- Posts: 5
- Joined: Thu Dec 27, 2012 8:34 am
Wed Jan 09, 2013 7:02 am
Using Opengl, I want to show Image. (HD-SDI)
When using "glBlendFunc()", one image is well, but two or over have a problem.
There are unprepared border-line Alpha value . (please see attachment file)
This is key value. so overlap part must be white!!
Actually this is not a "Decklink" Problems.
But if you know solve this problem, or useful information. please help me.
When using "glBlendFunc()", one image is well, but two or over have a problem.
There are unprepared border-line Alpha value . (please see attachment file)
This is key value. so overlap part must be white!!
Actually this is not a "Decklink" Problems.
But if you know solve this problem, or useful information. please help me.
- Attachments
-
- Alpha.jpg (7.54 KiB) Viewed 725 times