vertexAttribPointer method
Implementation
void vertexAttribPointer(int index, int size, int type, bool normalized, int stride, int offset) {
startCheck('vertexAttribPointer');
Pointer<Void> offsetPointer = Pointer<Void>.fromAddress(offset);
gl.glVertexAttribPointer(index, size, type, normalized ? 1 : 0, stride, offsetPointer);
checkError('vertexAttribPointer');
}