radeonsi: allow DMABUF exports for local buffers

Cc: 17.3 <mesa-stable@lists.freedesktop.org>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c
index 2aa47b5..cb69398 100644 (file)
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -746,8 +746,11 @@ static boolean r600_texture_get_handle(struct pipe_screen* screen,
                        slice_size = (uint64_t)rtex->surface.u.legacy.level[0].slice_size_dw * 4;
                }
        } else {
+               /* Buffer exports are for the OpenCL interop. */
                /* Move a suballocated buffer into a non-suballocated allocation. */
-               if (sscreen->ws->buffer_is_suballocated(res->buf)) {
+               if (sscreen->ws->buffer_is_suballocated(res->buf) ||
+                   /* A DMABUF export always fails if the BO is local. */
+                   rtex->resource.flags & RADEON_FLAG_NO_INTERPROCESS_SHARING) {
                        assert(!res->b.is_shared);
 
                        /* Allocate a new buffer with PIPE_BIND_SHARED. */