/// <summary>
/// Creates a new vertex buffer with a specific size
/// </summary>
/// <param name="elementCount"></param>
protected override void CreateBuffer(int elementCount)
{
VertexBuffer buffer = null;
switch (_bufferType)
{
case BufferType.Static:
buffer = new VertexBuffer(_device, _vertexDeclaration, elementCount, BufferUsage.None);
break;
case BufferType.StaticWriteOnly:
buffer = new VertexBuffer(_device, _vertexDeclaration, elementCount, BufferUsage.WriteOnly);
break;
case BufferType.Dynamic:
buffer = new DynamicVertexBuffer(_device, _vertexDeclaration, elementCount, BufferUsage.None);
break;
case BufferType.DynamicWriteOnly:
buffer = new DynamicVertexBuffer(_device, _vertexDeclaration, elementCount, BufferUsage.WriteOnly);
break;
}
if(buffer == null) throw new InvalidOperationException("Failed to create a vertex buffer");
CreateWrapper(buffer);
BufferAllocatedEventArgs e = new BufferAllocatedEventArgs(this, elementCount);
OnVertexBufferAllocated(e);
}
/// <summary>
/// Raises the VertexBufferAllocated event
/// </summary>
/// <param name="e">Argument</param>
private void OnVertexBufferAllocated(BufferAllocatedEventArgs e)
{
EventHandler<BufferAllocatedEventArgs> bufferAllocated = VertexBufferAllocated;
if (bufferAllocated != null)
bufferAllocated(this, e);
}
/// <summary>
/// Calls when a vertex buffer object allocate a new hardware vertex buffer
/// </summary>
/// <param name="sender">Sender</param>
/// <param name="e">Argument</param>
private void BufferAllocated(object sender, BufferAllocatedEventArgs e)
{
UpdateBindingArray();
}
