/// <summary>
/// 一个vertex array object。（即VAO）
/// <para>VAO是用来管理VBO的。可以进一步减少DrawCall。</para>
/// </summary>
/// <param name="propertyBuffers">给出此VAO要管理的所有VBO。</param>
public VertexArrayObject(params BufferRenderer[] propertyBuffers)
{
bool indexBufferExists = false;
this.bufferRenderers = propertyBuffers;
foreach (var item in propertyBuffers)
{
var renderer = item as IndexBufferRendererBase;
if (renderer != null)
{
if (this.indexBufferRenderer != null)
{
throw new Exception("More than 1 index buffer renderer!");
}
else
{
indexBufferRenderer = renderer;
indexBufferExists = true;
}
}
}
if (!indexBufferExists)
{
throw new Exception("No index buffer renderer exists!");
}
}
/// <summary>
/// 一个vertex array object。（即VAO）
/// <para>VAO是用来管理VBO的。可以进一步减少DrawCall。</para>
/// </summary>
/// <param name="propertyBuffers">给出此VAO要管理的所有VBO。</param>
public VertexArrayObject(params BufferRenderer[] propertyBuffers)
{
bool indexBufferExists = false;
this.bufferRenderers = propertyBuffers;
foreach (var item in propertyBuffers)
{
if (item == null)
{
throw new ArgumentException();
}
var renderer = item as IndexBufferRendererBase;
if (renderer != null)
{
if (this.indexBufferRenderer != null)
{
throw new Exception("More than 1 index buffer renderer!");
}
else
{
indexBufferRenderer = renderer;
indexBufferExists = true;
}
}
}
if (!indexBufferExists)
{
throw new Exception("No index buffer renderer exists!");
}
}
private void Dispose(bool disposing)
{
if (this.disposedValue == false)
{
if (disposing)
{
// Dispose managed resources.
}
// Dispose unmanaged resources.
uint[] arrays = new uint[] { this.ID };
this.ID = 0;
GL.DeleteVertexArrays(1, new uint[] { this.ID });
foreach (var item in this.bufferRenderers)
{
item.Dispose();
}
this.indexBufferRenderer.Dispose();
this.bufferRenderers = null;
this.indexBufferRenderer = null;
}
this.disposedValue = true;
}
private void Dispose(bool disposing)
{
if (this.disposedValue == false)
{
if (disposing)
{
// Dispose managed resources.
}
// Dispose unmanaged resources.
uint[] arrays = new uint[] { this.ID };
this.ID = 0;
GL.DeleteVertexArrays(1, new uint[] { this.ID });
foreach (var item in this.bufferRenderers)
{
item.Dispose();
}
this.indexBufferRenderer.Dispose();
this.bufferRenderers = null;
this.indexBufferRenderer = null;
}
this.disposedValue = true;
}