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| Rev | Author | Line No. | Line |
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| 4358 | Serge | 1 | /* |
| 2 | * Copyright 2009 VMware, Inc. |
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| 3 | * All Rights Reserved. |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 6 | * copy of this software and associated documentation files (the "Software"), |
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| 7 | * to deal in the Software without restriction, including without limitation |
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| 8 | * on the rights to use, copy, modify, merge, publish, distribute, sub |
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| 9 | * license, and/or sell copies of the Software, and to permit persons to whom |
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| 10 | * the Software is furnished to do so, subject to the following conditions: |
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| 11 | * |
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| 12 | * The above copyright notice and this permission notice (including the next |
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| 13 | * paragraph) shall be included in all copies or substantial portions of the |
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| 14 | * Software. |
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| 15 | * |
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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| 19 | * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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| 20 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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| 21 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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| 22 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 23 | */ |
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| 24 | |||
| 25 | #ifndef U_INDICES_H |
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| 26 | #define U_INDICES_H |
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| 27 | |||
| 28 | #include "pipe/p_compiler.h" |
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| 29 | |||
| 30 | #define PV_FIRST 0 |
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| 31 | #define PV_LAST 1 |
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| 32 | #define PV_COUNT 2 |
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| 33 | |||
| 34 | typedef void (*u_translate_func)( const void *in, |
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| 35 | unsigned nr, |
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| 36 | void *out ); |
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| 37 | |||
| 38 | typedef void (*u_generate_func)( unsigned nr, |
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| 39 | void *out ); |
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| 40 | |||
| 41 | |||
| 42 | /* Return codes describe the translate/generate operation. Caller may |
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| 43 | * be able to reuse translated indices under some circumstances. |
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| 44 | */ |
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| 45 | #define U_TRANSLATE_ERROR -1 |
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| 46 | #define U_TRANSLATE_NORMAL 1 |
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| 47 | #define U_TRANSLATE_MEMCPY 2 |
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| 48 | #define U_GENERATE_LINEAR 3 |
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| 49 | #define U_GENERATE_REUSABLE 4 |
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| 50 | #define U_GENERATE_ONE_OFF 5 |
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| 51 | |||
| 52 | |||
| 53 | void u_index_init( void ); |
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| 54 | |||
| 55 | int u_index_translator( unsigned hw_mask, |
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| 56 | unsigned prim, |
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| 57 | unsigned in_index_size, |
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| 58 | unsigned nr, |
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| 59 | unsigned in_pv, /* API */ |
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| 60 | unsigned out_pv, /* hardware */ |
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| 61 | unsigned *out_prim, |
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| 62 | unsigned *out_index_size, |
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| 63 | unsigned *out_nr, |
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| 64 | u_translate_func *out_translate ); |
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| 65 | |||
| 66 | /* Note that even when generating it is necessary to know what the |
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| 67 | * API's PV is, as the indices generated will depend on whether it is |
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| 68 | * the same as hardware or not, and in the case of triangle strips, |
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| 69 | * whether it is first or last. |
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| 70 | */ |
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| 71 | int u_index_generator( unsigned hw_mask, |
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| 72 | unsigned prim, |
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| 73 | unsigned start, |
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| 74 | unsigned nr, |
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| 75 | unsigned in_pv, /* API */ |
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| 76 | unsigned out_pv, /* hardware */ |
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| 77 | unsigned *out_prim, |
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| 78 | unsigned *out_index_size, |
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| 79 | unsigned *out_nr, |
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| 80 | u_generate_func *out_generate ); |
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| 81 | |||
| 82 | |||
| 83 | void u_unfilled_init( void ); |
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| 84 | |||
| 85 | int u_unfilled_translator( unsigned prim, |
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| 86 | unsigned in_index_size, |
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| 87 | unsigned nr, |
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| 88 | unsigned unfilled_mode, |
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| 89 | unsigned *out_prim, |
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| 90 | unsigned *out_index_size, |
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| 91 | unsigned *out_nr, |
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| 92 | u_translate_func *out_translate ); |
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| 93 | |||
| 94 | int u_unfilled_generator( unsigned prim, |
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| 95 | unsigned start, |
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| 96 | unsigned nr, |
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| 97 | unsigned unfilled_mode, |
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| 98 | unsigned *out_prim, |
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| 99 | unsigned *out_index_size, |
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| 100 | unsigned *out_nr, |
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| 101 | u_generate_func *out_generate ); |
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| 102 | |||
| 103 | |||
| 104 | |||
| 105 | |||
| 106 | #endif |