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"
46 /** Helper struct for MESA_FORMAT_Z32_FLOAT_S8X24_UINT */
54 typedef void (*pack_ubyte_rgba_row_func
)(GLuint n
,
55 const GLubyte src
[][4], void *dst
);
57 typedef void (*pack_float_rgba_row_func
)(GLuint n
,
58 const GLfloat src
[][4], void *dst
);
63 linear_to_srgb(GLfloat cl
)
67 else if (cl
< 0.0031308f
)
70 return 1.055f
* powf(cl
, 0.41666f
) - 0.055f
;
77 linear_float_to_srgb_ubyte(GLfloat cl
)
79 GLubyte res
= FLOAT_TO_UBYTE(linear_to_srgb(cl
));
85 linear_ubyte_to_srgb_ubyte(GLubyte cl
)
87 GLubyte res
= FLOAT_TO_UBYTE(linear_to_srgb(cl
/ 255.0f
));
95 * MESA_FORMAT_A8B8G8R8_UNORM
99 pack_ubyte_A8B8G8R8_UNORM(const GLubyte src
[4], void *dst
)
101 GLuint
*d
= ((GLuint
*) dst
);
102 *d
= PACK_COLOR_8888(src
[RCOMP
], src
[GCOMP
], src
[BCOMP
], src
[ACOMP
]);
106 pack_float_A8B8G8R8_UNORM(const GLfloat src
[4], void *dst
)
109 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
110 pack_ubyte_A8B8G8R8_UNORM(v
, dst
);
114 pack_row_ubyte_A8B8G8R8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
116 GLuint
*d
= ((GLuint
*) dst
);
118 for (i
= 0; i
< n
; i
++) {
119 d
[i
] = PACK_COLOR_8888(src
[i
][RCOMP
], src
[i
][GCOMP
],
120 src
[i
][BCOMP
], src
[i
][ACOMP
]);
125 pack_row_float_A8B8G8R8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
127 GLuint
*d
= ((GLuint
*) dst
);
129 for (i
= 0; i
< n
; i
++) {
131 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
132 pack_ubyte_A8B8G8R8_UNORM(v
, d
+ i
);
139 * MESA_FORMAT_R8G8B8A8_UNORM
143 pack_ubyte_R8G8B8A8_UNORM(const GLubyte src
[4], void *dst
)
145 GLuint
*d
= ((GLuint
*) dst
);
146 *d
= PACK_COLOR_8888(src
[ACOMP
], src
[BCOMP
], src
[GCOMP
], src
[RCOMP
]);
150 pack_float_R8G8B8A8_UNORM(const GLfloat src
[4], void *dst
)
153 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
154 pack_ubyte_R8G8B8A8_UNORM(v
, dst
);
158 pack_row_ubyte_R8G8B8A8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
160 GLuint
*d
= ((GLuint
*) dst
);
162 for (i
= 0; i
< n
; i
++) {
163 d
[i
] = PACK_COLOR_8888(src
[i
][ACOMP
], src
[i
][BCOMP
],
164 src
[i
][GCOMP
], src
[i
][RCOMP
]);
169 pack_row_float_R8G8B8A8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
171 GLuint
*d
= ((GLuint
*) dst
);
173 for (i
= 0; i
< n
; i
++) {
175 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
176 pack_ubyte_R8G8B8A8_UNORM(v
, d
+ i
);
182 * MESA_FORMAT_B8G8R8A8_UNORM
186 pack_ubyte_B8G8R8A8_UNORM(const GLubyte src
[4], void *dst
)
188 GLuint
*d
= ((GLuint
*) dst
);
189 *d
= PACK_COLOR_8888(src
[ACOMP
], src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
193 pack_float_B8G8R8A8_UNORM(const GLfloat src
[4], void *dst
)
196 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
197 pack_ubyte_B8G8R8A8_UNORM(v
, dst
);
201 pack_row_ubyte_B8G8R8A8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
203 GLuint
*d
= ((GLuint
*) dst
);
205 for (i
= 0; i
< n
; i
++) {
206 d
[i
] = PACK_COLOR_8888(src
[i
][ACOMP
], src
[i
][RCOMP
],
207 src
[i
][GCOMP
], src
[i
][BCOMP
]);
212 pack_row_float_B8G8R8A8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
214 GLuint
*d
= ((GLuint
*) dst
);
216 for (i
= 0; i
< n
; i
++) {
218 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
219 pack_ubyte_B8G8R8A8_UNORM(v
, d
+ i
);
225 * MESA_FORMAT_A8R8G8B8_UNORM
229 pack_ubyte_A8R8G8B8_UNORM(const GLubyte src
[4], void *dst
)
231 GLuint
*d
= ((GLuint
*) dst
);
232 *d
= PACK_COLOR_8888(src
[BCOMP
], src
[GCOMP
], src
[RCOMP
], src
[ACOMP
]);
236 pack_float_A8R8G8B8_UNORM(const GLfloat src
[4], void *dst
)
239 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
240 pack_ubyte_A8R8G8B8_UNORM(v
, dst
);
244 pack_row_ubyte_A8R8G8B8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
246 GLuint
*d
= ((GLuint
*) dst
);
248 for (i
= 0; i
< n
; i
++) {
249 d
[i
] = PACK_COLOR_8888(src
[i
][BCOMP
], src
[i
][GCOMP
],
250 src
[i
][RCOMP
], src
[i
][ACOMP
]);
255 pack_row_float_A8R8G8B8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
257 GLuint
*d
= ((GLuint
*) dst
);
259 for (i
= 0; i
< n
; i
++) {
261 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
262 pack_ubyte_A8R8G8B8_UNORM(v
, d
+ i
);
268 * MESA_FORMAT_B8G8R8X8_UNORM
272 pack_ubyte_B8G8R8X8_UNORM(const GLubyte src
[4], void *dst
)
274 GLuint
*d
= ((GLuint
*) dst
);
275 *d
= PACK_COLOR_8888(0x0, src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
279 pack_float_B8G8R8X8_UNORM(const GLfloat src
[4], void *dst
)
282 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
283 pack_ubyte_B8G8R8X8_UNORM(v
, dst
);
287 pack_row_ubyte_B8G8R8X8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
289 GLuint
*d
= ((GLuint
*) dst
);
291 for (i
= 0; i
< n
; i
++) {
292 d
[i
] = PACK_COLOR_8888(0, src
[i
][RCOMP
], src
[i
][GCOMP
], src
[i
][BCOMP
]);
297 pack_row_float_B8G8R8X8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
299 GLuint
*d
= ((GLuint
*) dst
);
301 for (i
= 0; i
< n
; i
++) {
303 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
304 pack_ubyte_B8G8R8X8_UNORM(v
, d
+ i
);
310 * MESA_FORMAT_X8R8G8B8_UNORM
314 pack_ubyte_X8R8G8B8_UNORM(const GLubyte src
[4], void *dst
)
316 GLuint
*d
= ((GLuint
*) dst
);
317 *d
= PACK_COLOR_8888(src
[BCOMP
], src
[GCOMP
], src
[RCOMP
], 0);
321 pack_float_X8R8G8B8_UNORM(const GLfloat src
[4], void *dst
)
324 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
325 pack_ubyte_X8R8G8B8_UNORM(v
, dst
);
329 pack_row_ubyte_X8R8G8B8_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
331 GLuint
*d
= ((GLuint
*) dst
);
333 for (i
= 0; i
< n
; i
++) {
334 d
[i
] = PACK_COLOR_8888(src
[i
][BCOMP
], src
[i
][GCOMP
], src
[i
][RCOMP
], 0);
339 pack_row_float_X8R8G8B8_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
341 GLuint
*d
= ((GLuint
*) dst
);
343 for (i
= 0; i
< n
; i
++) {
345 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
346 pack_ubyte_X8R8G8B8_UNORM(v
, d
+ i
);
352 * MESA_FORMAT_BGR_UNORM8
356 pack_ubyte_BGR_UNORM8(const GLubyte src
[4], void *dst
)
358 GLubyte
*d
= ((GLubyte
*) dst
);
365 pack_float_BGR_UNORM8(const GLfloat src
[4], void *dst
)
367 GLubyte
*d
= ((GLubyte
*) dst
);
368 UNCLAMPED_FLOAT_TO_UBYTE(d
[2], src
[RCOMP
]);
369 UNCLAMPED_FLOAT_TO_UBYTE(d
[1], src
[GCOMP
]);
370 UNCLAMPED_FLOAT_TO_UBYTE(d
[0], src
[BCOMP
]);
374 pack_row_ubyte_BGR_UNORM8(GLuint n
, const GLubyte src
[][4], void *dst
)
376 GLubyte
*d
= ((GLubyte
*) dst
);
378 for (i
= 0; i
< n
; i
++) {
379 d
[i
*3+2] = src
[i
][RCOMP
];
380 d
[i
*3+1] = src
[i
][GCOMP
];
381 d
[i
*3+0] = src
[i
][BCOMP
];
386 pack_row_float_BGR_UNORM8(GLuint n
, const GLfloat src
[][4], void *dst
)
388 GLubyte
*d
= ((GLubyte
*) dst
);
390 for (i
= 0; i
< n
; i
++) {
392 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
401 * MESA_FORMAT_RGB_UNORM8
405 pack_ubyte_RGB_UNORM8(const GLubyte src
[4], void *dst
)
407 GLubyte
*d
= ((GLubyte
*) dst
);
414 pack_float_RGB_UNORM8(const GLfloat src
[4], void *dst
)
416 GLubyte
*d
= ((GLubyte
*) dst
);
417 UNCLAMPED_FLOAT_TO_UBYTE(d
[2], src
[BCOMP
]);
418 UNCLAMPED_FLOAT_TO_UBYTE(d
[1], src
[GCOMP
]);
419 UNCLAMPED_FLOAT_TO_UBYTE(d
[0], src
[RCOMP
]);
423 pack_row_ubyte_RGB_UNORM8(GLuint n
, const GLubyte src
[][4], void *dst
)
425 GLubyte
*d
= ((GLubyte
*) dst
);
427 for (i
= 0; i
< n
; i
++) {
428 d
[i
*3+2] = src
[i
][BCOMP
];
429 d
[i
*3+1] = src
[i
][GCOMP
];
430 d
[i
*3+0] = src
[i
][RCOMP
];
435 pack_row_float_RGB_UNORM8(GLuint n
, const GLfloat src
[][4], void *dst
)
437 GLubyte
*d
= ((GLubyte
*) dst
);
439 for (i
= 0; i
< n
; i
++) {
441 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
450 * MESA_FORMAT_B5G6R5_UNORM
454 pack_ubyte_B5G6R5_UNORM(const GLubyte src
[4], void *dst
)
456 GLushort
*d
= ((GLushort
*) dst
);
457 *d
= PACK_COLOR_565(src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
461 pack_float_B5G6R5_UNORM(const GLfloat src
[4], void *dst
)
464 UNCLAMPED_FLOAT_TO_UBYTE(v
[0], src
[RCOMP
]);
465 UNCLAMPED_FLOAT_TO_UBYTE(v
[1], src
[GCOMP
]);
466 UNCLAMPED_FLOAT_TO_UBYTE(v
[2], src
[BCOMP
]);
467 pack_ubyte_B5G6R5_UNORM(v
, dst
);
471 pack_row_ubyte_B5G6R5_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
473 GLushort
*d
= ((GLushort
*) dst
);
475 for (i
= 0; i
< n
; i
++) {
476 pack_ubyte_B5G6R5_UNORM(src
[i
], d
+ i
);
481 pack_row_float_B5G6R5_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
483 GLushort
*d
= ((GLushort
*) dst
);
485 for (i
= 0; i
< n
; i
++) {
487 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
488 pack_ubyte_B5G6R5_UNORM(v
, d
+ i
);
494 * MESA_FORMAT_R5G6B5_UNORM
495 * Warning: these functions do not match the current Mesa definition
496 * of MESA_FORMAT_R5G6B5_UNORM.
500 pack_ubyte_R5G6B5_UNORM(const GLubyte src
[4], void *dst
)
502 GLushort
*d
= ((GLushort
*) dst
);
503 *d
= PACK_COLOR_565_REV(src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
507 pack_float_R5G6B5_UNORM(const GLfloat src
[4], void *dst
)
509 GLushort
*d
= ((GLushort
*) dst
);
511 UNCLAMPED_FLOAT_TO_UBYTE(r
, src
[RCOMP
]);
512 UNCLAMPED_FLOAT_TO_UBYTE(g
, src
[GCOMP
]);
513 UNCLAMPED_FLOAT_TO_UBYTE(b
, src
[BCOMP
]);
514 *d
= PACK_COLOR_565_REV(r
, g
, b
);
518 pack_row_ubyte_R5G6B5_UNORM(GLuint n
, const GLubyte src
[][4], void *dst
)
520 GLushort
*d
= ((GLushort
*) dst
);
522 for (i
= 0; i
< n
; i
++) {
523 pack_ubyte_R5G6B5_UNORM(src
[i
], d
+ i
);
528 pack_row_float_R5G6B5_UNORM(GLuint n
, const GLfloat src
[][4], void *dst
)
530 GLushort
*d
= ((GLushort
*) dst
);
532 for (i
= 0; i
< n
; i
++) {
534 _mesa_unclamped_float_rgba_to_ubyte(v
, src
[i
]);
535 pack_ubyte_R5G6B5_UNORM(v
, d
+ i
);
541 * MESA_FORMAT_B4G4R4A4_UNORM
545 pack_ubyte_B4G4R4A4_UNORM(const GLubyte src
[4], void *dst
)
547 GLushort
*d
= ((GLushort
*) dst
);
548 *d
= PACK_COLOR_4444(src
[ACOMP
], src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
552 pack_float_B4G4R4A4_UNORM(const GLfloat src
[4], void *dst
)
555 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
556 pack_ubyte_B4G4R4A4_UNORM(v
, dst
);
559 /* use fallback row packing functions */
563 * MESA_FORMAT_A4R4G4B4_UNORM
567 pack_ubyte_A4R4G4B4_UNORM(const GLubyte src
[4], void *dst
)
569 GLushort
*d
= ((GLushort
*) dst
);
570 *d
= PACK_COLOR_4444(src
[BCOMP
], src
[GCOMP
], src
[RCOMP
], src
[ACOMP
]);
574 pack_float_A4R4G4B4_UNORM(const GLfloat src
[4], void *dst
)
577 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
578 pack_ubyte_A4R4G4B4_UNORM(v
, dst
);
581 /* use fallback row packing functions */
585 * MESA_FORMAT_A1B5G5R5_UNORM
589 pack_ubyte_A1B5G5R5_UNORM(const GLubyte src
[4], void *dst
)
591 GLushort
*d
= ((GLushort
*) dst
);
592 *d
= PACK_COLOR_5551(src
[RCOMP
], src
[GCOMP
], src
[BCOMP
], src
[ACOMP
]);
596 pack_float_A1B5G5R5_UNORM(const GLfloat src
[4], void *dst
)
599 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
600 pack_ubyte_A1B5G5R5_UNORM(v
, dst
);
603 /* use fallback row packing functions */
607 * MESA_FORMAT_B5G5R5A1_UNORM
611 pack_ubyte_B5G5R5A1_UNORM(const GLubyte src
[4], void *dst
)
613 GLushort
*d
= ((GLushort
*) dst
);
614 *d
= PACK_COLOR_1555(src
[ACOMP
], src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
618 pack_float_B5G5R5A1_UNORM(const GLfloat src
[4], void *dst
)
621 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
622 pack_ubyte_B5G5R5A1_UNORM(v
, dst
);
626 /* MESA_FORMAT_A1R5G5B5_UNORM
627 * Warning: these functions do not match the current Mesa definition
628 * of MESA_FORMAT_A1R5G5B5_UNORM.
632 pack_ubyte_A1R5G5B5_UNORM(const GLubyte src
[4], void *dst
)
634 GLushort
*d
= ((GLushort
*) dst
), tmp
;
635 tmp
= PACK_COLOR_1555(src
[ACOMP
], src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
636 *d
= (tmp
>> 8) | (tmp
<< 8);
640 pack_float_A1R5G5B5_UNORM(const GLfloat src
[4], void *dst
)
643 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
644 pack_ubyte_A1R5G5B5_UNORM(v
, dst
);
648 /* MESA_FORMAT_L4A4_UNORM */
651 pack_ubyte_L4A4_UNORM(const GLubyte src
[4], void *dst
)
653 GLubyte
*d
= ((GLubyte
*) dst
);
654 *d
= PACK_COLOR_44(src
[ACOMP
], src
[RCOMP
]);
658 pack_float_L4A4_UNORM(const GLfloat src
[4], void *dst
)
661 UNCLAMPED_FLOAT_TO_UBYTE(v
[0], src
[RCOMP
]);
662 UNCLAMPED_FLOAT_TO_UBYTE(v
[3], src
[ACOMP
]);
663 pack_ubyte_L4A4_UNORM(v
, dst
);
667 /* MESA_FORMAT_L8A8_UNORM */
670 pack_ubyte_L8A8_UNORM(const GLubyte src
[4], void *dst
)
672 GLushort
*d
= ((GLushort
*) dst
);
673 *d
= PACK_COLOR_88(src
[ACOMP
], src
[RCOMP
]);
677 pack_float_L8A8_UNORM(const GLfloat src
[4], void *dst
)
680 UNCLAMPED_FLOAT_TO_UBYTE(v
[0], src
[RCOMP
]);
681 UNCLAMPED_FLOAT_TO_UBYTE(v
[3], src
[ACOMP
]);
682 pack_ubyte_L8A8_UNORM(v
, dst
);
686 /* MESA_FORMAT_A8L8_UNORM */
689 pack_ubyte_A8L8_UNORM(const GLubyte src
[4], void *dst
)
691 GLushort
*d
= ((GLushort
*) dst
);
692 *d
= PACK_COLOR_88(src
[RCOMP
], src
[ACOMP
]);
696 pack_float_A8L8_UNORM(const GLfloat src
[4], void *dst
)
699 UNCLAMPED_FLOAT_TO_UBYTE(v
[0], src
[RCOMP
]);
700 UNCLAMPED_FLOAT_TO_UBYTE(v
[3], src
[ACOMP
]);
701 pack_ubyte_A8L8_UNORM(v
, dst
);
705 /* MESA_FORMAT_L16A16_UNORM */
708 pack_ubyte_L16A16_UNORM(const GLubyte src
[4], void *dst
)
710 GLuint
*d
= ((GLuint
*) dst
);
711 GLushort l
= UBYTE_TO_USHORT(src
[RCOMP
]);
712 GLushort a
= UBYTE_TO_USHORT(src
[ACOMP
]);
713 *d
= PACK_COLOR_1616(a
, l
);
717 pack_float_L16A16_UNORM(const GLfloat src
[4], void *dst
)
719 GLuint
*d
= ((GLuint
*) dst
);
721 UNCLAMPED_FLOAT_TO_USHORT(l
, src
[RCOMP
]);
722 UNCLAMPED_FLOAT_TO_USHORT(a
, src
[ACOMP
]);
723 *d
= PACK_COLOR_1616(a
, l
);
727 /* MESA_FORMAT_A16L16_UNORM */
730 pack_ubyte_A16L16_UNORM(const GLubyte src
[4], void *dst
)
732 GLuint
*d
= ((GLuint
*) dst
);
733 GLushort l
= UBYTE_TO_USHORT(src
[RCOMP
]);
734 GLushort a
= UBYTE_TO_USHORT(src
[ACOMP
]);
735 *d
= PACK_COLOR_1616(l
, a
);
739 pack_float_A16L16_UNORM(const GLfloat src
[4], void *dst
)
741 GLuint
*d
= ((GLuint
*) dst
);
743 UNCLAMPED_FLOAT_TO_USHORT(l
, src
[RCOMP
]);
744 UNCLAMPED_FLOAT_TO_USHORT(a
, src
[ACOMP
]);
745 *d
= PACK_COLOR_1616(l
, a
);
749 /* MESA_FORMAT_B2G3R3_UNORM */
752 pack_ubyte_B2G3R3_UNORM(const GLubyte src
[4], void *dst
)
754 GLubyte
*d
= ((GLubyte
*) dst
);
755 *d
= PACK_COLOR_332(src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
759 pack_float_B2G3R3_UNORM(const GLfloat src
[4], void *dst
)
762 UNCLAMPED_FLOAT_TO_UBYTE(v
[0], src
[RCOMP
]);
763 UNCLAMPED_FLOAT_TO_UBYTE(v
[1], src
[GCOMP
]);
764 UNCLAMPED_FLOAT_TO_UBYTE(v
[2], src
[BCOMP
]);
765 pack_ubyte_B2G3R3_UNORM(v
, dst
);
769 /* MESA_FORMAT_A_UNORM8 */
772 pack_ubyte_A_UNORM8(const GLubyte src
[4], void *dst
)
774 GLubyte
*d
= ((GLubyte
*) dst
);
779 pack_float_A_UNORM8(const GLfloat src
[4], void *dst
)
781 GLubyte
*d
= ((GLubyte
*) dst
);
782 UNCLAMPED_FLOAT_TO_UBYTE(d
[0], src
[ACOMP
]);
786 /* MESA_FORMAT_A_UNORM16 */
789 pack_ubyte_A_UNORM16(const GLubyte src
[4], void *dst
)
791 GLushort
*d
= ((GLushort
*) dst
);
792 *d
= UBYTE_TO_USHORT(src
[ACOMP
]);
796 pack_float_A_UNORM16(const GLfloat src
[4], void *dst
)
798 GLushort
*d
= ((GLushort
*) dst
);
799 UNCLAMPED_FLOAT_TO_USHORT(d
[0], src
[ACOMP
]);
803 /* MESA_FORMAT_L_UNORM8 */
806 pack_ubyte_L_UNORM8(const GLubyte src
[4], void *dst
)
808 GLubyte
*d
= ((GLubyte
*) dst
);
813 pack_float_L_UNORM8(const GLfloat src
[4], void *dst
)
815 GLubyte
*d
= ((GLubyte
*) dst
);
816 UNCLAMPED_FLOAT_TO_UBYTE(d
[0], src
[RCOMP
]);
820 /* MESA_FORMAT_L_UNORM16 */
823 pack_ubyte_L_UNORM16(const GLubyte src
[4], void *dst
)
825 GLushort
*d
= ((GLushort
*) dst
);
826 *d
= UBYTE_TO_USHORT(src
[RCOMP
]);
830 pack_float_L_UNORM16(const GLfloat src
[4], void *dst
)
832 GLushort
*d
= ((GLushort
*) dst
);
833 UNCLAMPED_FLOAT_TO_USHORT(d
[0], src
[RCOMP
]);
837 /* MESA_FORMAT_YCBCR */
840 pack_ubyte_YCBCR(const GLubyte src
[4], void *dst
)
846 pack_float_YCBCR(const GLfloat src
[4], void *dst
)
852 /* MESA_FORMAT_YCBCR_REV */
855 pack_ubyte_YCBCR_REV(const GLubyte src
[4], void *dst
)
861 pack_float_YCBCR_REV(const GLfloat src
[4], void *dst
)
867 /* MESA_FORMAT_R_UNORM8 */
870 pack_ubyte_R_UNORM8(const GLubyte src
[4], void *dst
)
872 GLubyte
*d
= ((GLubyte
*) dst
);
877 pack_float_R_UNORM8(const GLfloat src
[4], void *dst
)
879 GLubyte
*d
= ((GLubyte
*) dst
);
881 UNCLAMPED_FLOAT_TO_UBYTE(r
, src
[RCOMP
]);
886 /* MESA_FORMAT_R8G8_UNORM */
889 pack_ubyte_R8G8_UNORM(const GLubyte src
[4], void *dst
)
891 GLubyte
*d
= ((GLubyte
*) dst
);
892 *d
= PACK_COLOR_88(src
[GCOMP
], src
[RCOMP
]);
896 pack_float_R8G8_UNORM(const GLfloat src
[4], void *dst
)
898 GLushort
*d
= ((GLushort
*) dst
);
900 UNCLAMPED_FLOAT_TO_UBYTE(r
, src
[RCOMP
]);
901 UNCLAMPED_FLOAT_TO_UBYTE(g
, src
[GCOMP
]);
902 *d
= PACK_COLOR_88(g
, r
);
906 /* MESA_FORMAT_G8R8_UNORM */
909 pack_ubyte_G8R8_UNORM(const GLubyte src
[4], void *dst
)
911 GLubyte
*d
= ((GLubyte
*) dst
);
912 *d
= PACK_COLOR_88(src
[RCOMP
], src
[GCOMP
]);
916 pack_float_G8R8_UNORM(const GLfloat src
[4], void *dst
)
918 GLushort
*d
= ((GLushort
*) dst
);
920 UNCLAMPED_FLOAT_TO_UBYTE(r
, src
[RCOMP
]);
921 UNCLAMPED_FLOAT_TO_UBYTE(g
, src
[GCOMP
]);
922 *d
= PACK_COLOR_88(r
, g
);
926 /* MESA_FORMAT_R_UNORM16 */
929 pack_ubyte_R_UNORM16(const GLubyte src
[4], void *dst
)
931 GLushort
*d
= ((GLushort
*) dst
);
932 *d
= UBYTE_TO_USHORT(src
[RCOMP
]);
936 pack_float_R_UNORM16(const GLfloat src
[4], void *dst
)
938 GLushort
*d
= ((GLushort
*) dst
);
939 UNCLAMPED_FLOAT_TO_USHORT(d
[0], src
[RCOMP
]);
943 /* MESA_FORMAT_R16G16_UNORM */
946 pack_ubyte_R16G16_UNORM(const GLubyte src
[4], void *dst
)
948 GLuint
*d
= ((GLuint
*) dst
);
949 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
950 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
951 *d
= PACK_COLOR_1616(g
, r
);
955 pack_float_R16G16_UNORM(const GLfloat src
[4], void *dst
)
957 GLuint
*d
= ((GLuint
*) dst
);
959 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
960 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
961 *d
= PACK_COLOR_1616(g
, r
);
965 /* MESA_FORMAT_G16R16_UNORM */
968 pack_ubyte_G16R16_UNORM(const GLubyte src
[4], void *dst
)
970 GLuint
*d
= ((GLuint
*) dst
);
971 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
972 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
973 *d
= PACK_COLOR_1616(r
, g
);
978 pack_float_G16R16_UNORM(const GLfloat src
[4], void *dst
)
980 GLuint
*d
= ((GLuint
*) dst
);
982 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
983 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
984 *d
= PACK_COLOR_1616(r
, g
);
988 /* MESA_FORMAT_B10G10R10A2_UNORM */
991 pack_ubyte_B10G10R10A2_UNORM(const GLubyte src
[4], void *dst
)
993 GLuint
*d
= ((GLuint
*) dst
);
994 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
995 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
996 GLushort b
= UBYTE_TO_USHORT(src
[BCOMP
]);
997 GLushort a
= UBYTE_TO_USHORT(src
[ACOMP
]);
998 *d
= PACK_COLOR_2101010_US(a
, r
, g
, b
);
1002 pack_float_B10G10R10A2_UNORM(const GLfloat src
[4], void *dst
)
1004 GLuint
*d
= ((GLuint
*) dst
);
1005 GLushort r
, g
, b
, a
;
1006 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
1007 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
1008 UNCLAMPED_FLOAT_TO_USHORT(b
, src
[BCOMP
]);
1009 UNCLAMPED_FLOAT_TO_USHORT(a
, src
[ACOMP
]);
1010 *d
= PACK_COLOR_2101010_US(a
, r
, g
, b
);
1014 /* MESA_FORMAT_R10G10B10A2_UINT */
1017 pack_ubyte_R10G10B10A2_UINT(const GLubyte src
[4], void *dst
)
1019 GLuint
*d
= ((GLuint
*) dst
);
1020 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
1021 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
1022 GLushort b
= UBYTE_TO_USHORT(src
[BCOMP
]);
1023 GLushort a
= UBYTE_TO_USHORT(src
[ACOMP
]);
1024 *d
= PACK_COLOR_2101010_US(a
, b
, g
, r
);
1028 pack_float_R10G10B10A2_UINT(const GLfloat src
[4], void *dst
)
1030 GLuint
*d
= ((GLuint
*) dst
);
1031 GLushort r
, g
, b
, a
;
1032 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
1033 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
1034 UNCLAMPED_FLOAT_TO_USHORT(b
, src
[BCOMP
]);
1035 UNCLAMPED_FLOAT_TO_USHORT(a
, src
[ACOMP
]);
1036 *d
= PACK_COLOR_2101010_US(a
, b
, g
, r
);
1040 /* MESA_FORMAT_BGR_SRGB8 */
1043 pack_ubyte_BGR_SRGB8(const GLubyte src
[4], void *dst
)
1045 GLubyte
*d
= ((GLubyte
*) dst
);
1046 d
[2] = linear_ubyte_to_srgb_ubyte(src
[RCOMP
]);
1047 d
[1] = linear_ubyte_to_srgb_ubyte(src
[GCOMP
]);
1048 d
[0] = linear_ubyte_to_srgb_ubyte(src
[BCOMP
]);
1052 pack_float_BGR_SRGB8(const GLfloat src
[4], void *dst
)
1054 GLubyte
*d
= ((GLubyte
*) dst
);
1055 d
[2] = linear_float_to_srgb_ubyte(src
[RCOMP
]);
1056 d
[1] = linear_float_to_srgb_ubyte(src
[GCOMP
]);
1057 d
[0] = linear_float_to_srgb_ubyte(src
[BCOMP
]);
1061 /* MESA_FORMAT_A8B8G8R8_SRGB */
1064 pack_ubyte_A8B8G8R8_SRGB(const GLubyte src
[4], void *dst
)
1066 GLuint
*d
= ((GLuint
*) dst
);
1067 GLubyte r
= linear_ubyte_to_srgb_ubyte(src
[RCOMP
]);
1068 GLubyte g
= linear_ubyte_to_srgb_ubyte(src
[GCOMP
]);
1069 GLubyte b
= linear_ubyte_to_srgb_ubyte(src
[BCOMP
]);
1070 *d
= PACK_COLOR_8888(r
, g
, b
, src
[ACOMP
]);
1074 pack_float_A8B8G8R8_SRGB(const GLfloat src
[4], void *dst
)
1076 GLuint
*d
= ((GLuint
*) dst
);
1078 r
= linear_float_to_srgb_ubyte(src
[RCOMP
]);
1079 g
= linear_float_to_srgb_ubyte(src
[GCOMP
]);
1080 b
= linear_float_to_srgb_ubyte(src
[BCOMP
]);
1081 UNCLAMPED_FLOAT_TO_UBYTE(a
, src
[ACOMP
]);
1082 *d
= PACK_COLOR_8888(r
, g
, b
, a
);
1086 /* MESA_FORMAT_B8G8R8A8_SRGB */
1089 pack_ubyte_B8G8R8A8_SRGB(const GLubyte src
[4], void *dst
)
1091 GLuint
*d
= ((GLuint
*) dst
);
1092 GLubyte r
= linear_ubyte_to_srgb_ubyte(src
[RCOMP
]);
1093 GLubyte g
= linear_ubyte_to_srgb_ubyte(src
[GCOMP
]);
1094 GLubyte b
= linear_ubyte_to_srgb_ubyte(src
[BCOMP
]);
1095 *d
= PACK_COLOR_8888(src
[ACOMP
], r
, g
, b
);
1099 pack_float_B8G8R8A8_SRGB(const GLfloat src
[4], void *dst
)
1101 GLuint
*d
= ((GLuint
*) dst
);
1103 r
= linear_float_to_srgb_ubyte(src
[RCOMP
]);
1104 g
= linear_float_to_srgb_ubyte(src
[GCOMP
]);
1105 b
= linear_float_to_srgb_ubyte(src
[BCOMP
]);
1106 UNCLAMPED_FLOAT_TO_UBYTE(a
, src
[ACOMP
]);
1107 *d
= PACK_COLOR_8888(a
, r
, g
, b
);
1111 /* MESA_FORMAT_R8G8B8A8_SRGB */
1114 pack_ubyte_R8G8B8A8_SRGB(const GLubyte src
[4], void *dst
)
1116 GLuint
*d
= ((GLuint
*) dst
);
1117 GLubyte r
= linear_ubyte_to_srgb_ubyte(src
[RCOMP
]);
1118 GLubyte g
= linear_ubyte_to_srgb_ubyte(src
[GCOMP
]);
1119 GLubyte b
= linear_ubyte_to_srgb_ubyte(src
[BCOMP
]);
1120 *d
= PACK_COLOR_8888(src
[ACOMP
], b
, g
, r
);
1124 pack_float_R8G8B8A8_SRGB(const GLfloat src
[4], void *dst
)
1126 GLuint
*d
= ((GLuint
*) dst
);
1128 r
= linear_float_to_srgb_ubyte(src
[RCOMP
]);
1129 g
= linear_float_to_srgb_ubyte(src
[GCOMP
]);
1130 b
= linear_float_to_srgb_ubyte(src
[BCOMP
]);
1131 UNCLAMPED_FLOAT_TO_UBYTE(a
, src
[ACOMP
]);
1132 *d
= PACK_COLOR_8888(a
, b
, g
, r
);
1136 /* MESA_FORMAT_L_SRGB8 */
1139 pack_ubyte_L_SRGB8(const GLubyte src
[4], void *dst
)
1141 GLubyte
*d
= ((GLubyte
*) dst
);
1142 *d
= linear_ubyte_to_srgb_ubyte(src
[RCOMP
]);
1146 pack_float_L_SRGB8(const GLfloat src
[4], void *dst
)
1148 GLubyte
*d
= ((GLubyte
*) dst
);
1149 GLubyte l
= linear_float_to_srgb_ubyte(src
[RCOMP
]);
1154 /* MESA_FORMAT_L8A8_SRGB */
1157 pack_ubyte_L8A8_SRGB(const GLubyte src
[4], void *dst
)
1159 GLushort
*d
= ((GLushort
*) dst
);
1160 GLubyte l
= linear_ubyte_to_srgb_ubyte(src
[RCOMP
]);
1161 *d
= PACK_COLOR_88(src
[ACOMP
], l
);
1165 pack_float_L8A8_SRGB(const GLfloat src
[4], void *dst
)
1167 GLushort
*d
= ((GLushort
*) dst
);
1168 GLubyte a
, l
= linear_float_to_srgb_ubyte(src
[RCOMP
]);
1169 CLAMPED_FLOAT_TO_UBYTE(a
, src
[ACOMP
]);
1170 *d
= PACK_COLOR_88(a
, l
);
1174 /* MESA_FORMAT_RGBA_FLOAT32 */
1177 pack_ubyte_RGBA_FLOAT32(const GLubyte src
[4], void *dst
)
1179 GLfloat
*d
= ((GLfloat
*) dst
);
1180 d
[0] = UBYTE_TO_FLOAT(src
[0]);
1181 d
[1] = UBYTE_TO_FLOAT(src
[1]);
1182 d
[2] = UBYTE_TO_FLOAT(src
[2]);
1183 d
[3] = UBYTE_TO_FLOAT(src
[3]);
1187 pack_float_RGBA_FLOAT32(const GLfloat src
[4], void *dst
)
1189 GLfloat
*d
= ((GLfloat
*) dst
);
1197 /* MESA_FORMAT_RGBA_FLOAT16 */
1200 pack_ubyte_RGBA_FLOAT16(const GLubyte src
[4], void *dst
)
1202 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1203 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[0]));
1204 d
[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[1]));
1205 d
[2] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[2]));
1206 d
[3] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[3]));
1210 pack_float_RGBA_FLOAT16(const GLfloat src
[4], void *dst
)
1212 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1213 d
[0] = _mesa_float_to_half(src
[0]);
1214 d
[1] = _mesa_float_to_half(src
[1]);
1215 d
[2] = _mesa_float_to_half(src
[2]);
1216 d
[3] = _mesa_float_to_half(src
[3]);
1220 /* MESA_FORMAT_RGB_FLOAT32 */
1223 pack_ubyte_RGB_FLOAT32(const GLubyte src
[4], void *dst
)
1225 GLfloat
*d
= ((GLfloat
*) dst
);
1226 d
[0] = UBYTE_TO_FLOAT(src
[0]);
1227 d
[1] = UBYTE_TO_FLOAT(src
[1]);
1228 d
[2] = UBYTE_TO_FLOAT(src
[2]);
1232 pack_float_RGB_FLOAT32(const GLfloat src
[4], void *dst
)
1234 GLfloat
*d
= ((GLfloat
*) dst
);
1241 /* MESA_FORMAT_RGB_FLOAT16 */
1244 pack_ubyte_RGB_FLOAT16(const GLubyte src
[4], void *dst
)
1246 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1247 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[0]));
1248 d
[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[1]));
1249 d
[2] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[2]));
1253 pack_float_RGB_FLOAT16(const GLfloat src
[4], void *dst
)
1255 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1256 d
[0] = _mesa_float_to_half(src
[0]);
1257 d
[1] = _mesa_float_to_half(src
[1]);
1258 d
[2] = _mesa_float_to_half(src
[2]);
1262 /* MESA_FORMAT_A_FLOAT32 */
1265 pack_ubyte_A_FLOAT32(const GLubyte src
[4], void *dst
)
1267 GLfloat
*d
= ((GLfloat
*) dst
);
1268 d
[0] = UBYTE_TO_FLOAT(src
[ACOMP
]);
1272 pack_float_A_FLOAT32(const GLfloat src
[4], void *dst
)
1274 GLfloat
*d
= ((GLfloat
*) dst
);
1279 /* MESA_FORMAT_A_FLOAT16 */
1282 pack_ubyte_A_FLOAT16(const GLubyte src
[4], void *dst
)
1284 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1285 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[ACOMP
]));
1289 pack_float_A_FLOAT16(const GLfloat src
[4], void *dst
)
1291 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1292 d
[0] = _mesa_float_to_half(src
[ACOMP
]);
1296 /* MESA_FORMAT_L_FLOAT32 (and I_FLOAT32, R_FLOAT32) */
1299 pack_ubyte_L_FLOAT32(const GLubyte src
[4], void *dst
)
1301 GLfloat
*d
= ((GLfloat
*) dst
);
1302 d
[0] = UBYTE_TO_FLOAT(src
[RCOMP
]);
1306 pack_float_L_FLOAT32(const GLfloat src
[4], void *dst
)
1308 GLfloat
*d
= ((GLfloat
*) dst
);
1313 /* MESA_FORMAT_L_FLOAT16 (and I_FLOAT16, R_FLOAT32) */
1316 pack_ubyte_L_FLOAT16(const GLubyte src
[4], void *dst
)
1318 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1319 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[RCOMP
]));
1323 pack_float_L_FLOAT16(const GLfloat src
[4], void *dst
)
1325 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1326 d
[0] = _mesa_float_to_half(src
[RCOMP
]);
1330 /* MESA_FORMAT_LA_FLOAT32 */
1333 pack_ubyte_LA_FLOAT32(const GLubyte src
[4], void *dst
)
1335 GLfloat
*d
= ((GLfloat
*) dst
);
1336 d
[0] = UBYTE_TO_FLOAT(src
[RCOMP
]);
1337 d
[1] = UBYTE_TO_FLOAT(src
[ACOMP
]);
1341 pack_float_LA_FLOAT32(const GLfloat src
[4], void *dst
)
1343 GLfloat
*d
= ((GLfloat
*) dst
);
1349 /* MESA_FORMAT_LA_FLOAT16 */
1352 pack_ubyte_LA_FLOAT16(const GLubyte src
[4], void *dst
)
1354 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1355 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[RCOMP
]));
1356 d
[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[ACOMP
]));
1360 pack_float_LA_FLOAT16(const GLfloat src
[4], void *dst
)
1362 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1363 d
[0] = _mesa_float_to_half(src
[RCOMP
]);
1364 d
[1] = _mesa_float_to_half(src
[ACOMP
]);
1368 /* MESA_FORMAT_RG_FLOAT32 */
1371 pack_ubyte_RG_FLOAT32(const GLubyte src
[4], void *dst
)
1373 GLfloat
*d
= ((GLfloat
*) dst
);
1374 d
[0] = UBYTE_TO_FLOAT(src
[RCOMP
]);
1375 d
[1] = UBYTE_TO_FLOAT(src
[GCOMP
]);
1379 pack_float_RG_FLOAT32(const GLfloat src
[4], void *dst
)
1381 GLfloat
*d
= ((GLfloat
*) dst
);
1387 /* MESA_FORMAT_RG_FLOAT16 */
1390 pack_ubyte_RG_FLOAT16(const GLubyte src
[4], void *dst
)
1392 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1393 d
[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[RCOMP
]));
1394 d
[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src
[GCOMP
]));
1398 pack_float_RG_FLOAT16(const GLfloat src
[4], void *dst
)
1400 GLhalfARB
*d
= ((GLhalfARB
*) dst
);
1401 d
[0] = _mesa_float_to_half(src
[RCOMP
]);
1402 d
[1] = _mesa_float_to_half(src
[GCOMP
]);
1406 /* MESA_FORMAT_DUDV8 */
1409 pack_ubyte_DUDV8(const GLubyte src
[4], void *dst
)
1411 /* XXX is this ever used? */
1412 GLushort
*d
= ((GLushort
*) dst
);
1413 *d
= PACK_COLOR_88(src
[0], src
[1]);
1417 pack_float_DUDV8(const GLfloat src
[4], void *dst
)
1419 GLushort
*d
= ((GLushort
*) dst
);
1421 du
= FLOAT_TO_BYTE(CLAMP(src
[0], 0.0F
, 1.0F
));
1422 dv
= FLOAT_TO_BYTE(CLAMP(src
[1], 0.0F
, 1.0F
));
1423 *d
= PACK_COLOR_88(du
, dv
);
1427 /* MESA_FORMAT_RGBA_UNORM16 */
1430 pack_ubyte_RGBA_16(const GLubyte src
[4], void *dst
)
1432 GLushort
*d
= ((GLushort
*) dst
);
1433 d
[0] = UBYTE_TO_USHORT(src
[RCOMP
]);
1434 d
[1] = UBYTE_TO_USHORT(src
[GCOMP
]);
1435 d
[2] = UBYTE_TO_USHORT(src
[BCOMP
]);
1436 d
[3] = UBYTE_TO_USHORT(src
[ACOMP
]);
1440 pack_float_RGBA_16(const GLfloat src
[4], void *dst
)
1442 GLushort
*d
= ((GLushort
*) dst
);
1443 UNCLAMPED_FLOAT_TO_USHORT(d
[0], src
[RCOMP
]);
1444 UNCLAMPED_FLOAT_TO_USHORT(d
[1], src
[GCOMP
]);
1445 UNCLAMPED_FLOAT_TO_USHORT(d
[2], src
[BCOMP
]);
1446 UNCLAMPED_FLOAT_TO_USHORT(d
[3], src
[ACOMP
]);
1452 * MESA_FORMAT_R_SNORM8
1456 pack_float_R_SNORM8(const GLfloat src
[4], void *dst
)
1458 GLbyte
*d
= (GLbyte
*) dst
;
1459 *d
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1464 * MESA_FORMAT_R8G8_SNORM
1468 pack_float_R8G8_SNORM(const GLfloat src
[4], void *dst
)
1470 GLushort
*d
= (GLushort
*) dst
;
1471 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1472 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1478 * MESA_FORMAT_X8B8G8R8_SNORM
1482 pack_float_X8B8G8R8_SNORM(const GLfloat src
[4], void *dst
)
1484 GLuint
*d
= (GLuint
*) dst
;
1485 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1486 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1487 GLbyte b
= FLOAT_TO_BYTE(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1489 *d
= PACK_COLOR_8888(r
, g
, b
, a
);
1494 * MESA_FORMAT_A8B8G8R8_SNORM
1498 pack_float_A8B8G8R8_SNORM(const GLfloat src
[4], void *dst
)
1500 GLuint
*d
= (GLuint
*) dst
;
1501 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1502 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1503 GLbyte b
= FLOAT_TO_BYTE(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1504 GLbyte a
= FLOAT_TO_BYTE(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1505 *d
= PACK_COLOR_8888(r
, g
, b
, a
);
1510 * MESA_FORMAT_R8G8B8A8_SNORM
1514 pack_float_R8G8B8A8_SNORM(const GLfloat src
[4], void *dst
)
1516 GLuint
*d
= (GLuint
*) dst
;
1517 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1518 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1519 GLbyte b
= FLOAT_TO_BYTE(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1520 GLbyte a
= FLOAT_TO_BYTE(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1521 *d
= PACK_COLOR_8888(a
, b
, g
, r
);
1526 * MESA_FORMAT_R_SNORM16
1530 pack_float_R_SNORM16(const GLfloat src
[4], void *dst
)
1532 GLshort
*d
= (GLshort
*) dst
;
1533 *d
= FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1538 * MESA_FORMAT_R16G16_SNORM
1542 pack_float_R16G16_SNORM(const GLfloat src
[4], void *dst
)
1544 GLuint
*d
= (GLuint
*) dst
;
1545 GLshort r
= FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1546 GLshort g
= FLOAT_TO_SHORT(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1547 *d
= (g
<< 16) | (r
& 0xffff);
1552 * MESA_FORMAT_RGB_SNORM16
1556 pack_float_RGB_SNORM16(const GLfloat src
[4], void *dst
)
1558 GLshort
*d
= (GLshort
*) dst
;
1559 d
[0] = FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1560 d
[1] = FLOAT_TO_SHORT(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1561 d
[2] = FLOAT_TO_SHORT(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1566 * MESA_FORMAT_RGBA_SNORM16
1570 pack_float_RGBA_SNORM16(const GLfloat src
[4], void *dst
)
1572 GLshort
*d
= (GLshort
*) dst
;
1573 d
[0] = FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1574 d
[1] = FLOAT_TO_SHORT(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1575 d
[2] = FLOAT_TO_SHORT(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1576 d
[3] = FLOAT_TO_SHORT(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1581 * MESA_FORMAT_A_SNORM8
1585 pack_float_A_SNORM8(const GLfloat src
[4], void *dst
)
1587 GLbyte
*d
= (GLbyte
*) dst
;
1588 *d
= FLOAT_TO_BYTE(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1593 * MESA_FORMAT_L_SNORM8
1597 pack_float_L_SNORM8(const GLfloat src
[4], void *dst
)
1599 GLbyte
*d
= (GLbyte
*) dst
;
1600 *d
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1605 * MESA_FORMAT_L8A8_SNORM
1609 pack_float_L8A8_SNORM(const GLfloat src
[4], void *dst
)
1611 GLushort
*d
= (GLushort
*) dst
;
1612 GLbyte l
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1613 GLbyte a
= FLOAT_TO_BYTE(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1619 * MESA_FORMAT_A_SNORM16
1623 pack_float_A_SNORM16(const GLfloat src
[4], void *dst
)
1625 GLshort
*d
= (GLshort
*) dst
;
1626 *d
= FLOAT_TO_SHORT(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1631 * MESA_FORMAT_L_SNORM16
1635 pack_float_L_SNORM16(const GLfloat src
[4], void *dst
)
1637 GLshort
*d
= (GLshort
*) dst
;
1638 *d
= FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1643 * MESA_FORMAT_LA_SNORM16
1647 pack_float_LA_SNORM16(const GLfloat src
[4], void *dst
)
1649 GLuint
*d
= (GLuint
*) dst
;
1650 GLshort l
= FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1651 GLshort a
= FLOAT_TO_SHORT(CLAMP(src
[ACOMP
], -1.0f
, 1.0f
));
1652 *d
= PACK_COLOR_1616(a
, l
);
1657 * MESA_FORMAT_R9G9B9E5_FLOAT;
1661 pack_float_R9G9B9E5_FLOAT(const GLfloat src
[4], void *dst
)
1663 GLuint
*d
= (GLuint
*) dst
;
1664 *d
= float3_to_rgb9e5(src
);
1668 pack_ubyte_R9G9B9E5_FLOAT(const GLubyte src
[4], void *dst
)
1670 GLuint
*d
= (GLuint
*) dst
;
1672 rgb
[0] = UBYTE_TO_FLOAT(src
[RCOMP
]);
1673 rgb
[1] = UBYTE_TO_FLOAT(src
[GCOMP
]);
1674 rgb
[2] = UBYTE_TO_FLOAT(src
[BCOMP
]);
1675 *d
= float3_to_rgb9e5(rgb
);
1681 * MESA_FORMAT_R11G11B10_FLOAT;
1685 pack_ubyte_R11G11B10_FLOAT(const GLubyte src
[4], void *dst
)
1687 GLuint
*d
= (GLuint
*) dst
;
1689 rgb
[0] = UBYTE_TO_FLOAT(src
[RCOMP
]);
1690 rgb
[1] = UBYTE_TO_FLOAT(src
[GCOMP
]);
1691 rgb
[2] = UBYTE_TO_FLOAT(src
[BCOMP
]);
1692 *d
= float3_to_r11g11b10f(rgb
);
1696 pack_float_R11G11B10_FLOAT(const GLfloat src
[4], void *dst
)
1698 GLuint
*d
= (GLuint
*) dst
;
1699 *d
= float3_to_r11g11b10f(src
);
1704 * MESA_FORMAT_B4G4R4X4_UNORM
1708 pack_ubyte_XRGB4444_UNORM(const GLubyte src
[4], void *dst
)
1710 GLushort
*d
= ((GLushort
*) dst
);
1711 *d
= PACK_COLOR_4444(255, src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
1715 pack_float_XRGB4444_UNORM(const GLfloat src
[4], void *dst
)
1718 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
1719 pack_ubyte_XRGB4444_UNORM(v
, dst
);
1724 * MESA_FORMAT_B5G5R5X1_UNORM
1728 pack_ubyte_XRGB1555_UNORM(const GLubyte src
[4], void *dst
)
1730 GLushort
*d
= ((GLushort
*) dst
);
1731 *d
= PACK_COLOR_1555(255, src
[RCOMP
], src
[GCOMP
], src
[BCOMP
]);
1735 pack_float_XRGB1555_UNORM(const GLfloat src
[4], void *dst
)
1738 _mesa_unclamped_float_rgba_to_ubyte(v
, src
);
1739 pack_ubyte_XRGB1555_UNORM(v
, dst
);
1744 * MESA_FORMAT_R8G8B8X8_SNORM
1748 pack_float_XBGR8888_SNORM(const GLfloat src
[4], void *dst
)
1750 GLuint
*d
= (GLuint
*) dst
;
1751 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1752 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1753 GLbyte b
= FLOAT_TO_BYTE(CLAMP(src
[BCOMP
], -1.0f
, 1.0f
));
1754 *d
= PACK_COLOR_8888(127, b
, g
, r
);
1759 * MESA_FORMAT_R8G8B8X8_SRGB
1763 pack_float_R8G8B8X8_SRGB(const GLfloat src
[4], void *dst
)
1765 GLuint
*d
= (GLuint
*) dst
;
1766 GLubyte r
= linear_float_to_srgb_ubyte(src
[RCOMP
]);
1767 GLubyte g
= linear_float_to_srgb_ubyte(src
[GCOMP
]);
1768 GLubyte b
= linear_float_to_srgb_ubyte(src
[BCOMP
]);
1769 *d
= PACK_COLOR_8888(127, b
, g
, r
);
1773 /* MESA_FORMAT_B10G10R10X2_UNORM */
1776 pack_ubyte_B10G10R10X2_UNORM(const GLubyte src
[4], void *dst
)
1778 GLuint
*d
= ((GLuint
*) dst
);
1779 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
1780 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
1781 GLushort b
= UBYTE_TO_USHORT(src
[BCOMP
]);
1782 *d
= PACK_COLOR_2101010_US(3, r
, g
, b
);
1786 pack_float_B10G10R10X2_UNORM(const GLfloat src
[4], void *dst
)
1788 GLuint
*d
= ((GLuint
*) dst
);
1790 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
1791 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
1792 UNCLAMPED_FLOAT_TO_USHORT(b
, src
[BCOMP
]);
1793 *d
= PACK_COLOR_2101010_US(3, r
, g
, b
);
1797 /* MESA_FORMAT_RGBX_UNORM16 */
1800 pack_ubyte_RGBX_UNORM16(const GLubyte src
[4], void *dst
)
1802 GLushort
*d
= ((GLushort
*) dst
);
1803 d
[0] = UBYTE_TO_USHORT(src
[RCOMP
]);
1804 d
[1] = UBYTE_TO_USHORT(src
[GCOMP
]);
1805 d
[2] = UBYTE_TO_USHORT(src
[BCOMP
]);
1810 pack_float_RGBX_UNORM16(const GLfloat src
[4], void *dst
)
1812 GLushort
*d
= ((GLushort
*) dst
);
1813 UNCLAMPED_FLOAT_TO_USHORT(d
[0], src
[RCOMP
]);
1814 UNCLAMPED_FLOAT_TO_USHORT(d
[1], src
[GCOMP
]);
1815 UNCLAMPED_FLOAT_TO_USHORT(d
[2], src
[BCOMP
]);
1820 /* MESA_FORMAT_RGBX_SNORM16 */
1823 pack_float_RGBX_SNORM16(const GLfloat src
[4], void *dst
)
1825 GLushort
*d
= ((GLushort
*) dst
);
1826 UNCLAMPED_FLOAT_TO_SHORT(d
[0], src
[RCOMP
]);
1827 UNCLAMPED_FLOAT_TO_SHORT(d
[1], src
[GCOMP
]);
1828 UNCLAMPED_FLOAT_TO_SHORT(d
[2], src
[BCOMP
]);
1833 /* MESA_FORMAT_RGBX_FLOAT16 */
1836 pack_float_XBGR16161616_FLOAT(const GLfloat src
[4], void *dst
)
1838 GLushort
*d
= ((GLushort
*) dst
);
1839 d
[0] = _mesa_float_to_half(src
[RCOMP
]);
1840 d
[1] = _mesa_float_to_half(src
[GCOMP
]);
1841 d
[2] = _mesa_float_to_half(src
[BCOMP
]);
1842 d
[3] = _mesa_float_to_half(1.0);
1845 /* MESA_FORMAT_RGBX_FLOAT32 */
1848 pack_float_RGBX_FLOAT32(const GLfloat src
[4], void *dst
)
1850 GLfloat
*d
= ((GLfloat
*) dst
);
1857 /* MESA_FORMAT_R10G10B10A2_UNORM */
1860 pack_ubyte_R10G10B10A2_UNORM(const GLubyte src
[4], void *dst
)
1862 GLuint
*d
= ((GLuint
*) dst
);
1863 GLushort r
= UBYTE_TO_USHORT(src
[RCOMP
]);
1864 GLushort g
= UBYTE_TO_USHORT(src
[GCOMP
]);
1865 GLushort b
= UBYTE_TO_USHORT(src
[BCOMP
]);
1866 GLushort a
= UBYTE_TO_USHORT(src
[ACOMP
]);
1867 *d
= PACK_COLOR_2101010_US(a
, b
, g
, r
);
1871 pack_float_R10G10B10A2_UNORM(const GLfloat src
[4], void *dst
)
1873 GLuint
*d
= ((GLuint
*) dst
);
1874 GLushort r
, g
, b
, a
;
1875 UNCLAMPED_FLOAT_TO_USHORT(r
, src
[RCOMP
]);
1876 UNCLAMPED_FLOAT_TO_USHORT(g
, src
[GCOMP
]);
1877 UNCLAMPED_FLOAT_TO_USHORT(b
, src
[BCOMP
]);
1878 UNCLAMPED_FLOAT_TO_USHORT(a
, src
[ACOMP
]);
1879 *d
= PACK_COLOR_2101010_US(a
, b
, g
, r
);
1883 * MESA_FORMAT_G8R8_SNORM
1887 pack_float_G8R8_SNORM(const GLfloat src
[4], void *dst
)
1889 GLushort
*d
= (GLushort
*) dst
;
1890 GLbyte r
= FLOAT_TO_BYTE(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1891 GLbyte g
= FLOAT_TO_BYTE(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1892 *d
= (r
<< 8) | (g
& 0xff);
1896 * MESA_FORMAT_G16R16_SNORM
1900 pack_float_G16R16_SNORM(const GLfloat src
[4], void *dst
)
1902 GLuint
*d
= (GLuint
*) dst
;
1903 GLshort r
= FLOAT_TO_SHORT(CLAMP(src
[RCOMP
], -1.0f
, 1.0f
));
1904 GLshort g
= FLOAT_TO_SHORT(CLAMP(src
[GCOMP
], -1.0f
, 1.0f
));
1905 *d
= (r
<< 16) | (g
& 0xffff);
1909 * MESA_FORMAT_B8G8R8X8_SRGB
1913 pack_float_B8G8R8X8_SRGB(const GLfloat src
[4], void *dst
)
1915 GLuint
*d
= (GLuint
*) dst
;
1916 GLubyte r
= linear_float_to_srgb_ubyte(src
[RCOMP
]);
1917 GLubyte g
= linear_float_to_srgb_ubyte(src
[GCOMP
]);
1918 GLubyte b
= linear_float_to_srgb_ubyte(src
[BCOMP
]);
1919 *d
= PACK_COLOR_8888(127, r
, g
, b
);
1923 * Return a function that can pack a GLubyte rgba[4] color.
1925 gl_pack_ubyte_rgba_func
1926 _mesa_get_pack_ubyte_rgba_function(mesa_format format
)
1928 static gl_pack_ubyte_rgba_func table
[MESA_FORMAT_COUNT
];
1929 static GLboolean initialized
= GL_FALSE
;
1932 memset(table
, 0, sizeof(table
));
1934 table
[MESA_FORMAT_NONE
] = NULL
;
1936 table
[MESA_FORMAT_A8B8G8R8_UNORM
] = pack_ubyte_A8B8G8R8_UNORM
;
1937 table
[MESA_FORMAT_R8G8B8A8_UNORM
] = pack_ubyte_R8G8B8A8_UNORM
;
1938 table
[MESA_FORMAT_B8G8R8A8_UNORM
] = pack_ubyte_B8G8R8A8_UNORM
;
1939 table
[MESA_FORMAT_A8R8G8B8_UNORM
] = pack_ubyte_A8R8G8B8_UNORM
;
1940 table
[MESA_FORMAT_X8B8G8R8_UNORM
] = pack_ubyte_A8B8G8R8_UNORM
; /* reused */
1941 table
[MESA_FORMAT_R8G8B8X8_UNORM
] = pack_ubyte_R8G8B8A8_UNORM
; /* reused */
1942 table
[MESA_FORMAT_B8G8R8X8_UNORM
] = pack_ubyte_B8G8R8X8_UNORM
;
1943 table
[MESA_FORMAT_X8R8G8B8_UNORM
] = pack_ubyte_X8R8G8B8_UNORM
;
1944 table
[MESA_FORMAT_BGR_UNORM8
] = pack_ubyte_BGR_UNORM8
;
1945 table
[MESA_FORMAT_RGB_UNORM8
] = pack_ubyte_RGB_UNORM8
;
1946 table
[MESA_FORMAT_B5G6R5_UNORM
] = pack_ubyte_B5G6R5_UNORM
;
1947 table
[MESA_FORMAT_R5G6B5_UNORM
] = pack_ubyte_R5G6B5_UNORM
;
1948 table
[MESA_FORMAT_B4G4R4A4_UNORM
] = pack_ubyte_B4G4R4A4_UNORM
;
1949 table
[MESA_FORMAT_A4R4G4B4_UNORM
] = pack_ubyte_A4R4G4B4_UNORM
;
1950 table
[MESA_FORMAT_A1B5G5R5_UNORM
] = pack_ubyte_A1B5G5R5_UNORM
;
1951 table
[MESA_FORMAT_B5G5R5A1_UNORM
] = pack_ubyte_B5G5R5A1_UNORM
;
1952 table
[MESA_FORMAT_A1R5G5B5_UNORM
] = pack_ubyte_A1R5G5B5_UNORM
;
1953 table
[MESA_FORMAT_L4A4_UNORM
] = pack_ubyte_L4A4_UNORM
;
1954 table
[MESA_FORMAT_L8A8_UNORM
] = pack_ubyte_L8A8_UNORM
;
1955 table
[MESA_FORMAT_A8L8_UNORM
] = pack_ubyte_A8L8_UNORM
;
1956 table
[MESA_FORMAT_L16A16_UNORM
] = pack_ubyte_L16A16_UNORM
;
1957 table
[MESA_FORMAT_A16L16_UNORM
] = pack_ubyte_A16L16_UNORM
;
1958 table
[MESA_FORMAT_B2G3R3_UNORM
] = pack_ubyte_B2G3R3_UNORM
;
1959 table
[MESA_FORMAT_A_UNORM8
] = pack_ubyte_A_UNORM8
;
1960 table
[MESA_FORMAT_A_UNORM16
] = pack_ubyte_A_UNORM16
;
1961 table
[MESA_FORMAT_L_UNORM8
] = pack_ubyte_L_UNORM8
;
1962 table
[MESA_FORMAT_L_UNORM16
] = pack_ubyte_L_UNORM16
;
1963 table
[MESA_FORMAT_I_UNORM8
] = pack_ubyte_L_UNORM8
; /* reuse pack_ubyte_L_UNORM8 */
1964 table
[MESA_FORMAT_I_UNORM16
] = pack_ubyte_L_UNORM16
; /* reuse pack_ubyte_L_UNORM16 */
1965 table
[MESA_FORMAT_YCBCR
] = pack_ubyte_YCBCR
;
1966 table
[MESA_FORMAT_YCBCR_REV
] = pack_ubyte_YCBCR_REV
;
1967 table
[MESA_FORMAT_R_UNORM8
] = pack_ubyte_R_UNORM8
;
1968 table
[MESA_FORMAT_R8G8_UNORM
] = pack_ubyte_R8G8_UNORM
;
1969 table
[MESA_FORMAT_G8R8_UNORM
] = pack_ubyte_G8R8_UNORM
;
1970 table
[MESA_FORMAT_R_UNORM16
] = pack_ubyte_R_UNORM16
;
1971 table
[MESA_FORMAT_R16G16_UNORM
] = pack_ubyte_R16G16_UNORM
;
1972 table
[MESA_FORMAT_G16R16_UNORM
] = pack_ubyte_G16R16_UNORM
;
1973 table
[MESA_FORMAT_B10G10R10A2_UNORM
] = pack_ubyte_B10G10R10A2_UNORM
;
1974 table
[MESA_FORMAT_R10G10B10A2_UINT
] = pack_ubyte_R10G10B10A2_UINT
;
1976 /* should never convert RGBA to these formats */
1977 table
[MESA_FORMAT_S8_UINT_Z24_UNORM
] = NULL
;
1978 table
[MESA_FORMAT_Z24_UNORM_S8_UINT
] = NULL
;
1979 table
[MESA_FORMAT_Z_UNORM16
] = NULL
;
1980 table
[MESA_FORMAT_Z24_UNORM_X8_UINT
] = NULL
;
1981 table
[MESA_FORMAT_X8_UINT_Z24_UNORM
] = NULL
;
1982 table
[MESA_FORMAT_Z_UNORM32
] = NULL
;
1983 table
[MESA_FORMAT_S_UINT8
] = NULL
;
1986 table
[MESA_FORMAT_BGR_SRGB8
] = pack_ubyte_BGR_SRGB8
;
1987 table
[MESA_FORMAT_A8B8G8R8_SRGB
] = pack_ubyte_A8B8G8R8_SRGB
;
1988 table
[MESA_FORMAT_B8G8R8A8_SRGB
] = pack_ubyte_B8G8R8A8_SRGB
;
1989 table
[MESA_FORMAT_R8G8B8A8_SRGB
] = pack_ubyte_R8G8B8A8_SRGB
;
1990 table
[MESA_FORMAT_L_SRGB8
] = pack_ubyte_L_SRGB8
;
1991 table
[MESA_FORMAT_L8A8_SRGB
] = pack_ubyte_L8A8_SRGB
;
1993 table
[MESA_FORMAT_SRGB_DXT1
] = NULL
; /* pack_ubyte_SRGB_DXT1; */
1994 table
[MESA_FORMAT_SRGBA_DXT1
] = NULL
; /* pack_ubyte_SRGBA_DXT1; */
1995 table
[MESA_FORMAT_SRGBA_DXT3
] = NULL
; /* pack_ubyte_SRGBA_DXT3; */
1996 table
[MESA_FORMAT_SRGBA_DXT5
] = NULL
; /* pack_ubyte_SRGBA_DXT5; */
1998 table
[MESA_FORMAT_RGB_FXT1
] = NULL
; /* pack_ubyte_RGB_FXT1; */
1999 table
[MESA_FORMAT_RGBA_FXT1
] = NULL
; /* pack_ubyte_RGBA_FXT1; */
2000 table
[MESA_FORMAT_RGB_DXT1
] = NULL
; /* pack_ubyte_RGB_DXT1; */
2001 table
[MESA_FORMAT_RGBA_DXT1
] = NULL
; /* pack_ubyte_RGBA_DXT1; */
2002 table
[MESA_FORMAT_RGBA_DXT3
] = NULL
; /* pack_ubyte_RGBA_DXT3; */
2003 table
[MESA_FORMAT_RGBA_DXT5
] = NULL
; /* pack_ubyte_RGBA_DXT5; */
2005 table
[MESA_FORMAT_RGBA_FLOAT32
] = pack_ubyte_RGBA_FLOAT32
;
2006 table
[MESA_FORMAT_RGBA_FLOAT16
] = pack_ubyte_RGBA_FLOAT16
;
2007 table
[MESA_FORMAT_RGB_FLOAT32
] = pack_ubyte_RGB_FLOAT32
;
2008 table
[MESA_FORMAT_RGB_FLOAT16
] = pack_ubyte_RGB_FLOAT16
;
2009 table
[MESA_FORMAT_A_FLOAT32
] = pack_ubyte_A_FLOAT32
;
2010 table
[MESA_FORMAT_A_FLOAT16
] = pack_ubyte_A_FLOAT16
;
2011 table
[MESA_FORMAT_L_FLOAT32
] = pack_ubyte_L_FLOAT32
;
2012 table
[MESA_FORMAT_L_FLOAT16
] = pack_ubyte_L_FLOAT16
;
2013 table
[MESA_FORMAT_LA_FLOAT32
] = pack_ubyte_LA_FLOAT32
;
2014 table
[MESA_FORMAT_LA_FLOAT16
] = pack_ubyte_LA_FLOAT16
;
2015 table
[MESA_FORMAT_I_FLOAT32
] = pack_ubyte_L_FLOAT32
;
2016 table
[MESA_FORMAT_I_FLOAT16
] = pack_ubyte_L_FLOAT16
;
2017 table
[MESA_FORMAT_R_FLOAT32
] = pack_ubyte_L_FLOAT32
;
2018 table
[MESA_FORMAT_R_FLOAT16
] = pack_ubyte_L_FLOAT16
;
2019 table
[MESA_FORMAT_RG_FLOAT32
] = pack_ubyte_RG_FLOAT32
;
2020 table
[MESA_FORMAT_RG_FLOAT16
] = pack_ubyte_RG_FLOAT16
;
2023 table
[MESA_FORMAT_RGBA_SINT8
] = NULL
; /* pack_ubyte_RGBA_INT8 */
2024 table
[MESA_FORMAT_RGBA_SINT16
] = NULL
; /* pack_ubyte_RGBA_INT16 */
2025 table
[MESA_FORMAT_RGBA_SINT32
] = NULL
; /* pack_ubyte_RGBA_INT32 */
2026 table
[MESA_FORMAT_RGBA_UINT8
] = NULL
; /* pack_ubyte_RGBA_UINT8 */
2027 table
[MESA_FORMAT_RGBA_UINT16
] = NULL
; /* pack_ubyte_RGBA_UINT16 */
2028 table
[MESA_FORMAT_RGBA_UINT32
] = NULL
; /* pack_ubyte_RGBA_UINT32 */
2030 table
[MESA_FORMAT_DUDV8
] = pack_ubyte_DUDV8
;
2032 table
[MESA_FORMAT_RGBA_UNORM16
] = pack_ubyte_RGBA_16
;
2035 table
[MESA_FORMAT_R_SNORM8
] = NULL
;
2036 table
[MESA_FORMAT_R8G8_SNORM
] = NULL
;
2037 table
[MESA_FORMAT_X8B8G8R8_SNORM
] = NULL
;
2038 table
[MESA_FORMAT_A8B8G8R8_SNORM
] = NULL
;
2039 table
[MESA_FORMAT_R8G8B8A8_SNORM
] = NULL
;
2040 table
[MESA_FORMAT_R_SNORM16
] = NULL
;
2041 table
[MESA_FORMAT_R16G16_SNORM
] = NULL
;
2042 table
[MESA_FORMAT_RGB_SNORM16
] = NULL
;
2043 table
[MESA_FORMAT_RGBA_SNORM16
] = NULL
;
2044 table
[MESA_FORMAT_A_SNORM8
] = NULL
;
2045 table
[MESA_FORMAT_L_SNORM8
] = NULL
;
2046 table
[MESA_FORMAT_L8A8_SNORM
] = NULL
;
2047 table
[MESA_FORMAT_I_SNORM8
] = NULL
;
2048 table
[MESA_FORMAT_A_SNORM16
] = NULL
;
2049 table
[MESA_FORMAT_L_SNORM16
] = NULL
;
2050 table
[MESA_FORMAT_LA_SNORM16
] = NULL
;
2051 table
[MESA_FORMAT_I_SNORM16
] = NULL
;
2054 table
[MESA_FORMAT_RGBA_UNORM16
] = pack_ubyte_RGBA_16
;
2056 table
[MESA_FORMAT_R9G9B9E5_FLOAT
] = pack_ubyte_R9G9B9E5_FLOAT
;
2057 table
[MESA_FORMAT_R11G11B10_FLOAT
] = pack_ubyte_R11G11B10_FLOAT
;
2059 table
[MESA_FORMAT_B4G4R4X4_UNORM
] = pack_ubyte_XRGB4444_UNORM
;
2060 table
[MESA_FORMAT_B5G5R5X1_UNORM
] = pack_ubyte_XRGB1555_UNORM
;
2061 table
[MESA_FORMAT_R8G8B8X8_SNORM
] = NULL
;
2062 table
[MESA_FORMAT_R8G8B8X8_SRGB
] = NULL
;
2063 table
[MESA_FORMAT_RGBX_UINT8
] = NULL
;
2064 table
[MESA_FORMAT_RGBX_SINT8
] = NULL
;
2065 table
[MESA_FORMAT_B10G10R10X2_UNORM
] = pack_ubyte_B10G10R10X2_UNORM
;
2066 table
[MESA_FORMAT_RGBX_UNORM16
] = pack_ubyte_RGBX_UNORM16
;
2067 table
[MESA_FORMAT_RGBX_SNORM16
] = NULL
;
2068 table
[MESA_FORMAT_RGBX_FLOAT16
] = NULL
;
2069 table
[MESA_FORMAT_RGBX_UINT16
] = NULL
;
2070 table
[MESA_FORMAT_RGBX_SINT16
] = NULL
;
2071 table
[MESA_FORMAT_RGBX_FLOAT32
] = NULL
;
2072 table
[MESA_FORMAT_RGBX_UINT32
] = NULL
;
2073 table
[MESA_FORMAT_RGBX_SINT32
] = NULL
;
2075 table
[MESA_FORMAT_R10G10B10A2_UNORM
] = pack_ubyte_R10G10B10A2_UNORM
;
2077 table
[MESA_FORMAT_B8G8R8X8_SRGB
] = NULL
;
2079 initialized
= GL_TRUE
;
2082 return table
[format
];
2088 * Return a function that can pack a GLfloat rgba[4] color.
2090 gl_pack_float_rgba_func
2091 _mesa_get_pack_float_rgba_function(mesa_format format
)
2093 static gl_pack_float_rgba_func table
[MESA_FORMAT_COUNT
];
2094 static GLboolean initialized
= GL_FALSE
;
2097 memset(table
, 0, sizeof(table
));
2099 table
[MESA_FORMAT_NONE
] = NULL
;
2101 table
[MESA_FORMAT_A8B8G8R8_UNORM
] = pack_float_A8B8G8R8_UNORM
;
2102 table
[MESA_FORMAT_R8G8B8A8_UNORM
] = pack_float_R8G8B8A8_UNORM
;
2103 table
[MESA_FORMAT_B8G8R8A8_UNORM
] = pack_float_B8G8R8A8_UNORM
;
2104 table
[MESA_FORMAT_A8R8G8B8_UNORM
] = pack_float_A8R8G8B8_UNORM
;
2105 table
[MESA_FORMAT_X8B8G8R8_UNORM
] = pack_float_A8B8G8R8_UNORM
; /* reused */
2106 table
[MESA_FORMAT_R8G8B8X8_UNORM
] = pack_float_R8G8B8A8_UNORM
; /* reused */
2107 table
[MESA_FORMAT_B8G8R8X8_UNORM
] = pack_float_B8G8R8X8_UNORM
;
2108 table
[MESA_FORMAT_X8R8G8B8_UNORM
] = pack_float_X8R8G8B8_UNORM
;
2109 table
[MESA_FORMAT_BGR_UNORM8
] = pack_float_BGR_UNORM8
;
2110 table
[MESA_FORMAT_RGB_UNORM8
] = pack_float_RGB_UNORM8
;
2111 table
[MESA_FORMAT_B5G6R5_UNORM
] = pack_float_B5G6R5_UNORM
;
2112 table
[MESA_FORMAT_R5G6B5_UNORM
] = pack_float_R5G6B5_UNORM
;
2113 table
[MESA_FORMAT_B4G4R4A4_UNORM
] = pack_float_B4G4R4A4_UNORM
;
2114 table
[MESA_FORMAT_A4R4G4B4_UNORM
] = pack_float_A4R4G4B4_UNORM
;
2115 table
[MESA_FORMAT_A1B5G5R5_UNORM
] = pack_float_A1B5G5R5_UNORM
;
2116 table
[MESA_FORMAT_B5G5R5A1_UNORM
] = pack_float_B5G5R5A1_UNORM
;
2117 table
[MESA_FORMAT_A1R5G5B5_UNORM
] = pack_float_A1R5G5B5_UNORM
;
2119 table
[MESA_FORMAT_L4A4_UNORM
] = pack_float_L4A4_UNORM
;
2120 table
[MESA_FORMAT_L8A8_UNORM
] = pack_float_L8A8_UNORM
;
2121 table
[MESA_FORMAT_A8L8_UNORM
] = pack_float_A8L8_UNORM
;
2122 table
[MESA_FORMAT_L16A16_UNORM
] = pack_float_L16A16_UNORM
;
2123 table
[MESA_FORMAT_A16L16_UNORM
] = pack_float_A16L16_UNORM
;
2124 table
[MESA_FORMAT_B2G3R3_UNORM
] = pack_float_B2G3R3_UNORM
;
2125 table
[MESA_FORMAT_A_UNORM8
] = pack_float_A_UNORM8
;
2126 table
[MESA_FORMAT_A_UNORM16
] = pack_float_A_UNORM16
;
2127 table
[MESA_FORMAT_L_UNORM8
] = pack_float_L_UNORM8
;
2128 table
[MESA_FORMAT_L_UNORM16
] = pack_float_L_UNORM16
;
2129 table
[MESA_FORMAT_I_UNORM8
] = pack_float_L_UNORM8
; /* reuse pack_float_L_UNORM8 */
2130 table
[MESA_FORMAT_I_UNORM16
] = pack_float_L_UNORM16
; /* reuse pack_float_L_UNORM16 */
2131 table
[MESA_FORMAT_YCBCR
] = pack_float_YCBCR
;
2132 table
[MESA_FORMAT_YCBCR_REV
] = pack_float_YCBCR_REV
;
2133 table
[MESA_FORMAT_R_UNORM8
] = pack_float_R_UNORM8
;
2134 table
[MESA_FORMAT_R8G8_UNORM
] = pack_float_R8G8_UNORM
;
2135 table
[MESA_FORMAT_G8R8_UNORM
] = pack_float_G8R8_UNORM
;
2136 table
[MESA_FORMAT_R_UNORM16
] = pack_float_R_UNORM16
;
2137 table
[MESA_FORMAT_R16G16_UNORM
] = pack_float_R16G16_UNORM
;
2138 table
[MESA_FORMAT_G16R16_UNORM
] = pack_float_G16R16_UNORM
;
2139 table
[MESA_FORMAT_B10G10R10A2_UNORM
] = pack_float_B10G10R10A2_UNORM
;
2140 table
[MESA_FORMAT_R10G10B10A2_UINT
] = pack_float_R10G10B10A2_UINT
;
2142 /* should never convert RGBA to these formats */
2143 table
[MESA_FORMAT_S8_UINT_Z24_UNORM
] = NULL
;
2144 table
[MESA_FORMAT_Z24_UNORM_S8_UINT
] = NULL
;
2145 table
[MESA_FORMAT_Z_UNORM16
] = NULL
;
2146 table
[MESA_FORMAT_Z24_UNORM_X8_UINT
] = NULL
;
2147 table
[MESA_FORMAT_X8_UINT_Z24_UNORM
] = NULL
;
2148 table
[MESA_FORMAT_Z_UNORM32
] = NULL
;
2149 table
[MESA_FORMAT_S_UINT8
] = NULL
;
2151 table
[MESA_FORMAT_BGR_SRGB8
] = pack_float_BGR_SRGB8
;
2152 table
[MESA_FORMAT_A8B8G8R8_SRGB
] = pack_float_A8B8G8R8_SRGB
;
2153 table
[MESA_FORMAT_B8G8R8A8_SRGB
] = pack_float_B8G8R8A8_SRGB
;
2154 table
[MESA_FORMAT_R8G8B8A8_SRGB
] = pack_float_R8G8B8A8_SRGB
;
2155 table
[MESA_FORMAT_L_SRGB8
] = pack_float_L_SRGB8
;
2156 table
[MESA_FORMAT_L8A8_SRGB
] = pack_float_L8A8_SRGB
;
2159 table
[MESA_FORMAT_SRGB_DXT1
] = NULL
;
2160 table
[MESA_FORMAT_SRGBA_DXT1
] = NULL
;
2161 table
[MESA_FORMAT_SRGBA_DXT3
] = NULL
;
2162 table
[MESA_FORMAT_SRGBA_DXT5
] = NULL
;
2164 table
[MESA_FORMAT_RGB_FXT1
] = NULL
;
2165 table
[MESA_FORMAT_RGBA_FXT1
] = NULL
;
2166 table
[MESA_FORMAT_RGB_DXT1
] = NULL
;
2167 table
[MESA_FORMAT_RGBA_DXT1
] = NULL
;
2168 table
[MESA_FORMAT_RGBA_DXT3
] = NULL
;
2169 table
[MESA_FORMAT_RGBA_DXT5
] = NULL
;
2171 table
[MESA_FORMAT_RGBA_FLOAT32
] = pack_float_RGBA_FLOAT32
;
2172 table
[MESA_FORMAT_RGBA_FLOAT16
] = pack_float_RGBA_FLOAT16
;
2173 table
[MESA_FORMAT_RGB_FLOAT32
] = pack_float_RGB_FLOAT32
;
2174 table
[MESA_FORMAT_RGB_FLOAT16
] = pack_float_RGB_FLOAT16
;
2175 table
[MESA_FORMAT_A_FLOAT32
] = pack_float_A_FLOAT32
;
2176 table
[MESA_FORMAT_A_FLOAT16
] = pack_float_A_FLOAT16
;
2177 table
[MESA_FORMAT_L_FLOAT32
] = pack_float_L_FLOAT32
;
2178 table
[MESA_FORMAT_L_FLOAT16
] = pack_float_L_FLOAT16
;
2179 table
[MESA_FORMAT_LA_FLOAT32
] = pack_float_LA_FLOAT32
;
2180 table
[MESA_FORMAT_LA_FLOAT16
] = pack_float_LA_FLOAT16
;
2182 table
[MESA_FORMAT_I_FLOAT32
] = pack_float_L_FLOAT32
;
2183 table
[MESA_FORMAT_I_FLOAT16
] = pack_float_L_FLOAT16
;
2184 table
[MESA_FORMAT_R_FLOAT32
] = pack_float_L_FLOAT32
;
2185 table
[MESA_FORMAT_R_FLOAT16
] = pack_float_L_FLOAT16
;
2186 table
[MESA_FORMAT_RG_FLOAT32
] = pack_float_RG_FLOAT32
;
2187 table
[MESA_FORMAT_RG_FLOAT16
] = pack_float_RG_FLOAT16
;
2190 table
[MESA_FORMAT_RGBA_SINT8
] = NULL
;
2191 table
[MESA_FORMAT_RGBA_SINT16
] = NULL
;
2192 table
[MESA_FORMAT_RGBA_SINT32
] = NULL
;
2193 table
[MESA_FORMAT_RGBA_UINT8
] = NULL
;
2194 table
[MESA_FORMAT_RGBA_UINT16
] = NULL
;
2195 table
[MESA_FORMAT_RGBA_UINT32
] = NULL
;
2197 table
[MESA_FORMAT_DUDV8
] = pack_float_DUDV8
;
2199 table
[MESA_FORMAT_RGBA_UNORM16
] = pack_float_RGBA_16
;
2201 table
[MESA_FORMAT_R_SNORM8
] = pack_float_R_SNORM8
;
2202 table
[MESA_FORMAT_R8G8_SNORM
] = pack_float_R8G8_SNORM
;
2203 table
[MESA_FORMAT_X8B8G8R8_SNORM
] = pack_float_X8B8G8R8_SNORM
;
2204 table
[MESA_FORMAT_A8B8G8R8_SNORM
] = pack_float_A8B8G8R8_SNORM
;
2205 table
[MESA_FORMAT_R8G8B8A8_SNORM
] = pack_float_R8G8B8A8_SNORM
;
2206 table
[MESA_FORMAT_R_SNORM16
] = pack_float_R_SNORM16
;
2207 table
[MESA_FORMAT_R16G16_SNORM
] = pack_float_R16G16_SNORM
;
2208 table
[MESA_FORMAT_RGB_SNORM16
] = pack_float_RGB_SNORM16
;
2209 table
[MESA_FORMAT_RGBA_SNORM16
] = pack_float_RGBA_SNORM16
;
2210 table
[MESA_FORMAT_A_SNORM8
] = pack_float_A_SNORM8
;
2211 table
[MESA_FORMAT_L_SNORM8
] = pack_float_L_SNORM8
;
2212 table
[MESA_FORMAT_L8A8_SNORM
] = pack_float_L8A8_SNORM
;
2213 table
[MESA_FORMAT_I_SNORM8
] = pack_float_L_SNORM8
; /* reused */
2214 table
[MESA_FORMAT_A_SNORM16
] = pack_float_A_SNORM16
;
2215 table
[MESA_FORMAT_L_SNORM16
] = pack_float_L_SNORM16
;
2216 table
[MESA_FORMAT_LA_SNORM16
] = pack_float_LA_SNORM16
;
2217 table
[MESA_FORMAT_I_SNORM16
] = pack_float_L_SNORM16
; /* reused */
2219 table
[MESA_FORMAT_R9G9B9E5_FLOAT
] = pack_float_R9G9B9E5_FLOAT
;
2220 table
[MESA_FORMAT_R11G11B10_FLOAT
] = pack_float_R11G11B10_FLOAT
;
2222 table
[MESA_FORMAT_B4G4R4X4_UNORM
] = pack_float_XRGB4444_UNORM
;
2223 table
[MESA_FORMAT_B5G5R5X1_UNORM
] = pack_float_XRGB1555_UNORM
;
2224 table
[MESA_FORMAT_R8G8B8X8_SNORM
] = pack_float_XBGR8888_SNORM
;
2225 table
[MESA_FORMAT_R8G8B8X8_SRGB
] = pack_float_R8G8B8X8_SRGB
;
2226 table
[MESA_FORMAT_RGBX_UINT8
] = NULL
;
2227 table
[MESA_FORMAT_RGBX_SINT8
] = NULL
;
2228 table
[MESA_FORMAT_B10G10R10X2_UNORM
] = pack_float_B10G10R10X2_UNORM
;
2229 table
[MESA_FORMAT_RGBX_UNORM16
] = pack_float_RGBX_UNORM16
;
2230 table
[MESA_FORMAT_RGBX_SNORM16
] = pack_float_RGBX_SNORM16
;
2231 table
[MESA_FORMAT_RGBX_FLOAT16
] = pack_float_XBGR16161616_FLOAT
;
2232 table
[MESA_FORMAT_RGBX_UINT16
] = NULL
;
2233 table
[MESA_FORMAT_RGBX_SINT16
] = NULL
;
2234 table
[MESA_FORMAT_RGBX_FLOAT32
] = pack_float_RGBX_FLOAT32
;
2235 table
[MESA_FORMAT_RGBX_UINT32
] = NULL
;
2236 table
[MESA_FORMAT_RGBX_SINT32
] = NULL
;
2238 table
[MESA_FORMAT_R10G10B10A2_UNORM
] = pack_float_R10G10B10A2_UNORM
;
2240 table
[MESA_FORMAT_G8R8_SNORM
] = pack_float_G8R8_SNORM
;
2241 table
[MESA_FORMAT_G16R16_SNORM
] = pack_float_G16R16_SNORM
;
2243 table
[MESA_FORMAT_B8G8R8X8_SRGB
] = pack_float_B8G8R8X8_SRGB
;
2245 initialized
= GL_TRUE
;
2248 return table
[format
];
2253 static pack_float_rgba_row_func
2254 get_pack_float_rgba_row_function(mesa_format format
)
2256 static pack_float_rgba_row_func table
[MESA_FORMAT_COUNT
];
2257 static GLboolean initialized
= GL_FALSE
;
2260 /* We don't need a special row packing function for each format.
2261 * There's a generic fallback which uses a per-pixel packing function.
2263 memset(table
, 0, sizeof(table
));
2265 table
[MESA_FORMAT_A8B8G8R8_UNORM
] = pack_row_float_A8B8G8R8_UNORM
;
2266 table
[MESA_FORMAT_R8G8B8A8_UNORM
] = pack_row_float_R8G8B8A8_UNORM
;
2267 table
[MESA_FORMAT_B8G8R8A8_UNORM
] = pack_row_float_B8G8R8A8_UNORM
;
2268 table
[MESA_FORMAT_A8R8G8B8_UNORM
] = pack_row_float_A8R8G8B8_UNORM
;
2269 table
[MESA_FORMAT_X8B8G8R8_UNORM
] = pack_row_float_A8B8G8R8_UNORM
; /* reused */
2270 table
[MESA_FORMAT_R8G8B8X8_UNORM
] = pack_row_float_R8G8B8A8_UNORM
; /* reused */
2271 table
[MESA_FORMAT_B8G8R8X8_UNORM
] = pack_row_float_B8G8R8X8_UNORM
;
2272 table
[MESA_FORMAT_X8R8G8B8_UNORM
] = pack_row_float_X8R8G8B8_UNORM
;
2273 table
[MESA_FORMAT_BGR_UNORM8
] = pack_row_float_BGR_UNORM8
;
2274 table
[MESA_FORMAT_RGB_UNORM8
] = pack_row_float_RGB_UNORM8
;
2275 table
[MESA_FORMAT_B5G6R5_UNORM
] = pack_row_float_B5G6R5_UNORM
;
2276 table
[MESA_FORMAT_R5G6B5_UNORM
] = pack_row_float_R5G6B5_UNORM
;
2278 initialized
= GL_TRUE
;
2281 return table
[format
];
2286 static pack_ubyte_rgba_row_func
2287 get_pack_ubyte_rgba_row_function(mesa_format format
)
2289 static pack_ubyte_rgba_row_func table
[MESA_FORMAT_COUNT
];
2290 static GLboolean initialized
= GL_FALSE
;
2293 /* We don't need a special row packing function for each format.
2294 * There's a generic fallback which uses a per-pixel packing function.
2296 memset(table
, 0, sizeof(table
));
2298 table
[MESA_FORMAT_A8B8G8R8_UNORM
] = pack_row_ubyte_A8B8G8R8_UNORM
;
2299 table
[MESA_FORMAT_R8G8B8A8_UNORM
] = pack_row_ubyte_R8G8B8A8_UNORM
;
2300 table
[MESA_FORMAT_B8G8R8A8_UNORM
] = pack_row_ubyte_B8G8R8A8_UNORM
;
2301 table
[MESA_FORMAT_A8R8G8B8_UNORM
] = pack_row_ubyte_A8R8G8B8_UNORM
;
2302 table
[MESA_FORMAT_X8B8G8R8_UNORM
] = pack_row_ubyte_A8B8G8R8_UNORM
; /* reused */
2303 table
[MESA_FORMAT_R8G8B8X8_UNORM
] = pack_row_ubyte_R8G8B8A8_UNORM
; /* reused */
2304 table
[MESA_FORMAT_B8G8R8X8_UNORM
] = pack_row_ubyte_B8G8R8X8_UNORM
;
2305 table
[MESA_FORMAT_X8R8G8B8_UNORM
] = pack_row_ubyte_X8R8G8B8_UNORM
;
2306 table
[MESA_FORMAT_BGR_UNORM8
] = pack_row_ubyte_BGR_UNORM8
;
2307 table
[MESA_FORMAT_RGB_UNORM8
] = pack_row_ubyte_RGB_UNORM8
;
2308 table
[MESA_FORMAT_B5G6R5_UNORM
] = pack_row_ubyte_B5G6R5_UNORM
;
2309 table
[MESA_FORMAT_R5G6B5_UNORM
] = pack_row_ubyte_R5G6B5_UNORM
;
2311 initialized
= GL_TRUE
;
2314 return table
[format
];
2320 * Pack a row of GLfloat rgba[4] values to the destination.
2323 _mesa_pack_float_rgba_row(mesa_format format
, GLuint n
,
2324 const GLfloat src
[][4], void *dst
)
2326 pack_float_rgba_row_func packrow
= get_pack_float_rgba_row_function(format
);
2328 /* use "fast" function */
2329 packrow(n
, src
, dst
);
2332 /* slower fallback */
2333 gl_pack_float_rgba_func pack
= _mesa_get_pack_float_rgba_function(format
);
2334 GLuint dstStride
= _mesa_get_format_bytes(format
);
2335 GLubyte
*dstPtr
= (GLubyte
*) dst
;
2342 for (i
= 0; i
< n
; i
++) {
2343 pack(src
[i
], dstPtr
);
2344 dstPtr
+= dstStride
;
2351 * Pack a row of GLubyte rgba[4] values to the destination.
2354 _mesa_pack_ubyte_rgba_row(mesa_format format
, GLuint n
,
2355 const GLubyte src
[][4], void *dst
)
2357 pack_ubyte_rgba_row_func packrow
= get_pack_ubyte_rgba_row_function(format
);
2359 /* use "fast" function */
2360 packrow(n
, src
, dst
);
2363 /* slower fallback */
2364 gl_pack_ubyte_rgba_func pack
= _mesa_get_pack_ubyte_rgba_function(format
);
2365 const GLuint stride
= _mesa_get_format_bytes(format
);
2366 GLubyte
*d
= ((GLubyte
*) dst
);
2373 for (i
= 0; i
< n
; i
++) {
2382 * Pack a 2D image of ubyte RGBA pixels in the given format.
2383 * \param srcRowStride source image row stride in bytes
2384 * \param dstRowStride destination image row stride in bytes
2387 _mesa_pack_ubyte_rgba_rect(mesa_format format
, GLuint width
, GLuint height
,
2388 const GLubyte
*src
, GLint srcRowStride
,
2389 void *dst
, GLint dstRowStride
)
2391 pack_ubyte_rgba_row_func packrow
= get_pack_ubyte_rgba_row_function(format
);
2392 GLubyte
*dstUB
= (GLubyte
*) dst
;
2396 if (srcRowStride
== width
* 4 * sizeof(GLubyte
) &&
2397 dstRowStride
== _mesa_format_row_stride(format
, width
)) {
2398 /* do whole image at once */
2399 packrow(width
* height
, (const GLubyte (*)[4]) src
, dst
);
2403 for (i
= 0; i
< height
; i
++) {
2404 packrow(width
, (const GLubyte (*)[4]) src
, dstUB
);
2405 src
+= srcRowStride
;
2406 dstUB
+= dstRowStride
;
2411 /* slower fallback */
2412 for (i
= 0; i
< height
; i
++) {
2413 _mesa_pack_ubyte_rgba_row(format
, width
,
2414 (const GLubyte (*)[4]) src
, dstUB
);
2415 src
+= srcRowStride
;
2416 dstUB
+= dstRowStride
;
2424 ** Pack float Z pixels
2428 pack_float_S8_UINT_Z24_UNORM(const GLfloat
*src
, void *dst
)
2430 /* don't disturb the stencil values */
2431 GLuint
*d
= ((GLuint
*) dst
);
2432 const GLdouble scale
= (GLdouble
) 0xffffff;
2433 GLuint s
= *d
& 0xff;
2434 GLuint z
= (GLuint
) (*src
* scale
);
2435 assert(z
<= 0xffffff);
2440 pack_float_Z24_UNORM_S8_UINT(const GLfloat
*src
, void *dst
)
2442 /* don't disturb the stencil values */
2443 GLuint
*d
= ((GLuint
*) dst
);
2444 const GLdouble scale
= (GLdouble
) 0xffffff;
2445 GLuint s
= *d
& 0xff000000;
2446 GLuint z
= (GLuint
) (*src
* scale
);
2447 assert(z
<= 0xffffff);
2452 pack_float_Z_UNORM16(const GLfloat
*src
, void *dst
)
2454 GLushort
*d
= ((GLushort
*) dst
);
2455 const GLfloat scale
= (GLfloat
) 0xffff;
2456 *d
= (GLushort
) (*src
* scale
);
2460 pack_float_Z_UNORM32(const GLfloat
*src
, void *dst
)
2462 GLuint
*d
= ((GLuint
*) dst
);
2463 const GLdouble scale
= (GLdouble
) 0xffffffff;
2464 *d
= (GLuint
) (*src
* scale
);
2468 pack_float_Z_FLOAT32(const GLfloat
*src
, void *dst
)
2470 GLfloat
*d
= (GLfloat
*) dst
;
2474 gl_pack_float_z_func
2475 _mesa_get_pack_float_z_func(mesa_format format
)
2478 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2479 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
2480 return pack_float_S8_UINT_Z24_UNORM
;
2481 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2482 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
2483 return pack_float_Z24_UNORM_S8_UINT
;
2484 case MESA_FORMAT_Z_UNORM16
:
2485 return pack_float_Z_UNORM16
;
2486 case MESA_FORMAT_Z_UNORM32
:
2487 return pack_float_Z_UNORM32
;
2488 case MESA_FORMAT_Z_FLOAT32
:
2489 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2490 return pack_float_Z_FLOAT32
;
2493 "unexpected format in _mesa_get_pack_float_z_func()");
2501 ** Pack uint Z pixels. The incoming src value is always in
2502 ** the range [0, 2^32-1].
2506 pack_uint_S8_UINT_Z24_UNORM(const GLuint
*src
, void *dst
)
2508 /* don't disturb the stencil values */
2509 GLuint
*d
= ((GLuint
*) dst
);
2510 GLuint s
= *d
& 0xff;
2511 GLuint z
= *src
& 0xffffff00;
2516 pack_uint_Z24_UNORM_S8_UINT(const GLuint
*src
, void *dst
)
2518 /* don't disturb the stencil values */
2519 GLuint
*d
= ((GLuint
*) dst
);
2520 GLuint s
= *d
& 0xff000000;
2521 GLuint z
= *src
>> 8;
2526 pack_uint_Z_UNORM16(const GLuint
*src
, void *dst
)
2528 GLushort
*d
= ((GLushort
*) dst
);
2533 pack_uint_Z_UNORM32(const GLuint
*src
, void *dst
)
2535 GLuint
*d
= ((GLuint
*) dst
);
2540 pack_uint_Z_FLOAT32(const GLuint
*src
, void *dst
)
2542 GLuint
*d
= ((GLuint
*) dst
);
2543 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffffff;
2544 *d
= (GLuint
) (*src
* scale
);
2550 pack_uint_Z_FLOAT32_X24S8(const GLuint
*src
, void *dst
)
2552 GLfloat
*d
= ((GLfloat
*) dst
);
2553 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffffff;
2554 *d
= (GLfloat
) (*src
* scale
);
2560 _mesa_get_pack_uint_z_func(mesa_format format
)
2563 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2564 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
2565 return pack_uint_S8_UINT_Z24_UNORM
;
2566 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2567 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
2568 return pack_uint_Z24_UNORM_S8_UINT
;
2569 case MESA_FORMAT_Z_UNORM16
:
2570 return pack_uint_Z_UNORM16
;
2571 case MESA_FORMAT_Z_UNORM32
:
2572 return pack_uint_Z_UNORM32
;
2573 case MESA_FORMAT_Z_FLOAT32
:
2574 return pack_uint_Z_FLOAT32
;
2575 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2576 return pack_uint_Z_FLOAT32_X24S8
;
2578 _mesa_problem(NULL
, "unexpected format in _mesa_get_pack_uint_z_func()");
2585 ** Pack ubyte stencil pixels
2589 pack_ubyte_stencil_Z24_S8(const GLubyte
*src
, void *dst
)
2591 /* don't disturb the Z values */
2592 GLuint
*d
= ((GLuint
*) dst
);
2594 GLuint z
= *d
& 0xffffff00;
2599 pack_ubyte_stencil_S8_Z24(const GLubyte
*src
, void *dst
)
2601 /* don't disturb the Z values */
2602 GLuint
*d
= ((GLuint
*) dst
);
2603 GLuint s
= *src
<< 24;
2604 GLuint z
= *d
& 0xffffff;
2609 pack_ubyte_stencil_S8(const GLubyte
*src
, void *dst
)
2611 GLubyte
*d
= (GLubyte
*) dst
;
2616 pack_ubyte_stencil_Z32_FLOAT_X24S8(const GLubyte
*src
, void *dst
)
2618 GLfloat
*d
= ((GLfloat
*) dst
);
2623 gl_pack_ubyte_stencil_func
2624 _mesa_get_pack_ubyte_stencil_func(mesa_format format
)
2627 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2628 return pack_ubyte_stencil_Z24_S8
;
2629 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2630 return pack_ubyte_stencil_S8_Z24
;
2631 case MESA_FORMAT_S_UINT8
:
2632 return pack_ubyte_stencil_S8
;
2633 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2634 return pack_ubyte_stencil_Z32_FLOAT_X24S8
;
2637 "unexpected format in _mesa_pack_ubyte_stencil_func()");
2645 _mesa_pack_float_z_row(mesa_format format
, GLuint n
,
2646 const GLfloat
*src
, void *dst
)
2649 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2650 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
2652 /* don't disturb the stencil values */
2653 GLuint
*d
= ((GLuint
*) dst
);
2654 const GLdouble scale
= (GLdouble
) 0xffffff;
2656 for (i
= 0; i
< n
; i
++) {
2657 GLuint s
= d
[i
] & 0xff;
2658 GLuint z
= (GLuint
) (src
[i
] * scale
);
2659 assert(z
<= 0xffffff);
2660 d
[i
] = (z
<< 8) | s
;
2664 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2665 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
2667 /* don't disturb the stencil values */
2668 GLuint
*d
= ((GLuint
*) dst
);
2669 const GLdouble scale
= (GLdouble
) 0xffffff;
2671 for (i
= 0; i
< n
; i
++) {
2672 GLuint s
= d
[i
] & 0xff000000;
2673 GLuint z
= (GLuint
) (src
[i
] * scale
);
2674 assert(z
<= 0xffffff);
2679 case MESA_FORMAT_Z_UNORM16
:
2681 GLushort
*d
= ((GLushort
*) dst
);
2682 const GLfloat scale
= (GLfloat
) 0xffff;
2684 for (i
= 0; i
< n
; i
++) {
2685 d
[i
] = (GLushort
) (src
[i
] * scale
);
2689 case MESA_FORMAT_Z_UNORM32
:
2691 GLuint
*d
= ((GLuint
*) dst
);
2692 const GLdouble scale
= (GLdouble
) 0xffffffff;
2694 for (i
= 0; i
< n
; i
++) {
2695 d
[i
] = (GLuint
) (src
[i
] * scale
);
2699 case MESA_FORMAT_Z_FLOAT32
:
2700 memcpy(dst
, src
, n
* sizeof(GLfloat
));
2702 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2704 struct z32f_x24s8
*d
= (struct z32f_x24s8
*) dst
;
2706 for (i
= 0; i
< n
; i
++) {
2712 _mesa_problem(NULL
, "unexpected format in _mesa_pack_float_z_row()");
2718 * The incoming Z values are always in the range [0, 0xffffffff].
2721 _mesa_pack_uint_z_row(mesa_format format
, GLuint n
,
2722 const GLuint
*src
, void *dst
)
2725 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2726 case MESA_FORMAT_X8_UINT_Z24_UNORM
:
2728 /* don't disturb the stencil values */
2729 GLuint
*d
= ((GLuint
*) dst
);
2731 for (i
= 0; i
< n
; i
++) {
2732 GLuint s
= d
[i
] & 0xff;
2733 GLuint z
= src
[i
] & 0xffffff00;
2738 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2739 case MESA_FORMAT_Z24_UNORM_X8_UINT
:
2741 /* don't disturb the stencil values */
2742 GLuint
*d
= ((GLuint
*) dst
);
2744 for (i
= 0; i
< n
; i
++) {
2745 GLuint s
= d
[i
] & 0xff000000;
2746 GLuint z
= src
[i
] >> 8;
2751 case MESA_FORMAT_Z_UNORM16
:
2753 GLushort
*d
= ((GLushort
*) dst
);
2755 for (i
= 0; i
< n
; i
++) {
2756 d
[i
] = src
[i
] >> 16;
2760 case MESA_FORMAT_Z_UNORM32
:
2761 memcpy(dst
, src
, n
* sizeof(GLfloat
));
2763 case MESA_FORMAT_Z_FLOAT32
:
2765 GLuint
*d
= ((GLuint
*) dst
);
2766 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffffff;
2768 for (i
= 0; i
< n
; i
++) {
2769 d
[i
] = (GLuint
) (src
[i
] * scale
);
2770 assert(d
[i
] >= 0.0f
);
2771 assert(d
[i
] <= 1.0f
);
2775 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2777 struct z32f_x24s8
*d
= (struct z32f_x24s8
*) dst
;
2778 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffffff;
2780 for (i
= 0; i
< n
; i
++) {
2781 d
[i
].z
= (GLfloat
) (src
[i
] * scale
);
2782 assert(d
[i
].z
>= 0.0f
);
2783 assert(d
[i
].z
<= 1.0f
);
2788 _mesa_problem(NULL
, "unexpected format in _mesa_pack_uint_z_row()");
2794 _mesa_pack_ubyte_stencil_row(mesa_format format
, GLuint n
,
2795 const GLubyte
*src
, void *dst
)
2798 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2800 /* don't disturb the Z values */
2801 GLuint
*d
= ((GLuint
*) dst
);
2803 for (i
= 0; i
< n
; i
++) {
2805 GLuint z
= d
[i
] & 0xffffff00;
2810 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2812 /* don't disturb the Z values */
2813 GLuint
*d
= ((GLuint
*) dst
);
2815 for (i
= 0; i
< n
; i
++) {
2816 GLuint s
= src
[i
] << 24;
2817 GLuint z
= d
[i
] & 0xffffff;
2822 case MESA_FORMAT_S_UINT8
:
2823 memcpy(dst
, src
, n
* sizeof(GLubyte
));
2825 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2827 struct z32f_x24s8
*d
= (struct z32f_x24s8
*) dst
;
2829 for (i
= 0; i
< n
; i
++) {
2830 d
[i
].x24s8
= src
[i
];
2835 _mesa_problem(NULL
, "unexpected format in _mesa_pack_ubyte_stencil_row()");
2841 * Incoming Z/stencil values are always in uint_24_8 format.
2844 _mesa_pack_uint_24_8_depth_stencil_row(mesa_format format
, GLuint n
,
2845 const GLuint
*src
, void *dst
)
2848 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
2849 memcpy(dst
, src
, n
* sizeof(GLuint
));
2851 case MESA_FORMAT_Z24_UNORM_S8_UINT
:
2853 GLuint
*d
= ((GLuint
*) dst
);
2855 for (i
= 0; i
< n
; i
++) {
2856 GLuint s
= src
[i
] << 24;
2857 GLuint z
= src
[i
] >> 8;
2862 case MESA_FORMAT_Z32_FLOAT_S8X24_UINT
:
2864 const GLdouble scale
= 1.0 / (GLdouble
) 0xffffff;
2865 struct z32f_x24s8
*d
= (struct z32f_x24s8
*) dst
;
2867 for (i
= 0; i
< n
; i
++) {
2868 GLfloat z
= (GLfloat
) ((src
[i
] >> 8) * scale
);
2870 d
[i
].x24s8
= src
[i
];
2875 _mesa_problem(NULL
, "bad format %s in _mesa_pack_ubyte_s_row",
2876 _mesa_get_format_name(format
));
2884 * Convert a boolean color mask to a packed color where each channel of
2885 * the packed value at dst will be 0 or ~0 depending on the colorMask.
2888 _mesa_pack_colormask(mesa_format format
, const GLubyte colorMask
[4], void *dst
)
2890 GLfloat maskColor
[4];
2892 switch (_mesa_get_format_datatype(format
)) {
2893 case GL_UNSIGNED_NORMALIZED
:
2894 /* simple: 1.0 will convert to ~0 in the right bit positions */
2895 maskColor
[0] = colorMask
[0] ? 1.0f
: 0.0f
;
2896 maskColor
[1] = colorMask
[1] ? 1.0f
: 0.0f
;
2897 maskColor
[2] = colorMask
[2] ? 1.0f
: 0.0f
;
2898 maskColor
[3] = colorMask
[3] ? 1.0f
: 0.0f
;
2899 _mesa_pack_float_rgba_row(format
, 1,
2900 (const GLfloat (*)[4]) maskColor
, dst
);
2902 case GL_SIGNED_NORMALIZED
:
2904 /* These formats are harder because it's hard to know the floating
2905 * point values that will convert to ~0 for each color channel's bits.
2906 * This solution just generates a non-zero value for each color channel
2907 * then fixes up the non-zero values to be ~0.
2908 * Note: we'll need to add special case code if we ever have to deal
2909 * with formats with unequal color channel sizes, like R11_G11_B10.
2910 * We issue a warning below for channel sizes other than 8,16,32.
2913 GLuint bits
= _mesa_get_format_max_bits(format
); /* bits per chan */
2914 GLuint bytes
= _mesa_get_format_bytes(format
);
2917 /* this should put non-zero values into the channels of dst */
2918 maskColor
[0] = colorMask
[0] ? -1.0f
: 0.0f
;
2919 maskColor
[1] = colorMask
[1] ? -1.0f
: 0.0f
;
2920 maskColor
[2] = colorMask
[2] ? -1.0f
: 0.0f
;
2921 maskColor
[3] = colorMask
[3] ? -1.0f
: 0.0f
;
2922 _mesa_pack_float_rgba_row(format
, 1,
2923 (const GLfloat (*)[4]) maskColor
, dst
);
2925 /* fix-up the dst channels by converting non-zero values to ~0 */
2927 GLubyte
*d
= (GLubyte
*) dst
;
2928 for (i
= 0; i
< bytes
; i
++) {
2929 d
[i
] = d
[i
] ? 0xff : 0x0;
2932 else if (bits
== 16) {
2933 GLushort
*d
= (GLushort
*) dst
;
2934 for (i
= 0; i
< bytes
/ 2; i
++) {
2935 d
[i
] = d
[i
] ? 0xffff : 0x0;
2938 else if (bits
== 32) {
2939 GLuint
*d
= (GLuint
*) dst
;
2940 for (i
= 0; i
< bytes
/ 4; i
++) {
2941 d
[i
] = d
[i
] ? 0xffffffffU
: 0x0;
2945 _mesa_problem(NULL
, "unexpected size in _mesa_pack_colormask()");
2951 _mesa_problem(NULL
, "unexpected format data type in gen_color_mask()");