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zink: improve no-oping of write -> readonly zsbuf layouts

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if descriptor binds exist this will have to change layouts anyway,
so allow readonly since it might be a more compatible layout

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21988>
This commit is contained in:
Mike Blumenkrantz 2023-03-17 12:56:43 -04:00 committed by Marge Bot
parent 93d7bde9dc
commit d6e40b7d54
1 changed files with 3 additions and 1 deletions
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4
src/gallium/drivers/zink/zink_context.c
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@ -2918,7 +2918,9 @@ zink_prep_fb_attachment(struct zink_context *ctx, struct zink_surface *surf, uns
zink_init_zs_attachment(ctx, &rt);
layout = zink_render_pass_attachment_get_barrier_info(&rt, i < ctx->fb_state.nr_cbufs, &pipeline, &access);
/* avoid unnecessary read-only layout change */
if (layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL && res->layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL)
if (layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL &&
res->layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL &&
!res->bind_count[0])
layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
}
}