diff options
Diffstat (limited to 'src/mesa/pipe/cso_cache/cso_cache.c')
-rw-r--r-- | src/mesa/pipe/cso_cache/cso_cache.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/src/mesa/pipe/cso_cache/cso_cache.c b/src/mesa/pipe/cso_cache/cso_cache.c deleted file mode 100644 index 9e77e0774d..0000000000 --- a/src/mesa/pipe/cso_cache/cso_cache.c +++ /dev/null @@ -1,181 +0,0 @@ -/************************************************************************** - * - * 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> - */ - -#include "cso_cache.h" -#include "cso_hash.h" - -#if 1 -static unsigned hash_key(const void *key, unsigned key_size) -{ - unsigned *ikey = (unsigned *)key; - unsigned hash = 0, i; - - assert(key_size % 4 == 0); - - /* I'm sure this can be improved on: - */ - for (i = 0; i < key_size/4; i++) - hash ^= ikey[i]; - - return hash; -} -#else -static unsigned hash_key(const unsigned char *p, int n) -{ - unsigned h = 0; - unsigned g; - - while (n--) { - h = (h << 4) + *p++; - if ((g = (h & 0xf0000000)) != 0) - h ^= g >> 23; - h &= ~g; - } - return h; -} -#endif - -unsigned cso_construct_key(void *item, int item_size) -{ - return hash_key((item), item_size); -} - -static struct cso_hash *_cso_hash_for_type(struct cso_cache *sc, enum cso_cache_type type) -{ - struct cso_hash *hash = 0; - - switch(type) { - case CSO_BLEND: - hash = sc->blend_hash; - break; - case CSO_SAMPLER: - hash = sc->sampler_hash; - break; - case CSO_DEPTH_STENCIL_ALPHA: - hash = sc->depth_stencil_hash; - break; - case CSO_RASTERIZER: - hash = sc->rasterizer_hash; - break; - case CSO_FRAGMENT_SHADER: - hash = sc->fs_hash; - break; - case CSO_VERTEX_SHADER: - hash = sc->vs_hash; - break; - } - - return hash; -} - -static int _cso_size_for_type(enum cso_cache_type type) -{ - switch(type) { - case CSO_BLEND: - return sizeof(struct pipe_blend_state); - case CSO_SAMPLER: - return sizeof(struct pipe_sampler_state); - case CSO_DEPTH_STENCIL_ALPHA: - return sizeof(struct pipe_depth_stencil_alpha_state); - case CSO_RASTERIZER: - return sizeof(struct pipe_rasterizer_state); - case CSO_FRAGMENT_SHADER: - return sizeof(struct pipe_shader_state); - case CSO_VERTEX_SHADER: - return sizeof(struct pipe_shader_state); - } - return 0; -} - -struct cso_hash_iter -cso_insert_state(struct cso_cache *sc, - unsigned hash_key, enum cso_cache_type type, - void *state) -{ - struct cso_hash *hash = _cso_hash_for_type(sc, type); - return cso_hash_insert(hash, hash_key, state); -} - -struct cso_hash_iter -cso_find_state(struct cso_cache *sc, - unsigned hash_key, enum cso_cache_type type) -{ - struct cso_hash *hash = _cso_hash_for_type(sc, type); - - return cso_hash_find(hash, hash_key); -} - -struct cso_hash_iter cso_find_state_template(struct cso_cache *sc, - unsigned hash_key, enum cso_cache_type type, - void *templ) -{ - struct cso_hash_iter iter = cso_find_state(sc, hash_key, type); - int size = _cso_size_for_type(type); - while (!cso_hash_iter_is_null(iter)) { - void *iter_data = cso_hash_iter_data(iter); - if (!memcmp(iter_data, templ, size)) - return iter; - iter = cso_hash_iter_next(iter); - } - return iter; -} - -void * cso_take_state(struct cso_cache *sc, - unsigned hash_key, enum cso_cache_type type) -{ - struct cso_hash *hash = _cso_hash_for_type(sc, type); - return cso_hash_take(hash, hash_key); -} - -struct cso_cache *cso_cache_create(void) -{ - struct cso_cache *sc = malloc(sizeof(struct cso_cache)); - - sc->blend_hash = cso_hash_create(); - sc->sampler_hash = cso_hash_create(); - sc->depth_stencil_hash = cso_hash_create(); - sc->rasterizer_hash = cso_hash_create(); - sc->fs_hash = cso_hash_create(); - sc->vs_hash = cso_hash_create(); - - return sc; -} - -void cso_cache_delete(struct cso_cache *sc) -{ - assert(sc); - cso_hash_delete(sc->blend_hash); - cso_hash_delete(sc->sampler_hash); - cso_hash_delete(sc->depth_stencil_hash); - cso_hash_delete(sc->rasterizer_hash); - cso_hash_delete(sc->fs_hash); - cso_hash_delete(sc->vs_hash); - free(sc); -} |