wlroots/include/backend/drm/properties.h
Simon Ser a35b4f059d backend/drm: add support for SIZE_HINTS property
This property allows the driver to advertise support for multiple
cursor sizes. On Intel, using a smaller buffer size reduces power
consumption.

References: https://lore.kernel.org/dri-devel/20240227193523.5601-2-ville.syrjala@linux.intel.com/
2024-07-10 22:42:44 +00:00

79 lines
2.0 KiB
C

#ifndef BACKEND_DRM_PROPERTIES_H
#define BACKEND_DRM_PROPERTIES_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
/*
* These types contain the property ids for several DRM objects.
* For more details, see:
* https://dri.freedesktop.org/docs/drm/gpu/drm-kms.html#kms-properties
*/
struct wlr_drm_connector_props {
uint32_t edid;
uint32_t dpms;
uint32_t link_status; // not guaranteed to exist
uint32_t path;
uint32_t vrr_capable; // not guaranteed to exist
uint32_t subconnector; // not guaranteed to exist
uint32_t non_desktop;
uint32_t panel_orientation; // not guaranteed to exist
uint32_t content_type; // not guaranteed to exist
uint32_t max_bpc; // not guaranteed to exist
// atomic-modesetting only
uint32_t crtc_id;
};
struct wlr_drm_crtc_props {
// Neither of these are guaranteed to exist
uint32_t vrr_enabled;
uint32_t gamma_lut;
uint32_t gamma_lut_size;
// atomic-modesetting only
uint32_t active;
uint32_t mode_id;
};
struct wlr_drm_plane_props {
uint32_t type;
uint32_t rotation; // Not guaranteed to exist
uint32_t in_formats; // Not guaranteed to exist
uint32_t size_hints; // 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 fb_damage_clips;
uint32_t hotspot_x;
uint32_t hotspot_y;
};
bool get_drm_connector_props(int fd, uint32_t id,
struct wlr_drm_connector_props *out);
bool get_drm_crtc_props(int fd, uint32_t id, struct wlr_drm_crtc_props *out);
bool get_drm_plane_props(int fd, uint32_t id, struct 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);
char *get_drm_prop_enum(int fd, uint32_t obj, uint32_t prop);
bool introspect_drm_prop_range(int fd, uint32_t prop_id,
uint64_t *min, uint64_t *max);
#endif