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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 "pipe/p_context.h"
#include "pipe/p_state.h"
#include "cso_hash.h" /* for cso_hash_iter, as MSVC requires structures returned by value to be fully defined */
#ifdef __cplusplus
extern "C" {
#endif
struct cso_cache {
struct cso_hash *blend_hash;
struct cso_hash *depth_stencil_hash;
struct cso_hash *fs_hash;
struct cso_hash *vs_hash;
struct cso_hash *rasterizer_hash;
struct cso_hash *sampler_hash;
};
struct cso_blend {
struct pipe_blend_state state;
void *data;
};
struct cso_depth_stencil_alpha {
struct pipe_depth_stencil_alpha_state state;
void *data;
};
struct cso_rasterizer {
struct pipe_rasterizer_state state;
void *data;
};
struct cso_fragment_shader {
struct pipe_shader_state state;
void *data;
};
struct cso_vertex_shader {
struct pipe_shader_state state;
void *data;
};
struct cso_sampler {
struct pipe_sampler_state state;
void *data;
};
enum cso_cache_type {
CSO_BLEND,
CSO_SAMPLER,
CSO_DEPTH_STENCIL_ALPHA,
CSO_RASTERIZER,
CSO_FRAGMENT_SHADER,
CSO_VERTEX_SHADER
};
unsigned cso_construct_key(void *item, int item_size);
struct cso_cache *cso_cache_create(void);
void cso_cache_delete(struct cso_cache *sc);
struct cso_hash_iter cso_insert_state(struct cso_cache *sc,
unsigned hash_key, enum cso_cache_type type,
void *state);
struct cso_hash_iter cso_find_state(struct cso_cache *sc,
unsigned hash_key, enum cso_cache_type type);
struct cso_hash_iter cso_find_state_template(struct cso_cache *sc,
unsigned hash_key, enum cso_cache_type type,
void *templ);
void * cso_take_state(struct cso_cache *sc, unsigned hash_key,
enum cso_cache_type type);
#ifdef __cplusplus
}
#endif
#endif
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