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mutter/SOURCES/0001-monitor-manager-Add-NightLightSupported-property-to-.patch
CentOS Sources 6a46d2de32 import mutter-40.9-9.el9
2022-09-28 16:29:30 +00:00

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From f21c8614daeb70a021c128b97c000a92652cf6f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Thu, 24 Feb 2022 12:32:27 +0100
Subject: [PATCH] monitor-manager: Add NightLightSupported property to
DisplayConfig
This checks whether it's possible to set a CRTC GAMMA_LUT, which is what
is necessary to implement night light.
---
src/backends/meta-monitor-manager.c | 76 ++++++++++++++++---
.../native/meta-monitor-manager-native.c | 25 ++++--
.../x11/meta-monitor-manager-xrandr.c | 9 ++-
src/org.gnome.Mutter.DisplayConfig.xml | 7 ++
4 files changed, 99 insertions(+), 18 deletions(-)
diff --git a/src/backends/meta-monitor-manager.c b/src/backends/meta-monitor-manager.c
index 75146950c3..0f30b3de25 100644
--- a/src/backends/meta-monitor-manager.c
+++ b/src/backends/meta-monitor-manager.c
@@ -952,6 +952,59 @@ update_panel_orientation_managed (MetaMonitorManager *manager)
handle_orientation_change (orientation_manager, manager);
}
+static void
+meta_monitor_manager_get_crtc_gamma (MetaMonitorManager *manager,
+ MetaCrtc *crtc,
+ size_t *size,
+ unsigned short **red,
+ unsigned short **green,
+ unsigned short **blue)
+{
+ MetaMonitorManagerClass *klass = META_MONITOR_MANAGER_GET_CLASS (manager);
+
+ if (klass->get_crtc_gamma)
+ {
+ klass->get_crtc_gamma (manager, crtc, size, red, green, blue);
+ }
+ else
+ {
+ if (size)
+ *size = 0;
+ if (red)
+ *red = NULL;
+ if (green)
+ *green = NULL;
+ if (blue)
+ *blue = NULL;
+ }
+}
+
+static gboolean
+is_night_light_supported (MetaMonitorManager *manager)
+{
+ GList *l;
+
+ for (l = meta_backend_get_gpus (manager->backend); l; l = l->next)
+ {
+ MetaGpu *gpu = l->data;
+ GList *l_crtc;
+
+ for (l_crtc = meta_gpu_get_crtcs (gpu); l_crtc; l_crtc = l_crtc->next)
+ {
+ MetaCrtc *crtc = l_crtc->data;
+ size_t gamma_lut_size;
+
+ meta_monitor_manager_get_crtc_gamma (manager, crtc,
+ &gamma_lut_size,
+ NULL, NULL, NULL);
+ if (gamma_lut_size > 0)
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
void
meta_monitor_manager_setup (MetaMonitorManager *manager)
{
@@ -967,7 +1020,6 @@ meta_monitor_manager_setup (MetaMonitorManager *manager)
meta_dbus_display_config_set_apply_monitors_config_allowed (manager->display_config,
policy->enable_dbus);
-
meta_monitor_manager_read_current_state (manager);
meta_monitor_manager_ensure_initial_config (manager);
@@ -2445,7 +2497,6 @@ meta_monitor_manager_handle_get_crtc_gamma (MetaDBusDisplayConfig *skeleton,
guint crtc_id,
MetaMonitorManager *manager)
{
- MetaMonitorManagerClass *klass;
GList *combined_crtcs;
MetaCrtc *crtc;
gsize size;
@@ -2476,14 +2527,8 @@ meta_monitor_manager_handle_get_crtc_gamma (MetaDBusDisplayConfig *skeleton,
crtc = g_list_nth_data (combined_crtcs, crtc_id);
g_list_free (combined_crtcs);
- klass = META_MONITOR_MANAGER_GET_CLASS (manager);
- if (klass->get_crtc_gamma)
- klass->get_crtc_gamma (manager, crtc, &size, &red, &green, &blue);
- else
- {
- size = 0;
- red = green = blue = NULL;
- }
+ meta_monitor_manager_get_crtc_gamma (manager, crtc,
+ &size, &red, &green, &blue);
red_bytes = g_bytes_new_take (red, size * sizeof (unsigned short));
green_bytes = g_bytes_new_take (green, size * sizeof (unsigned short));
@@ -3078,6 +3123,16 @@ meta_monitor_manager_is_transform_handled (MetaMonitorManager *manager,
return manager_class->is_transform_handled (manager, crtc, transform);
}
+static void
+update_night_light_supported (MetaMonitorManager *manager)
+{
+ gboolean night_light_supported;
+
+ night_light_supported = is_night_light_supported (manager);
+ meta_dbus_display_config_set_night_light_supported (manager->display_config,
+ night_light_supported);
+}
+
static void
meta_monitor_manager_real_read_current_state (MetaMonitorManager *manager)
{
@@ -3098,6 +3153,7 @@ meta_monitor_manager_real_read_current_state (MetaMonitorManager *manager)
}
rebuild_monitors (manager);
+ update_night_light_supported (manager);
}
void
diff --git a/src/backends/native/meta-monitor-manager-native.c b/src/backends/native/meta-monitor-manager-native.c
index fd5e7784ff..37a50f1d6f 100644
--- a/src/backends/native/meta-monitor-manager-native.c
+++ b/src/backends/native/meta-monitor-manager-native.c
@@ -381,15 +381,30 @@ meta_monitor_manager_native_get_crtc_gamma (MetaMonitorManager *manager,
MetaKmsCrtc *kms_crtc;
const MetaKmsCrtcState *crtc_state;
- g_return_if_fail (META_IS_CRTC_KMS (crtc));
+ if (!META_IS_CRTC_KMS (crtc))
+ {
+ if (size)
+ *size = 0;
+ if (red)
+ *red = NULL;
+ if (green)
+ *green = NULL;
+ if (blue)
+ *blue = NULL;
+ return;
+ }
kms_crtc = meta_crtc_kms_get_kms_crtc (META_CRTC_KMS (crtc));
crtc_state = meta_kms_crtc_get_current_state (kms_crtc);
- *size = crtc_state->gamma.size;
- *red = g_memdup2 (crtc_state->gamma.red, *size * sizeof **red);
- *green = g_memdup2 (crtc_state->gamma.green, *size * sizeof **green);
- *blue = g_memdup2 (crtc_state->gamma.blue, *size * sizeof **blue);
+ if (size)
+ *size = crtc_state->gamma.size;
+ if (red)
+ *red = g_memdup2 (crtc_state->gamma.red, *size * sizeof **red);
+ if (green)
+ *green = g_memdup2 (crtc_state->gamma.green, *size * sizeof **green);
+ if (blue)
+ *blue = g_memdup2 (crtc_state->gamma.blue, *size * sizeof **blue);
}
static char *
diff --git a/src/backends/x11/meta-monitor-manager-xrandr.c b/src/backends/x11/meta-monitor-manager-xrandr.c
index 98eb080b6b..865f4e5800 100644
--- a/src/backends/x11/meta-monitor-manager-xrandr.c
+++ b/src/backends/x11/meta-monitor-manager-xrandr.c
@@ -707,9 +707,12 @@ meta_monitor_manager_xrandr_get_crtc_gamma (MetaMonitorManager *manager,
(XID) meta_crtc_get_id (crtc));
*size = gamma->size;
- *red = g_memdup2 (gamma->red, sizeof (unsigned short) * gamma->size);
- *green = g_memdup2 (gamma->green, sizeof (unsigned short) * gamma->size);
- *blue = g_memdup2 (gamma->blue, sizeof (unsigned short) * gamma->size);
+ if (red)
+ *red = g_memdup2 (gamma->red, sizeof (unsigned short) * gamma->size);
+ if (green)
+ *green = g_memdup2 (gamma->green, sizeof (unsigned short) * gamma->size);
+ if (blue)
+ *blue = g_memdup2 (gamma->blue, sizeof (unsigned short) * gamma->size);
XRRFreeGamma (gamma);
}
diff --git a/src/org.gnome.Mutter.DisplayConfig.xml b/src/org.gnome.Mutter.DisplayConfig.xml
index c6859c2c09..5f85c5e271 100644
--- a/src/org.gnome.Mutter.DisplayConfig.xml
+++ b/src/org.gnome.Mutter.DisplayConfig.xml
@@ -297,6 +297,13 @@
-->
<property name="ApplyMonitorsConfigAllowed" type="b" access="read" />
+ <!--
+ NightLightSupported:
+
+ Whether night light is supported by this system.
+ -->
+ <property name="NightLightSupported" type="b" access="read" />
+
<!--
MonitorsChanged:
--
2.37.1
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