lp_bld_pack.h revision 3469715a8a171512cf9b528702e70393f01c6041 
1/**************************************************************************
2 *
3 * Copyright 2009 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28/**
29 * @file
30 * Helper functions for packing/unpacking conversions.
31 *
32 * @author Jose Fonseca <jfonseca@vmware.com>
33 */
34
35
36#ifndef LP_BLD_PACK_H
37#define LP_BLD_PACK_H
38
39
40#include "pipe/p_compiler.h"
41
42#include "gallivm/lp_bld.h"
43
44
45struct lp_type;
46
47LLVMValueRef
48lp_build_interleave2_half(struct gallivm_state *gallivm,
49                     struct lp_type type,
50                     LLVMValueRef a,
51                     LLVMValueRef b,
52                     unsigned lo_hi);
53
54LLVMValueRef
55lp_build_interleave2(struct gallivm_state *gallivm,
56                     struct lp_type type,
57                     LLVMValueRef a,
58                     LLVMValueRef b,
59                     unsigned lo_hi);
60
61
62void
63lp_build_unpack2(struct gallivm_state *gallivm,
64                 struct lp_type src_type,
65                 struct lp_type dst_type,
66                 LLVMValueRef src,
67                 LLVMValueRef *dst_lo,
68                 LLVMValueRef *dst_hi);
69
70
71void
72lp_build_unpack(struct gallivm_state *gallivm,
73                struct lp_type src_type,
74                struct lp_type dst_type,
75                LLVMValueRef src,
76                LLVMValueRef *dst, unsigned num_dsts);
77
78LLVMValueRef
79lp_build_extract_range(struct gallivm_state *gallivm,
80                       LLVMValueRef src,
81                       unsigned start,
82                       unsigned size);
83
84LLVMValueRef
85lp_build_concat(struct gallivm_state *gallivm,
86                LLVMValueRef src[],
87                struct lp_type src_type,
88                unsigned num_vectors);
89
90LLVMValueRef
91lp_build_packs2(struct gallivm_state *gallivm,
92                struct lp_type src_type,
93                struct lp_type dst_type,
94                LLVMValueRef lo,
95                LLVMValueRef hi);
96
97
98LLVMValueRef
99lp_build_pack2(struct gallivm_state *gallivm,
100               struct lp_type src_type,
101               struct lp_type dst_type,
102               LLVMValueRef lo,
103               LLVMValueRef hi);
104
105
106LLVMValueRef
107lp_build_pack(struct gallivm_state *gallivm,
108              struct lp_type src_type,
109              struct lp_type dst_type,
110              boolean clamped,
111              const LLVMValueRef *src, unsigned num_srcs);
112
113
114void
115lp_build_resize(struct gallivm_state *gallivm,
116                struct lp_type src_type,
117                struct lp_type dst_type,
118                const LLVMValueRef *src, unsigned num_srcs,
119                LLVMValueRef *dst, unsigned num_dsts);
120
121
122LLVMValueRef
123lp_build_pad_vector(struct gallivm_state *gallivm,
124                    LLVMValueRef src,
125                    struct lp_type src_type,
126                    unsigned dst_length);
127
128#endif /* !LP_BLD_PACK_H */
129