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emersion f8a50e4fe7 backend/drm: steal CRTCs from disabled outputs ... This commit allows outputs that need a CRTC to steal it from user-disabled outputs. Note that in the case there are enough CRTCs, disabled outputs don't loose it (so there's no modeset and plane initialization needed after DPMS). CRTC allocation still prefers to keep the old configuration, even if that means allocating an extra CRTC to a disabled output. CRTC reallocation now happen when enabling/disabling an output as well as when trying to modeset. When enabling an output without a CRTC, we realloc to try to steal a CRTC from a disabled output (that doesn't really need the CRTC). When disabling an output, we try to give our CRTC to an output that needs one. Modesetting is similar to enabling. A new DRM connector field has been added: `desired_enabled`. Outputs without CRTCs get automatically disabled. This field keeps track of the state desired by the user, allowing to automatically re-enable outputs when a CRTC becomes free. This required some changes to the allocation algorithm. Previously, the algorithm tried to keep the previous configuration even if a new configuration with a better score was possible (it only changed configuration when the old one didn't work anymore). This is now changed and the old configuration (still preferred) is only retained without considering new possibilities when it's perfect (all outputs have CRTCs). User-disabled outputs now have `possible_crtcs` set to 0, meaning they can only retain a previous CRTC (not acquire a new one). The allocation algorithm has been updated to do not bump the score when assigning a CRTC to a disabled output.		6 years ago
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backend	backend/drm: steal CRTCs from disabled outputs	6 years ago
render	gles2: change context when it is not current	6 years ago
rootston	layer-shell: add _v1 suffix	6 years ago
types	Merge pull request #1127 from emersion/surface-precommit	6 years ago
util	Another round of feedback from acrisci	6 years ago
wlr	Merge pull request #1241 from emersion/output-enable-error-checking	6 years ago
xcursor	Add xcursor sublibrary	7 years ago
xwayland	xwayland: Introduce set_role event	6 years ago
meson.build	config: Avoid clash with other config-headers	7 years ago