| 0,0 → 1,67 |
|---|
| /************************************************************************** |
| * |
| * Copyright 2010 Luca Barbieri |
| * |
| * 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, sublicense, 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 NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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. |
| * |
| **************************************************************************/ |
| |
| #ifndef U_LINKAGE_H_ |
| #define U_LINKAGE_H_ |
| |
| #include "pipe/p_compiler.h" |
| #include "pipe/p_shader_tokens.h" |
| |
| struct util_semantic_set |
| { |
| unsigned long masks[256 / 8 / sizeof(unsigned long)]; |
| }; |
| |
| static INLINE boolean |
| util_semantic_set_contains(struct util_semantic_set *set, unsigned char value) |
| { |
| return !!(set->masks[value / (sizeof(long) * 8)] & (1 << (value / (sizeof(long) * 8)))); |
| } |
| |
| unsigned util_semantic_set_from_program_file(struct util_semantic_set *set, const struct tgsi_token *tokens, enum tgsi_file_type file); |
| |
| /* efficient_slots is the number of slots such that hardware performance is |
| * the same for using that amount, with holes, or less slots but with less |
| * holes. |
| * |
| * num_slots is the size of the layout array and hardware limit instead. |
| * |
| * efficient_slots == 0 or efficient_slots == num_slots are typical settings. |
| */ |
| void util_semantic_layout_from_set(unsigned char *layout, const struct util_semantic_set *set, unsigned efficient_slots, unsigned num_slots); |
| |
| static INLINE void |
| util_semantic_table_from_layout(unsigned char *table, size_t table_size, unsigned char *layout, |
| unsigned char first_slot_value, unsigned char num_slots) |
| { |
| unsigned char i; |
| memset(table, 0xff, table_size); |
| |
| for(i = 0; i < num_slots; ++i) |
| table[layout[i]] = first_slot_value + i; |
| } |
| |
| #endif /* U_LINKAGE_H_ */ |