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Implement RandR 1.5 support (#2580)

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This comes with the intentionally undocumented --disable-randr15 command
line flag and disable-randr15 configuration directive. We will add
documentation before the release if and only if it turns out that users
actually need to use this flag in their setups. Ideally, nobody would
need to use the flag and everything would just keep working, but it’s
better to be safe than sorry.

fixes #1799
This commit is contained in:
Michael Stapelberg
2016-11-28 18:20:46 +01:00
committed by GitHub
parent f2ffd8d864
commit 633a9f7b14
12 changed files with 259 additions and 53 deletions
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9
src/main.c
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@ -194,6 +194,7 @@ int main(int argc, char *argv[]) {
char *layout_path = NULL;
bool delete_layout_path = false;
bool force_xinerama = false;
bool disable_randr15 = false;
char *fake_outputs = NULL;
bool disable_signalhandler = false;
bool only_check_config = false;
@ -209,6 +210,8 @@ int main(int argc, char *argv[]) {
{"restart", required_argument, 0, 0},
{"force-xinerama", no_argument, 0, 0},
{"force_xinerama", no_argument, 0, 0},
{"disable-randr15", no_argument, 0, 0},
{"disable_randr15", no_argument, 0, 0},
{"disable-signalhandler", no_argument, 0, 0},
{"shmlog-size", required_argument, 0, 0},
{"shmlog_size", required_argument, 0, 0},
@ -289,6 +292,10 @@ int main(int argc, char *argv[]) {
"Please check if your driver really does not support RandR "
"and disable this option as soon as you can.\n");
break;
} else if (strcmp(long_options[option_index].name, "disable-randr15") == 0 ||
strcmp(long_options[option_index].name, "disable_randr15") == 0) {
disable_randr15 = true;
break;
} else if (strcmp(long_options[option_index].name, "disable-signalhandler") == 0) {
disable_signalhandler = true;
break;
@ -661,7 +668,7 @@ int main(int argc, char *argv[]) {
xinerama_init();
} else {
DLOG("Checking for XRandR...\n");
randr_init(&randr_base);
randr_init(&randr_base, disable_randr15 || config.disable_randr15);
}
/* We need to force disabling outputs which have been loaded from the