private void EnableAttributes(ShaderProgram shader, Dictionary <object, VertexAttribute> attributes, int bufferID)
{
foreach (KeyValuePair <object, VertexAttribute> a in attributes)
{
int location = -1;
if (a.Key is string)
{
location = shader.GetAttribute((string)a.Key);
}
else
{
location = (int)a.Key;
}
GL.EnableVertexAttribArray(location);
GL.BindBuffer(BufferTarget.ArrayBuffer, bufferID);
if (a.Value.type == VertexAttribPointerType.Int)
{
GL.VertexAttribIPointer(location, a.Value.size, VertexAttribIntegerType.Int, a.Value.stride, new System.IntPtr(a.Value.offset));
}
else
{
GL.VertexAttribPointer(location, a.Value.size, a.Value.type, a.Value.normalized, a.Value.stride, a.Value.offset);
}
if (a.Value.instance)
{
GL.VertexAttribDivisor(location, a.Value.divisor);
}
}
}
private void DisableAttributes(ShaderProgram shader, Dictionary <object, VertexAttribute> attributes)
{
foreach (KeyValuePair <object, VertexAttribute> a in attributes)
{
int location = -1;
if (a.Key is string)
{
location = shader.GetAttribute((string)a.Key);
}
else
{
location = (int)a.Key;
}
GL.DisableVertexAttribArray(location);
}
}
