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#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;
uint32_t vrr_capable; // not guaranteed to exist
uint32_t subconnector; // not guaranteed to exist
// 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 vrr_enabled;
uint32_t gamma_lut;
uint32_t gamma_lut_size;
// atomic-modesetting only
uint32_t active;
uint32_t mode_id;
};
uint32_t props[6];
};
union wlr_drm_plane_props {
struct {
uint32_t type;
uint32_t rotation; // Not guaranteed to exist
uint32_t in_formats; // 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[13];
};
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);
char *get_drm_prop_enum(int fd, uint32_t obj, uint32_t prop);
#endif
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