OpenVDB: nanovdb/examples/ex_collide_level_set/common.h Source File

OpenVDB 9.0.0

common.h
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1// Copyright Contributors to the OpenVDB Project
2// SPDX-License-Identifier: MPL-2.0
3
4#pragma once
5
6#include <cmath>
7#include <chrono>
8#include <fstream>
9#include <nanovdb/NanoVDB.h>
10#include "ComputePrimitives.h"
11
12// http://www.burtleburtle.net/bob/hash/doobs.html
13 inline __hostdev__ uint32_t hash(uint32_t x)
14{
15 x += (x << 10u);
16 x ^= (x >> 6u);
17 x += (x << 3u);
18 x ^= (x >> 11u);
19 x += (x << 15u);
20 return x;
21}
22
23 inline __hostdev__ float randomf(uint32_t s)
24{
25 return hash(s) / float(0xffffffffu);
26}
ComputePrimitives.h
A collection of parallel compute primitives.
NanoVDB.h
Implements a light-weight self-contained VDB data-structure in a single file! In other words,...
__hostdev__
#define __hostdev__
Definition: NanoVDB.h:168
randomf
__hostdev__ float randomf(uint32_t s)
Definition: common.h:23
hash
__hostdev__ uint32_t hash(uint32_t x)
Definition: common.h:13