add comment explaining the purpose of that line (because I noticed it was rather vague)

This commit is contained in:
jp9000 2013-12-13 10:32:05 -07:00
parent 61c6defd77
commit 8dea4d60ef

View File

@ -247,6 +247,8 @@ void device_load_texture(device_t device, texture_t tex, int unit)
if (!gl_active_texture(GL_TEXTURE0 + unit))
goto fail;
/* the target for the previous text may not be the same as the
* next texture, so unbind the previous texture first to be safe */
if (cur_tex && (!tex || cur_tex->gl_target != tex->gl_target))
gl_bind_texture(cur_tex->gl_target, 0);