private boolean initVertexArray(GL4 gl4) {
gl4.glGenVertexArrays(1, vertexArrayName, 0);
gl4.glBindVertexArray(vertexArrayName[0]);
{
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName[Buffer.F64.ordinal()]);
gl4.glVertexAttribLPointer(Semantic.Attr.POSITION, 3, GL_DOUBLE, 3 * Double.BYTES, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl4.glEnableVertexAttribArray(Semantic.Attr.POSITION);
}
gl4.glBindVertexArray(0);
return checkError(gl4, "initVertexArray");
}
