dbf-udg
diff src/texture.c @ 3:403ec1be3a1a
foo
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Fri, 11 Jan 2013 22:52:56 +0200 |
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children |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/texture.c Fri Jan 11 22:52:56 2013 +0200 1.3 @@ -0,0 +1,31 @@ 1.4 +#include <stdio.h> 1.5 +#include "opengl.h" 1.6 +#include <imago2.h> 1.7 +#include "texture.h" 1.8 + 1.9 +unsigned int load_texture(const char *fname) 1.10 +{ 1.11 + int xsz, ysz; 1.12 + void *pixels; 1.13 + unsigned int tex; 1.14 + 1.15 + if(!(pixels = img_load_pixels(fname, &xsz, &ysz, IMG_FMT_RGB24))) { 1.16 + fprintf(stderr, "failed to load texture: %s\n", fname); 1.17 + return 0; 1.18 + } 1.19 + 1.20 + glGenTextures(1, &tex); 1.21 + glBindTexture(GL_TEXTURE_2D, tex); 1.22 + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 1.23 + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 1.24 + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, xsz, ysz, 0, GL_RGB, GL_UNSIGNED_BYTE, pixels); 1.25 + 1.26 + img_free_pixels(pixels); 1.27 + 1.28 + return tex; 1.29 +} 1.30 + 1.31 +void free_texture(unsigned int tex) 1.32 +{ 1.33 + glDeleteTextures(1, &tex); 1.34 +}