From 4388b8b253c9420e650397609c17867113298d3e Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason@jlekstrand.net>
Date: Wed, 5 Aug 2020 17:30:13 -0500
Subject: [PATCH] anv: Add an anv_address_map helper

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16970>
---
 src/intel/vulkan/anv_private.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h
index 044023f7eaf..727b4bfcb35 100644
--- a/src/intel/vulkan/anv_private.h
+++ b/src/intel/vulkan/anv_private.h
@@ -586,6 +586,18 @@ anv_address_add(struct anv_address addr, uint64_t offset)
    return addr;
 }
 
+static inline void *
+anv_address_map(struct anv_address addr)
+{
+   if (addr.bo == NULL)
+      return NULL;
+
+   if (addr.bo->map == NULL)
+      return NULL;
+
+   return addr.bo->map + addr.offset;
+}
+
 /* Represents a lock-free linked list of "free" things.  This is used by
  * both the block pool and the state pools.  Unfortunately, in order to
  * solve the ABA problem, we can't use a single uint32_t head.