glTexParameteri(target, GL_GENERATE_MIPMAP_SGIS, gen_mipmap);
if(mask&COMPARE)
glTexParameteri(target, GL_TEXTURE_COMPARE_MODE, (compare ? GL_COMPARE_R_TO_TEXTURE : GL_NONE));
glTexParameteri(target, GL_GENERATE_MIPMAP_SGIS, gen_mipmap);
if(mask&COMPARE)
glTexParameteri(target, GL_TEXTURE_COMPARE_MODE, (compare ? GL_COMPARE_R_TO_TEXTURE : GL_NONE));