/// <summary>
/// 为给定VBO执行渲染时所需的操作。
/// </summary>
/// <param name="bufferID">用GL.GenBuffers()得到的VBO的ID。</param>
/// <param name="length">此VBO含有多个个元素？</param>
internal BufferPtr(uint bufferID, int length, int byteLength)
{
if (glBindBuffer == null)
{
glBindBuffer = OpenGL.GetDelegateFor <OpenGL.glBindBuffer>();
glDeleteBuffers = OpenGL.GetDelegateFor <OpenGL.glDeleteBuffers>();
}
this.BufferId = bufferID;
this.Length = length;
this.ByteLength = byteLength;
}
/// <summary>
/// 为给定VBO执行渲染时所需的操作。
/// </summary>
/// <param name="bufferID">用GL.GenBuffers()得到的VBO的ID。</param>
/// <param name="length">此VBO含有多个个元素？</param>
internal BufferPtr(uint bufferID, int length, int byteLength)
{
if (glBindBuffer == null)
{
glBindBuffer = OpenGL.GetDelegateFor<OpenGL.glBindBuffer>();
glDeleteBuffers = OpenGL.GetDelegateFor<OpenGL.glDeleteBuffers>();
}
this.BufferId = bufferID;
this.Length = length;
this.ByteLength = byteLength;
}