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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 <wayland-server.h>
#include <wayland-util.h>
#include <wlr/backend/drm.h>
#include <wlr/backend/session.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;
uint32_t possible_crtcs;
struct wlr_drm_surface surf;
struct wlr_drm_surface mgpu_surf;
// Only used by cursor
float matrix[9];
struct gbm_bo *cursor_bo;
bool cursor_enabled;
int32_t cursor_hotspot_x, cursor_hotspot_y;
union wlr_drm_plane_props props;
};
struct wlr_drm_crtc {
uint32_t id;
// Atomic modesetting only
uint32_t mode_id;
uint32_t gamma_lut;
drmModeAtomicReq *atomic;
// Legacy only
drmModeCrtc *legacy_crtc;
union {
struct {
struct wlr_drm_plane *overlay;
struct wlr_drm_plane *primary;
struct wlr_drm_plane *cursor;
};
struct wlr_drm_plane *planes[3];
};
union wlr_drm_crtc_props props;
struct wl_list connectors;
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;
int fd;
size_t num_crtcs;
struct wlr_drm_crtc *crtcs;
size_t num_planes;
struct wlr_drm_plane *planes;
union {
struct {
size_t num_overlay_planes;
size_t num_primary_planes;
size_t num_cursor_planes;
};
size_t num_type_planes[3];
};
union {
struct {
struct wlr_drm_plane *overlay_planes;
struct wlr_drm_plane *primary_planes;
struct wlr_drm_plane *cursor_planes;
};
struct wlr_drm_plane *type_planes[3];
};
struct wl_display *display;
struct wl_event_source *drm_event;
struct wl_listener display_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,
// Connector disappeared, waiting for being destroyed on next page-flip
WLR_DRM_CONN_DISAPPEARED,
};
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;
uint32_t width, height;
int32_t cursor_x, cursor_y;
drmModeCrtc *old_crtc;
bool pageflip_pending;
struct wl_event_source *retry_pageflip;
struct wl_list link;
};
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);
#endif
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