labyrinth
diff src/texture.c @ 0:8ba79034e8a6
labyrinth example initial commit
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Thu, 15 Jan 2015 14:59:38 +0200 |
parents | |
children | c8826e5ebec1 |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/texture.c Thu Jan 15 14:59:38 2015 +0200 1.3 @@ -0,0 +1,28 @@ 1.4 +#include <stdio.h> 1.5 +#include "texture.h" 1.6 +#include "image.h" 1.7 +#include "opengl.h" 1.8 + 1.9 +#ifndef GL_GENERATE_MIPMAP_SGIS 1.10 +#define GL_GENERATE_MIPMAP_SGIS 0x8191 1.11 +#endif 1.12 + 1.13 +unsigned int load_texture(const char *fname) 1.14 +{ 1.15 + unsigned int tex; 1.16 + struct image *img; 1.17 + 1.18 + if(!(img = load_image(fname))) { 1.19 + fprintf(stderr, "failed to load image: %s\n", fname); 1.20 + return 0; 1.21 + } 1.22 + 1.23 + glGenTextures(1, &tex); 1.24 + glBindTexture(GL_TEXTURE_2D, tex); 1.25 + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); 1.26 + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 1.27 + glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE); 1.28 + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img->width, img->height, 0, GL_RGB, GL_UNSIGNED_BYTE, img->pixels); 1.29 + free_image(img); 1.30 + return tex; 1.31 +}