/usr/include/tachyon/texture.h is in libtachyon-dev 0.99~b2+dfsg-0.3.
This file is owned by root:root, with mode 0o644.
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* texture.h This file contains all of the includes and defines for the texture
* mapping part of the shader.
*
* $Id: texture.h,v 1.15 2011/02/15 20:27:58 johns Exp $
*/
void InitTextures(void);
/* background texturing routines */
color solid_background_texture(const ray *ry);
color sky_sphere_background_texture(const ray *ry);
color sky_plane_background_texture(const ray *ry);
/* object texturing routines */
color constant_texture(const vector *, const texture *, const ray *);
color image_cyl_texture(const vector *, const texture *, const ray *);
color image_sphere_texture(const vector *, const texture *, const ray *);
color image_plane_texture(const vector *, const texture *, const ray *);
color image_volume_texture(const vector *, const texture *, const ray *);
color checker_texture(const vector *, const texture *, const ray *);
color cyl_checker_texture(const vector *, const texture *, const ray *);
color grit_texture(const vector *, const texture *, const ray *);
color wood_texture(const vector *, const texture *, const ray *);
color marble_texture(const vector *, const texture *, const ray *);
color gnoise_texture(const vector *, const texture *, const ray *);
int Noise(flt, flt, flt);
void InitTextures(void);
void FreeTextures(void);
texture * new_texture(void);
texture * new_standard_texture(void);
texture * new_vcstri_texture(void);
void free_standard_texture(void * voidtex);
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