if(gradient) {
gradient->num = num;
gradient->rgba = rfx_calloc(sizeof(RGBA)*gradient->num);
gradient->ratios = rfx_calloc(sizeof(gradient->ratios[0])*gradient->num);
}
if(gradient) {
gradient->num = num;
gradient->rgba = rfx_calloc(sizeof(RGBA)*gradient->num);
gradient->ratios = rfx_calloc(sizeof(gradient->ratios[0])*gradient->num);
}