Re: Copy a buffer of GUI to texture buffer of Opengl?
Carsten Haitzler (The Rasterman) <[email protected]>
| Newsgroups | gmane.comp.xfree86.devel |
|---|---|
| Organization | You expect me to be organized? |
| Message-ID | <[email protected]> |
On Sat, 22 Oct 2005 10:49:47 +0800 "解利军" <[email protected]> babbled: > Hi, > > Is it possible to copy a buffer of GUI to textrue buffer of Opengl directly > or on card with several additional copy? > > With the help of Mark Vojkovich, I find it possible to copy an area of X > screen to opengl front buffer with function XCopyArea, however I want to get > more, I wish to copy it directly to the texture buffer of openGL. Is it > possible ? I find it's possible in MSWindows with DirectX. It treats the > desktop and texture buffer as the same kind thing. But I wonder if opengl > combines with the X system so tightly too. Daniel 2005-10-22 the xgl work added an extension to glx that allowed direct copies from pixmap to texture. this is the only method i know about. -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) [email protected] 裸好多 Tokyo, Japan (東京 日本)