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-rw-r--r--src/gallium/drivers/radeon/r600_texture.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c
index 5d84eb4a086..47aa8b12531 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -1434,6 +1434,7 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx,
bool use_staging_texture = false;
assert(!(texture->flags & R600_RESOURCE_FLAG_TRANSFER));
+ assert(box->width && box->height && box->depth);
/* Depth textures use staging unconditionally. */
if (!rtex->is_depth) {