amdgpu 4k at 120Hz / HDMI 2.1

Mischa Baars mjbaars1977.backup at gmail.com
Fri Jan 10 09:54:52 UTC 2025


On Thu, Jan 9, 2025 at 3:57 PM Michel Dänzer <michel.daenzer at mailbox.org> wrote:

> That's much lower level than OpenGL. OpenGL implementations can and do internally use page flipping under the right circumstances, it cannot be enforced via OpenGL / GLX / EGL APIs though, it's an implementation detail.

It is indeed low level and somewhat outdated too. The instructions to
read / write these registers are CPL0 nowadays. They weren't back then
:)

> A big point of GL_BACK (and double buffering in general) is that it's not what's currently visible on screen, so there can be no artifacts due to visible unfinished frame contents.

Great! I suppose it will do.


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