src/gallium/auxiliary/cso_cache/cso_cache.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28  /*
  29   * Authors:
  30   *   Zack Rusin <zack@tungstengraphics.com>
  31   */
  32
  33 #ifndef CSO_CACHE_H
  34 #define CSO_CACHE_H
  35
  36 #include "pipe/p_context.h"
  37 #include "pipe/p_state.h"
  38
  39 #include "cso_hash.h" /* for cso_hash_iter, as MSVC requires structures returned by value to be fully defined */
  40
  41
  42 #ifdef  __cplusplus
  43 extern "C" {
  44 #endif
  45
  46
  47 struct cso_cache {
  48    struct cso_hash *blend_hash;
  49    struct cso_hash *depth_stencil_hash;
  50    struct cso_hash *fs_hash;
  51    struct cso_hash *vs_hash;
  52    struct cso_hash *rasterizer_hash;
  53    struct cso_hash *sampler_hash;
  54 };
  55
  56 struct cso_blend {
  57    struct pipe_blend_state state;
  58    void   *data;
  59 };
  60
  61 struct cso_depth_stencil_alpha {
  62    struct pipe_depth_stencil_alpha_state state;
  63    void *data;
  64 };
  65
  66 struct cso_rasterizer {
  67    struct pipe_rasterizer_state state;
  68    void *data;
  69 };
  70
  71 struct cso_fragment_shader {
  72    struct pipe_shader_state state;
  73    void *data;
  74 };
  75
  76 struct cso_vertex_shader {
  77    struct pipe_shader_state state;
  78    void *data;
  79 };
  80
  81 struct cso_sampler {
  82    struct pipe_sampler_state state;
  83    void *data;
  84 };
  85
  86
  87 enum cso_cache_type {
  88    CSO_BLEND,
  89    CSO_SAMPLER,
  90    CSO_DEPTH_STENCIL_ALPHA,
  91    CSO_RASTERIZER,
  92    CSO_FRAGMENT_SHADER,
  93    CSO_VERTEX_SHADER
  94 };
  95
  96 unsigned cso_construct_key(void *item, int item_size);
  97
  98 struct cso_cache *cso_cache_create(void);
  99 void cso_cache_delete(struct cso_cache *sc);
 100
 101 struct cso_hash_iter cso_insert_state(struct cso_cache *sc,
 102                                       unsigned hash_key, enum cso_cache_type type,
 103                                       void *state);
 104 struct cso_hash_iter cso_find_state(struct cso_cache *sc,
 105                                     unsigned hash_key, enum cso_cache_type type);
 106 struct cso_hash_iter cso_find_state_template(struct cso_cache *sc,
 107                                              unsigned hash_key, enum cso_cache_type type,
 108                                              void *templ);
 109 void * cso_take_state(struct cso_cache *sc, unsigned hash_key,
 110                       enum cso_cache_type type);
 111
 112
 113 #ifdef  __cplusplus
 114 }
 115 #endif
 116
 117 #endif