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| 1901 | serge | 1 | /* |
| 2 | * Mesa 3-D graphics library |
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| 3 | * Version: 7.9 |
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| 4 | * |
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| 5 | * Copyright (C) 2010 LunarG Inc. |
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| 6 | * |
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| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 8 | * copy of this software and associated documentation files (the "Software"), |
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| 9 | * to deal in the Software without restriction, including without limitation |
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| 10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 11 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 12 | * Software is furnished to do so, subject to the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice shall be included |
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| 15 | * in all copies or substantial portions of the Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 22 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 23 | * DEALINGS IN THE SOFTWARE. |
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| 24 | * |
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| 25 | * Authors: |
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| 26 | * Chia-I Wu |
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| 27 | */ |
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| 28 | |||
| 29 | #ifndef _TABLE_H_ |
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| 30 | #define _TABLE_H_ |
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| 31 | |||
| 32 | #include "u_compiler.h" |
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| 33 | #include "stub.h" |
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| 34 | |||
| 35 | #define MAPI_TMP_DEFINES |
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| 36 | #define MAPI_TMP_TABLE |
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| 37 | #include "mapi_tmp.h" |
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| 38 | |||
| 39 | #define MAPI_TABLE_NUM_SLOTS (MAPI_TABLE_NUM_STATIC + MAPI_TABLE_NUM_DYNAMIC) |
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| 40 | #define MAPI_TABLE_SIZE (MAPI_TABLE_NUM_SLOTS * sizeof(mapi_func)) |
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| 41 | |||
| 42 | extern const mapi_func table_noop_array[]; |
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| 43 | |||
| 44 | /** |
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| 45 | * Get the no-op dispatch table. |
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| 46 | */ |
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| 47 | static INLINE const struct mapi_table * |
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| 48 | table_get_noop(void) |
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| 49 | { |
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| 50 | return (const struct mapi_table *) table_noop_array; |
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| 51 | } |
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| 52 | |||
| 53 | /** |
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| 54 | * Update the dispatch table to dispatch a stub to the given function. |
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| 55 | */ |
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| 56 | static INLINE void |
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| 57 | table_set_func(struct mapi_table *tbl, |
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| 58 | const struct mapi_stub *stub, mapi_func func) |
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| 59 | { |
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| 60 | mapi_func *funcs = (mapi_func *) tbl; |
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| 61 | funcs[stub->slot] = func; |
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| 62 | } |
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| 63 | |||
| 64 | /** |
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| 65 | * Return the dispatched function of a stub. |
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| 66 | */ |
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| 67 | static INLINE mapi_func |
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| 68 | table_get_func(const struct mapi_table *tbl, const struct mapi_stub *stub) |
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| 69 | { |
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| 70 | const mapi_func *funcs = (const mapi_func *) tbl; |
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| 71 | return funcs[stub->slot]; |
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| 72 | } |
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| 73 | |||
| 74 | #endif /* _TABLE_H_ */ |