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some apple simd framework integration helpers

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Recep Aslantas
2025-04-04 23:02:12 +03:00
parent 8560da0e70
commit 1bd04c819b
1 changed files with 47 additions and 6 deletions
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53
include/cglm/applesimd.h
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@@ -14,16 +14,17 @@
&& defined(SIMD_VECTOR_TYPES) && defined(SIMD_VECTOR_TYPES)
#include "common.h" #include "common.h"
#include "struct.h"
/*! /*!
* @brief converts mat4 to Apple's simd type simd_float4x4 * @brief converts mat4 to Apple's simd type simd_float4x4
* @return simd_float4x4 * @return simd_float4x4
*/ */
CGLM_INLINE CGLM_INLINE
simd_float4x4 simd_float4x4
glm_mat4_applesimd(mat4 m) { glm_mat4_applesimd(mat4 m) {
simd_float4x4 t; simd_float4x4 t;
t.columns[0][0] = m[0][0]; t.columns[0][0] = m[0][0];
t.columns[0][1] = m[0][1]; t.columns[0][1] = m[0][1];
t.columns[0][2] = m[0][2]; t.columns[0][2] = m[0][2];
@@ -55,7 +56,7 @@ CGLM_INLINE
simd_float3x3 simd_float3x3
glm_mat3_applesimd(mat3 m) { glm_mat3_applesimd(mat3 m) {
simd_float3x3 t; simd_float3x3 t;
t.columns[0][0] = m[0][0]; t.columns[0][0] = m[0][0];
t.columns[0][1] = m[0][1]; t.columns[0][1] = m[0][1];
t.columns[0][2] = m[0][2]; t.columns[0][2] = m[0][2];
@@ -83,7 +84,7 @@ glm_vec4_applesimd(vec4 v) {
/*! /*!
* @brief converts vec3 to Apple's simd type simd_float3 * @brief converts vec3 to Apple's simd type simd_float3
* @return v * @return simd_float3
*/ */
CGLM_INLINE CGLM_INLINE
simd_float3 simd_float3
@@ -91,5 +92,45 @@ glm_vec3_applesimd(vec3 v) {
return (simd_float3){v[0], v[1], v[2]}; return (simd_float3){v[0], v[1], v[2]};
} }
/*!
* @brief generic function to convert cglm types to Apple's simd types
*
* Example usage:
* simd_float4x4 m = applesimd(mat4_value);
* simd_float3 v = applesimd(vec3_value);
*
* @param x cglm type (mat4, mat3, vec4, vec3)
* @return corresponding Apple simd type
*/
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
# define applesimd(x) _Generic((x), \
mat4: glm_mat4_applesimd, \
mat3: glm_mat3_applesimd, \
vec4: glm_vec4_applesimd, \
vec3: glm_vec3_applesimd \
)((x))
#endif
#ifdef cglm_types_struct_h
CGLM_INLINE simd_float4x4 glms_mat4_(applesimd)(mat4s m) { return glm_mat4_applesimd(m.raw); }
CGLM_INLINE simd_float3x3 glms_mat3_(applesimd)(mat3s m) { return glm_mat3_applesimd(m.raw); }
CGLM_INLINE simd_float4 glms_vec4_(applesimd)(vec4s v) { return glm_vec4_applesimd(v.raw); }
CGLM_INLINE simd_float3 glms_vec3_(applesimd)(vec3s v) { return glm_vec3_applesimd(v.raw); }
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
# undef applesimd
# define applesimd(x) _Generic((x), \
mat4: glm_mat4_applesimd, \
mat3: glm_mat3_applesimd, \
vec4: glm_vec4_applesimd, \
vec3: glm_vec3_applesimd, \
mat4s: glms_mat4_(applesimd), \
mat3s: glms_mat3_(applesimd), \
vec4s: glms_vec4_(applesimd), \
vec3s: glms_vec3_(applesimd) \
)((x))
#endif
#endif
#endif #endif
#endif /* cglm_applesimd_h */ #endif /* cglm_applesimd_h */