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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
*
**************************************************************************/
/*
* Authors:
* Zack Rusin <zack@tungstengraphics.com>
*/
#ifndef CSO_CACHE_H
#define CSO_CACHE_H
#include "state_tracker/st_context.h"
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "main/hash.h"
struct cso_cache_item {
unsigned key;
unsigned state_size;
const void *state;
struct cso_cache_item *next;
};
struct cso_cache {
struct _mesa_HashTable *hash;
};
void cso_cache_destroy(struct cso_cache *sc);
struct cso_cache *cso_cache_create(void);
unsigned cso_construct_key(void *item, int item_size);
struct cso_cache_item *cso_insert_state(struct cso_cache *sc,
unsigned hash_key,
void *state, int state_size);
struct cso_cache_item *cso_find_state(struct cso_cache *sc,
unsigned hash_key,
void *state, int state_size);
struct cso_cache_item *cso_remove_state(struct cso_cache *sc,
unsigned hash_key,
void *state, int state_size);
struct pipe_blend_state *cso_cached_blend_state(
struct st_context *pipe,
const struct pipe_blend_state *state);
#endif
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