xref: /aosp_15_r20/external/mesa3d/src/mesa/main/format_utils.h (revision 6104692788411f58d303aa86923a9ff6ecaded22)
1  /**
2   * \file format_utils.h
3   * A collection of format conversion utility functions.
4   */
5  
6  /*
7   * Mesa 3-D graphics library
8   *
9   * Copyright (C) 1999-2006  Brian Paul  All Rights Reserved.
10   * Copyright (C) 2014  Intel Corporation  All Rights Reserved.
11   *
12   * Permission is hereby granted, free of charge, to any person obtaining a
13   * copy of this software and associated documentation files (the "Software"),
14   * to deal in the Software without restriction, including without limitation
15   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16   * and/or sell copies of the Software, and to permit persons to whom the
17   * Software is furnished to do so, subject to the following conditions:
18   *
19   * The above copyright notice and this permission notice shall be included
20   * in all copies or substantial portions of the Software.
21   *
22   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
25   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
26   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
27   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28   * OTHER DEALINGS IN THE SOFTWARE.
29   */
30  
31  #ifndef FORMAT_UTILS_H
32  #define FORMAT_UTILS_H
33  
34  #include "formats.h"
35  
36  #include "macros.h"
37  #include "util/rounding.h"
38  #include "util/half_float.h"
39  #include "util/format/format_utils.h"
40  
41  extern const mesa_array_format RGBA32_FLOAT;
42  extern const mesa_array_format RGBA8_UBYTE;
43  extern const mesa_array_format RGBA32_UINT;
44  extern const mesa_array_format RGBA32_INT;
45  
46  void
47  _mesa_swizzle_and_convert(void *dst,
48                            enum mesa_array_format_datatype dst_type,
49                            int num_dst_channels,
50                            const void *src,
51                            enum mesa_array_format_datatype src_type,
52                            int num_src_channels,
53                            const uint8_t swizzle[4], bool normalized, int count);
54  
55  bool
56  _mesa_compute_rgba2base2rgba_component_mapping(GLenum baseFormat, uint8_t *map);
57  
58  void
59  _mesa_format_convert(void *void_dst, uint32_t dst_format, size_t dst_stride,
60                       void *void_src, uint32_t src_format, size_t src_stride,
61                       size_t width, size_t height, uint8_t *rebase_swizzle);
62  
63  #endif
64