You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
2.0 KiB
71 lines
2.0 KiB
/*
|
|
* 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_ALLOCATOR_H
|
|
#define WLR_ALLOCATOR_H
|
|
|
|
#include <wayland-server-core.h>
|
|
|
|
struct wlr_allocator;
|
|
struct wlr_backend;
|
|
struct wlr_drm_format;
|
|
struct wlr_renderer;
|
|
|
|
struct wlr_allocator_interface {
|
|
struct wlr_buffer *(*create_buffer)(struct wlr_allocator *alloc,
|
|
int width, int height, const struct wlr_drm_format *format);
|
|
void (*destroy)(struct wlr_allocator *alloc);
|
|
};
|
|
|
|
void wlr_allocator_init(struct wlr_allocator *alloc,
|
|
const struct wlr_allocator_interface *impl, uint32_t buffer_caps);
|
|
|
|
struct wlr_allocator {
|
|
const struct wlr_allocator_interface *impl;
|
|
|
|
// Capabilities of the buffers created with this allocator
|
|
uint32_t buffer_caps;
|
|
|
|
struct {
|
|
struct wl_signal destroy;
|
|
} events;
|
|
};
|
|
|
|
/**
|
|
* Creates the adequate wlr_allocator given a backend and a renderer
|
|
*/
|
|
struct wlr_allocator *wlr_allocator_autocreate(struct wlr_backend *backend,
|
|
struct wlr_renderer *renderer);
|
|
/**
|
|
* Destroy the allocator.
|
|
*/
|
|
void wlr_allocator_destroy(struct wlr_allocator *alloc);
|
|
|
|
/**
|
|
* Allocate a new buffer.
|
|
*
|
|
* When the caller is done with it, they must unreference it by calling
|
|
* wlr_buffer_drop.
|
|
*
|
|
* The `format` passed in indicates the format to use and the list of
|
|
* acceptable modifiers. The order in which modifiers are listed is not
|
|
* significant.
|
|
*
|
|
* When running with legacy drivers which don't support explicit modifiers, the
|
|
* allocator must recognize two modifiers: INVALID (for implicit tiling and/or
|
|
* compression) and LINEAR.
|
|
*
|
|
* The allocator must return a buffer using one of the modifiers listed. In
|
|
* particular, allocators must not return a buffer with an implicit modifier
|
|
* unless the user has allowed it by passing INVALID in the modifier list.
|
|
*/
|
|
struct wlr_buffer *wlr_allocator_create_buffer(struct wlr_allocator *alloc,
|
|
int width, int height, const struct wlr_drm_format *format);
|
|
|
|
#endif
|