163 lines
3.5 KiB
C
163 lines
3.5 KiB
C
#ifndef BACKEND_DRM_DRM_H
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#define BACKEND_DRM_DRM_H
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#include <EGL/egl.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.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/egl.h>
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#include <xf86drmMode.h>
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#include "iface.h"
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#include "properties.h"
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#include "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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uint32_t possible_crtcs;
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struct wlr_drm_surface surf;
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struct wlr_drm_surface mgpu_surf;
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// Only used by cursor
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float matrix[9];
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struct gbm_bo *cursor_bo;
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bool cursor_enabled;
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int32_t cursor_hotspot_x, cursor_hotspot_y;
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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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drmModeAtomicReq *atomic;
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// Legacy only
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drmModeCrtc *legacy_crtc;
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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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uint16_t *gamma_table;
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size_t gamma_table_size;
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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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int fd;
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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 display_destroy;
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struct wl_listener session_signal;
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struct wl_listener drm_invalidated;
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struct wl_list outputs;
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struct wlr_drm_renderer renderer;
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struct wlr_session *session;
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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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// Connector disappeared, waiting for being destroyed on next page-flip
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WLR_DRM_CONN_DISAPPEARED,
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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;
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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_crtc;
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union wlr_drm_connector_props props;
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uint32_t width, height;
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int32_t cursor_x, cursor_y;
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drmModeCrtc *old_crtc;
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bool pageflip_pending;
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struct wl_event_source *retry_pageflip;
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struct wl_list link;
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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 restore_drm_outputs(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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bool enable_drm_connector(struct wlr_output *output, bool enable);
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bool set_drm_connector_gamma(struct wlr_output *output, size_t size,
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const uint16_t *r, const uint16_t *g, const uint16_t *b);
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#endif
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