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color-device: Use a sRGB profile if the EDID is missing

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This makes sure the ColorDevice can initialize successfully even if the
display doesn't have an EDID.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/3394
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3673>
This commit is contained in:
Sebastian Wick 2024-03-27 16:51:08 +01:00
parent d214583aa2
commit 74a01e3f39
1 changed files with 43 additions and 37 deletions
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80
src/backends/meta-color-device.c
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@ -963,56 +963,62 @@ static void
create_device_profile_from_edid (MetaColorDevice *color_device,
GTask *task)
{
const MetaEdidInfo *edid_info;
const MetaEdidInfo *edid_info =
meta_monitor_get_edid_info (color_device->monitor);
GenerateProfileData *data = g_task_get_task_data (task);
g_autoptr (CdIcc) cd_icc = NULL;
g_autoptr (GBytes) bytes = NULL;
g_autofree char *file_md5_checksum = NULL;
g_autoptr (GError) error = NULL;
edid_info = meta_monitor_get_edid_info (color_device->monitor);
if (edid_info)
{
g_autoptr (CdIcc) cd_icc = NULL;
GBytes *bytes;
g_autoptr (GError) error = NULL;
GenerateProfileData *data = g_task_get_task_data (task);
const char *file_path = data->file_path;
g_autofree char *file_md5_checksum = NULL;
meta_topic (META_DEBUG_COLOR,
"Generating ICC profile for '%s' from EDID",
meta_color_device_get_id (color_device));
cd_icc = create_icc_profile_from_edid (color_device,
edid_info, file_path,
edid_info, data->file_path,
&error);
if (!cd_icc)
{
g_task_return_error (task, g_steal_pointer (&error));
g_object_unref (task);
return;
}
bytes = cd_icc_save_data (cd_icc, CD_ICC_SAVE_FLAGS_NONE, &error);
if (!bytes)
{
g_task_return_error (task, g_steal_pointer (&error));
g_object_unref (task);
return;
}
file_md5_checksum = g_compute_checksum_for_bytes (G_CHECKSUM_MD5, bytes);
cd_icc_add_metadata (cd_icc, CD_PROFILE_METADATA_FILE_CHECKSUM,
file_md5_checksum);
data->color_calibration =
meta_color_calibration_new (cd_icc, NULL);
data->cd_icc = g_steal_pointer (&cd_icc);
data->bytes = bytes;
save_icc_profile (file_path, task);
}
else
{
g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_FAILED,
"No EDID available");
g_object_unref (task);
meta_topic (META_DEBUG_COLOR,
"Generating sRGB ICC profile for '%s' because EDID is missing",
meta_color_device_get_id (color_device));
cd_icc = cd_icc_new ();
if (!cd_icc_create_default_full (cd_icc,
CD_ICC_LOAD_FLAGS_PRIMARIES,
&error))
g_clear_object (&cd_icc);
}
if (!cd_icc)
{
g_task_return_error (task, g_steal_pointer (&error));
g_object_unref (task);
return;
}
bytes = cd_icc_save_data (cd_icc, CD_ICC_SAVE_FLAGS_NONE, &error);
if (!bytes)
{
g_task_return_error (task, g_steal_pointer (&error));
g_object_unref (task);
return;
}
file_md5_checksum = g_compute_checksum_for_bytes (G_CHECKSUM_MD5, bytes);
cd_icc_add_metadata (cd_icc, CD_PROFILE_METADATA_FILE_CHECKSUM,
file_md5_checksum);
data->color_calibration =
meta_color_calibration_new (cd_icc, NULL);
data->cd_icc = g_steal_pointer (&cd_icc);
data->bytes = g_steal_pointer (&bytes);
save_icc_profile (data->file_path, task);
}
static void