blob: 386f7083cefc43b1ec0530f399f280d7c7b6879c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
* Rune Game Engine
* Copyright 2024 Danny Holman <dholman@gymli.org>
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#ifndef RUNE_UTIL_UTIL_H
#define RUNE_UTIL_UTIL_H
#include <assert.h>
#include <stddef.h>
#include <stdint.h>
/// Use the compiler-specific version of static_assert
#if defined(__clang__) || defined(__gcc__)
#define STATIC_ASSERT _Static_assert
#else
#define STATIC_ASSERT static_assert
#endif
/// GLFW requires this to enable dynamic linking on Windows
#if _WIN32
#define GLFW_DLL 1
#endif
#ifdef _WIN32
#define NORET __declspec(noreturn)
#else
#define NORET __attribute__((noreturn))
#endif
/// Make API functions visible outside of the library
#ifdef RAPI_EXPORT
#ifdef _WIN32
#define RAPI __declspec(dllexport)
#else
#define RAPI __attribute__((visibility("default")))
#endif
#else
#ifdef _WIN32
#define RAPI __declspec(dllimport)
#else
#define RAPI
#endif
#endif
/**
* \brief Clamps a value between two floating point values
* \param[in] x Value to be clamped
* \param[in] min Floor value
* \param[in] max Ceiling value
* \return One of min, max or x
*/
static inline float clamp(float x, float min, float max) {
if (x < min)
return min;
if (x > max)
return max;
return x;
}
#endif
|
