summaryrefslogtreecommitdiff
path: root/src/gallium/auxiliary/gallivm/lp_bld_const.h
blob: 6b1fc590c177f8fbfb76186c3a5bb3501b6027d0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
/**************************************************************************
 *
 * Copyright 2009 VMware, Inc.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 **************************************************************************/

/**
 * @file
 * Helper functions for constant building.
 *
 * @author Jose Fonseca <jfonseca@vmware.com>
 */


#ifndef LP_BLD_CONST_H
#define LP_BLD_CONST_H


#include "pipe/p_compiler.h"
#include "gallivm/lp_bld.h"



struct lp_type;


unsigned
lp_mantissa(struct lp_type type);


unsigned
lp_const_shift(struct lp_type type);


unsigned
lp_const_offset(struct lp_type type);


double
lp_const_scale(struct lp_type type);

double
lp_const_min(struct lp_type type);


double
lp_const_max(struct lp_type type);


double
lp_const_eps(struct lp_type type);


LLVMValueRef
lp_build_undef(struct lp_type type);


LLVMValueRef
lp_build_zero(struct lp_type type);


LLVMValueRef
lp_build_one(struct lp_type type);


LLVMValueRef
lp_build_const_elem(struct lp_type type,
                    double val);

LLVMValueRef
lp_build_const_vec(struct lp_type type, double val);


LLVMValueRef
lp_build_const_int_vec(struct lp_type type, long long val);


LLVMValueRef
lp_build_const_aos(struct lp_type type, 
                   double r, double g, double b, double a, 
                   const unsigned char *swizzle);


LLVMValueRef
lp_build_const_mask_aos(struct lp_type type,
                        unsigned mask);


static INLINE LLVMValueRef
lp_build_const_int32(int i)
{
   return LLVMConstInt(LLVMInt32Type(), i, 0);
}



#endif /* !LP_BLD_CONST_H */