On Wed, 5 Mar 2025, Mark Cave-Ayland wrote:
On 03/03/2025 17:52, Hab Gallagher wrote:
(added Gerd on CC)
That driver is for a VGA device which I think does not support gamma in
hardware. QEMU emulates the hardware so if it does not support gamma
then
there's no place to add it in
On 03/03/2025 17:52, Hab Gallagher wrote:
(added Gerd on CC)
That driver is for a VGA device which I think does not support gamma in
hardware. QEMU emulates the hardware so if it does not support gamma then
there's no place to add it in QEMU. Therefore if you want to emulate gamma
On Mon, 3 Mar 2025, Hab Gallagher wrote:
That driver is for a VGA device which I think does not support gamma in
hardware. QEMU emulates the hardware so if it does not support gamma then
there's no place to add it in QEMU. Therefore if you want to emulate gamma
on VGA this should be done within t
>
> That driver is for a VGA device which I think does not support gamma in
> hardware. QEMU emulates the hardware so if it does not support gamma then
> there's no place to add it in QEMU. Therefore if you want to emulate gamma
> on VGA this should be done within the guest driver but that may be s
On Mon, 3 Mar 2025, Howard Spoelstra wrote:
Perhaps this is also of interest:
https://github.com/SolraBizna/mac_qfb_driver
The nubus declaration rom supports gamma correction.
Yes that's also a way. This is for m68k/q800 but a PCI version of that qfb
device might also work for PPC Macs. It sho
Perhaps this is also of interest:
https://github.com/SolraBizna/mac_qfb_driver
The nubus declaration rom supports gamma correction.
Best,
Howard
Hello,
On Sun, 2 Mar 2025, Hab Gallagher wrote:
I have interest in contributing patches to extend qemu's powerpc graphics
card emulation to include more comprehensive support for gamma. Some
classic mac applications will balk at launch if the graphics card doesn't
claim enough support for gamma
Hi.
I have interest in contributing patches to extend qemu's powerpc graphics
card emulation to include more comprehensive support for gamma. Some
classic mac applications will balk at launch if the graphics card doesn't
claim enough support for gamma tricks. Native parity should be possible,
allo