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backend/drm: don't set cursor if off-screen 

Closes: https://github.com/swaywm/wlroots/issues/2216
This commit is contained in:
Simon Ser 2020-05-27 18:16:03 +02:00 committed by Drew DeVault
parent 5947160630
commit e7a8ea84c3
4 changed files with 14 additions and 2 deletions
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2
backend/drm/atomic.c
View File

@ -219,7 +219,7 @@ static bool atomic_crtc_commit(struct wlr_drm_backend *drm,
}
set_plane_props(&atom, drm, crtc->primary, crtc->id, 0, 0);
if (crtc->cursor) {
if (crtc->cursor->cursor_enabled) {
if (drm_connector_is_cursor_visible(conn)) {
set_plane_props(&atom, drm, crtc->cursor, crtc->id,
conn->cursor_x, conn->cursor_y);
} else {

11
backend/drm/drm.c
View File

@ -999,6 +999,17 @@ static bool drm_connector_move_cursor(struct wlr_output *output,
return true;
}
bool drm_connector_is_cursor_visible(struct wlr_drm_connector *conn) {
assert(conn->crtc != NULL && conn->crtc->cursor != NULL);
struct wlr_drm_plane *plane = conn->crtc->cursor;
return plane->cursor_enabled &&
conn->cursor_x < conn->output.width &&
conn->cursor_y < conn->output.height &&
conn->cursor_x + (int)plane->surf.width >= 0 &&
conn->cursor_y + (int)plane->surf.height >= 0;
}
static void drm_connector_destroy(struct wlr_output *output) {
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
drm_connector_cleanup(conn);

2
backend/drm/legacy.c
View File

@ -62,7 +62,7 @@ static bool legacy_crtc_commit(struct wlr_drm_backend *drm,
}
}
if (cursor != NULL && cursor->cursor_enabled) {
if (cursor != NULL && drm_connector_is_cursor_visible(conn)) {
struct wlr_drm_fb *cursor_fb = plane_get_next_fb(cursor);
struct gbm_bo *cursor_bo =
drm_fb_acquire(cursor_fb, drm, &cursor->mgpu_surf);

1
include/backend/drm/drm.h
View File

@ -152,6 +152,7 @@ void scan_drm_connectors(struct wlr_drm_backend *state);
int handle_drm_event(int fd, uint32_t mask, void *data);
bool drm_connector_set_mode(struct wlr_drm_connector *conn,
struct wlr_output_mode *mode);
bool drm_connector_is_cursor_visible(struct wlr_drm_connector *conn);
size_t drm_crtc_get_gamma_lut_size(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc);