From: Anuj Phogat <anuj.phogat@gmail.com>
Date: Tue, 20 Sep 2016 18:59:01 +0000 (-0700)
Subject: intel/isl: Add an assert to check zero width/height surface
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2c78b2ec901ca87698b5f5fadb547e0fc727800d;p=mesa.git

intel/isl: Add an assert to check zero width/height surface

Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
---

diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c
index 0dfeeaf9044..3bb0abd5a72 100644
--- a/src/intel/isl/isl_surface_state.c
+++ b/src/intel/isl/isl_surface_state.c
@@ -258,6 +258,9 @@ isl_genX(surf_fill_state_s)(const struct isl_device *dev, void *state,
    s.IntegerSurfaceFormat = isl_format_has_int_channel(s.SurfaceFormat);
 #endif
 
+   assert(info->surf->logical_level0_px.width > 0 &&
+          info->surf->logical_level0_px.height > 0);
+
    s.Width = info->surf->logical_level0_px.width - 1;
    s.Height = info->surf->logical_level0_px.height - 1;