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 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
43struct lp_type;
44
45LLVMValueRef
46lp_build_half_to_float(struct gallivm_state *gallivm,
47                       LLVMValueRef src);
48
49LLVMValueRef
50lp_build_float_to_half(struct gallivm_state *gallivm,
51                       LLVMValueRef src);
52
53LLVMValueRef
54lp_build_clamped_float_to_unsigned_norm(struct gallivm_state *gallivm,
55                                        struct lp_type src_type,
56                                        unsigned dst_width,
57                                        LLVMValueRef src);
58
59LLVMValueRef
60lp_build_unsigned_norm_to_float(struct gallivm_state *gallivm,
61                                unsigned src_width,
62                                struct lp_type dst_type,
63                                LLVMValueRef src);
64
65
66void
67lp_build_conv(struct gallivm_state *gallivm,
68              struct lp_type src_type,
69              struct lp_type dst_type,
70              const LLVMValueRef *srcs, unsigned num_srcs,
71              LLVMValueRef *dsts, unsigned num_dsts);
72
73
74int
75lp_build_conv_auto(struct gallivm_state *gallivm,
76                   struct lp_type src_type,
77                   struct lp_type* dst_type,
78                   const LLVMValueRef *src,
79                   unsigned num_srcs,
80                   LLVMValueRef *dst);
81
82
83void
84lp_build_conv_mask(struct gallivm_state *gallivm,
85                   struct lp_type src_type,
86                   struct lp_type dst_type,
87                   const LLVMValueRef *src, unsigned num_srcs,
88                   LLVMValueRef *dst, unsigned num_dsts);
89
90#endif /* !LP_BLD_CONV_H */
91