168 lines
4.5 KiB
C
168 lines
4.5 KiB
C
#ifndef BACKEND_DRM_DRM_H
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#define BACKEND_DRM_DRM_H
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#include <gbm.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <time.h>
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#include <wayland-server-core.h>
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#include <wayland-util.h>
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#include <wlr/backend/drm.h>
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#include <wlr/backend/session.h>
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#include <wlr/render/drm_format_set.h>
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#include <xf86drmMode.h>
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#include "backend/drm/iface.h"
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#include "backend/drm/properties.h"
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#include "backend/drm/renderer.h"
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struct wlr_drm_plane {
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uint32_t type;
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uint32_t id;
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/* Only initialized on multi-GPU setups */
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struct wlr_drm_surface mgpu_surf;
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/* Buffer to be submitted to the kernel on the next page-flip */
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struct wlr_drm_fb *pending_fb;
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/* Buffer submitted to the kernel, will be presented on next vblank */
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struct wlr_drm_fb *queued_fb;
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/* Buffer currently displayed on screen */
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struct wlr_drm_fb *current_fb;
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struct wlr_drm_format_set formats;
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union wlr_drm_plane_props props;
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};
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struct wlr_drm_crtc {
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uint32_t id;
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// Atomic modesetting only
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uint32_t mode_id;
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uint32_t gamma_lut;
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// Legacy only
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drmModeCrtc *legacy_crtc;
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struct wlr_drm_plane *primary;
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struct wlr_drm_plane *cursor;
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union wlr_drm_crtc_props props;
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};
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struct wlr_drm_backend {
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struct wlr_backend backend;
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struct wlr_drm_backend *parent;
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const struct wlr_drm_interface *iface;
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clockid_t clock;
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bool addfb2_modifiers;
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int fd;
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char *name;
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struct wlr_device *dev;
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struct gbm_device *gbm;
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size_t num_crtcs;
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struct wlr_drm_crtc *crtcs;
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struct wl_display *display;
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struct wl_event_source *drm_event;
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struct wl_listener display_destroy;
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struct wl_listener session_destroy;
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struct wl_listener session_active;
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struct wl_listener parent_destroy;
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struct wl_listener dev_change;
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struct wl_listener dev_remove;
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struct wl_list fbs; // wlr_drm_fb.link
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struct wl_list outputs;
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/* Only initialized on multi-GPU setups */
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struct wlr_drm_renderer mgpu_renderer;
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struct wlr_session *session;
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uint64_t cursor_width, cursor_height;
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struct wlr_drm_format_set mgpu_formats;
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};
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enum wlr_drm_connector_state {
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// Connector is available but no output is plugged in
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WLR_DRM_CONN_DISCONNECTED,
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// An output just has been plugged in and is waiting for a modeset
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WLR_DRM_CONN_NEEDS_MODESET,
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WLR_DRM_CONN_CLEANUP,
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WLR_DRM_CONN_CONNECTED,
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};
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struct wlr_drm_mode {
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struct wlr_output_mode wlr_mode;
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drmModeModeInfo drm_mode;
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};
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struct wlr_drm_connector {
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struct wlr_output output; // only valid if state != DISCONNECTED
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struct wlr_drm_backend *backend;
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char name[24];
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enum wlr_drm_connector_state state;
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struct wlr_output_mode *desired_mode;
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bool desired_enabled;
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uint32_t id;
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struct wlr_drm_crtc *crtc;
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uint32_t possible_crtcs;
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union wlr_drm_connector_props props;
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bool cursor_enabled;
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int cursor_x, cursor_y;
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int cursor_width, cursor_height;
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int cursor_hotspot_x, cursor_hotspot_y;
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struct wl_list link;
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/* CRTC ID if a page-flip is pending, zero otherwise.
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*
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* We've asked for a state change in the kernel, and yet to receive a
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* notification for its completion. Currently, the kernel only has a
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* queue length of 1, and no way to modify your submissions after
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* they're sent.
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*/
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uint32_t pending_page_flip_crtc;
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};
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struct wlr_drm_backend *get_drm_backend_from_backend(
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struct wlr_backend *wlr_backend);
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bool check_drm_features(struct wlr_drm_backend *drm);
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bool init_drm_resources(struct wlr_drm_backend *drm);
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void finish_drm_resources(struct wlr_drm_backend *drm);
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void scan_drm_connectors(struct wlr_drm_backend *state);
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int handle_drm_event(int fd, uint32_t mask, void *data);
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void destroy_drm_connector(struct wlr_drm_connector *conn);
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bool drm_connector_commit_state(struct wlr_drm_connector *conn,
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const struct wlr_output_state *state);
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bool drm_connector_is_cursor_visible(struct wlr_drm_connector *conn);
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bool drm_connector_supports_vrr(struct wlr_drm_connector *conn);
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size_t drm_crtc_get_gamma_lut_size(struct wlr_drm_backend *drm,
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struct wlr_drm_crtc *crtc);
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struct wlr_drm_fb *plane_get_next_fb(struct wlr_drm_plane *plane);
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bool drm_connector_state_is_modeset(const struct wlr_output_state *state);
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bool drm_connector_state_active(struct wlr_drm_connector *conn,
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const struct wlr_output_state *state);
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void drm_connector_state_mode(struct wlr_drm_connector *conn,
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const struct wlr_output_state *state, drmModeModeInfo *mode);
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#define wlr_drm_conn_log(conn, verb, fmt, ...) \
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wlr_log(verb, "connector %s: " fmt, conn->name, ##__VA_ARGS__)
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#define wlr_drm_conn_log_errno(conn, verb, fmt, ...) \
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wlr_log_errno(verb, "connector %s: " fmt, conn->name, ##__VA_ARGS__)
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#endif
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