1 #include <stdio.h>

2 #include "opengl.h"

3 #include <imago2.h>

4 #include "texture.h"

5

6 unsigned int load_texture(const char *fname)

7 {

8 int xsz, ysz;

9 void *pixels;

10 unsigned int tex;

11

12 if(!(pixels = img_load_pixels(fname, &xsz, &ysz, IMG_FMT_RGB24))) {

13 fprintf(stderr, "failed to load texture: %s\n", fname);

14 return 0;

15 }

16

17 glGenTextures(1, &tex);

18 glBindTexture(GL_TEXTURE_2D, tex);

19 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

20 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

21 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, xsz, ysz, 0, GL_RGB, GL_UNSIGNED_BYTE, pixels);

22

23 img_free_pixels(pixels);

24

25 return tex;

26 }

27

28 void free_texture(unsigned int tex)

29 {

30 glDeleteTextures(1, &tex);

31 }