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set refresh rate in config.h

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This commit is contained in:
Palanix 2021-08-06 23:35:37 +02:00
parent 3b05eadeaf
commit 0a70287687
2 changed files with 67 additions and 9 deletions
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8
config.def.h
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@ -28,12 +28,12 @@ static const Layout layouts[] = {
* The order in which monitors are defined determines their position.
* Non-configured monitors are always added to the left. */
static const MonitorRule monrules[] = {
/* name mfact nmaster scale layout rotate/reflect x y */
/* example of a HiDPI laptop monitor:
{ "eDP-1", 0.5, 1, 2, &layouts[0], WL_OUTPUT_TRANSFORM_NORMAL, 0, 0 },
/* name mfact nmaster scale layout rotate/reflect x y resx resy rate custom*/
/* example of a HiDPI laptop monitor at 120Hz:
{ "eDP-1", 0.5, 1, 2, &layouts[0], WL_OUTPUT_TRANSFORM_NORMAL, 0, 0, 0, 0, 120.000 , 0},
*/
/* defaults */
{ NULL, 0.55, 1, 1, &layouts[0], WL_OUTPUT_TRANSFORM_NORMAL, 0, 0 },
{ NULL, 0.55, 1, 1, &layouts[0], WL_OUTPUT_TRANSFORM_NORMAL, 0, 0, 0, 0, 0, 0},
};
/* keyboard */

68
dwl.c
View File

@ -189,6 +189,10 @@ typedef struct {
enum wl_output_transform rr;
int x;
int y;
int resx;
int resy;
int rate;
bool custom_mode;
} MonitorRule;
typedef struct {
@ -809,13 +813,47 @@ createkeyboard(struct wlr_input_device *device)
/* And add the keyboard to our list of keyboards */
wl_list_insert(&keyboards, &kb->link);
}
void
set_mode(struct wlr_output *output, int width, int height,
float refresh_rate, bool custom) {
// Not all floating point integers can be represented exactly
// as (int)(1000 * mHz / 1000.f)
// round() the result to avoid any error
int mhz = (int)round(refresh_rate * 1000);
if (wl_list_empty(&output->modes) || custom) {
wlr_output_set_custom_mode(output, width, height,
refresh_rate > 0 ? mhz : 0);
return;
}
struct wlr_output_mode *mode, *best = NULL;
wl_list_for_each(mode, &output->modes, link) {
if (mode->width == width && mode->height == height) {
if (mode->refresh == mhz) {
best = mode;
break;
}
if (best == NULL || mode->refresh > best->refresh) {
best = mode;
}
}
}
if (!best) {
best = wlr_output_preferred_mode(output);
} else {
}
wlr_output_set_mode(output, best);
}
void
createmon(struct wl_listener *listener, void *data)
{
/* This event is raised by the backend when a new output (aka a display or
* monitor) becomes available. */
struct wlr_output *wlr_output = data;
const struct wlr_output_mode *wlr_output_mode;
int32_t resx,resy,rate;
bool custom_mode;
const MonitorRule *r;
Monitor *m = wlr_output->data = calloc(1, sizeof(*m));
m->wlr_output = wlr_output;
@ -824,6 +862,13 @@ createmon(struct wl_listener *listener, void *data)
for (size_t i = 0; i < LENGTH(m->layers); i++)
wl_list_init(&m->layers[i]);
m->tagset[0] = m->tagset[1] = 1;
/* The mode is a tuple of (width, height, refresh rate), and each
* monitor supports only a specific set of modes. Default to the
* preferred mode, which will be overwritten if the user
* specifies a different one*/
wlr_output_set_mode(wlr_output, wlr_output_preferred_mode(wlr_output));
for (r = monrules; r < END(monrules); r++) {
if (!r->name || strstr(wlr_output->name, r->name)) {
m->mfact = r->mfact;
@ -832,15 +877,28 @@ createmon(struct wl_listener *listener, void *data)
wlr_xcursor_manager_load(cursor_mgr, r->scale);
m->lt[0] = m->lt[1] = r->lt;
wlr_output_set_transform(wlr_output, r->rr);
wlr_output_mode = wlr_output_preferred_mode(wlr_output);
if (r->rate)
rate = r->rate;
else
rate = wlr_output_mode->refresh;
if (r->resx)
resx = r->resx;
else
resx = wlr_output_mode->width;
if (r->resy)
resy = r->resy;
else
resy = wlr_output_mode->height;
set_mode(wlr_output, resx, resy, rate, custom_mode);
break;
}
}
/* The mode is a tuple of (width, height, refresh rate), and each
* monitor supports only a specific set of modes. We just pick the
* monitor's preferred mode; a more sophisticated compositor would let
* the user configure it. */
wlr_output_set_mode(wlr_output, wlr_output_preferred_mode(wlr_output));
wlr_output_enable_adaptive_sync(wlr_output, 1);
/* Set up event listeners */