diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_utility.c')
| -rw-r--r-- | src/mesa/shader/slang/slang_utility.c | 87 |
1 files changed, 63 insertions, 24 deletions
diff --git a/src/mesa/shader/slang/slang_utility.c b/src/mesa/shader/slang/slang_utility.c index c07e161c8d..5075832a92 100644 --- a/src/mesa/shader/slang/slang_utility.c +++ b/src/mesa/shader/slang/slang_utility.c @@ -1,8 +1,8 @@ /*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 6.5
*
- * Copyright (C) 2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 2005-2006 Brian Paul 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"),
@@ -31,43 +31,82 @@ #include "imports.h"
#include "slang_utility.h"
-void slang_alloc_free (void *ptr)
+char *slang_string_concat (char *dst, const char *src)
{
- _mesa_free (ptr);
+ return _mesa_strcpy (dst + _mesa_strlen (dst), src);
}
-void *slang_alloc_malloc (unsigned int size)
-{
- return _mesa_malloc (size);
-}
+/* slang_atom_pool */
-void *slang_alloc_realloc (void *ptr, unsigned int old_size, unsigned int size)
+void slang_atom_pool_construct (slang_atom_pool *pool)
{
- return _mesa_realloc (ptr, old_size, size);
-}
+ GLuint i;
-int slang_string_compare (const char *str1, const char *str2)
-{
- return _mesa_strcmp (str1, str2);
+ for (i = 0; i < SLANG_ATOM_POOL_SIZE; i++)
+ pool->entries[i] = NULL;
}
-char *slang_string_copy (char *dst, const char *src)
+void slang_atom_pool_destruct (slang_atom_pool *pool)
{
- return _mesa_strcpy (dst, src);
-}
+ GLuint i;
-char *slang_string_concat (char *dst, const char *src)
-{
- return _mesa_strcpy (dst + _mesa_strlen (dst), src);
+ for (i = 0; i < SLANG_ATOM_POOL_SIZE; i++)
+ {
+ slang_atom_entry *entry;
+
+ entry = pool->entries[i];
+ while (entry != NULL)
+ {
+ slang_atom_entry *next;
+
+ next = entry->next;
+ slang_alloc_free (entry->id);
+ slang_alloc_free (entry);
+ entry = next;
+ }
+ }
}
-char *slang_string_duplicate (const char *src)
+slang_atom slang_atom_pool_atom (slang_atom_pool *pool, const char *id)
{
- return _mesa_strdup (src);
+ GLuint hash;
+ const char *p = id;
+ slang_atom_entry **entry;
+
+ hash = 0;
+ while (*p != '\0')
+ {
+ GLuint g;
+
+ hash = (hash << 4) + (GLuint) *p++;
+ g = hash & 0xf0000000;
+ if (g != 0)
+ hash ^= g >> 24;
+ hash &= ~g;
+ }
+ hash %= SLANG_ATOM_POOL_SIZE;
+
+ entry = &pool->entries[hash];
+ while (*entry != NULL)
+ {
+ if (slang_string_compare ((**entry).id, id) == 0)
+ return (slang_atom) (**entry).id;
+ entry = &(**entry).next;
+ }
+
+ *entry = (slang_atom_entry *) slang_alloc_malloc (sizeof (slang_atom_entry));
+ if (*entry == NULL)
+ return SLANG_ATOM_NULL;
+
+ (**entry).next = NULL;
+ (**entry).id = slang_string_duplicate (id);
+ if ((**entry).id == NULL)
+ return SLANG_ATOM_NULL;
+ return (slang_atom) (**entry).id;
}
-unsigned int slang_string_length (const char *str)
+const char *slang_atom_pool_id (slang_atom_pool *pool, slang_atom atom)
{
- return _mesa_strlen (str);
+ return (const char *) atom;
}
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