mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
synced 2025-12-26 14:41:25 +00:00
525cd67be7
Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com> Signed-off-by: Frediano Ziglio <fziglio@redhat.com> Acked-by: Jonathon Jongsma <jjongsma@redhat.com>
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
/*
|
|
Copyright (C) 2009-2015 Red Hat, Inc.
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#ifndef _PIXMAP_CACHE_H
|
|
# define _PIXMAP_CACHE_H
|
|
|
|
#include "red-channel.h"
|
|
|
|
#define MAX_CACHE_CLIENTS 4
|
|
|
|
#define BITS_CACHE_HASH_SHIFT 10
|
|
#define BITS_CACHE_HASH_SIZE (1 << BITS_CACHE_HASH_SHIFT)
|
|
#define BITS_CACHE_HASH_MASK (BITS_CACHE_HASH_SIZE - 1)
|
|
#define BITS_CACHE_HASH_KEY(id) ((id) & BITS_CACHE_HASH_MASK)
|
|
|
|
typedef struct PixmapCache PixmapCache;
|
|
typedef struct NewCacheItem NewCacheItem;
|
|
|
|
struct NewCacheItem {
|
|
RingItem lru_link;
|
|
NewCacheItem *next;
|
|
uint64_t id;
|
|
uint64_t sync[MAX_CACHE_CLIENTS];
|
|
size_t size;
|
|
int lossy;
|
|
};
|
|
|
|
struct PixmapCache {
|
|
RingItem base;
|
|
pthread_mutex_t lock;
|
|
uint8_t id;
|
|
uint32_t refs;
|
|
NewCacheItem *hash_table[BITS_CACHE_HASH_SIZE];
|
|
Ring lru;
|
|
int64_t available;
|
|
int64_t size;
|
|
int32_t items;
|
|
|
|
int freezed;
|
|
RingItem *freezed_head;
|
|
RingItem *freezed_tail;
|
|
|
|
uint32_t generation;
|
|
struct {
|
|
uint8_t client;
|
|
uint64_t message;
|
|
} generation_initiator;
|
|
uint64_t sync[MAX_CACHE_CLIENTS]; // here CLIENTS refer to different channel
|
|
// clients of the same client
|
|
RedClient *client;
|
|
};
|
|
|
|
PixmapCache *pixmap_cache_get(RedClient *client, uint8_t id, int64_t size);
|
|
void pixmap_cache_unref(PixmapCache *cache);
|
|
void pixmap_cache_clear(PixmapCache *cache);
|
|
int pixmap_cache_unlocked_set_lossy(PixmapCache *cache, uint64_t id, int lossy);
|
|
int pixmap_cache_freeze(PixmapCache *cache);
|
|
|
|
#endif /* _PIXMAP_CACHE_H */
|