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/*
* This an unstable interface of wlroots. No guarantees are made regarding the
* future consistency of this API.
*/
#ifndef WLR_USE_UNSTABLE
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
#endif
#ifndef WLR_INTERFACES_WLR_BUFFER_H
#define WLR_INTERFACES_WLR_BUFFER_H
#include <wlr/types/wlr_buffer.h>
struct wlr_buffer_impl {
void (*destroy)(struct wlr_buffer *buffer);
bool (*get_dmabuf)(struct wlr_buffer *buffer,
struct wlr_dmabuf_attributes *attribs);
bool (*get_shm)(struct wlr_buffer *buffer,
struct wlr_shm_attributes *attribs);
bool (*begin_data_ptr_access)(struct wlr_buffer *buffer, uint32_t flags,
void **data, uint32_t *format, size_t *stride);
void (*end_data_ptr_access)(struct wlr_buffer *buffer);
};
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
* they should call wlr_buffer_drop().
*/
void wlr_buffer_init(struct wlr_buffer *buffer,
const struct wlr_buffer_impl *impl, int width, int height);
/**
* Allows the registration of a struct wl_resource implementation.
*
* The matching function will be called for the struct wl_resource when creating
* a struct wlr_buffer from a struct wl_resource.
*/
void wlr_buffer_register_resource_interface(
const struct wlr_buffer_resource_interface *iface);
#endif
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