1 /*

2 glviewvol is an OpenGL 3D volume data viewer

3 Copyright (C) 2014 John Tsiombikas <nuclear@member.fsf.org>

4

5 This program is free software: you can redistribute it and/or modify

6 it under the terms of the GNU General Public License as published by

7 the Free Software Foundation, either version 3 of the License, or

8 (at your option) any later version.

9

10 This program is distributed in the hope that it will be useful,

11 but WITHOUT ANY WARRANTY; without even the implied warranty of

12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

13 GNU General Public License for more details.

14

15 You should have received a copy of the GNU General Public License

16 along with this program. If not, see <http://www.gnu.org/licenses/>.

17 */

18 #ifndef SDR_H_

19 #define SDR_H_

20

21 #ifdef __cplusplus

22 extern "C" {

23 #endif /* __cplusplus */

24

25 /* ---- shaders ---- */

26 unsigned int create_vertex_shader(const char *src);

27 unsigned int create_pixel_shader(const char *src);

28 unsigned int create_tessctl_shader(const char *src);

29 unsigned int create_tesseval_shader(const char *src);

30 unsigned int create_geometry_shader(const char *src);

31 unsigned int create_shader(const char *src, unsigned int sdr_type);

32 void free_shader(unsigned int sdr);

33

34 unsigned int load_vertex_shader(const char *fname);

35 unsigned int load_pixel_shader(const char *fname);

36 unsigned int load_tessctl_shader(const char *fname);

37 unsigned int load_tesseval_shader(const char *fname);

38 unsigned int load_geometry_shader(const char *fname);

39 unsigned int load_shader(const char *src, unsigned int sdr_type);

40

41 unsigned int get_vertex_shader(const char *fname);

42 unsigned int get_pixel_shader(const char *fname);

43 unsigned int get_tessctl_shader(const char *fname);

44 unsigned int get_tesseval_shader(const char *fname);

45 unsigned int get_geometry_shader(const char *fname);

46 unsigned int get_shader(const char *fname, unsigned int sdr_type);

47

48 int add_shader(const char *fname, unsigned int sdr);

49 int remove_shader(const char *fname);

50

51 /* ---- gpu programs ---- */

52 unsigned int create_program(void);

53 unsigned int create_program_link(unsigned int sdr0, ...);

54 unsigned int create_program_load(const char *vfile, const char *pfile);

55 void free_program(unsigned int sdr);

56

57 void attach_shader(unsigned int prog, unsigned int sdr);

58 int link_program(unsigned int prog);

59 int bind_program(unsigned int prog);

60

61 int set_uniform_int(unsigned int prog, const char *name, int val);

62 int set_uniform_float(unsigned int prog, const char *name, float val);

63 int set_uniform_float2(unsigned int prog, const char *name, float x, float y);

64 int set_uniform_float3(unsigned int prog, const char *name, float x, float y, float z);

65 int set_uniform_float4(unsigned int prog, const char *name, float x, float y, float z, float w);

66 int set_uniform_matrix4(unsigned int prog, const char *name, float *mat);

67 int set_uniform_matrix4_transposed(unsigned int prog, const char *name, float *mat);

68

69 int get_attrib_loc(unsigned int prog, const char *name);

70 void set_attrib_float3(int attr_loc, float x, float y, float z);

71

72 #ifdef __cplusplus

73 }

74 #endif /* __cplusplus */

75

76 #endif /* SDR_H_ */