libresman
diff examples/imgthumbs/src/thumbs.c @ 2:026cdd1737ff
added spaceball controls to the example and needless GLEW dependency
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Fri, 31 Jan 2014 03:40:00 +0200 |
| parents | 469ce01809bc |
| children | 410c19c735b2 |
line diff
1.1 --- a/examples/imgthumbs/src/thumbs.c Fri Jan 31 03:17:24 2014 +0200 1.2 +++ b/examples/imgthumbs/src/thumbs.c Fri Jan 31 03:40:00 2014 +0200 1.3 @@ -13,6 +13,12 @@ 1.4 struct dirent *dent; 1.5 struct thumbnail *list = 0; 1.6 1.7 + unsigned int intfmt = GL_COMPRESSED_RGB; 1.8 + if(!GLEW_ARB_texture_compression) { 1.9 + printf("warning, no texture compression available.\n"); 1.10 + intfmt = GL_RGB; 1.11 + } 1.12 + 1.13 if(!(dir = opendir(dirpath))) { 1.14 fprintf(stderr, "failed to open directory: %s: %s\n", dirpath, strerror(errno)); 1.15 return 0; 1.16 @@ -50,7 +56,7 @@ 1.17 glBindTexture(GL_TEXTURE_2D, node->tex); 1.18 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 1.19 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 1.20 - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, xsz, ysz, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels); 1.21 + glTexImage2D(GL_TEXTURE_2D, 0, intfmt, xsz, ysz, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels); 1.22 img_free_pixels(pixels); 1.23 1.24 node->aspect = (float)xsz / (float)ysz;