protected override void SetDataInternal <T>(T[] data, BufferDataUsage usage)
{
// ohhh yeahh
int size = data.Length * Marshal.SizeOf(typeof(T));
GCHandle ptr = GCHandle.Alloc(data, GCHandleType.Pinned);
try
{
Internal.OpenGL.Methods.glBufferData(OpenGLEngine.BufferTargetToGLBufferTarget(_target), size, ptr.AddrOfPinnedObject(), OpenGLEngine.BufferDataUsageToGLBufferDataUsage(usage));
}
finally
{
ptr.Free();
}
Internal.OpenGL.Methods.glErrorToException();
}
internal static Constants.GLBufferDataUsage BufferDataUsageToGLBufferDataUsage(BufferDataUsage usage)
{
switch (usage)
{
case BufferDataUsage.DynamicCopy: return(Constants.GLBufferDataUsage.DynamicCopy);
case BufferDataUsage.DynamicDraw: return(Constants.GLBufferDataUsage.DynamicDraw);
case BufferDataUsage.DynamicRead: return(Constants.GLBufferDataUsage.DynamicRead);
case BufferDataUsage.StaticCopy: return(Constants.GLBufferDataUsage.StaticCopy);
case BufferDataUsage.StaticDraw: return(Constants.GLBufferDataUsage.StaticDraw);
case BufferDataUsage.StaticRead: return(Constants.GLBufferDataUsage.StaticRead);
case BufferDataUsage.StreamCopy: return(Constants.GLBufferDataUsage.StreamCopy);
case BufferDataUsage.StreamDraw: return(Constants.GLBufferDataUsage.StreamDraw);
case BufferDataUsage.StreamRead: return(Constants.GLBufferDataUsage.StreamRead);
}
throw new InvalidEnumerationException();
}
public void SetData <T>(T[] data, BufferDataUsage usage)
{
SetDataInternal <T>(data, usage);
}
protected abstract void SetDataInternal <T>(T[] data, BufferDataUsage usage);
