kc3-lang/kc3/libc3/window/sdl2/gl_matrix_4d.h

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• Hash : 2c520b97
  Author : Thomas de Grivel
  Date : 2024-01-07T20:30:58
  

  wip OpenGL 3.3

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• libc3/window/sdl2/gl_matrix_4d.h

• /* c3
   * Copyright 2022,2023 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  #ifndef GL_MATRIX_4D_H
  #define GL_MATRIX_4D_H
  
  #include "types.h"
  
  /* Stack-allocation compatible functions. */
  s_gl_matrix_4d * gl_matrix_4d_init_copy (s_gl_matrix_4d *m,
                                           const s_gl_matrix_4d *src);
  s_gl_matrix_4d * gl_matrix_4d_init_identity (s_gl_matrix_4d *m);
  s_gl_matrix_4d * gl_matrix_4d_init_product (s_gl_matrix_4d *m,
                                              const s_gl_matrix_4d *a,
                                              const s_gl_matrix_4d *b);
  s_gl_matrix_4d * gl_matrix_4d_init_zero (s_gl_matrix_4d *m);
  
  /* Heap-allocation functions, call gl_matrix_4d_delete after use. */
  void             gl_matrix_4d_delete (s_gl_matrix_4d *m);
  s_gl_matrix_4d * gl_matrix_4d_new_copy (const s_gl_matrix_4d *src);
  s_gl_matrix_4d * gl_matrix_4d_new_identity (void);
  s_gl_matrix_4d * gl_matrix_4d_new_matrix_mult (const s_gl_matrix_4d *a,
                                                 const s_gl_matrix_4d *b);
  s_gl_matrix_4d * gl_matrix_4d_new_zero (void);
  
  /* Operators. */
  s_gl_matrix_4d * gl_matrix_4d_ortho (s_gl_matrix_4d *m, f64 x1, f64 x2,
                                       f64 y1, f64 y2, f64 clip_z_near,
                                       f64 clip_z_far);
  s_gl_matrix_4d * gl_matrix_4d_perspective (s_gl_matrix_4d *m, f64 fov_y,
                                             f64 aspect_ratio,
                                             f64 clip_z_near,
                                             f64 clip_z_far);
  s_gl_matrix_4d * gl_matrix_4d_product (s_gl_matrix_4d *m,
                                         const s_gl_matrix_4d *a);
  s_gl_matrix_4d * gl_matrix_4d_rotate_axis (s_gl_matrix_4d *m, f64 rad,
                                             const s_gl_point_3d *axis);
  s_gl_matrix_4d * gl_matrix_4d_scale (s_gl_matrix_4d *m, f64 x, f64 y,
                                       f64 z);
  s_gl_matrix_4d * gl_matrix_4d_translate (s_gl_matrix_4d *m, f64 x,
                                           f64 y, f64 z);
  
  #endif /* GL_MATRIX_4D_H */
  

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