2 * Mesa 3-D graphics library
4 * Copyright (c) 2011 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 "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
27 * Color, depth, stencil packing functions.
28 * Used to pack basic color, depth and stencil formats to specific
31 * There are both per-pixel and per-row packing functions:
32 * - The former will be used by swrast to write values to the color, depth,
33 * stencil buffers when drawing points, lines and masked spans.
34 * - The later will be used for image-oriented functions like glDrawPixels,
35 * glAccum, and glTexImage.
40 #include "format_pack.h"
42 #include "../../gallium/auxiliary/util/u_format_rgb9e5.h"
43 #include "../../gallium/auxiliary/util/u_format_r11g11b10f.h"
44 #include "util/format_srgb.h"
47 /** Helper struct for MESA_FORMAT_Z32_FLOAT_S8X24_UINT */
55 typedef void (*pack_ubyte_rgba_row_func
)(GLuint n
,
56 const GLubyte src
[][4], void *dst
);
58 typedef void (*pack_float_rgba_row_func
)(GLuint n
,
59 const GLfloat src
[][4], void *dst
);
63 * MESA_FORMAT_A8B8G8R8_UNORM
67 pack_ubyte_A8B8G8R8_UNORM(const GLubyte src
[4], void *dst
)
69 GLuint
*d
= ((GLuint
*) dst
);
70 *d
= PACK_COLOR_8888(src
[RCOMP
], src
[GCOMP
], src
[BCOMP
], src
[ACOMP
]);
74 pack_float_A8B8G8R8_UNORM(const GLfloat src
[4], void *dst
)
77 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
78 pack_ubyte_A8B8G8R8_UNORM(v
, dst
);
82 pack_row_ubyte_A8B8G8R8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
84 GLuint
*d
= ((GLuint
*) dst
);
86 for (i
= 0; i
< n
; i
++) {
87 d
[i
] = PACK_COLOR_8888(src
[i
][RCOMP
], src
[i
][GCOMP
],
88 src
[i
][BCOMP
], src
[i
][ACOMP
]);
93 pack_row_float_A8B8G8R8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
95 GLuint
*d
= ((GLuint
*) dst
);
97 for (i
= 0; i
< n
; i
++) {
99 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
100 pack_ubyte_A8B8G8R8_UNORM(v
, d
+ i
);
107 * MESA_FORMAT_R8G8B8A8_UNORM
111 pack_ubyte_R8G8B8A8_UNORM(const GLubyte src
[4], void *dst
)
113 GLuint
*d
= ((GLuint
*) dst
);
114 *d
= PACK_COLOR_8888(src
[ACOMP
], src
[BCOMP
], src
[GCOMP
], src
[RCOMP
]);
118 pack_float_R8G8B8A8_UNORM(const GLfloat src
[4], void *dst
)
121 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
122 pack_ubyte_R8G8B8A8_UNORM(v
, dst
);
126 pack_row_ubyte_R8G8B8A8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
128 GLuint
*d
= ((GLuint
*) dst
);
130 for (i
= 0; i
< n
; i
++) {
131 d
[i
] = PACK_COLOR_8888(src
[i
][ACOMP
], src
[i
][BCOMP
],
132 src
[i
][GCOMP
], src
[i
][RCOMP
]);
137 pack_row_float_R8G8B8A8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
139 GLuint
*d
= ((GLuint
*) dst
);
141 for (i
= 0; i
< n
; i
++) {
143 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
144 pack_ubyte_R8G8B8A8_UNORM(v
, d
+ i
);
150 * MESA_FORMAT_B8G8R8A8_UNORM
154 pack_ubyte_B8G8R8A8_UNORM(const GLubyte src
[4], void *dst
)
156 GLuint
*d
= ((GLuint
*) dst
);
157 *d
= PACK_COLOR_8888(src
[ACOMP
], src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
161 pack_float_B8G8R8A8_UNORM(const GLfloat src
[4], void *dst
)
164 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
165 pack_ubyte_B8G8R8A8_UNORM(v
, dst
);
169 pack_row_ubyte_B8G8R8A8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
171 GLuint
*d
= ((GLuint
*) dst
);
173 for (i
= 0; i
< n
; i
++) {
174 d
[i
] = PACK_COLOR_8888(src
[i
][ACOMP
], src
[i
][RCOMP
],
175 src
[i
][GCOMP
], src
[i
][BCOMP
]);
180 pack_row_float_B8G8R8A8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
182 GLuint
*d
= ((GLuint
*) dst
);
184 for (i
= 0; i
< n
; i
++) {
186 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
187 pack_ubyte_B8G8R8A8_UNORM(v
, d
+ i
);
193 * MESA_FORMAT_A8R8G8B8_UNORM
197 pack_ubyte_A8R8G8B8_UNORM(const GLubyte src
[4], void *dst
)
199 GLuint
*d
= ((GLuint
*) dst
);
200 *d
= PACK_COLOR_8888(src
[BCOMP
], src
[GCOMP
], src
[RCOMP
], src
[ACOMP
]);
204 pack_float_A8R8G8B8_UNORM(const GLfloat src
[4], void *dst
)
207 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
208 pack_ubyte_A8R8G8B8_UNORM(v
, dst
);
212 pack_row_ubyte_A8R8G8B8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
214 GLuint
*d
= ((GLuint
*) dst
);
216 for (i
= 0; i
< n
; i
++) {
217 d
[i
] = PACK_COLOR_8888(src
[i
][BCOMP
], src
[i
][GCOMP
],
218 src
[i
][RCOMP
], src
[i
][ACOMP
]);
223 pack_row_float_A8R8G8B8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
225 GLuint
*d
= ((GLuint
*) dst
);
227 for (i
= 0; i
< n
; i
++) {
229 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
230 pack_ubyte_A8R8G8B8_UNORM(v
, d
+ i
);
236 * MESA_FORMAT_B8G8R8X8_UNORM
240 pack_ubyte_B8G8R8X8_UNORM(const GLubyte src
[4], void *dst
)
242 GLuint
*d
= ((GLuint
*) dst
);
243 *d
= PACK_COLOR_8888(0x0, src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
247 pack_float_B8G8R8X8_UNORM(const GLfloat src
[4], void *dst
)
250 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
251 pack_ubyte_B8G8R8X8_UNORM(v
, dst
);
255 pack_row_ubyte_B8G8R8X8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
257 GLuint
*d
= ((GLuint
*) dst
);
259 for (i
= 0; i
< n
; i
++) {
260 d
[i
] = PACK_COLOR_8888(0, src
[i
][RCOMP
], src
[i
][GCOMP
], src
[i
][BCOMP
]);
265 pack_row_float_B8G8R8X8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
267 GLuint
*d
= ((GLuint
*) dst
);
269 for (i
= 0; i
< n
; i
++) {
271 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
272 pack_ubyte_B8G8R8X8_UNORM(v
, d
+ i
);
278 * MESA_FORMAT_X8R8G8B8_UNORM
282 pack_ubyte_X8R8G8B8_UNORM(const GLubyte src
[4], void *dst
)
284 GLuint
*d
= ((GLuint
*) dst
);
285 *d
= PACK_COLOR_8888(src
[BCOMP
], src
[GCOMP
], src
[RCOMP
], 0);
289 pack_float_X8R8G8B8_UNORM(const GLfloat src
[4], void *dst
)
292 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
293 pack_ubyte_X8R8G8B8_UNORM(v
, dst
);
297 pack_row_ubyte_X8R8G8B8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
299 GLuint
*d
= ((GLuint
*) dst
);
301 for (i
= 0; i
< n
; i
++) {
302 d
[i
] = PACK_COLOR_8888(src
[i
][BCOMP
], src
[i
][GCOMP
], src
[i
][RCOMP
], 0);
307 pack_row_float_X8R8G8B8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
309 GLuint
*d
= ((GLuint
*) dst
);
311 for (i
= 0; i
< n
; i
++) {
313 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
314 pack_ubyte_X8R8G8B8_UNORM(v
, d
+ i
);
320 * MESA_FORMAT_BGR_UNORM8
324 pack_ubyte_BGR_UNORM8(const GLubyte src
[4], void *dst
)
326 GLubyte
*d
= ((GLubyte
*) dst
);
333 pack_float_BGR_UNORM8(const GLfloat src
[4], void *dst
)
335 GLubyte
*d
= ((GLubyte
*) dst
);
336 UNCLAMPED_FLOAT_TO_UBYTE(d
[2], src
[RCOMP
]);
337 UNCLAMPED_FLOAT_TO_UBYTE(d
[1], src
[GCOMP
]);
338 UNCLAMPED_FLOAT_TO_UBYTE(d
[0], src
[BCOMP
]);
342 pack_row_ubyte_BGR_UNORM8(GLuint n
, const GLubyte src
[][4], void *dst
)
344 GLubyte
*d
= ((GLubyte
*) dst
);
346 for (i
= 0; i
< n
; i
++) {
347 d
[i
*3+2] = src
[i
][RCOMP
];
348 d
[i
*3+1] = src
[i
][GCOMP
];
349 d
[i
*3+0] = src
[i
][BCOMP
];
354 pack_row_float_BGR_UNORM8(GLuint n
, const GLfloat src
[][4], void *dst
)
356 GLubyte
*d
= ((GLubyte
*) dst
);
358 for (i
= 0; i
< n
; i
++) {
360 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
369 * MESA_FORMAT_RGB_UNORM8
373 pack_ubyte_RGB_UNORM8(const GLubyte src
[4], void *dst
)
375 GLubyte
*d
= ((GLubyte
*) dst
);
382 pack_float_RGB_UNORM8(const GLfloat src
[4], void *dst
)
384 GLubyte
*d
= ((GLubyte
*) dst
);
385 UNCLAMPED_FLOAT_TO_UBYTE(d
[2], src
[BCOMP
]);
386 UNCLAMPED_FLOAT_TO_UBYTE(d
[1], src
[GCOMP
]);
387 UNCLAMPED_FLOAT_TO_UBYTE(d
[0], src
[RCOMP
]);
391 pack_row_ubyte_RGB_UNORM8(GLuint n
, const GLubyte src
[][4], void *dst
)
393 GLubyte
*d
= ((GLubyte
*) dst
);
395 for (i
= 0; i
< n
; i
++) {
396 d
[i
*3+2] = src
[i
][BCOMP
];
397 d
[i
*3+1] = src
[i
][GCOMP
];
398 d
[i
*3+0] = src
[i
][RCOMP
];
403 pack_row_float_RGB_UNORM8(GLuint n
, const GLfloat src
[][4], void *dst
)
405 GLubyte
*d
= ((GLubyte
*) dst
);
407 for (i
= 0; i
< n
; i
++) {
409 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
418 * MESA_FORMAT_B5G6R5_UNORM
422 pack_ubyte_B5G6R5_UNORM(const GLubyte src
[4], void *dst
)
424 GLushort
*d
= ((GLushort
*) dst
);
425 *d
= PACK_COLOR_565(src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
429 pack_float_B5G6R5_UNORM(const GLfloat src
[4], void *dst
)
432 UNCLAMPED_FLOAT_TO_UBYTE(v
[0], src
[RCOMP
]);
433 UNCLAMPED_FLOAT_TO_UBYTE(v
[1], src
[GCOMP
]);
434 UNCLAMPED_FLOAT_TO_UBYTE(v
[2], src
[BCOMP
]);
435 pack_ubyte_B5G6R5_UNORM(v
, dst
);
439 pack_row_ubyte_B5G6R5_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
441 GLushort
*d
= ((GLushort
*) dst
);
443 for (i
= 0; i
< n
; i
++) {
444 pack_ubyte_B5G6R5_UNORM(src
[i
], d
+ i
);
449 pack_row_float_B5G6R5_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
451 GLushort
*d
= ((GLushort
*) dst
);
453 for (i
= 0; i
< n
; i
++) {
455 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
456 pack_ubyte_B5G6R5_UNORM(v
, d
+ i
);
462 * MESA_FORMAT_R5G6B5_UNORM
463 * Warning: these functions do not match the current Mesa definition
464 * of MESA_FORMAT_R5G6B5_UNORM.
468 pack_ubyte_R5G6B5_UNORM(const GLubyte src
[4], void *dst
)
470 GLushort
*d
= ((GLushort
*) dst
);
471 *d
= PACK_COLOR_565_REV(src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
475 pack_float_R5G6B5_UNORM(const GLfloat src
[4], void *dst
)
477 GLushort
*d
= ((GLushort
*) dst
);
479 UNCLAMPED_FLOAT_TO_UBYTE(r
, src
[RCOMP
]);
480 UNCLAMPED_FLOAT_TO_UBYTE(g
, src
[GCOMP
]);
481 UNCLAMPED_FLOAT_TO_UBYTE(b
, src
[BCOMP
]);
482 *d
= PACK_COLOR_565_REV(r
, g
, b
);
486 pack_row_ubyte_R5G6B5_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
488 GLushort
*d
= ((GLushort
*) dst
);
490 for (i
= 0; i
< n
; i
++) {
491 pack_ubyte_R5G6B5_UNORM(src
[i
], d
+ i
);
496 pack_row_float_R5G6B5_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
498 GLushort
*d
= ((GLushort
*) dst
);
500 for (i
= 0; i
< n
; i
++) {
502 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
503 pack_ubyte_R5G6B5_UNORM(v
, d
+ i
);
509 * MESA_FORMAT_B4G4R4A4_UNORM
513 pack_ubyte_B4G4R4A4_UNORM(const GLubyte src
[4], void *dst
)
515 GLushort
*d
= ((GLushort
*) dst
);
516 *d
= PACK_COLOR_4444(src
[ACOMP
], src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
520 pack_float_B4G4R4A4_UNORM(const GLfloat src
[4], void *dst
)
523 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
524 pack_ubyte_B4G4R4A4_UNORM(v
, dst
);
527 /* use fallback row packing functions */
531 * MESA_FORMAT_A4R4G4B4_UNORM
535 pack_ubyte_A4R4G4B4_UNORM(const GLubyte src
[4], void *dst
)
537 GLushort
*d
= ((GLushort
*) dst
);
538 *d
= PACK_COLOR_4444(src
[BCOMP
], src
[GCOMP
], src
[RCOMP
], src
[ACOMP
]);
542 pack_float_A4R4G4B4_UNORM(const GLfloat src
[4], void *dst
)
545 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
546 pack_ubyte_A4R4G4B4_UNORM(v
, dst
);
549 /* use fallback row packing functions */
553 * MESA_FORMAT_A1B5G5R5_UNORM
557 pack_ubyte_A1B5G5R5_UNORM(const GLubyte src
[4], void *dst
)
559 GLushort
*d
= ((GLushort
*) dst
);
560 *d
= PACK_COLOR_5551(src
[RCOMP
], src
[GCOMP
], src
[BCOMP
], src
[ACOMP
]);
564 pack_float_A1B5G5R5_UNORM(const GLfloat src
[4], void *dst
)
567 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
568 pack_ubyte_A1B5G5R5_UNORM(v
, dst
);
571 /* use fallback row packing functions */
575 * MESA_FORMAT_B5G5R5A1_UNORM
579 pack_ubyte_B5G5R5A1_UNORM(const GLubyte src
[4], void *dst
)
581 GLushort
*d
= ((GLushort
*) dst
);
582 *d
= PACK_COLOR_1555(src
[ACOMP
], src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
586 pack_float_B5G5R5A1_UNORM(const GLfloat src
[4], void *dst
)
589 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
590 pack_ubyte_B5G5R5A1_UNORM(v
, dst
);
594 /* MESA_FORMAT_A1R5G5B5_UNORM
595 * Warning: these functions do not match the current Mesa definition
596 * of MESA_FORMAT_A1R5G5B5_UNORM.
600 pack_ubyte_A1R5G5B5_UNORM(const GLubyte src
[4], void *dst
)
602 GLushort
*d
= ((GLushort
*) dst
), tmp
;
603 tmp
= PACK_COLOR_1555(src
[ACOMP
], src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
604 *d
= (tmp
>> 8) | (tmp
<< 8);
608 pack_float_A1R5G5B5_UNORM(const GLfloat src
[4], void *dst
)
611 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
612 pack_ubyte_A1R5G5B5_UNORM(v
, dst
);
616 /* MESA_FORMAT_L4A4_UNORM */
619 pack_ubyte_L4A4_UNORM(const GLubyte src
[4], void *dst
)
621 GLubyte
*d
= ((GLubyte
*) dst
);
622 *d
= PACK_COLOR_44(src
[ACOMP
], src
[RCOMP
]);
626 pack_float_L4A4_UNORM(const GLfloat src
[4], void *dst
)
629 UNCLAMPED_FLOAT_TO_UBYTE(v
[0], src
[RCOMP
]);
630 UNCLAMPED_FLOAT_TO_UBYTE(v
[3], src
[ACOMP
]);
631 pack_ubyte_L4A4_UNORM(v
, dst
);
635 /* MESA_FORMAT_L8A8_UNORM */
638 pack_ubyte_L8A8_UNORM(const GLubyte src
[4], void *dst
)
640 GLushort
*d
= ((GLushort
*) dst
);
641 *d
= PACK_COLOR_88(src
[ACOMP
], src
[RCOMP
]);
645 pack_float_L8A8_UNORM(const GLfloat src
[4], void *dst
)
648 UNCLAMPED_FLOAT_TO_UBYTE(v
[0], src
[RCOMP
]);
649 UNCLAMPED_FLOAT_TO_UBYTE(v
[3], src
[ACOMP
]);
650 pack_ubyte_L8A8_UNORM(v
, dst
);
654 /* MESA_FORMAT_A8L8_UNORM */
657 pack_ubyte_A8L8_UNORM(const GLubyte src
[4], void *dst
)
659 GLushort
*d
= ((GLushort
*) dst
);
660 *d
= PACK_COLOR_88(src
[RCOMP
], src
[ACOMP
]);
664 pack_float_A8L8_UNORM(const GLfloat src
[4], void *dst
)
667 UNCLAMPED_FLOAT_TO_UBYTE(v
[0], src
[RCOMP
]);
668 UNCLAMPED_FLOAT_TO_UBYTE(v
[3], src
[ACOMP
]);
669 pack_ubyte_A8L8_UNORM(v
, dst
);
673 /* MESA_FORMAT_L16A16_UNORM */
676 pack_ubyte_L16A16_UNORM(const GLubyte src
[4], void *dst
)
678 GLuint
*d
= ((GLuint
*) dst
);
679 GLushort l
= UBYTE_TO_USHORT(src
[RCOMP
]);
680 GLushort a
= UBYTE_TO_USHORT(src
[ACOMP
]);
681 *d
= PACK_COLOR_1616(a
, l
);
685 pack_float_L16A16_UNORM(const GLfloat src
[4], void *dst
)
687 GLuint
*d
= ((GLuint
*) dst
);
689 UNCLAMPED_FLOAT_TO_USHORT(l
, src
[RCOMP
]);
690 UNCLAMPED_FLOAT_TO_USHORT(a
, src
[ACOMP
]);
691 *d
= PACK_COLOR_1616(a
, l
);
695 /* MESA_FORMAT_A16L16_UNORM */
698 pack_ubyte_A16L16_UNORM(const GLubyte src
[4], void *dst
)
700 GLuint
*d
= ((GLuint
*) dst
);
701 GLushort l
= UBYTE_TO_USHORT(src
[RCOMP
]);
702 GLushort a
= UBYTE_TO_USHORT(src
[ACOMP
]);
703 *d
= PACK_COLOR_1616(l
, a
);
707 pack_float_A16L16_UNORM(const GLfloat src
[4], void *dst
)
709 GLuint
*d
= ((GLuint
*) dst
);
711 UNCLAMPED_FLOAT_TO_USHORT(l
, src
[RCOMP
]);
712 UNCLAMPED_FLOAT_TO_USHORT(a
, src
[ACOMP
]);
713 *d
= PACK_COLOR_1616(l
, a
);
717 /* MESA_FORMAT_B2G3R3_UNORM */
720 pack_ubyte_B2G3R3_UNORM(const GLubyte src
[4], void *dst
)
722 GLubyte
*d
= ((GLubyte
*) dst
);
723 *d
= PACK_COLOR_332(src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
727 pack_float_B2G3R3_UNORM(const GLfloat src
[4], void *dst
)
730 UNCLAMPED_FLOAT_TO_UBYTE(v
[0], src
[RCOMP
]);
731 UNCLAMPED_FLOAT_TO_UBYTE(v
[1], src
[GCOMP
]);
732 UNCLAMPED_FLOAT_TO_UBYTE(v
[2], src
[BCOMP
]);
733 pack_ubyte_B2G3R3_UNORM(v
, dst
);
737 /* MESA_FORMAT_A_UNORM8 */
740 pack_ubyte_A_UNORM8(const GLubyte src
[4], void *dst
)
742 GLubyte
*d
= ((GLubyte
*) dst
);
747 pack_float_A_UNORM8(const GLfloat src
[4], void *dst
)
749 GLubyte
*d
= ((GLubyte
*) dst
);
750 UNCLAMPED_FLOAT_TO_UBYTE(d
[0], src
[ACOMP
]);
754 /* MESA_FORMAT_A_UNORM16 */
757 pack_ubyte_A_UNORM16(const GLubyte src
[4], void *dst
)
759 GLushort
*d
= ((GLushort
*) dst
);
760 *d
= UBYTE_TO_USHORT(src
[ACOMP
]);
764 pack_float_A_UNORM16(const GLfloat src
[4], void *dst
)
766 GLushort
*d
= ((GLushort
*) dst
);
767 UNCLAMPED_FLOAT_TO_USHORT(d
[0], src
[ACOMP
]);
771 /* MESA_FORMAT_L_UNORM8 */
774 pack_ubyte_L_UNORM8(const GLubyte src
[4], void *dst
)
776 GLubyte
*d
= ((GLubyte
*) dst
);
781 pack_float_L_UNORM8(const GLfloat src
[4], void *dst
)
783 GLubyte
*d
= ((GLubyte
*) dst
);
784 UNCLAMPED_FLOAT_TO_UBYTE(d
[0], src
[RCOMP
]);
788 /* MESA_FORMAT_L_UNORM16 */
791 pack_ubyte_L_UNORM16(const GLubyte src
[4], void *dst
)
793 GLushort
*d
= ((GLushort
*) dst
);
794 *d
= UBYTE_TO_USHORT(src
[RCOMP
]);
798 pack_float_L_UNORM16(const GLfloat src
[4], void *dst
)
800 GLushort
*d
= ((GLushort
*) dst
);
801 UNCLAMPED_FLOAT_TO_USHORT(d
[0], src
[RCOMP
]);
805 /* MESA_FORMAT_YCBCR */
808 pack_ubyte_YCBCR(const GLubyte src
[4], void *dst
)
814 pack_float_YCBCR(const GLfloat src
[4], void *dst
)
820 /* MESA_FORMAT_YCBCR_REV */
823 pack_ubyte_YCBCR_REV(const GLubyte src
[4], void *dst
)
829 pack_float_YCBCR_REV(const GLfloat src
[4], void *dst
)
835 /* MESA_FORMAT_R_UNORM8 */
838 pack_ubyte_R_UNORM8(const GLubyte src
[4], void *dst
)
840 GLubyte
*d
= ((GLubyte
*) dst
);
845 pack_float_R_UNORM8(const GLfloat src
[4], void *dst
)
847 GLubyte
*d
= ((GLubyte
*) dst
);
849 UNCLAMPED_FLOAT_TO_UBYTE(r
, src
[RCOMP
]);
854 /* MESA_FORMAT_R8G8_UNORM */
857 pack_ubyte_R8G8_UNORM(const GLubyte src
[4], void *dst
)
859 GLushort
*d
= ((GLushort
*) dst
);
860 *d
= PACK_COLOR_88(src
[GCOMP
], src
[RCOMP
]);
864 pack_float_R8G8_UNORM(const GLfloat src
[4], void *dst
)
866 GLushort
*d
= ((GLushort
*) dst
);
868 UNCLAMPED_FLOAT_TO_UBYTE(r
, src
[RCOMP
]);
869 UNCLAMPED_FLOAT_TO_UBYTE(g
, src
[GCOMP
]);
870 *d
= PACK_COLOR_88(g
, r
);
874 /* MESA_FORMAT_G8R8_UNORM */
877 pack_ubyte_G8R8_UNORM(const GLubyte src
[4], void *dst
)
879 GLubyte
*d
= ((GLubyte
*) dst
);
880 *d
= PACK_COLOR_88(src
[RCOMP
], src
[GCOMP
]);
884 pack_float_G8R8_UNORM(const GLfloat src
[4], void *dst
)
886 GLushort
*d
= ((GLushort
*) dst
);
888 UNCLAMPED_FLOAT_TO_UBYTE(r
, src
[RCOMP
]);
889 UNCLAMPED_FLOAT_TO_UBYTE(g
, src
[GCOMP
]);
890 *d
= PACK_COLOR_88(r
, g
);
894 /* MESA_FORMAT_R_UNORM16 */
897 pack_ubyte_R_UNORM16(const GLubyte src
[4], void *dst
)
899 GLushort
*d
= ((GLushort
*) dst
);
900 *d
= UBYTE_TO_USHORT(src
[RCOMP
]);
904 pack_float_R_UNORM16(const GLfloat src
[4], void *dst
)
906 GLushort
*d
= ((GLushort
*) dst
);
907 UNCLAMPED_FLOAT_TO_USHORT(d
[0], src
[RCOMP
]);
911 /* MESA_FORMAT_R16G16_UNORM */
914 pack_ubyte_R16G16_UNORM(const GLubyte src
[4], void *dst
)
916 GLuint
*d
= ((GLuint
*) dst
);
917 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
918 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
919 *d
= PACK_COLOR_1616(g
, r
);
923 pack_float_R16G16_UNORM(const GLfloat src
[4], void *dst
)
925 GLuint
*d
= ((GLuint
*) dst
);
927 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
928 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
929 *d
= PACK_COLOR_1616(g
, r
);
933 /* MESA_FORMAT_G16R16_UNORM */
936 pack_ubyte_G16R16_UNORM(const GLubyte src
[4], void *dst
)
938 GLuint
*d
= ((GLuint
*) dst
);
939 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
940 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
941 *d
= PACK_COLOR_1616(r
, g
);
946 pack_float_G16R16_UNORM(const GLfloat src
[4], void *dst
)
948 GLuint
*d
= ((GLuint
*) dst
);
950 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
951 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
952 *d
= PACK_COLOR_1616(r
, g
);
956 /* MESA_FORMAT_B10G10R10A2_UNORM */
959 pack_ubyte_B10G10R10A2_UNORM(const GLubyte src
[4], void *dst
)
961 GLuint
*d
= ((GLuint
*) dst
);
962 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
963 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
964 GLushort b
= UBYTE_TO_USHORT(src
[BCOMP
]);
965 GLushort a
= UBYTE_TO_USHORT(src
[ACOMP
]);
966 *d
= PACK_COLOR_2101010_US(a
, r
, g
, b
);
970 pack_float_B10G10R10A2_UNORM(const GLfloat src
[4], void *dst
)
972 GLuint
*d
= ((GLuint
*) dst
);
974 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
975 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
976 UNCLAMPED_FLOAT_TO_USHORT(b
, src
[BCOMP
]);
977 UNCLAMPED_FLOAT_TO_USHORT(a
, src
[ACOMP
]);
978 *d
= PACK_COLOR_2101010_US(a
, r
, g
, b
);
982 /* MESA_FORMAT_R10G10B10A2_UINT */
985 pack_ubyte_R10G10B10A2_UINT(const GLubyte src
[4], void *dst
)
987 GLuint
*d
= ((GLuint
*) dst
);
988 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
989 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
990 GLushort b
= UBYTE_TO_USHORT(src
[BCOMP
]);
991 GLushort a
= UBYTE_TO_USHORT(src
[ACOMP
]);
992 *d
= PACK_COLOR_2101010_US(a
, b
, g
, r
);
996 pack_float_R10G10B10A2_UINT(const GLfloat src
[4], void *dst
)
998 GLuint
*d
= ((GLuint
*) dst
);
1000 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
1001 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
1002 UNCLAMPED_FLOAT_TO_USHORT(b
, src
[BCOMP
]);
1003 UNCLAMPED_FLOAT_TO_USHORT(a
, src
[ACOMP
]);
1004 *d
= PACK_COLOR_2101010_US(a
, b
, g
, r
);
1008 /* MESA_FORMAT_BGR_SRGB8 */
1011 pack_ubyte_BGR_SRGB8(const GLubyte src
[4], void *dst
)
1013 GLubyte
*d
= ((GLubyte
*) dst
);
1014 d
[2] = util_format_linear_to_srgb_8unorm(src
[RCOMP
]);
1015 d
[1] = util_format_linear_to_srgb_8unorm(src
[GCOMP
]);
1016 d
[0] = util_format_linear_to_srgb_8unorm(src
[BCOMP
]);
1020 pack_float_BGR_SRGB8(const GLfloat src
[4], void *dst
)
1022 GLubyte
*d
= ((GLubyte
*) dst
);
1023 d
[2] = util_format_linear_float_to_srgb_8unorm(src
[RCOMP
]);
1024 d
[1] = util_format_linear_float_to_srgb_8unorm(src
[GCOMP
]);
1025 d
[0] = util_format_linear_float_to_srgb_8unorm(src
[BCOMP
]);
1029 /* MESA_FORMAT_A8B8G8R8_SRGB */
1032 pack_ubyte_A8B8G8R8_SRGB(const GLubyte src
[4], void *dst
)
1034 GLuint
*d
= ((GLuint
*) dst
);
1035 GLubyte r
= util_format_linear_to_srgb_8unorm(src
[RCOMP
]);
1036 GLubyte g
= util_format_linear_to_srgb_8unorm(src
[GCOMP
]);
1037 GLubyte b
= util_format_linear_to_srgb_8unorm(src
[BCOMP
]);
1038 *d
= PACK_COLOR_8888(r
, g
, b
, src
[ACOMP
]);
1042 pack_float_A8B8G8R8_SRGB(const GLfloat src
[4], void *dst
)
1044 GLuint
*d
= ((GLuint
*) dst
);
1046 r
= util_format_linear_float_to_srgb_8unorm(src
[RCOMP
]);
1047 g
= util_format_linear_float_to_srgb_8unorm(src
[GCOMP
]);
1048 b
= util_format_linear_float_to_srgb_8unorm(src
[BCOMP
]);
1049 UNCLAMPED_FLOAT_TO_UBYTE(a
, src
[ACOMP
]);
1050 *d
= PACK_COLOR_8888(r
, g
, b
, a
);
1054 /* MESA_FORMAT_B8G8R8A8_SRGB */
1057 pack_ubyte_B8G8R8A8_SRGB(const GLubyte src
[4], void *dst
)
1059 GLuint
*d
= ((GLuint
*) dst
);
1060 GLubyte r
= util_format_linear_to_srgb_8unorm(src
[RCOMP
]);
1061 GLubyte g
= util_format_linear_to_srgb_8unorm(src
[GCOMP
]);
1062 GLubyte b
= util_format_linear_to_srgb_8unorm(src
[BCOMP
]);
1063 *d
= PACK_COLOR_8888(src
[ACOMP
], r
, g
, b
);
1067 pack_float_B8G8R8A8_SRGB(const GLfloat src
[4], void *dst
)
1069 GLuint
*d
= ((GLuint
*) dst
);
1071 r
= util_format_linear_float_to_srgb_8unorm(src
[RCOMP
]);
1072 g
= util_format_linear_float_to_srgb_8unorm(src
[GCOMP
]);
1073 b
= util_format_linear_float_to_srgb_8unorm(src
[BCOMP
]);
1074 UNCLAMPED_FLOAT_TO_UBYTE(a
, src
[ACOMP
]);
1075 *d
= PACK_COLOR_8888(a
, r
, g
, b
);
1079 /* MESA_FORMAT_R8G8B8A8_SRGB */
1082 pack_ubyte_R8G8B8A8_SRGB(const GLubyte src
[4], void *dst
)
1084 GLuint
*d
= ((GLuint
*) dst
);
1085 GLubyte r
= util_format_linear_to_srgb_8unorm(src
[RCOMP
]);
1086 GLubyte g
= util_format_linear_to_srgb_8unorm(src
[GCOMP
]);
1087 GLubyte b
= util_format_linear_to_srgb_8unorm(src
[BCOMP
]);
1088 *d
= PACK_COLOR_8888(src
[ACOMP
], b
, g
, r
);
1092 pack_float_R8G8B8A8_SRGB(const GLfloat src
[4], void *dst
)
1094 GLuint
*d
= ((GLuint
*) dst
);
1096 r
= util_format_linear_float_to_srgb_8unorm(src
[RCOMP
]);
1097 g
= util_format_linear_float_to_srgb_8unorm(src
[GCOMP
]);
1098 b
= util_format_linear_float_to_srgb_8unorm(src
[BCOMP
]);
1099 UNCLAMPED_FLOAT_TO_UBYTE(a
, src
[ACOMP
]);
1100 *d
= PACK_COLOR_8888(a
, b
, g
, r
);
1104 /* MESA_FORMAT_L_SRGB8 */
1107 pack_ubyte_L_SRGB8(const GLubyte src
[4], void *dst
)
1109 GLubyte
*d
= ((GLubyte
*) dst
);
1110 *d
= util_format_linear_to_srgb_8unorm(src
[RCOMP
]);
1114 pack_float_L_SRGB8(const GLfloat src
[4], void *dst
)
1116 GLubyte
*d
= ((GLubyte
*) dst
);
1117 GLubyte l
= util_format_linear_float_to_srgb_8unorm(src
[RCOMP
]);
1122 /* MESA_FORMAT_L8A8_SRGB */
1125 pack_ubyte_L8A8_SRGB(const GLubyte src
[4], void *dst
)
1127 GLushort
*d
= ((GLushort
*) dst
);
1128 GLubyte l
= util_format_linear_to_srgb_8unorm(src
[RCOMP
]);
1129 *d
= PACK_COLOR_88(src
[ACOMP
], l
);
1133 pack_float_L8A8_SRGB(const GLfloat src
[4], void *dst
)
1135 GLushort
*d
= ((GLushort
*) dst
);
1136 GLubyte a
, l
= util_format_linear_float_to_srgb_8unorm(src
[RCOMP
]);
1137 CLAMPED_FLOAT_TO_UBYTE(a
, src
[ACOMP
]);
1138 *d
= PACK_COLOR_88(a
, l
);
1142 /* MESA_FORMAT_RGBA_FLOAT32 */
1145 pack_ubyte_RGBA_FLOAT32(const GLubyte src
[4], void *dst
)
1147 GLfloat
*d
= ((GLfloat
*) dst
);
1148 d
[0] = UBYTE_TO_FLOAT(src
[0]);
1149 d
[1] = UBYTE_TO_FLOAT(src
[1]);
1150 d
[2] = UBYTE_TO_FLOAT(src
[2]);
1151 d
[3] = UBYTE_TO_FLOAT(src
[3]);
1155 pack_float_RGBA_FLOAT32(const GLfloat src
[4], void *dst
)
1157 GLfloat
*d
= ((GLfloat
*) dst
);
1165 /* MESA_FORMAT_RGBA_FLOAT16 */
1168 pack_ubyte_RGBA_FLOAT16(const GLubyte src
[4], void *dst
)
1170 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1171 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[0]));
1172 d
[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[1]));
1173 d
[2] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[2]));
1174 d
[3] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[3]));
1178 pack_float_RGBA_FLOAT16(const GLfloat src
[4], void *dst
)
1180 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1181 d
[0] = _mesa_float_to_half(src
[0]);
1182 d
[1] = _mesa_float_to_half(src
[1]);
1183 d
[2] = _mesa_float_to_half(src
[2]);
1184 d
[3] = _mesa_float_to_half(src
[3]);
1188 /* MESA_FORMAT_RGB_FLOAT32 */
1191 pack_ubyte_RGB_FLOAT32(const GLubyte src
[4], void *dst
)
1193 GLfloat
*d
= ((GLfloat
*) dst
);
1194 d
[0] = UBYTE_TO_FLOAT(src
[0]);
1195 d
[1] = UBYTE_TO_FLOAT(src
[1]);
1196 d
[2] = UBYTE_TO_FLOAT(src
[2]);
1200 pack_float_RGB_FLOAT32(const GLfloat src
[4], void *dst
)
1202 GLfloat
*d
= ((GLfloat
*) dst
);
1209 /* MESA_FORMAT_RGB_FLOAT16 */
1212 pack_ubyte_RGB_FLOAT16(const GLubyte src
[4], void *dst
)
1214 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1215 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[0]));
1216 d
[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[1]));
1217 d
[2] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[2]));
1221 pack_float_RGB_FLOAT16(const GLfloat src
[4], void *dst
)
1223 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1224 d
[0] = _mesa_float_to_half(src
[0]);
1225 d
[1] = _mesa_float_to_half(src
[1]);
1226 d
[2] = _mesa_float_to_half(src
[2]);
1230 /* MESA_FORMAT_A_FLOAT32 */
1233 pack_ubyte_A_FLOAT32(const GLubyte src
[4], void *dst
)
1235 GLfloat
*d
= ((GLfloat
*) dst
);
1236 d
[0] = UBYTE_TO_FLOAT(src
[ACOMP
]);
1240 pack_float_A_FLOAT32(const GLfloat src
[4], void *dst
)
1242 GLfloat
*d
= ((GLfloat
*) dst
);
1247 /* MESA_FORMAT_A_FLOAT16 */
1250 pack_ubyte_A_FLOAT16(const GLubyte src
[4], void *dst
)
1252 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1253 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[ACOMP
]));
1257 pack_float_A_FLOAT16(const GLfloat src
[4], void *dst
)
1259 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1260 d
[0] = _mesa_float_to_half(src
[ACOMP
]);
1264 /* MESA_FORMAT_L_FLOAT32 (and I_FLOAT32, R_FLOAT32) */
1267 pack_ubyte_L_FLOAT32(const GLubyte src
[4], void *dst
)
1269 GLfloat
*d
= ((GLfloat
*) dst
);
1270 d
[0] = UBYTE_TO_FLOAT(src
[RCOMP
]);
1274 pack_float_L_FLOAT32(const GLfloat src
[4], void *dst
)
1276 GLfloat
*d
= ((GLfloat
*) dst
);
1281 /* MESA_FORMAT_L_FLOAT16 (and I_FLOAT16, R_FLOAT32) */
1284 pack_ubyte_L_FLOAT16(const GLubyte src
[4], void *dst
)
1286 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1287 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[RCOMP
]));
1291 pack_float_L_FLOAT16(const GLfloat src
[4], void *dst
)
1293 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1294 d
[0] = _mesa_float_to_half(src
[RCOMP
]);
1298 /* MESA_FORMAT_LA_FLOAT32 */
1301 pack_ubyte_LA_FLOAT32(const GLubyte src
[4], void *dst
)
1303 GLfloat
*d
= ((GLfloat
*) dst
);
1304 d
[0] = UBYTE_TO_FLOAT(src
[RCOMP
]);
1305 d
[1] = UBYTE_TO_FLOAT(src
[ACOMP
]);
1309 pack_float_LA_FLOAT32(const GLfloat src
[4], void *dst
)
1311 GLfloat
*d
= ((GLfloat
*) dst
);
1317 /* MESA_FORMAT_LA_FLOAT16 */
1320 pack_ubyte_LA_FLOAT16(const GLubyte src
[4], void *dst
)
1322 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1323 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[RCOMP
]));
1324 d
[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[ACOMP
]));
1328 pack_float_LA_FLOAT16(const GLfloat src
[4], void *dst
)
1330 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1331 d
[0] = _mesa_float_to_half(src
[RCOMP
]);
1332 d
[1] = _mesa_float_to_half(src
[ACOMP
]);
1336 /* MESA_FORMAT_RG_FLOAT32 */
1339 pack_ubyte_RG_FLOAT32(const GLubyte src
[4], void *dst
)
1341 GLfloat
*d
= ((GLfloat
*) dst
);
1342 d
[0] = UBYTE_TO_FLOAT(src
[RCOMP
]);
1343 d
[1] = UBYTE_TO_FLOAT(src
[GCOMP
]);
1347 pack_float_RG_FLOAT32(const GLfloat src
[4], void *dst
)
1349 GLfloat
*d
= ((GLfloat
*) dst
);
1355 /* MESA_FORMAT_RG_FLOAT16 */
1358 pack_ubyte_RG_FLOAT16(const GLubyte src
[4], void *dst
)
1360 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1361 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[RCOMP
]));
1362 d
[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[GCOMP
]));
1366 pack_float_RG_FLOAT16(const GLfloat src
[4], void *dst
)
1368 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1369 d
[0] = _mesa_float_to_half(src
[RCOMP
]);
1370 d
[1] = _mesa_float_to_half(src
[GCOMP
]);
1374 /* MESA_FORMAT_RGBA_UNORM16 */
1377 pack_ubyte_RGBA_16(const GLubyte src
[4], void *dst
)
1379 GLushort
*d
= ((GLushort
*) dst
);
1380 d
[0] = UBYTE_TO_USHORT(src
[RCOMP
]);
1381 d
[1] = UBYTE_TO_USHORT(src
[GCOMP
]);
1382 d
[2] = UBYTE_TO_USHORT(src
[BCOMP
]);
1383 d
[3] = UBYTE_TO_USHORT(src
[ACOMP
]);
1387 pack_float_RGBA_16(const GLfloat src
[4], void *dst
)
1389 GLushort
*d
= ((GLushort
*) dst
);
1390 UNCLAMPED_FLOAT_TO_USHORT(d
[0], src
[RCOMP
]);
1391 UNCLAMPED_FLOAT_TO_USHORT(d
[1], src
[GCOMP
]);
1392 UNCLAMPED_FLOAT_TO_USHORT(d
[2], src
[BCOMP
]);
1393 UNCLAMPED_FLOAT_TO_USHORT(d
[3], src
[ACOMP
]);
1399 * MESA_FORMAT_R_SNORM8
1403 pack_float_R_SNORM8(const GLfloat src
[4], void *dst
)
1405 GLbyte
*d
= (GLbyte
*) dst
;
1406 *d
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1411 * MESA_FORMAT_R8G8_SNORM
1415 pack_float_R8G8_SNORM(const GLfloat src
[4], void *dst
)
1417 GLushort
*d
= (GLushort
*) dst
;
1418 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1419 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1425 * MESA_FORMAT_X8B8G8R8_SNORM
1429 pack_float_X8B8G8R8_SNORM(const GLfloat src
[4], void *dst
)
1431 GLuint
*d
= (GLuint
*) dst
;
1432 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1433 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1434 GLbyte b
= FLOAT_TO_BYTE(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1436 *d
= PACK_COLOR_8888(r
, g
, b
, a
);
1441 * MESA_FORMAT_A8B8G8R8_SNORM
1445 pack_float_A8B8G8R8_SNORM(const GLfloat src
[4], void *dst
)
1447 GLuint
*d
= (GLuint
*) dst
;
1448 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1449 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1450 GLbyte b
= FLOAT_TO_BYTE(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1451 GLbyte a
= FLOAT_TO_BYTE(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1452 *d
= PACK_COLOR_8888(r
, g
, b
, a
);
1457 * MESA_FORMAT_R8G8B8A8_SNORM
1461 pack_float_R8G8B8A8_SNORM(const GLfloat src
[4], void *dst
)
1463 GLuint
*d
= (GLuint
*) dst
;
1464 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1465 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1466 GLbyte b
= FLOAT_TO_BYTE(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1467 GLbyte a
= FLOAT_TO_BYTE(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1468 *d
= PACK_COLOR_8888(a
, b
, g
, r
);
1473 * MESA_FORMAT_R_SNORM16
1477 pack_float_R_SNORM16(const GLfloat src
[4], void *dst
)
1479 GLshort
*d
= (GLshort
*) dst
;
1480 *d
= FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1485 * MESA_FORMAT_R16G16_SNORM
1489 pack_float_R16G16_SNORM(const GLfloat src
[4], void *dst
)
1491 GLuint
*d
= (GLuint
*) dst
;
1492 GLshort r
= FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1493 GLshort g
= FLOAT_TO_SHORT(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1494 *d
= (g
<< 16) | (r
& 0xffff);
1499 * MESA_FORMAT_RGB_SNORM16
1503 pack_float_RGB_SNORM16(const GLfloat src
[4], void *dst
)
1505 GLshort
*d
= (GLshort
*) dst
;
1506 d
[0] = FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1507 d
[1] = FLOAT_TO_SHORT(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1508 d
[2] = FLOAT_TO_SHORT(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1513 * MESA_FORMAT_RGBA_SNORM16
1517 pack_float_RGBA_SNORM16(const GLfloat src
[4], void *dst
)
1519 GLshort
*d
= (GLshort
*) dst
;
1520 d
[0] = FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1521 d
[1] = FLOAT_TO_SHORT(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1522 d
[2] = FLOAT_TO_SHORT(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1523 d
[3] = FLOAT_TO_SHORT(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1528 * MESA_FORMAT_A_SNORM8
1532 pack_float_A_SNORM8(const GLfloat src
[4], void *dst
)
1534 GLbyte
*d
= (GLbyte
*) dst
;
1535 *d
= FLOAT_TO_BYTE(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1540 * MESA_FORMAT_L_SNORM8
1544 pack_float_L_SNORM8(const GLfloat src
[4], void *dst
)
1546 GLbyte
*d
= (GLbyte
*) dst
;
1547 *d
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1552 * MESA_FORMAT_L8A8_SNORM
1556 pack_float_L8A8_SNORM(const GLfloat src
[4], void *dst
)
1558 GLushort
*d
= (GLushort
*) dst
;
1559 GLbyte l
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1560 GLbyte a
= FLOAT_TO_BYTE(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1566 * MESA_FORMAT_A_SNORM16
1570 pack_float_A_SNORM16(const GLfloat src
[4], void *dst
)
1572 GLshort
*d
= (GLshort
*) dst
;
1573 *d
= FLOAT_TO_SHORT(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1578 * MESA_FORMAT_L_SNORM16
1582 pack_float_L_SNORM16(const GLfloat src
[4], void *dst
)
1584 GLshort
*d
= (GLshort
*) dst
;
1585 *d
= FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1590 * MESA_FORMAT_LA_SNORM16
1594 pack_float_LA_SNORM16(const GLfloat src
[4], void *dst
)
1596 GLuint
*d
= (GLuint
*) dst
;
1597 GLshort l
= FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1598 GLshort a
= FLOAT_TO_SHORT(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1599 *d
= PACK_COLOR_1616(a
, l
);
1604 * MESA_FORMAT_R9G9B9E5_FLOAT;
1608 pack_float_R9G9B9E5_FLOAT(const GLfloat src
[4], void *dst
)
1610 GLuint
*d
= (GLuint
*) dst
;
1611 *d
= float3_to_rgb9e5(src
);
1615 pack_ubyte_R9G9B9E5_FLOAT(const GLubyte src
[4], void *dst
)
1617 GLuint
*d
= (GLuint
*) dst
;
1619 rgb
[0] = UBYTE_TO_FLOAT(src
[RCOMP
]);
1620 rgb
[1] = UBYTE_TO_FLOAT(src
[GCOMP
]);
1621 rgb
[2] = UBYTE_TO_FLOAT(src
[BCOMP
]);
1622 *d
= float3_to_rgb9e5(rgb
);
1628 * MESA_FORMAT_R11G11B10_FLOAT;
1632 pack_ubyte_R11G11B10_FLOAT(const GLubyte src
[4], void *dst
)
1634 GLuint
*d
= (GLuint
*) dst
;
1636 rgb
[0] = UBYTE_TO_FLOAT(src
[RCOMP
]);
1637 rgb
[1] = UBYTE_TO_FLOAT(src
[GCOMP
]);
1638 rgb
[2] = UBYTE_TO_FLOAT(src
[BCOMP
]);
1639 *d
= float3_to_r11g11b10f(rgb
);
1643 pack_float_R11G11B10_FLOAT(const GLfloat src
[4], void *dst
)
1645 GLuint
*d
= (GLuint
*) dst
;
1646 *d
= float3_to_r11g11b10f(src
);
1651 * MESA_FORMAT_B4G4R4X4_UNORM
1655 pack_ubyte_XRGB4444_UNORM(const GLubyte src
[4], void *dst
)
1657 GLushort
*d
= ((GLushort
*) dst
);
1658 *d
= PACK_COLOR_4444(255, src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
1662 pack_float_XRGB4444_UNORM(const GLfloat src
[4], void *dst
)
1665 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
1666 pack_ubyte_XRGB4444_UNORM(v
, dst
);
1671 * MESA_FORMAT_B5G5R5X1_UNORM
1675 pack_ubyte_XRGB1555_UNORM(const GLubyte src
[4], void *dst
)
1677 GLushort
*d
= ((GLushort
*) dst
);
1678 *d
= PACK_COLOR_1555(255, src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
1682 pack_float_XRGB1555_UNORM(const GLfloat src
[4], void *dst
)
1685 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
1686 pack_ubyte_XRGB1555_UNORM(v
, dst
);
1691 * MESA_FORMAT_R8G8B8X8_SNORM
1695 pack_float_XBGR8888_SNORM(const GLfloat src
[4], void *dst
)
1697 GLuint
*d
= (GLuint
*) dst
;
1698 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1699 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1700 GLbyte b
= FLOAT_TO_BYTE(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1701 *d
= PACK_COLOR_8888(127, b
, g
, r
);
1706 * MESA_FORMAT_R8G8B8X8_SRGB
1710 pack_float_R8G8B8X8_SRGB(const GLfloat src
[4], void *dst
)
1712 GLuint
*d
= (GLuint
*) dst
;
1713 GLubyte r
= util_format_linear_float_to_srgb_8unorm(src
[RCOMP
]);
1714 GLubyte g
= util_format_linear_float_to_srgb_8unorm(src
[GCOMP
]);
1715 GLubyte b
= util_format_linear_float_to_srgb_8unorm(src
[BCOMP
]);
1716 *d
= PACK_COLOR_8888(127, b
, g
, r
);
1720 /* MESA_FORMAT_B10G10R10X2_UNORM */
1723 pack_ubyte_B10G10R10X2_UNORM(const GLubyte src
[4], void *dst
)
1725 GLuint
*d
= ((GLuint
*) dst
);
1726 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
1727 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
1728 GLushort b
= UBYTE_TO_USHORT(src
[BCOMP
]);
1729 *d
= PACK_COLOR_2101010_US(3, r
, g
, b
);
1733 pack_float_B10G10R10X2_UNORM(const GLfloat src
[4], void *dst
)
1735 GLuint
*d
= ((GLuint
*) dst
);
1737 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
1738 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
1739 UNCLAMPED_FLOAT_TO_USHORT(b
, src
[BCOMP
]);
1740 *d
= PACK_COLOR_2101010_US(3, r
, g
, b
);
1744 /* MESA_FORMAT_RGBX_UNORM16 */
1747 pack_ubyte_RGBX_UNORM16(const GLubyte src
[4], void *dst
)
1749 GLushort
*d
= ((GLushort
*) dst
);
1750 d
[0] = UBYTE_TO_USHORT(src
[RCOMP
]);
1751 d
[1] = UBYTE_TO_USHORT(src
[GCOMP
]);
1752 d
[2] = UBYTE_TO_USHORT(src
[BCOMP
]);
1757 pack_float_RGBX_UNORM16(const GLfloat src
[4], void *dst
)
1759 GLushort
*d
= ((GLushort
*) dst
);
1760 UNCLAMPED_FLOAT_TO_USHORT(d
[0], src
[RCOMP
]);
1761 UNCLAMPED_FLOAT_TO_USHORT(d
[1], src
[GCOMP
]);
1762 UNCLAMPED_FLOAT_TO_USHORT(d
[2], src
[BCOMP
]);
1767 /* MESA_FORMAT_RGBX_SNORM16 */
1770 pack_float_RGBX_SNORM16(const GLfloat src
[4], void *dst
)
1772 GLushort
*d
= ((GLushort
*) dst
);
1773 UNCLAMPED_FLOAT_TO_SHORT(d
[0], src
[RCOMP
]);
1774 UNCLAMPED_FLOAT_TO_SHORT(d
[1], src
[GCOMP
]);
1775 UNCLAMPED_FLOAT_TO_SHORT(d
[2], src
[BCOMP
]);
1780 /* MESA_FORMAT_RGBX_FLOAT16 */
1783 pack_float_XBGR16161616_FLOAT(const GLfloat src
[4], void *dst
)
1785 GLushort
*d
= ((GLushort
*) dst
);
1786 d
[0] = _mesa_float_to_half(src
[RCOMP
]);
1787 d
[1] = _mesa_float_to_half(src
[GCOMP
]);
1788 d
[2] = _mesa_float_to_half(src
[BCOMP
]);
1789 d
[3] = _mesa_float_to_half(1.0);
1792 /* MESA_FORMAT_RGBX_FLOAT32 */
1795 pack_float_RGBX_FLOAT32(const GLfloat src
[4], void *dst
)
1797 GLfloat
*d
= ((GLfloat
*) dst
);
1804 /* MESA_FORMAT_R10G10B10A2_UNORM */
1807 pack_ubyte_R10G10B10A2_UNORM(const GLubyte src
[4], void *dst
)
1809 GLuint
*d
= ((GLuint
*) dst
);
1810 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
1811 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
1812 GLushort b
= UBYTE_TO_USHORT(src
[BCOMP
]);
1813 GLushort a
= UBYTE_TO_USHORT(src
[ACOMP
]);
1814 *d
= PACK_COLOR_2101010_US(a
, b
, g
, r
);
1818 pack_float_R10G10B10A2_UNORM(const GLfloat src
[4], void *dst
)
1820 GLuint
*d
= ((GLuint
*) dst
);
1821 GLushort r
, g
, b
, a
;
1822 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
1823 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
1824 UNCLAMPED_FLOAT_TO_USHORT(b
, src
[BCOMP
]);
1825 UNCLAMPED_FLOAT_TO_USHORT(a
, src
[ACOMP
]);
1826 *d
= PACK_COLOR_2101010_US(a
, b
, g
, r
);
1830 * MESA_FORMAT_G8R8_SNORM
1834 pack_float_G8R8_SNORM(const GLfloat src
[4], void *dst
)
1836 GLushort
*d
= (GLushort
*) dst
;
1837 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1838 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1839 *d
= (r
<< 8) | (g
& 0xff);
1843 * MESA_FORMAT_G16R16_SNORM
1847 pack_float_G16R16_SNORM(const GLfloat src
[4], void *dst
)
1849 GLuint
*d
= (GLuint
*) dst
;
1850 GLshort r
= FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1851 GLshort g
= FLOAT_TO_SHORT(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1852 *d
= (r
<< 16) | (g
& 0xffff);
1856 * MESA_FORMAT_B8G8R8X8_SRGB
1860 pack_float_B8G8R8X8_SRGB(const GLfloat src
[4], void *dst
)
1862 GLuint
*d
= (GLuint
*) dst
;
1863 GLubyte r
= util_format_linear_float_to_srgb_8unorm(src
[RCOMP
]);
1864 GLubyte g
= util_format_linear_float_to_srgb_8unorm(src
[GCOMP
]);
1865 GLubyte b
= util_format_linear_float_to_srgb_8unorm(src
[BCOMP
]);
1866 *d
= PACK_COLOR_8888(127, r
, g
, b
);
1870 * Return a function that can pack a GLubyte rgba[4] color.
1872 gl_pack_ubyte_rgba_func
1873 _mesa_get_pack_ubyte_rgba_function(mesa_format format
)
1875 static gl_pack_ubyte_rgba_func table
[MESA_FORMAT_COUNT
];
1876 static GLboolean initialized
= GL_FALSE
;
1879 memset(table
, 0, sizeof(table
));
1881 table
[MESA_FORMAT_NONE
] = NULL
;
1883 table
[MESA_FORMAT_A8B8G8R8_UNORM
] = pack_ubyte_A8B8G8R8_UNORM
;
1884 table
[MESA_FORMAT_R8G8B8A8_UNORM
] = pack_ubyte_R8G8B8A8_UNORM
;
1885 table
[MESA_FORMAT_B8G8R8A8_UNORM
] = pack_ubyte_B8G8R8A8_UNORM
;
1886 table
[MESA_FORMAT_A8R8G8B8_UNORM
] = pack_ubyte_A8R8G8B8_UNORM
;
1887 table
[MESA_FORMAT_X8B8G8R8_UNORM
] = pack_ubyte_A8B8G8R8_UNORM
; /* reused */
1888 table
[MESA_FORMAT_R8G8B8X8_UNORM
] = pack_ubyte_R8G8B8A8_UNORM
; /* reused */
1889 table
[MESA_FORMAT_B8G8R8X8_UNORM
] = pack_ubyte_B8G8R8X8_UNORM
;
1890 table
[MESA_FORMAT_X8R8G8B8_UNORM
] = pack_ubyte_X8R8G8B8_UNORM
;
1891 table
[MESA_FORMAT_BGR_UNORM8
] = pack_ubyte_BGR_UNORM8
;
1892 table
[MESA_FORMAT_RGB_UNORM8
] = pack_ubyte_RGB_UNORM8
;
1893 table
[MESA_FORMAT_B5G6R5_UNORM
] = pack_ubyte_B5G6R5_UNORM
;
1894 table
[MESA_FORMAT_R5G6B5_UNORM
] = pack_ubyte_R5G6B5_UNORM
;
1895 table
[MESA_FORMAT_B4G4R4A4_UNORM
] = pack_ubyte_B4G4R4A4_UNORM
;
1896 table
[MESA_FORMAT_A4R4G4B4_UNORM
] = pack_ubyte_A4R4G4B4_UNORM
;
1897 table
[MESA_FORMAT_A1B5G5R5_UNORM
] = pack_ubyte_A1B5G5R5_UNORM
;
1898 table
[MESA_FORMAT_B5G5R5A1_UNORM
] = pack_ubyte_B5G5R5A1_UNORM
;
1899 table
[MESA_FORMAT_A1R5G5B5_UNORM
] = pack_ubyte_A1R5G5B5_UNORM
;
1900 table
[MESA_FORMAT_L4A4_UNORM
] = pack_ubyte_L4A4_UNORM
;
1901 table
[MESA_FORMAT_L8A8_UNORM
] = pack_ubyte_L8A8_UNORM
;
1902 table
[MESA_FORMAT_A8L8_UNORM
] = pack_ubyte_A8L8_UNORM
;
1903 table
[MESA_FORMAT_L16A16_UNORM
] = pack_ubyte_L16A16_UNORM
;
1904 table
[MESA_FORMAT_A16L16_UNORM
] = pack_ubyte_A16L16_UNORM
;
1905 table
[MESA_FORMAT_B2G3R3_UNORM
] = pack_ubyte_B2G3R3_UNORM
;
1906 table
[MESA_FORMAT_A_UNORM8
] = pack_ubyte_A_UNORM8
;
1907 table
[MESA_FORMAT_A_UNORM16
] = pack_ubyte_A_UNORM16
;
1908 table
[MESA_FORMAT_L_UNORM8
] = pack_ubyte_L_UNORM8
;
1909 table
[MESA_FORMAT_L_UNORM16
] = pack_ubyte_L_UNORM16
;
1910 table
[MESA_FORMAT_I_UNORM8
] = pack_ubyte_L_UNORM8
; /* reuse pack_ubyte_L_UNORM8 */
1911 table
[MESA_FORMAT_I_UNORM16
] = pack_ubyte_L_UNORM16
; /* reuse pack_ubyte_L_UNORM16 */
1912 table
[MESA_FORMAT_YCBCR
] = pack_ubyte_YCBCR
;
1913 table
[MESA_FORMAT_YCBCR_REV
] = pack_ubyte_YCBCR_REV
;
1914 table
[MESA_FORMAT_R_UNORM8
] = pack_ubyte_R_UNORM8
;
1915 table
[MESA_FORMAT_R8G8_UNORM
] = pack_ubyte_R8G8_UNORM
;
1916 table
[MESA_FORMAT_G8R8_UNORM
] = pack_ubyte_G8R8_UNORM
;
1917 table
[MESA_FORMAT_R_UNORM16
] = pack_ubyte_R_UNORM16
;
1918 table
[MESA_FORMAT_R16G16_UNORM
] = pack_ubyte_R16G16_UNORM
;
1919 table
[MESA_FORMAT_G16R16_UNORM
] = pack_ubyte_G16R16_UNORM
;
1920 table
[MESA_FORMAT_B10G10R10A2_UNORM
] = pack_ubyte_B10G10R10A2_UNORM
;
1921 table
[MESA_FORMAT_R10G10B10A2_UINT
] = pack_ubyte_R10G10B10A2_UINT
;
1923 /* should never convert RGBA to these formats */
1924 table
[MESA_FORMAT_S8_UINT_Z24_UNORM
] = NULL
;
1925 table
[MESA_FORMAT_Z24_UNORM_S8_UINT
] = NULL
;
1926 table
[MESA_FORMAT_Z_UNORM16
] = NULL
;
1927 table
[MESA_FORMAT_Z24_UNORM_X8_UINT
] = NULL
;
1928 table
[MESA_FORMAT_X8_UINT_Z24_UNORM
] = NULL
;
1929 table
[MESA_FORMAT_Z_UNORM32
] = NULL
;
1930 table
[MESA_FORMAT_S_UINT8
] = NULL
;
1933 table
[MESA_FORMAT_BGR_SRGB8
] = pack_ubyte_BGR_SRGB8
;
1934 table
[MESA_FORMAT_A8B8G8R8_SRGB
] = pack_ubyte_A8B8G8R8_SRGB
;
1935 table
[MESA_FORMAT_B8G8R8A8_SRGB
] = pack_ubyte_B8G8R8A8_SRGB
;
1936 table
[MESA_FORMAT_R8G8B8A8_SRGB
] = pack_ubyte_R8G8B8A8_SRGB
;
1937 table
[MESA_FORMAT_L_SRGB8
] = pack_ubyte_L_SRGB8
;
1938 table
[MESA_FORMAT_L8A8_SRGB
] = pack_ubyte_L8A8_SRGB
;
1940 table
[MESA_FORMAT_SRGB_DXT1
] = NULL
; /* pack_ubyte_SRGB_DXT1; */
1941 table
[MESA_FORMAT_SRGBA_DXT1
] = NULL
; /* pack_ubyte_SRGBA_DXT1; */
1942 table
[MESA_FORMAT_SRGBA_DXT3
] = NULL
; /* pack_ubyte_SRGBA_DXT3; */
1943 table
[MESA_FORMAT_SRGBA_DXT5
] = NULL
; /* pack_ubyte_SRGBA_DXT5; */
1945 table
[MESA_FORMAT_RGB_FXT1
] = NULL
; /* pack_ubyte_RGB_FXT1; */
1946 table
[MESA_FORMAT_RGBA_FXT1
] = NULL
; /* pack_ubyte_RGBA_FXT1; */
1947 table
[MESA_FORMAT_RGB_DXT1
] = NULL
; /* pack_ubyte_RGB_DXT1; */
1948 table
[MESA_FORMAT_RGBA_DXT1
] = NULL
; /* pack_ubyte_RGBA_DXT1; */
1949 table
[MESA_FORMAT_RGBA_DXT3
] = NULL
; /* pack_ubyte_RGBA_DXT3; */
1950 table
[MESA_FORMAT_RGBA_DXT5
] = NULL
; /* pack_ubyte_RGBA_DXT5; */
1952 table
[MESA_FORMAT_RGBA_FLOAT32
] = pack_ubyte_RGBA_FLOAT32
;
1953 table
[MESA_FORMAT_RGBA_FLOAT16
] = pack_ubyte_RGBA_FLOAT16
;
1954 table
[MESA_FORMAT_RGB_FLOAT32
] = pack_ubyte_RGB_FLOAT32
;
1955 table
[MESA_FORMAT_RGB_FLOAT16
] = pack_ubyte_RGB_FLOAT16
;
1956 table
[MESA_FORMAT_A_FLOAT32
] = pack_ubyte_A_FLOAT32
;
1957 table
[MESA_FORMAT_A_FLOAT16
] = pack_ubyte_A_FLOAT16
;
1958 table
[MESA_FORMAT_L_FLOAT32
] = pack_ubyte_L_FLOAT32
;
1959 table
[MESA_FORMAT_L_FLOAT16
] = pack_ubyte_L_FLOAT16
;
1960 table
[MESA_FORMAT_LA_FLOAT32
] = pack_ubyte_LA_FLOAT32
;
1961 table
[MESA_FORMAT_LA_FLOAT16
] = pack_ubyte_LA_FLOAT16
;
1962 table
[MESA_FORMAT_I_FLOAT32
] = pack_ubyte_L_FLOAT32
;
1963 table
[MESA_FORMAT_I_FLOAT16
] = pack_ubyte_L_FLOAT16
;
1964 table
[MESA_FORMAT_R_FLOAT32
] = pack_ubyte_L_FLOAT32
;
1965 table
[MESA_FORMAT_R_FLOAT16
] = pack_ubyte_L_FLOAT16
;
1966 table
[MESA_FORMAT_RG_FLOAT32
] = pack_ubyte_RG_FLOAT32
;
1967 table
[MESA_FORMAT_RG_FLOAT16
] = pack_ubyte_RG_FLOAT16
;
1970 table
[MESA_FORMAT_RGBA_SINT8
] = NULL
; /* pack_ubyte_RGBA_INT8 */
1971 table
[MESA_FORMAT_RGBA_SINT16
] = NULL
; /* pack_ubyte_RGBA_INT16 */
1972 table
[MESA_FORMAT_RGBA_SINT32
] = NULL
; /* pack_ubyte_RGBA_INT32 */
1973 table
[MESA_FORMAT_RGBA_UINT8
] = NULL
; /* pack_ubyte_RGBA_UINT8 */
1974 table
[MESA_FORMAT_RGBA_UINT16
] = NULL
; /* pack_ubyte_RGBA_UINT16 */
1975 table
[MESA_FORMAT_RGBA_UINT32
] = NULL
; /* pack_ubyte_RGBA_UINT32 */
1977 table
[MESA_FORMAT_RGBA_UNORM16
] = pack_ubyte_RGBA_16
;
1980 table
[MESA_FORMAT_R_SNORM8
] = NULL
;
1981 table
[MESA_FORMAT_R8G8_SNORM
] = NULL
;
1982 table
[MESA_FORMAT_X8B8G8R8_SNORM
] = NULL
;
1983 table
[MESA_FORMAT_A8B8G8R8_SNORM
] = NULL
;
1984 table
[MESA_FORMAT_R8G8B8A8_SNORM
] = NULL
;
1985 table
[MESA_FORMAT_R_SNORM16
] = NULL
;
1986 table
[MESA_FORMAT_R16G16_SNORM
] = NULL
;
1987 table
[MESA_FORMAT_RGB_SNORM16
] = NULL
;
1988 table
[MESA_FORMAT_RGBA_SNORM16
] = NULL
;
1989 table
[MESA_FORMAT_A_SNORM8
] = NULL
;
1990 table
[MESA_FORMAT_L_SNORM8
] = NULL
;
1991 table
[MESA_FORMAT_L8A8_SNORM
] = NULL
;
1992 table
[MESA_FORMAT_I_SNORM8
] = NULL
;
1993 table
[MESA_FORMAT_A_SNORM16
] = NULL
;
1994 table
[MESA_FORMAT_L_SNORM16
] = NULL
;
1995 table
[MESA_FORMAT_LA_SNORM16
] = NULL
;
1996 table
[MESA_FORMAT_I_SNORM16
] = NULL
;
1999 table
[MESA_FORMAT_RGBA_UNORM16
] = pack_ubyte_RGBA_16
;
2001 table
[MESA_FORMAT_R9G9B9E5_FLOAT
] = pack_ubyte_R9G9B9E5_FLOAT
;
2002 table
[MESA_FORMAT_R11G11B10_FLOAT
] = pack_ubyte_R11G11B10_FLOAT
;
2004 table
[MESA_FORMAT_B4G4R4X4_UNORM
] = pack_ubyte_XRGB4444_UNORM
;
2005 table
[MESA_FORMAT_B5G5R5X1_UNORM
] = pack_ubyte_XRGB1555_UNORM
;
2006 table
[MESA_FORMAT_R8G8B8X8_SNORM
] = NULL
;
2007 table
[MESA_FORMAT_R8G8B8X8_SRGB
] = NULL
;
2008 table
[MESA_FORMAT_RGBX_UINT8
] = NULL
;
2009 table
[MESA_FORMAT_RGBX_SINT8
] = NULL
;
2010 table
[MESA_FORMAT_B10G10R10X2_UNORM
] = pack_ubyte_B10G10R10X2_UNORM
;
2011 table
[MESA_FORMAT_RGBX_UNORM16
] = pack_ubyte_RGBX_UNORM16
;
2012 table
[MESA_FORMAT_RGBX_SNORM16
] = NULL
;
2013 table
[MESA_FORMAT_RGBX_FLOAT16
] = NULL
;
2014 table
[MESA_FORMAT_RGBX_UINT16
] = NULL
;
2015 table
[MESA_FORMAT_RGBX_SINT16
] = NULL
;
2016 table
[MESA_FORMAT_RGBX_FLOAT32
] = NULL
;
2017 table
[MESA_FORMAT_RGBX_UINT32
] = NULL
;
2018 table
[MESA_FORMAT_RGBX_SINT32
] = NULL
;
2020 table
[MESA_FORMAT_R10G10B10A2_UNORM
] = pack_ubyte_R10G10B10A2_UNORM
;
2022 table
[MESA_FORMAT_B8G8R8X8_SRGB
] = NULL
;
2024 initialized
= GL_TRUE
;
2027 return table
[format
];
2033 * Return a function that can pack a GLfloat rgba[4] color.
2035 gl_pack_float_rgba_func
2036 _mesa_get_pack_float_rgba_function(mesa_format format
)
2038 static gl_pack_float_rgba_func table
[MESA_FORMAT_COUNT
];
2039 static GLboolean initialized
= GL_FALSE
;
2042 memset(table
, 0, sizeof(table
));
2044 table
[MESA_FORMAT_NONE
] = NULL
;
2046 table
[MESA_FORMAT_A8B8G8R8_UNORM
] = pack_float_A8B8G8R8_UNORM
;
2047 table
[MESA_FORMAT_R8G8B8A8_UNORM
] = pack_float_R8G8B8A8_UNORM
;
2048 table
[MESA_FORMAT_B8G8R8A8_UNORM
] = pack_float_B8G8R8A8_UNORM
;
2049 table
[MESA_FORMAT_A8R8G8B8_UNORM
] = pack_float_A8R8G8B8_UNORM
;
2050 table
[MESA_FORMAT_X8B8G8R8_UNORM
] = pack_float_A8B8G8R8_UNORM
; /* reused */
2051 table
[MESA_FORMAT_R8G8B8X8_UNORM
] = pack_float_R8G8B8A8_UNORM
; /* reused */
2052 table
[MESA_FORMAT_B8G8R8X8_UNORM
] = pack_float_B8G8R8X8_UNORM
;
2053 table
[MESA_FORMAT_X8R8G8B8_UNORM
] = pack_float_X8R8G8B8_UNORM
;
2054 table
[MESA_FORMAT_BGR_UNORM8
] = pack_float_BGR_UNORM8
;
2055 table
[MESA_FORMAT_RGB_UNORM8
] = pack_float_RGB_UNORM8
;
2056 table
[MESA_FORMAT_B5G6R5_UNORM
] = pack_float_B5G6R5_UNORM
;
2057 table
[MESA_FORMAT_R5G6B5_UNORM
] = pack_float_R5G6B5_UNORM
;
2058 table
[MESA_FORMAT_B4G4R4A4_UNORM
] = pack_float_B4G4R4A4_UNORM
;
2059 table
[MESA_FORMAT_A4R4G4B4_UNORM
] = pack_float_A4R4G4B4_UNORM
;
2060 table
[MESA_FORMAT_A1B5G5R5_UNORM
] = pack_float_A1B5G5R5_UNORM
;
2061 table
[MESA_FORMAT_B5G5R5A1_UNORM
] = pack_float_B5G5R5A1_UNORM
;
2062 table
[MESA_FORMAT_A1R5G5B5_UNORM
] = pack_float_A1R5G5B5_UNORM
;
2064 table
[MESA_FORMAT_L4A4_UNORM
] = pack_float_L4A4_UNORM
;
2065 table
[MESA_FORMAT_L8A8_UNORM
] = pack_float_L8A8_UNORM
;
2066 table
[MESA_FORMAT_A8L8_UNORM
] = pack_float_A8L8_UNORM
;
2067 table
[MESA_FORMAT_L16A16_UNORM
] = pack_float_L16A16_UNORM
;
2068 table
[MESA_FORMAT_A16L16_UNORM
] = pack_float_A16L16_UNORM
;
2069 table
[MESA_FORMAT_B2G3R3_UNORM
] = pack_float_B2G3R3_UNORM
;
2070 table
[MESA_FORMAT_A_UNORM8
] = pack_float_A_UNORM8
;
2071 table
[MESA_FORMAT_A_UNORM16
] = pack_float_A_UNORM16
;
2072 table
[MESA_FORMAT_L_UNORM8
] = pack_float_L_UNORM8
;
2073 table
[MESA_FORMAT_L_UNORM16
] = pack_float_L_UNORM16
;
2074 table
[MESA_FORMAT_I_UNORM8
] = pack_float_L_UNORM8
; /* reuse pack_float_L_UNORM8 */
2075 table
[MESA_FORMAT_I_UNORM16
] = pack_float_L_UNORM16
; /* reuse pack_float_L_UNORM16 */
2076 table
[MESA_FORMAT_YCBCR
] = pack_float_YCBCR
;
2077 table
[MESA_FORMAT_YCBCR_REV
] = pack_float_YCBCR_REV
;
2078 table
[MESA_FORMAT_R_UNORM8
] = pack_float_R_UNORM8
;
2079 table
[MESA_FORMAT_R8G8_UNORM
] = pack_float_R8G8_UNORM
;
2080 table
[MESA_FORMAT_G8R8_UNORM
] = pack_float_G8R8_UNORM
;
2081 table
[MESA_FORMAT_R_UNORM16
] = pack_float_R_UNORM16
;
2082 table
[MESA_FORMAT_R16G16_UNORM
] = pack_float_R16G16_UNORM
;
2083 table
[MESA_FORMAT_G16R16_UNORM
] = pack_float_G16R16_UNORM
;
2084 table
[MESA_FORMAT_B10G10R10A2_UNORM
] = pack_float_B10G10R10A2_UNORM
;
2085 table
[MESA_FORMAT_R10G10B10A2_UINT
] = pack_float_R10G10B10A2_UINT
;
2087 /* should never convert RGBA to these formats */
2088 table
[MESA_FORMAT_S8_UINT_Z24_UNORM
] = NULL
;
2089 table
[MESA_FORMAT_Z24_UNORM_S8_UINT
] = NULL
;
2090 table
[MESA_FORMAT_Z_UNORM16
] = NULL
;
2091 table
[MESA_FORMAT_Z24_UNORM_X8_UINT
] = NULL
;
2092 table
[MESA_FORMAT_X8_UINT_Z24_UNORM
] = NULL
;
2093 table
[MESA_FORMAT_Z_UNORM32
] = NULL
;
2094 table
[MESA_FORMAT_S_UINT8
] = NULL
;
2096 table
[MESA_FORMAT_BGR_SRGB8
] = pack_float_BGR_SRGB8
;
2097 table
[MESA_FORMAT_A8B8G8R8_SRGB
] = pack_float_A8B8G8R8_SRGB
;
2098 table
[MESA_FORMAT_B8G8R8A8_SRGB
] = pack_float_B8G8R8A8_SRGB
;
2099 table
[MESA_FORMAT_R8G8B8A8_SRGB
] = pack_float_R8G8B8A8_SRGB
;
2100 table
[MESA_FORMAT_L_SRGB8
] = pack_float_L_SRGB8
;
2101 table
[MESA_FORMAT_L8A8_SRGB
] = pack_float_L8A8_SRGB
;
2104 table
[MESA_FORMAT_SRGB_DXT1
] = NULL
;
2105 table
[MESA_FORMAT_SRGBA_DXT1
] = NULL
;
2106 table
[MESA_FORMAT_SRGBA_DXT3
] = NULL
;
2107 table
[MESA_FORMAT_SRGBA_DXT5
] = NULL
;
2109 table
[MESA_FORMAT_RGB_FXT1
] = NULL
;
2110 table
[MESA_FORMAT_RGBA_FXT1
] = NULL
;
2111 table
[MESA_FORMAT_RGB_DXT1
] = NULL
;
2112 table
[MESA_FORMAT_RGBA_DXT1
] = NULL
;
2113 table
[MESA_FORMAT_RGBA_DXT3
] = NULL
;
2114 table
[MESA_FORMAT_RGBA_DXT5
] = NULL
;
2116 table
[MESA_FORMAT_RGBA_FLOAT32
] = pack_float_RGBA_FLOAT32
;
2117 table
[MESA_FORMAT_RGBA_FLOAT16
] = pack_float_RGBA_FLOAT16
;
2118 table
[MESA_FORMAT_RGB_FLOAT32
] = pack_float_RGB_FLOAT32
;
2119 table
[MESA_FORMAT_RGB_FLOAT16
] = pack_float_RGB_FLOAT16
;
2120 table
[MESA_FORMAT_A_FLOAT32
] = pack_float_A_FLOAT32
;
2121 table
[MESA_FORMAT_A_FLOAT16
] = pack_float_A_FLOAT16
;
2122 table
[MESA_FORMAT_L_FLOAT32
] = pack_float_L_FLOAT32
;
2123 table
[MESA_FORMAT_L_FLOAT16
] = pack_float_L_FLOAT16
;
2124 table
[MESA_FORMAT_LA_FLOAT32
] = pack_float_LA_FLOAT32
;
2125 table
[MESA_FORMAT_LA_FLOAT16
] = pack_float_LA_FLOAT16
;
2127 table
[MESA_FORMAT_I_FLOAT32
] = pack_float_L_FLOAT32
;
2128 table
[MESA_FORMAT_I_FLOAT16
] = pack_float_L_FLOAT16
;
2129 table
[MESA_FORMAT_R_FLOAT32
] = pack_float_L_FLOAT32
;
2130 table
[MESA_FORMAT_R_FLOAT16
] = pack_float_L_FLOAT16
;
2131 table
[MESA_FORMAT_RG_FLOAT32
] = pack_float_RG_FLOAT32
;
2132 table
[MESA_FORMAT_RG_FLOAT16
] = pack_float_RG_FLOAT16
;
2135 table
[MESA_FORMAT_RGBA_SINT8
] = NULL
;
2136 table
[MESA_FORMAT_RGBA_SINT16
] = NULL
;
2137 table
[MESA_FORMAT_RGBA_SINT32
] = NULL
;
2138 table
[MESA_FORMAT_RGBA_UINT8
] = NULL
;
2139 table
[MESA_FORMAT_RGBA_UINT16
] = NULL
;
2140 table
[MESA_FORMAT_RGBA_UINT32
] = NULL
;
2142 table
[MESA_FORMAT_RGBA_UNORM16
] = pack_float_RGBA_16
;
2144 table
[MESA_FORMAT_R_SNORM8
] = pack_float_R_SNORM8
;
2145 table
[MESA_FORMAT_R8G8_SNORM
] = pack_float_R8G8_SNORM
;
2146 table
[MESA_FORMAT_X8B8G8R8_SNORM
] = pack_float_X8B8G8R8_SNORM
;
2147 table
[MESA_FORMAT_A8B8G8R8_SNORM
] = pack_float_A8B8G8R8_SNORM
;
2148 table
[MESA_FORMAT_R8G8B8A8_SNORM
] = pack_float_R8G8B8A8_SNORM
;
2149 table
[MESA_FORMAT_R_SNORM16
] = pack_float_R_SNORM16
;
2150 table
[MESA_FORMAT_R16G16_SNORM
] = pack_float_R16G16_SNORM
;
2151 table
[MESA_FORMAT_RGB_SNORM16
] = pack_float_RGB_SNORM16
;
2152 table
[MESA_FORMAT_RGBA_SNORM16
] = pack_float_RGBA_SNORM16
;
2153 table
[MESA_FORMAT_A_SNORM8
] = pack_float_A_SNORM8
;
2154 table
[MESA_FORMAT_L_SNORM8
] = pack_float_L_SNORM8
;
2155 table
[MESA_FORMAT_L8A8_SNORM
] = pack_float_L8A8_SNORM
;
2156 table
[MESA_FORMAT_I_SNORM8
] = pack_float_L_SNORM8
; /* reused */
2157 table
[MESA_FORMAT_A_SNORM16
] = pack_float_A_SNORM16
;
2158 table
[MESA_FORMAT_L_SNORM16
] = pack_float_L_SNORM16
;
2159 table
[MESA_FORMAT_LA_SNORM16
] = pack_float_LA_SNORM16
;
2160 table
[MESA_FORMAT_I_SNORM16
] = pack_float_L_SNORM16
; /* reused */
2162 table
[MESA_FORMAT_R9G9B9E5_FLOAT
] = pack_float_R9G9B9E5_FLOAT
;
2163 table
[MESA_FORMAT_R11G11B10_FLOAT
] = pack_float_R11G11B10_FLOAT
;
2165 table
[MESA_FORMAT_B4G4R4X4_UNORM
] = pack_float_XRGB4444_UNORM
;
2166 table
[MESA_FORMAT_B5G5R5X1_UNORM
] = pack_float_XRGB1555_UNORM
;
2167 table
[MESA_FORMAT_R8G8B8X8_SNORM
] = pack_float_XBGR8888_SNORM
;
2168 table
[MESA_FORMAT_R8G8B8X8_SRGB
] = pack_float_R8G8B8X8_SRGB
;
2169 table
[MESA_FORMAT_RGBX_UINT8
] = NULL
;
2170 table
[MESA_FORMAT_RGBX_SINT8
] = NULL
;
2171 table
[MESA_FORMAT_B10G10R10X2_UNORM
] = pack_float_B10G10R10X2_UNORM
;
2172 table
[MESA_FORMAT_RGBX_UNORM16
] = pack_float_RGBX_UNORM16
;
2173 table
[MESA_FORMAT_RGBX_SNORM16
] = pack_float_RGBX_SNORM16
;
2174 table
[MESA_FORMAT_RGBX_FLOAT16
] = pack_float_XBGR16161616_FLOAT
;
2175 table
[MESA_FORMAT_RGBX_UINT16
] = NULL
;
2176 table
[MESA_FORMAT_RGBX_SINT16
] = NULL
;
2177 table
[MESA_FORMAT_RGBX_FLOAT32
] = pack_float_RGBX_FLOAT32
;
2178 table
[MESA_FORMAT_RGBX_UINT32
] = NULL
;
2179 table
[MESA_FORMAT_RGBX_SINT32
] = NULL
;
2181 table
[MESA_FORMAT_R10G10B10A2_UNORM
] = pack_float_R10G10B10A2_UNORM
;
2183 table
[MESA_FORMAT_G8R8_SNORM
] = pack_float_G8R8_SNORM
;
2184 table
[MESA_FORMAT_G16R16_SNORM
] = pack_float_G16R16_SNORM
;
2186 table
[MESA_FORMAT_B8G8R8X8_SRGB
] = pack_float_B8G8R8X8_SRGB
;
2188 initialized
= GL_TRUE
;
2191 return table
[format
];
2196 static pack_float_rgba_row_func
2197 get_pack_float_rgba_row_function(mesa_format format
)
2199 static pack_float_rgba_row_func table
[MESA_FORMAT_COUNT
];
2200 static GLboolean initialized
= GL_FALSE
;
2203 /* We don't need a special row packing function for each format.
2204 * There's a generic fallback which uses a per-pixel packing function.
2206 memset(table
, 0, sizeof(table
));
2208 table
[MESA_FORMAT_A8B8G8R8_UNORM
] = pack_row_float_A8B8G8R8_UNORM
;
2209 table
[MESA_FORMAT_R8G8B8A8_UNORM
] = pack_row_float_R8G8B8A8_UNORM
;
2210 table
[MESA_FORMAT_B8G8R8A8_UNORM
] = pack_row_float_B8G8R8A8_UNORM
;
2211 table
[MESA_FORMAT_A8R8G8B8_UNORM
] = pack_row_float_A8R8G8B8_UNORM
;
2212 table
[MESA_FORMAT_X8B8G8R8_UNORM
] = pack_row_float_A8B8G8R8_UNORM
; /* reused */
2213 table
[MESA_FORMAT_R8G8B8X8_UNORM
] = pack_row_float_R8G8B8A8_UNORM
; /* reused */
2214 table
[MESA_FORMAT_B8G8R8X8_UNORM
] = pack_row_float_B8G8R8X8_UNORM
;
2215 table
[MESA_FORMAT_X8R8G8B8_UNORM
] = pack_row_float_X8R8G8B8_UNORM
;
2216 table
[MESA_FORMAT_BGR_UNORM8
] = pack_row_float_BGR_UNORM8
;
2217 table
[MESA_FORMAT_RGB_UNORM8
] = pack_row_float_RGB_UNORM8
;
2218 table
[MESA_FORMAT_B5G6R5_UNORM
] = pack_row_float_B5G6R5_UNORM
;
2219 table
[MESA_FORMAT_R5G6B5_UNORM
] = pack_row_float_R5G6B5_UNORM
;
2221 initialized
= GL_TRUE
;
2224 return table
[format
];
2229 static pack_ubyte_rgba_row_func
2230 get_pack_ubyte_rgba_row_function(mesa_format format
)
2232 static pack_ubyte_rgba_row_func table
[MESA_FORMAT_COUNT
];
2233 static GLboolean initialized
= GL_FALSE
;
2236 /* We don't need a special row packing function for each format.
2237 * There's a generic fallback which uses a per-pixel packing function.
2239 memset(table
, 0, sizeof(table
));
2241 table
[MESA_FORMAT_A8B8G8R8_UNORM
] = pack_row_ubyte_A8B8G8R8_UNORM
;
2242 table
[MESA_FORMAT_R8G8B8A8_UNORM
] = pack_row_ubyte_R8G8B8A8_UNORM
;
2243 table
[MESA_FORMAT_B8G8R8A8_UNORM
] = pack_row_ubyte_B8G8R8A8_UNORM
;
2244 table
[MESA_FORMAT_A8R8G8B8_UNORM
] = pack_row_ubyte_A8R8G8B8_UNORM
;
2245 table
[MESA_FORMAT_X8B8G8R8_UNORM
] = pack_row_ubyte_A8B8G8R8_UNORM
; /* reused */
2246 table
[MESA_FORMAT_R8G8B8X8_UNORM
] = pack_row_ubyte_R8G8B8A8_UNORM
; /* reused */
2247 table
[MESA_FORMAT_B8G8R8X8_UNORM
] = pack_row_ubyte_B8G8R8X8_UNORM
;
2248 table
[MESA_FORMAT_X8R8G8B8_UNORM
] = pack_row_ubyte_X8R8G8B8_UNORM
;
2249 table
[MESA_FORMAT_BGR_UNORM8
] = pack_row_ubyte_BGR_UNORM8
;
2250 table
[MESA_FORMAT_RGB_UNORM8
] = pack_row_ubyte_RGB_UNORM8
;
2251 table
[MESA_FORMAT_B5G6R5_UNORM
] = pack_row_ubyte_B5G6R5_UNORM
;
2252 table
[MESA_FORMAT_R5G6B5_UNORM
] = pack_row_ubyte_R5G6B5_UNORM
;
2254 initialized
= GL_TRUE
;
2257 return table
[format
];
2263 * Pack a row of GLfloat rgba[4] values to the destination.
2266 _mesa_pack_float_rgba_row(mesa_format format
, GLuint n
,
2267 const GLfloat src
[][4], void *dst
)
2269 pack_float_rgba_row_func packrow
= get_pack_float_rgba_row_function(format
);
2271 /* use "fast" function */
2272 packrow(n
, src
, dst
);
2275 /* slower fallback */
2276 gl_pack_float_rgba_func pack
= _mesa_get_pack_float_rgba_function(format
);
2277 GLuint dstStride
= _mesa_get_format_bytes(format
);
2278 GLubyte
*dstPtr
= (GLubyte
*) dst
;
2285 for (i
= 0; i
< n
; i
++) {
2286 pack(src
[i
], dstPtr
);
2287 dstPtr
+= dstStride
;
2294 * Pack a row of GLubyte rgba[4] values to the destination.
2297 _mesa_pack_ubyte_rgba_row(mesa_format format
, GLuint n
,
2298 const GLubyte src
[][4], void *dst
)
2300 pack_ubyte_rgba_row_func packrow
= get_pack_ubyte_rgba_row_function(format
);
2302 /* use "fast" function */
2303 packrow(n
, src
, dst
);
2306 /* slower fallback */
2307 gl_pack_ubyte_rgba_func pack
= _mesa_get_pack_ubyte_rgba_function(format
);
2308 const GLuint stride
= _mesa_get_format_bytes(format
);
2309 GLubyte
*d
= ((GLubyte
*) dst
);
2316 for (i
= 0; i
< n
; i
++) {
2325 * Pack a 2D image of ubyte RGBA pixels in the given format.
2326 * \param srcRowStride source image row stride in bytes
2327 * \param dstRowStride destination image row stride in bytes
2330 _mesa_pack_ubyte_rgba_rect(mesa_format format
, GLuint width
, GLuint height
,
2331 const GLubyte
*src
, GLint srcRowStride
,
2332 void *dst
, GLint dstRowStride
)
2334 pack_ubyte_rgba_row_func packrow
= get_pack_ubyte_rgba_row_function(format
);
2335 GLubyte
*dstUB
= (GLubyte
*) dst
;
2339 if (srcRowStride
== width
* 4 * sizeof(GLubyte
) &&
2340 dstRowStride
== _mesa_format_row_stride(format
, width
)) {
2341 /* do whole image at once */
2342 packrow(width
* height
, (const GLubyte (*)[4]) src
, dst
);
2346 for (i
= 0; i
< height
; i
++) {
2347 packrow(width
, (const GLubyte (*)[4]) src
, dstUB
);
2348 src
+= srcRowStride
;
2349 dstUB
+= dstRowStride
;
2354 /* slower fallback */
2355 for (i
= 0; i
< height
; i
++) {
2356 _mesa_pack_ubyte_rgba_row(format
, width
,
2357 (const GLubyte (*)[4]) src
, dstUB
);
2358 src
+= srcRowStride
;
2359 dstUB
+= dstRowStride
;
2367 ** Pack float Z pixels
2371 pack_float_S8_UINT_Z24_UNORM(const GLfloat
*src
, void *dst
)
2373 /* don't disturb the stencil values */
2374 GLuint
*d
= ((GLuint
*) dst
);
2375 const GLdouble scale
= (GLdouble
) 0xffffff;
2376 GLuint s
= *d
& 0xff;
2377 GLuint z
= (GLuint
) (*src
* scale
);
2378 assert(z
<= 0xffffff);
2383 pack_float_Z24_UNORM_S8_UINT(const GLfloat
*src
, void *dst
)
2385 /* don't disturb the stencil values */
2386 GLuint
*d
= ((GLuint
*) dst
);
2387 const GLdouble scale
= (GLdouble
) 0xffffff;
2388 GLuint s
= *d
& 0xff000000;
2389 GLuint z
= (GLuint
) (*src
* scale
);
2390 assert(z
<= 0xffffff);
2395 pack_float_Z_UNORM16(const GLfloat
*src
, void *dst
)
2397 GLushort
*d
= ((GLushort
*) dst
);
2398 const GLfloat scale
= (GLfloat
) 0xffff;
2399 *d
= (GLushort
) (*src
* scale
);
2403 pack_float_Z_UNORM32(const GLfloat
*src
, void *dst
)
2405 GLuint
*d
= ((GLuint
*) dst
);
2406 const GLdouble scale
= (GLdouble
) 0xffffffff;
2407 *d
= (GLuint
) (*src
* scale
);
2411 pack_float_Z_FLOAT32(const GLfloat
*src
, void *dst
)
2413 GLfloat
*d
= (GLfloat
*) dst
;
2417 gl_pack_float_z_func
2418 _mesa_get_pack_float_z_func(mesa_format format
)
2421 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2422 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
2423 return pack_float_S8_UINT_Z24_UNORM
;
2424 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2425 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
2426 return pack_float_Z24_UNORM_S8_UINT
;
2427 case MESA_FORMAT_Z_UNORM16
:
2428 return pack_float_Z_UNORM16
;
2429 case MESA_FORMAT_Z_UNORM32
:
2430 return pack_float_Z_UNORM32
;
2431 case MESA_FORMAT_Z_FLOAT32
:
2432 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2433 return pack_float_Z_FLOAT32
;
2436 "unexpected format in _mesa_get_pack_float_z_func()");
2444 ** Pack uint Z pixels. The incoming src value is always in
2445 ** the range [0, 2^32-1].
2449 pack_uint_S8_UINT_Z24_UNORM(const GLuint
*src
, void *dst
)
2451 /* don't disturb the stencil values */
2452 GLuint
*d
= ((GLuint
*) dst
);
2453 GLuint s
= *d
& 0xff;
2454 GLuint z
= *src
& 0xffffff00;
2459 pack_uint_Z24_UNORM_S8_UINT(const GLuint
*src
, void *dst
)
2461 /* don't disturb the stencil values */
2462 GLuint
*d
= ((GLuint
*) dst
);
2463 GLuint s
= *d
& 0xff000000;
2464 GLuint z
= *src
>> 8;
2469 pack_uint_Z_UNORM16(const GLuint
*src
, void *dst
)
2471 GLushort
*d
= ((GLushort
*) dst
);
2476 pack_uint_Z_UNORM32(const GLuint
*src
, void *dst
)
2478 GLuint
*d
= ((GLuint
*) dst
);
2483 pack_uint_Z_FLOAT32(const GLuint
*src
, void *dst
)
2485 GLuint
*d
= ((GLuint
*) dst
);
2486 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffffff;
2487 *d
= (GLuint
) (*src
* scale
);
2493 pack_uint_Z_FLOAT32_X24S8(const GLuint
*src
, void *dst
)
2495 GLfloat
*d
= ((GLfloat
*) dst
);
2496 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffffff;
2497 *d
= (GLfloat
) (*src
* scale
);
2503 _mesa_get_pack_uint_z_func(mesa_format format
)
2506 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2507 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
2508 return pack_uint_S8_UINT_Z24_UNORM
;
2509 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2510 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
2511 return pack_uint_Z24_UNORM_S8_UINT
;
2512 case MESA_FORMAT_Z_UNORM16
:
2513 return pack_uint_Z_UNORM16
;
2514 case MESA_FORMAT_Z_UNORM32
:
2515 return pack_uint_Z_UNORM32
;
2516 case MESA_FORMAT_Z_FLOAT32
:
2517 return pack_uint_Z_FLOAT32
;
2518 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2519 return pack_uint_Z_FLOAT32_X24S8
;
2521 _mesa_problem(NULL
, "unexpected format in _mesa_get_pack_uint_z_func()");
2528 ** Pack ubyte stencil pixels
2532 pack_ubyte_stencil_Z24_S8(const GLubyte
*src
, void *dst
)
2534 /* don't disturb the Z values */
2535 GLuint
*d
= ((GLuint
*) dst
);
2537 GLuint z
= *d
& 0xffffff00;
2542 pack_ubyte_stencil_S8_Z24(const GLubyte
*src
, void *dst
)
2544 /* don't disturb the Z values */
2545 GLuint
*d
= ((GLuint
*) dst
);
2546 GLuint s
= *src
<< 24;
2547 GLuint z
= *d
& 0xffffff;
2552 pack_ubyte_stencil_S8(const GLubyte
*src
, void *dst
)
2554 GLubyte
*d
= (GLubyte
*) dst
;
2559 pack_ubyte_stencil_Z32_FLOAT_X24S8(const GLubyte
*src
, void *dst
)
2561 GLfloat
*d
= ((GLfloat
*) dst
);
2566 gl_pack_ubyte_stencil_func
2567 _mesa_get_pack_ubyte_stencil_func(mesa_format format
)
2570 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2571 return pack_ubyte_stencil_Z24_S8
;
2572 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2573 return pack_ubyte_stencil_S8_Z24
;
2574 case MESA_FORMAT_S_UINT8
:
2575 return pack_ubyte_stencil_S8
;
2576 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2577 return pack_ubyte_stencil_Z32_FLOAT_X24S8
;
2580 "unexpected format in _mesa_pack_ubyte_stencil_func()");
2588 _mesa_pack_float_z_row(mesa_format format
, GLuint n
,
2589 const GLfloat
*src
, void *dst
)
2592 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2593 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
2595 /* don't disturb the stencil values */
2596 GLuint
*d
= ((GLuint
*) dst
);
2597 const GLdouble scale
= (GLdouble
) 0xffffff;
2599 for (i
= 0; i
< n
; i
++) {
2600 GLuint s
= d
[i
] & 0xff;
2601 GLuint z
= (GLuint
) (src
[i
] * scale
);
2602 assert(z
<= 0xffffff);
2603 d
[i
] = (z
<< 8) | s
;
2607 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2608 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
2610 /* don't disturb the stencil values */
2611 GLuint
*d
= ((GLuint
*) dst
);
2612 const GLdouble scale
= (GLdouble
) 0xffffff;
2614 for (i
= 0; i
< n
; i
++) {
2615 GLuint s
= d
[i
] & 0xff000000;
2616 GLuint z
= (GLuint
) (src
[i
] * scale
);
2617 assert(z
<= 0xffffff);
2622 case MESA_FORMAT_Z_UNORM16
:
2624 GLushort
*d
= ((GLushort
*) dst
);
2625 const GLfloat scale
= (GLfloat
) 0xffff;
2627 for (i
= 0; i
< n
; i
++) {
2628 d
[i
] = (GLushort
) (src
[i
] * scale
);
2632 case MESA_FORMAT_Z_UNORM32
:
2634 GLuint
*d
= ((GLuint
*) dst
);
2635 const GLdouble scale
= (GLdouble
) 0xffffffff;
2637 for (i
= 0; i
< n
; i
++) {
2638 d
[i
] = (GLuint
) (src
[i
] * scale
);
2642 case MESA_FORMAT_Z_FLOAT32
:
2643 memcpy(dst
, src
, n
* sizeof(GLfloat
));
2645 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2647 struct z32f_x24s8
*d
= (struct z32f_x24s8
*) dst
;
2649 for (i
= 0; i
< n
; i
++) {
2655 _mesa_problem(NULL
, "unexpected format in _mesa_pack_float_z_row()");
2661 * The incoming Z values are always in the range [0, 0xffffffff].
2664 _mesa_pack_uint_z_row(mesa_format format
, GLuint n
,
2665 const GLuint
*src
, void *dst
)
2668 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2669 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
2671 /* don't disturb the stencil values */
2672 GLuint
*d
= ((GLuint
*) dst
);
2674 for (i
= 0; i
< n
; i
++) {
2675 GLuint s
= d
[i
] & 0xff;
2676 GLuint z
= src
[i
] & 0xffffff00;
2681 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2682 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
2684 /* don't disturb the stencil values */
2685 GLuint
*d
= ((GLuint
*) dst
);
2687 for (i
= 0; i
< n
; i
++) {
2688 GLuint s
= d
[i
] & 0xff000000;
2689 GLuint z
= src
[i
] >> 8;
2694 case MESA_FORMAT_Z_UNORM16
:
2696 GLushort
*d
= ((GLushort
*) dst
);
2698 for (i
= 0; i
< n
; i
++) {
2699 d
[i
] = src
[i
] >> 16;
2703 case MESA_FORMAT_Z_UNORM32
:
2704 memcpy(dst
, src
, n
* sizeof(GLfloat
));
2706 case MESA_FORMAT_Z_FLOAT32
:
2708 GLuint
*d
= ((GLuint
*) dst
);
2709 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffffff;
2711 for (i
= 0; i
< n
; i
++) {
2712 d
[i
] = (GLuint
) (src
[i
] * scale
);
2713 assert(d
[i
] >= 0.0f
);
2714 assert(d
[i
] <= 1.0f
);
2718 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2720 struct z32f_x24s8
*d
= (struct z32f_x24s8
*) dst
;
2721 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffffff;
2723 for (i
= 0; i
< n
; i
++) {
2724 d
[i
].z
= (GLfloat
) (src
[i
] * scale
);
2725 assert(d
[i
].z
>= 0.0f
);
2726 assert(d
[i
].z
<= 1.0f
);
2731 _mesa_problem(NULL
, "unexpected format in _mesa_pack_uint_z_row()");
2737 _mesa_pack_ubyte_stencil_row(mesa_format format
, GLuint n
,
2738 const GLubyte
*src
, void *dst
)
2741 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2743 /* don't disturb the Z values */
2744 GLuint
*d
= ((GLuint
*) dst
);
2746 for (i
= 0; i
< n
; i
++) {
2748 GLuint z
= d
[i
] & 0xffffff00;
2753 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2755 /* don't disturb the Z values */
2756 GLuint
*d
= ((GLuint
*) dst
);
2758 for (i
= 0; i
< n
; i
++) {
2759 GLuint s
= src
[i
] << 24;
2760 GLuint z
= d
[i
] & 0xffffff;
2765 case MESA_FORMAT_S_UINT8
:
2766 memcpy(dst
, src
, n
* sizeof(GLubyte
));
2768 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2770 struct z32f_x24s8
*d
= (struct z32f_x24s8
*) dst
;
2772 for (i
= 0; i
< n
; i
++) {
2773 d
[i
].x24s8
= src
[i
];
2778 _mesa_problem(NULL
, "unexpected format in _mesa_pack_ubyte_stencil_row()");
2784 * Incoming Z/stencil values are always in uint_24_8 format.
2787 _mesa_pack_uint_24_8_depth_stencil_row(mesa_format format
, GLuint n
,
2788 const GLuint
*src
, void *dst
)
2791 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2792 memcpy(dst
, src
, n
* sizeof(GLuint
));
2794 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2796 GLuint
*d
= ((GLuint
*) dst
);
2798 for (i
= 0; i
< n
; i
++) {
2799 GLuint s
= src
[i
] << 24;
2800 GLuint z
= src
[i
] >> 8;
2805 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2807 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffff;
2808 struct z32f_x24s8
*d
= (struct z32f_x24s8
*) dst
;
2810 for (i
= 0; i
< n
; i
++) {
2811 GLfloat z
= (GLfloat
) ((src
[i
] >> 8) * scale
);
2813 d
[i
].x24s8
= src
[i
];
2818 _mesa_problem(NULL
, "bad format %s in _mesa_pack_ubyte_s_row",
2819 _mesa_get_format_name(format
));
2827 * Convert a boolean color mask to a packed color where each channel of
2828 * the packed value at dst will be 0 or ~0 depending on the colorMask.
2831 _mesa_pack_colormask(mesa_format format
, const GLubyte colorMask
[4], void *dst
)
2833 GLfloat maskColor
[4];
2835 switch (_mesa_get_format_datatype(format
)) {
2836 case GL_UNSIGNED_NORMALIZED
:
2837 /* simple: 1.0 will convert to ~0 in the right bit positions */
2838 maskColor
[0] = colorMask
[0] ? 1.0f
: 0.0f
;
2839 maskColor
[1] = colorMask
[1] ? 1.0f
: 0.0f
;
2840 maskColor
[2] = colorMask
[2] ? 1.0f
: 0.0f
;
2841 maskColor
[3] = colorMask
[3] ? 1.0f
: 0.0f
;
2842 _mesa_pack_float_rgba_row(format
, 1,
2843 (const GLfloat (*)[4]) maskColor
, dst
);
2845 case GL_SIGNED_NORMALIZED
:
2847 /* These formats are harder because it's hard to know the floating
2848 * point values that will convert to ~0 for each color channel's bits.
2849 * This solution just generates a non-zero value for each color channel
2850 * then fixes up the non-zero values to be ~0.
2851 * Note: we'll need to add special case code if we ever have to deal
2852 * with formats with unequal color channel sizes, like R11_G11_B10.
2853 * We issue a warning below for channel sizes other than 8,16,32.
2856 GLuint bits
= _mesa_get_format_max_bits(format
); /* bits per chan */
2857 GLuint bytes
= _mesa_get_format_bytes(format
);
2860 /* this should put non-zero values into the channels of dst */
2861 maskColor
[0] = colorMask
[0] ? -1.0f
: 0.0f
;
2862 maskColor
[1] = colorMask
[1] ? -1.0f
: 0.0f
;
2863 maskColor
[2] = colorMask
[2] ? -1.0f
: 0.0f
;
2864 maskColor
[3] = colorMask
[3] ? -1.0f
: 0.0f
;
2865 _mesa_pack_float_rgba_row(format
, 1,
2866 (const GLfloat (*)[4]) maskColor
, dst
);
2868 /* fix-up the dst channels by converting non-zero values to ~0 */
2870 GLubyte
*d
= (GLubyte
*) dst
;
2871 for (i
= 0; i
< bytes
; i
++) {
2872 d
[i
] = d
[i
] ? 0xff : 0x0;
2875 else if (bits
== 16) {
2876 GLushort
*d
= (GLushort
*) dst
;
2877 for (i
= 0; i
< bytes
/ 2; i
++) {
2878 d
[i
] = d
[i
] ? 0xffff : 0x0;
2881 else if (bits
== 32) {
2882 GLuint
*d
= (GLuint
*) dst
;
2883 for (i
= 0; i
< bytes
/ 4; i
++) {
2884 d
[i
] = d
[i
] ? 0xffffffffU
: 0x0;
2888 _mesa_problem(NULL
, "unexpected size in _mesa_pack_colormask()");
2894 _mesa_problem(NULL
, "unexpected format data type in gen_color_mask()");