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1 /*
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2 glviewvol is an OpenGL 3D volume data viewer
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3 Copyright (C) 2014 John Tsiombikas <nuclear@member.fsf.org>
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation, either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
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nuclear@4
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18 #ifndef SDR_H_
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19 #define SDR_H_
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20
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21 #ifdef __cplusplus
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22 extern "C" {
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23 #endif /* __cplusplus */
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24
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nuclear@4
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25 /* ---- shaders ---- */
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26 unsigned int create_vertex_shader(const char *src);
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27 unsigned int create_pixel_shader(const char *src);
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28 unsigned int create_tessctl_shader(const char *src);
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29 unsigned int create_tesseval_shader(const char *src);
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30 unsigned int create_geometry_shader(const char *src);
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31 unsigned int create_shader(const char *src, unsigned int sdr_type);
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32 void free_shader(unsigned int sdr);
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33
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34 unsigned int load_vertex_shader(const char *fname);
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35 unsigned int load_pixel_shader(const char *fname);
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36 unsigned int load_tessctl_shader(const char *fname);
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37 unsigned int load_tesseval_shader(const char *fname);
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38 unsigned int load_geometry_shader(const char *fname);
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39 unsigned int load_shader(const char *src, unsigned int sdr_type);
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40
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41 unsigned int get_vertex_shader(const char *fname);
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42 unsigned int get_pixel_shader(const char *fname);
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43 unsigned int get_tessctl_shader(const char *fname);
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44 unsigned int get_tesseval_shader(const char *fname);
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45 unsigned int get_geometry_shader(const char *fname);
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46 unsigned int get_shader(const char *fname, unsigned int sdr_type);
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47
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48 int add_shader(const char *fname, unsigned int sdr);
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49 int remove_shader(const char *fname);
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50
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51 /* ---- gpu programs ---- */
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52 unsigned int create_program(void);
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53 unsigned int create_program_link(unsigned int sdr0, ...);
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54 unsigned int create_program_load(const char *vfile, const char *pfile);
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55 void free_program(unsigned int sdr);
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56
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57 void attach_shader(unsigned int prog, unsigned int sdr);
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58 int link_program(unsigned int prog);
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59 int bind_program(unsigned int prog);
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60
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61 int set_uniform_int(unsigned int prog, const char *name, int val);
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62 int set_uniform_float(unsigned int prog, const char *name, float val);
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63 int set_uniform_float2(unsigned int prog, const char *name, float x, float y);
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64 int set_uniform_float3(unsigned int prog, const char *name, float x, float y, float z);
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65 int set_uniform_float4(unsigned int prog, const char *name, float x, float y, float z, float w);
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66 int set_uniform_matrix4(unsigned int prog, const char *name, float *mat);
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67 int set_uniform_matrix4_transposed(unsigned int prog, const char *name, float *mat);
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68
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69 int get_attrib_loc(unsigned int prog, const char *name);
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70 void set_attrib_float3(int attr_loc, float x, float y, float z);
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71
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72 #ifdef __cplusplus
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73 }
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74 #endif /* __cplusplus */
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75
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76 #endif /* SDR_H_ */
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