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kvark's picture

ISized interface

Posted Thursday, 18 March, 2010 - 19:06 by kvark
Project:The Open Toolkit library
Version:all versions
Component:Code
Category:feature request
Priority:minor
Assigned:Unassigned
Status:closed
Description

It would be pretty useful to me if data structures like Vector* and Quaternion* are exposing some ISized interface that provides SizeInBytes-similar property.
Right now I'm using Marshal.SizeOf for that, because the data is hid under generics.


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kvark's picture

#1

Posted Friday, 19 March, 2010 - 13:57 by kvark

Submitting the Math patch.
It's just a matter of 2 clicks to accept, if you agree on it.

AttachmentSize
OpenTK.Math_.patch13.97 KB
zahirtezcan's picture

#2

Posted Friday, 19 March, 2010 - 14:32 by zahirtezcan

I am currently using a class like this:

public class SizeOf<T>
{
    public static readonly int Value = Marshal.Sizeof(typeof(T));
}
 
...
 
int stride = SizeOf<MyDataType>.Value;

it calls for the Marshal once and looks like the function you need. If this is a performance/design failure please let me know so I will switch to ISized interface usage.

kvark's picture

#3

Posted Friday, 19 March, 2010 - 14:52 by kvark

Thanks, this way looks good.
I hope it works correctly :)

kvark's picture

#4

Posted Friday, 19 March, 2010 - 15:48 by kvark
Status:open» closed

Works good :)

the Fiddler's picture

#5

Posted Saturday, 20 March, 2010 - 01:02 by the Fiddler

Check out OpenTK.BlittableValueType and OpenTK.BlittableValueType<T>, they implement exactly this.