Linked by Hadrien Grasland on Tue 25th Jan 2011 15:29 UTC, submitted by sparklewind
BeOS & Derivatives A few months ago, a bounty for porting Gallium3D to Haiku was submitted. As the target sum of $2000 has been reached, what's needed now is a developer interested in doing the actual coding work. (Gallium3D is a cross-platform video driver API, on which an increasing number of open-source Linux drivers are based.)
Permalink for comment 459759
To read all comments associated with this story, please click here.
adamk
Member since:
2005-07-08

"Why not accept that people actually knew what they were voting for and that I knew what I was talking about above?


Because I *seriously* doubt the > 1000 poll takers that I was referring to have tried Haiku on a large percentage of hardware
"

They don't need to have tried it on a large percentage of hardware. They need to have tested it on their hardware and run into a problem with modesetting. I see no reason to doubt that's the case.


And, so, what do you propose is the solution to this problem of modern AMD/nvidia cards not having working 2d acceleration support? Clearly Haiku supports 2d acceleration and modesetting, and only the drivers are missing. Are you proposing that Haiku needs to implement the Linux graphics stack and port all the Linux drivers (including closed source, binary ones from nvidia)?


No need to implement the binary ones. nouveau supports 2D acceleration, as does radeon. I can't speak directly about nouveau, but there isn't a radeon GPU (currently released) that doesn't have 2D acceleration and modesetting in open source drivers on linux. And, no, I don't suggest reimplementing the linux graphics stack. I suggest focusing on further development of the 2D drivers for Haiku that already exist to support more modern GPUs.


Note: This is different than the 3d acceleration problem where there is no current example of working 3d acceleration in Haiku. That is why I believe the Gallium3d port is arguably more important.


I would consider an example of working 3D acceleration in Haiku to be a low priority if users are going to have a hard time getting modesetting working on most of the GPUs you can currently buy off the shelf.

If the developers can't keep up with 2D acceleration for GPUs on the market, what's going to happen with the 3D support? In two years time, that 3D driver is going to support GPUs not easily available, and the 2D situation will be even worse than it is now.

In fact let's take a look at the situation with radeon GPUs (since they are the ones I'm most familiar with). gallium3d currently supports 3D acceleration on all radeons from the r300 family and up. r300, r400, and r500 are supported via the r300g driver. r600 and higher (up to the Northern Islands / r900) are supported via the r600g driver. Which of those GPUs have 2D acceleration and modesetting in Haiku? r300 and r400. There may be a few places where you can still buy those GPUs, but by the time the gallium3d port is completed, finding one will be a challenge to even the best shopper.

BTW, that's 5 generations of radeon GPUs that have no acceleration or modesetting. Some of those, obviously, may support HD resolutions if the video card itself is programmed with them, but that is not the case with the dozen AMD video card I've tested here.


And while we're quoting my emails, why not also include this bit:

"I didn't intend to imply we should ignore the result entirely - what I meant to imply is that the result is of little value. It doesn't tell us which hardware we need to focus efforts on first - we're obviously
not going to have video mode setting drivers for every piece of hardware ready for R1, so setting that goal will basically delay R1 indefinitely.
"

Because, frankly, I don't find the poll results of little value. I see no reason to take the results at anything but face value.

Edited 2011-01-26 23:15 UTC

Reply Parent Score: 2