From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Wed, 7 Oct 2015 16:27:31 +0000 (-0700)
Subject: anv/private: Add a typed_memcpy macro
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=941a1059541197dfb356b45f1e003745533c4b0e;p=mesa.git

anv/private: Add a typed_memcpy macro

This is amazingly helpful when copying arrays of things around.
---

diff --git a/src/vulkan/anv_private.h b/src/vulkan/anv_private.h
index e9735706a67..ac9422f6b90 100644
--- a/src/vulkan/anv_private.h
+++ b/src/vulkan/anv_private.h
@@ -115,6 +115,11 @@ anv_clear_mask(uint32_t *inout_mask, uint32_t clear_mask)
         (b) = __builtin_ffs(__dword) - 1, __dword;      \
         __dword &= ~(1 << (b)))
 
+#define typed_memcpy(dest, src, count) ({ \
+   static_assert(sizeof(*src) == sizeof(*dest), ""); \
+   memcpy((dest), (src), (count) * sizeof(*(src))); \
+})
+
 /* Define no kernel as 1, since that's an illegal offset for a kernel */
 #define NO_KERNEL 1