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Jonas Ådahl 1818d21da5 Introduce virtual monitors 
Virtual monitors are monitors that isn't backed by any monitor like
hardware. It would typically be backed by e.g. a remote desktop service,
or a network display.

It is currently only supported by the native backend, and whether the
X11 backend will ever see virtual monitors is an open question. This
rest of this commit message describes how it works under the native
backend.

Each virutal monitor consists of virtualized mode setting components:

 * A virtual CRTC mode (MetaCrtcModeVirtual)
 * A virtual CRTC (MetaCrtcVirtual)
 * A virtual connector (MetaOutputVirtual)

In difference to the corresponding mode setting objects that represents
KMS objects, the virtual ones isn't directly tied to a MetaGpu, other
than the CoglFramebuffer being part of the GPU context of the primary
GPU, which is the case for all monitors no matter what GPU they are
connected to. Part of the reason for this is that a MetaGpu in practice
represents a mode setting device, and its CRTCs and outputs, are all
backed by real mode setting objects, while a virtual monitor is only
backed by a framebuffer that is tied to the primary GPU. Maybe this will
be reevaluated in the future, but since a virtual monitor is not tied to
any GPU currently, so is the case for the virtual mode setting objects.

The native rendering backend, including the cursor renderer, is adapted
to handle the situation where a CRTC does not have a GPU associated with
it; this in practice means that it e.g. will not try to upload HW cursor
buffers when the cursor is only on a virtual monitor. The same applies
to the native renderer, which is made to avoid creating
MetaOnscreenNative for views that are backed by virtual CRTCs, as well
as to avoid trying to mode set on such views.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1698>
2021-03-12 15:09:45 +00:00
..
native Introduce virtual monitors 2021-03-12 15:09:45 +00:00
x11 backends/x11: Pass the seat to the input settings 2021-03-10 16:18:24 +00:00
edid-parse.c Clean up include macros mess 2018-11-06 17:17:36 +01:00
edid.h edid: Remove unused declarations 2014-09-12 11:55:08 -06:00
gsm-inhibitor-flag.h idle-monitor: Take idle inhibition into account 2018-04-16 13:28:03 +02:00
meta-backend-private.h backend: Add 'prepare-shutdown' signal 2021-03-12 15:09:45 +00:00
meta-backend-types.h Introduce virtual monitors 2021-03-12 15:09:45 +00:00
meta-backend.c backend: Only show cursor when showing stage if pointer is present 2021-03-12 15:09:45 +00:00
meta-barrier-private.h Use G_DECLARE_DERIVABLE/FINAL_TYPE on some types 2018-12-21 19:48:50 +00:00
meta-barrier.c src: Stop using GSlice 2021-02-22 13:52:27 +01:00
meta-crtc-mode.c crtc-kms: Make KMS CRTC mode a type inheriting MetaCrtcMode 2020-06-11 09:20:16 +00:00
meta-crtc-mode.h crtc-kms: Make KMS CRTC mode a type inheriting MetaCrtcMode 2020-06-11 09:20:16 +00:00
meta-crtc.c monitor-manager: Connect assigned CRTCs to their outputs both ways 2021-01-22 16:47:08 +00:00
meta-crtc.h monitor-manager: Connect assigned CRTCs to their outputs both ways 2021-01-22 16:47:08 +00:00
meta-cursor-renderer.c backend: Pass stage view to cursor-painted signal 2021-03-08 09:48:12 +00:00
meta-cursor-renderer.h backend: Pass stage view to cursor-painted signal 2021-03-08 09:48:12 +00:00
meta-cursor-sprite-xcursor.c cursor-sprite/xcursor: Fall back to gray square if missing theme 2020-11-16 13:49:05 +00:00
meta-cursor-sprite-xcursor.h cursor-renderer: Fetch instead of pass Xcursor image when realizing 2018-06-15 19:09:52 +00:00
meta-cursor-tracker-private.h core: Centralize cursor renderer and tracker updates 2020-11-27 15:14:33 +00:00
meta-cursor-tracker.c backends: Make pointer cursor invisible until the stage is shown 2020-11-27 15:14:33 +00:00
meta-cursor.c backends: Add argument for best scale on MetaCursorSprite::prepare-at 2020-11-27 15:14:33 +00:00
meta-cursor.h backends: Add argument for best scale on MetaCursorSprite::prepare-at 2020-11-27 15:14:33 +00:00
meta-dbus-session-watcher.c dbus-session-watcher: Chain up to parent finalize() 2019-10-14 09:09:01 +02:00
meta-dbus-session-watcher.h Add remote desktop and screen cast functionality 2017-08-29 14:39:04 +08:00
meta-display-config-shared.h Use a consistent style for enum braces 2019-02-28 09:31:01 +01:00
meta-dnd-private.h compositor: Move out X11 compositing code into sub type 2019-08-19 08:44:58 +00:00
meta-egl-ext.h EGL: Include EGL/eglmesaext.h 2019-10-21 14:04:30 +00:00
meta-egl.c EGL: Include EGL/eglmesaext.h 2019-10-21 14:04:30 +00:00
meta-egl.h EGL: Include EGL/eglmesaext.h 2019-10-21 14:04:30 +00:00
meta-gles3-table.h backends: Add OpenGL ES 3 abstraction layer 2017-10-05 18:17:26 -04:00
meta-gles3.c Fix const qualifier usage 2019-01-22 18:31:53 +01:00
meta-gles3.h Fix const qualifier usage 2019-01-22 18:31:53 +01:00
meta-gpu.c output: Move output info to MetaOutputInfo struct 2020-06-10 18:54:50 +00:00
meta-gpu.h backend: Move GPU ownership from the monitor manager to the backend 2019-06-20 13:31:55 +00:00
meta-idle-monitor-dbus.c src: Stop using GSlice 2021-02-22 13:52:27 +01:00
meta-idle-monitor-dbus.h Start molding out a new src/backends/ dir 2014-03-31 22:11:00 -04:00
meta-idle-monitor-private.h backends: Do not use device IDs on idle monitors 2020-01-30 18:11:23 +01:00
meta-idle-monitor.c src: Stop using GSlice 2021-02-22 13:52:27 +01:00
meta-input-device-private.h backends: Add MetaInputDevice derivable class 2020-03-24 18:07:31 +00:00
meta-input-device.c backends: move 'input_device' to HAVE_LIBWACOM scope 2020-05-03 23:35:03 +01:00
meta-input-mapper-private.h backends: Make MetaInputMapper take over MetaInputSettings public API 2020-11-27 15:14:33 +00:00
meta-input-mapper.c virtual-input-device/native: Emit added/removed events 2021-02-23 10:05:32 +00:00
meta-input-settings-dummy.c backends/x11: Add dummy input-settings implementation 2021-03-10 13:56:54 +00:00
meta-input-settings-dummy.h backends/x11: Add dummy input-settings implementation 2021-03-10 13:56:54 +00:00
meta-input-settings-private.h backends: Handle numlock saving/restoring directly in backends 2020-11-27 15:14:33 +00:00
meta-input-settings.c backends/input-settings: Do not disconnect seat signals 2021-03-10 16:18:25 +00:00
meta-keymap-utils.c *: Fix spelling mistakes found by codespell 2020-08-29 09:10:31 +00:00
meta-keymap-utils.h compositor: use XDG_CONFIG_HOME as initial lookup path for xkb 2020-06-08 11:29:30 +00:00
meta-logical-monitor.c crtc: Move MetaCrtcConfig field to instance private 2020-06-10 18:54:50 +00:00
meta-logical-monitor.h *: Fix spelling mistakes found by codespell 2020-08-29 09:10:31 +00:00
meta-monitor-config-manager.c src: Stop using GSlice 2021-02-22 13:52:27 +01:00
meta-monitor-config-manager.h monitor-manager: Rename *Info structs to *Assignment 2020-06-10 18:54:50 +00:00
meta-monitor-config-migration.c monitor-config-migration: Discard if configured mode is missing 2017-10-04 09:45:02 -04:00
meta-monitor-config-migration.h meta: Hide libmutter symbols by default and selectively export them 2019-01-23 14:18:13 +01:00
meta-monitor-config-store.c monitor-config-store: Properly escape monitor spec 2021-01-29 16:49:58 +00:00
meta-monitor-config-store.h meta: Hide libmutter symbols by default and selectively export them 2019-01-23 14:18:13 +01:00
meta-monitor-manager-dummy.c Change all g_memdup() to g_memdup2() 2021-02-04 19:16:28 +01:00
meta-monitor-manager-dummy.h crtc: Make implementations inherit MetaCrtc 2020-06-10 18:54:51 +00:00
meta-monitor-manager-private.h Introduce virtual monitors 2021-03-12 15:09:45 +00:00
meta-monitor-manager.c Introduce virtual monitors 2021-03-12 15:09:45 +00:00
meta-monitor-transform.c monitor-transform: Add API to transform point 2020-03-26 16:18:28 +00:00
meta-monitor-transform.h crtc: Move all_transforms field into instance private 2020-06-10 18:54:50 +00:00
meta-monitor.c monitor: Unset output monitor when disposing 2021-03-12 15:09:45 +00:00
meta-monitor.h monitor: Attach to backend instead of GPU 2021-03-12 15:09:45 +00:00
meta-orientation-manager.c backends: Add method/property to get accelerometer availability 2020-09-05 07:25:02 +00:00
meta-orientation-manager.h backends: Add method/property to get accelerometer availability 2020-09-05 07:25:02 +00:00
meta-output.c monitor: Unset output monitor when disposing 2021-03-12 15:09:45 +00:00
meta-output.h Introduce virtual monitors 2021-03-12 15:09:45 +00:00
meta-pointer-constraint.c backends: Delegate pointer confinements to an impl object 2020-11-27 15:14:33 +00:00
meta-pointer-constraint.h backends: Delegate pointer confinements to an impl object 2020-11-27 15:14:33 +00:00
meta-profiler.c Remove misplaced line break in g_* logging functions 2020-10-08 16:38:41 +02:00
meta-profiler.h profile: Add a Sysprof-based profiler 2019-05-31 11:57:07 -03:00
meta-remote-access-controller-private.h remote-access-controller: Allow inhibiting remote access 2020-04-27 14:31:06 +00:00
meta-remote-access-controller.c remote-access-handle: Add 'is-recording' property 2020-07-31 10:41:38 +02:00
meta-remote-desktop-session.c remote-desktop/session: Add CapsLockState and NumLockState properties 2021-03-04 17:39:08 +00:00
meta-remote-desktop-session.h remote-desktop/session: Add support for SelectionTransfer/Write 2021-02-05 16:44:27 +00:00
meta-remote-desktop.c remote-desktop: Add backend getter 2021-03-04 17:39:08 +00:00
meta-remote-desktop.h remote-desktop: Add backend getter 2021-03-04 17:39:08 +00:00
meta-renderer-view.c renderer-view: Use graphene APIs 2020-10-06 15:34:48 +00:00
meta-renderer-view.h renderer-view: Keep track of what CRTC it is associated with 2020-07-02 19:36:50 +02:00
meta-renderer.c tests/monitor: Check that the CRTC "layout" is correct 2021-01-22 16:47:08 +00:00
meta-renderer.h tests/monitor: Check that the CRTC "layout" is correct 2021-01-22 16:47:08 +00:00
meta-screen-cast-area-stream-src.c screen-cast-*-stream-src: Switch to cogl_framebuffer_flush() 2021-02-08 08:37:08 +00:00
meta-screen-cast-area-stream-src.h screen-cast: Add RecordArea for screen cast arbitrary area 2020-04-23 14:45:53 +00:00
meta-screen-cast-area-stream.c screen-cast: Add screen cast flag to streams 2020-07-30 09:51:16 +02:00
meta-screen-cast-area-stream.h screen-cast: Add screen cast flag to streams 2020-07-30 09:51:16 +02:00
meta-screen-cast-monitor-stream-src.c screen-cast-*-stream-src: Switch to cogl_framebuffer_flush() 2021-02-08 08:37:08 +00:00
meta-screen-cast-monitor-stream-src.h ScreenCast: Pass PipeWire stream node ID directly 2017-08-29 14:39:04 +08:00
meta-screen-cast-monitor-stream.c monitor: Attach to backend instead of GPU 2021-03-12 15:09:45 +00:00
meta-screen-cast-monitor-stream.h screen-cast: Add screen cast flag to streams 2020-07-30 09:51:16 +02:00
meta-screen-cast-session.c remote-access-handle: Add 'is-recording' property 2020-07-31 10:41:38 +02:00
meta-screen-cast-session.h screen-cast-session: Add 'disable-animations' property 2020-02-20 10:40:42 +00:00
meta-screen-cast-stream-src.c screencast: Log a debug message when we can't get a buffer from pipewire 2021-02-05 09:27:38 +00:00
meta-screen-cast-stream-src.h screen-cast/src: Pass dimension and stride when needed 2021-02-02 10:25:12 +00:00
meta-screen-cast-stream.c screen-cast-stream: Add getter for stream src 2021-01-29 08:35:02 +00:00
meta-screen-cast-stream.h screen-cast-stream: Add getter for stream src 2021-01-29 08:35:02 +00:00
meta-screen-cast-window-stream-src.c screen-cast-*-stream-src: Switch to cogl_framebuffer_flush() 2021-02-08 08:37:08 +00:00
meta-screen-cast-window-stream-src.h screen-cast-session: Add screen-cast window mode 2018-12-14 13:26:16 +01:00
meta-screen-cast-window-stream.c screen-cast: Add screen cast flag to streams 2020-07-30 09:51:16 +02:00
meta-screen-cast-window-stream.h screen-cast: Add screen cast flag to streams 2020-07-30 09:51:16 +02:00
meta-screen-cast-window.c window-stream-source: Draw into DMA buffer image 2020-02-28 15:52:19 -03:00
meta-screen-cast-window.h window-stream-source: Draw into DMA buffer image 2020-02-28 15:52:19 -03:00
meta-screen-cast.c Remove misplaced line break in g_* logging functions 2020-10-08 16:38:41 +02:00
meta-screen-cast.h screen-cast: Disable DMA buffer based screen casting for QXL 2020-08-29 10:32:20 +00:00
meta-settings-private.h xwayland: Enable Xwayland on demand by default 2021-01-19 09:33:33 +01:00
meta-settings.c xwayland: Enable Xwayland on demand by default 2021-01-19 09:33:33 +01:00
meta-stage-private.h cursor-renderer: Always keep the cursor overlay on the stage 2020-08-05 11:11:38 +02:00
meta-stage.c src: Stop using GSlice 2021-02-22 13:52:27 +01:00
meta-viewport-info.c backends: Add method to get extents from viewport info 2020-11-27 15:14:33 +00:00
meta-viewport-info.h backends: Add method to get extents from viewport info 2020-11-27 15:14:33 +00:00
meta-virtual-monitor.c Introduce virtual monitors 2021-03-12 15:09:45 +00:00
meta-virtual-monitor.h Introduce virtual monitors 2021-03-12 15:09:45 +00:00