/// <summary>
/// Creates a standard VBO of type T where the length of the VBO is less than or equal to the length of the data.
/// </summary>
/// <typeparam name="T">The type of the data being stored in the VBO (make sure it's byte aligned).</typeparam>
/// <param name="target">The VBO BufferTarget (usually ArrayBuffer or ElementArrayBuffer).</param>
/// <param name="data">The data to store in the VBO.</param>
/// <param name="hint">The buffer usage hint (usually StaticDraw).</param>
/// <param name="length">The length of the VBO (will take the first 'length' elements from data).</param>
/// <returns>The buffer ID of the VBO on success, 0 on failure.</returns>
public static uint CreateVBO<T>(BufferTarget target, [In, Out] T[] data, BufferUsageHint hint, int length)
where T : struct
{
uint vboHandle = Gl.GenBuffer();
if (vboHandle == 0) return 0;
int size = length * Marshal.SizeOf(typeof(T));
#if MEMORY_LOGGER
MemoryLogger.AllocateVBO(vboHandle, size);
#endif
Gl.BindBuffer(target, vboHandle);
Gl.BufferData<T>(target, size, data, hint);
Gl.BindBuffer(target, 0);
return vboHandle;
}
/// <summary>
/// Creates a standard VBO of type T where the length of the VBO is less than or equal to the length of the data.
/// </summary>
/// <typeparam name="T">The type of the data being stored in the VBO (make sure it's byte aligned).</typeparam>
/// <param name="target">The VBO BufferTarget (usually ArrayBuffer or ElementArrayBuffer).</param>
/// <param name="data">The data to store in the VBO.</param>
/// <param name="hint">The buffer usage hint (usually StaticDraw).</param>
/// <param name="length">The length of the VBO (will take the first 'length' elements from data).</param>
/// <returns>The buffer ID of the VBO on success, 0 on failure.</returns>
public static uint CreateVBO <T>(BufferTarget target, [InAttribute, OutAttribute] T[] data, BufferUsageHint hint, int position, int length)
where T : struct
{
uint vboHandle = Gl.GenBuffer();
if (vboHandle == 0)
{
return(0);
}
int offset = position * Marshal.SizeOf(typeof(T));
int size = length * Marshal.SizeOf(typeof(T));
#if MEMORY_LOGGER
MemoryLogger.AllocateVBO(vboHandle, size - offset);
#endif
Gl.BindBuffer(target, vboHandle);
Gl.BufferData <T>(target, offset, size, data, hint);
Gl.BindBuffer(target, 0);
return(vboHandle);
}