/* graphene-vec4.h: 4-coords vector * * Copyright 2014 Emmanuele Bassi * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #pragma once #if !defined(GRAPHENE_H_INSIDE) && !defined(GRAPHENE_COMPILATION) #error "Only graphene.h can be included directly." #endif #include "graphene-types.h" GRAPHENE_BEGIN_DECLS /** * graphene_vec4_t: * * A structure capable of holding a vector with four dimensions: x, y, z, and w. * * The contents of the #graphene_vec4_t structure are private and should * never be accessed directly. */ struct _graphene_vec4_t { /*< private >*/ GRAPHENE_ALIGNED_DECL (GRAPHENE_PRIVATE_FIELD (graphene_simd4f_t, value), 16); }; GRAPHENE_AVAILABLE_IN_1_0 graphene_vec4_t * graphene_vec4_alloc (void); GRAPHENE_AVAILABLE_IN_1_0 void graphene_vec4_free (graphene_vec4_t *v); GRAPHENE_AVAILABLE_IN_1_0 graphene_vec4_t * graphene_vec4_init (graphene_vec4_t *v, float x, float y, float z, float w); GRAPHENE_AVAILABLE_IN_1_0 graphene_vec4_t * graphene_vec4_init_from_vec4 (graphene_vec4_t *v, const graphene_vec4_t *src); GRAPHENE_AVAILABLE_IN_1_0 graphene_vec4_t * graphene_vec4_init_from_vec3 (graphene_vec4_t *v, const graphene_vec3_t *src, float w); GRAPHENE_AVAILABLE_IN_1_0 graphene_vec4_t * graphene_vec4_init_from_vec2 (graphene_vec4_t *v, const graphene_vec2_t *src, float z, float w); GRAPHENE_AVAILABLE_IN_1_0 graphene_vec4_t * graphene_vec4_init_from_float (graphene_vec4_t *v, const float *src); GRAPHENE_AVAILABLE_IN_1_0 void graphene_vec4_to_float (const graphene_vec4_t *v, float *dest); GRAPHENE_AVAILABLE_IN_1_0 void graphene_vec4_add (const graphene_vec4_t *a, const graphene_vec4_t *b, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_vec4_subtract (const graphene_vec4_t *a, const graphene_vec4_t *b, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_vec4_multiply (const graphene_vec4_t *a, const graphene_vec4_t *b, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_vec4_divide (const graphene_vec4_t *a, const graphene_vec4_t *b, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_0 float graphene_vec4_dot (const graphene_vec4_t *a, const graphene_vec4_t *b); GRAPHENE_AVAILABLE_IN_1_0 float graphene_vec4_length (const graphene_vec4_t *v); GRAPHENE_AVAILABLE_IN_1_0 void graphene_vec4_normalize (const graphene_vec4_t *v, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_2 void graphene_vec4_scale (const graphene_vec4_t *v, float factor, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_2 void graphene_vec4_negate (const graphene_vec4_t *v, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_2 bool graphene_vec4_equal (const graphene_vec4_t *v1, const graphene_vec4_t *v2); GRAPHENE_AVAILABLE_IN_1_2 bool graphene_vec4_near (const graphene_vec4_t *v1, const graphene_vec4_t *v2, float epsilon); GRAPHENE_AVAILABLE_IN_1_0 void graphene_vec4_min (const graphene_vec4_t *a, const graphene_vec4_t *b, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_vec4_max (const graphene_vec4_t *a, const graphene_vec4_t *b, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_10 void graphene_vec4_interpolate (const graphene_vec4_t *v1, const graphene_vec4_t *v2, double factor, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_0 float graphene_vec4_get_x (const graphene_vec4_t *v); GRAPHENE_AVAILABLE_IN_1_0 float graphene_vec4_get_y (const graphene_vec4_t *v); GRAPHENE_AVAILABLE_IN_1_0 float graphene_vec4_get_z (const graphene_vec4_t *v); GRAPHENE_AVAILABLE_IN_1_0 float graphene_vec4_get_w (const graphene_vec4_t *v); GRAPHENE_AVAILABLE_IN_1_0 void graphene_vec4_get_xy (const graphene_vec4_t *v, graphene_vec2_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_vec4_get_xyz (const graphene_vec4_t *v, graphene_vec3_t *res); GRAPHENE_AVAILABLE_IN_1_0 const graphene_vec4_t * graphene_vec4_zero (void); GRAPHENE_AVAILABLE_IN_1_0 const graphene_vec4_t * graphene_vec4_one (void); GRAPHENE_AVAILABLE_IN_1_0 const graphene_vec4_t * graphene_vec4_x_axis (void); GRAPHENE_AVAILABLE_IN_1_0 const graphene_vec4_t * graphene_vec4_y_axis (void); GRAPHENE_AVAILABLE_IN_1_0 const graphene_vec4_t * graphene_vec4_z_axis (void); GRAPHENE_AVAILABLE_IN_1_0 const graphene_vec4_t * graphene_vec4_w_axis (void); GRAPHENE_END_DECLS