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_R8
, /* RRRR RRRR */
102 MESA_FORMAT_GR88
, /* GGGG GGGG RRRR RRRR */
103 MESA_FORMAT_RG88
, /* RRRR RRRR GGGG GGGG */
104 MESA_FORMAT_R16
, /* RRRR RRRR RRRR RRRR */
105 MESA_FORMAT_RG1616
, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
106 MESA_FORMAT_RG1616_REV
, /* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */
107 MESA_FORMAT_ARGB2101010
, /* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
108 MESA_FORMAT_Z24_S8
, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ SSSS SSSS */
109 MESA_FORMAT_S8_Z24
, /* SSSS SSSS ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
110 MESA_FORMAT_Z16
, /* ZZZZ ZZZZ ZZZZ ZZZZ */
111 MESA_FORMAT_X8_Z24
, /* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
112 MESA_FORMAT_Z24_X8
, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */
113 MESA_FORMAT_Z32
, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
114 MESA_FORMAT_S8
, /* SSSS SSSS */
118 * \name 8-bit/channel sRGB formats
121 MESA_FORMAT_SRGB8
, /* RRRR RRRR GGGG GGGG BBBB BBBB */
122 MESA_FORMAT_SRGBA8
, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
123 MESA_FORMAT_SARGB8
, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
124 MESA_FORMAT_SL8
, /* LLLL LLLL */
125 MESA_FORMAT_SLA8
, /* AAAA AAAA LLLL LLLL */
126 MESA_FORMAT_SRGB_DXT1
,
127 MESA_FORMAT_SRGBA_DXT1
,
128 MESA_FORMAT_SRGBA_DXT3
,
129 MESA_FORMAT_SRGBA_DXT5
,
133 * \name Compressed texture formats.
136 MESA_FORMAT_RGB_FXT1
,
137 MESA_FORMAT_RGBA_FXT1
,
138 MESA_FORMAT_RGB_DXT1
,
139 MESA_FORMAT_RGBA_DXT1
,
140 MESA_FORMAT_RGBA_DXT3
,
141 MESA_FORMAT_RGBA_DXT5
,
145 * \name Floating point texture formats.
148 MESA_FORMAT_RGBA_FLOAT32
,
149 MESA_FORMAT_RGBA_FLOAT16
,
150 MESA_FORMAT_RGB_FLOAT32
,
151 MESA_FORMAT_RGB_FLOAT16
,
152 MESA_FORMAT_ALPHA_FLOAT32
,
153 MESA_FORMAT_ALPHA_FLOAT16
,
154 MESA_FORMAT_LUMINANCE_FLOAT32
,
155 MESA_FORMAT_LUMINANCE_FLOAT16
,
156 MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32
,
157 MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16
,
158 MESA_FORMAT_INTENSITY_FLOAT32
,
159 MESA_FORMAT_INTENSITY_FLOAT16
,
160 MESA_FORMAT_R_FLOAT32
,
161 MESA_FORMAT_R_FLOAT16
,
162 MESA_FORMAT_RG_FLOAT32
,
163 MESA_FORMAT_RG_FLOAT16
,
167 * \name Non-normalized signed integer formats.
168 * XXX Note: these are just stand-ins for some better hardware
169 * formats TBD such as BGRA or ARGB.
171 MESA_FORMAT_ALPHA_UINT8
,
172 MESA_FORMAT_ALPHA_UINT16
,
173 MESA_FORMAT_ALPHA_UINT32
,
174 MESA_FORMAT_ALPHA_INT8
,
175 MESA_FORMAT_ALPHA_INT16
,
176 MESA_FORMAT_ALPHA_INT32
,
178 MESA_FORMAT_INTENSITY_UINT8
,
179 MESA_FORMAT_INTENSITY_UINT16
,
180 MESA_FORMAT_INTENSITY_UINT32
,
181 MESA_FORMAT_INTENSITY_INT8
,
182 MESA_FORMAT_INTENSITY_INT16
,
183 MESA_FORMAT_INTENSITY_INT32
,
185 MESA_FORMAT_LUMINANCE_UINT8
,
186 MESA_FORMAT_LUMINANCE_UINT16
,
187 MESA_FORMAT_LUMINANCE_UINT32
,
188 MESA_FORMAT_LUMINANCE_INT8
,
189 MESA_FORMAT_LUMINANCE_INT16
,
190 MESA_FORMAT_LUMINANCE_INT32
,
192 MESA_FORMAT_LUMINANCE_ALPHA_UINT8
,
193 MESA_FORMAT_LUMINANCE_ALPHA_UINT16
,
194 MESA_FORMAT_LUMINANCE_ALPHA_UINT32
,
195 MESA_FORMAT_LUMINANCE_ALPHA_INT8
,
196 MESA_FORMAT_LUMINANCE_ALPHA_INT16
,
197 MESA_FORMAT_LUMINANCE_ALPHA_INT32
,
201 MESA_FORMAT_RGB_INT8
,
202 MESA_FORMAT_RGBA_INT8
,
204 MESA_FORMAT_RG_INT16
,
205 MESA_FORMAT_RGB_INT16
,
206 MESA_FORMAT_RGBA_INT16
,
208 MESA_FORMAT_RG_INT32
,
209 MESA_FORMAT_RGB_INT32
,
210 MESA_FORMAT_RGBA_INT32
,
213 * \name Non-normalized unsigned integer formats.
216 MESA_FORMAT_RG_UINT8
,
217 MESA_FORMAT_RGB_UINT8
,
218 MESA_FORMAT_RGBA_UINT8
,
219 MESA_FORMAT_R_UINT16
,
220 MESA_FORMAT_RG_UINT16
,
221 MESA_FORMAT_RGB_UINT16
,
222 MESA_FORMAT_RGBA_UINT16
,
223 MESA_FORMAT_R_UINT32
,
224 MESA_FORMAT_RG_UINT32
,
225 MESA_FORMAT_RGB_UINT32
,
226 MESA_FORMAT_RGBA_UINT32
,
228 /* msb <------ TEXEL BITS -----------> lsb */
229 /* ---- ---- ---- ---- ---- ---- ---- ---- */
231 * \name Signed fixed point texture formats.
234 MESA_FORMAT_DUDV8
, /* DUDU DUDU DVDV DVDV */
235 MESA_FORMAT_SIGNED_R8
, /* RRRR RRRR */
236 MESA_FORMAT_SIGNED_RG88_REV
, /* GGGG GGGG RRRR RRRR */
237 MESA_FORMAT_SIGNED_RGBX8888
, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */
238 MESA_FORMAT_SIGNED_RGBA8888
, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
239 MESA_FORMAT_SIGNED_RGBA8888_REV
,/*AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
240 MESA_FORMAT_SIGNED_R16
, /* RRRR RRRR RRRR RRRR */
241 MESA_FORMAT_SIGNED_GR1616
, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
242 MESA_FORMAT_SIGNED_RGB_16
, /* ushort[0]=R, ushort[1]=G, ushort[2]=B */
243 MESA_FORMAT_SIGNED_RGBA_16
, /* ... */
244 MESA_FORMAT_RGBA_16
, /* ... */
248 MESA_FORMAT_RED_RGTC1
,
249 MESA_FORMAT_SIGNED_RED_RGTC1
,
250 MESA_FORMAT_RG_RGTC2
,
251 MESA_FORMAT_SIGNED_RG_RGTC2
,
256 MESA_FORMAT_SIGNED_L_LATC1
,
257 MESA_FORMAT_LA_LATC2
,
258 MESA_FORMAT_SIGNED_LA_LATC2
,
261 MESA_FORMAT_ETC1_RGB8
,
263 MESA_FORMAT_SIGNED_A8
, /* AAAA AAAA */
264 MESA_FORMAT_SIGNED_L8
, /* LLLL LLLL */
265 MESA_FORMAT_SIGNED_AL88
, /* AAAA AAAA LLLL LLLL */
266 MESA_FORMAT_SIGNED_I8
, /* IIII IIII */
267 MESA_FORMAT_SIGNED_A16
, /* AAAA AAAA AAAA AAAA */
268 MESA_FORMAT_SIGNED_L16
, /* LLLL LLLL LLLL LLLL */
269 MESA_FORMAT_SIGNED_AL1616
, /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */
270 MESA_FORMAT_SIGNED_I16
, /* IIII IIII IIII IIII */
272 MESA_FORMAT_RGB9_E5_FLOAT
,
273 MESA_FORMAT_R11_G11_B10_FLOAT
,
275 MESA_FORMAT_Z32_FLOAT
,
276 MESA_FORMAT_Z32_FLOAT_X24S8
,
278 MESA_FORMAT_ARGB2101010_UINT
,
285 _mesa_get_format_name(gl_format format
);
288 _mesa_get_format_bytes(gl_format format
);
291 _mesa_get_format_bits(gl_format format
, GLenum pname
);
294 _mesa_get_format_max_bits(gl_format format
);
297 _mesa_get_format_datatype(gl_format format
);
300 _mesa_get_format_base_format(gl_format format
);
303 _mesa_get_format_block_size(gl_format format
, GLuint
*bw
, GLuint
*bh
);
306 _mesa_is_format_compressed(gl_format format
);
309 _mesa_is_format_packed_depth_stencil(gl_format format
);
312 _mesa_is_format_integer_color(gl_format format
);
315 _mesa_is_format_unsigned(gl_format format
);
318 _mesa_get_format_color_encoding(gl_format format
);
321 _mesa_format_image_size(gl_format format
, GLsizei width
,
322 GLsizei height
, GLsizei depth
);
325 _mesa_format_image_size64(gl_format format
, GLsizei width
,
326 GLsizei height
, GLsizei depth
);
329 _mesa_format_row_stride(gl_format format
, GLsizei width
);
332 _mesa_format_to_type_and_comps(gl_format format
,
333 GLenum
*datatype
, GLuint
*comps
);
336 _mesa_test_formats(void);
339 _mesa_get_srgb_format_linear(gl_format format
);
342 _mesa_get_uncompressed_format(gl_format format
);
345 _mesa_format_num_components(gl_format format
);
348 _mesa_format_matches_format_and_type(gl_format gl_format
,
349 GLenum format
, GLenum type
,
350 GLboolean swapBytes
);
356 #endif /* FORMATS_H */