Re: Card's view of framebuffer offset into userspace?
Petr Vandrovec <[email protected]>
| Newsgroups | gmane.linux.fbdev.user |
|---|---|
| Message-ID | <[email protected]> |
On Sun, Jul 14, 2002 at 04:10:29PM +0300, Ville Syrjälä wrote: > Is there a way to ge the framebuffer offset to userspace? I hacked > DirectFB to draw to the crtc2 display but currently I've had to hardcode > the framebuffer offset. So I need something I can feed to tmy G400. In what environment? With matroxfb you have special framebuffer which is displayed by CRTC2 engine. Offset is not explicitly exported, but if you'll take low 24 bits from fb_start, you'll get offset on G400/G450/G550 devices. Accessing CRTC2's memory through primary head's framebuffer is not supported. Best regards, Petr Vandrovec [email protected] ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf