upload static method
Implementation
static void upload(WxGLContext gl, List seq, Map<String, dynamic> values, [AngleTextures? textures]) {
for (int i = 0, n = seq.length; i != n; ++i) {
final u = seq[i];
final v = values[u.id];
if (v["needsUpdate"] != false) {
// note: always updating when .needsUpdate is null
u.setValue(gl, v["value"], textures);
}
}
}