nuclear@12: /*
nuclear@12: glviewvol is an OpenGL 3D volume data viewer
nuclear@12: Copyright (C) 2014  John Tsiombikas <nuclear@member.fsf.org>
nuclear@12: 
nuclear@12: This program is free software: you can redistribute it and/or modify
nuclear@12: it under the terms of the GNU General Public License as published by
nuclear@12: the Free Software Foundation, either version 3 of the License, or
nuclear@12: (at your option) any later version.
nuclear@12: 
nuclear@12: This program is distributed in the hope that it will be useful,
nuclear@12: but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nuclear@12: GNU General Public License for more details.
nuclear@12: 
nuclear@12: You should have received a copy of the GNU General Public License
nuclear@12: along with this program.  If not, see <http://www.gnu.org/licenses/>.
nuclear@12: */
nuclear@4: #ifndef SDR_H_
nuclear@4: #define SDR_H_
nuclear@4: 
nuclear@4: #ifdef __cplusplus
nuclear@4: extern "C" {
nuclear@4: #endif	/* __cplusplus */
nuclear@4: 
nuclear@4: /* ---- shaders ---- */
nuclear@4: unsigned int create_vertex_shader(const char *src);
nuclear@4: unsigned int create_pixel_shader(const char *src);
nuclear@4: unsigned int create_tessctl_shader(const char *src);
nuclear@4: unsigned int create_tesseval_shader(const char *src);
nuclear@4: unsigned int create_geometry_shader(const char *src);
nuclear@4: unsigned int create_shader(const char *src, unsigned int sdr_type);
nuclear@4: void free_shader(unsigned int sdr);
nuclear@4: 
nuclear@4: unsigned int load_vertex_shader(const char *fname);
nuclear@4: unsigned int load_pixel_shader(const char *fname);
nuclear@4: unsigned int load_tessctl_shader(const char *fname);
nuclear@4: unsigned int load_tesseval_shader(const char *fname);
nuclear@4: unsigned int load_geometry_shader(const char *fname);
nuclear@4: unsigned int load_shader(const char *src, unsigned int sdr_type);
nuclear@4: 
nuclear@4: unsigned int get_vertex_shader(const char *fname);
nuclear@4: unsigned int get_pixel_shader(const char *fname);
nuclear@4: unsigned int get_tessctl_shader(const char *fname);
nuclear@4: unsigned int get_tesseval_shader(const char *fname);
nuclear@4: unsigned int get_geometry_shader(const char *fname);
nuclear@4: unsigned int get_shader(const char *fname, unsigned int sdr_type);
nuclear@4: 
nuclear@4: int add_shader(const char *fname, unsigned int sdr);
nuclear@4: int remove_shader(const char *fname);
nuclear@4: 
nuclear@4: /* ---- gpu programs ---- */
nuclear@4: unsigned int create_program(void);
nuclear@4: unsigned int create_program_link(unsigned int sdr0, ...);
nuclear@4: unsigned int create_program_load(const char *vfile, const char *pfile);
nuclear@4: void free_program(unsigned int sdr);
nuclear@4: 
nuclear@4: void attach_shader(unsigned int prog, unsigned int sdr);
nuclear@4: int link_program(unsigned int prog);
nuclear@4: int bind_program(unsigned int prog);
nuclear@4: 
nuclear@4: int set_uniform_int(unsigned int prog, const char *name, int val);
nuclear@4: int set_uniform_float(unsigned int prog, const char *name, float val);
nuclear@4: int set_uniform_float2(unsigned int prog, const char *name, float x, float y);
nuclear@4: int set_uniform_float3(unsigned int prog, const char *name, float x, float y, float z);
nuclear@4: int set_uniform_float4(unsigned int prog, const char *name, float x, float y, float z, float w);
nuclear@4: int set_uniform_matrix4(unsigned int prog, const char *name, float *mat);
nuclear@4: int set_uniform_matrix4_transposed(unsigned int prog, const char *name, float *mat);
nuclear@4: 
nuclear@4: int get_attrib_loc(unsigned int prog, const char *name);
nuclear@4: void set_attrib_float3(int attr_loc, float x, float y, float z);
nuclear@4: 
nuclear@4: #ifdef __cplusplus
nuclear@4: }
nuclear@4: #endif	/* __cplusplus */
nuclear@4: 
nuclear@4: #endif	/* SDR_H_ */