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d6363c385f
The output layer API is implemented using subsurfaces. I chose to implement this API in the Wayland backend before doing so in the DRM backend, because it's way easier on Wayland. On DRM, one needs to figure out how buffers can be mapped to KMS planes (libliftoff can help) and perform atomic test-only commits (our current DRM backend isn't ready for this).
152 lines
4.2 KiB
C
152 lines
4.2 KiB
C
#ifndef BACKEND_WAYLAND_H
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#define BACKEND_WAYLAND_H
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#include <stdbool.h>
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#include <wayland-client.h>
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#include <wayland-server-core.h>
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#include <wlr/backend/wayland.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_output_layer.h>
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#include <wlr/types/wlr_pointer.h>
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#include <wlr/render/drm_format_set.h>
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struct wlr_wl_backend {
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struct wlr_backend backend;
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/* local state */
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bool started;
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struct wl_display *local_display;
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struct wl_list devices;
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struct wl_list outputs;
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int drm_fd;
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struct wl_list buffers; // wlr_wl_buffer.link
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size_t requested_outputs;
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size_t last_output_num;
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struct wl_listener local_display_destroy;
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char *activation_token;
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/* remote state */
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struct wl_display *remote_display;
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struct wl_event_source *remote_display_src;
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struct wl_registry *registry;
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struct wl_compositor *compositor;
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struct wl_subcompositor *subcompositor;
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struct xdg_wm_base *xdg_wm_base;
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struct zxdg_decoration_manager_v1 *zxdg_decoration_manager_v1;
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struct zwp_pointer_gestures_v1 *zwp_pointer_gestures_v1;
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struct wp_presentation *presentation;
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struct wl_shm *shm;
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struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf_v1;
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struct zwp_relative_pointer_manager_v1 *zwp_relative_pointer_manager_v1;
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struct wl_list seats; // wlr_wl_seat.link
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struct zwp_tablet_manager_v2 *tablet_manager;
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struct wlr_drm_format_set shm_formats;
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struct wlr_drm_format_set linux_dmabuf_v1_formats;
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struct wl_drm *legacy_drm;
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struct xdg_activation_v1 *activation_v1;
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char *drm_render_name;
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};
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struct wlr_wl_buffer {
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struct wlr_buffer *buffer;
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struct wl_buffer *wl_buffer;
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bool released;
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struct wl_list link; // wlr_wl_backend.buffers
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struct wl_listener buffer_destroy;
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};
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struct wlr_wl_presentation_feedback {
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struct wlr_wl_output *output;
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struct wl_list link;
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struct wp_presentation_feedback *feedback;
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uint32_t commit_seq;
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};
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struct wlr_wl_output {
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struct wlr_output wlr_output;
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struct wlr_wl_backend *backend;
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struct wl_list link;
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struct wl_surface *surface;
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struct wl_callback *frame_callback;
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struct xdg_surface *xdg_surface;
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struct xdg_toplevel *xdg_toplevel;
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struct zxdg_toplevel_decoration_v1 *zxdg_toplevel_decoration_v1;
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struct wl_list presentation_feedbacks;
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uint32_t enter_serial;
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struct {
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struct wlr_wl_pointer *pointer;
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struct wl_surface *surface;
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int32_t hotspot_x, hotspot_y;
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} cursor;
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};
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struct wlr_wl_output_layer {
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struct wlr_output_layer base;
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struct wl_surface *surface;
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struct wl_subsurface *subsurface;
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bool prev_accepted;
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};
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struct wlr_wl_input_device {
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struct wlr_input_device wlr_input_device;
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uint32_t fingers;
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struct wlr_wl_backend *backend;
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struct wlr_wl_seat *seat;
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void *resource;
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};
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struct wlr_wl_pointer {
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struct wlr_pointer wlr_pointer;
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struct wlr_wl_input_device *input_device;
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struct wl_pointer *wl_pointer;
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struct zwp_pointer_gesture_swipe_v1 *gesture_swipe;
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struct zwp_pointer_gesture_pinch_v1 *gesture_pinch;
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struct zwp_pointer_gesture_hold_v1 *gesture_hold;
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struct zwp_relative_pointer_v1 *relative_pointer;
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enum wlr_axis_source axis_source;
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int32_t axis_discrete;
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struct wlr_wl_output *output;
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struct wl_listener output_destroy;
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};
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struct wlr_wl_seat {
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struct wl_seat *wl_seat;
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struct wl_list link; // wlr_wl_backend.seats
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char *name;
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struct wl_touch *touch;
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struct wl_pointer *pointer;
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struct wl_keyboard *keyboard;
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struct wlr_wl_backend *backend;
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struct wlr_wl_pointer *active_pointer;
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};
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struct wlr_wl_backend *get_wl_backend_from_backend(struct wlr_backend *backend);
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void update_wl_output_cursor(struct wlr_wl_output *output);
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struct wlr_wl_pointer *pointer_get_wl(struct wlr_pointer *wlr_pointer);
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void create_wl_pointer(struct wlr_wl_seat *seat, struct wlr_wl_output *output);
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void create_wl_keyboard(struct wlr_wl_seat *seat);
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void create_wl_touch(struct wlr_wl_seat *seat);
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struct wlr_wl_input_device *create_wl_input_device(
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struct wlr_wl_seat *seat, enum wlr_input_device_type type);
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bool create_wl_seat(struct wl_seat *wl_seat, struct wlr_wl_backend *wl);
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void destroy_wl_seats(struct wlr_wl_backend *wl);
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void destroy_wl_buffer(struct wlr_wl_buffer *buffer);
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extern const struct wl_seat_listener seat_listener;
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struct wlr_wl_tablet_seat *wl_add_tablet_seat(
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struct zwp_tablet_manager_v2 *manager,
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struct wlr_wl_seat *seat);
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#endif
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