1 /**************************************************************************
3 * Copyright 2009 Vmware, Inc.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
33 #include "pipe/p_format.h"
36 enum util_format_layout
{
37 UTIL_FORMAT_LAYOUT_SCALAR
= 0,
38 UTIL_FORMAT_LAYOUT_ARITH
= 1,
39 UTIL_FORMAT_LAYOUT_ARRAY
= 2,
40 UTIL_FORMAT_LAYOUT_YUV
= 3,
41 UTIL_FORMAT_LAYOUT_DXT
= 4
45 struct util_format_block
47 /** Block width in pixels */
50 /** Block height in pixels */
53 /** Block size in bits */
58 enum util_format_type
{
59 UTIL_FORMAT_TYPE_VOID
= 0,
60 UTIL_FORMAT_TYPE_UNSIGNED
= 1,
61 UTIL_FORMAT_TYPE_SIGNED
= 2,
62 UTIL_FORMAT_TYPE_FIXED
= 3,
63 UTIL_FORMAT_TYPE_FLOAT
= 4
67 enum util_format_swizzle
{
68 UTIL_FORMAT_SWIZZLE_X
= 0,
69 UTIL_FORMAT_SWIZZLE_Y
= 1,
70 UTIL_FORMAT_SWIZZLE_Z
= 2,
71 UTIL_FORMAT_SWIZZLE_W
= 3,
72 UTIL_FORMAT_SWIZZLE_0
= 4,
73 UTIL_FORMAT_SWIZZLE_1
= 5,
74 UTIL_FORMAT_SWIZZLE_NONE
= 6
78 enum util_format_colorspace
{
79 UTIL_FORMAT_COLORSPACE_RGB
= 0,
80 UTIL_FORMAT_COLORSPACE_SRGB
= 1,
81 UTIL_FORMAT_COLORSPACE_YUV
= 2,
82 UTIL_FORMAT_COLORSPACE_ZS
= 3,
86 struct util_format_channel_description
89 unsigned normalized
:1;
94 struct util_format_description
96 enum pipe_format format
;
98 struct util_format_block block
;
99 enum util_format_layout layout
;
100 struct util_format_channel_description channel
[4];
101 unsigned char swizzle
[4];
102 enum util_format_colorspace colorspace
;
106 extern const struct util_format_description
107 util_format_description_table
[];
110 const struct util_format_description
*
111 util_format_description(enum pipe_format format
);
115 util_format_read_4f(enum pipe_format format
,
116 float *dst
, unsigned dst_stride
,
117 const void *src
, unsigned src_stride
,
118 unsigned x
, unsigned y
, unsigned w
, unsigned h
);
121 util_format_write_4f(enum pipe_format format
,
122 const float *src
, unsigned src_stride
,
123 void *dst
, unsigned dst_stride
,
124 unsigned x
, unsigned y
, unsigned w
, unsigned h
);
127 util_format_read_4ub(enum pipe_format format
,
128 uint8_t *dst
, unsigned dst_stride
,
129 const void *src
, unsigned src_stride
,
130 unsigned x
, unsigned y
, unsigned w
, unsigned h
);
133 util_format_write_4ub(enum pipe_format format
,
134 const uint8_t *src
, unsigned src_stride
,
135 void *dst
, unsigned dst_stride
,
136 unsigned x
, unsigned y
, unsigned w
, unsigned h
);
138 #endif /* ! U_FORMAT_H */