wlroots/include/wlr/types/wlr_buffer.h

37 lines
1.1 KiB
C

#ifndef WLR_TYPES_WLR_BUFFER_H
#define WLR_TYPES_WLR_BUFFER_H
#include <pixman.h>
#include <wayland-server.h>
struct wlr_buffer {
struct wl_resource *resource;
struct wlr_texture *texture;
bool released;
size_t n_refs;
struct wl_listener resource_destroy;
};
struct wlr_renderer;
// Checks if a resource is a wl_buffer.
bool wlr_resource_is_buffer(struct wl_resource *resource);
// Returns the buffer size.
bool wlr_buffer_get_resource_size(struct wl_resource *resource,
struct wlr_renderer *renderer, int *width, int *height);
// Uploads the texture to the GPU and references it.
struct wlr_buffer *wlr_buffer_create(struct wlr_renderer *renderer,
struct wl_resource *resource);
// References and unreferences the buffer.
void wlr_buffer_ref(struct wlr_buffer *buffer);
void wlr_buffer_unref(struct wlr_buffer *buffer);
// Tries to update the texture in the provided buffer. This destroys `buffer`
// and returns a new buffer.
// Fails if `buffer->n_refs` > 1 or if the texture isn't mutable.
struct wlr_buffer *wlr_buffer_apply_damage(struct wlr_buffer *buffer,
struct wl_resource *resource, pixman_region32_t *damage);
#endif