blob: d086df45e3539668fa82b5bdae6c220e8ff7b35c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
#ifndef BACKEND_DRM_BO_HANDLE_TABLE_H
#define BACKEND_DRM_BO_HANDLE_TABLE_H
/**
* Table performing reference counting for buffer object handles.
*
* The BO handles are allocated incrementally and are recycled by the kernel,
* so a simple array is used.
*
* This design is inspired from amdgpu's code in libdrm:
* https://gitlab.freedesktop.org/mesa/drm/-/blob/1a4c0ec9aea13211997f982715fe5ffcf19dd067/amdgpu/handle_table.c
*/
struct wlr_drm_bo_handle_table {
size_t *nrefs;
size_t len;
};
void drm_bo_handle_table_finish(struct wlr_drm_bo_handle_table *table);
bool drm_bo_handle_table_ref(struct wlr_drm_bo_handle_table *table,
uint32_t handle);
size_t drm_bo_handle_table_unref(struct wlr_drm_bo_handle_table *table,
uint32_t handle);
#endif
|
