Graphics beyondthe main compositor

   

“Happy Place”

● no complex hardware● trivial software rendering● no external vendor libraries● no timing issues

   

“Happy Place”

● no complex hardware● trivial software rendering● no external vendor libraries● no timing issues

..so I was told.

   Firmware

BOOT

Kernel

PLY

systemd­logind

PLY

Login Manager

Desktop Environment

System Console

   Firmware

BOOT

Kernel

PLY

systemd­logind

PLY

Login Manager

Desktop Environment

System Console

   

Hide!

   

Functionality vs. Eye­candy

   

● “Branding” / eye­candy● Passwords / Options● Debugging / Error handling

   

Branding

● Distraction, not attraction

   

Branding

● Distraction, not attraction● Branding is crucial

   

Debugging / Error­Handling

● Universal Console + System­log

   

Debugging / Error­Handling

● Universal Console + System­log● drmlog

   

● Multi­column● Integer scaling● Atomic modesetting

   

Debugging / Error­Handling

● Universal Console + System­log● drmlog● systemd­emergencyd● systemd­consoled

   

User­Interaction

● polkit et. al.

   

User­Interaction

● polkit et. al.– SAK

   

Challenges

   

“Every frame is perfect”(wayland style)

   

“Every frame is perfect”(wayland style)BROKEN

   

software­rendering

   

software­renderingDONE

   

hardware­handover

   

hardware­handoverDONE

   

Multi GPU

   

Multi GPUDONE

   

Internationalizationand

Accessibility

   

Internationalizationand

AccessibilityPARTLY

   

Global Hotkeys

   

Global Hotkeys

BROKEN

   

Non KMS?