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167 lines
3.2 KiB
167 lines
3.2 KiB
#ifndef DRM_BACKEND_H
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#define DRM_BACKEND_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 <wayland-server.h>
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#include <xf86drmMode.h>
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#include <EGL/egl.h>
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#include <libudev.h>
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#include <gbm.h>
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#include <wlr/backend/session.h>
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#include <wlr/backend/drm.h>
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#include <wlr/util/list.h>
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#include <backend/egl.h>
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#include <backend/udev.h>
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#include "drm-properties.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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uint32_t fb_id;
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uint32_t possible_crtcs;
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int32_t x, y;
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uint32_t width, height;
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struct gbm_surface *gbm;
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EGLSurface egl;
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struct gbm_bo *front;
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struct gbm_bo *back;
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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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union {
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struct {
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struct wlr_drm_plane *overlay;
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struct wlr_drm_plane *primary;
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struct wlr_drm_plane *cursor;
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};
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struct wlr_drm_plane *planes[3];
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};
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union wlr_drm_crtc_props props;
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struct wl_list connectors;
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};
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struct wlr_drm_connector {
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struct wlr_output *base;
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uint32_t id;
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struct wlr_drm_crtc *crtc;
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union wlr_drm_connector_props props;
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struct wl_list link;
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};
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struct wlr_drm_renderer {
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int fd;
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struct gbm_device *gbm;
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struct wlr_egl egl;
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};
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bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd);
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void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer);
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struct wlr_backend_state {
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struct wlr_backend *base;
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int fd;
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dev_t dev;
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size_t num_crtcs;
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struct wlr_drm_crtc *crtcs;
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size_t num_planes;
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struct wlr_drm_plane *planes;
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union {
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struct {
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size_t num_overlay_planes;
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size_t num_primary_planes;
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size_t num_cursor_planes;
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};
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size_t num_type_planes[3];
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};
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union {
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struct {
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struct wlr_drm_plane *overlay_planes;
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struct wlr_drm_plane *primary_planes;
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struct wlr_drm_plane *cursor_planes;
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};
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struct wlr_drm_plane *type_planes[3];
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};
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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 session_signal;
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struct wl_listener drm_invalidated;
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uint32_t taken_crtcs;
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list_t *outputs;
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struct wlr_drm_renderer renderer;
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struct wlr_session *session;
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struct wlr_udev *udev;
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};
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enum wlr_drm_output_state {
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WLR_DRM_OUTPUT_DISCONNECTED,
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WLR_DRM_OUTPUT_NEEDS_MODESET,
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WLR_DRM_OUTPUT_CONNECTED,
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};
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struct wlr_output_mode_state {
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struct wlr_wl_output_mode *wlr_mode;
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drmModeModeInfo mode;
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};
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struct wlr_output_state {
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struct wlr_output *base;
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enum wlr_drm_output_state state;
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uint32_t connector;
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struct wlr_drm_crtc *crtc_;
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uint32_t possible_crtc;
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union wlr_drm_connector_props props;
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uint32_t width;
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uint32_t height;
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uint32_t crtc;
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drmModeCrtc *old_crtc;
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struct wlr_drm_renderer *renderer;
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EGLSurface *egl;
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struct gbm_surface *gbm;
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struct gbm_bo *bo[2];
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struct gbm_bo *cursor_bo[2];
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int current_cursor;
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uint32_t cursor_width, cursor_height;
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bool pageflip_pending;
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bool cleanup;
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};
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bool wlr_drm_init_resources(struct wlr_backend_state *drm);
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void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore);
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void wlr_drm_scan_connectors(struct wlr_backend_state *state);
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int wlr_drm_event(int fd, uint32_t mask, void *data);
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void wlr_drm_output_start_renderer(struct wlr_output_state *output);
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void wlr_drm_output_pause_renderer(struct wlr_output_state *output);
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#endif
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