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Viewing changes to src/gallium/auxiliary/util/u_linkage.h

  • Committer: Package Import Robot
  • Author(s): Marc Deslauriers, Steve Beattie
  • Date: 2012-10-19 09:04:04 UTC
  • mfrom: (163.1.4 precise-proposed)
  • Revision ID: package-import@ubuntu.com-20121019090404-5zbjpsp6knv7zl3b
Tags: 8.0.4-0ubuntu0.2
https://launchpad.net/bugs/1046933
[ Steve Beattie ]
* SECURITY UPDATE: samplers array overflow (LP: #1046933)
  - debian/patches/50-CVE-2012-2864.patch: ensure that more than
    MAX_SAMPLERS are not used
  - CVE-2012-2864

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src/gallium/auxiliary/util/u_linkage.h
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 *
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 * num_slots is the size of the layout array and hardware limit instead.
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 *
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 * efficient_slots == 0 or efficient_solts == num_slots are typical settings.
 
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 * efficient_slots == 0 or efficient_slots == num_slots are typical settings.
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 */
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void util_semantic_layout_from_set(unsigned char *layout, const struct util_semantic_set *set, unsigned efficient_slots, unsigned num_slots);
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static INLINE void
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util_semantic_table_from_layout(unsigned char *table, unsigned char *layout, unsigned char first_slot_value, unsigned char num_slots)
 
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util_semantic_table_from_layout(unsigned char *table, size_t table_size, unsigned char *layout,
 
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                                unsigned char first_slot_value, unsigned char num_slots)
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{
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   int i;
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   memset(table, 0xff, sizeof(table));
 
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   unsigned char i;
 
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   memset(table, 0xff, table_size);
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   for(i = 0; i < num_slots; ++i)
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      table[layout[i]] = first_slot_value + i;