From 85ef9930f56bf15181f9a0b238f03d55303cf411 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Mon, 22 Nov 2010 19:42:40 +0000
Subject: Updated to mesalib 7.9

---
 mesalib/src/mesa/shader/prog_cache.c | 206 -----------------------------------
 1 file changed, 206 deletions(-)
 delete mode 100644 mesalib/src/mesa/shader/prog_cache.c

(limited to 'mesalib/src/mesa/shader/prog_cache.c')

diff --git a/mesalib/src/mesa/shader/prog_cache.c b/mesalib/src/mesa/shader/prog_cache.c
deleted file mode 100644
index e5b602fc0..000000000
--- a/mesalib/src/mesa/shader/prog_cache.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/**************************************************************************
- * 
- * Copyright 2003 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.
- * 
- **************************************************************************/
-
-
-#include "main/glheader.h"
-#include "main/mtypes.h"
-#include "main/imports.h"
-#include "shader/prog_cache.h"
-#include "shader/program.h"
-
-
-struct cache_item
-{
-   GLuint hash;
-   void *key;
-   struct gl_program *program;
-   struct cache_item *next;
-};
-
-struct gl_program_cache
-{
-   struct cache_item **items;
-   struct cache_item *last;
-   GLuint size, n_items;
-};
-
-
-
-/**
- * Compute hash index from state key.
- */
-static GLuint
-hash_key(const void *key, GLuint key_size)
-{
-   const GLuint *ikey = (const GLuint *) key;
-   GLuint hash = 0, i;
-
-   assert(key_size >= 4);
-
-   /* Make a slightly better attempt at a hash function:
-    */
-   for (i = 0; i < key_size / sizeof(*ikey); i++)
-   {
-      hash += ikey[i];
-      hash += (hash << 10);
-      hash ^= (hash >> 6);
-   }
-
-   return hash;
-}
-
-
-/**
- * Rebuild/expand the hash table to accomodate more entries
- */
-static void
-rehash(struct gl_program_cache *cache)
-{
-   struct cache_item **items;
-   struct cache_item *c, *next;
-   GLuint size, i;
-
-   cache->last = NULL;
-
-   size = cache->size * 3;
-   items = (struct cache_item**) malloc(size * sizeof(*items));
-   memset(items, 0, size * sizeof(*items));
-
-   for (i = 0; i < cache->size; i++)
-      for (c = cache->items[i]; c; c = next) {
-	 next = c->next;
-	 c->next = items[c->hash % size];
-	 items[c->hash % size] = c;
-      }
-
-   free(cache->items);
-   cache->items = items;
-   cache->size = size;
-}
-
-
-static void
-clear_cache(GLcontext *ctx, struct gl_program_cache *cache)
-{
-   struct cache_item *c, *next;
-   GLuint i;
-   
-   cache->last = NULL;
-
-   for (i = 0; i < cache->size; i++) {
-      for (c = cache->items[i]; c; c = next) {
-	 next = c->next;
-	 free(c->key);
-         _mesa_reference_program(ctx, &c->program, NULL);
-	 free(c);
-      }
-      cache->items[i] = NULL;
-   }
-
-
-   cache->n_items = 0;
-}
-
-
-
-struct gl_program_cache *
-_mesa_new_program_cache(void)
-{
-   struct gl_program_cache *cache = CALLOC_STRUCT(gl_program_cache);
-   if (cache) {
-      cache->size = 17;
-      cache->items = (struct cache_item **)
-         calloc(1, cache->size * sizeof(struct cache_item));
-      if (!cache->items) {
-         free(cache);
-         return NULL;
-      }
-   }
-   return cache;
-}
-
-
-void
-_mesa_delete_program_cache(GLcontext *ctx, struct gl_program_cache *cache)
-{
-   clear_cache(ctx, cache);
-   free(cache->items);
-   free(cache);
-}
-
-
-struct gl_program *
-_mesa_search_program_cache(struct gl_program_cache *cache,
-                           const void *key, GLuint keysize)
-{
-   if (cache->last && 
-       memcmp(cache->last->key, key, keysize) == 0) {
-      return cache->last->program;
-   }
-   else {
-      const GLuint hash = hash_key(key, keysize);
-      struct cache_item *c;
-
-      for (c = cache->items[hash % cache->size]; c; c = c->next) {
-         if (c->hash == hash && memcmp(c->key, key, keysize) == 0) {
-            cache->last = c;
-            return c->program;
-         }
-      }
-
-      return NULL;
-   }
-}
-
-
-void
-_mesa_program_cache_insert(GLcontext *ctx,
-                           struct gl_program_cache *cache,
-                           const void *key, GLuint keysize,
-                           struct gl_program *program)
-{
-   const GLuint hash = hash_key(key, keysize);
-   struct cache_item *c = CALLOC_STRUCT(cache_item);
-
-   c->hash = hash;
-
-   c->key = malloc(keysize);
-   memcpy(c->key, key, keysize);
-
-   c->program = program;  /* no refcount change */
-
-   if (cache->n_items > cache->size * 1.5) {
-      if (cache->size < 1000)
-	 rehash(cache);
-      else 
-	 clear_cache(ctx, cache);
-   }
-
-   cache->n_items++;
-   c->next = cache->items[hash % cache->size];
-   cache->items[hash % cache->size] = c;
-}
-- 
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