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 logical operations.
31  *
32  * @author Jose Fonseca <jfonseca@vmware.com>
33  */
34 
35 
36 #ifndef LP_BLD_LOGIC_H
37 #define LP_BLD_LOGIC_H
38 
39 
40 #include "gallivm/lp_bld.h"
41 
42 #include "pipe/p_defines.h" /* For PIPE_FUNC_xxx */
43 
44 
45 struct lp_type;
46 struct lp_build_context;
47 
48 
49 LLVMValueRef
50 lp_build_compare(struct gallivm_state *gallivm,
51                  const struct lp_type type,
52                  unsigned func,
53                  LLVMValueRef a,
54                  LLVMValueRef b);
55 
56 
57 /**
58  * @param func is one of PIPE_FUNC_xxx
59  */
60 LLVMValueRef
61 lp_build_cmp(struct lp_build_context *bld,
62              unsigned func,
63              LLVMValueRef a,
64              LLVMValueRef b);
65 
66 LLVMValueRef
67 lp_build_select_bitwise(struct lp_build_context *bld,
68                         LLVMValueRef mask,
69                         LLVMValueRef a,
70                         LLVMValueRef b);
71 
72 LLVMValueRef
73 lp_build_select(struct lp_build_context *bld,
74                 LLVMValueRef mask,
75                 LLVMValueRef a,
76                 LLVMValueRef b);
77 
78 LLVMValueRef
79 lp_build_select_aos(struct lp_build_context *bld,
80                     unsigned mask,
81                     LLVMValueRef a,
82                     LLVMValueRef b);
83 
84 
85 LLVMValueRef
86 lp_build_any_true_range(struct lp_build_context *bld,
87                         unsigned real_length,
88                         LLVMValueRef val);
89 
90 #endif /* !LP_BLD_LOGIC_H */
91