mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2024-11-22 23:22:24 +00:00
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
#ifndef BACKEND_DRM_UTIL_H
|
|
#define BACKEND_DRM_UTIL_H
|
|
|
|
#include <stdint.h>
|
|
#include <wlr/types/wlr_output.h>
|
|
#include <xf86drm.h>
|
|
#include <xf86drmMode.h>
|
|
|
|
// Calculates a more accurate refresh rate (mHz) than what mode itself provides
|
|
int32_t calculate_refresh_rate(drmModeModeInfo *mode);
|
|
// Populates the make/model/phys_{width,height} of output from the edid data
|
|
void parse_edid(struct wlr_output *restrict output, size_t len,
|
|
const uint8_t *data);
|
|
// Returns the string representation of a DRM output type
|
|
const char *conn_get_name(uint32_t type_id);
|
|
// Returns the DRM framebuffer id for a gbm_bo
|
|
uint32_t get_fb_for_bo(struct gbm_bo *bo);
|
|
|
|
// Part of match_obj
|
|
enum {
|
|
UNMATCHED = (uint32_t)-1,
|
|
SKIP = (uint32_t)-2,
|
|
};
|
|
|
|
/*
|
|
* Tries to match some DRM objects with some other DRM resource.
|
|
* e.g. Match CRTCs with Encoders, CRTCs with Planes.
|
|
*
|
|
* objs contains a bit array which resources it can be matched with.
|
|
* e.g. Bit 0 set means can be matched with res[0]
|
|
*
|
|
* res contains an index of which objs it is matched with or UNMATCHED.
|
|
*
|
|
* This solution is left in out.
|
|
* Returns the total number of matched solutions.
|
|
*/
|
|
size_t match_obj(size_t num_objs, const uint32_t objs[static restrict num_objs],
|
|
size_t num_res, const uint32_t res[static restrict num_res],
|
|
uint32_t out[static restrict num_res]);
|
|
|
|
#endif
|