gallium/radeon: reallocate textures with non-zero tile_swizzle on export

Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

src/gallium/drivers/radeon/r600_texture.c

@@ -568,13 +568,15 @@ static boolean r600_texture_get_handle(struct pipe_screen* screen,
 			return false;
 
 		/* Move a suballocated texture into a non-suballocated allocation. */
-		if (rscreen->ws->buffer_is_suballocated(res->buf)) {
+		if (rscreen->ws->buffer_is_suballocated(res->buf) ||
+		    rtex->surface.tile_swizzle) {
 			assert(!res->b.is_shared);
 			r600_reallocate_texture_inplace(rctx, rtex,
 							PIPE_BIND_SHARED, false);
 			rctx->b.flush(&rctx->b, NULL, 0);
 			assert(res->b.b.bind & PIPE_BIND_SHARED);
 			assert(res->flags & RADEON_FLAG_NO_SUBALLOC);
+			assert(rtex->surface.tile_swizzle == 0);
 		}
 
 		/* Since shader image stores don't support DCC on VI,