mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-14 17:25:59 +01:00
b877daded1
This commit handles better situations in which the number of connected outputs is greater than the number of available CRTCs. It'll enable as many outputs as possible, and transfer CRTCs to outputs that need one on unplug. This changes CRTC and plane reallocation to happen after scanning DRM connectors instead of on modeset. This cleanups CRTCs and planes on unplug to allow them to be re-used for other outputs. On modeset, if an output doesn't have a CRTC, the desired mode is saved and used later when the output gains a CRTC. Future work includes giving priority to enabled outputs over disabled ones for CRTC allocation. This requires the compositor to know about all outputs (even outputs without CRTCs) to properly modeset outputs enabled in the compositor config file and disable outputs disabled in the config file.
148 lines
2.9 KiB
C
148 lines
2.9 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 <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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};
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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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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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WLR_DRM_CONN_DISCONNECTED,
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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;
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enum wlr_drm_connector_state state;
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struct wlr_output_mode *desired_mode;
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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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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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void enable_drm_connector(struct wlr_output *output, bool enable);
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#endif
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