Mesa (main): zink: add a bind flag to indicate a resource is exported as a dmabuf

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Module: Mesa
Branch: main
Commit: 5513597305a2fde00ad033c184732348d08e509e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5513597305a2fde00ad033c184732348d08e509e

Author: Mike Blumenkrantz <michael.blumenkrantz at gmail.com>
Date:   Fri Apr 29 10:59:31 2022 -0400

zink: add a bind flag to indicate a resource is exported as a dmabuf

Reviewed-by: Dave Airlie <airlied at redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16252>

---

 src/gallium/drivers/zink/zink_resource.c | 2 ++
 src/gallium/drivers/zink/zink_resource.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/gallium/drivers/zink/zink_resource.c b/src/gallium/drivers/zink/zink_resource.c
index a7694ce2002..0408993aaaf 100644
--- a/src/gallium/drivers/zink/zink_resource.c
+++ b/src/gallium/drivers/zink/zink_resource.c
@@ -992,6 +992,8 @@ resource_create(struct pipe_screen *pscreen,
       _mesa_hash_table_init(&res->surface_cache, NULL, NULL, equals_ivci);
       simple_mtx_init(&res->surface_mtx, mtx_plain);
    }
+   if (res->obj->exportable)
+      res->base.b.bind |= ZINK_BIND_DMABUF;
    return &res->base.b;
 }
 
diff --git a/src/gallium/drivers/zink/zink_resource.h b/src/gallium/drivers/zink/zink_resource.h
index 680bc7c3658..60a76589a4a 100644
--- a/src/gallium/drivers/zink/zink_resource.h
+++ b/src/gallium/drivers/zink/zink_resource.h
@@ -43,6 +43,7 @@ struct zink_bo;
 #include <vulkan/vulkan.h>
 
 #define ZINK_MAP_TEMPORARY (PIPE_MAP_DRV_PRV << 0)
+#define ZINK_BIND_DMABUF (1 << 29)
 #define ZINK_BIND_TRANSIENT (1 << 30) //transient fb attachment
 #define ZINK_BIND_VIDEO (1 << 31)