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 BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
20 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 * Color, depth, stencil packing functions.
27 * Used to pack basic color, depth and stencil formats to specific
30 * There are both per-pixel and per-row packing functions:
31 * - The former will be used by swrast to write values to the color, depth,
32 * stencil buffers when drawing points, lines and masked spans.
33 * - The later will be used for image-oriented functions like glDrawPixels,
34 * glAccum, and glTexImage.
39 #include "format_pack.h"
41 #include "../../gallium/auxiliary/util/u_format_rgb9e5.h"
42 #include "../../gallium/auxiliary/util/u_format_r11g11b10f.h"
45 typedef void (*pack_ubyte_rgba_row_func)(GLuint n,
46 const GLubyte src[][4], void *dst);
48 typedef void (*pack_float_rgba_row_func)(GLuint n,
49 const GLfloat src[][4], void *dst);
54 linear_to_srgb(GLfloat cl)
58 else if (cl < 0.0031308f)
61 return 1.055f * powf(cl, 0.41666f) - 0.055f;
68 linear_float_to_srgb_ubyte(GLfloat cl)
70 GLubyte res = FLOAT_TO_UBYTE(linear_to_srgb(cl));
76 linear_ubyte_to_srgb_ubyte(GLubyte cl)
78 GLubyte res = FLOAT_TO_UBYTE(linear_to_srgb(cl / 255.0f));
86 * MESA_FORMAT_RGBA8888
90 pack_ubyte_RGBA8888(const GLubyte src[4], void *dst)
92 GLuint *d = ((GLuint *) dst);
93 *d = PACK_COLOR_8888(src[RCOMP], src[GCOMP], src[BCOMP], src[ACOMP]);
97 pack_float_RGBA8888(const GLfloat src[4], void *dst)
100 _mesa_unclamped_float_rgba_to_ubyte(v, src);
101 pack_ubyte_RGBA8888(v, dst);
105 pack_row_ubyte_RGBA8888(GLuint n, const GLubyte src[][4], void *dst)
107 GLuint *d = ((GLuint *) dst);
109 for (i = 0; i < n; i++) {
110 d[i] = PACK_COLOR_8888(src[i][RCOMP], src[i][GCOMP],
111 src[i][BCOMP], src[i][ACOMP]);
116 pack_row_float_RGBA8888(GLuint n, const GLfloat src[][4], void *dst)
118 GLuint *d = ((GLuint *) dst);
120 for (i = 0; i < n; i++) {
122 _mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
123 pack_ubyte_RGBA8888(v, d + i);
130 * MESA_FORMAT_RGBA8888_REV
134 pack_ubyte_RGBA8888_REV(const GLubyte src[4], void *dst)
136 GLuint *d = ((GLuint *) dst);
137 *d = PACK_COLOR_8888(src[ACOMP], src[BCOMP], src[GCOMP], src[RCOMP]);
141 pack_float_RGBA8888_REV(const GLfloat src[4], void *dst)
144 _mesa_unclamped_float_rgba_to_ubyte(v, src);
145 pack_ubyte_RGBA8888_REV(v, dst);
149 pack_row_ubyte_RGBA8888_REV(GLuint n, const GLubyte src[][4], void *dst)
151 GLuint *d = ((GLuint *) dst);
153 for (i = 0; i < n; i++) {
154 d[i] = PACK_COLOR_8888(src[i][ACOMP], src[i][BCOMP],
155 src[i][GCOMP], src[i][RCOMP]);
160 pack_row_float_RGBA8888_REV(GLuint n, const GLfloat src[][4], void *dst)
162 GLuint *d = ((GLuint *) dst);
164 for (i = 0; i < n; i++) {
166 _mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
167 pack_ubyte_RGBA8888_REV(v, d + i);
173 * MESA_FORMAT_ARGB8888
177 pack_ubyte_ARGB8888(const GLubyte src[4], void *dst)
179 GLuint *d = ((GLuint *) dst);
180 *d = PACK_COLOR_8888(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]);
184 pack_float_ARGB8888(const GLfloat src[4], void *dst)
187 _mesa_unclamped_float_rgba_to_ubyte(v, src);
188 pack_ubyte_ARGB8888(v, dst);
192 pack_row_ubyte_ARGB8888(GLuint n, const GLubyte src[][4], void *dst)
194 GLuint *d = ((GLuint *) dst);
196 for (i = 0; i < n; i++) {
197 d[i] = PACK_COLOR_8888(src[i][ACOMP], src[i][RCOMP],
198 src[i][GCOMP], src[i][BCOMP]);
203 pack_row_float_ARGB8888(GLuint n, const GLfloat src[][4], void *dst)
205 GLuint *d = ((GLuint *) dst);
207 for (i = 0; i < n; i++) {
209 _mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
210 pack_ubyte_ARGB8888(v, d + i);
216 * MESA_FORMAT_ARGB8888_REV
220 pack_ubyte_ARGB8888_REV(const GLubyte src[4], void *dst)
222 GLuint *d = ((GLuint *) dst);
223 *d = PACK_COLOR_8888(src[BCOMP], src[GCOMP], src[RCOMP], src[ACOMP]);
227 pack_float_ARGB8888_REV(const GLfloat src[4], void *dst)
230 _mesa_unclamped_float_rgba_to_ubyte(v, src);
231 pack_ubyte_ARGB8888_REV(v, dst);
235 pack_row_ubyte_ARGB8888_REV(GLuint n, const GLubyte src[][4], void *dst)
237 GLuint *d = ((GLuint *) dst);
239 for (i = 0; i < n; i++) {
240 d[i] = PACK_COLOR_8888(src[i][BCOMP], src[i][GCOMP],
241 src[i][RCOMP], src[i][ACOMP]);
246 pack_row_float_ARGB8888_REV(GLuint n, const GLfloat src[][4], void *dst)
248 GLuint *d = ((GLuint *) dst);
250 for (i = 0; i < n; i++) {
252 _mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
253 pack_ubyte_ARGB8888_REV(v, d + i);
259 * MESA_FORMAT_XRGB8888
263 pack_ubyte_XRGB8888(const GLubyte src[4], void *dst)
265 GLuint *d = ((GLuint *) dst);
266 *d = PACK_COLOR_8888(0x0, src[RCOMP], src[GCOMP], src[BCOMP]);
270 pack_float_XRGB8888(const GLfloat src[4], void *dst)
273 _mesa_unclamped_float_rgba_to_ubyte(v, src);
274 pack_ubyte_XRGB8888(v, dst);
278 pack_row_ubyte_XRGB8888(GLuint n, const GLubyte src[][4], void *dst)
280 GLuint *d = ((GLuint *) dst);
282 for (i = 0; i < n; i++) {
283 d[i] = PACK_COLOR_8888(0, src[i][RCOMP], src[i][GCOMP], src[i][BCOMP]);
288 pack_row_float_XRGB8888(GLuint n, const GLfloat src[][4], void *dst)
290 GLuint *d = ((GLuint *) dst);
292 for (i = 0; i < n; i++) {
294 _mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
295 pack_ubyte_XRGB8888(v, d + i);
301 * MESA_FORMAT_XRGB8888_REV
305 pack_ubyte_XRGB8888_REV(const GLubyte src[4], void *dst)
307 GLuint *d = ((GLuint *) dst);
308 *d = PACK_COLOR_8888(src[BCOMP], src[GCOMP], src[RCOMP], 0);
312 pack_float_XRGB8888_REV(const GLfloat src[4], void *dst)
315 _mesa_unclamped_float_rgba_to_ubyte(v, src);
316 pack_ubyte_XRGB8888_REV(v, dst);
320 pack_row_ubyte_XRGB8888_REV(GLuint n, const GLubyte src[][4], void *dst)
322 GLuint *d = ((GLuint *) dst);
324 for (i = 0; i < n; i++) {
325 d[i] = PACK_COLOR_8888(src[i][BCOMP], src[i][GCOMP], src[i][RCOMP], 0);
330 pack_row_float_XRGB8888_REV(GLuint n, const GLfloat src[][4], void *dst)
332 GLuint *d = ((GLuint *) dst);
334 for (i = 0; i < n; i++) {
336 _mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
337 pack_ubyte_XRGB8888_REV(v, d + i);
347 pack_ubyte_RGB888(const GLubyte src[4], void *dst)
349 GLubyte *d = ((GLubyte *) dst);
356 pack_float_RGB888(const GLfloat src[4], void *dst)
358 GLubyte *d = ((GLubyte *) dst);
359 UNCLAMPED_FLOAT_TO_UBYTE(d[2], src[RCOMP]);
360 UNCLAMPED_FLOAT_TO_UBYTE(d[1], src[GCOMP]);
361 UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[BCOMP]);
365 pack_row_ubyte_RGB888(GLuint n, const GLubyte src[][4], void *dst)
367 GLubyte *d = ((GLubyte *) dst);
369 for (i = 0; i < n; i++) {
370 d[i*3+2] = src[i][RCOMP];
371 d[i*3+1] = src[i][GCOMP];
372 d[i*3+0] = src[i][BCOMP];
377 pack_row_float_RGB888(GLuint n, const GLfloat src[][4], void *dst)
379 GLubyte *d = ((GLubyte *) dst);
381 for (i = 0; i < n; i++) {
383 _mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
396 pack_ubyte_BGR888(const GLubyte src[4], void *dst)
398 GLubyte *d = ((GLubyte *) dst);
405 pack_float_BGR888(const GLfloat src[4], void *dst)
407 GLubyte *d = ((GLubyte *) dst);
408 UNCLAMPED_FLOAT_TO_UBYTE(d[2], src[BCOMP]);
409 UNCLAMPED_FLOAT_TO_UBYTE(d[1], src[GCOMP]);
410 UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[RCOMP]);
414 pack_row_ubyte_BGR888(GLuint n, const GLubyte src[][4], void *dst)
416 GLubyte *d = ((GLubyte *) dst);
418 for (i = 0; i < n; i++) {
419 d[i*3+2] = src[i][BCOMP];
420 d[i*3+1] = src[i][GCOMP];
421 d[i*3+0] = src[i][RCOMP];
426 pack_row_float_BGR888(GLuint n, const GLfloat src[][4], void *dst)
428 GLubyte *d = ((GLubyte *) dst);
430 for (i = 0; i < n; i++) {
432 _mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
445 pack_ubyte_RGB565(const GLubyte src[4], void *dst)
447 GLushort *d = ((GLushort *) dst);
448 *d = PACK_COLOR_565(src[RCOMP], src[GCOMP], src[BCOMP]);
452 pack_float_RGB565(const GLfloat src[4], void *dst)
455 UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]);
456 UNCLAMPED_FLOAT_TO_UBYTE(v[1], src[GCOMP]);
457 UNCLAMPED_FLOAT_TO_UBYTE(v[2], src[BCOMP]);
458 pack_ubyte_RGB565(v, dst);
462 pack_row_ubyte_RGB565(GLuint n, const GLubyte src[][4], void *dst)
464 GLushort *d = ((GLushort *) dst);
466 for (i = 0; i < n; i++) {
467 pack_ubyte_RGB565(src[i], d + i);
472 pack_row_float_RGB565(GLuint n, const GLfloat src[][4], void *dst)
474 GLushort *d = ((GLushort *) dst);
476 for (i = 0; i < n; i++) {
478 _mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
479 pack_ubyte_RGB565(v, d + i);
485 * MESA_FORMAT_RGB565_REV
489 pack_ubyte_RGB565_REV(const GLubyte src[4], void *dst)
491 GLushort *d = ((GLushort *) dst);
492 *d = PACK_COLOR_565_REV(src[RCOMP], src[GCOMP], src[BCOMP]);
496 pack_float_RGB565_REV(const GLfloat src[4], void *dst)
498 GLushort *d = ((GLushort *) dst);
500 UNCLAMPED_FLOAT_TO_UBYTE(r, src[RCOMP]);
501 UNCLAMPED_FLOAT_TO_UBYTE(g, src[GCOMP]);
502 UNCLAMPED_FLOAT_TO_UBYTE(b, src[BCOMP]);
503 *d = PACK_COLOR_565_REV(r, g, b);
507 pack_row_ubyte_RGB565_REV(GLuint n, const GLubyte src[][4], void *dst)
509 GLushort *d = ((GLushort *) dst);
511 for (i = 0; i < n; i++) {
512 pack_ubyte_RGB565_REV(src[i], d + i);
517 pack_row_float_RGB565_REV(GLuint n, const GLfloat src[][4], void *dst)
519 GLushort *d = ((GLushort *) dst);
521 for (i = 0; i < n; i++) {
523 _mesa_unclamped_float_rgba_to_ubyte(v, src[i]);
524 pack_ubyte_RGB565_REV(v, d + i);
530 * MESA_FORMAT_ARGB4444
534 pack_ubyte_ARGB4444(const GLubyte src[4], void *dst)
536 GLushort *d = ((GLushort *) dst);
537 *d = PACK_COLOR_4444(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]);
541 pack_float_ARGB4444(const GLfloat src[4], void *dst)
544 _mesa_unclamped_float_rgba_to_ubyte(v, src);
545 pack_ubyte_ARGB4444(v, dst);
548 /* use fallback row packing functions */
552 * MESA_FORMAT_ARGB4444_REV
556 pack_ubyte_ARGB4444_REV(const GLubyte src[4], void *dst)
558 GLushort *d = ((GLushort *) dst);
559 *d = PACK_COLOR_4444(src[GCOMP], src[BCOMP], src[ACOMP], src[RCOMP]);
563 pack_float_ARGB4444_REV(const GLfloat src[4], void *dst)
566 _mesa_unclamped_float_rgba_to_ubyte(v, src);
567 pack_ubyte_ARGB4444_REV(v, dst);
570 /* use fallback row packing functions */
574 * MESA_FORMAT_RGBA5551
578 pack_ubyte_RGBA5551(const GLubyte src[4], void *dst)
580 GLushort *d = ((GLushort *) dst);
581 *d = PACK_COLOR_5551(src[RCOMP], src[GCOMP], src[BCOMP], src[ACOMP]);
585 pack_float_RGBA5551(const GLfloat src[4], void *dst)
588 _mesa_unclamped_float_rgba_to_ubyte(v, src);
589 pack_ubyte_RGBA5551(v, dst);
592 /* use fallback row packing functions */
596 * MESA_FORMAT_ARGB1555
600 pack_ubyte_ARGB1555(const GLubyte src[4], void *dst)
602 GLushort *d = ((GLushort *) dst);
603 *d = PACK_COLOR_1555(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]);
607 pack_float_ARGB1555(const GLfloat src[4], void *dst)
610 _mesa_unclamped_float_rgba_to_ubyte(v, src);
611 pack_ubyte_ARGB1555(v, dst);
615 /* MESA_FORMAT_ARGB1555_REV */
618 pack_ubyte_ARGB1555_REV(const GLubyte src[4], void *dst)
620 GLushort *d = ((GLushort *) dst), tmp;
621 tmp = PACK_COLOR_1555(src[ACOMP], src[RCOMP], src[GCOMP], src[BCOMP]);
622 *d = (tmp >> 8) | (tmp << 8);
626 pack_float_ARGB1555_REV(const GLfloat src[4], void *dst)
629 _mesa_unclamped_float_rgba_to_ubyte(v, src);
630 pack_ubyte_ARGB1555_REV(v, dst);
634 /* MESA_FORMAT_AL44 */
637 pack_ubyte_AL44(const GLubyte src[4], void *dst)
639 GLubyte *d = ((GLubyte *) dst);
640 *d = PACK_COLOR_44(src[ACOMP], src[RCOMP]);
644 pack_float_AL44(const GLfloat src[4], void *dst)
647 UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]);
648 UNCLAMPED_FLOAT_TO_UBYTE(v[3], src[ACOMP]);
649 pack_ubyte_AL44(v, dst);
653 /* MESA_FORMAT_AL88 */
656 pack_ubyte_AL88(const GLubyte src[4], void *dst)
658 GLushort *d = ((GLushort *) dst);
659 *d = PACK_COLOR_88(src[ACOMP], src[RCOMP]);
663 pack_float_AL88(const GLfloat src[4], void *dst)
666 UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]);
667 UNCLAMPED_FLOAT_TO_UBYTE(v[3], src[ACOMP]);
668 pack_ubyte_AL88(v, dst);
672 /* MESA_FORMAT_AL88_REV */
675 pack_ubyte_AL88_REV(const GLubyte src[4], void *dst)
677 GLushort *d = ((GLushort *) dst);
678 *d = PACK_COLOR_88(src[RCOMP], src[ACOMP]);
682 pack_float_AL88_REV(const GLfloat src[4], void *dst)
685 UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]);
686 UNCLAMPED_FLOAT_TO_UBYTE(v[3], src[ACOMP]);
687 pack_ubyte_AL88_REV(v, dst);
691 /* MESA_FORMAT_AL1616 */
694 pack_ubyte_AL1616(const GLubyte src[4], void *dst)
696 GLuint *d = ((GLuint *) dst);
697 GLushort l = UBYTE_TO_USHORT(src[RCOMP]);
698 GLushort a = UBYTE_TO_USHORT(src[ACOMP]);
699 *d = PACK_COLOR_1616(a, l);
703 pack_float_AL1616(const GLfloat src[4], void *dst)
705 GLuint *d = ((GLuint *) dst);
707 UNCLAMPED_FLOAT_TO_USHORT(l, src[RCOMP]);
708 UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]);
709 *d = PACK_COLOR_1616(a, l);
713 /* MESA_FORMAT_AL1616_REV */
716 pack_ubyte_AL1616_REV(const GLubyte src[4], void *dst)
718 GLuint *d = ((GLuint *) dst);
719 GLushort l = UBYTE_TO_USHORT(src[RCOMP]);
720 GLushort a = UBYTE_TO_USHORT(src[ACOMP]);
721 *d = PACK_COLOR_1616(l, a);
725 pack_float_AL1616_REV(const GLfloat src[4], void *dst)
727 GLuint *d = ((GLuint *) dst);
729 UNCLAMPED_FLOAT_TO_USHORT(l, src[RCOMP]);
730 UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]);
731 *d = PACK_COLOR_1616(l, a);
735 /* MESA_FORMAT_RGB332 */
738 pack_ubyte_RGB332(const GLubyte src[4], void *dst)
740 GLubyte *d = ((GLubyte *) dst);
741 *d = PACK_COLOR_332(src[RCOMP], src[GCOMP], src[BCOMP]);
745 pack_float_RGB332(const GLfloat src[4], void *dst)
748 UNCLAMPED_FLOAT_TO_UBYTE(v[0], src[RCOMP]);
749 UNCLAMPED_FLOAT_TO_UBYTE(v[1], src[GCOMP]);
750 UNCLAMPED_FLOAT_TO_UBYTE(v[2], src[BCOMP]);
751 pack_ubyte_RGB332(v, dst);
758 pack_ubyte_A8(const GLubyte src[4], void *dst)
760 GLubyte *d = ((GLubyte *) dst);
765 pack_float_A8(const GLfloat src[4], void *dst)
767 GLubyte *d = ((GLubyte *) dst);
768 UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[ACOMP]);
772 /* MESA_FORMAT_A16 */
775 pack_ubyte_A16(const GLubyte src[4], void *dst)
777 GLushort *d = ((GLushort *) dst);
778 *d = UBYTE_TO_USHORT(src[ACOMP]);
782 pack_float_A16(const GLfloat src[4], void *dst)
784 GLushort *d = ((GLushort *) dst);
785 UNCLAMPED_FLOAT_TO_USHORT(d[0], src[ACOMP]);
792 pack_ubyte_L8(const GLubyte src[4], void *dst)
794 GLubyte *d = ((GLubyte *) dst);
799 pack_float_L8(const GLfloat src[4], void *dst)
801 GLubyte *d = ((GLubyte *) dst);
802 UNCLAMPED_FLOAT_TO_UBYTE(d[0], src[RCOMP]);
806 /* MESA_FORMAT_L16 */
809 pack_ubyte_L16(const GLubyte src[4], void *dst)
811 GLushort *d = ((GLushort *) dst);
812 *d = UBYTE_TO_USHORT(src[RCOMP]);
816 pack_float_L16(const GLfloat src[4], void *dst)
818 GLushort *d = ((GLushort *) dst);
819 UNCLAMPED_FLOAT_TO_USHORT(d[0], src[RCOMP]);
823 /* MESA_FORMAT_YCBCR */
826 pack_ubyte_YCBCR(const GLubyte src[4], void *dst)
832 pack_float_YCBCR(const GLfloat src[4], void *dst)
838 /* MESA_FORMAT_YCBCR_REV */
841 pack_ubyte_YCBCR_REV(const GLubyte src[4], void *dst)
847 pack_float_YCBCR_REV(const GLfloat src[4], void *dst)
856 pack_ubyte_R8(const GLubyte src[4], void *dst)
858 GLubyte *d = ((GLubyte *) dst);
863 pack_float_R8(const GLfloat src[4], void *dst)
865 GLubyte *d = ((GLubyte *) dst);
867 UNCLAMPED_FLOAT_TO_UBYTE(r, src[RCOMP]);
872 /* MESA_FORMAT_GR88 */
875 pack_ubyte_GR88(const GLubyte src[4], void *dst)
877 GLubyte *d = ((GLubyte *) dst);
878 *d = PACK_COLOR_88(src[GCOMP], src[RCOMP]);
882 pack_float_GR88(const GLfloat src[4], void *dst)
884 GLushort *d = ((GLushort *) dst);
886 UNCLAMPED_FLOAT_TO_UBYTE(r, src[RCOMP]);
887 UNCLAMPED_FLOAT_TO_UBYTE(g, src[GCOMP]);
888 *d = PACK_COLOR_88(g, r);
892 /* MESA_FORMAT_RG88 */
895 pack_ubyte_RG88(const GLubyte src[4], void *dst)
897 GLubyte *d = ((GLubyte *) dst);
898 *d = PACK_COLOR_88(src[RCOMP], src[GCOMP]);
902 pack_float_RG88(const GLfloat src[4], void *dst)
904 GLushort *d = ((GLushort *) dst);
906 UNCLAMPED_FLOAT_TO_UBYTE(r, src[RCOMP]);
907 UNCLAMPED_FLOAT_TO_UBYTE(g, src[GCOMP]);
908 *d = PACK_COLOR_88(r, g);
912 /* MESA_FORMAT_R16 */
915 pack_ubyte_R16(const GLubyte src[4], void *dst)
917 GLushort *d = ((GLushort *) dst);
918 *d = UBYTE_TO_USHORT(src[RCOMP]);
922 pack_float_R16(const GLfloat src[4], void *dst)
924 GLushort *d = ((GLushort *) dst);
925 UNCLAMPED_FLOAT_TO_USHORT(d[0], src[RCOMP]);
929 /* MESA_FORMAT_RG1616 */
932 pack_ubyte_RG1616(const GLubyte src[4], void *dst)
934 GLuint *d = ((GLuint *) dst);
935 GLushort r = UBYTE_TO_USHORT(src[RCOMP]);
936 GLushort g = UBYTE_TO_USHORT(src[GCOMP]);
937 *d = PACK_COLOR_1616(g, r);
941 pack_float_RG1616(const GLfloat src[4], void *dst)
943 GLuint *d = ((GLuint *) dst);
945 UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]);
946 UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]);
947 *d = PACK_COLOR_1616(g, r);
951 /* MESA_FORMAT_RG1616_REV */
954 pack_ubyte_RG1616_REV(const GLubyte src[4], void *dst)
956 GLuint *d = ((GLuint *) dst);
957 GLushort r = UBYTE_TO_USHORT(src[RCOMP]);
958 GLushort g = UBYTE_TO_USHORT(src[GCOMP]);
959 *d = PACK_COLOR_1616(r, g);
964 pack_float_RG1616_REV(const GLfloat src[4], void *dst)
966 GLuint *d = ((GLuint *) dst);
968 UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]);
969 UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]);
970 *d = PACK_COLOR_1616(r, g);
974 /* MESA_FORMAT_ARGB2101010 */
977 pack_ubyte_ARGB2101010(const GLubyte src[4], void *dst)
979 GLuint *d = ((GLuint *) dst);
980 GLushort r = UBYTE_TO_USHORT(src[RCOMP]);
981 GLushort g = UBYTE_TO_USHORT(src[GCOMP]);
982 GLushort b = UBYTE_TO_USHORT(src[BCOMP]);
983 GLushort a = UBYTE_TO_USHORT(src[ACOMP]);
984 *d = PACK_COLOR_2101010_US(a, r, g, b);
988 pack_float_ARGB2101010(const GLfloat src[4], void *dst)
990 GLuint *d = ((GLuint *) dst);
992 UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]);
993 UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]);
994 UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]);
995 UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]);
996 *d = PACK_COLOR_2101010_US(a, r, g, b);
1000 /* MESA_FORMAT_SRGB8 */
1003 pack_ubyte_SRGB8(const GLubyte src[4], void *dst)
1005 GLubyte *d = ((GLubyte *) dst);
1006 d[2] = linear_ubyte_to_srgb_ubyte(src[RCOMP]);
1007 d[1] = linear_ubyte_to_srgb_ubyte(src[RCOMP]);
1008 d[0] = linear_ubyte_to_srgb_ubyte(src[RCOMP]);
1012 pack_float_SRGB8(const GLfloat src[4], void *dst)
1014 GLubyte *d = ((GLubyte *) dst);
1015 d[2] = linear_float_to_srgb_ubyte(src[RCOMP]);
1016 d[1] = linear_float_to_srgb_ubyte(src[GCOMP]);
1017 d[0] = linear_float_to_srgb_ubyte(src[BCOMP]);
1021 /* MESA_FORMAT_SRGBA8 */
1024 pack_ubyte_SRGBA8(const GLubyte src[4], void *dst)
1026 GLuint *d = ((GLuint *) dst);
1027 GLubyte r = linear_ubyte_to_srgb_ubyte(src[RCOMP]);
1028 GLubyte g = linear_ubyte_to_srgb_ubyte(src[GCOMP]);
1029 GLubyte b = linear_ubyte_to_srgb_ubyte(src[BCOMP]);
1030 *d = PACK_COLOR_8888(r, g, b, src[ACOMP]);
1034 pack_float_SRGBA8(const GLfloat src[4], void *dst)
1036 GLuint *d = ((GLuint *) dst);
1038 r = linear_float_to_srgb_ubyte(src[RCOMP]);
1039 g = linear_float_to_srgb_ubyte(src[GCOMP]);
1040 b = linear_float_to_srgb_ubyte(src[BCOMP]);
1041 UNCLAMPED_FLOAT_TO_UBYTE(a, src[ACOMP]);
1042 *d = PACK_COLOR_8888(r, g, b, a);
1046 /* MESA_FORMAT_SARGB8 */
1049 pack_ubyte_SARGB8(const GLubyte src[4], void *dst)
1051 GLuint *d = ((GLuint *) dst);
1052 GLubyte r = linear_ubyte_to_srgb_ubyte(src[RCOMP]);
1053 GLubyte g = linear_ubyte_to_srgb_ubyte(src[RCOMP]);
1054 GLubyte b = linear_ubyte_to_srgb_ubyte(src[RCOMP]);
1055 *d = PACK_COLOR_8888(src[ACOMP], r, g, b);
1059 pack_float_SARGB8(const GLfloat src[4], void *dst)
1061 GLuint *d = ((GLuint *) dst);
1063 r = linear_float_to_srgb_ubyte(src[RCOMP]);
1064 g = linear_float_to_srgb_ubyte(src[GCOMP]);
1065 b = linear_float_to_srgb_ubyte(src[BCOMP]);
1066 UNCLAMPED_FLOAT_TO_UBYTE(a, src[ACOMP]);
1067 *d = PACK_COLOR_8888(a, r, g, b);
1071 /* MESA_FORMAT_SL8 */
1074 pack_ubyte_SL8(const GLubyte src[4], void *dst)
1076 GLubyte *d = ((GLubyte *) dst);
1077 *d = linear_ubyte_to_srgb_ubyte(src[RCOMP]);
1081 pack_float_SL8(const GLfloat src[4], void *dst)
1083 GLubyte *d = ((GLubyte *) dst);
1084 GLubyte l = linear_float_to_srgb_ubyte(src[RCOMP]);
1089 /* MESA_FORMAT_SLA8 */
1092 pack_ubyte_SLA8(const GLubyte src[4], void *dst)
1094 GLushort *d = ((GLushort *) dst);
1095 GLubyte l = linear_ubyte_to_srgb_ubyte(src[RCOMP]);
1096 *d = PACK_COLOR_88(src[ACOMP], l);
1100 pack_float_SLA8(const GLfloat src[4], void *dst)
1102 GLushort *d = ((GLushort *) dst);
1103 GLubyte a, l = linear_float_to_srgb_ubyte(src[RCOMP]);
1104 CLAMPED_FLOAT_TO_UBYTE(a, src[ACOMP]);
1105 *d = PACK_COLOR_88(a, l);
1109 /* MESA_FORMAT_RGBA_FLOAT32 */
1112 pack_ubyte_RGBA_FLOAT32(const GLubyte src[4], void *dst)
1114 GLfloat *d = ((GLfloat *) dst);
1115 d[0] = UBYTE_TO_FLOAT(src[0]);
1116 d[1] = UBYTE_TO_FLOAT(src[1]);
1117 d[2] = UBYTE_TO_FLOAT(src[2]);
1118 d[3] = UBYTE_TO_FLOAT(src[3]);
1122 pack_float_RGBA_FLOAT32(const GLfloat src[4], void *dst)
1124 GLfloat *d = ((GLfloat *) dst);
1132 /* MESA_FORMAT_RGBA_FLOAT16 */
1135 pack_ubyte_RGBA_FLOAT16(const GLubyte src[4], void *dst)
1137 GLhalfARB *d = ((GLhalfARB *) dst);
1138 d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[0]));
1139 d[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[1]));
1140 d[2] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[2]));
1141 d[3] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[3]));
1145 pack_float_RGBA_FLOAT16(const GLfloat src[4], void *dst)
1147 GLhalfARB *d = ((GLhalfARB *) dst);
1148 d[0] = _mesa_float_to_half(src[0]);
1149 d[1] = _mesa_float_to_half(src[1]);
1150 d[2] = _mesa_float_to_half(src[2]);
1151 d[3] = _mesa_float_to_half(src[3]);
1155 /* MESA_FORMAT_RGB_FLOAT32 */
1158 pack_ubyte_RGB_FLOAT32(const GLubyte src[4], void *dst)
1160 GLfloat *d = ((GLfloat *) dst);
1161 d[0] = UBYTE_TO_FLOAT(src[0]);
1162 d[1] = UBYTE_TO_FLOAT(src[1]);
1163 d[2] = UBYTE_TO_FLOAT(src[2]);
1167 pack_float_RGB_FLOAT32(const GLfloat src[4], void *dst)
1169 GLfloat *d = ((GLfloat *) dst);
1176 /* MESA_FORMAT_RGB_FLOAT16 */
1179 pack_ubyte_RGB_FLOAT16(const GLubyte src[4], void *dst)
1181 GLhalfARB *d = ((GLhalfARB *) dst);
1182 d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[0]));
1183 d[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[1]));
1184 d[2] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[2]));
1188 pack_float_RGB_FLOAT16(const GLfloat src[4], void *dst)
1190 GLhalfARB *d = ((GLhalfARB *) dst);
1191 d[0] = _mesa_float_to_half(src[0]);
1192 d[1] = _mesa_float_to_half(src[1]);
1193 d[2] = _mesa_float_to_half(src[2]);
1197 /* MESA_FORMAT_ALPHA_FLOAT32 */
1200 pack_ubyte_ALPHA_FLOAT32(const GLubyte src[4], void *dst)
1202 GLfloat *d = ((GLfloat *) dst);
1203 d[0] = UBYTE_TO_FLOAT(src[ACOMP]);
1207 pack_float_ALPHA_FLOAT32(const GLfloat src[4], void *dst)
1209 GLfloat *d = ((GLfloat *) dst);
1214 /* MESA_FORMAT_ALPHA_FLOAT16 */
1217 pack_ubyte_ALPHA_FLOAT16(const GLubyte src[4], void *dst)
1219 GLhalfARB *d = ((GLhalfARB *) dst);
1220 d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[ACOMP]));
1224 pack_float_ALPHA_FLOAT16(const GLfloat src[4], void *dst)
1226 GLhalfARB *d = ((GLhalfARB *) dst);
1227 d[0] = _mesa_float_to_half(src[ACOMP]);
1231 /* MESA_FORMAT_LUMINANCE_FLOAT32 (and INTENSITY_FLOAT32, R_FLOAT32) */
1234 pack_ubyte_LUMINANCE_FLOAT32(const GLubyte src[4], void *dst)
1236 GLfloat *d = ((GLfloat *) dst);
1237 d[0] = UBYTE_TO_FLOAT(src[RCOMP]);
1241 pack_float_LUMINANCE_FLOAT32(const GLfloat src[4], void *dst)
1243 GLfloat *d = ((GLfloat *) dst);
1248 /* MESA_FORMAT_LUMINANCE_FLOAT16 (and INTENSITY_FLOAT16, R_FLOAT32) */
1251 pack_ubyte_LUMINANCE_FLOAT16(const GLubyte src[4], void *dst)
1253 GLhalfARB *d = ((GLhalfARB *) dst);
1254 d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[RCOMP]));
1258 pack_float_LUMINANCE_FLOAT16(const GLfloat src[4], void *dst)
1260 GLhalfARB *d = ((GLhalfARB *) dst);
1261 d[0] = _mesa_float_to_half(src[RCOMP]);
1265 /* MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32 */
1268 pack_ubyte_LUMINANCE_ALPHA_FLOAT32(const GLubyte src[4], void *dst)
1270 GLfloat *d = ((GLfloat *) dst);
1271 d[0] = UBYTE_TO_FLOAT(src[RCOMP]);
1272 d[1] = UBYTE_TO_FLOAT(src[ACOMP]);
1276 pack_float_LUMINANCE_ALPHA_FLOAT32(const GLfloat src[4], void *dst)
1278 GLfloat *d = ((GLfloat *) dst);
1284 /* MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16 */
1287 pack_ubyte_LUMINANCE_ALPHA_FLOAT16(const GLubyte src[4], void *dst)
1289 GLhalfARB *d = ((GLhalfARB *) dst);
1290 d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[RCOMP]));
1291 d[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[ACOMP]));
1295 pack_float_LUMINANCE_ALPHA_FLOAT16(const GLfloat src[4], void *dst)
1297 GLhalfARB *d = ((GLhalfARB *) dst);
1298 d[0] = _mesa_float_to_half(src[RCOMP]);
1299 d[1] = _mesa_float_to_half(src[ACOMP]);
1303 /* MESA_FORMAT_RG_FLOAT32 */
1306 pack_ubyte_RG_FLOAT32(const GLubyte src[4], void *dst)
1308 GLfloat *d = ((GLfloat *) dst);
1309 d[0] = UBYTE_TO_FLOAT(src[RCOMP]);
1310 d[1] = UBYTE_TO_FLOAT(src[GCOMP]);
1314 pack_float_RG_FLOAT32(const GLfloat src[4], void *dst)
1316 GLfloat *d = ((GLfloat *) dst);
1322 /* MESA_FORMAT_RG_FLOAT16 */
1325 pack_ubyte_RG_FLOAT16(const GLubyte src[4], void *dst)
1327 GLhalfARB *d = ((GLhalfARB *) dst);
1328 d[0] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[RCOMP]));
1329 d[1] = _mesa_float_to_half(UBYTE_TO_FLOAT(src[GCOMP]));
1333 pack_float_RG_FLOAT16(const GLfloat src[4], void *dst)
1335 GLhalfARB *d = ((GLhalfARB *) dst);
1336 d[0] = _mesa_float_to_half(src[RCOMP]);
1337 d[1] = _mesa_float_to_half(src[GCOMP]);
1341 /* MESA_FORMAT_DUDV8 */
1344 pack_ubyte_DUDV8(const GLubyte src[4], void *dst)
1346 /* XXX is this ever used? */
1347 GLushort *d = ((GLushort *) dst);
1348 *d = PACK_COLOR_88(src[0], src[1]);
1352 pack_float_DUDV8(const GLfloat src[4], void *dst)
1354 GLushort *d = ((GLushort *) dst);
1356 du = FLOAT_TO_BYTE(CLAMP(src[0], 0.0F, 1.0F));
1357 dv = FLOAT_TO_BYTE(CLAMP(src[1], 0.0F, 1.0F));
1358 *d = PACK_COLOR_88(du, dv);
1362 /* MESA_FORMAT_RGBA_16 */
1365 pack_ubyte_RGBA_16(const GLubyte src[4], void *dst)
1367 GLushort *d = ((GLushort *) dst);
1368 d[0] = UBYTE_TO_USHORT(src[RCOMP]);
1369 d[1] = UBYTE_TO_USHORT(src[GCOMP]);
1370 d[2] = UBYTE_TO_USHORT(src[BCOMP]);
1371 d[3] = UBYTE_TO_USHORT(src[ACOMP]);
1375 pack_float_RGBA_16(const GLfloat src[4], void *dst)
1377 GLushort *d = ((GLushort *) dst);
1378 UNCLAMPED_FLOAT_TO_USHORT(d[0], src[RCOMP]);
1379 UNCLAMPED_FLOAT_TO_USHORT(d[1], src[GCOMP]);
1380 UNCLAMPED_FLOAT_TO_USHORT(d[2], src[BCOMP]);
1381 UNCLAMPED_FLOAT_TO_USHORT(d[3], src[ACOMP]);
1387 * MESA_FORMAT_SIGNED_R8
1391 pack_float_SIGNED_R8(const GLfloat src[4], void *dst)
1393 GLbyte *d = (GLbyte *) dst;
1394 *d = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f));
1399 * MESA_FORMAT_SIGNED_RG88_REV
1403 pack_float_SIGNED_RG88_REV(const GLfloat src[4], void *dst)
1405 GLushort *d = (GLushort *) dst;
1406 GLbyte r = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f));
1407 GLbyte g = FLOAT_TO_BYTE(CLAMP(src[GCOMP], -1.0f, 1.0f));
1413 * MESA_FORMAT_SIGNED_RGBX8888
1417 pack_float_SIGNED_RGBX8888(const GLfloat src[4], void *dst)
1419 GLuint *d = (GLuint *) dst;
1420 GLbyte r = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f));
1421 GLbyte g = FLOAT_TO_BYTE(CLAMP(src[GCOMP], -1.0f, 1.0f));
1422 GLbyte b = FLOAT_TO_BYTE(CLAMP(src[BCOMP], -1.0f, 1.0f));
1424 *d = PACK_COLOR_8888(r, g, b, a);
1429 * MESA_FORMAT_SIGNED_RGBA8888
1433 pack_float_SIGNED_RGBA8888(const GLfloat src[4], void *dst)
1435 GLuint *d = (GLuint *) dst;
1436 GLbyte r = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f));
1437 GLbyte g = FLOAT_TO_BYTE(CLAMP(src[GCOMP], -1.0f, 1.0f));
1438 GLbyte b = FLOAT_TO_BYTE(CLAMP(src[BCOMP], -1.0f, 1.0f));
1439 GLbyte a = FLOAT_TO_BYTE(CLAMP(src[ACOMP], -1.0f, 1.0f));
1440 *d = PACK_COLOR_8888(r, g, b, a);
1445 * MESA_FORMAT_SIGNED_RGBA8888_REV
1449 pack_float_SIGNED_RGBA8888_REV(const GLfloat src[4], void *dst)
1451 GLuint *d = (GLuint *) dst;
1452 GLbyte r = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f));
1453 GLbyte g = FLOAT_TO_BYTE(CLAMP(src[GCOMP], -1.0f, 1.0f));
1454 GLbyte b = FLOAT_TO_BYTE(CLAMP(src[BCOMP], -1.0f, 1.0f));
1455 GLbyte a = FLOAT_TO_BYTE(CLAMP(src[ACOMP], -1.0f, 1.0f));
1456 *d = PACK_COLOR_8888(a, b, g, r);
1461 * MESA_FORMAT_SIGNED_R16
1465 pack_float_SIGNED_R16(const GLfloat src[4], void *dst)
1467 GLshort *d = (GLshort *) dst;
1468 *d = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f));
1473 * MESA_FORMAT_SIGNED_GR1616
1477 pack_float_SIGNED_GR1616(const GLfloat src[4], void *dst)
1479 GLuint *d = (GLuint *) dst;
1480 GLshort r = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f));
1481 GLshort g = FLOAT_TO_SHORT(CLAMP(src[GCOMP], -1.0f, 1.0f));
1482 *d = (g << 16) | (r & 0xffff);
1487 * MESA_FORMAT_SIGNED_RGB_16
1491 pack_float_SIGNED_RGB_16(const GLfloat src[4], void *dst)
1493 GLshort *d = (GLshort *) dst;
1494 d[0] = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f));
1495 d[1] = FLOAT_TO_SHORT(CLAMP(src[GCOMP], -1.0f, 1.0f));
1496 d[2] = FLOAT_TO_SHORT(CLAMP(src[BCOMP], -1.0f, 1.0f));
1501 * MESA_FORMAT_SIGNED_RGBA_16
1505 pack_float_SIGNED_RGBA_16(const GLfloat src[4], void *dst)
1507 GLshort *d = (GLshort *) dst;
1508 d[0] = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f));
1509 d[1] = FLOAT_TO_SHORT(CLAMP(src[GCOMP], -1.0f, 1.0f));
1510 d[2] = FLOAT_TO_SHORT(CLAMP(src[BCOMP], -1.0f, 1.0f));
1511 d[3] = FLOAT_TO_SHORT(CLAMP(src[ACOMP], -1.0f, 1.0f));
1516 * MESA_FORMAT_SIGNED_A8
1520 pack_float_SIGNED_A8(const GLfloat src[4], void *dst)
1522 GLbyte *d = (GLbyte *) dst;
1523 *d = FLOAT_TO_BYTE(CLAMP(src[ACOMP], -1.0f, 1.0f));
1528 * MESA_FORMAT_SIGNED_L8
1532 pack_float_SIGNED_L8(const GLfloat src[4], void *dst)
1534 GLbyte *d = (GLbyte *) dst;
1535 *d = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f));
1540 * MESA_FORMAT_SIGNED_AL88
1544 pack_float_SIGNED_AL88(const GLfloat src[4], void *dst)
1546 GLushort *d = (GLushort *) dst;
1547 GLbyte l = FLOAT_TO_BYTE(CLAMP(src[RCOMP], -1.0f, 1.0f));
1548 GLbyte a = FLOAT_TO_BYTE(CLAMP(src[ACOMP], -1.0f, 1.0f));
1554 * MESA_FORMAT_SIGNED_A16
1558 pack_float_SIGNED_A16(const GLfloat src[4], void *dst)
1560 GLshort *d = (GLshort *) dst;
1561 *d = FLOAT_TO_SHORT(CLAMP(src[ACOMP], -1.0f, 1.0f));
1566 * MESA_FORMAT_SIGNED_L16
1570 pack_float_SIGNED_L16(const GLfloat src[4], void *dst)
1572 GLshort *d = (GLshort *) dst;
1573 *d = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f));
1578 * MESA_FORMAT_SIGNED_AL1616
1582 pack_float_SIGNED_AL1616(const GLfloat src[4], void *dst)
1584 GLuint *d = (GLuint *) dst;
1585 GLshort l = FLOAT_TO_SHORT(CLAMP(src[RCOMP], -1.0f, 1.0f));
1586 GLshort a = FLOAT_TO_SHORT(CLAMP(src[ACOMP], -1.0f, 1.0f));
1587 *d = PACK_COLOR_1616(a, l);
1592 * MESA_FORMAT_RGB9_E5_FLOAT;
1596 pack_float_RGB9_E5_FLOAT(const GLfloat src[4], void *dst)
1598 GLuint *d = (GLuint *) dst;
1599 *d = float3_to_rgb9e5(src);
1603 pack_ubyte_RGB9_E5_FLOAT(const GLubyte src[4], void *dst)
1605 GLuint *d = (GLuint *) dst;
1607 rgb[0] = UBYTE_TO_FLOAT(src[RCOMP]);
1608 rgb[1] = UBYTE_TO_FLOAT(src[GCOMP]);
1609 rgb[2] = UBYTE_TO_FLOAT(src[BCOMP]);
1610 *d = float3_to_rgb9e5(rgb);
1616 * MESA_FORMAT_R11_G11_B10_FLOAT;
1620 pack_ubyte_R11_G11_B10_FLOAT(const GLubyte src[4], void *dst)
1622 GLuint *d = (GLuint *) dst;
1624 rgb[0] = UBYTE_TO_FLOAT(src[RCOMP]);
1625 rgb[1] = UBYTE_TO_FLOAT(src[GCOMP]);
1626 rgb[2] = UBYTE_TO_FLOAT(src[BCOMP]);
1627 *d = float3_to_r11g11b10f(rgb);
1631 pack_float_R11_G11_B10_FLOAT(const GLfloat src[4], void *dst)
1633 GLuint *d = (GLuint *) dst;
1634 *d = float3_to_r11g11b10f(src);
1640 * Return a function that can pack a GLubyte rgba[4] color.
1642 gl_pack_ubyte_rgba_func
1643 _mesa_get_pack_ubyte_rgba_function(gl_format format)
1645 static gl_pack_ubyte_rgba_func table[MESA_FORMAT_COUNT];
1646 static GLboolean initialized = GL_FALSE;
1649 memset(table, 0, sizeof(table));
1651 table[MESA_FORMAT_NONE] = NULL;
1653 table[MESA_FORMAT_RGBA8888] = pack_ubyte_RGBA8888;
1654 table[MESA_FORMAT_RGBA8888_REV] = pack_ubyte_RGBA8888_REV;
1655 table[MESA_FORMAT_ARGB8888] = pack_ubyte_ARGB8888;
1656 table[MESA_FORMAT_ARGB8888_REV] = pack_ubyte_ARGB8888_REV;
1657 table[MESA_FORMAT_RGBX8888] = pack_ubyte_RGBA8888; /* reused */
1658 table[MESA_FORMAT_RGBX8888_REV] = pack_ubyte_RGBA8888_REV; /* reused */
1659 table[MESA_FORMAT_XRGB8888] = pack_ubyte_XRGB8888;
1660 table[MESA_FORMAT_XRGB8888_REV] = pack_ubyte_XRGB8888_REV;
1661 table[MESA_FORMAT_RGB888] = pack_ubyte_RGB888;
1662 table[MESA_FORMAT_BGR888] = pack_ubyte_BGR888;
1663 table[MESA_FORMAT_RGB565] = pack_ubyte_RGB565;
1664 table[MESA_FORMAT_RGB565_REV] = pack_ubyte_RGB565_REV;
1665 table[MESA_FORMAT_ARGB4444] = pack_ubyte_ARGB4444;
1666 table[MESA_FORMAT_ARGB4444_REV] = pack_ubyte_ARGB4444_REV;
1667 table[MESA_FORMAT_RGBA5551] = pack_ubyte_RGBA5551;
1668 table[MESA_FORMAT_ARGB1555] = pack_ubyte_ARGB1555;
1669 table[MESA_FORMAT_ARGB1555_REV] = pack_ubyte_ARGB1555_REV;
1670 table[MESA_FORMAT_AL44] = pack_ubyte_AL44;
1671 table[MESA_FORMAT_AL88] = pack_ubyte_AL88;
1672 table[MESA_FORMAT_AL88_REV] = pack_ubyte_AL88_REV;
1673 table[MESA_FORMAT_AL1616] = pack_ubyte_AL1616;
1674 table[MESA_FORMAT_AL1616_REV] = pack_ubyte_AL1616_REV;
1675 table[MESA_FORMAT_RGB332] = pack_ubyte_RGB332;
1676 table[MESA_FORMAT_A8] = pack_ubyte_A8;
1677 table[MESA_FORMAT_A16] = pack_ubyte_A16;
1678 table[MESA_FORMAT_L8] = pack_ubyte_L8;
1679 table[MESA_FORMAT_L16] = pack_ubyte_L16;
1680 table[MESA_FORMAT_I8] = pack_ubyte_L8; /* reuse pack_ubyte_L8 */
1681 table[MESA_FORMAT_I16] = pack_ubyte_L16; /* reuse pack_ubyte_L16 */
1682 table[MESA_FORMAT_YCBCR] = pack_ubyte_YCBCR;
1683 table[MESA_FORMAT_YCBCR_REV] = pack_ubyte_YCBCR_REV;
1684 table[MESA_FORMAT_R8] = pack_ubyte_R8;
1685 table[MESA_FORMAT_GR88] = pack_ubyte_GR88;
1686 table[MESA_FORMAT_RG88] = pack_ubyte_RG88;
1687 table[MESA_FORMAT_R16] = pack_ubyte_R16;
1688 table[MESA_FORMAT_RG1616] = pack_ubyte_RG1616;
1689 table[MESA_FORMAT_RG1616_REV] = pack_ubyte_RG1616_REV;
1690 table[MESA_FORMAT_ARGB2101010] = pack_ubyte_ARGB2101010;
1692 /* should never convert RGBA to these formats */
1693 table[MESA_FORMAT_Z24_S8] = NULL;
1694 table[MESA_FORMAT_S8_Z24] = NULL;
1695 table[MESA_FORMAT_Z16] = NULL;
1696 table[MESA_FORMAT_X8_Z24] = NULL;
1697 table[MESA_FORMAT_Z24_X8] = NULL;
1698 table[MESA_FORMAT_Z32] = NULL;
1699 table[MESA_FORMAT_S8] = NULL;
1702 table[MESA_FORMAT_SRGB8] = pack_ubyte_SRGB8;
1703 table[MESA_FORMAT_SRGBA8] = pack_ubyte_SRGBA8;
1704 table[MESA_FORMAT_SARGB8] = pack_ubyte_SARGB8;
1705 table[MESA_FORMAT_SL8] = pack_ubyte_SL8;
1706 table[MESA_FORMAT_SLA8] = pack_ubyte_SLA8;
1709 table[MESA_FORMAT_SRGB_DXT1] = NULL; /* pack_ubyte_SRGB_DXT1; */
1710 table[MESA_FORMAT_SRGBA_DXT1] = NULL; /* pack_ubyte_SRGBA_DXT1; */
1711 table[MESA_FORMAT_SRGBA_DXT3] = NULL; /* pack_ubyte_SRGBA_DXT3; */
1712 table[MESA_FORMAT_SRGBA_DXT5] = NULL; /* pack_ubyte_SRGBA_DXT5; */
1714 table[MESA_FORMAT_RGB_FXT1] = NULL; /* pack_ubyte_RGB_FXT1; */
1715 table[MESA_FORMAT_RGBA_FXT1] = NULL; /* pack_ubyte_RGBA_FXT1; */
1716 table[MESA_FORMAT_RGB_DXT1] = NULL; /* pack_ubyte_RGB_DXT1; */
1717 table[MESA_FORMAT_RGBA_DXT1] = NULL; /* pack_ubyte_RGBA_DXT1; */
1718 table[MESA_FORMAT_RGBA_DXT3] = NULL; /* pack_ubyte_RGBA_DXT3; */
1719 table[MESA_FORMAT_RGBA_DXT5] = NULL; /* pack_ubyte_RGBA_DXT5; */
1721 table[MESA_FORMAT_RGBA_FLOAT32] = pack_ubyte_RGBA_FLOAT32;
1722 table[MESA_FORMAT_RGBA_FLOAT16] = pack_ubyte_RGBA_FLOAT16;
1723 table[MESA_FORMAT_RGB_FLOAT32] = pack_ubyte_RGB_FLOAT32;
1724 table[MESA_FORMAT_RGB_FLOAT16] = pack_ubyte_RGB_FLOAT16;
1725 table[MESA_FORMAT_ALPHA_FLOAT32] = pack_ubyte_ALPHA_FLOAT32;
1726 table[MESA_FORMAT_ALPHA_FLOAT16] = pack_ubyte_ALPHA_FLOAT16;
1727 table[MESA_FORMAT_LUMINANCE_FLOAT32] = pack_ubyte_LUMINANCE_FLOAT32;
1728 table[MESA_FORMAT_LUMINANCE_FLOAT16] = pack_ubyte_LUMINANCE_FLOAT16;
1729 table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32] = pack_ubyte_LUMINANCE_ALPHA_FLOAT32;
1730 table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16] = pack_ubyte_LUMINANCE_ALPHA_FLOAT16;
1731 table[MESA_FORMAT_INTENSITY_FLOAT32] = pack_ubyte_LUMINANCE_FLOAT32;
1732 table[MESA_FORMAT_INTENSITY_FLOAT16] = pack_ubyte_LUMINANCE_FLOAT16;
1733 table[MESA_FORMAT_R_FLOAT32] = pack_ubyte_LUMINANCE_FLOAT32;
1734 table[MESA_FORMAT_R_FLOAT16] = pack_ubyte_LUMINANCE_FLOAT16;
1735 table[MESA_FORMAT_RG_FLOAT32] = pack_ubyte_RG_FLOAT32;
1736 table[MESA_FORMAT_RG_FLOAT16] = pack_ubyte_RG_FLOAT16;
1739 table[MESA_FORMAT_RGBA_INT8] = NULL; /* pack_ubyte_RGBA_INT8 */
1740 table[MESA_FORMAT_RGBA_INT16] = NULL; /* pack_ubyte_RGBA_INT16 */
1741 table[MESA_FORMAT_RGBA_INT32] = NULL; /* pack_ubyte_RGBA_INT32 */
1742 table[MESA_FORMAT_RGBA_UINT8] = NULL; /* pack_ubyte_RGBA_UINT8 */
1743 table[MESA_FORMAT_RGBA_UINT16] = NULL; /* pack_ubyte_RGBA_UINT16 */
1744 table[MESA_FORMAT_RGBA_UINT32] = NULL; /* pack_ubyte_RGBA_UINT32 */
1746 table[MESA_FORMAT_DUDV8] = pack_ubyte_DUDV8;
1748 table[MESA_FORMAT_RGBA_16] = pack_ubyte_RGBA_16;
1751 table[MESA_FORMAT_SIGNED_R8] = NULL;
1752 table[MESA_FORMAT_SIGNED_RG88_REV] = NULL;
1753 table[MESA_FORMAT_SIGNED_RGBX8888] = NULL;
1754 table[MESA_FORMAT_SIGNED_RGBA8888] = NULL;
1755 table[MESA_FORMAT_SIGNED_RGBA8888_REV] = NULL;
1756 table[MESA_FORMAT_SIGNED_R16] = NULL;
1757 table[MESA_FORMAT_SIGNED_GR1616] = NULL;
1758 table[MESA_FORMAT_SIGNED_RGB_16] = NULL;
1759 table[MESA_FORMAT_SIGNED_RGBA_16] = NULL;
1760 table[MESA_FORMAT_SIGNED_A8] = NULL;
1761 table[MESA_FORMAT_SIGNED_L8] = NULL;
1762 table[MESA_FORMAT_SIGNED_AL88] = NULL;
1763 table[MESA_FORMAT_SIGNED_I8] = NULL;
1764 table[MESA_FORMAT_SIGNED_A16] = NULL;
1765 table[MESA_FORMAT_SIGNED_L16] = NULL;
1766 table[MESA_FORMAT_SIGNED_AL1616] = NULL;
1767 table[MESA_FORMAT_SIGNED_I16] = NULL;
1770 table[MESA_FORMAT_RGBA_16] = pack_ubyte_RGBA_16;
1772 table[MESA_FORMAT_RGB9_E5_FLOAT] = pack_ubyte_RGB9_E5_FLOAT;
1773 table[MESA_FORMAT_R11_G11_B10_FLOAT] = pack_ubyte_R11_G11_B10_FLOAT;
1775 initialized = GL_TRUE;
1778 return table[format];
1784 * Return a function that can pack a GLfloat rgba[4] color.
1786 gl_pack_float_rgba_func
1787 _mesa_get_pack_float_rgba_function(gl_format format)
1789 static gl_pack_float_rgba_func table[MESA_FORMAT_COUNT];
1790 static GLboolean initialized = GL_FALSE;
1793 memset(table, 0, sizeof(table));
1795 table[MESA_FORMAT_NONE] = NULL;
1797 table[MESA_FORMAT_RGBA8888] = pack_float_RGBA8888;
1798 table[MESA_FORMAT_RGBA8888_REV] = pack_float_RGBA8888_REV;
1799 table[MESA_FORMAT_ARGB8888] = pack_float_ARGB8888;
1800 table[MESA_FORMAT_ARGB8888_REV] = pack_float_ARGB8888_REV;
1801 table[MESA_FORMAT_RGBX8888] = pack_float_RGBA8888; /* reused */
1802 table[MESA_FORMAT_RGBX8888_REV] = pack_float_RGBA8888_REV; /* reused */
1803 table[MESA_FORMAT_XRGB8888] = pack_float_XRGB8888;
1804 table[MESA_FORMAT_XRGB8888_REV] = pack_float_XRGB8888_REV;
1805 table[MESA_FORMAT_RGB888] = pack_float_RGB888;
1806 table[MESA_FORMAT_BGR888] = pack_float_BGR888;
1807 table[MESA_FORMAT_RGB565] = pack_float_RGB565;
1808 table[MESA_FORMAT_RGB565_REV] = pack_float_RGB565_REV;
1809 table[MESA_FORMAT_ARGB4444] = pack_float_ARGB4444;
1810 table[MESA_FORMAT_ARGB4444_REV] = pack_float_ARGB4444_REV;
1811 table[MESA_FORMAT_RGBA5551] = pack_float_RGBA5551;
1812 table[MESA_FORMAT_ARGB1555] = pack_float_ARGB1555;
1813 table[MESA_FORMAT_ARGB1555_REV] = pack_float_ARGB1555_REV;
1815 table[MESA_FORMAT_AL44] = pack_float_AL44;
1816 table[MESA_FORMAT_AL88] = pack_float_AL88;
1817 table[MESA_FORMAT_AL88_REV] = pack_float_AL88_REV;
1818 table[MESA_FORMAT_AL1616] = pack_float_AL1616;
1819 table[MESA_FORMAT_AL1616_REV] = pack_float_AL1616_REV;
1820 table[MESA_FORMAT_RGB332] = pack_float_RGB332;
1821 table[MESA_FORMAT_A8] = pack_float_A8;
1822 table[MESA_FORMAT_A16] = pack_float_A16;
1823 table[MESA_FORMAT_L8] = pack_float_L8;
1824 table[MESA_FORMAT_L16] = pack_float_L16;
1825 table[MESA_FORMAT_I8] = pack_float_L8; /* reuse pack_float_L8 */
1826 table[MESA_FORMAT_I16] = pack_float_L16; /* reuse pack_float_L16 */
1827 table[MESA_FORMAT_YCBCR] = pack_float_YCBCR;
1828 table[MESA_FORMAT_YCBCR_REV] = pack_float_YCBCR_REV;
1829 table[MESA_FORMAT_R8] = pack_float_R8;
1830 table[MESA_FORMAT_GR88] = pack_float_GR88;
1831 table[MESA_FORMAT_RG88] = pack_float_RG88;
1832 table[MESA_FORMAT_R16] = pack_float_R16;
1833 table[MESA_FORMAT_RG1616] = pack_float_RG1616;
1834 table[MESA_FORMAT_RG1616_REV] = pack_float_RG1616_REV;
1835 table[MESA_FORMAT_ARGB2101010] = pack_float_ARGB2101010;
1837 /* should never convert RGBA to these formats */
1838 table[MESA_FORMAT_Z24_S8] = NULL;
1839 table[MESA_FORMAT_S8_Z24] = NULL;
1840 table[MESA_FORMAT_Z16] = NULL;
1841 table[MESA_FORMAT_X8_Z24] = NULL;
1842 table[MESA_FORMAT_Z24_X8] = NULL;
1843 table[MESA_FORMAT_Z32] = NULL;
1844 table[MESA_FORMAT_S8] = NULL;
1846 table[MESA_FORMAT_SRGB8] = pack_float_SRGB8;
1847 table[MESA_FORMAT_SRGBA8] = pack_float_SRGBA8;
1848 table[MESA_FORMAT_SARGB8] = pack_float_SARGB8;
1849 table[MESA_FORMAT_SL8] = pack_float_SL8;
1850 table[MESA_FORMAT_SLA8] = pack_float_SLA8;
1853 table[MESA_FORMAT_SRGB_DXT1] = NULL;
1854 table[MESA_FORMAT_SRGBA_DXT1] = NULL;
1855 table[MESA_FORMAT_SRGBA_DXT3] = NULL;
1856 table[MESA_FORMAT_SRGBA_DXT5] = NULL;
1858 table[MESA_FORMAT_RGB_FXT1] = NULL;
1859 table[MESA_FORMAT_RGBA_FXT1] = NULL;
1860 table[MESA_FORMAT_RGB_DXT1] = NULL;
1861 table[MESA_FORMAT_RGBA_DXT1] = NULL;
1862 table[MESA_FORMAT_RGBA_DXT3] = NULL;
1863 table[MESA_FORMAT_RGBA_DXT5] = NULL;
1865 table[MESA_FORMAT_RGBA_FLOAT32] = pack_float_RGBA_FLOAT32;
1866 table[MESA_FORMAT_RGBA_FLOAT16] = pack_float_RGBA_FLOAT16;
1867 table[MESA_FORMAT_RGB_FLOAT32] = pack_float_RGB_FLOAT32;
1868 table[MESA_FORMAT_RGB_FLOAT16] = pack_float_RGB_FLOAT16;
1869 table[MESA_FORMAT_ALPHA_FLOAT32] = pack_float_ALPHA_FLOAT32;
1870 table[MESA_FORMAT_ALPHA_FLOAT16] = pack_float_ALPHA_FLOAT16;
1871 table[MESA_FORMAT_LUMINANCE_FLOAT32] = pack_float_LUMINANCE_FLOAT32;
1872 table[MESA_FORMAT_LUMINANCE_FLOAT16] = pack_float_LUMINANCE_FLOAT16;
1873 table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32] = pack_float_LUMINANCE_ALPHA_FLOAT32;
1874 table[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16] = pack_float_LUMINANCE_ALPHA_FLOAT16;
1876 table[MESA_FORMAT_INTENSITY_FLOAT32] = pack_float_LUMINANCE_FLOAT32;
1877 table[MESA_FORMAT_INTENSITY_FLOAT16] = pack_float_LUMINANCE_FLOAT16;
1878 table[MESA_FORMAT_R_FLOAT32] = pack_float_LUMINANCE_FLOAT32;
1879 table[MESA_FORMAT_R_FLOAT16] = pack_float_LUMINANCE_FLOAT16;
1880 table[MESA_FORMAT_RG_FLOAT32] = pack_float_RG_FLOAT32;
1881 table[MESA_FORMAT_RG_FLOAT16] = pack_float_RG_FLOAT16;
1884 table[MESA_FORMAT_RGBA_INT8] = NULL;
1885 table[MESA_FORMAT_RGBA_INT16] = NULL;
1886 table[MESA_FORMAT_RGBA_INT32] = NULL;
1887 table[MESA_FORMAT_RGBA_UINT8] = NULL;
1888 table[MESA_FORMAT_RGBA_UINT16] = NULL;
1889 table[MESA_FORMAT_RGBA_UINT32] = NULL;
1891 table[MESA_FORMAT_DUDV8] = pack_float_DUDV8;
1893 table[MESA_FORMAT_RGBA_16] = pack_float_RGBA_16;
1895 table[MESA_FORMAT_SIGNED_R8] = pack_float_SIGNED_R8;
1896 table[MESA_FORMAT_SIGNED_RG88_REV] = pack_float_SIGNED_RG88_REV;
1897 table[MESA_FORMAT_SIGNED_RGBX8888] = pack_float_SIGNED_RGBX8888;
1898 table[MESA_FORMAT_SIGNED_RGBA8888] = pack_float_SIGNED_RGBA8888;
1899 table[MESA_FORMAT_SIGNED_RGBA8888_REV] = pack_float_SIGNED_RGBA8888_REV;
1900 table[MESA_FORMAT_SIGNED_R16] = pack_float_SIGNED_R16;
1901 table[MESA_FORMAT_SIGNED_GR1616] = pack_float_SIGNED_GR1616;
1902 table[MESA_FORMAT_SIGNED_RGB_16] = pack_float_SIGNED_RGB_16;
1903 table[MESA_FORMAT_SIGNED_RGBA_16] = pack_float_SIGNED_RGBA_16;
1904 table[MESA_FORMAT_SIGNED_A8] = pack_float_SIGNED_A8;
1905 table[MESA_FORMAT_SIGNED_L8] = pack_float_SIGNED_L8;
1906 table[MESA_FORMAT_SIGNED_AL88] = pack_float_SIGNED_AL88;
1907 table[MESA_FORMAT_SIGNED_I8] = pack_float_SIGNED_L8; /* reused */
1908 table[MESA_FORMAT_SIGNED_A16] = pack_float_SIGNED_A16;
1909 table[MESA_FORMAT_SIGNED_L16] = pack_float_SIGNED_L16;
1910 table[MESA_FORMAT_SIGNED_AL1616] = pack_float_SIGNED_AL1616;
1911 table[MESA_FORMAT_SIGNED_I16] = pack_float_SIGNED_L16; /* reused */
1913 table[MESA_FORMAT_RGB9_E5_FLOAT] = pack_float_RGB9_E5_FLOAT;
1914 table[MESA_FORMAT_R11_G11_B10_FLOAT] = pack_float_R11_G11_B10_FLOAT;
1916 initialized = GL_TRUE;
1919 return table[format];
1924 static pack_float_rgba_row_func
1925 get_pack_float_rgba_row_function(gl_format format)
1927 static pack_float_rgba_row_func table[MESA_FORMAT_COUNT];
1928 static GLboolean initialized = GL_FALSE;
1931 /* We don't need a special row packing function for each format.
1932 * There's a generic fallback which uses a per-pixel packing function.
1934 memset(table, 0, sizeof(table));
1936 table[MESA_FORMAT_RGBA8888] = pack_row_float_RGBA8888;
1937 table[MESA_FORMAT_RGBA8888_REV] = pack_row_float_RGBA8888_REV;
1938 table[MESA_FORMAT_ARGB8888] = pack_row_float_ARGB8888;
1939 table[MESA_FORMAT_ARGB8888_REV] = pack_row_float_ARGB8888_REV;
1940 table[MESA_FORMAT_RGBX8888] = pack_row_float_RGBA8888; /* reused */
1941 table[MESA_FORMAT_RGBX8888_REV] = pack_row_float_RGBA8888_REV; /* reused */
1942 table[MESA_FORMAT_XRGB8888] = pack_row_float_XRGB8888;
1943 table[MESA_FORMAT_XRGB8888_REV] = pack_row_float_XRGB8888_REV;
1944 table[MESA_FORMAT_RGB888] = pack_row_float_RGB888;
1945 table[MESA_FORMAT_BGR888] = pack_row_float_BGR888;
1946 table[MESA_FORMAT_RGB565] = pack_row_float_RGB565;
1947 table[MESA_FORMAT_RGB565_REV] = pack_row_float_RGB565_REV;
1949 initialized = GL_TRUE;
1952 return table[format];
1957 static pack_ubyte_rgba_row_func
1958 get_pack_ubyte_rgba_row_function(gl_format format)
1960 static pack_ubyte_rgba_row_func table[MESA_FORMAT_COUNT];
1961 static GLboolean initialized = GL_FALSE;
1964 /* We don't need a special row packing function for each format.
1965 * There's a generic fallback which uses a per-pixel packing function.
1967 memset(table, 0, sizeof(table));
1969 table[MESA_FORMAT_RGBA8888] = pack_row_ubyte_RGBA8888;
1970 table[MESA_FORMAT_RGBA8888_REV] = pack_row_ubyte_RGBA8888_REV;
1971 table[MESA_FORMAT_ARGB8888] = pack_row_ubyte_ARGB8888;
1972 table[MESA_FORMAT_ARGB8888_REV] = pack_row_ubyte_ARGB8888_REV;
1973 table[MESA_FORMAT_RGBX8888] = pack_row_ubyte_RGBA8888; /* reused */
1974 table[MESA_FORMAT_RGBX8888_REV] = pack_row_ubyte_RGBA8888_REV; /* reused */
1975 table[MESA_FORMAT_XRGB8888] = pack_row_ubyte_XRGB8888;
1976 table[MESA_FORMAT_XRGB8888_REV] = pack_row_ubyte_XRGB8888_REV;
1977 table[MESA_FORMAT_RGB888] = pack_row_ubyte_RGB888;
1978 table[MESA_FORMAT_BGR888] = pack_row_ubyte_BGR888;
1979 table[MESA_FORMAT_RGB565] = pack_row_ubyte_RGB565;
1980 table[MESA_FORMAT_RGB565_REV] = pack_row_ubyte_RGB565_REV;
1982 initialized = GL_TRUE;
1985 return table[format];
1991 * Pack a row of GLfloat rgba[4] values to the destination.
1994 _mesa_pack_float_rgba_row(gl_format format, GLuint n,
1995 const GLfloat src[][4], void *dst)
1997 pack_float_rgba_row_func packrow = get_pack_float_rgba_row_function(format);
1999 /* use "fast" function */
2000 packrow(n, src, dst);
2003 /* slower fallback */
2004 gl_pack_float_rgba_func pack = _mesa_get_pack_float_rgba_function(format);
2005 GLuint dstStride = _mesa_get_format_bytes(format);
2006 GLubyte *dstPtr = (GLubyte *) dst;
2013 for (i = 0; i < n; i++) {
2014 pack(src[i], dstPtr);
2015 dstPtr += dstStride;
2022 * Pack a row of GLubyte rgba[4] values to the destination.
2025 _mesa_pack_ubyte_rgba_row(gl_format format, GLuint n,
2026 const GLubyte src[][4], void *dst)
2028 pack_ubyte_rgba_row_func packrow = get_pack_ubyte_rgba_row_function(format);
2030 /* use "fast" function */
2031 packrow(n, src, dst);
2034 /* slower fallback */
2035 gl_pack_ubyte_rgba_func pack = _mesa_get_pack_ubyte_rgba_function(format);
2036 const GLuint stride = _mesa_get_format_bytes(format);
2037 GLubyte *d = ((GLubyte *) dst);
2044 for (i = 0; i < n; i++) {
2053 ** Pack float Z pixels
2057 pack_float_z_Z24_S8(const GLfloat *src, void *dst)
2059 /* don't disturb the stencil values */
2060 GLuint *d = ((GLuint *) dst);
2061 const GLdouble scale = (GLdouble) 0xffffff;
2062 GLuint s = *d & 0xff;
2063 GLuint z = (GLuint) (*src * scale);
2064 assert(z <= 0xffffff);
2069 pack_float_z_S8_Z24(const GLfloat *src, void *dst)
2071 /* don't disturb the stencil values */
2072 GLuint *d = ((GLuint *) dst);
2073 const GLdouble scale = (GLdouble) 0xffffff;
2074 GLuint s = *d & 0xff000000;
2075 GLuint z = (GLuint) (*src * scale);
2076 assert(z <= 0xffffff);
2081 pack_float_z_Z16(const GLfloat *src, void *dst)
2083 GLushort *d = ((GLushort *) dst);
2084 const GLfloat scale = (GLfloat) 0xffff;
2085 *d = (GLushort) (*src * scale);
2089 pack_float_z_Z32(const GLfloat *src, void *dst)
2091 GLuint *d = ((GLuint *) dst);
2092 const GLdouble scale = (GLdouble) 0xffffffff;
2093 *d = (GLuint) (*src * scale);
2097 pack_float_z_Z32_FLOAT(const GLfloat *src, void *dst)
2099 GLfloat *d = (GLfloat *) dst;
2103 gl_pack_float_z_func
2104 _mesa_get_pack_float_z_func(gl_format format)
2107 case MESA_FORMAT_Z24_S8:
2108 case MESA_FORMAT_Z24_X8:
2109 return pack_float_z_Z24_S8;
2110 case MESA_FORMAT_S8_Z24:
2111 case MESA_FORMAT_X8_Z24:
2112 return pack_float_z_S8_Z24;
2113 case MESA_FORMAT_Z16:
2114 return pack_float_z_Z16;
2115 case MESA_FORMAT_Z32:
2116 return pack_float_z_Z32;
2117 case MESA_FORMAT_Z32_FLOAT:
2118 case MESA_FORMAT_Z32_FLOAT_X24S8:
2119 return pack_float_z_Z32_FLOAT;
2122 "unexpected format in _mesa_get_pack_float_z_func()");
2130 ** Pack uint Z pixels. The incoming src value is always in
2131 ** the range [0, 2^32-1].
2135 pack_uint_z_Z24_S8(const GLuint *src, void *dst)
2137 /* don't disturb the stencil values */
2138 GLuint *d = ((GLuint *) dst);
2139 GLuint s = *d & 0xff;
2140 GLuint z = *src & 0xffffff00;
2145 pack_uint_z_S8_Z24(const GLuint *src, void *dst)
2147 /* don't disturb the stencil values */
2148 GLuint *d = ((GLuint *) dst);
2149 GLuint s = *d & 0xff000000;
2150 GLuint z = *src >> 8;
2155 pack_uint_z_Z16(const GLuint *src, void *dst)
2157 GLushort *d = ((GLushort *) dst);
2162 pack_uint_z_Z32(const GLuint *src, void *dst)
2164 GLuint *d = ((GLuint *) dst);
2169 pack_uint_z_Z32_FLOAT(const GLuint *src, void *dst)
2171 GLuint *d = ((GLuint *) dst);
2172 const GLdouble scale = 1.0 / (GLdouble) 0xffffffff;
2179 pack_uint_z_Z32_FLOAT_X24S8(const GLuint *src, void *dst)
2181 GLfloat *d = ((GLfloat *) dst);
2182 const GLdouble scale = 1.0 / (GLdouble) 0xffffffff;
2189 _mesa_get_pack_uint_z_func(gl_format format)
2192 case MESA_FORMAT_Z24_S8:
2193 case MESA_FORMAT_Z24_X8:
2194 return pack_uint_z_Z24_S8;
2195 case MESA_FORMAT_S8_Z24:
2196 case MESA_FORMAT_X8_Z24:
2197 return pack_uint_z_S8_Z24;
2198 case MESA_FORMAT_Z16:
2199 return pack_uint_z_Z16;
2200 case MESA_FORMAT_Z32:
2201 return pack_uint_z_Z32;
2202 case MESA_FORMAT_Z32_FLOAT:
2203 return pack_uint_z_Z32_FLOAT;
2204 case MESA_FORMAT_Z32_FLOAT_X24S8:
2205 return pack_uint_z_Z32_FLOAT_X24S8;
2207 _mesa_problem(NULL, "unexpected format in _mesa_get_pack_uint_z_func()");
2214 ** Pack ubyte stencil pixels
2218 pack_ubyte_stencil_Z24_S8(const GLubyte *src, void *dst)
2220 /* don't disturb the Z values */
2221 GLuint *d = ((GLuint *) dst);
2223 GLuint z = *d & 0xffffff00;
2228 pack_ubyte_stencil_S8_Z24(const GLubyte *src, void *dst)
2230 /* don't disturb the Z values */
2231 GLuint *d = ((GLuint *) dst);
2232 GLuint s = *src << 24;
2233 GLuint z = *d & 0xffffff;
2238 pack_ubyte_stencil_S8(const GLubyte *src, void *dst)
2240 GLubyte *d = (GLubyte *) dst;
2245 pack_ubyte_stencil_Z32_FLOAT_X24S8(const GLubyte *src, void *dst)
2247 GLfloat *d = ((GLfloat *) dst);
2252 gl_pack_ubyte_stencil_func
2253 _mesa_get_pack_ubyte_stencil_func(gl_format format)
2256 case MESA_FORMAT_Z24_S8:
2257 return pack_ubyte_stencil_Z24_S8;
2258 case MESA_FORMAT_S8_Z24:
2259 return pack_ubyte_stencil_S8_Z24;
2260 case MESA_FORMAT_S8:
2261 return pack_ubyte_stencil_S8;
2262 case MESA_FORMAT_Z32_FLOAT_X24S8:
2263 return pack_ubyte_stencil_Z32_FLOAT_X24S8;
2266 "unexpected format in _mesa_pack_ubyte_stencil_func()");
2274 _mesa_pack_float_z_row(gl_format format, GLuint n,
2275 const GLfloat *src, void *dst)
2278 case MESA_FORMAT_Z24_S8:
2279 case MESA_FORMAT_Z24_X8:
2281 /* don't disturb the stencil values */
2282 GLuint *d = ((GLuint *) dst);
2283 const GLdouble scale = (GLdouble) 0xffffff;
2285 for (i = 0; i < n; i++) {
2286 GLuint s = d[i] & 0xff;
2287 GLuint z = (GLuint) (src[i] * scale);
2288 assert(z <= 0xffffff);
2289 d[i] = (z << 8) | s;
2293 case MESA_FORMAT_S8_Z24:
2294 case MESA_FORMAT_X8_Z24:
2296 /* don't disturb the stencil values */
2297 GLuint *d = ((GLuint *) dst);
2298 const GLdouble scale = (GLdouble) 0xffffff;
2300 for (i = 0; i < n; i++) {
2301 GLuint s = d[i] & 0xff000000;
2302 GLuint z = (GLuint) (src[i] * scale);
2303 assert(z <= 0xffffff);
2308 case MESA_FORMAT_Z16:
2310 GLushort *d = ((GLushort *) dst);
2311 const GLfloat scale = (GLfloat) 0xffff;
2313 for (i = 0; i < n; i++) {
2314 d[i] = (GLushort) (src[i] * scale);
2318 case MESA_FORMAT_Z32:
2320 GLuint *d = ((GLuint *) dst);
2321 const GLdouble scale = (GLdouble) 0xffffffff;
2323 for (i = 0; i < n; i++) {
2324 d[i] = (GLuint) (src[i] * scale);
2328 case MESA_FORMAT_Z32_FLOAT:
2329 memcpy(dst, src, n * sizeof(GLfloat));
2331 case MESA_FORMAT_Z32_FLOAT_X24S8:
2333 GLfloat *d = ((GLfloat *) dst);
2335 for (i = 0; i < n; i++) {
2341 _mesa_problem(NULL, "unexpected format in _mesa_pack_float_z_row()");
2347 * The incoming Z values are always in the range [0, 0xffffffff].
2350 _mesa_pack_uint_z_row(gl_format format, GLuint n,
2351 const GLuint *src, void *dst)
2354 case MESA_FORMAT_Z24_S8:
2355 case MESA_FORMAT_Z24_X8:
2357 /* don't disturb the stencil values */
2358 GLuint *d = ((GLuint *) dst);
2360 for (i = 0; i < n; i++) {
2361 GLuint s = d[i] & 0xff;
2362 GLuint z = src[i] & 0xffffff00;
2367 case MESA_FORMAT_S8_Z24:
2368 case MESA_FORMAT_X8_Z24:
2370 /* don't disturb the stencil values */
2371 GLuint *d = ((GLuint *) dst);
2373 for (i = 0; i < n; i++) {
2374 GLuint s = d[i] & 0xff000000;
2375 GLuint z = src[i] >> 8;
2380 case MESA_FORMAT_Z16:
2382 GLushort *d = ((GLushort *) dst);
2384 for (i = 0; i < n; i++) {
2385 d[i] = src[i] >> 16;
2389 case MESA_FORMAT_Z32:
2390 memcpy(dst, src, n * sizeof(GLfloat));
2392 case MESA_FORMAT_Z32_FLOAT:
2394 GLuint *d = ((GLuint *) dst);
2395 const GLdouble scale = 1.0 / (GLdouble) 0xffffffff;
2397 for (i = 0; i < n; i++) {
2398 d[i] = src[i] * scale;
2399 assert(d[i] >= 0.0f);
2400 assert(d[i] <= 1.0f);
2404 case MESA_FORMAT_Z32_FLOAT_X24S8:
2406 GLfloat *d = ((GLfloat *) dst);
2407 const GLdouble scale = 1.0 / (GLdouble) 0xffffffff;
2409 for (i = 0; i < n; i++) {
2410 d[i * 2] = src[i] * scale;
2411 assert(d[i * 2] >= 0.0f);
2412 assert(d[i * 2] <= 1.0f);
2417 _mesa_problem(NULL, "unexpected format in _mesa_pack_uint_z_row()");
2423 _mesa_pack_ubyte_stencil_row(gl_format format, GLuint n,
2424 const GLubyte *src, void *dst)
2427 case MESA_FORMAT_Z24_S8:
2429 /* don't disturb the Z values */
2430 GLuint *d = ((GLuint *) dst);
2432 for (i = 0; i < n; i++) {
2434 GLuint z = d[i] & 0xffffff00;
2439 case MESA_FORMAT_S8_Z24:
2441 /* don't disturb the Z values */
2442 GLuint *d = ((GLuint *) dst);
2444 for (i = 0; i < n; i++) {
2445 GLuint s = src[i] << 24;
2446 GLuint z = d[i] & 0xffffff;
2451 case MESA_FORMAT_S8:
2452 memcpy(dst, src, n * sizeof(GLubyte));
2454 case MESA_FORMAT_Z32_FLOAT_X24S8:
2458 for (i = 0; i < n; i++) {
2459 d[i * 2 + 1] = src[i];
2464 _mesa_problem(NULL, "unexpected format in _mesa_pack_ubyte_stencil_row()");
2470 * Incoming Z/stencil values are always in uint_24_8 format.
2473 _mesa_pack_uint_24_8_depth_stencil_row(gl_format format, GLuint n,
2474 const GLuint *src, void *dst)
2477 case MESA_FORMAT_Z24_S8:
2478 memcpy(dst, src, n * sizeof(GLuint));
2480 case MESA_FORMAT_S8_Z24:
2482 GLuint *d = ((GLuint *) dst);
2484 for (i = 0; i < n; i++) {
2485 GLuint s = src[i] << 24;
2486 GLuint z = src[i] >> 8;
2492 _mesa_problem(NULL, "bad format %s in _mesa_pack_ubyte_s_row",
2493 _mesa_get_format_name(format));
2501 * Convert a boolean color mask to a packed color where each channel of
2502 * the packed value at dst will be 0 or ~0 depending on the colorMask.
2505 _mesa_pack_colormask(gl_format format, const GLubyte colorMask[4], void *dst)
2507 GLfloat maskColor[4];
2509 switch (_mesa_get_format_datatype(format)) {
2510 case GL_UNSIGNED_NORMALIZED:
2511 /* simple: 1.0 will convert to ~0 in the right bit positions */
2512 maskColor[0] = colorMask[0] ? 1.0 : 0.0;
2513 maskColor[1] = colorMask[1] ? 1.0 : 0.0;
2514 maskColor[2] = colorMask[2] ? 1.0 : 0.0;
2515 maskColor[3] = colorMask[3] ? 1.0 : 0.0;
2516 _mesa_pack_float_rgba_row(format, 1,
2517 (const GLfloat (*)[4]) maskColor, dst);
2519 case GL_SIGNED_NORMALIZED:
2521 /* These formats are harder because it's hard to know the floating
2522 * point values that will convert to ~0 for each color channel's bits.
2523 * This solution just generates a non-zero value for each color channel
2524 * then fixes up the non-zero values to be ~0.
2525 * Note: we'll need to add special case code if we ever have to deal
2526 * with formats with unequal color channel sizes, like R11_G11_B10.
2527 * We issue a warning below for channel sizes other than 8,16,32.
2530 GLuint bits = _mesa_get_format_max_bits(format); /* bits per chan */
2531 GLuint bytes = _mesa_get_format_bytes(format);
2534 /* this should put non-zero values into the channels of dst */
2535 maskColor[0] = colorMask[0] ? -1.0f : 0.0f;
2536 maskColor[1] = colorMask[1] ? -1.0f : 0.0f;
2537 maskColor[2] = colorMask[2] ? -1.0f : 0.0f;
2538 maskColor[3] = colorMask[3] ? -1.0f : 0.0f;
2539 _mesa_pack_float_rgba_row(format, 1,
2540 (const GLfloat (*)[4]) maskColor, dst);
2542 /* fix-up the dst channels by converting non-zero values to ~0 */
2544 GLubyte *d = (GLubyte *) dst;
2545 for (i = 0; i < bytes; i++) {
2546 d[i] = d[i] ? 0xffff : 0x0;
2549 else if (bits == 16) {
2550 GLushort *d = (GLushort *) dst;
2551 for (i = 0; i < bytes / 2; i++) {
2552 d[i] = d[i] ? 0xffff : 0x0;
2555 else if (bits == 32) {
2556 GLuint *d = (GLuint *) dst;
2557 for (i = 0; i < bytes / 4; i++) {
2558 d[i] = d[i] ? 0xffffffffU : 0x0;
2562 _mesa_problem(NULL, "unexpected size in _mesa_pack_colormask()");
2568 _mesa_problem(NULL, "unexpected format data type in gen_color_mask()");