data.height = ilGetInteger(IL_IMAGE_HEIGHT);
data.stride = data.width*ilGetInteger(IL_IMAGE_BYTES_PER_PIXEL);
unsigned data_size = data.stride*data.height;
data.height = ilGetInteger(IL_IMAGE_HEIGHT);
data.stride = data.width*ilGetInteger(IL_IMAGE_BYTES_PER_PIXEL);
unsigned data_size = data.stride*data.height;