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 
45 struct lp_type;
46 
47 LLVMValueRef
48 lp_build_interleave2_half(struct gallivm_state *gallivm,
49                      struct lp_type type,
50                      LLVMValueRef a,
51                      LLVMValueRef b,
52                      unsigned lo_hi);
53 
54 LLVMValueRef
55 lp_build_interleave2(struct gallivm_state *gallivm,
56                      struct lp_type type,
57                      LLVMValueRef a,
58                      LLVMValueRef b,
59                      unsigned lo_hi);
60 
61 LLVMValueRef
62 lp_build_uninterleave1(struct gallivm_state *gallivm,
63                        unsigned num_elems,
64                        LLVMValueRef a,
65                        unsigned lo_hi);
66 
67 void
68 lp_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 
76 void
77 lp_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 
84 void
85 lp_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 
91 LLVMValueRef
92 lp_build_extract_range(struct gallivm_state *gallivm,
93                        LLVMValueRef src,
94                        unsigned start,
95                        unsigned size);
96 
97 LLVMValueRef
98 lp_build_concat(struct gallivm_state *gallivm,
99                 LLVMValueRef src[],
100                 struct lp_type src_type,
101                 unsigned num_vectors);
102 
103 int
104 lp_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 
112 LLVMValueRef
113 lp_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 
120 LLVMValueRef
121 lp_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 
128 LLVMValueRef
129 lp_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 
136 LLVMValueRef
137 lp_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 
144 void
145 lp_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 
152 LLVMValueRef
153 lp_build_pad_vector(struct gallivm_state *gallivm,
154                     LLVMValueRef src,
155                     unsigned dst_length);
156 
157 #endif /* !LP_BLD_PACK_H */
158