1 /*
2 * Copyright 2009 VMware, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * VMWARE AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #ifndef U_INDICES_PRIV_H
26 #define U_INDICES_PRIV_H
27
28 #include "util/compiler.h"
29 #include "u_indices.h"
30
31 #define IN_UINT8 0
32 #define IN_UINT16 1
33 #define IN_UINT32 2
34 #define IN_COUNT 3
35
36 #define OUT_UINT16 0
37 #define OUT_UINT32 1
38 #define OUT_COUNT 2
39
40
41 #define PRIM_COUNT (MESA_PRIM_TRIANGLE_STRIP_ADJACENCY + 1)
42
translate_memcpy_uint(const void * in,unsigned start,unsigned in_nr,unsigned out_nr,unsigned restart_index,void * out)43 static void translate_memcpy_uint( const void *in,
44 unsigned start,
45 unsigned in_nr,
46 unsigned out_nr,
47 unsigned restart_index,
48 void *out )
49 {
50 memcpy(out, &((int *)in)[start], out_nr*sizeof(int));
51 }
52
translate_memcpy_ushort(const void * in,unsigned start,unsigned in_nr,unsigned out_nr,unsigned restart_index,void * out)53 static void translate_memcpy_ushort( const void *in,
54 unsigned start,
55 unsigned in_nr,
56 unsigned out_nr,
57 unsigned restart_index,
58 void *out )
59 {
60 memcpy(out, &((short *)in)[start], out_nr*sizeof(short));
61 }
62
out_size_idx(unsigned index_size)63 static unsigned out_size_idx( unsigned index_size )
64 {
65 switch (index_size) {
66 case 4: return OUT_UINT32;
67 case 2: return OUT_UINT16;
68 default: assert(0); return OUT_UINT16;
69 }
70 }
71
in_size_idx(unsigned index_size)72 static unsigned in_size_idx( unsigned index_size )
73 {
74 switch (index_size) {
75 case 4: return IN_UINT32;
76 case 2: return IN_UINT16;
77 case 1: return IN_UINT8;
78 default: assert(0); return IN_UINT8;
79 }
80 }
81
82 #endif
83