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/* -*- 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 IMAGE_CACHE_H_
#define IMAGE_CACHE_H_
#include <inttypes.h>
#include "common/pixman_utils.h"
#include "common/canvas_base.h"
#include "common/ring.h"
/* FIXME: move back to display-channel.h (once structs are private) */
typedef struct Drawable Drawable;
typedef struct DisplayChannelClient DisplayChannelClient;
typedef struct ImageCacheItem {
RingItem lru_link;
uint64_t id;
#ifdef IMAGE_CACHE_AGE
uint32_t age;
#endif
struct ImageCacheItem *next;
pixman_image_t *image;
} ImageCacheItem;
#define IMAGE_CACHE_HASH_SIZE 1024
typedef struct ImageCache {
SpiceImageCache base;
ImageCacheItem *hash_table[IMAGE_CACHE_HASH_SIZE];
Ring lru;
#ifdef IMAGE_CACHE_AGE
uint32_t age;
#else
uint32_t num_items;
#endif
} ImageCache;
int image_cache_hit (ImageCache *cache, uint64_t id);
void image_cache_init (ImageCache *cache);
void image_cache_reset (ImageCache *cache);
void image_cache_aging (ImageCache *cache);
void image_cache_localize (ImageCache *cache, SpiceImage **image_ptr,
SpiceImage *image_store, Drawable *drawable);
void image_cache_localize_brush (ImageCache *cache, SpiceBrush *brush,
SpiceImage *image_store);
void image_cache_localize_mask (ImageCache *cache, SpiceQMask *mask,
SpiceImage *image_store);
#endif
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