hyprwm/wlroots-hyprland
1
0
Fork 0
mirror of https://github.com/hyprwm/wlroots-hyprland.git synced 2024-11-22 12:55:58 +01:00
Code Issues Projects Releases Packages Wiki Activity

backend/drm: add support for FB_DAMAGE_CLIPS

Browse source 
This allows the kernel to access our buffer damage. Some drivers
can take advantage of this, e.g. for PSR2 panels (Panel Self
Refresh) or for transfer over USB.

Closes: https://github.com/swaywm/wlroots/issues/1267
This commit is contained in:
Simon Ser 2021-07-21 15:58:01 +02:00
parent 109405729b
commit 46c42e55c6
3 changed files with 24 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
backend/drm/atomic.c
View file

@ -201,6 +201,18 @@ static bool atomic_crtc_commit(struct wlr_drm_connector *conn,
} }
} }
uint32_t fb_damage_clips = 0;
if ((state->committed & WLR_OUTPUT_STATE_DAMAGE) &&
crtc->primary->props.fb_damage_clips != 0) {
int rects_len;
const pixman_box32_t *rects = pixman_region32_rectangles(
(pixman_region32_t *)&state->damage, &rects_len);
if (drmModeCreatePropertyBlob(drm->fd, rects,
sizeof(*rects) * rects_len, &fb_damage_clips) != 0) {
wlr_log_errno(WLR_ERROR, "Failed to create FB_DAMAGE_CLIPS property blob");
}
}
bool prev_vrr_enabled = bool prev_vrr_enabled =
output->adaptive_sync_status == WLR_OUTPUT_ADAPTIVE_SYNC_ENABLED; output->adaptive_sync_status == WLR_OUTPUT_ADAPTIVE_SYNC_ENABLED;
bool vrr_enabled = prev_vrr_enabled; bool vrr_enabled = prev_vrr_enabled;
@ -235,6 +247,10 @@ static bool atomic_crtc_commit(struct wlr_drm_connector *conn,
atomic_add(&atom, crtc->id, crtc->props.vrr_enabled, vrr_enabled); atomic_add(&atom, crtc->id, crtc->props.vrr_enabled, vrr_enabled);
} }
set_plane_props(&atom, drm, crtc->primary, crtc->id, 0, 0); set_plane_props(&atom, drm, crtc->primary, crtc->id, 0, 0);
if (crtc->primary->props.fb_damage_clips != 0) {
atomic_add(&atom, crtc->primary->id,
crtc->primary->props.fb_damage_clips, fb_damage_clips);
}
if (crtc->cursor) { if (crtc->cursor) {
if (drm_connector_is_cursor_visible(conn)) { if (drm_connector_is_cursor_visible(conn)) {
set_plane_props(&atom, drm, crtc->cursor, crtc->id, set_plane_props(&atom, drm, crtc->cursor, crtc->id,
@ -269,6 +285,11 @@ static bool atomic_crtc_commit(struct wlr_drm_connector *conn,
rollback_blob(drm, &crtc->gamma_lut, gamma_lut); rollback_blob(drm, &crtc->gamma_lut, gamma_lut);
} }
if (fb_damage_clips != 0 &&
drmModeDestroyPropertyBlob(drm->fd, fb_damage_clips) != 0) {
wlr_log_errno(WLR_ERROR, "Failed to destroy FB_DAMAGE_CLIPS property blob");
}
return ok; return ok;
} }

1
backend/drm/properties.c
View file

@ -47,6 +47,7 @@ static const struct prop_info plane_info[] = {
{ "CRTC_W", INDEX(crtc_w) }, { "CRTC_W", INDEX(crtc_w) },
{ "CRTC_X", INDEX(crtc_x) }, { "CRTC_X", INDEX(crtc_x) },
{ "CRTC_Y", INDEX(crtc_y) }, { "CRTC_Y", INDEX(crtc_y) },
{ "FB_DAMAGE_CLIPS", INDEX(fb_damage_clips) },
{ "FB_ID", INDEX(fb_id) }, { "FB_ID", INDEX(fb_id) },
{ "IN_FORMATS", INDEX(in_formats) }, { "IN_FORMATS", INDEX(in_formats) },
{ "SRC_H", INDEX(src_h) }, { "SRC_H", INDEX(src_h) },

3
include/backend/drm/properties.h
View file

@ -59,8 +59,9 @@ union wlr_drm_plane_props {
uint32_t crtc_h; uint32_t crtc_h;
uint32_t fb_id; uint32_t fb_id;
uint32_t crtc_id; uint32_t crtc_id;
uint32_t fb_damage_clips;
}; };
uint32_t props[13]; uint32_t props[14];
}; };
bool get_drm_connector_props(int fd, uint32_t id, bool get_drm_connector_props(int fd, uint32_t id,