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#ifndef BACKEND_DRM_DRM_H
#define BACKEND_DRM_DRM_H
#include <EGL/egl.h>
#include <gbm.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <time.h>
#include <wayland-server-core.h>
#include <wayland-util.h>
#include <wlr/backend/drm.h>
#include <wlr/backend/session.h>
#include <wlr/render/drm_format_set.h>
#include <wlr/render/egl.h>
#include <xf86drmMode.h>
#include "iface.h"
#include "properties.h"
#include "renderer.h"
struct wlr_drm_plane {
uint32_t type;
uint32_t id;
struct wlr_drm_surface surf;
struct wlr_drm_surface mgpu_surf;
/* Buffer to be submitted to the kernel on the next page-flip */
struct wlr_drm_fb pending_fb;
/* Buffer submitted to the kernel, will be presented on next vblank */
struct wlr_drm_fb queued_fb;
/* Buffer currently displayed on screen */
struct wlr_drm_fb current_fb;
uint32_t drm_format; // ARGB8888 or XRGB8888
struct wlr_drm_format_set formats;
// Only used by cursor
bool cursor_enabled;
int32_t cursor_hotspot_x, cursor_hotspot_y;
union wlr_drm_plane_props props;
};
enum wlr_drm_crtc_field {
WLR_DRM_CRTC_MODE = 1 << 0,
WLR_DRM_CRTC_GAMMA_LUT = 1 << 1,
};
struct wlr_drm_crtc {
uint32_t id;
uint32_t pending; // bitfield of enum wlr_drm_crtc_field
bool active;
drmModeModeInfo mode;
// Atomic modesetting only
uint32_t mode_id;
uint32_t gamma_lut;
// Legacy only
drmModeCrtc *legacy_crtc;
struct wlr_drm_plane *primary;
struct wlr_drm_plane *cursor;
/*
* We don't support overlay planes yet, but we keep track of them to
* give to DRM lease clients.
*/
size_t num_overlays;
uint32_t *overlays;
union wlr_drm_crtc_props props;
uint16_t *gamma_table;
size_t gamma_table_size;
};
struct wlr_drm_backend {
struct wlr_backend backend;
struct wlr_drm_backend *parent;
const struct wlr_drm_interface *iface;
clockid_t clock;
bool addfb2_modifiers;
int fd;
size_t num_crtcs;
struct wlr_drm_crtc *crtcs;
struct wl_display *display;
struct wl_event_source *drm_event;
struct wl_listener display_destroy;
struct wl_listener session_destroy;
struct wl_listener session_signal;
struct wl_listener drm_invalidated;
struct wl_list outputs;
struct wlr_drm_renderer renderer;
struct wlr_session *session;
};
enum wlr_drm_connector_state {
// Connector is available but no output is plugged in
WLR_DRM_CONN_DISCONNECTED,
// An output just has been plugged in and is waiting for a modeset
WLR_DRM_CONN_NEEDS_MODESET,
WLR_DRM_CONN_CLEANUP,
WLR_DRM_CONN_CONNECTED,
};
struct wlr_drm_mode {
struct wlr_output_mode wlr_mode;
drmModeModeInfo drm_mode;
};
struct wlr_drm_connector {
struct wlr_output output;
enum wlr_drm_connector_state state;
struct wlr_output_mode *desired_mode;
bool desired_enabled;
uint32_t id;
struct wlr_drm_crtc *crtc;
uint32_t possible_crtc;
union wlr_drm_connector_props props;
int32_t cursor_x, cursor_y;
drmModeCrtc *old_crtc;
struct wl_event_source *retry_pageflip;
struct wl_list link;
/*
* We've asked for a state change in the kernel, and yet to recieve a
* notification for its completion. Currently, the kernel only has a
* queue length of 1, and no way to modify your submissions after
* they're sent.
*/
bool pageflip_pending;
};
struct wlr_drm_backend *get_drm_backend_from_backend(
struct wlr_backend *wlr_backend);
bool check_drm_features(struct wlr_drm_backend *drm);
bool init_drm_resources(struct wlr_drm_backend *drm);
void finish_drm_resources(struct wlr_drm_backend *drm);
void restore_drm_outputs(struct wlr_drm_backend *drm);
void scan_drm_connectors(struct wlr_drm_backend *state);
int handle_drm_event(int fd, uint32_t mask, void *data);
bool enable_drm_connector(struct wlr_output *output, bool enable);
bool set_drm_connector_gamma(struct wlr_output *output, size_t size,
const uint16_t *r, const uint16_t *g, const uint16_t *b);
bool drm_connector_set_mode(struct wlr_output *output,
struct wlr_output_mode *mode);
struct wlr_drm_fb *plane_get_next_fb(struct wlr_drm_plane *plane);
bool legacy_crtc_set_cursor(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, struct gbm_bo *bo);
bool legacy_crtc_move_cursor(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, int x, int y);
#endif
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