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Diffstat (limited to 'intern/cycles/util/util_math.h')
-rw-r--r--intern/cycles/util/util_math.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/intern/cycles/util/util_math.h b/intern/cycles/util/util_math.h
index f834011a032..535b6881d3f 100644
--- a/intern/cycles/util/util_math.h
+++ b/intern/cycles/util/util_math.h
@@ -268,6 +268,36 @@ ccl_device_inline float4 __int4_as_float4(int4 i)
#endif
}
+template<typename T> ccl_device_inline uint pointer_pack_to_uint_0(T *ptr)
+{
+ return ((uint64_t)ptr) & 0xFFFFFFFF;
+}
+
+template<typename T> ccl_device_inline uint pointer_pack_to_uint_1(T *ptr)
+{
+ return (((uint64_t)ptr) >> 32) & 0xFFFFFFFF;
+}
+
+template<typename T> ccl_device_inline T *pointer_unpack_from_uint(const uint a, const uint b)
+{
+ return (T *)(((uint64_t)b << 32) | a);
+}
+
+ccl_device_inline uint uint16_pack_to_uint(const uint a, const uint b)
+{
+ return (a << 16) | b;
+}
+
+ccl_device_inline uint uint16_unpack_from_uint_0(const uint i)
+{
+ return i >> 16;
+}
+
+ccl_device_inline uint uint16_unpack_from_uint_1(const uint i)
+{
+ return i & 0xFFFF;
+}
+
/* Versions of functions which are safe for fast math. */
ccl_device_inline bool isnan_safe(float f)
{