diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-05-09 13:09:58 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-05-09 13:09:58 +0100 |
commit | 80474d576c2e92441f6bcc18faae71a38b91bd70 (patch) | |
tree | cfd0bb940a16bd8c395982bc2d2f49d9816edaf4 /src/gallium/auxiliary/translate/translate.h | |
parent | b514f5f3ba4c9cf6c39cbcdf5bf0d2d8efb8d19b (diff) |
translate: helper functions for mimizing cost of key compares
Diffstat (limited to 'src/gallium/auxiliary/translate/translate.h')
-rw-r--r-- | src/gallium/auxiliary/translate/translate.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/translate/translate.h b/src/gallium/auxiliary/translate/translate.h index de6f09d18a..b8210af50c 100644 --- a/src/gallium/auxiliary/translate/translate.h +++ b/src/gallium/auxiliary/translate/translate.h @@ -95,6 +95,27 @@ struct translate *translate_lookup_or_create( struct translate_context *tctx, struct translate *translate_create( const struct translate_key *key ); +static INLINE int translate_keysize( const struct translate_key *key ) +{ + return 2 * sizeof(int) + key->nr_elements * sizeof(struct translate_element); +} + +static INLINE int translate_key_compare( const struct translate_key *a, + const struct translate_key *b ) +{ + int keysize = translate_keysize(a); + return memcmp(a, b, keysize); +} + + +static INLINE void translate_key_sanitize( struct translate_key *a ) +{ + int keysize = translate_keysize(a); + char *ptr = (char *)a; + memset(ptr + keysize, 0, sizeof(*a) - keysize); +} + + /******************************************************************************* * Private: */ |