lp_bld_format.h revision c61bf363937f40624a5632745630d4f2b9907082 
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#ifndef LP_BLD_FORMAT_H
29#define LP_BLD_FORMAT_H
30
31
32/**
33 * @file
34 * Pixel format helpers.
35 */
36
37#include <llvm-c/Core.h>
38
39#include "pipe/p_format.h"
40
41struct util_format_description;
42struct lp_type;
43
44
45boolean
46lp_format_is_rgba8(const struct util_format_description *desc);
47
48
49void
50lp_build_format_swizzle_soa(const struct util_format_description *format_desc,
51                            struct lp_type type,
52                            const LLVMValueRef *unswizzled,
53                            LLVMValueRef *swizzled);
54
55
56LLVMValueRef
57lp_build_unpack_rgba_aos(LLVMBuilderRef builder,
58                         const struct util_format_description *desc,
59                         LLVMValueRef packed);
60
61
62LLVMValueRef
63lp_build_unpack_rgba8_aos(LLVMBuilderRef builder,
64                          const struct util_format_description *desc,
65                          struct lp_type type,
66                          LLVMValueRef packed);
67
68
69LLVMValueRef
70lp_build_pack_rgba_aos(LLVMBuilderRef builder,
71                       const struct util_format_description *desc,
72                       LLVMValueRef rgba);
73
74
75void
76lp_build_unpack_rgba_soa(LLVMBuilderRef builder,
77                         const struct util_format_description *format_desc,
78                         struct lp_type type,
79                         LLVMValueRef packed,
80                         LLVMValueRef *rgba);
81
82
83#endif /* !LP_BLD_FORMAT_H */
84