state.rts[fb->nr_cbufs].needs_write = needs_write_z | needs_write_s;
state.num_rts++;
}