86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
|
/*
|
||
|
|
* Copyright (c), Recep Aslantas.
|
||
|
|
*
|
||
|
|
* MIT License (MIT), http://opensource.org/licenses/MIT
|
||
|
|
* Full license can be found in the LICENSE file
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef cglm_common_h
|
||
|
|
#define cglm_common_h
|
||
|
|
|
||
|
|
#ifndef _USE_MATH_DEFINES
|
||
|
|
# define _USE_MATH_DEFINES /* for windows */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef _CRT_SECURE_NO_WARNINGS
|
||
|
|
# define _CRT_SECURE_NO_WARNINGS /* for windows */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <math.h>
|
||
|
|
#include <float.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
|
||
|
|
#if defined(_MSC_VER)
|
||
|
|
# ifdef CGLM_STATIC
|
||
|
|
# define CGLM_EXPORT
|
||
|
|
# elif defined(CGLM_EXPORTS)
|
||
|
|
# define CGLM_EXPORT __declspec(dllexport)
|
||
|
|
# else
|
||
|
|
# define CGLM_EXPORT __declspec(dllimport)
|
||
|
|
# endif
|
||
|
|
# define CGLM_INLINE __forceinline
|
||
|
|
#else
|
||
|
|
# define CGLM_EXPORT __attribute__((visibility("default")))
|
||
|
|
# define CGLM_INLINE static inline __attribute((always_inline))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define GLM_SHUFFLE4(z, y, x, w) (((z) << 6) | ((y) << 4) | ((x) << 2) | (w))
|
||
|
|
#define GLM_SHUFFLE3(z, y, x) (((z) << 4) | ((y) << 2) | (x))
|
||
|
|
|
||
|
|
#include "types.h"
|
||
|
|
#include "simd/intrin.h"
|
||
|
|
|
||
|
|
#ifndef CGLM_USE_DEFAULT_EPSILON
|
||
|
|
# ifndef GLM_FLT_EPSILON
|
||
|
|
# define GLM_FLT_EPSILON 1e-5f
|
||
|
|
# endif
|
||
|
|
#else
|
||
|
|
# define GLM_FLT_EPSILON FLT_EPSILON
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Clip control: define CGLM_FORCE_DEPTH_ZERO_TO_ONE before including
|
||
|
|
* CGLM to use a clip space between 0 to 1.
|
||
|
|
* Coordinate system: define CGLM_FORCE_LEFT_HANDED before including
|
||
|
|
* CGLM to use the left handed coordinate system by default.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define CGLM_CLIP_CONTROL_ZO_BIT (1 << 0) /* ZERO_TO_ONE */
|
||
|
|
#define CGLM_CLIP_CONTROL_NO_BIT (1 << 1) /* NEGATIVE_ONE_TO_ONE */
|
||
|
|
#define CGLM_CLIP_CONTROL_LH_BIT (1 << 2) /* LEFT_HANDED, For DirectX, Metal, Vulkan */
|
||
|
|
#define CGLM_CLIP_CONTROL_RH_BIT (1 << 3) /* RIGHT_HANDED, For OpenGL, default in GLM */
|
||
|
|
|
||
|
|
#define CGLM_CLIP_CONTROL_LH_ZO (CGLM_CLIP_CONTROL_LH_BIT | CGLM_CLIP_CONTROL_ZO_BIT)
|
||
|
|
#define CGLM_CLIP_CONTROL_LH_NO (CGLM_CLIP_CONTROL_LH_BIT | CGLM_CLIP_CONTROL_NO_BIT)
|
||
|
|
#define CGLM_CLIP_CONTROL_RH_ZO (CGLM_CLIP_CONTROL_RH_BIT | CGLM_CLIP_CONTROL_ZO_BIT)
|
||
|
|
#define CGLM_CLIP_CONTROL_RH_NO (CGLM_CLIP_CONTROL_RH_BIT | CGLM_CLIP_CONTROL_NO_BIT)
|
||
|
|
|
||
|
|
#ifdef CGLM_FORCE_DEPTH_ZERO_TO_ONE
|
||
|
|
# ifdef CGLM_FORCE_LEFT_HANDED
|
||
|
|
# define CGLM_CONFIG_CLIP_CONTROL CGLM_CLIP_CONTROL_LH_ZO
|
||
|
|
# else
|
||
|
|
# define CGLM_CONFIG_CLIP_CONTROL CGLM_CLIP_CONTROL_RH_ZO
|
||
|
|
# endif
|
||
|
|
#else
|
||
|
|
# ifdef CGLM_FORCE_LEFT_HANDED
|
||
|
|
# define CGLM_CONFIG_CLIP_CONTROL CGLM_CLIP_CONTROL_LH_NO
|
||
|
|
# else
|
||
|
|
# define CGLM_CONFIG_CLIP_CONTROL CGLM_CLIP_CONTROL_RH_NO
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* cglm_common_h */
|