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
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27 
28 /**
29  * @file
30  * Helper functions for type conversions.
31  *
32  * @author Jose Fonseca <jfonseca@vmware.com>
33  */
34 
35 
36 #ifndef LP_BLD_CONV_H
37 #define LP_BLD_CONV_H
38 
39 
40 #include "gallivm/lp_bld.h"
41 
42 
43 struct lp_type;
44 
45 LLVMValueRef
46 lp_build_half_to_float(struct gallivm_state *gallivm,
47                        struct lp_type src_type,
48                        LLVMValueRef src);
49 
50 LLVMValueRef
51 lp_build_clamped_float_to_unsigned_norm(struct gallivm_state *gallivm,
52                                         struct lp_type src_type,
53                                         unsigned dst_width,
54                                         LLVMValueRef src);
55 
56 LLVMValueRef
57 lp_build_unsigned_norm_to_float(struct gallivm_state *gallivm,
58                                 unsigned src_width,
59                                 struct lp_type dst_type,
60                                 LLVMValueRef src);
61 
62 
63 void
64 lp_build_conv(struct gallivm_state *gallivm,
65               struct lp_type src_type,
66               struct lp_type dst_type,
67               const LLVMValueRef *srcs, unsigned num_srcs,
68               LLVMValueRef *dsts, unsigned num_dsts);
69 
70 void
71 lp_build_conv_mask(struct gallivm_state *gallivm,
72                    struct lp_type src_type,
73                    struct lp_type dst_type,
74                    const LLVMValueRef *src, unsigned num_srcs,
75                    LLVMValueRef *dst, unsigned num_dsts);
76 
77 #endif /* !LP_BLD_CONV_H */
78