lp_bld_const.h revision b0636f78aa63aed2a68e86e7770c2a91c80bbb80 
1/**************************************************************************
2 *
3 * Copyright 2009 VMware, Inc.
4 * All Rights Reserved.
5 *
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7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
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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 *
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19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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26 **************************************************************************/
27
28/**
29 * @file
30 * Helper functions for constant building.
31 *
32 * @author Jose Fonseca <jfonseca@vmware.com>
33 */
34
35
36#ifndef LP_BLD_CONST_H
37#define LP_BLD_CONST_H
38
39
40#include "pipe/p_compiler.h"
41#include "gallivm/lp_bld.h"
42
43
44
45struct lp_type;
46
47
48unsigned
49lp_mantissa(struct lp_type type);
50
51
52unsigned
53lp_const_shift(struct lp_type type);
54
55
56unsigned
57lp_const_offset(struct lp_type type);
58
59
60double
61lp_const_scale(struct lp_type type);
62
63double
64lp_const_min(struct lp_type type);
65
66
67double
68lp_const_max(struct lp_type type);
69
70
71double
72lp_const_eps(struct lp_type type);
73
74
75LLVMValueRef
76lp_build_undef(struct lp_type type);
77
78
79LLVMValueRef
80lp_build_zero(struct lp_type type);
81
82
83LLVMValueRef
84lp_build_one(struct lp_type type);
85
86
87LLVMValueRef
88lp_build_const_elem(struct lp_type type,
89                    double val);
90
91LLVMValueRef
92lp_build_const_vec(struct lp_type type, double val);
93
94
95LLVMValueRef
96lp_build_const_int_vec(struct lp_type type, long long val);
97
98
99LLVMValueRef
100lp_build_const_aos(struct lp_type type,
101                   double r, double g, double b, double a,
102                   const unsigned char *swizzle);
103
104
105LLVMValueRef
106lp_build_const_mask_aos(struct lp_type type,
107                        const boolean cond[4]);
108
109
110static INLINE LLVMValueRef
111lp_build_const_int32(int i)
112{
113   return LLVMConstInt(LLVMInt32Type(), i, 0);
114}
115
116
117
118#endif /* !LP_BLD_CONST_H */
119