2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (c) 2008-2009 VMware, Inc.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
44 /* OpenGL doesn't have GL_UNSIGNED_BYTE_4_4, so we must define our own type
45 * for GL_LUMINANCE4_ALPHA4. */
46 #define MESA_UNSIGNED_BYTE_4_4 (GL_UNSIGNED_BYTE<<1)
50 * Max number of bytes for any non-compressed pixel format below, or for
51 * intermediate pixel storage in Mesa. This should never be less than
52 * 16. Maybe 32 someday?
54 #define MAX_PIXEL_BYTES 16
58 * Mesa texture/renderbuffer image formats.
65 * \name Basic hardware formats
68 /* msb <------ TEXEL BITS -----------> lsb */
69 /* ---- ---- ---- ---- ---- ---- ---- ---- */
70 MESA_FORMAT_RGBA8888
, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
71 MESA_FORMAT_RGBA8888_REV
, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
72 MESA_FORMAT_ARGB8888
, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
73 MESA_FORMAT_ARGB8888_REV
, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
74 MESA_FORMAT_RGBX8888
, /* RRRR RRRR GGGG GGGG BBBB BBBB XXXX XXXX */
75 MESA_FORMAT_RGBX8888_REV
, /* xxxx xxxx BBBB BBBB GGGG GGGG RRRR RRRR */
76 MESA_FORMAT_XRGB8888
, /* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
77 MESA_FORMAT_XRGB8888_REV
, /* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */
78 MESA_FORMAT_RGB888
, /* RRRR RRRR GGGG GGGG BBBB BBBB */
79 MESA_FORMAT_BGR888
, /* BBBB BBBB GGGG GGGG RRRR RRRR */
80 MESA_FORMAT_RGB565
, /* RRRR RGGG GGGB BBBB */
81 MESA_FORMAT_RGB565_REV
, /* GGGB BBBB RRRR RGGG */
82 MESA_FORMAT_ARGB4444
, /* AAAA RRRR GGGG BBBB */
83 MESA_FORMAT_ARGB4444_REV
, /* GGGG BBBB AAAA RRRR */
84 MESA_FORMAT_RGBA5551
, /* RRRR RGGG GGBB BBBA */
85 MESA_FORMAT_ARGB1555
, /* ARRR RRGG GGGB BBBB */
86 MESA_FORMAT_ARGB1555_REV
, /* GGGB BBBB ARRR RRGG */
87 MESA_FORMAT_AL44
, /* AAAA LLLL */
88 MESA_FORMAT_AL88
, /* AAAA AAAA LLLL LLLL */
89 MESA_FORMAT_AL88_REV
, /* LLLL LLLL AAAA AAAA */
90 MESA_FORMAT_AL1616
, /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */
91 MESA_FORMAT_AL1616_REV
, /* LLLL LLLL LLLL LLLL AAAA AAAA AAAA AAAA */
92 MESA_FORMAT_RGB332
, /* RRRG GGBB */
93 MESA_FORMAT_A8
, /* AAAA AAAA */
94 MESA_FORMAT_A16
, /* AAAA AAAA AAAA AAAA */
95 MESA_FORMAT_L8
, /* LLLL LLLL */
96 MESA_FORMAT_L16
, /* LLLL LLLL LLLL LLLL */
97 MESA_FORMAT_I8
, /* IIII IIII */
98 MESA_FORMAT_I16
, /* IIII IIII IIII IIII */
99 MESA_FORMAT_YCBCR
, /* YYYY YYYY UorV UorV */
100 MESA_FORMAT_YCBCR_REV
, /* UorV UorV YYYY YYYY */
101 MESA_FORMAT_Z16
, /* ZZZZ ZZZZ ZZZZ ZZZZ */
102 MESA_FORMAT_X8_Z24
, /* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
103 MESA_FORMAT_Z24_X8
, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */
104 MESA_FORMAT_Z32
, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
105 MESA_FORMAT_S8
, /* SSSS SSSS */
109 * \name Floating point texture formats.
112 MESA_FORMAT_RGBA_FLOAT32
,
113 MESA_FORMAT_RGBA_FLOAT16
,
114 MESA_FORMAT_RGB_FLOAT32
,
115 MESA_FORMAT_RGB_FLOAT16
,
116 MESA_FORMAT_ALPHA_FLOAT32
,
117 MESA_FORMAT_ALPHA_FLOAT16
,
118 MESA_FORMAT_LUMINANCE_FLOAT32
,
119 MESA_FORMAT_LUMINANCE_FLOAT16
,
120 MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
,
121 MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
,
122 MESA_FORMAT_INTENSITY_FLOAT32
,
123 MESA_FORMAT_INTENSITY_FLOAT16
,
127 * \name Non-normalized signed integer formats.
128 * XXX Note: these are just stand-ins for some better hardware
129 * formats TBD such as BGRA or ARGB.
131 MESA_FORMAT_ALPHA_UINT8
,
132 MESA_FORMAT_ALPHA_UINT16
,
133 MESA_FORMAT_ALPHA_UINT32
,
134 MESA_FORMAT_ALPHA_INT8
,
135 MESA_FORMAT_ALPHA_INT16
,
136 MESA_FORMAT_ALPHA_INT32
,
138 MESA_FORMAT_INTENSITY_UINT8
,
139 MESA_FORMAT_INTENSITY_UINT16
,
140 MESA_FORMAT_INTENSITY_UINT32
,
141 MESA_FORMAT_INTENSITY_INT8
,
142 MESA_FORMAT_INTENSITY_INT16
,
143 MESA_FORMAT_INTENSITY_INT32
,
145 MESA_FORMAT_LUMINANCE_UINT8
,
146 MESA_FORMAT_LUMINANCE_UINT16
,
147 MESA_FORMAT_LUMINANCE_UINT32
,
148 MESA_FORMAT_LUMINANCE_INT8
,
149 MESA_FORMAT_LUMINANCE_INT16
,
150 MESA_FORMAT_LUMINANCE_INT32
,
152 MESA_FORMAT_LUMINANCE_ALPHA_UINT8
,
153 MESA_FORMAT_LUMINANCE_ALPHA_UINT16
,
154 MESA_FORMAT_LUMINANCE_ALPHA_UINT32
,
155 MESA_FORMAT_LUMINANCE_ALPHA_INT8
,
156 MESA_FORMAT_LUMINANCE_ALPHA_INT16
,
157 MESA_FORMAT_LUMINANCE_ALPHA_INT32
,
159 MESA_FORMAT_RGB_INT8
,
160 MESA_FORMAT_RGBA_INT8
,
161 MESA_FORMAT_RGB_INT16
,
162 MESA_FORMAT_RGBA_INT16
,
163 MESA_FORMAT_RGB_INT32
,
164 MESA_FORMAT_RGBA_INT32
,
167 * \name Non-normalized unsigned integer formats.
169 MESA_FORMAT_RGB_UINT8
,
170 MESA_FORMAT_RGBA_UINT8
,
171 MESA_FORMAT_RGB_UINT16
,
172 MESA_FORMAT_RGBA_UINT16
,
173 MESA_FORMAT_RGB_UINT32
,
174 MESA_FORMAT_RGBA_UINT32
,
176 /* msb <------ TEXEL BITS -----------> lsb */
177 /* ---- ---- ---- ---- ---- ---- ---- ---- */
179 * \name Signed fixed point texture formats.
182 MESA_FORMAT_SIGNED_RGBA_16
, /* ... */
183 MESA_FORMAT_RGBA_16
, /* ... */
191 _mesa_get_format_name(gl_format format
);
194 _mesa_get_format_bytes(gl_format format
);
197 _mesa_get_format_bits(gl_format format
, GLenum pname
);
200 _mesa_get_format_max_bits(gl_format format
);
203 _mesa_get_format_datatype(gl_format format
);
206 _mesa_get_format_base_format(gl_format format
);
209 _mesa_get_format_block_size(gl_format format
, GLuint
*bw
, GLuint
*bh
);
212 _mesa_is_format_integer_color(gl_format format
);
215 _mesa_format_image_size(gl_format format
, GLsizei width
,
216 GLsizei height
, GLsizei depth
);
219 _mesa_format_image_size64(gl_format format
, GLsizei width
,
220 GLsizei height
, GLsizei depth
);
223 _mesa_format_row_stride(gl_format format
, GLsizei width
);
226 _mesa_format_to_type_and_comps(gl_format format
,
227 GLenum
*datatype
, GLuint
*comps
);
230 _mesa_test_formats(void);
233 _mesa_format_num_components(gl_format format
);
236 _mesa_format_matches_format_and_type(gl_format gl_format
,
237 GLenum format
, GLenum type
);
244 #endif /* FORMATS_H */