Dave Airlie | 91b70d8 | 2010-08-12 20:20:23 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2010 Marek Olšák <maraeo@gmail.com> |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * on the rights to use, copy, modify, merge, publish, distribute, sub |
| 8 | * license, and/or sell copies of the Software, and to permit persons to whom |
| 9 | * the Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| 19 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| 20 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| 21 | * USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 22 | |
| 23 | #include "pipe/p_context.h" |
| 24 | #include "util/u_index_modify.h" |
| 25 | #include "util/u_inlines.h" |
| 26 | |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 27 | /* Ubyte indices. */ |
| 28 | |
| 29 | void util_shorten_ubyte_elts_to_userptr(struct pipe_context *context, |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 30 | struct pipe_index_buffer *ib, |
Marek Olšák | bc8d047 | 2017-02-17 12:55:24 +0100 | [diff] [blame^] | 31 | unsigned add_transfer_flags, |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 32 | int index_bias, |
| 33 | unsigned start, |
| 34 | unsigned count, |
| 35 | void *out) |
Dave Airlie | 91b70d8 | 2010-08-12 20:20:23 +1000 | [diff] [blame] | 36 | { |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 37 | struct pipe_transfer *src_transfer = NULL; |
| 38 | const unsigned char *in_map; |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 39 | unsigned short *out_map = out; |
Dave Airlie | 91b70d8 | 2010-08-12 20:20:23 +1000 | [diff] [blame] | 40 | unsigned i; |
| 41 | |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 42 | if (ib->user_buffer) { |
| 43 | in_map = ib->user_buffer; |
| 44 | } else { |
| 45 | in_map = pipe_buffer_map(context, ib->buffer, |
| 46 | PIPE_TRANSFER_READ | |
Marek Olšák | bc8d047 | 2017-02-17 12:55:24 +0100 | [diff] [blame^] | 47 | add_transfer_flags, |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 48 | &src_transfer); |
| 49 | } |
Dave Airlie | 91b70d8 | 2010-08-12 20:20:23 +1000 | [diff] [blame] | 50 | in_map += start; |
| 51 | |
| 52 | for (i = 0; i < count; i++) { |
| 53 | *out_map = (unsigned short)(*in_map + index_bias); |
| 54 | in_map++; |
| 55 | out_map++; |
| 56 | } |
| 57 | |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 58 | if (src_transfer) |
| 59 | pipe_buffer_unmap(context, src_transfer); |
Dave Airlie | 91b70d8 | 2010-08-12 20:20:23 +1000 | [diff] [blame] | 60 | } |
| 61 | |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 62 | /* Ushort indices. */ |
| 63 | |
| 64 | void util_rebuild_ushort_elts_to_userptr(struct pipe_context *context, |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 65 | struct pipe_index_buffer *ib, |
Marek Olšák | bc8d047 | 2017-02-17 12:55:24 +0100 | [diff] [blame^] | 66 | unsigned add_transfer_flags, |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 67 | int index_bias, |
| 68 | unsigned start, unsigned count, |
| 69 | void *out) |
| 70 | { |
| 71 | struct pipe_transfer *in_transfer = NULL; |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 72 | const unsigned short *in_map; |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 73 | unsigned short *out_map = out; |
| 74 | unsigned i; |
| 75 | |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 76 | if (ib->user_buffer) { |
| 77 | in_map = ib->user_buffer; |
| 78 | } else { |
| 79 | in_map = pipe_buffer_map(context, ib->buffer, |
| 80 | PIPE_TRANSFER_READ | |
Marek Olšák | bc8d047 | 2017-02-17 12:55:24 +0100 | [diff] [blame^] | 81 | add_transfer_flags, |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 82 | &in_transfer); |
| 83 | } |
Dave Airlie | 91b70d8 | 2010-08-12 20:20:23 +1000 | [diff] [blame] | 84 | in_map += start; |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 85 | |
Dave Airlie | 91b70d8 | 2010-08-12 20:20:23 +1000 | [diff] [blame] | 86 | for (i = 0; i < count; i++) { |
| 87 | *out_map = (unsigned short)(*in_map + index_bias); |
| 88 | in_map++; |
| 89 | out_map++; |
| 90 | } |
| 91 | |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 92 | if (in_transfer) |
| 93 | pipe_buffer_unmap(context, in_transfer); |
Dave Airlie | 91b70d8 | 2010-08-12 20:20:23 +1000 | [diff] [blame] | 94 | } |
| 95 | |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 96 | /* Uint indices. */ |
| 97 | |
| 98 | void util_rebuild_uint_elts_to_userptr(struct pipe_context *context, |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 99 | struct pipe_index_buffer *ib, |
Marek Olšák | bc8d047 | 2017-02-17 12:55:24 +0100 | [diff] [blame^] | 100 | unsigned add_transfer_flags, |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 101 | int index_bias, |
| 102 | unsigned start, unsigned count, |
| 103 | void *out) |
| 104 | { |
| 105 | struct pipe_transfer *in_transfer = NULL; |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 106 | const unsigned int *in_map; |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 107 | unsigned int *out_map = out; |
| 108 | unsigned i; |
| 109 | |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 110 | if (ib->user_buffer) { |
| 111 | in_map = ib->user_buffer; |
| 112 | } else { |
| 113 | in_map = pipe_buffer_map(context, ib->buffer, |
| 114 | PIPE_TRANSFER_READ | |
Marek Olšák | bc8d047 | 2017-02-17 12:55:24 +0100 | [diff] [blame^] | 115 | add_transfer_flags, |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 116 | &in_transfer); |
| 117 | } |
Dave Airlie | 91b70d8 | 2010-08-12 20:20:23 +1000 | [diff] [blame] | 118 | in_map += start; |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 119 | |
Dave Airlie | 91b70d8 | 2010-08-12 20:20:23 +1000 | [diff] [blame] | 120 | for (i = 0; i < count; i++) { |
| 121 | *out_map = (unsigned int)(*in_map + index_bias); |
| 122 | in_map++; |
| 123 | out_map++; |
| 124 | } |
| 125 | |
Marek Olšák | bf469f4 | 2012-04-24 21:14:44 +0200 | [diff] [blame] | 126 | if (in_transfer) |
| 127 | pipe_buffer_unmap(context, in_transfer); |
Marek Olšák | 76db330 | 2010-12-29 04:52:55 +0100 | [diff] [blame] | 128 | } |