#ifndef BACKEND_DRM_DRM_H #define BACKEND_DRM_DRM_H #include #include #include #include #include #include #include #include #include #include #include "backend/drm/iface.h" #include "backend/drm/properties.h" #include "backend/drm/renderer.h" struct wlr_drm_plane { uint32_t type; uint32_t id; /* Only initialized on multi-GPU setups */ struct wlr_drm_surface mgpu_surf; /* 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; struct wlr_drm_format_set formats; struct wlr_output_cursor_size *cursor_sizes; size_t cursor_sizes_len; struct wlr_drm_plane_props props; uint32_t initial_crtc_id; struct liftoff_plane *liftoff; struct liftoff_layer *liftoff_layer; }; struct wlr_drm_layer { struct wlr_output_layer *wlr; struct liftoff_layer *liftoff; struct wlr_addon addon; // wlr_output_layer.addons struct wl_list link; // wlr_drm_crtc.layers /* 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; // One entry per wlr_drm_backend.planes bool *candidate_planes; }; struct wlr_drm_crtc { uint32_t id; struct wlr_drm_lease *lease; struct liftoff_output *liftoff; struct liftoff_layer *liftoff_composition_layer; struct wl_list layers; // wlr_drm_layer.link // Atomic modesetting only bool own_mode_id; uint32_t mode_id; uint32_t gamma_lut; // Legacy only int legacy_gamma_size; struct wlr_drm_plane *primary; struct wlr_drm_plane *cursor; struct wlr_drm_crtc_props props; }; struct wlr_drm_backend { struct wlr_backend backend; struct wlr_drm_backend *parent; const struct wlr_drm_interface *iface; bool addfb2_modifiers; int fd; char *name; struct wlr_device *dev; struct liftoff_device *liftoff; size_t num_crtcs; struct wlr_drm_crtc *crtcs; size_t num_planes; struct wlr_drm_plane *planes; struct wl_event_source *drm_event; struct wl_listener session_destroy; struct wl_listener session_active; struct wl_listener parent_destroy; struct wl_listener dev_change; struct wl_listener dev_remove; struct wl_list fbs; // wlr_drm_fb.link struct wl_list connectors; // wlr_drm_connector.link struct wl_list page_flips; // wlr_drm_page_flip.link /* Only initialized on multi-GPU setups */ struct wlr_drm_renderer mgpu_renderer; struct wlr_session *session; uint64_t cursor_width, cursor_height; struct wlr_drm_format_set mgpu_formats; bool supports_tearing_page_flips; }; struct wlr_drm_mode { struct wlr_output_mode wlr_mode; drmModeModeInfo drm_mode; }; struct wlr_drm_device_state { bool modeset; bool nonblock; struct wlr_drm_connector_state *connectors; size_t connectors_len; }; struct wlr_drm_connector_state { struct wlr_drm_connector *connector; const struct wlr_output_state *base; bool active; drmModeModeInfo mode; struct wlr_drm_fb *primary_fb; struct wlr_drm_fb *cursor_fb; // used by atomic uint32_t mode_id; uint32_t gamma_lut; uint32_t fb_damage_clips; int primary_in_fence_fd, out_fence_fd; bool vrr_enabled; }; /** * Per-page-flip tracking struct. * * We've asked for a state change in the kernel, and yet to receive 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. * * However, we might have multiple in-flight page-flip events, for instance * when performing a non-blocking commit followed by a blocking commit. In * that case, conn will be set to NULL on the non-blocking commit to indicate * that it's been superseded. */ struct wlr_drm_page_flip { struct wl_list link; // wlr_drm_connector.page_flips struct wlr_drm_page_flip_connector *connectors; size_t connectors_len; // True if DRM_MODE_PAGE_FLIP_ASYNC was set bool async; }; struct wlr_drm_page_flip_connector { uint32_t crtc_id; struct wlr_drm_connector *connector; // may be NULL }; struct wlr_drm_connector { struct wlr_output output; // only valid if status != DISCONNECTED struct wlr_drm_backend *backend; char name[24]; drmModeConnection status; uint32_t id; uint64_t max_bpc_bounds[2]; struct wlr_drm_lease *lease; struct wlr_drm_crtc *crtc; uint32_t possible_crtcs; struct wlr_drm_connector_props props; bool cursor_enabled; int cursor_x, cursor_y; int cursor_width, cursor_height; int cursor_hotspot_x, cursor_hotspot_y; /* Buffer to be submitted to the kernel on the next page-flip */ struct wlr_drm_fb *cursor_pending_fb; struct wl_list link; // wlr_drm_backend.connectors // Last committed page-flip struct wlr_drm_page_flip *pending_page_flip; int32_t refresh; }; 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 scan_drm_connectors(struct wlr_drm_backend *state, struct wlr_device_hotplug_event *event); void scan_drm_leases(struct wlr_drm_backend *drm); bool commit_drm_device(struct wlr_drm_backend *drm, const struct wlr_backend_output_state *states, size_t states_len, bool test_only); void restore_drm_device(struct wlr_drm_backend *drm); int handle_drm_event(int fd, uint32_t mask, void *data); void destroy_drm_connector(struct wlr_drm_connector *conn); bool drm_connector_is_cursor_visible(struct wlr_drm_connector *conn); size_t drm_crtc_get_gamma_lut_size(struct wlr_drm_backend *drm, struct wlr_drm_crtc *crtc); void drm_lease_destroy(struct wlr_drm_lease *lease); void drm_page_flip_destroy(struct wlr_drm_page_flip *page_flip); struct wlr_drm_layer *get_drm_layer(struct wlr_drm_backend *drm, struct wlr_output_layer *layer); #if __STDC_VERSION__ >= 202311L #define wlr_drm_conn_log(conn, verb, fmt, ...) \ wlr_log(verb, "connector %s: " fmt, conn->name __VA_OPT__(,) __VA_ARGS__) #define wlr_drm_conn_log_errno(conn, verb, fmt, ...) \ wlr_log_errno(verb, "connector %s: " fmt, conn->name __VA_OPT__(,) __VA_ARGS__) #else #define wlr_drm_conn_log(conn, verb, fmt, ...) \ wlr_log(verb, "connector %s: " fmt, conn->name, ##__VA_ARGS__) #define wlr_drm_conn_log_errno(conn, verb, fmt, ...) \ wlr_log_errno(verb, "connector %s: " fmt, conn->name, ##__VA_ARGS__) #endif #endif