nanogui: Porting to a custom video device ???
Subject:
Porting to a custom video device ???
From:
"Gordon Minns" ####@####.####
Date:
23 May 2001 21:27:04 -0000
Message-Id: <001c01c0e3ce$fe03bd80$0400a8c0@localdomain>
Hi All...
I plan to use MicroWindows on a Mach-Z (x86) chip in a handheld Linux device that uses a new full-color LCOS-like (color liquid crystal) 600x800 display technology. That means I will have to write a custom display driver.
The display device will be interfaced via the PCI bus, and has a region of memory to hold the pixel data, which is a simple linear array, mapped one-to-one with the physical pixels on the display itself.
In essence, I need to let MicroWindows write an image (eg to a frame buffer), and once I understand where the image data is actually located, I can write some code to decompose the image data into Red/Blue/Green fields, then send it out to the display hardware.
Could someone give me some pointers on how to "find" and reference the frame buffer address space, and possibly some guidance on setting up MicroWindows so that it creates 24-bit color data for a 600x800 display space and puts it into a framebuffer?
Thanks,
Gordon Minns
