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Add atomic gamma lut size fetching

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Legacy gamma lut size now uses the new legacy_crtc member of
wlr_drm_crtc. This was Previously doen using old_crtc in
wlr_drm_connector, but since this refers to the crtc that was connected to
the ouput, this could give the wrong result.
This commit is contained in:
Vincent Vanlaer 2018-02-04 21:03:44 +01:00
parent cc1229e75e
commit ab011406ad
7 changed files with 37 additions and 8 deletions
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14
backend/drm/atomic.c
View file

@ -226,10 +226,24 @@ static bool atomic_crtc_set_gamma(struct wlr_drm_backend *drm,
return atomic_end(drm->fd, &atom);
}
static uint32_t atomic_crtc_get_gamma_size(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc) {
uint64_t gamma_lut_size;
if (!wlr_drm_get_prop(drm->fd, crtc->id, crtc->props.gamma_lut_size,
&gamma_lut_size)) {
wlr_log(L_ERROR, "Unable to get gamma lut size");
return 0;
}
return (uint32_t) gamma_lut_size;
}
const struct wlr_drm_interface atomic_iface = {
.conn_enable = atomic_conn_enable,
.crtc_pageflip = atomic_crtc_pageflip,
.crtc_set_cursor = atomic_crtc_set_cursor,
.crtc_move_cursor = atomic_crtc_move_cursor,
.crtc_set_gamma = atomic_crtc_set_gamma,
.crtc_get_gamma_size = atomic_crtc_get_gamma_size,
};