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-rw-r--r--src/utils.c146
1 files changed, 135 insertions, 11 deletions
diff --git a/src/utils.c b/src/utils.c
index 8316fa4..f98527f 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -7,6 +7,14 @@
#include <xf86drmMode.h>
#include <xf86drm.h>
#include <stdlib.h>
+#include <X11/Xatom.h>
+
+typedef enum {
+ X11_ROT_0 = 1 << 0,
+ X11_ROT_90 = 1 << 1,
+ X11_ROT_180 = 1 << 2,
+ X11_ROT_270 = 1 << 3
+} X11Rotation;
double clock_get_monotonic_seconds(void) {
struct timespec ts;
@@ -24,11 +32,49 @@ static const XRRModeInfo* get_mode_info(const XRRScreenResources *sr, RRMode id)
return NULL;
}
+static gsr_monitor_rotation x11_rotation_to_gsr_rotation(X11Rotation rot) {
+ switch(rot) {
+ case X11_ROT_0: return GSR_MONITOR_ROT_0;
+ case X11_ROT_90: return GSR_MONITOR_ROT_90;
+ case X11_ROT_180: return GSR_MONITOR_ROT_180;
+ case X11_ROT_270: return GSR_MONITOR_ROT_270;
+ }
+ return GSR_MONITOR_ROT_0;
+}
+
+static gsr_monitor_rotation wayland_transform_to_gsr_rotation(int32_t rot) {
+ switch(rot) {
+ case 0: return GSR_MONITOR_ROT_0;
+ case 1: return GSR_MONITOR_ROT_90;
+ case 2: return GSR_MONITOR_ROT_180;
+ case 3: return GSR_MONITOR_ROT_270;
+ }
+ return GSR_MONITOR_ROT_0;
+}
+
+static uint32_t x11_output_get_connector_id(Display *dpy, RROutput output, Atom randr_connector_id_atom) {
+ Atom type = 0;
+ int format = 0;
+ unsigned long bytes_after = 0;
+ unsigned long nitems = 0;
+ unsigned char *prop = NULL;
+ XRRGetOutputProperty(dpy, output, randr_connector_id_atom, 0, 128, false, false, AnyPropertyType, &type, &format, &nitems, &bytes_after, &prop);
+
+ long result = 0;
+ if(type == XA_INTEGER && format == 32)
+ result = *(long*)prop;
+
+ free(prop);
+ return result;
+}
+
void for_each_active_monitor_output_x11(Display *display, active_monitor_callback callback, void *userdata) {
XRRScreenResources *screen_res = XRRGetScreenResources(display, DefaultRootWindow(display));
if(!screen_res)
return;
+ const Atom randr_connector_id_atom = XInternAtom(display, "CONNECTOR_ID", False);
+
char display_name[256];
for(int i = 0; i < screen_res->noutput; ++i) {
XRROutputInfo *out_info = XRRGetOutputInfo(display, screen_res, screen_res->outputs[i]);
@@ -40,13 +86,15 @@ void for_each_active_monitor_output_x11(Display *display, active_monitor_callbac
memcpy(display_name, out_info->name, out_info->nameLen);
display_name[out_info->nameLen] = '\0';
- gsr_monitor monitor = {
+ const gsr_monitor monitor = {
.name = display_name,
.name_len = out_info->nameLen,
.pos = { .x = crt_info->x, .y = crt_info->y },
.size = { .x = (int)crt_info->width, .y = (int)crt_info->height },
.crt_info = crt_info,
- .connector_id = 0 // TODO: Get connector id
+ .connector_id = x11_output_get_connector_id(display, screen_res->outputs[i], randr_connector_id_atom),
+ .rotation = x11_rotation_to_gsr_rotation(crt_info->rotation),
+ .monitor_identifier = 0
};
callback(&monitor, userdata);
}
@@ -64,6 +112,7 @@ void for_each_active_monitor_output_x11(Display *display, active_monitor_callbac
typedef struct {
int type;
int count;
+ int count_active;
} drm_connector_type_count;
#define CONNECTOR_TYPE_COUNTS 32
@@ -80,6 +129,7 @@ static drm_connector_type_count* drm_connector_types_get_index(drm_connector_typ
const int index = *num_type_counts;
type_counts[index].type = connector_type;
type_counts[index].count = 0;
+ type_counts[index].count_active = 0;
++*num_type_counts;
return &type_counts[index];
}
@@ -99,18 +149,51 @@ static bool connector_get_property_by_name(int drmfd, drmModeConnectorPtr props,
return false;
}
+/* TODO: Support more connector types*/
+static int get_connector_type_by_name(const char *name) {
+ int len = strlen(name);
+ if(len >= 5 && strncmp(name, "HDMI-", 5) == 0)
+ return 1;
+ else if(len >= 3 && strncmp(name, "DP-", 3) == 0)
+ return 2;
+ else if(len >= 12 && strncmp(name, "DisplayPort-", 12) == 0)
+ return 3;
+ else
+ return -1;
+}
+
+static uint32_t monitor_identifier_from_type_and_count(int monitor_type_index, int monitor_type_count) {
+ return ((uint32_t)monitor_type_index << 16) | ((uint32_t)monitor_type_count);
+}
+
static void for_each_active_monitor_output_wayland(const gsr_egl *egl, active_monitor_callback callback, void *userdata) {
+ drm_connector_type_count type_counts[CONNECTOR_TYPE_COUNTS];
+ int num_type_counts = 0;
+
for(int i = 0; i < egl->wayland.num_outputs; ++i) {
- if(!egl->wayland.outputs[i].name)
+ const gsr_wayland_output *output = &egl->wayland.outputs[i];
+ if(!output->name)
continue;
- gsr_monitor monitor = {
- .name = egl->wayland.outputs[i].name,
- .name_len = strlen(egl->wayland.outputs[i].name),
- .pos = { .x = egl->wayland.outputs[i].pos.x, .y = egl->wayland.outputs[i].pos.y },
- .size = { .x = egl->wayland.outputs[i].size.x, .y = egl->wayland.outputs[i].size.y },
+ const int connector_type_index = get_connector_type_by_name(output->name);
+ drm_connector_type_count *connector_type = NULL;
+ if(connector_type_index != -1)
+ connector_type = drm_connector_types_get_index(type_counts, &num_type_counts, connector_type_index);
+
+ if(connector_type) {
+ ++connector_type->count;
+ ++connector_type->count_active;
+ }
+
+ const gsr_monitor monitor = {
+ .name = output->name,
+ .name_len = strlen(output->name),
+ .pos = { .x = output->pos.x, .y = output->pos.y },
+ .size = { .x = output->size.x, .y = output->size.y },
.crt_info = NULL,
- .connector_id = 0
+ .connector_id = 0,
+ .rotation = wayland_transform_to_gsr_rotation(output->transform),
+ .monitor_identifier = connector_type ? monitor_identifier_from_type_and_count(connector_type_index, connector_type->count_active) : 0
};
callback(&monitor, userdata);
}
@@ -145,19 +228,25 @@ static void for_each_active_monitor_output_drm(const gsr_egl *egl, active_monito
continue;
}
+ if(connector_type)
+ ++connector_type->count_active;
+
uint64_t crtc_id = 0;
connector_get_property_by_name(fd, connector, "CRTC_ID", &crtc_id);
drmModeCrtcPtr crtc = drmModeGetCrtc(fd, crtc_id);
if(connector_type && crtc_id > 0 && crtc && connection_name_len + 5 < (int)sizeof(display_name)) {
const int display_name_len = snprintf(display_name, sizeof(display_name), "%s-%d", connection_name, connector_type->count);
- gsr_monitor monitor = {
+ const int connector_type_index_name = get_connector_type_by_name(display_name);
+ const gsr_monitor monitor = {
.name = display_name,
.name_len = display_name_len,
.pos = { .x = crtc->x, .y = crtc->y },
.size = { .x = (int)crtc->width, .y = (int)crtc->height },
.crt_info = NULL,
- .connector_id = connector->connector_id
+ .connector_id = connector->connector_id,
+ .rotation = GSR_MONITOR_ROT_0,
+ .monitor_identifier = connector_type_index_name != -1 ? monitor_identifier_from_type_and_count(connector_type_index_name, connector_type->count_active) : 0
};
callback(&monitor, userdata);
}
@@ -192,6 +281,9 @@ static void get_monitor_by_name_callback(const gsr_monitor *monitor, void *userd
if(!data->found_monitor && strcmp(data->name, monitor->name) == 0) {
data->monitor->pos = monitor->pos;
data->monitor->size = monitor->size;
+ data->monitor->connector_id = monitor->connector_id;
+ data->monitor->rotation = monitor->rotation;
+ data->monitor->monitor_identifier = monitor->monitor_identifier;
data->found_monitor = true;
}
}
@@ -206,6 +298,38 @@ bool get_monitor_by_name(const gsr_egl *egl, gsr_connection_type connection_type
return userdata.found_monitor;
}
+typedef struct {
+ const gsr_monitor *monitor;
+ gsr_monitor_rotation rotation;
+} get_monitor_by_connector_id_userdata;
+
+static void get_monitor_by_connector_id_callback(const gsr_monitor *monitor, void *userdata) {
+ get_monitor_by_connector_id_userdata *data = (get_monitor_by_connector_id_userdata*)userdata;
+ if(monitor->connector_id == data->monitor->connector_id ||
+ (!monitor->connector_id && monitor->monitor_identifier == data->monitor->monitor_identifier))
+ {
+ data->rotation = monitor->rotation;
+ }
+}
+
+gsr_monitor_rotation drm_monitor_get_display_server_rotation(const gsr_egl *egl, const gsr_monitor *monitor) {
+ if(egl->wayland.dpy) {
+ get_monitor_by_connector_id_userdata userdata;
+ userdata.monitor = monitor;
+ userdata.rotation = GSR_MONITOR_ROT_0;
+ for_each_active_monitor_output_wayland(egl, get_monitor_by_connector_id_callback, &userdata);
+ return userdata.rotation;
+ } else {
+ get_monitor_by_connector_id_userdata userdata;
+ userdata.monitor = monitor;
+ userdata.rotation = GSR_MONITOR_ROT_0;
+ for_each_active_monitor_output_x11(egl->x11.dpy, get_monitor_by_connector_id_callback, &userdata);
+ return userdata.rotation;
+ }
+
+ return GSR_MONITOR_ROT_0;
+}
+
bool gl_get_gpu_info(gsr_egl *egl, gsr_gpu_info *info) {
const char *software_renderers[] = { "llvmpipe", "SWR", "softpipe", NULL };
bool supported = true;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-14 14:59:01 +0000