[Mesa-dev] [PATCH 02/14] gallium/u_inlines: allow NULL src in util_copy_image_view

[Nicolai Hähnle]

From: Nicolai Hähnle <nicolai.haehnle at amd.com>

---
 src/gallium/auxiliary/util/u_inlines.h | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_inlines.h b/src/gallium/auxiliary/util/u_inlines.h
index 07c058a..789f6d6 100644
--- a/src/gallium/auxiliary/util/u_inlines.h
+++ b/src/gallium/auxiliary/util/u_inlines.h
@@ -626,10 +626,17 @@ static inline void
 util_copy_image_view(struct pipe_image_view *dst,
                      const struct pipe_image_view *src)
 {
-   pipe_resource_reference(&dst->resource, src->resource);
-   dst->format = src->format;
-   dst->access = src->access;
-   dst->u = src->u;
+   if (src) {
+      pipe_resource_reference(&dst->resource, src->resource);
+      dst->format = src->format;
+      dst->access = src->access;
+      dst->u = src->u;
+   } else {
+      pipe_resource_reference(&dst->resource, NULL);
+      dst->format = PIPE_FORMAT_NONE;
+      dst->access = 0;
+      memset(&dst->u, 0, sizeof(dst->u));
+   }
 }
 
 static inline unsigned
-- 
2.7.4