Mesa (master): v3d: Add safety checks for resource_create().

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Module: Mesa
Branch: master
Commit: 332a5cf6a57dc838e7010e2f7c42eceb8209f6c6
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=332a5cf6a57dc838e7010e2f7c42eceb8209f6c6

Author: Eric Anholt <eric at anholt.net>
Date:   Thu Nov 29 17:06:25 2018 -0800

v3d: Add safety checks for resource_create().

This should ease my debugging next time I screw it up.

---

 src/gallium/drivers/v3d/v3d_resource.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/drivers/v3d/v3d_resource.c b/src/gallium/drivers/v3d/v3d_resource.c
index 33b44868bb..e7e149abd7 100644
--- a/src/gallium/drivers/v3d/v3d_resource.c
+++ b/src/gallium/drivers/v3d/v3d_resource.c
@@ -432,6 +432,12 @@ v3d_setup_slices(struct v3d_resource *rsc, uint32_t winsys_stride)
          */
         bool uif_top = msaa;
 
+        /* Check some easy mistakes to make in a resource_create() call that
+         * will break our setup.
+         */
+        assert(prsc->array_size != 0);
+        assert(prsc->depth0 != 0);
+
         for (int i = prsc->last_level; i >= 0; i--) {
                 struct v3d_resource_slice *slice = &rsc->slices[i];