mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-12-24 02:49:48 +01:00
25 lines
759 B
C
25 lines
759 B
C
|
#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
|