2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (c) 2008-2009 VMware, Inc.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
47 * OpenGL doesn't have GL_UNSIGNED_BYTE_4_4, so we must define our own type
48 * for GL_LUMINANCE4_ALPHA4.
50 #define MESA_UNSIGNED_BYTE_4_4 (GL_UNSIGNED_BYTE<<1)
54 * Max number of bytes for any non-compressed pixel format below, or for
55 * intermediate pixel storage in Mesa. This should never be less than
56 * 16. Maybe 32 someday?
58 #define MAX_PIXEL_BYTES 16
61 * Specifies the layout of a pixel format. See the MESA_FORMAT
62 * documentation below.
64 enum mesa_format_layout
{
65 MESA_FORMAT_LAYOUT_ARRAY
,
66 MESA_FORMAT_LAYOUT_PACKED
,
67 MESA_FORMAT_LAYOUT_OTHER
,
71 * An enum representing different possible swizzling values. This is used
72 * to interpret the output of _mesa_get_format_swizzle
75 MESA_FORMAT_SWIZZLE_X
= 0,
76 MESA_FORMAT_SWIZZLE_Y
= 1,
77 MESA_FORMAT_SWIZZLE_Z
= 2,
78 MESA_FORMAT_SWIZZLE_W
= 3,
79 MESA_FORMAT_SWIZZLE_ZERO
= 4,
80 MESA_FORMAT_SWIZZLE_ONE
= 5,
81 MESA_FORMAT_SWIZZLE_NONE
= 6,
85 * An uint32_t that encodes the information necessary to represent an
88 typedef uint32_t mesa_array_format
;
91 * Encoding for valid array format data types
93 enum mesa_array_format_datatype
{
94 MESA_ARRAY_FORMAT_TYPE_UBYTE
= 0x0,
95 MESA_ARRAY_FORMAT_TYPE_USHORT
= 0x1,
96 MESA_ARRAY_FORMAT_TYPE_UINT
= 0x2,
97 MESA_ARRAY_FORMAT_TYPE_BYTE
= 0x4,
98 MESA_ARRAY_FORMAT_TYPE_SHORT
= 0x5,
99 MESA_ARRAY_FORMAT_TYPE_INT
= 0x6,
100 MESA_ARRAY_FORMAT_TYPE_HALF
= 0xd,
101 MESA_ARRAY_FORMAT_TYPE_FLOAT
= 0xe,
105 * An enum useful to encode/decode information stored in a mesa_array_format
108 MESA_ARRAY_FORMAT_TYPE_IS_SIGNED
= 0x4,
109 MESA_ARRAY_FORMAT_TYPE_IS_FLOAT
= 0x8,
110 MESA_ARRAY_FORMAT_TYPE_NORMALIZED
= 0x10,
111 MESA_ARRAY_FORMAT_DATATYPE_MASK
= 0xf,
112 MESA_ARRAY_FORMAT_TYPE_MASK
= 0x1f,
113 MESA_ARRAY_FORMAT_TYPE_SIZE_MASK
= 0x3,
114 MESA_ARRAY_FORMAT_NUM_CHANS_MASK
= 0xe0,
115 MESA_ARRAY_FORMAT_SWIZZLE_X_MASK
= 0x00700,
116 MESA_ARRAY_FORMAT_SWIZZLE_Y_MASK
= 0x03800,
117 MESA_ARRAY_FORMAT_SWIZZLE_Z_MASK
= 0x1c000,
118 MESA_ARRAY_FORMAT_SWIZZLE_W_MASK
= 0xe0000,
119 MESA_ARRAY_FORMAT_BIT
= 0x80000000
122 #define MESA_ARRAY_FORMAT(SIZE, SIGNED, IS_FLOAT, NORM, NUM_CHANS, \
123 SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W) ( \
124 (((SIZE >> 1) ) & MESA_ARRAY_FORMAT_TYPE_SIZE_MASK) | \
125 (((SIGNED) << 2 ) & MESA_ARRAY_FORMAT_TYPE_IS_SIGNED) | \
126 (((IS_FLOAT) << 3 ) & MESA_ARRAY_FORMAT_TYPE_IS_FLOAT) | \
127 (((NORM) << 4 ) & MESA_ARRAY_FORMAT_TYPE_NORMALIZED) | \
128 (((NUM_CHANS) << 5 ) & MESA_ARRAY_FORMAT_NUM_CHANS_MASK) | \
129 (((SWIZZLE_X) << 8 ) & MESA_ARRAY_FORMAT_SWIZZLE_X_MASK) | \
130 (((SWIZZLE_Y) << 11) & MESA_ARRAY_FORMAT_SWIZZLE_Y_MASK) | \
131 (((SWIZZLE_Z) << 14) & MESA_ARRAY_FORMAT_SWIZZLE_Z_MASK) | \
132 (((SWIZZLE_W) << 17) & MESA_ARRAY_FORMAT_SWIZZLE_W_MASK) | \
133 MESA_ARRAY_FORMAT_BIT)
136 * Various helpers to access the data encoded in a mesa_array_format
139 _mesa_array_format_is_signed(mesa_array_format f
)
141 return (f
& MESA_ARRAY_FORMAT_TYPE_IS_SIGNED
) != 0;
145 _mesa_array_format_is_float(mesa_array_format f
)
147 return (f
& MESA_ARRAY_FORMAT_TYPE_IS_FLOAT
) != 0;
151 _mesa_array_format_is_normalized(mesa_array_format f
)
153 return (f
& MESA_ARRAY_FORMAT_TYPE_NORMALIZED
) !=0;
156 static inline enum mesa_array_format_datatype
157 _mesa_array_format_get_datatype(mesa_array_format f
)
159 return (enum mesa_array_format_datatype
)
160 (f
& MESA_ARRAY_FORMAT_DATATYPE_MASK
);
164 _mesa_array_format_datatype_get_size(enum mesa_array_format_datatype type
)
166 return 1 << (type
& MESA_ARRAY_FORMAT_TYPE_SIZE_MASK
);
170 _mesa_array_format_get_type_size(mesa_array_format f
)
172 return 1 << (f
& MESA_ARRAY_FORMAT_TYPE_SIZE_MASK
);
176 _mesa_array_format_get_num_channels(mesa_array_format f
)
178 return (f
& MESA_ARRAY_FORMAT_NUM_CHANS_MASK
) >> 5;
182 _mesa_array_format_get_swizzle(mesa_array_format f
, uint8_t *swizzle
)
184 swizzle
[0] = (f
& MESA_ARRAY_FORMAT_SWIZZLE_X_MASK
) >> 8;
185 swizzle
[1] = (f
& MESA_ARRAY_FORMAT_SWIZZLE_Y_MASK
) >> 11;
186 swizzle
[2] = (f
& MESA_ARRAY_FORMAT_SWIZZLE_Z_MASK
) >> 14;
187 swizzle
[3] = (f
& MESA_ARRAY_FORMAT_SWIZZLE_W_MASK
) >> 17;
191 _mesa_array_format_set_swizzle(mesa_array_format
*f
,
192 int32_t x
, int32_t y
, int32_t z
, int32_t w
)
194 *f
|= ((x
<< 8 ) & MESA_ARRAY_FORMAT_SWIZZLE_X_MASK
) |
195 ((y
<< 11) & MESA_ARRAY_FORMAT_SWIZZLE_Y_MASK
) |
196 ((z
<< 14) & MESA_ARRAY_FORMAT_SWIZZLE_Z_MASK
) |
197 ((w
<< 17) & MESA_ARRAY_FORMAT_SWIZZLE_W_MASK
);
201 * A helper to know if the format stored in a uint32_t is a mesa_format
202 * or a mesa_array_format
205 _mesa_format_is_mesa_array_format(uint32_t f
)
207 return (f
& MESA_ARRAY_FORMAT_BIT
) != 0;
211 * Mesa texture/renderbuffer image formats.
215 MESA_FORMAT_NONE
= 0,
218 * \name Basic hardware formats
220 * The mesa format name specification is as follows:
222 * There shall be 3 naming format base types: those for component array
223 * formats (type A); those for compressed formats (type C); and those for
224 * packed component formats (type P). With type A formats, color component
225 * order does not change with endianess. Each format name shall begin with
226 * MESA_FORMAT_, followed by a component label (from the Component Label
227 * list below) for each component in the order that the component(s) occur
228 * in the format, except for non-linear color formats where the first
229 * letter shall be 'S'. For type P formats, each component label is
230 * followed by the number of bits that represent it in the fundamental
231 * data type used by the format.
233 * Following the listing of the component labels shall be an underscore; a
234 * compression type followed by an underscore for Type C formats only; a
235 * storage type from the list below; and a bit with for type A formats,
236 * which is the bit width for each array element.
239 * ---------- Format Base Type A: Array ----------
240 * MESA_FORMAT_[component list]_[storage type][array element bit width]
243 * MESA_FORMAT_A_SNORM8 - uchar[i] = A
244 * MESA_FORMAT_RGBA_16 - ushort[i * 4 + 0] = R, ushort[i * 4 + 1] = G,
245 * ushort[i * 4 + 2] = B, ushort[i * 4 + 3] = A
246 * MESA_FORMAT_Z_UNORM32 - float[i] = Z
250 * ---------- Format Base Type C: Compressed ----------
251 * MESA_FORMAT_[component list*][_*][compression type][storage type*]
255 * MESA_FORMAT_RGB_ETC1
256 * MESA_FORMAT_RGBA_ETC2
257 * MESA_FORMAT_LATC1_UNORM
258 * MESA_FORMAT_RGBA_FXT1
262 * ---------- Format Base Type P: Packed ----------
263 * MESA_FORMAT_[[component list,bit width][storage type*][_]][_][storage type**]
264 * * when type differs between component
265 * ** when type applies to all components
267 * examples: msb <------ TEXEL BITS -----------> lsb
268 * MESA_FORMAT_A8B8G8R8_UNORM, RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA
269 * MESA_FORMAT_R5G6B5_UNORM BBBB BGGG GGGR RRRR
270 * MESA_FORMAT_B4G4R4X4_UNORM XXXX RRRR GGGG BBBB
271 * MESA_FORMAT_Z32_FLOAT_S8X24_UINT
272 * MESA_FORMAT_R10G10B10A2_UINT
273 * MESA_FORMAT_R9G9B9E5_FLOAT
277 * ---------- Component Labels: ----------
282 * E - Shared Exponent
287 * S - Stencil (when not followed by RGB or RGBA)
296 * ---------- Type C Compression Types: ----------
297 * DXT1 - Color component labels shall be given
298 * DXT3 - Color component labels shall be given
299 * DXT5 - Color component labels shall be given
300 * ETC1 - No other information required
301 * ETC2 - No other information required
302 * FXT1 - Color component labels shall be given
303 * FXT3 - Color component labels shall be given
304 * LATC1 - Fundamental data type shall be given
305 * LATC2 - Fundamental data type shall be given
306 * RGTC1 - Color component labels and data type shall be given
307 * RGTC2 - Color component labels and data type shall be given
311 * ---------- Storage Types: ----------
317 * SRGB - RGB components, or L are UNORMs in sRGB color space.
318 * Alpha, if present is linear.
322 /* Packed unorm formats */ /* msb <------ TEXEL BITS -----------> lsb */
323 /* ---- ---- ---- ---- ---- ---- ---- ---- */
324 MESA_FORMAT_A8B8G8R8_UNORM
, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
325 MESA_FORMAT_X8B8G8R8_UNORM
, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */
326 MESA_FORMAT_R8G8B8A8_UNORM
, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
327 MESA_FORMAT_R8G8B8X8_UNORM
, /* xxxx xxxx BBBB BBBB GGGG GGGG RRRR RRRR */
328 MESA_FORMAT_B8G8R8A8_UNORM
, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
329 MESA_FORMAT_B8G8R8X8_UNORM
, /* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
330 MESA_FORMAT_A8R8G8B8_UNORM
, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
331 MESA_FORMAT_X8R8G8B8_UNORM
, /* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */
332 MESA_FORMAT_L16A16_UNORM
, /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */
333 MESA_FORMAT_A16L16_UNORM
, /* LLLL LLLL LLLL LLLL AAAA AAAA AAAA AAAA */
334 MESA_FORMAT_B5G6R5_UNORM
, /* RRRR RGGG GGGB BBBB */
335 MESA_FORMAT_R5G6B5_UNORM
, /* BBBB BGGG GGGR RRRR */
336 MESA_FORMAT_B4G4R4A4_UNORM
, /* AAAA RRRR GGGG BBBB */
337 MESA_FORMAT_B4G4R4X4_UNORM
, /* xxxx RRRR GGGG BBBB */
338 MESA_FORMAT_A4R4G4B4_UNORM
, /* BBBB GGGG RRRR AAAA */
339 MESA_FORMAT_A1B5G5R5_UNORM
, /* RRRR RGGG GGBB BBBA */
340 MESA_FORMAT_B5G5R5A1_UNORM
, /* ARRR RRGG GGGB BBBB */
341 MESA_FORMAT_B5G5R5X1_UNORM
, /* xRRR RRGG GGGB BBBB */
342 MESA_FORMAT_A1R5G5B5_UNORM
, /* BBBB BGGG GGRR RRRA */
343 MESA_FORMAT_L8A8_UNORM
, /* AAAA AAAA LLLL LLLL */
344 MESA_FORMAT_A8L8_UNORM
, /* LLLL LLLL AAAA AAAA */
345 MESA_FORMAT_R8G8_UNORM
, /* GGGG GGGG RRRR RRRR */
346 MESA_FORMAT_G8R8_UNORM
, /* RRRR RRRR GGGG GGGG */
347 MESA_FORMAT_L4A4_UNORM
, /* AAAA LLLL */
348 MESA_FORMAT_B2G3R3_UNORM
, /* RRRG GGBB */
350 MESA_FORMAT_R16G16_UNORM
, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
351 MESA_FORMAT_G16R16_UNORM
, /* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */
352 MESA_FORMAT_B10G10R10A2_UNORM
,/* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
353 MESA_FORMAT_B10G10R10X2_UNORM
,/* xxRR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
354 MESA_FORMAT_R10G10B10A2_UNORM
,/* AABB BBBB BBBB GGGG GGGG GGRR RRRR RRRR */
356 MESA_FORMAT_S8_UINT_Z24_UNORM
,/* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ SSSS SSSS */
357 MESA_FORMAT_X8_UINT_Z24_UNORM
,/* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */
358 MESA_FORMAT_Z24_UNORM_S8_UINT
,/* SSSS SSSS ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
359 MESA_FORMAT_Z24_UNORM_X8_UINT
,/* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
362 MESA_FORMAT_R3G3B2_UNORM
, /* BBGG GRRR */
363 MESA_FORMAT_A4B4G4R4_UNORM
, /* RRRR GGGG BBBB AAAA */
364 MESA_FORMAT_R4G4B4A4_UNORM
, /* AAAA BBBB GGGG RRRR */
365 MESA_FORMAT_R5G5B5A1_UNORM
, /* ABBB BBGG GGGR RRRR */
366 MESA_FORMAT_A2B10G10R10_UNORM
,/* RRRR RRRR RRGG GGGG GGGG BBBB BBBB BBAA */
367 MESA_FORMAT_A2R10G10B10_UNORM
,/* BBBB BBBB BBGG GGGG GGGG RRRR RRRR RRAA */
369 MESA_FORMAT_YCBCR
, /* YYYY YYYY UorV UorV */
370 MESA_FORMAT_YCBCR_REV
, /* UorV UorV YYYY YYYY */
372 /* Array unorm formats */
373 MESA_FORMAT_A_UNORM8
, /* ubyte[i] = A */
374 MESA_FORMAT_A_UNORM16
, /* ushort[i] = A */
375 MESA_FORMAT_L_UNORM8
, /* ubyte[i] = L */
376 MESA_FORMAT_L_UNORM16
, /* ushort[i] = L */
377 MESA_FORMAT_I_UNORM8
, /* ubyte[i] = I */
378 MESA_FORMAT_I_UNORM16
, /* ushort[i] = I */
379 MESA_FORMAT_R_UNORM8
, /* ubyte[i] = R */
380 MESA_FORMAT_R_UNORM16
, /* ushort[i] = R */
381 MESA_FORMAT_BGR_UNORM8
, /* ubyte[i*3] = B, [i*3+1] = G, [i*3+2] = R */
382 MESA_FORMAT_RGB_UNORM8
, /* ubyte[i*3] = R, [i*3+1] = G, [i*3+2] = B */
383 MESA_FORMAT_RGBA_UNORM16
, /* ushort[i] = R, [1] = G, [2] = B, [3] = A */
384 MESA_FORMAT_RGBX_UNORM16
,
386 MESA_FORMAT_Z_UNORM16
, /* ushort[i] = Z */
387 MESA_FORMAT_Z_UNORM32
, /* uint[i] = Z */
388 MESA_FORMAT_S_UINT8
, /* ubyte[i] = S */
390 /* Packed signed/normalized formats */
391 /* msb <------ TEXEL BITS -----------> lsb */
392 /* ---- ---- ---- ---- ---- ---- ---- ---- */
393 MESA_FORMAT_A8B8G8R8_SNORM
, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
394 MESA_FORMAT_X8B8G8R8_SNORM
, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */
395 MESA_FORMAT_R8G8B8A8_SNORM
, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
396 MESA_FORMAT_R8G8B8X8_SNORM
, /* xxxx xxxx BBBB BBBB GGGG GGGG RRRR RRRR */
397 MESA_FORMAT_R16G16_SNORM
, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
398 MESA_FORMAT_G16R16_SNORM
, /* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */
399 MESA_FORMAT_R8G8_SNORM
, /* GGGG GGGG RRRR RRRR */
400 MESA_FORMAT_G8R8_SNORM
, /* RRRR RRRR GGGG GGGG */
401 MESA_FORMAT_L8A8_SNORM
, /* AAAA AAAA LLLL LLLL */
402 MESA_FORMAT_A8L8_SNORM
, /* LLLL LLLL AAAA AAAA */
404 /* Array signed/normalized formats */
405 MESA_FORMAT_A_SNORM8
, /* byte[i] = A */
406 MESA_FORMAT_A_SNORM16
, /* short[i] = A */
407 MESA_FORMAT_L_SNORM8
, /* byte[i] = L */
408 MESA_FORMAT_L_SNORM16
, /* short[i] = L */
409 MESA_FORMAT_I_SNORM8
, /* byte[i] = I */
410 MESA_FORMAT_I_SNORM16
, /* short[i] = I */
411 MESA_FORMAT_R_SNORM8
, /* byte[i] = R */
412 MESA_FORMAT_R_SNORM16
, /* short[i] = R */
413 MESA_FORMAT_LA_SNORM16
, /* short[i * 2] = L, [i * 2 + 1] = A */
414 MESA_FORMAT_RGB_SNORM16
, /* short[i*3] = R, [i*3+1] = G, [i*3+2] = B */
415 MESA_FORMAT_RGBA_SNORM16
, /* ... */
416 MESA_FORMAT_RGBX_SNORM16
, /* ... */
418 /* Packed sRGB formats */
419 MESA_FORMAT_A8B8G8R8_SRGB
, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
420 MESA_FORMAT_B8G8R8A8_SRGB
, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
421 MESA_FORMAT_A8R8G8B8_SRGB
, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
422 MESA_FORMAT_B8G8R8X8_SRGB
, /* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
423 MESA_FORMAT_X8R8G8B8_SRGB
, /* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */
424 MESA_FORMAT_R8G8B8A8_SRGB
, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
425 MESA_FORMAT_R8G8B8X8_SRGB
, /* xxxx xxxx BBBB BBBB GGGG GGGG RRRR RRRR */
426 MESA_FORMAT_X8B8G8R8_SRGB
, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */
427 MESA_FORMAT_L8A8_SRGB
, /* AAAA AAAA LLLL LLLL */
428 MESA_FORMAT_A8L8_SRGB
, /* LLLL LLLL AAAA AAAA */
430 /* Array sRGB formats */
431 MESA_FORMAT_L_SRGB8
, /* ubyte[i] = L */
432 MESA_FORMAT_BGR_SRGB8
, /* ubyte[i*3] = B, [i*3+1] = G, [i*3+2] = R */
434 /* Packed float formats */
435 MESA_FORMAT_R9G9B9E5_FLOAT
,
436 MESA_FORMAT_R11G11B10_FLOAT
, /* BBBB BBBB BBGG GGGG GGGG GRRR RRRR RRRR */
437 MESA_FORMAT_Z32_FLOAT_S8X24_UINT
, /* (float, x24s8) */
439 /* Array float formats */
440 MESA_FORMAT_A_FLOAT16
,
441 MESA_FORMAT_A_FLOAT32
,
442 MESA_FORMAT_L_FLOAT16
,
443 MESA_FORMAT_L_FLOAT32
,
444 MESA_FORMAT_LA_FLOAT16
,
445 MESA_FORMAT_LA_FLOAT32
,
446 MESA_FORMAT_I_FLOAT16
,
447 MESA_FORMAT_I_FLOAT32
,
448 MESA_FORMAT_R_FLOAT16
,
449 MESA_FORMAT_R_FLOAT32
,
450 MESA_FORMAT_RG_FLOAT16
,
451 MESA_FORMAT_RG_FLOAT32
,
452 MESA_FORMAT_RGB_FLOAT16
,
453 MESA_FORMAT_RGB_FLOAT32
,
454 MESA_FORMAT_RGBA_FLOAT16
,
455 MESA_FORMAT_RGBA_FLOAT32
, /* float[0] = R, [1] = G, [2] = B, [3] = A */
456 MESA_FORMAT_RGBX_FLOAT16
,
457 MESA_FORMAT_RGBX_FLOAT32
,
458 MESA_FORMAT_Z_FLOAT32
,
460 /* Packed signed/unsigned non-normalized integer formats */
461 MESA_FORMAT_B10G10R10A2_UINT
, /* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
462 MESA_FORMAT_R10G10B10A2_UINT
, /* AABB BBBB BBBB GGGG GGGG GGRR RRRR RRRR */
463 MESA_FORMAT_A2B10G10R10_UINT
, /* RRRR RRRR RRGG GGGG GGGG BBBB BBBB BBAA */
464 MESA_FORMAT_A2R10G10B10_UINT
, /* BBBB BBBB BBGG GGGG GGGG RRRR RRRR RRAA */
466 /* Array signed/unsigned non-normalized integer formats */
468 MESA_FORMAT_A_UINT16
,
469 MESA_FORMAT_A_UINT32
,
471 MESA_FORMAT_A_SINT16
,
472 MESA_FORMAT_A_SINT32
,
475 MESA_FORMAT_I_UINT16
,
476 MESA_FORMAT_I_UINT32
,
478 MESA_FORMAT_I_SINT16
,
479 MESA_FORMAT_I_SINT32
,
482 MESA_FORMAT_L_UINT16
,
483 MESA_FORMAT_L_UINT32
,
485 MESA_FORMAT_L_SINT16
,
486 MESA_FORMAT_L_SINT32
,
488 MESA_FORMAT_LA_UINT8
,
489 MESA_FORMAT_LA_UINT16
,
490 MESA_FORMAT_LA_UINT32
,
491 MESA_FORMAT_LA_SINT8
,
492 MESA_FORMAT_LA_SINT16
,
493 MESA_FORMAT_LA_SINT32
,
496 MESA_FORMAT_R_UINT16
,
497 MESA_FORMAT_R_UINT32
,
499 MESA_FORMAT_R_SINT16
,
500 MESA_FORMAT_R_SINT32
,
502 MESA_FORMAT_RG_UINT8
,
503 MESA_FORMAT_RG_UINT16
,
504 MESA_FORMAT_RG_UINT32
,
505 MESA_FORMAT_RG_SINT8
,
506 MESA_FORMAT_RG_SINT16
,
507 MESA_FORMAT_RG_SINT32
,
509 MESA_FORMAT_RGB_UINT8
,
510 MESA_FORMAT_RGB_UINT16
,
511 MESA_FORMAT_RGB_UINT32
,
512 MESA_FORMAT_RGB_SINT8
,
513 MESA_FORMAT_RGB_SINT16
,
514 MESA_FORMAT_RGB_SINT32
,
516 MESA_FORMAT_RGBA_UINT8
,
517 MESA_FORMAT_RGBA_UINT16
,
518 MESA_FORMAT_RGBA_UINT32
,
519 MESA_FORMAT_RGBA_SINT8
,
520 MESA_FORMAT_RGBA_SINT16
,
521 MESA_FORMAT_RGBA_SINT32
,
523 MESA_FORMAT_RGBX_UINT8
,
524 MESA_FORMAT_RGBX_UINT16
,
525 MESA_FORMAT_RGBX_UINT32
,
526 MESA_FORMAT_RGBX_SINT8
,
527 MESA_FORMAT_RGBX_SINT16
,
528 MESA_FORMAT_RGBX_SINT32
,
530 /* DXT compressed formats */
531 MESA_FORMAT_RGB_DXT1
,
532 MESA_FORMAT_RGBA_DXT1
,
533 MESA_FORMAT_RGBA_DXT3
,
534 MESA_FORMAT_RGBA_DXT5
,
536 /* DXT sRGB compressed formats */
537 MESA_FORMAT_SRGB_DXT1
,
538 MESA_FORMAT_SRGBA_DXT1
,
539 MESA_FORMAT_SRGBA_DXT3
,
540 MESA_FORMAT_SRGBA_DXT5
,
542 /* FXT1 compressed formats */
543 MESA_FORMAT_RGB_FXT1
,
544 MESA_FORMAT_RGBA_FXT1
,
546 /* RGTC compressed formats */
547 MESA_FORMAT_R_RGTC1_UNORM
,
548 MESA_FORMAT_R_RGTC1_SNORM
,
549 MESA_FORMAT_RG_RGTC2_UNORM
,
550 MESA_FORMAT_RG_RGTC2_SNORM
,
552 /* LATC1/2 compressed formats */
553 MESA_FORMAT_L_LATC1_UNORM
,
554 MESA_FORMAT_L_LATC1_SNORM
,
555 MESA_FORMAT_LA_LATC2_UNORM
,
556 MESA_FORMAT_LA_LATC2_SNORM
,
558 /* ETC1/2 compressed formats */
559 MESA_FORMAT_ETC1_RGB8
,
560 MESA_FORMAT_ETC2_RGB8
,
561 MESA_FORMAT_ETC2_SRGB8
,
562 MESA_FORMAT_ETC2_RGBA8_EAC
,
563 MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC
,
564 MESA_FORMAT_ETC2_R11_EAC
,
565 MESA_FORMAT_ETC2_RG11_EAC
,
566 MESA_FORMAT_ETC2_SIGNED_R11_EAC
,
567 MESA_FORMAT_ETC2_SIGNED_RG11_EAC
,
568 MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1
,
569 MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1
,
571 /* BPTC compressed formats */
572 MESA_FORMAT_BPTC_RGBA_UNORM
,
573 MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM
,
574 MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT
,
575 MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT
,
582 _mesa_get_format_name(mesa_format format
);
585 _mesa_get_format_bytes(mesa_format format
);
588 _mesa_get_format_bits(mesa_format format
, GLenum pname
);
591 _mesa_get_format_max_bits(mesa_format format
);
593 extern enum mesa_format_layout
594 _mesa_get_format_layout(mesa_format format
);
597 _mesa_get_format_datatype(mesa_format format
);
600 _mesa_get_format_base_format(uint32_t format
);
603 _mesa_get_format_block_size(mesa_format format
, GLuint
*bw
, GLuint
*bh
);
605 extern mesa_array_format
606 _mesa_array_format_flip_channels(mesa_array_format format
);
609 _mesa_get_format_swizzle(mesa_format format
, uint8_t swizzle_out
[4]);
612 _mesa_format_to_array_format(mesa_format format
);
615 _mesa_format_from_array_format(uint32_t array_format
);
618 _mesa_is_format_compressed(mesa_format format
);
621 _mesa_is_format_packed_depth_stencil(mesa_format format
);
624 _mesa_is_format_integer_color(mesa_format format
);
627 _mesa_is_format_unsigned(mesa_format format
);
630 _mesa_is_format_signed(mesa_format format
);
633 _mesa_is_format_integer(mesa_format format
);
636 _mesa_is_format_etc2(mesa_format format
);
639 _mesa_is_format_color_format(mesa_format format
);
642 _mesa_get_format_color_encoding(mesa_format format
);
645 _mesa_format_image_size(mesa_format format
, GLsizei width
,
646 GLsizei height
, GLsizei depth
);
649 _mesa_format_image_size64(mesa_format format
, GLsizei width
,
650 GLsizei height
, GLsizei depth
);
653 _mesa_format_row_stride(mesa_format format
, GLsizei width
);
656 _mesa_format_to_type_and_comps(mesa_format format
,
657 GLenum
*datatype
, GLuint
*comps
);
660 _mesa_test_formats(void);
663 _mesa_get_srgb_format_linear(mesa_format format
);
666 _mesa_get_uncompressed_format(mesa_format format
);
669 _mesa_format_num_components(mesa_format format
);
672 _mesa_format_has_color_component(mesa_format format
, int component
);
675 _mesa_format_matches_format_and_type(mesa_format mesa_format
,
676 GLenum format
, GLenum type
,
677 GLboolean swapBytes
);
683 #endif /* FORMATS_H */