mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
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surface: move decl to wlr_{sub,}compositor.h
This commit is contained in:
Kirill Primak
Simon Ser
parent
36b5d5888c
commit
e94e16ba5d
@ -9,10 +9,161 @@
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#ifndef WLR_TYPES_WLR_COMPOSITOR_H
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#define WLR_TYPES_WLR_COMPOSITOR_H
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#include <pixman.h>
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#include <stdbool.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 <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/util/addon.h>
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#include <wlr/util/box.h>
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struct wlr_surface;
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enum wlr_surface_state_field {
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WLR_SURFACE_STATE_BUFFER = 1 << 0,
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WLR_SURFACE_STATE_SURFACE_DAMAGE = 1 << 1,
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WLR_SURFACE_STATE_BUFFER_DAMAGE = 1 << 2,
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WLR_SURFACE_STATE_OPAQUE_REGION = 1 << 3,
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WLR_SURFACE_STATE_INPUT_REGION = 1 << 4,
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WLR_SURFACE_STATE_TRANSFORM = 1 << 5,
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WLR_SURFACE_STATE_SCALE = 1 << 6,
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WLR_SURFACE_STATE_FRAME_CALLBACK_LIST = 1 << 7,
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WLR_SURFACE_STATE_VIEWPORT = 1 << 8,
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};
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struct wlr_surface_state {
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uint32_t committed; // enum wlr_surface_state_field
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// Sequence number of the surface state. Incremented on each commit, may
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// overflow.
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uint32_t seq;
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struct wlr_buffer *buffer;
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int32_t dx, dy; // relative to previous position
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pixman_region32_t surface_damage, buffer_damage; // clipped to bounds
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pixman_region32_t opaque, input;
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enum wl_output_transform transform;
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int32_t scale;
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struct wl_list frame_callback_list; // wl_resource
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int width, height; // in surface-local coordinates
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int buffer_width, buffer_height;
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struct wl_list subsurfaces_below;
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struct wl_list subsurfaces_above;
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/**
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* The viewport is applied after the surface transform and scale.
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*
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* If has_src is true, the surface content is cropped to the provided
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* rectangle. If has_dst is true, the surface content is scaled to the
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* provided rectangle.
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*/
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struct {
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bool has_src, has_dst;
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// In coordinates after scale/transform are applied, but before the
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// destination rectangle is applied
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struct wlr_fbox src;
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int dst_width, dst_height; // in surface-local coordinates
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} viewport;
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// Number of locks that prevent this surface state from being committed.
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size_t cached_state_locks;
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struct wl_list cached_state_link; // wlr_surface.cached
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};
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struct wlr_surface_role {
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const char *name;
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void (*commit)(struct wlr_surface *surface);
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void (*precommit)(struct wlr_surface *surface);
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};
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struct wlr_surface_output {
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struct wlr_surface *surface;
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struct wlr_output *output;
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struct wl_list link; // wlr_surface::current_outputs
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struct wl_listener bind;
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struct wl_listener destroy;
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};
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struct wlr_surface {
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struct wl_resource *resource;
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struct wlr_renderer *renderer;
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/**
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* The surface's buffer, if any. A surface has an attached buffer when it
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* commits with a non-null buffer in its pending state. A surface will not
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* have a buffer if it has never committed one, has committed a null buffer,
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* or something went wrong with uploading the buffer.
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*/
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struct wlr_client_buffer *buffer;
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/**
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* The buffer position, in surface-local units.
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*/
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int sx, sy;
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/**
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* The last commit's buffer damage, in buffer-local coordinates. This
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* contains both the damage accumulated by the client via
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* `wlr_surface_state.surface_damage` and `wlr_surface_state.buffer_damage`.
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* If the buffer has been resized, the whole buffer is damaged.
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*
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* This region needs to be scaled and transformed into output coordinates,
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* just like the buffer's texture. In addition, if the buffer has shrunk the
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* old size needs to be damaged and if the buffer has moved the old and new
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* positions need to be damaged.
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*/
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pixman_region32_t buffer_damage;
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/**
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* The last commit's damage caused by surface and its subsurfaces'
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* movement, in surface-local coordinates.
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*/
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pixman_region32_t external_damage;
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/**
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* The current opaque region, in surface-local coordinates. It is clipped to
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* the surface bounds. If the surface's buffer is using a fully opaque
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* format, this is set to the whole surface.
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*/
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pixman_region32_t opaque_region;
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/**
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* The current input region, in surface-local coordinates. It is clipped to
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* the surface bounds.
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*/
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pixman_region32_t input_region;
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/**
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* `current` contains the current, committed surface state. `pending`
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* accumulates state changes from the client between commits and shouldn't
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* be accessed by the compositor directly.
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*/
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struct wlr_surface_state current, pending;
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struct wl_list cached; // wlr_surface_state.cached_link
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const struct wlr_surface_role *role; // the lifetime-bound role or NULL
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void *role_data; // role-specific data
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struct {
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struct wl_signal client_commit;
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struct wl_signal commit;
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struct wl_signal new_subsurface;
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struct wl_signal destroy;
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} events;
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struct wl_list current_outputs; // wlr_surface_output::link
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struct wlr_addon_set addons;
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void *data;
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// private state
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struct wl_listener renderer_destroy;
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struct {
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int32_t scale;
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enum wl_output_transform transform;
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int width, height;
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int buffer_width, buffer_height;
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} previous;
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};
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struct wlr_renderer;
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struct wlr_compositor {
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struct wl_global *global;
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@ -26,6 +177,124 @@ struct wlr_compositor {
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} events;
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};
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typedef void (*wlr_surface_iterator_func_t)(struct wlr_surface *surface,
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int sx, int sy, void *data);
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/**
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* Set the lifetime role for this surface. Returns 0 on success or -1 if the
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* role cannot be set.
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*/
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bool wlr_surface_set_role(struct wlr_surface *surface,
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const struct wlr_surface_role *role, void *role_data,
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struct wl_resource *error_resource, uint32_t error_code);
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/**
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* Whether or not this surface currently has an attached buffer. A surface has
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* an attached buffer when it commits with a non-null buffer in its pending
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* state. A surface will not have a buffer if it has never committed one, has
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* committed a null buffer, or something went wrong with uploading the buffer.
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*/
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bool wlr_surface_has_buffer(struct wlr_surface *surface);
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/**
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* Get the texture of the buffer currently attached to this surface. Returns
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* NULL if no buffer is currently attached or if something went wrong with
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* uploading the buffer.
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*/
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struct wlr_texture *wlr_surface_get_texture(struct wlr_surface *surface);
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/**
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* Get the root of the subsurface tree for this surface. Can return NULL if
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* a surface in the tree has been destroyed.
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*/
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struct wlr_surface *wlr_surface_get_root_surface(struct wlr_surface *surface);
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/**
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* Check if the surface accepts input events at the given surface-local
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* coordinates. Does not check the surface's subsurfaces.
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*/
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bool wlr_surface_point_accepts_input(struct wlr_surface *surface,
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double sx, double sy);
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/**
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* Find a surface in this surface's tree that accepts input events and has all
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* parents mapped (except this surface, which can be unmapped) at the given
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* surface-local coordinates. Returns the surface and coordinates in the leaf
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* surface coordinate system or NULL if no surface is found at that location.
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*/
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struct wlr_surface *wlr_surface_surface_at(struct wlr_surface *surface,
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double sx, double sy, double *sub_x, double *sub_y);
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void wlr_surface_send_enter(struct wlr_surface *surface,
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struct wlr_output *output);
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void wlr_surface_send_leave(struct wlr_surface *surface,
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struct wlr_output *output);
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void wlr_surface_send_frame_done(struct wlr_surface *surface,
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const struct timespec *when);
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/**
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* Get the bounding box that contains the surface and all subsurfaces in
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* surface coordinates.
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* X and y may be negative, if there are subsurfaces with negative position.
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*/
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void wlr_surface_get_extends(struct wlr_surface *surface, struct wlr_box *box);
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/**
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* Get the wlr_surface corresponding to a wl_surface resource. This asserts
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* that the resource is a valid wl_surface resource created by wlroots and
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* will never return NULL.
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*/
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struct wlr_surface *wlr_surface_from_resource(struct wl_resource *resource);
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/**
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* Call `iterator` on each mapped surface in the surface tree (whether or not
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* this surface is mapped), with the surface's position relative to the root
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* surface. The function is called from root to leaves (in rendering order).
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*/
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void wlr_surface_for_each_surface(struct wlr_surface *surface,
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wlr_surface_iterator_func_t iterator, void *user_data);
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/**
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* Get the effective surface damage in surface-local coordinate space. Besides
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* buffer damage, this includes damage induced by resizing and moving the
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* surface and its subsurfaces. The resulting damage is not expected to be
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* bounded by the surface itself.
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*/
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void wlr_surface_get_effective_damage(struct wlr_surface *surface,
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pixman_region32_t *damage);
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/**
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* Get the source rectangle describing the region of the buffer that needs to
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* be sampled to render this surface's current state. The box is in
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* buffer-local coordinates.
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*
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* If the viewport's source rectangle is unset, the position is zero and the
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* size is the buffer's.
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*/
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void wlr_surface_get_buffer_source_box(struct wlr_surface *surface,
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struct wlr_fbox *box);
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/**
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* Acquire a lock for the pending surface state.
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*
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* The state won't be committed before the caller releases the lock. Instead,
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* the state becomes cached. The caller needs to use wlr_surface_unlock_cached
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* to release the lock.
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*
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* Returns a surface commit sequence number for the cached state.
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*/
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uint32_t wlr_surface_lock_pending(struct wlr_surface *surface);
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/**
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* Release a lock for a cached state.
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*
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* Callers should not assume that the cached state will immediately be
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* committed. Another caller may still have an active lock.
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*/
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void wlr_surface_unlock_cached(struct wlr_surface *surface, uint32_t seq);
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struct wlr_compositor *wlr_compositor_create(struct wl_display *display,
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struct wlr_renderer *renderer);
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@ -9,10 +9,50 @@
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#ifndef WLR_TYPES_WLR_SUBCOMPOSITOR_H
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#define WLR_TYPES_WLR_SUBCOMPOSITOR_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <wayland-server-core.h>
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struct wlr_surface;
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/**
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* The sub-surface state describing the sub-surface's relationship with its
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* parent. Contrary to other states, this one is not applied on surface commit.
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* Instead, it's applied on parent surface commit.
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*/
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struct wlr_subsurface_parent_state {
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int32_t x, y;
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struct wl_list link;
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};
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struct wlr_subsurface {
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struct wl_resource *resource;
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struct wlr_surface *surface;
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struct wlr_surface *parent;
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struct wlr_subsurface_parent_state current, pending;
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uint32_t cached_seq;
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bool has_cache;
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bool synchronized;
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bool reordered;
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bool mapped;
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bool added;
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struct wl_listener surface_destroy;
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struct wl_listener surface_client_commit;
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struct wl_listener parent_destroy;
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struct {
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struct wl_signal destroy;
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struct wl_signal map;
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struct wl_signal unmap;
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} events;
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void *data;
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};
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struct wlr_subcompositor {
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struct wl_global *global;
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@ -1,322 +1,2 @@
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/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_TYPES_WLR_SURFACE_H
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#define WLR_TYPES_WLR_SURFACE_H
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#include <pixman.h>
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#include <stdbool.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 <wlr/types/wlr_output.h>
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#include <wlr/util/addon.h>
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#include <wlr/util/box.h>
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enum wlr_surface_state_field {
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WLR_SURFACE_STATE_BUFFER = 1 << 0,
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WLR_SURFACE_STATE_SURFACE_DAMAGE = 1 << 1,
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WLR_SURFACE_STATE_BUFFER_DAMAGE = 1 << 2,
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WLR_SURFACE_STATE_OPAQUE_REGION = 1 << 3,
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WLR_SURFACE_STATE_INPUT_REGION = 1 << 4,
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WLR_SURFACE_STATE_TRANSFORM = 1 << 5,
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WLR_SURFACE_STATE_SCALE = 1 << 6,
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WLR_SURFACE_STATE_FRAME_CALLBACK_LIST = 1 << 7,
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WLR_SURFACE_STATE_VIEWPORT = 1 << 8,
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};
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struct wlr_surface_state {
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uint32_t committed; // enum wlr_surface_state_field
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// Sequence number of the surface state. Incremented on each commit, may
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// overflow.
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uint32_t seq;
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struct wlr_buffer *buffer;
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int32_t dx, dy; // relative to previous position
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pixman_region32_t surface_damage, buffer_damage; // clipped to bounds
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pixman_region32_t opaque, input;
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enum wl_output_transform transform;
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int32_t scale;
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struct wl_list frame_callback_list; // wl_resource
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int width, height; // in surface-local coordinates
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int buffer_width, buffer_height;
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struct wl_list subsurfaces_below;
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struct wl_list subsurfaces_above;
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/**
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* The viewport is applied after the surface transform and scale.
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*
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* If has_src is true, the surface content is cropped to the provided
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* rectangle. If has_dst is true, the surface content is scaled to the
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* provided rectangle.
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*/
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struct {
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bool has_src, has_dst;
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// In coordinates after scale/transform are applied, but before the
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// destination rectangle is applied
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struct wlr_fbox src;
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int dst_width, dst_height; // in surface-local coordinates
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} viewport;
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// Number of locks that prevent this surface state from being committed.
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size_t cached_state_locks;
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struct wl_list cached_state_link; // wlr_surface.cached
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};
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struct wlr_surface_role {
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const char *name;
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void (*commit)(struct wlr_surface *surface);
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void (*precommit)(struct wlr_surface *surface);
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};
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struct wlr_surface_output {
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struct wlr_surface *surface;
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struct wlr_output *output;
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struct wl_list link; // wlr_surface::current_outputs
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struct wl_listener bind;
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struct wl_listener destroy;
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};
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struct wlr_surface {
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struct wl_resource *resource;
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struct wlr_renderer *renderer;
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/**
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* The surface's buffer, if any. A surface has an attached buffer when it
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* commits with a non-null buffer in its pending state. A surface will not
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* have a buffer if it has never committed one, has committed a null buffer,
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* or something went wrong with uploading the buffer.
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*/
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struct wlr_client_buffer *buffer;
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/**
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* The buffer position, in surface-local units.
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*/
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int sx, sy;
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/**
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* The last commit's buffer damage, in buffer-local coordinates. This
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* contains both the damage accumulated by the client via
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* `wlr_surface_state.surface_damage` and `wlr_surface_state.buffer_damage`.
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* If the buffer has been resized, the whole buffer is damaged.
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*
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* This region needs to be scaled and transformed into output coordinates,
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* just like the buffer's texture. In addition, if the buffer has shrunk the
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* old size needs to be damaged and if the buffer has moved the old and new
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* positions need to be damaged.
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*/
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pixman_region32_t buffer_damage;
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/**
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* The last commit's damage caused by surface and its subsurfaces'
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* movement, in surface-local coordinates.
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*/
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pixman_region32_t external_damage;
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/**
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* The current opaque region, in surface-local coordinates. It is clipped to
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* the surface bounds. If the surface's buffer is using a fully opaque
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* format, this is set to the whole surface.
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*/
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pixman_region32_t opaque_region;
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/**
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* The current input region, in surface-local coordinates. It is clipped to
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* the surface bounds.
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*/
|
||||
pixman_region32_t input_region;
|
||||
/**
|
||||
* `current` contains the current, committed surface state. `pending`
|
||||
* accumulates state changes from the client between commits and shouldn't
|
||||
* be accessed by the compositor directly.
|
||||
*/
|
||||
struct wlr_surface_state current, pending;
|
||||
|
||||
struct wl_list cached; // wlr_surface_state.cached_link
|
||||
|
||||
const struct wlr_surface_role *role; // the lifetime-bound role or NULL
|
||||
void *role_data; // role-specific data
|
||||
|
||||
struct {
|
||||
struct wl_signal client_commit;
|
||||
struct wl_signal commit;
|
||||
struct wl_signal new_subsurface;
|
||||
struct wl_signal destroy;
|
||||
} events;
|
||||
|
||||
struct wl_list current_outputs; // wlr_surface_output::link
|
||||
|
||||
struct wlr_addon_set addons;
|
||||
void *data;
|
||||
|
||||
// private state
|
||||
|
||||
struct wl_listener renderer_destroy;
|
||||
|
||||
struct {
|
||||
int32_t scale;
|
||||
enum wl_output_transform transform;
|
||||
int width, height;
|
||||
int buffer_width, buffer_height;
|
||||
} previous;
|
||||
};
|
||||
|
||||
/**
|
||||
* The sub-surface state describing the sub-surface's relationship with its
|
||||
* parent. Contrary to other states, this one is not applied on surface commit.
|
||||
* Instead, it's applied on parent surface commit.
|
||||
*/
|
||||
struct wlr_subsurface_parent_state {
|
||||
int32_t x, y;
|
||||
struct wl_list link;
|
||||
};
|
||||
|
||||
struct wlr_subsurface {
|
||||
struct wl_resource *resource;
|
||||
struct wlr_surface *surface;
|
||||
struct wlr_surface *parent;
|
||||
|
||||
struct wlr_subsurface_parent_state current, pending;
|
||||
|
||||
uint32_t cached_seq;
|
||||
bool has_cache;
|
||||
|
||||
bool synchronized;
|
||||
bool reordered;
|
||||
bool mapped;
|
||||
bool added;
|
||||
|
||||
struct wl_listener surface_destroy;
|
||||
struct wl_listener surface_client_commit;
|
||||
struct wl_listener parent_destroy;
|
||||
|
||||
struct {
|
||||
struct wl_signal destroy;
|
||||
struct wl_signal map;
|
||||
struct wl_signal unmap;
|
||||
} events;
|
||||
|
||||
void *data;
|
||||
};
|
||||
|
||||
typedef void (*wlr_surface_iterator_func_t)(struct wlr_surface *surface,
|
||||
int sx, int sy, void *data);
|
||||
|
||||
/**
|
||||
* Set the lifetime role for this surface. Returns 0 on success or -1 if the
|
||||
* role cannot be set.
|
||||
*/
|
||||
bool wlr_surface_set_role(struct wlr_surface *surface,
|
||||
const struct wlr_surface_role *role, void *role_data,
|
||||
struct wl_resource *error_resource, uint32_t error_code);
|
||||
|
||||
/**
|
||||
* Whether or not this surface currently has an attached buffer. A surface has
|
||||
* an attached buffer when it commits with a non-null buffer in its pending
|
||||
* state. A surface will not have a buffer if it has never committed one, has
|
||||
* committed a null buffer, or something went wrong with uploading the buffer.
|
||||
*/
|
||||
bool wlr_surface_has_buffer(struct wlr_surface *surface);
|
||||
|
||||
/**
|
||||
* Get the texture of the buffer currently attached to this surface. Returns
|
||||
* NULL if no buffer is currently attached or if something went wrong with
|
||||
* uploading the buffer.
|
||||
*/
|
||||
struct wlr_texture *wlr_surface_get_texture(struct wlr_surface *surface);
|
||||
|
||||
/**
|
||||
* Get the root of the subsurface tree for this surface. Can return NULL if
|
||||
* a surface in the tree has been destroyed.
|
||||
*/
|
||||
struct wlr_surface *wlr_surface_get_root_surface(struct wlr_surface *surface);
|
||||
|
||||
/**
|
||||
* Check if the surface accepts input events at the given surface-local
|
||||
* coordinates. Does not check the surface's subsurfaces.
|
||||
*/
|
||||
bool wlr_surface_point_accepts_input(struct wlr_surface *surface,
|
||||
double sx, double sy);
|
||||
|
||||
/**
|
||||
* Find a surface in this surface's tree that accepts input events and has all
|
||||
* parents mapped (except this surface, which can be unmapped) at the given
|
||||
* surface-local coordinates. Returns the surface and coordinates in the leaf
|
||||
* surface coordinate system or NULL if no surface is found at that location.
|
||||
*/
|
||||
struct wlr_surface *wlr_surface_surface_at(struct wlr_surface *surface,
|
||||
double sx, double sy, double *sub_x, double *sub_y);
|
||||
|
||||
void wlr_surface_send_enter(struct wlr_surface *surface,
|
||||
struct wlr_output *output);
|
||||
|
||||
void wlr_surface_send_leave(struct wlr_surface *surface,
|
||||
struct wlr_output *output);
|
||||
|
||||
void wlr_surface_send_frame_done(struct wlr_surface *surface,
|
||||
const struct timespec *when);
|
||||
|
||||
/**
|
||||
* Get the bounding box that contains the surface and all subsurfaces in
|
||||
* surface coordinates.
|
||||
* X and y may be negative, if there are subsurfaces with negative position.
|
||||
*/
|
||||
void wlr_surface_get_extends(struct wlr_surface *surface, struct wlr_box *box);
|
||||
|
||||
/**
|
||||
* Get the wlr_surface corresponding to a wl_surface resource. This asserts
|
||||
* that the resource is a valid wl_surface resource created by wlroots and
|
||||
* will never return NULL.
|
||||
*/
|
||||
struct wlr_surface *wlr_surface_from_resource(struct wl_resource *resource);
|
||||
|
||||
/**
|
||||
* Call `iterator` on each mapped surface in the surface tree (whether or not
|
||||
* this surface is mapped), with the surface's position relative to the root
|
||||
* surface. The function is called from root to leaves (in rendering order).
|
||||
*/
|
||||
void wlr_surface_for_each_surface(struct wlr_surface *surface,
|
||||
wlr_surface_iterator_func_t iterator, void *user_data);
|
||||
|
||||
/**
|
||||
* Get the effective surface damage in surface-local coordinate space. Besides
|
||||
* buffer damage, this includes damage induced by resizing and moving the
|
||||
* surface and its subsurfaces. The resulting damage is not expected to be
|
||||
* bounded by the surface itself.
|
||||
*/
|
||||
void wlr_surface_get_effective_damage(struct wlr_surface *surface,
|
||||
pixman_region32_t *damage);
|
||||
|
||||
/**
|
||||
* Get the source rectangle describing the region of the buffer that needs to
|
||||
* be sampled to render this surface's current state. The box is in
|
||||
* buffer-local coordinates.
|
||||
*
|
||||
* If the viewport's source rectangle is unset, the position is zero and the
|
||||
* size is the buffer's.
|
||||
*/
|
||||
void wlr_surface_get_buffer_source_box(struct wlr_surface *surface,
|
||||
struct wlr_fbox *box);
|
||||
|
||||
/**
|
||||
* Acquire a lock for the pending surface state.
|
||||
*
|
||||
* The state won't be committed before the caller releases the lock. Instead,
|
||||
* the state becomes cached. The caller needs to use wlr_surface_unlock_cached
|
||||
* to release the lock.
|
||||
*
|
||||
* Returns a surface commit sequence number for the cached state.
|
||||
*/
|
||||
uint32_t wlr_surface_lock_pending(struct wlr_surface *surface);
|
||||
|
||||
/**
|
||||
* Release a lock for a cached state.
|
||||
*
|
||||
* Callers should not assume that the cached state will immediately be
|
||||
* committed. Another caller may still have an active lock.
|
||||
*/
|
||||
void wlr_surface_unlock_cached(struct wlr_surface *surface, uint32_t seq);
|
||||
|
||||
#endif
|
||||
#include <wlr/types/wlr_compositor.h>
|
||||
#include <wlr/types/wlr_subcompositor.h>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user