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types/wlr_buffer: introduce wlr_buffer_resource_interface

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Adds `wlr_buffer_resource_interface` and `wlr_buffer_register_resource_interface`,
which allows a user to register a way to create a wlr_buffer from a specific
wl_resource.
This commit is contained in:
Simon Zeni 2021-07-12 11:50:34 -04:00 • committed by Simon Ser
parent f09c88c1b7
commit 646a25667e
2 changed files with 36 additions and 0 deletions
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14
include/wlr/types/wlr_buffer.h
View file

@ -69,6 +69,12 @@ struct wlr_buffer {
} events;
};
struct wlr_buffer_resource_interface {
const char *name;
bool (*is_instance)(struct wl_resource *resource);
struct wlr_buffer *(*from_resource)(struct wl_resource *resource);
};
/**
* Initialize a buffer. This function should be called by producers. The
* initialized buffer is referenced: once the producer is done with the buffer
@ -112,6 +118,14 @@ bool wlr_buffer_get_dmabuf(struct wlr_buffer *buffer,
*/
bool wlr_buffer_get_shm(struct wlr_buffer *buffer,
struct wlr_shm_attributes *attribs);
/**
* Allows the registration of a wl_resource implementation.
*
* The matching function will be called for the wl_resource when creating a
* wlr_buffer from a wl_resource.
*/
void wlr_buffer_register_resource_interface(
const struct wlr_buffer_resource_interface *iface);
/**
* Transforms a wl_resource into a wlr_buffer and locks it. Once the caller is
* done with the buffer, they must call wlr_buffer_unlock.