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#include "e.h"
typedef struct
{
const char *dev;
const char *output;
const char *edid;
double val, expected_val;
double from_val, to_val;
Ecore_Animator *anim;
Ecore_Timer *retry_timer;
int ddc_max;
int retries;
} Backlight_Device;
E_API int E_EVENT_BACKLIGHT_CHANGE = -1;
static Eina_List *bl_devs = NULL;
static Eina_List *handlers = NULL;
static Ecore_Job *zone_change_job = NULL;
static Eina_List *_devices = NULL;
static int _devices_pending_ops = 0;
static Eina_Bool _devices_zones_update = EINA_FALSE;
static Eina_Bool _own_vt = EINA_TRUE;
static Eina_Bool _e_bl_suspend = EINA_FALSE;
static void _backlight_devices_device_set(Backlight_Device *bd, double val);
static void _backlight_devices_device_update(Backlight_Device *bd);
static Eina_Bool
_backlight_retry_timer_cb(void *data)
{
Backlight_Device *bd = data;
bd->retry_timer = NULL;
_backlight_devices_device_set(bd, bd->expected_val);
_backlight_devices_device_update(bd);
return EINA_FALSE;
}
static void
_backlight_mismatch_retry(Backlight_Device *bd)
{
if (// if want 1.0 or normal or dim
((fabs(bd->expected_val - 1.0) < DBL_EPSILON) ||
(fabs(bd->expected_val - e_config->backlight.normal) < DBL_EPSILON) ||
(fabs(bd->expected_val - e_config->backlight.dim) < DBL_EPSILON)) &&
// and the delta between expected and val >= 0.05
(fabs(bd->expected_val - bd->val) >= 0.05) &&
// and we retried < 20 times
(bd->retries < 10) &&
(_own_vt))
{ // try again
printf("RETRY backlight set as %1.2f != %1.2f (expected) try=%i\n",
bd->val, bd->expected_val, bd->retries);
bd->retries++;
if (bd->retry_timer) ecore_timer_del(bd->retry_timer);
bd->retry_timer = ecore_timer_add(0.1, _backlight_retry_timer_cb, bd);
} // or give up
else bd->retries = 0;
}
static void
_backlight_system_get_cb(void *data, const char *params)
{
char dev[1024];
int val = 0;
double fval;
Backlight_Device *bd = data;
if (!params) return;
if (sscanf(params, "%1023s %i", dev, &val) != 2) return;
if (!!strcmp(bd->dev, dev)) return;
e_system_handler_del("bklight-val", _backlight_system_get_cb, bd);
fval = (double)val / 1000.0;
if (fabs(fval - bd->val) >= DBL_EPSILON)
{
bd->val = fval;
ecore_event_add(E_EVENT_BACKLIGHT_CHANGE, NULL, NULL, NULL);
_backlight_mismatch_retry(bd);
}
}
static void
_backlight_system_ddc_get_cb(void *data, const char *params)
{
char edid[257];
int id = -1, val = -1, max = -1;
double fval;
Backlight_Device *bd = data;
if (!params) return;
if (sscanf(params, "%256s %i %i %i", edid, &id, &val, &max) != 4) return;
if (!bd->edid) return;
if (!!strncmp(bd->edid, edid, strlen(edid))) return;
e_system_handler_del("ddc-val-get", _backlight_system_ddc_get_cb, bd);
if (val < 0) fval = -1.0;
else fval = (double)val / 100.0;
bd->ddc_max = max;
if ((fabs(fval - bd->val) >= DBL_EPSILON) || (val == -1))
{
bd->val = fval;
ecore_event_add(E_EVENT_BACKLIGHT_CHANGE, NULL, NULL, NULL);
_backlight_mismatch_retry(bd);
}
}
static void
_backlight_devices_clear(void)
{
const char *s;
Backlight_Device *bd;
EINA_LIST_FREE(bl_devs, s)
eina_stringshare_del(s);
EINA_LIST_FREE(_devices, bd)
{
eina_stringshare_del(bd->dev);
eina_stringshare_del(bd->output);
eina_stringshare_del(bd->edid);
if (bd->anim) ecore_animator_del(bd->anim);
if (bd->retry_timer) ecore_timer_del(bd->retry_timer);
e_system_handler_del("bklight-val", _backlight_system_get_cb, bd);
e_system_handler_del("ddc-val-get", _backlight_system_ddc_get_cb, bd);
free(bd);
}
}
static Backlight_Device *
_backlight_devices_zone_device_find(E_Zone *zone)
{
Eina_List *l;
Backlight_Device *bd;
char *tmp, *sep;
const char *out, *edid, *id;
id = zone->randr2_id;
if (!id) id = "/";
tmp = strdup(id);
if (!tmp) return NULL;
sep = strchr(tmp, '/');
if (!sep)
{
free(tmp);
return NULL;
}
*sep = '\0';
out = tmp;
edid = sep + 1;
EINA_LIST_FOREACH(_devices, l, bd)
{
if ((bd->output) && (!strcmp(out, bd->output)))
{
if ((edid[0] && (!strcmp(edid, bd->edid))) || (!edid[0]))
{
free(tmp);
return bd;
}
}
}
free(tmp);
return NULL;
}
#ifndef HAVE_WAYLAND_ONLY
static const char *
_backlight_devices_randr_out_edid_str_get(Ecore_X_Window root, Ecore_X_Randr_Output *out)
{
const char *str = NULL;
unsigned long edid_len = 0;
unsigned char *edid = ecore_x_randr_output_edid_get(root, *out, &edid_len);
if (edid)
{
char *edid_str = malloc((edid_len * 2) + 1);
if (edid_str)
{
const char *hexch = "0123456789abcdef";
char *dc = edid_str;
unsigned long i;
for (i = 0; i < edid_len; i++)
{
dc[0] = hexch[(edid[i] >> 4) & 0xf];
dc[1] = hexch[(edid[i] ) & 0xf];
dc += 2;
}
*dc = 0;
str = eina_stringshare_add(edid_str);
free(edid_str);
}
free(edid);
}
return str;
}
static Ecore_X_Randr_Output
_backlight_devices_randr_output_get(Ecore_X_Window root, const char *output, const char *edid)
{
Ecore_X_Randr_Output *out;
int i, num = 0;
out = ecore_x_randr_window_outputs_get(root, &num);
if ((out) && (num > 0))
{
for (i = 0; i < num; i++)
{
char *name = ecore_x_randr_output_name_get(root, out[i], NULL);
if (!name) continue;
const char *edid_str = _backlight_devices_randr_out_edid_str_get(root, &(out[i]));
if (edid_str)
{
if ((!strcmp(output, name)) && (!strcmp(edid, edid_str)))
{
eina_stringshare_del(edid_str);
free(name);
return out[i];
}
eina_stringshare_del(edid_str);
}
free(name);
}
}
return 0;
}
#endif
static void
_backlight_devices_device_set(Backlight_Device *bd, double val)
{
if (fabs(bd->expected_val - val) > DBL_EPSILON) bd->retries = 0;
bd->val = bd->expected_val = val;
if (!_own_vt) return;
#ifndef HAVE_WAYLAND_ONLY
if (!strcmp(bd->dev, "randr"))
{
if ((e_comp) && (e_comp->comp_type == E_PIXMAP_TYPE_X) && (e_comp->root))
{
Ecore_X_Randr_Output o = _backlight_devices_randr_output_get(e_comp->root, bd->output, bd->edid);
if (o)
{
// fprintf(stderr, "BL: randr bklight %1.3f @ %1.3f\n", bd->val, ecore_time_get());
ecore_x_randr_output_backlight_level_set(e_comp->root, o, bd->val);
ecore_event_add(E_EVENT_BACKLIGHT_CHANGE, NULL, NULL, NULL);
}
}
}
else
#endif
if (!strncmp(bd->dev, "ddc:", 4))
{
double fval;
// fprintf(stderr, "BL: ddc bklight %1.3f @ %1.3f\n", bd->val, ecore_time_get());
if (bd->ddc_max) fval = bd->val * (double)bd->ddc_max;
else fval = bd->val * 100.0;
if (e_config->backlight.ddc)
e_system_send("ddc-val-set", "%s %i %i", bd->dev + 4, 0x10, (int)(fval)); // backlight val in e_system_ddc.c
ecore_event_add(E_EVENT_BACKLIGHT_CHANGE, NULL, NULL, NULL);
}
else
{
// fprintf(stderr, "BL: internal bklight %1.3f @ %1.3f\n", bd->val, ecore_time_get());
e_system_send("bklight-set", "%s %i", bd->dev, (int)(bd->val * 1000.0));
ecore_event_add(E_EVENT_BACKLIGHT_CHANGE, NULL, NULL, NULL);
}
}
static E_Zone *
_backlight_devices_device_zone_get(Backlight_Device *bd)
{
char buf[1024];
Eina_List *l;
E_Zone *zone;
snprintf(buf, sizeof(buf), "%s/%s", bd->output? bd->output: "", bd->edid ? bd->edid : "");
EINA_LIST_FOREACH(e_comp->zones, l, zone)
{
const char *id = zone->randr2_id;
if (!id)
{
const char *id2 = bd->edid;
if (!id2) id2 = "";
id = "";
if (!strcmp(id, id2)) return zone;
}
else
{
if (!strcmp(id, buf)) return zone;
}
}
return NULL;
}
static void
_backlight_devices_device_update(Backlight_Device *bd)
{
if (!bd->dev) return;
#ifndef HAVE_WAYLAND_ONLY
if (!strcmp(bd->dev, "randr"))
{
if ((e_comp) && (e_comp->comp_type == E_PIXMAP_TYPE_X) && (e_comp->root))
{
Ecore_X_Randr_Output o = _backlight_devices_randr_output_get(e_comp->root, bd->output, bd->edid);
if (o)
{
double x_bl = ecore_x_randr_output_backlight_level_get(e_comp->root, o);
if ((x_bl >= 0.0) && (fabs(x_bl - bd->val) >= DBL_EPSILON))
{
bd->val = x_bl;
E_Zone *zone = _backlight_devices_device_zone_get(bd);
if (zone) zone->bl = bd->val;
ecore_event_add(E_EVENT_BACKLIGHT_CHANGE, NULL, NULL, NULL);
}
}
}
}
else
#endif
if (!strncmp(bd->dev, "ddc:", 4))
{
e_system_handler_del("ddc-val-get", _backlight_system_ddc_get_cb, bd);
e_system_handler_add("ddc-val-get", _backlight_system_ddc_get_cb, bd);
e_system_send("ddc-val-get", "%s %i", bd->dev + 4, 0x10); // backlight val in e_system_ddc.c
}
else
{
e_system_handler_del("bklight-val", _backlight_system_get_cb, bd);
e_system_handler_add("bklight-val", _backlight_system_get_cb, bd);
e_system_send("bklight-get", "%s", bd->dev);
}
}
static void
_backlight_devices_update(void)
{
Eina_List *l;
Backlight_Device *bd;
EINA_LIST_FOREACH(_devices, l, bd)
_backlight_devices_device_update(bd);
}
static void
_backlight_devices_pending_done(void)
{
_devices_pending_ops--;
if (_devices_pending_ops > 0) return;
e_backlight_level_set(NULL, e_config->backlight.normal, -1.0);
_backlight_devices_update();
}
static E_Randr2_Screen *
_backlight_devices_screen_lid_get(void)
{
Eina_List *l;
E_Randr2_Screen *sc;
if (!e_randr2) return NULL;
EINA_LIST_FOREACH(e_randr2->screens, l, sc)
{
if (sc->info.is_lid) return sc;
}
EINA_LIST_FOREACH(e_randr2->screens, l, sc)
{
if (sc->info.backlight) return sc;
}
return NULL;
}
static E_Randr2_Screen *
_backlight_devices_screen_edid_get(const char *edid)
{
Eina_List *l;
E_Randr2_Screen *sc;
const char *id;
if (!e_randr2) return NULL;
EINA_LIST_FOREACH(e_randr2->screens, l, sc)
{
id = sc->info.edid;
if (!id) id = "";
if (!strncmp(id, edid, strlen(edid))) return sc;
}
return NULL;
}
static Backlight_Device *
_backlight_devices_edid_find(const char *edid)
{
Eina_List *l;
Backlight_Device *bd;
EINA_LIST_FOREACH(_devices, l, bd)
{
if ((bd->edid) && (edid) && (!strcmp(edid, bd->edid)))
return bd;
}
return NULL;
}
static void
_backlight_devices_lid_register(const char *dev, Eina_Bool force)
{
E_Randr2_Screen *sc = _backlight_devices_screen_lid_get();
Backlight_Device *bd = NULL;
const char *id;
if (!sc) return;
id = sc->info.edid;
if (!id) id = "";
bd = _backlight_devices_edid_find(id);
if (!bd)
{
E_Zone *zone;
bd = calloc(1, sizeof(Backlight_Device));
if (!bd) return;
bd->edid = eina_stringshare_add(id);
bd->output = eina_stringshare_add(sc->info.name);
_devices = eina_list_append(_devices, bd);
zone = _backlight_devices_device_zone_get(bd);
if (zone)
{
double bl = zone->bl;
zone->bl = 0.0;
e_backlight_level_set(zone, bl, -1.0);
}
}
if (bd->dev)
{
if (!strcmp(bd->dev, "randr")) return; // randr devices win
if (!strncmp(bd->dev, "ddc:", 4)) return; // ddc devices also beat these "sys" devices
}
// if bl device has a device assigned and we're not forcing a change
// then skip assigning this device to the backlight device
if ((bd->dev) && (!force)) return;
eina_stringshare_replace(&(bd->dev), dev);
}
static void
_backlight_devices_edid_register(const char *dev, const char *edid)
{
E_Randr2_Screen *sc = _backlight_devices_screen_edid_get(edid);
Backlight_Device *bd;
if (!sc) return;
bd = _backlight_devices_edid_find(sc->info.edid);
if (!bd)
{
E_Zone *zone;
const char *id;
bd = calloc(1, sizeof(Backlight_Device));
if (!bd) return;
id = sc->info.edid;
if (!id) id = "";
bd->edid = eina_stringshare_add(id);
bd->output = eina_stringshare_add(sc->info.name);
_devices = eina_list_append(_devices, bd);
zone = _backlight_devices_device_zone_get(bd);
if (zone)
{
double bl = zone->bl;
zone->bl = 0.0;
e_backlight_level_set(zone, bl, -1.0);
}
}
if (bd->dev)
{
if (!strcmp(bd->dev, "randr")) return; // randr devices win
}
eina_stringshare_replace(&(bd->dev), dev);
}
static void
_backlight_system_list_cb(void *data EINA_UNUSED, const char *params)
{
// params "dev flag dev flag ..."
const char *p = params;
char dev[1024], flag, devnum = 0;
e_system_handler_del("bklight-list", _backlight_system_list_cb, NULL);
while ((p) && (*p))
{
if (sscanf(p, "%1023s", dev) == 1)
{
p += strlen(dev);
if (*p == ' ')
{
p++;
flag = *p;
if (flag)
compositor rewrite / charlie-foxtrot situation huge fustercluck commit because there wasn't really a way to separate out the changes. better to just rip it all out at once. * compositor and window management completely rewritten. this was the goal for E19, but it pretty much required everything existing to be scrapped since it wasn't optimized, streamlined, or sensible. now instead of having the compositor strapped to the window manager like an outboard motor, it's housed more like an automobile engine. ** various comp structs have been merged into other places (eg. E_Comp_Zone is now just part of E_Zone where applicable), leading to a large deduplication of attributes ** awful E_Comp_Win is totally dead, having been replaced with e_comp_object smart objects which work just like normal canvas objects ** protocol-specific window management and compositor functionality is now kept exclusively in backend files ** e_pixmap api provides generic client finding and rendering api ** screen/xinerama screens are now provided directly by compositor on startup and re-set on change ** e_comp_render_update finally replaced with eina_tiler ** wayland compositor no longer creates X windows ** compositor e_layout removed entirely * e_container is gone. this was made unnecessary in E18, but I kept it to avoid having too much code churn in one release. its sole purpose was to catch some events and handle window stacking, both of which are now just done by the compositor infra * e_manager is just for screensaver and keybind stuff now, possibly remove later? * e_border is gone along with a lot of its api. e_client has replaced it, and e_client has been rewritten completely; some parts may be similar, but the design now relies upon having a functional compositor ** window configuration/focus functions are all removed. all windows are now managed solely with evas_object_X functions on the "frame" member of a client, just as any other canvas object can be managed. *** do NOT set interceptors on a client's comp_object. seriously. * startup order rewritten: compositor now starts much earlier, other things just use attrs and members of the compositor * ecore_x_pointer_xy_get usage replaced with ecore_evas_pointer_xy_get * e_popup is totally gone, existing usage replaced by e_comp_object_util_add where applicable, otherwise just placed normally on the canvas * deskmirror is (more) broken for now * illume is totally fucked * Ecore_X_Window replaced with Ecore_Window in most cases * edge binding XWindows replaced with regular canvas objects * some E_Win functionality has changed such that delete callbacks are now correctly called in ALL cases. various dialogs have been updated to not crash as a result comp files and descriptions: e_comp.c - overall compositor functions, rendering/update loop, shape cutting e_comp_x.c - X window management and compositor functionality e_comp_wl.c - Wayland surface management and compositor functionality e_comp_canvas.c - general compositor canvas functions and utilities e_comp_object.c - E_Client->frame member for managing clients as Evas_Objects, utility functions for adding objects to the compositor rendering systems additional authors: ivan.briano@intel.com feature: new compositor removal: e_border, e_container, e_popup
9 years ago
{
bl_devs = eina_list_append
(bl_devs, eina_stringshare_add(dev));
if ((devnum == 0) || (flag == 'p') ||
(strstr(dev, "/drm/")) ||
(strstr(dev, ".video.")))
{
_backlight_devices_lid_register(dev, EINA_TRUE);
}
else
{
// XXX: what to do with other bl devices?
// for now just assign spare bl devices to screens that do not have one already
_backlight_devices_lid_register(dev, EINA_FALSE);
}
devnum++;
// XXX: find bed bl dev for screens not supporting randr
// note that this is a vallback and ddc should take precedence
// it matched up to a screen over this, but randr should be
// the top priority if found
compositor rewrite / charlie-foxtrot situation huge fustercluck commit because there wasn't really a way to separate out the changes. better to just rip it all out at once. * compositor and window management completely rewritten. this was the goal for E19, but it pretty much required everything existing to be scrapped since it wasn't optimized, streamlined, or sensible. now instead of having the compositor strapped to the window manager like an outboard motor, it's housed more like an automobile engine. ** various comp structs have been merged into other places (eg. E_Comp_Zone is now just part of E_Zone where applicable), leading to a large deduplication of attributes ** awful E_Comp_Win is totally dead, having been replaced with e_comp_object smart objects which work just like normal canvas objects ** protocol-specific window management and compositor functionality is now kept exclusively in backend files ** e_pixmap api provides generic client finding and rendering api ** screen/xinerama screens are now provided directly by compositor on startup and re-set on change ** e_comp_render_update finally replaced with eina_tiler ** wayland compositor no longer creates X windows ** compositor e_layout removed entirely * e_container is gone. this was made unnecessary in E18, but I kept it to avoid having too much code churn in one release. its sole purpose was to catch some events and handle window stacking, both of which are now just done by the compositor infra * e_manager is just for screensaver and keybind stuff now, possibly remove later? * e_border is gone along with a lot of its api. e_client has replaced it, and e_client has been rewritten completely; some parts may be similar, but the design now relies upon having a functional compositor ** window configuration/focus functions are all removed. all windows are now managed solely with evas_object_X functions on the "frame" member of a client, just as any other canvas object can be managed. *** do NOT set interceptors on a client's comp_object. seriously. * startup order rewritten: compositor now starts much earlier, other things just use attrs and members of the compositor * ecore_x_pointer_xy_get usage replaced with ecore_evas_pointer_xy_get * e_popup is totally gone, existing usage replaced by e_comp_object_util_add where applicable, otherwise just placed normally on the canvas * deskmirror is (more) broken for now * illume is totally fucked * Ecore_X_Window replaced with Ecore_Window in most cases * edge binding XWindows replaced with regular canvas objects * some E_Win functionality has changed such that delete callbacks are now correctly called in ALL cases. various dialogs have been updated to not crash as a result comp files and descriptions: e_comp.c - overall compositor functions, rendering/update loop, shape cutting e_comp_x.c - X window management and compositor functionality e_comp_wl.c - Wayland surface management and compositor functionality e_comp_canvas.c - general compositor canvas functions and utilities e_comp_object.c - E_Client->frame member for managing clients as Evas_Objects, utility functions for adding objects to the compositor rendering systems additional authors: ivan.briano@intel.com feature: new compositor removal: e_border, e_container, e_popup
9 years ago
}
else break;
p++;
if (*p != ' ') break;
p++;
if (*p == '\0') break;
}
else break;
}
else break;
}
_backlight_devices_pending_done();
}
static void
_backlight_system_ddc_list_cb(void *data EINA_UNUSED, const char *params)
{
const char *p = params;
char dev[257], buf[343];
Eina_Hash *tmphash;
tmphash = eina_hash_string_superfast_new(NULL);
e_system_handler_del("ddc-list", _backlight_system_ddc_list_cb, NULL);
while ((p) && (*p))
{
if (sscanf(p, "%256s", dev) == 1)
{
p += strlen(dev);
snprintf(buf, sizeof(buf), "ddc:%s", dev);
bl_devs = eina_list_append
(bl_devs, eina_stringshare_add(buf));
_backlight_devices_edid_register(buf, dev);
if (eina_hash_find(tmphash, dev))
printf("BL: DDC ERROR: You have multiple DDC screens with the same EDID [%s] - this will lead to weirdness.\n", dev);
eina_hash_add(tmphash, dev, dev);
if (*p != ' ') break;
}
else break;
}
eina_hash_free(tmphash);
_backlight_devices_pending_done();
}
static void
_backlight_devices_probe(Eina_Bool initial)
{
_backlight_devices_clear();
#ifndef HAVE_WAYLAND_ONLY
// pass 1: if in x look at all the randr outputs to see if they have some backlight
// property to swizzle then make the randr device the kind of device to use -
// record this in our devices list
if ((e_comp) && (e_comp->comp_type == E_PIXMAP_TYPE_X))
{
Eina_Bool avail = ecore_x_randr_output_backlight_available();
if ((avail) && (e_comp->root))
{
double x_bl;
Ecore_X_Window root = e_comp->root;
Ecore_X_Randr_Output *out;
int i, num = 0;
Eina_Bool found = EINA_FALSE;
bl_devs = eina_list_append(bl_devs, eina_stringshare_add("randr"));
out = ecore_x_randr_window_outputs_get(root, &num);
if ((out) && (num > 0))
{
for (i = 0; i < num; i++)
{
char *name = ecore_x_randr_output_name_get(root, out[i], NULL);
if (!name) continue;
x_bl = ecore_x_randr_output_backlight_level_get(root, out[0]);
if (x_bl >= 0.0)
{
Backlight_Device *bd = calloc(1, sizeof(Backlight_Device));
if (bd)
{
const char *edid_str = _backlight_devices_randr_out_edid_str_get(root, &(out[i]));
if (edid_str)
{
bd->dev = eina_stringshare_add("randr");
bd->output = eina_stringshare_add(name);
bd->edid = edid_str;
_devices = eina_list_append(_devices, bd);
found = EINA_TRUE;
}
else free(bd);
}
}
free(name);