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
61LLVMValueRef
62lp_build_uninterleave1(struct gallivm_state *gallivm,
63                       unsigned num_elems,
64                       LLVMValueRef a,
65                       unsigned lo_hi);
66
67void
68lp_build_unpack2(struct gallivm_state *gallivm,
69                 struct lp_type src_type,
70                 struct lp_type dst_type,
71                 LLVMValueRef src,
72                 LLVMValueRef *dst_lo,
73                 LLVMValueRef *dst_hi);
74
75
76void
77lp_build_unpack2_native(struct gallivm_state *gallivm,
78                        struct lp_type src_type,
79                        struct lp_type dst_type,
80                        LLVMValueRef src,
81                        LLVMValueRef *dst_lo,
82                        LLVMValueRef *dst_hi);
83
84void
85lp_build_unpack(struct gallivm_state *gallivm,
86                struct lp_type src_type,
87                struct lp_type dst_type,
88                LLVMValueRef src,
89                LLVMValueRef *dst, unsigned num_dsts);
90
91LLVMValueRef
92lp_build_extract_range(struct gallivm_state *gallivm,
93                       LLVMValueRef src,
94                       unsigned start,
95                       unsigned size);
96
97LLVMValueRef
98lp_build_concat(struct gallivm_state *gallivm,
99                LLVMValueRef src[],
100                struct lp_type src_type,
101                unsigned num_vectors);
102
103int
104lp_build_concat_n(struct gallivm_state *gallivm,
105                  struct lp_type src_type,
106                  LLVMValueRef *src,
107                  unsigned num_srcs,
108                  LLVMValueRef *dst,
109                  unsigned num_dsts);
110
111
112LLVMValueRef
113lp_build_packs2(struct gallivm_state *gallivm,
114                struct lp_type src_type,
115                struct lp_type dst_type,
116                LLVMValueRef lo,
117                LLVMValueRef hi);
118
119
120LLVMValueRef
121lp_build_pack2(struct gallivm_state *gallivm,
122               struct lp_type src_type,
123               struct lp_type dst_type,
124               LLVMValueRef lo,
125               LLVMValueRef hi);
126
127
128LLVMValueRef
129lp_build_pack2_native(struct gallivm_state *gallivm,
130                      struct lp_type src_type,
131                      struct lp_type dst_type,
132                      LLVMValueRef lo,
133                      LLVMValueRef hi);
134
135
136LLVMValueRef
137lp_build_pack(struct gallivm_state *gallivm,
138              struct lp_type src_type,
139              struct lp_type dst_type,
140              boolean clamped,
141              const LLVMValueRef *src, unsigned num_srcs);
142
143
144void
145lp_build_resize(struct gallivm_state *gallivm,
146                struct lp_type src_type,
147                struct lp_type dst_type,
148                const LLVMValueRef *src, unsigned num_srcs,
149                LLVMValueRef *dst, unsigned num_dsts);
150
151
152LLVMValueRef
153lp_build_pad_vector(struct gallivm_state *gallivm,
154                    LLVMValueRef src,
155                    unsigned dst_length);
156
157#endif /* !LP_BLD_PACK_H */
158