[PATCH 4/5] vkd3d: Check for index buffer location zero.

[Conor McCarthy]

From: Conor McCarthy

VK_EXT_robustness2 does not support null index buffers so we only
warn and return immediately.
---
 libs/vkd3d/command.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libs/vkd3d/command.c b/libs/vkd3d/command.c
index c20b2d88..3dcc817d 100644
--- a/libs/vkd3d/command.c
+++ b/libs/vkd3d/command.c
@@ -4654,6 +4654,11 @@ static void STDMETHODCALLTYPE d3d12_command_list_IASetIndexBuffer(ID3D12Graphics
         WARN("Ignoring NULL index buffer view.\n");
         return;
     }
+    if (!view->BufferLocation)
+    {
+        WARN("Ignoring index buffer location 0.\n");
+        return;
+    }

vk_procs = &list->device->vk_procs;