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Added DRM property infrastructure

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This commit is contained in:
Scott Anderson 2017-07-20 13:37:07 +12:00
parent f95c02eebe
commit 601bbad5d8
2 changed files with 158 additions and 0 deletions
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59
backend/drm/drm-properties.h Normal file
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#ifndef DRM_PROPERTIES_H
#define 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/drm-kms-properties.html
* for more details.
*/
union wlr_drm_connector_props {
struct {
uint32_t edid;
uint32_t dpms;
// atomic-modesetting only
uint32_t crtc_id;
};
uint32_t props[3];
};
union wlr_drm_crtc_props {
struct {
// Neither of these are guranteed to exist
uint32_t rotation;
uint32_t scaling_mode;
};
uint32_t props[2];
};
union wlr_drm_plane_props {
struct {
uint32_t type;
uint32_t rotation; // Not guranteed 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 wlr_drm_get_connector_props(int fd, uint32_t id, union wlr_drm_connector_props *out);
bool wlr_drm_get_crtc_props(int fd, uint32_t id, union wlr_drm_crtc_props *out);
bool wlr_drm_get_plane_props(int fd, uint32_t id, union wlr_drm_plane_props *out);
#endif