diff options
Diffstat (limited to 'backend/drm/legacy.c')
-rw-r--r-- | backend/drm/legacy.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/backend/drm/legacy.c b/backend/drm/legacy.c index ba16493f..46a0309e 100644 --- a/backend/drm/legacy.c +++ b/backend/drm/legacy.c @@ -30,6 +30,12 @@ static bool legacy_crtc_pageflip(struct wlr_drm_backend *drm, } } + if (crtc->pending & WLR_DRM_CRTC_GAMMA_LUT) { + if (!drm_legacy_crtc_set_gamma(drm, crtc)) { + return false; + } + } + if (cursor != NULL && cursor->cursor_enabled && drmModeMoveCursor(drm->fd, crtc->id, conn->cursor_x, conn->cursor_y) != 0) { wlr_log_errno(WLR_ERROR, "%s: failed to move cursor", conn->output.name); @@ -83,10 +89,22 @@ bool legacy_crtc_set_cursor(struct wlr_drm_backend *drm, return true; } -static bool legacy_crtc_set_gamma(struct wlr_drm_backend *drm, - struct wlr_drm_crtc *crtc, size_t size, - uint16_t *r, uint16_t *g, uint16_t *b) { - return !drmModeCrtcSetGamma(drm->fd, crtc->id, (uint32_t)size, r, g, b); +bool drm_legacy_crtc_set_gamma(struct wlr_drm_backend *drm, + struct wlr_drm_crtc *crtc) { + uint32_t size = crtc->gamma_table_size; + uint16_t *r = NULL, *g = NULL, *b = NULL; + if (size > 0) { + r = crtc->gamma_table; + g = crtc->gamma_table + crtc->gamma_table_size; + b = crtc->gamma_table + 2 * crtc->gamma_table_size; + } + + if (drmModeCrtcSetGamma(drm->fd, crtc->id, size, r, g, b) != 0) { + wlr_log_errno(WLR_ERROR, "Failed to set gamma LUT on CRTC %"PRIu32, + crtc->id); + return false; + } + return true; } static size_t legacy_crtc_get_gamma_size(struct wlr_drm_backend *drm, @@ -98,6 +116,5 @@ const struct wlr_drm_interface legacy_iface = { .conn_enable = legacy_conn_enable, .crtc_pageflip = legacy_crtc_pageflip, .crtc_set_cursor = legacy_crtc_set_cursor, - .crtc_set_gamma = legacy_crtc_set_gamma, .crtc_get_gamma_size = legacy_crtc_get_gamma_size, }; |