139 lines
4.3 KiB
C
139 lines
4.3 KiB
C
/*
|
|
* Copyright © 2014 Broadcom
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef V3D_BUFMGR_H
|
|
#define V3D_BUFMGR_H
|
|
|
|
#include <stdint.h>
|
|
#include "util/u_hash_table.h"
|
|
#include "util/u_inlines.h"
|
|
#include "util/list.h"
|
|
#include "v3d_screen.h"
|
|
|
|
struct v3d_context;
|
|
|
|
struct v3d_bo {
|
|
struct pipe_reference reference;
|
|
struct v3d_screen *screen;
|
|
void *map;
|
|
const char *name;
|
|
uint32_t handle;
|
|
uint32_t size;
|
|
|
|
/* Address of the BO in our page tables. */
|
|
uint32_t offset;
|
|
|
|
/** Entry in the linked list of buffers freed, by age. */
|
|
struct list_head time_list;
|
|
/** Entry in the per-page-count linked list of buffers freed (by age). */
|
|
struct list_head size_list;
|
|
/** Approximate second when the bo was freed. */
|
|
time_t free_time;
|
|
/**
|
|
* Whether only our process has a reference to the BO (meaning that
|
|
* it's safe to reuse it in the BO cache).
|
|
*/
|
|
bool private;
|
|
};
|
|
|
|
struct v3d_bo *v3d_bo_alloc(struct v3d_screen *screen, uint32_t size,
|
|
const char *name);
|
|
void v3d_bo_last_unreference(struct v3d_bo *bo);
|
|
void v3d_bo_last_unreference_locked_timed(struct v3d_bo *bo, time_t time);
|
|
struct v3d_bo *v3d_bo_open_name(struct v3d_screen *screen, uint32_t name);
|
|
struct v3d_bo *v3d_bo_open_dmabuf(struct v3d_screen *screen, int fd);
|
|
bool v3d_bo_flink(struct v3d_bo *bo, uint32_t *name);
|
|
int v3d_bo_get_dmabuf(struct v3d_bo *bo);
|
|
|
|
static inline void
|
|
v3d_bo_set_reference(struct v3d_bo **old_bo, struct v3d_bo *new_bo)
|
|
{
|
|
if (pipe_reference(&(*old_bo)->reference, &new_bo->reference))
|
|
v3d_bo_last_unreference(*old_bo);
|
|
*old_bo = new_bo;
|
|
}
|
|
|
|
static inline struct v3d_bo *
|
|
v3d_bo_reference(struct v3d_bo *bo)
|
|
{
|
|
pipe_reference(NULL, &bo->reference);
|
|
return bo;
|
|
}
|
|
|
|
static inline void
|
|
v3d_bo_unreference(struct v3d_bo **bo)
|
|
{
|
|
struct v3d_screen *screen;
|
|
if (!*bo)
|
|
return;
|
|
|
|
if ((*bo)->private) {
|
|
/* Avoid the mutex for private BOs */
|
|
if (pipe_reference(&(*bo)->reference, NULL))
|
|
v3d_bo_last_unreference(*bo);
|
|
} else {
|
|
screen = (*bo)->screen;
|
|
mtx_lock(&screen->bo_handles_mutex);
|
|
|
|
if (pipe_reference(&(*bo)->reference, NULL)) {
|
|
_mesa_hash_table_remove_key(screen->bo_handles,
|
|
(void *)(uintptr_t)(*bo)->handle);
|
|
v3d_bo_last_unreference(*bo);
|
|
}
|
|
|
|
mtx_unlock(&screen->bo_handles_mutex);
|
|
}
|
|
|
|
*bo = NULL;
|
|
}
|
|
|
|
static inline void
|
|
v3d_bo_unreference_locked_timed(struct v3d_bo **bo, time_t time)
|
|
{
|
|
if (!*bo)
|
|
return;
|
|
|
|
if (pipe_reference(&(*bo)->reference, NULL))
|
|
v3d_bo_last_unreference_locked_timed(*bo, time);
|
|
*bo = NULL;
|
|
}
|
|
|
|
void *
|
|
v3d_bo_map(struct v3d_bo *bo);
|
|
|
|
void *
|
|
v3d_bo_map_unsynchronized(struct v3d_bo *bo);
|
|
|
|
bool
|
|
v3d_bo_wait(struct v3d_bo *bo, uint64_t timeout_ns, const char *reason);
|
|
|
|
bool
|
|
v3d_wait_seqno(struct v3d_screen *screen, uint64_t seqno, uint64_t timeout_ns,
|
|
const char *reason);
|
|
|
|
void
|
|
v3d_bufmgr_destroy(struct pipe_screen *pscreen);
|
|
|
|
#endif /* V3D_BUFMGR_H */
|
|
|