Mesa (master): vulkan/util: Add a vk_zalloc helper

[Jason Ekstrand]

Module: Mesa
Branch: master
Commit: ae8365a9eb017161c294f2a9171d0cbfd7249e20
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ae8365a9eb017161c294f2a9171d0cbfd7249e20

Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Tue Aug  8 12:25:26 2017 -0700

vulkan/util: Add a vk_zalloc helper

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>

---

 src/vulkan/util/vk_alloc.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/vulkan/util/vk_alloc.h b/src/vulkan/util/vk_alloc.h
index 2915021826..f58a80625a 100644
--- a/src/vulkan/util/vk_alloc.h
+++ b/src/vulkan/util/vk_alloc.h
@@ -37,6 +37,20 @@ vk_alloc(const VkAllocationCallbacks *alloc,
 }
 
 static inline void *
+vk_zalloc(const VkAllocationCallbacks *alloc,
+          size_t size, size_t align,
+          VkSystemAllocationScope scope)
+{
+   void *mem = vk_alloc(alloc, size, align, scope);
+   if (mem == NULL)
+      return NULL;
+
+   memset(mem, 0, size);
+
+   return mem;
+}
+
+static inline void *
 vk_realloc(const VkAllocationCallbacks *alloc,
            void *ptr, size_t size, size_t align,
            VkSystemAllocationScope scope)