diff options
Diffstat (limited to 'include/backend/drm/properties.h')
-rw-r--r-- | include/backend/drm/properties.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/backend/drm/properties.h b/include/backend/drm/properties.h new file mode 100644 index 00000000..b4d43bdd --- /dev/null +++ b/include/backend/drm/properties.h @@ -0,0 +1,72 @@ +#ifndef BACKEND_DRM_PROPERTIES_H +#define BACKEND_DRM_PROPERTIES_H + +#include <stdbool.h> +#include <stdint.h> + +/* + * These types contain the property ids for several DRM objects. + * See https://01.org/linuxgraphics/gfx-docs/drm/gpu/drm-kms.html#kms-properties + * for more details. + */ + +union wlr_drm_connector_props { + struct { + uint32_t edid; + uint32_t dpms; + uint32_t link_status; // not guaranteed to exist + uint32_t path; + + // atomic-modesetting only + + uint32_t crtc_id; + }; + uint32_t props[4]; +}; + +union wlr_drm_crtc_props { + struct { + // Neither of these are guaranteed to exist + uint32_t rotation; + uint32_t scaling_mode; + + // atomic-modesetting only + + uint32_t active; + uint32_t mode_id; + uint32_t gamma_lut; + uint32_t gamma_lut_size; + }; + uint32_t props[6]; +}; + +union wlr_drm_plane_props { + struct { + uint32_t type; + uint32_t rotation; // Not guaranteed to exist + + // atomic-modesetting only + + uint32_t src_x; + uint32_t src_y; + uint32_t src_w; + uint32_t src_h; + uint32_t crtc_x; + uint32_t crtc_y; + uint32_t crtc_w; + uint32_t crtc_h; + uint32_t fb_id; + uint32_t crtc_id; + }; + uint32_t props[12]; +}; + +bool get_drm_connector_props(int fd, uint32_t id, + union wlr_drm_connector_props *out); +bool get_drm_crtc_props(int fd, uint32_t id, union wlr_drm_crtc_props *out); +bool get_drm_plane_props(int fd, uint32_t id, union wlr_drm_plane_props *out); + +bool get_drm_prop(int fd, uint32_t obj, uint32_t prop, uint64_t *ret); +void *get_drm_prop_blob(int fd, uint32_t obj, uint32_t prop, size_t *ret_len); + +#endif |