1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 * RGBA/float tile get/put functions.
30 * Usable both by drivers and state trackers.
34 #include "pipe/p_defines.h"
35 #include "pipe/p_inlines.h"
37 #include "util/u_math.h"
38 #include "util/u_memory.h"
39 #include "util/u_rect.h"
40 #include "util/u_tile.h"
44 * Move raw block of pixels from transfer object to user memory.
47 pipe_get_tile_raw(struct pipe_transfer
*pt
,
48 uint x
, uint y
, uint w
, uint h
,
49 void *dst
, int dst_stride
)
51 struct pipe_screen
*screen
= pt
->texture
->screen
;
55 dst_stride
= pf_get_nblocksx(&pt
->block
, w
) * pt
->block
.size
;
57 if (pipe_clip_tile(x
, y
, &w
, &h
, pt
))
60 src
= screen
->transfer_map(screen
, pt
);
65 util_copy_rect(dst
, &pt
->block
, dst_stride
, 0, 0, w
, h
, src
, pt
->stride
, x
, y
);
67 screen
->transfer_unmap(screen
, pt
);
72 * Move raw block of pixels from user memory to transfer object.
75 pipe_put_tile_raw(struct pipe_transfer
*pt
,
76 uint x
, uint y
, uint w
, uint h
,
77 const void *src
, int src_stride
)
79 struct pipe_screen
*screen
= pt
->texture
->screen
;
83 src_stride
= pf_get_nblocksx(&pt
->block
, w
) * pt
->block
.size
;
85 if (pipe_clip_tile(x
, y
, &w
, &h
, pt
))
88 dst
= screen
->transfer_map(screen
, pt
);
93 util_copy_rect(dst
, &pt
->block
, pt
->stride
, x
, y
, w
, h
, src
, src_stride
, 0, 0);
95 screen
->transfer_unmap(screen
, pt
);
101 /** Convert short in [-32768,32767] to GLfloat in [-1.0,1.0] */
102 #define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F))
104 #define UNCLAMPED_FLOAT_TO_SHORT(us, f) \
105 us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) )
109 /*** PIPE_FORMAT_A8R8G8B8_UNORM ***/
112 a8r8g8b8_get_tile_rgba(const unsigned *src
,
113 unsigned w
, unsigned h
,
119 for (i
= 0; i
< h
; i
++) {
121 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
122 const unsigned pixel
= *src
++;
123 pRow
[0] = ubyte_to_float((pixel
>> 16) & 0xff);
124 pRow
[1] = ubyte_to_float((pixel
>> 8) & 0xff);
125 pRow
[2] = ubyte_to_float((pixel
>> 0) & 0xff);
126 pRow
[3] = ubyte_to_float((pixel
>> 24) & 0xff);
134 a8r8g8b8_put_tile_rgba(unsigned *dst
,
135 unsigned w
, unsigned h
,
141 for (i
= 0; i
< h
; i
++) {
142 const float *pRow
= p
;
143 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
145 r
= float_to_ubyte(pRow
[0]);
146 g
= float_to_ubyte(pRow
[1]);
147 b
= float_to_ubyte(pRow
[2]);
148 a
= float_to_ubyte(pRow
[3]);
149 *dst
++ = (a
<< 24) | (r
<< 16) | (g
<< 8) | b
;
156 /*** PIPE_FORMAT_X8R8G8B8_UNORM ***/
159 x8r8g8b8_get_tile_rgba(const unsigned *src
,
160 unsigned w
, unsigned h
,
166 for (i
= 0; i
< h
; i
++) {
168 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
169 const unsigned pixel
= *src
++;
170 pRow
[0] = ubyte_to_float((pixel
>> 16) & 0xff);
171 pRow
[1] = ubyte_to_float((pixel
>> 8) & 0xff);
172 pRow
[2] = ubyte_to_float((pixel
>> 0) & 0xff);
181 x8r8g8b8_put_tile_rgba(unsigned *dst
,
182 unsigned w
, unsigned h
,
188 for (i
= 0; i
< h
; i
++) {
189 const float *pRow
= p
;
190 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
192 r
= float_to_ubyte(pRow
[0]);
193 g
= float_to_ubyte(pRow
[1]);
194 b
= float_to_ubyte(pRow
[2]);
195 *dst
++ = (0xff << 24) | (r
<< 16) | (g
<< 8) | b
;
202 /*** PIPE_FORMAT_B8G8R8A8_UNORM ***/
205 b8g8r8a8_get_tile_rgba(const unsigned *src
,
206 unsigned w
, unsigned h
,
212 for (i
= 0; i
< h
; i
++) {
214 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
215 const unsigned pixel
= *src
++;
216 pRow
[0] = ubyte_to_float((pixel
>> 8) & 0xff);
217 pRow
[1] = ubyte_to_float((pixel
>> 16) & 0xff);
218 pRow
[2] = ubyte_to_float((pixel
>> 24) & 0xff);
219 pRow
[3] = ubyte_to_float((pixel
>> 0) & 0xff);
227 b8g8r8a8_put_tile_rgba(unsigned *dst
,
228 unsigned w
, unsigned h
,
234 for (i
= 0; i
< h
; i
++) {
235 const float *pRow
= p
;
236 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
238 r
= float_to_ubyte(pRow
[0]);
239 g
= float_to_ubyte(pRow
[1]);
240 b
= float_to_ubyte(pRow
[2]);
241 a
= float_to_ubyte(pRow
[3]);
242 *dst
++ = (b
<< 24) | (g
<< 16) | (r
<< 8) | a
;
249 /*** PIPE_FORMAT_A1R5G5B5_UNORM ***/
252 a1r5g5b5_get_tile_rgba(const ushort
*src
,
253 unsigned w
, unsigned h
,
259 for (i
= 0; i
< h
; i
++) {
261 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
262 const ushort pixel
= *src
++;
263 pRow
[0] = ((pixel
>> 10) & 0x1f) * (1.0f
/ 31.0f
);
264 pRow
[1] = ((pixel
>> 5) & 0x1f) * (1.0f
/ 31.0f
);
265 pRow
[2] = ((pixel
) & 0x1f) * (1.0f
/ 31.0f
);
266 pRow
[3] = ((pixel
>> 15) ) * 1.0f
;
274 a1r5g5b5_put_tile_rgba(ushort
*dst
,
275 unsigned w
, unsigned h
,
281 for (i
= 0; i
< h
; i
++) {
282 const float *pRow
= p
;
283 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
285 r
= float_to_ubyte(pRow
[0]);
286 g
= float_to_ubyte(pRow
[1]);
287 b
= float_to_ubyte(pRow
[2]);
288 a
= float_to_ubyte(pRow
[3]);
289 r
= r
>> 3; /* 5 bits */
290 g
= g
>> 3; /* 5 bits */
291 b
= b
>> 3; /* 5 bits */
292 a
= a
>> 7; /* 1 bit */
293 *dst
++ = (a
<< 15) | (r
<< 10) | (g
<< 5) | b
;
300 /*** PIPE_FORMAT_A4R4G4B4_UNORM ***/
303 a4r4g4b4_get_tile_rgba(const ushort
*src
,
304 unsigned w
, unsigned h
,
310 for (i
= 0; i
< h
; i
++) {
312 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
313 const ushort pixel
= *src
++;
314 pRow
[0] = ((pixel
>> 8) & 0xf) * (1.0f
/ 15.0f
);
315 pRow
[1] = ((pixel
>> 4) & 0xf) * (1.0f
/ 15.0f
);
316 pRow
[2] = ((pixel
) & 0xf) * (1.0f
/ 15.0f
);
317 pRow
[3] = ((pixel
>> 12) ) * (1.0f
/ 15.0f
);
325 a4r4g4b4_put_tile_rgba(ushort
*dst
,
326 unsigned w
, unsigned h
,
332 for (i
= 0; i
< h
; i
++) {
333 const float *pRow
= p
;
334 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
336 r
= float_to_ubyte(pRow
[0]);
337 g
= float_to_ubyte(pRow
[1]);
338 b
= float_to_ubyte(pRow
[2]);
339 a
= float_to_ubyte(pRow
[3]);
344 *dst
++ = (a
<< 12) | (r
<< 16) | (g
<< 4) | b
;
351 /*** PIPE_FORMAT_R5G6B5_UNORM ***/
354 r5g6b5_get_tile_rgba(const ushort
*src
,
355 unsigned w
, unsigned h
,
361 for (i
= 0; i
< h
; i
++) {
363 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
364 const ushort pixel
= *src
++;
365 pRow
[0] = ((pixel
>> 11) & 0x1f) * (1.0f
/ 31.0f
);
366 pRow
[1] = ((pixel
>> 5) & 0x3f) * (1.0f
/ 63.0f
);
367 pRow
[2] = ((pixel
) & 0x1f) * (1.0f
/ 31.0f
);
376 r5g6b5_put_tile_rgba(ushort
*dst
,
377 unsigned w
, unsigned h
,
383 for (i
= 0; i
< h
; i
++) {
384 const float *pRow
= p
;
385 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
386 uint r
= (uint
) (CLAMP(pRow
[0], 0.0, 1.0) * 31.0);
387 uint g
= (uint
) (CLAMP(pRow
[1], 0.0, 1.0) * 63.0);
388 uint b
= (uint
) (CLAMP(pRow
[2], 0.0, 1.0) * 31.0);
389 *dst
++ = (r
<< 11) | (g
<< 5) | (b
);
397 /*** PIPE_FORMAT_R8G8B8_UNORM ***/
400 r8g8b8_get_tile_rgba(const ubyte
*src
,
401 unsigned w
, unsigned h
,
407 for (i
= 0; i
< h
; i
++) {
409 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
410 pRow
[0] = ubyte_to_float(src
[0]);
411 pRow
[1] = ubyte_to_float(src
[1]);
412 pRow
[2] = ubyte_to_float(src
[2]);
422 r8g8b8_put_tile_rgba(ubyte
*dst
,
423 unsigned w
, unsigned h
,
429 for (i
= 0; i
< h
; i
++) {
430 const float *pRow
= p
;
431 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
432 dst
[0] = float_to_ubyte(pRow
[0]);
433 dst
[1] = float_to_ubyte(pRow
[1]);
434 dst
[2] = float_to_ubyte(pRow
[2]);
443 /*** PIPE_FORMAT_Z16_UNORM ***/
446 * Return each Z value as four floats in [0,1].
449 z16_get_tile_rgba(const ushort
*src
,
450 unsigned w
, unsigned h
,
454 const float scale
= 1.0f
/ 65535.0f
;
457 for (i
= 0; i
< h
; i
++) {
459 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
463 pRow
[3] = *src
++ * scale
;
472 /*** PIPE_FORMAT_L8_UNORM ***/
475 l8_get_tile_rgba(const ubyte
*src
,
476 unsigned w
, unsigned h
,
482 for (i
= 0; i
< h
; i
++) {
484 for (j
= 0; j
< w
; j
++, src
++, pRow
+= 4) {
487 pRow
[2] = ubyte_to_float(*src
);
496 l8_put_tile_rgba(ubyte
*dst
,
497 unsigned w
, unsigned h
,
503 for (i
= 0; i
< h
; i
++) {
504 const float *pRow
= p
;
505 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
507 r
= float_to_ubyte(pRow
[0]);
516 /*** PIPE_FORMAT_A8_UNORM ***/
519 a8_get_tile_rgba(const ubyte
*src
,
520 unsigned w
, unsigned h
,
526 for (i
= 0; i
< h
; i
++) {
528 for (j
= 0; j
< w
; j
++, src
++, pRow
+= 4) {
532 pRow
[3] = ubyte_to_float(*src
);
540 a8_put_tile_rgba(ubyte
*dst
,
541 unsigned w
, unsigned h
,
547 for (i
= 0; i
< h
; i
++) {
548 const float *pRow
= p
;
549 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
551 a
= float_to_ubyte(pRow
[3]);
560 /*** PIPE_FORMAT_R16_SNORM ***/
563 r16_get_tile_rgba(const short *src
,
564 unsigned w
, unsigned h
,
570 for (i
= 0; i
< h
; i
++) {
572 for (j
= 0; j
< w
; j
++, src
++, pRow
+= 4) {
573 pRow
[0] = SHORT_TO_FLOAT(src
[0]);
584 r16_put_tile_rgba(short *dst
,
585 unsigned w
, unsigned h
,
591 for (i
= 0; i
< h
; i
++) {
592 const float *pRow
= p
;
593 for (j
= 0; j
< w
; j
++, dst
++, pRow
+= 4) {
594 UNCLAMPED_FLOAT_TO_SHORT(dst
[0], pRow
[0]);
601 /*** PIPE_FORMAT_R16G16B16A16_SNORM ***/
604 r16g16b16a16_get_tile_rgba(const short *src
,
605 unsigned w
, unsigned h
,
611 for (i
= 0; i
< h
; i
++) {
613 for (j
= 0; j
< w
; j
++, src
+= 4, pRow
+= 4) {
614 pRow
[0] = SHORT_TO_FLOAT(src
[0]);
615 pRow
[1] = SHORT_TO_FLOAT(src
[1]);
616 pRow
[2] = SHORT_TO_FLOAT(src
[2]);
617 pRow
[3] = SHORT_TO_FLOAT(src
[3]);
625 r16g16b16a16_put_tile_rgba(short *dst
,
626 unsigned w
, unsigned h
,
632 for (i
= 0; i
< h
; i
++) {
633 const float *pRow
= p
;
634 for (j
= 0; j
< w
; j
++, dst
+= 4, pRow
+= 4) {
635 UNCLAMPED_FLOAT_TO_SHORT(dst
[0], pRow
[0]);
636 UNCLAMPED_FLOAT_TO_SHORT(dst
[1], pRow
[1]);
637 UNCLAMPED_FLOAT_TO_SHORT(dst
[2], pRow
[2]);
638 UNCLAMPED_FLOAT_TO_SHORT(dst
[3], pRow
[3]);
645 /*** PIPE_FORMAT_R8G8B8A8_SRGB ***/
648 * Convert an 8-bit sRGB value from non-linear space to a
649 * linear RGB value in [0, 1].
650 * Implemented with a 256-entry lookup table.
653 srgb_to_linear(ubyte cs8
)
655 static float table
[256];
656 static boolean tableReady
= FALSE
;
658 /* compute lookup table now */
660 for (i
= 0; i
< 256; i
++) {
661 const float cs
= ubyte_to_float(i
);
663 table
[i
] = cs
/ 12.92f
;
666 table
[i
] = (float) powf((cs
+ 0.055) / 1.055, 2.4);
676 * Convert linear float in [0,1] to an srgb ubyte value in [0,255].
677 * XXX this hasn't been tested (render to srgb surface).
678 * XXX this needs optimization.
681 linear_to_srgb(float cl
)
685 else if (cl
>= 0.0031308F
)
686 return float_to_ubyte(1.055F
* powf(cl
, 0.41666F
) - 0.055F
);
688 return float_to_ubyte(12.92F
* cl
);
695 a8r8g8b8_srgb_get_tile_rgba(const unsigned *src
,
696 unsigned w
, unsigned h
,
702 for (i
= 0; i
< h
; i
++) {
704 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
705 const unsigned pixel
= *src
++;
706 pRow
[0] = srgb_to_linear((pixel
>> 16) & 0xff);
707 pRow
[1] = srgb_to_linear((pixel
>> 8) & 0xff);
708 pRow
[2] = srgb_to_linear((pixel
>> 0) & 0xff);
709 pRow
[3] = ubyte_to_float((pixel
>> 24) & 0xff);
716 a8r8g8b8_srgb_put_tile_rgba(unsigned *dst
,
717 unsigned w
, unsigned h
,
723 for (i
= 0; i
< h
; i
++) {
724 const float *pRow
= p
;
725 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
727 r
= linear_to_srgb(pRow
[0]);
728 g
= linear_to_srgb(pRow
[1]);
729 b
= linear_to_srgb(pRow
[2]);
730 a
= float_to_ubyte(pRow
[3]);
731 *dst
++ = (a
<< 24) | (r
<< 16) | (g
<< 8) | b
;
738 /*** PIPE_FORMAT_A8L8_SRGB ***/
741 a8l8_srgb_get_tile_rgba(const ushort
*src
,
742 unsigned w
, unsigned h
,
748 for (i
= 0; i
< h
; i
++) {
750 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
754 pRow
[2] = srgb_to_linear(p
& 0xff);
755 pRow
[3] = ubyte_to_float(p
>> 8);
762 a8l8_srgb_put_tile_rgba(ushort
*dst
,
763 unsigned w
, unsigned h
,
769 for (i
= 0; i
< h
; i
++) {
770 const float *pRow
= p
;
771 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
773 r
= linear_to_srgb(pRow
[0]);
774 a
= float_to_ubyte(pRow
[3]);
775 *dst
++ = (a
<< 8) | r
;
782 /*** PIPE_FORMAT_L8_SRGB ***/
785 l8_srgb_get_tile_rgba(const ubyte
*src
,
786 unsigned w
, unsigned h
,
792 for (i
= 0; i
< h
; i
++) {
794 for (j
= 0; j
< w
; j
++, src
++, pRow
+= 4) {
797 pRow
[2] = srgb_to_linear(*src
);
805 l8_srgb_put_tile_rgba(ubyte
*dst
,
806 unsigned w
, unsigned h
,
812 for (i
= 0; i
< h
; i
++) {
813 const float *pRow
= p
;
814 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
816 r
= linear_to_srgb(pRow
[0]);
824 /*** PIPE_FORMAT_I8_UNORM ***/
827 i8_get_tile_rgba(const ubyte
*src
,
828 unsigned w
, unsigned h
,
834 for (i
= 0; i
< h
; i
++) {
836 for (j
= 0; j
< w
; j
++, src
++, pRow
+= 4) {
840 pRow
[3] = ubyte_to_float(*src
);
848 i8_put_tile_rgba(ubyte
*dst
,
849 unsigned w
, unsigned h
,
855 for (i
= 0; i
< h
; i
++) {
856 const float *pRow
= p
;
857 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
859 r
= float_to_ubyte(pRow
[0]);
867 /*** PIPE_FORMAT_A8L8_UNORM ***/
870 a8l8_get_tile_rgba(const ushort
*src
,
871 unsigned w
, unsigned h
,
877 for (i
= 0; i
< h
; i
++) {
879 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
883 pRow
[2] = ubyte_to_float(p
& 0xff);
884 pRow
[3] = ubyte_to_float(p
>> 8);
892 a8l8_put_tile_rgba(ushort
*dst
,
893 unsigned w
, unsigned h
,
899 for (i
= 0; i
< h
; i
++) {
900 const float *pRow
= p
;
901 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
903 r
= float_to_ubyte(pRow
[0]);
904 a
= float_to_ubyte(pRow
[3]);
905 *dst
++ = (a
<< 8) | r
;
914 /*** PIPE_FORMAT_Z32_UNORM ***/
917 * Return each Z value as four floats in [0,1].
920 z32_get_tile_rgba(const unsigned *src
,
921 unsigned w
, unsigned h
,
925 const double scale
= 1.0 / (double) 0xffffffff;
928 for (i
= 0; i
< h
; i
++) {
930 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
934 pRow
[3] = (float) (*src
++ * scale
);
941 /*** PIPE_FORMAT_S8Z24_UNORM ***/
944 * Return Z component as four float in [0,1]. Stencil part ignored.
947 s8z24_get_tile_rgba(const unsigned *src
,
948 unsigned w
, unsigned h
,
952 const double scale
= 1.0 / ((1 << 24) - 1);
955 for (i
= 0; i
< h
; i
++) {
957 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
961 pRow
[3] = (float) (scale
* (*src
++ & 0xffffff));
968 /*** PIPE_FORMAT_Z24S8_UNORM ***/
971 * Return Z component as four float in [0,1]. Stencil part ignored.
974 z24s8_get_tile_rgba(const unsigned *src
,
975 unsigned w
, unsigned h
,
979 const double scale
= 1.0 / ((1 << 24) - 1);
982 for (i
= 0; i
< h
; i
++) {
984 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
988 pRow
[3] = (float) (scale
* (*src
++ >> 8));
995 /*** PIPE_FORMAT_Z32_FLOAT ***/
998 * Return each Z value as four floats in [0,1].
1001 z32f_get_tile_rgba(const float *src
,
1002 unsigned w
, unsigned h
,
1004 unsigned dst_stride
)
1008 for (i
= 0; i
< h
; i
++) {
1010 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
1021 /*** PIPE_FORMAT_YCBCR / PIPE_FORMAT_YCBCR_REV ***/
1024 * Convert YCbCr (or YCrCb) to RGBA.
1027 ycbcr_get_tile_rgba(const ushort
*src
,
1028 unsigned w
, unsigned h
,
1030 unsigned dst_stride
,
1033 const float scale
= 1.0f
/ 255.0f
;
1036 for (i
= 0; i
< h
; i
++) {
1038 /* do two texels at a time */
1039 for (j
= 0; j
< (w
& ~1); j
+= 2, src
+= 2) {
1040 const ushort t0
= src
[0];
1041 const ushort t1
= src
[1];
1042 const ubyte y0
= (t0
>> 8) & 0xff; /* luminance */
1043 const ubyte y1
= (t1
>> 8) & 0xff; /* luminance */
1048 cb
= t1
& 0xff; /* chroma U */
1049 cr
= t0
& 0xff; /* chroma V */
1052 cb
= t0
& 0xff; /* chroma U */
1053 cr
= t1
& 0xff; /* chroma V */
1056 /* even pixel: y0,cr,cb */
1057 r
= 1.164f
* (y0
-16) + 1.596f
* (cr
-128);
1058 g
= 1.164f
* (y0
-16) - 0.813f
* (cr
-128) - 0.391f
* (cb
-128);
1059 b
= 1.164f
* (y0
-16) + 2.018f
* (cb
-128);
1060 pRow
[0] = r
* scale
;
1061 pRow
[1] = g
* scale
;
1062 pRow
[2] = b
* scale
;
1066 /* odd pixel: use y1,cr,cb */
1067 r
= 1.164f
* (y1
-16) + 1.596f
* (cr
-128);
1068 g
= 1.164f
* (y1
-16) - 0.813f
* (cr
-128) - 0.391f
* (cb
-128);
1069 b
= 1.164f
* (y1
-16) + 2.018f
* (cb
-128);
1070 pRow
[0] = r
* scale
;
1071 pRow
[1] = g
* scale
;
1072 pRow
[2] = b
* scale
;
1077 /* do the last texel */
1079 const ushort t0
= src
[0];
1080 const ushort t1
= src
[1];
1081 const ubyte y0
= (t0
>> 8) & 0xff; /* luminance */
1086 cb
= t1
& 0xff; /* chroma U */
1087 cr
= t0
& 0xff; /* chroma V */
1090 cb
= t0
& 0xff; /* chroma U */
1091 cr
= t1
& 0xff; /* chroma V */
1094 /* even pixel: y0,cr,cb */
1095 r
= 1.164f
* (y0
-16) + 1.596f
* (cr
-128);
1096 g
= 1.164f
* (y0
-16) - 0.813f
* (cr
-128) - 0.391f
* (cb
-128);
1097 b
= 1.164f
* (y0
-16) + 2.018f
* (cb
-128);
1098 pRow
[0] = r
* scale
;
1099 pRow
[1] = g
* scale
;
1100 pRow
[2] = b
* scale
;
1110 fake_get_tile_rgba(const ushort
*src
,
1111 unsigned w
, unsigned h
,
1113 unsigned dst_stride
)
1117 for (i
= 0; i
< h
; i
++) {
1119 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
1123 pRow
[3] = (i
^ j
) & 1 ? 1.0f
: 0.0f
;
1131 pipe_tile_raw_to_rgba(enum pipe_format format
,
1134 float *dst
, unsigned dst_stride
)
1137 case PIPE_FORMAT_A8R8G8B8_UNORM
:
1138 a8r8g8b8_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
1140 case PIPE_FORMAT_X8R8G8B8_UNORM
:
1141 x8r8g8b8_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
1143 case PIPE_FORMAT_B8G8R8A8_UNORM
:
1144 b8g8r8a8_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
1146 case PIPE_FORMAT_A1R5G5B5_UNORM
:
1147 a1r5g5b5_get_tile_rgba((ushort
*) src
, w
, h
, dst
, dst_stride
);
1149 case PIPE_FORMAT_A4R4G4B4_UNORM
:
1150 a4r4g4b4_get_tile_rgba((ushort
*) src
, w
, h
, dst
, dst_stride
);
1152 case PIPE_FORMAT_R5G6B5_UNORM
:
1153 r5g6b5_get_tile_rgba((ushort
*) src
, w
, h
, dst
, dst_stride
);
1155 case PIPE_FORMAT_R8G8B8_UNORM
:
1156 r8g8b8_get_tile_rgba((ubyte
*) src
, w
, h
, dst
, dst_stride
);
1158 case PIPE_FORMAT_L8_UNORM
:
1159 l8_get_tile_rgba((ubyte
*) src
, w
, h
, dst
, dst_stride
);
1161 case PIPE_FORMAT_A8_UNORM
:
1162 a8_get_tile_rgba((ubyte
*) src
, w
, h
, dst
, dst_stride
);
1164 case PIPE_FORMAT_I8_UNORM
:
1165 i8_get_tile_rgba((ubyte
*) src
, w
, h
, dst
, dst_stride
);
1167 case PIPE_FORMAT_A8L8_UNORM
:
1168 a8l8_get_tile_rgba((ushort
*) src
, w
, h
, dst
, dst_stride
);
1170 case PIPE_FORMAT_R16_SNORM
:
1171 r16_get_tile_rgba((short *) src
, w
, h
, dst
, dst_stride
);
1173 case PIPE_FORMAT_R16G16B16A16_SNORM
:
1174 r16g16b16a16_get_tile_rgba((short *) src
, w
, h
, dst
, dst_stride
);
1176 case PIPE_FORMAT_A8R8G8B8_SRGB
:
1177 a8r8g8b8_srgb_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
1179 case PIPE_FORMAT_A8L8_SRGB
:
1180 a8l8_srgb_get_tile_rgba((ushort
*) src
, w
, h
, dst
, dst_stride
);
1182 case PIPE_FORMAT_L8_SRGB
:
1183 l8_srgb_get_tile_rgba((ubyte
*) src
, w
, h
, dst
, dst_stride
);
1185 case PIPE_FORMAT_Z16_UNORM
:
1186 z16_get_tile_rgba((ushort
*) src
, w
, h
, dst
, dst_stride
);
1188 case PIPE_FORMAT_Z32_UNORM
:
1189 z32_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
1191 case PIPE_FORMAT_S8Z24_UNORM
:
1192 case PIPE_FORMAT_X8Z24_UNORM
:
1193 s8z24_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
1195 case PIPE_FORMAT_Z24S8_UNORM
:
1196 case PIPE_FORMAT_Z24X8_UNORM
:
1197 z24s8_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
1199 case PIPE_FORMAT_Z32_FLOAT
:
1200 z32f_get_tile_rgba((float *) src
, w
, h
, dst
, dst_stride
);
1202 case PIPE_FORMAT_YCBCR
:
1203 ycbcr_get_tile_rgba((ushort
*) src
, w
, h
, dst
, dst_stride
, FALSE
);
1205 case PIPE_FORMAT_YCBCR_REV
:
1206 ycbcr_get_tile_rgba((ushort
*) src
, w
, h
, dst
, dst_stride
, TRUE
);
1209 debug_printf("%s: unsupported format %s\n", __FUNCTION__
, pf_name(format
));
1210 fake_get_tile_rgba(src
, w
, h
, dst
, dst_stride
);
1216 pipe_get_tile_rgba(struct pipe_transfer
*pt
,
1217 uint x
, uint y
, uint w
, uint h
,
1220 unsigned dst_stride
= w
* 4;
1223 if (pipe_clip_tile(x
, y
, &w
, &h
, pt
))
1226 packed
= MALLOC(pf_get_nblocks(&pt
->block
, w
, h
) * pt
->block
.size
);
1231 if(pt
->format
== PIPE_FORMAT_YCBCR
|| pt
->format
== PIPE_FORMAT_YCBCR_REV
)
1232 assert((x
& 1) == 0);
1234 pipe_get_tile_raw(pt
, x
, y
, w
, h
, packed
, 0);
1236 pipe_tile_raw_to_rgba(pt
->format
, packed
, w
, h
, p
, dst_stride
);
1243 pipe_put_tile_rgba(struct pipe_transfer
*pt
,
1244 uint x
, uint y
, uint w
, uint h
,
1247 unsigned src_stride
= w
* 4;
1250 if (pipe_clip_tile(x
, y
, &w
, &h
, pt
))
1253 packed
= MALLOC(pf_get_nblocks(&pt
->block
, w
, h
) * pt
->block
.size
);
1258 switch (pt
->format
) {
1259 case PIPE_FORMAT_A8R8G8B8_UNORM
:
1260 a8r8g8b8_put_tile_rgba((unsigned *) packed
, w
, h
, p
, src_stride
);
1262 case PIPE_FORMAT_X8R8G8B8_UNORM
:
1263 x8r8g8b8_put_tile_rgba((unsigned *) packed
, w
, h
, p
, src_stride
);
1265 case PIPE_FORMAT_B8G8R8A8_UNORM
:
1266 b8g8r8a8_put_tile_rgba((unsigned *) packed
, w
, h
, p
, src_stride
);
1268 case PIPE_FORMAT_A1R5G5B5_UNORM
:
1269 a1r5g5b5_put_tile_rgba((ushort
*) packed
, w
, h
, p
, src_stride
);
1271 case PIPE_FORMAT_R5G6B5_UNORM
:
1272 r5g6b5_put_tile_rgba((ushort
*) packed
, w
, h
, p
, src_stride
);
1274 case PIPE_FORMAT_R8G8B8_UNORM
:
1275 r8g8b8_put_tile_rgba((ubyte
*) packed
, w
, h
, p
, src_stride
);
1277 case PIPE_FORMAT_R8G8B8A8_UNORM
:
1280 case PIPE_FORMAT_A4R4G4B4_UNORM
:
1281 a4r4g4b4_put_tile_rgba((ushort
*) packed
, w
, h
, p
, src_stride
);
1283 case PIPE_FORMAT_L8_UNORM
:
1284 l8_put_tile_rgba((ubyte
*) packed
, w
, h
, p
, src_stride
);
1286 case PIPE_FORMAT_A8_UNORM
:
1287 a8_put_tile_rgba((ubyte
*) packed
, w
, h
, p
, src_stride
);
1289 case PIPE_FORMAT_I8_UNORM
:
1290 i8_put_tile_rgba((ubyte
*) packed
, w
, h
, p
, src_stride
);
1292 case PIPE_FORMAT_A8L8_UNORM
:
1293 a8l8_put_tile_rgba((ushort
*) packed
, w
, h
, p
, src_stride
);
1295 case PIPE_FORMAT_R16_SNORM
:
1296 r16_put_tile_rgba((short *) packed
, w
, h
, p
, src_stride
);
1298 case PIPE_FORMAT_R16G16B16A16_SNORM
:
1299 r16g16b16a16_put_tile_rgba((short *) packed
, w
, h
, p
, src_stride
);
1301 case PIPE_FORMAT_A8R8G8B8_SRGB
:
1302 a8r8g8b8_srgb_put_tile_rgba((unsigned *) packed
, w
, h
, p
, src_stride
);
1304 case PIPE_FORMAT_A8L8_SRGB
:
1305 a8l8_srgb_put_tile_rgba((ushort
*) packed
, w
, h
, p
, src_stride
);
1307 case PIPE_FORMAT_L8_SRGB
:
1308 l8_srgb_put_tile_rgba((ubyte
*) packed
, w
, h
, p
, src_stride
);
1310 case PIPE_FORMAT_Z16_UNORM
:
1311 /*z16_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/
1313 case PIPE_FORMAT_Z32_UNORM
:
1314 /*z32_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
1316 case PIPE_FORMAT_S8Z24_UNORM
:
1317 case PIPE_FORMAT_X8Z24_UNORM
:
1318 /*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
1320 case PIPE_FORMAT_Z24S8_UNORM
:
1321 case PIPE_FORMAT_Z24X8_UNORM
:
1322 /*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
1325 debug_printf("%s: unsupported format %s\n", __FUNCTION__
, pf_name(pt
->format
));
1328 pipe_put_tile_raw(pt
, x
, y
, w
, h
, packed
, 0);
1335 * Get a block of Z values, converted to 32-bit range.
1338 pipe_get_tile_z(struct pipe_transfer
*pt
,
1339 uint x
, uint y
, uint w
, uint h
,
1342 struct pipe_screen
*screen
= pt
->texture
->screen
;
1343 const uint dstStride
= w
;
1348 if (pipe_clip_tile(x
, y
, &w
, &h
, pt
))
1351 map
= (ubyte
*)screen
->transfer_map(screen
, pt
);
1357 switch (pt
->format
) {
1358 case PIPE_FORMAT_Z32_UNORM
:
1361 = (const uint
*)(map
+ y
* pt
->stride
+ x
*4);
1362 for (i
= 0; i
< h
; i
++) {
1363 memcpy(pDest
, ptrc
, 4 * w
);
1365 ptrc
+= pt
->stride
/4;
1369 case PIPE_FORMAT_S8Z24_UNORM
:
1370 case PIPE_FORMAT_X8Z24_UNORM
:
1373 = (const uint
*)(map
+ y
* pt
->stride
+ x
*4);
1374 for (i
= 0; i
< h
; i
++) {
1375 for (j
= 0; j
< w
; j
++) {
1376 /* convert 24-bit Z to 32-bit Z */
1377 pDest
[j
] = (ptrc
[j
] << 8) | ((ptrc
[j
] >> 16) & 0xff);
1380 ptrc
+= pt
->stride
/4;
1384 case PIPE_FORMAT_Z24S8_UNORM
:
1385 case PIPE_FORMAT_Z24X8_UNORM
:
1388 = (const uint
*)(map
+ y
* pt
->stride
+ x
*4);
1389 for (i
= 0; i
< h
; i
++) {
1390 for (j
= 0; j
< w
; j
++) {
1391 /* convert 24-bit Z to 32-bit Z */
1392 pDest
[j
] = (ptrc
[j
] & 0xffffff00) | ((ptrc
[j
] >> 24) & 0xff);
1395 ptrc
+= pt
->stride
/4;
1399 case PIPE_FORMAT_Z16_UNORM
:
1402 = (const ushort
*)(map
+ y
* pt
->stride
+ x
*2);
1403 for (i
= 0; i
< h
; i
++) {
1404 for (j
= 0; j
< w
; j
++) {
1405 /* convert 16-bit Z to 32-bit Z */
1406 pDest
[j
] = (ptrc
[j
] << 16) | ptrc
[j
];
1409 ptrc
+= pt
->stride
/2;
1417 screen
->transfer_unmap(screen
, pt
);
1422 pipe_put_tile_z(struct pipe_transfer
*pt
,
1423 uint x
, uint y
, uint w
, uint h
,
1426 struct pipe_screen
*screen
= pt
->texture
->screen
;
1427 const uint srcStride
= w
;
1428 const uint
*ptrc
= zSrc
;
1432 if (pipe_clip_tile(x
, y
, &w
, &h
, pt
))
1435 map
= (ubyte
*)screen
->transfer_map(screen
, pt
);
1441 switch (pt
->format
) {
1442 case PIPE_FORMAT_Z32_UNORM
:
1444 uint
*pDest
= (uint
*) (map
+ y
* pt
->stride
+ x
*4);
1445 for (i
= 0; i
< h
; i
++) {
1446 memcpy(pDest
, ptrc
, 4 * w
);
1447 pDest
+= pt
->stride
/4;
1452 case PIPE_FORMAT_S8Z24_UNORM
:
1454 uint
*pDest
= (uint
*) (map
+ y
* pt
->stride
+ x
*4);
1455 assert(pt
->usage
== PIPE_TRANSFER_READ_WRITE
);
1456 for (i
= 0; i
< h
; i
++) {
1457 for (j
= 0; j
< w
; j
++) {
1458 /* convert 32-bit Z to 24-bit Z, preserve stencil */
1459 pDest
[j
] = (pDest
[j
] & 0xff000000) | ptrc
[j
] >> 8;
1461 pDest
+= pt
->stride
/4;
1466 case PIPE_FORMAT_X8Z24_UNORM
:
1468 uint
*pDest
= (uint
*) (map
+ y
* pt
->stride
+ x
*4);
1469 for (i
= 0; i
< h
; i
++) {
1470 for (j
= 0; j
< w
; j
++) {
1471 /* convert 32-bit Z to 24-bit Z (0 stencil) */
1472 pDest
[j
] = ptrc
[j
] >> 8;
1474 pDest
+= pt
->stride
/4;
1479 case PIPE_FORMAT_Z24S8_UNORM
:
1481 uint
*pDest
= (uint
*) (map
+ y
* pt
->stride
+ x
*4);
1482 assert(pt
->usage
== PIPE_TRANSFER_READ_WRITE
);
1483 for (i
= 0; i
< h
; i
++) {
1484 for (j
= 0; j
< w
; j
++) {
1485 /* convert 32-bit Z to 24-bit Z, preserve stencil */
1486 pDest
[j
] = (pDest
[j
] & 0xff) | (ptrc
[j
] & 0xffffff00);
1488 pDest
+= pt
->stride
/4;
1493 case PIPE_FORMAT_Z24X8_UNORM
:
1495 uint
*pDest
= (uint
*) (map
+ y
* pt
->stride
+ x
*4);
1496 for (i
= 0; i
< h
; i
++) {
1497 for (j
= 0; j
< w
; j
++) {
1498 /* convert 32-bit Z to 24-bit Z (0 stencil) */
1499 pDest
[j
] = ptrc
[j
] & 0xffffff00;
1501 pDest
+= pt
->stride
/4;
1506 case PIPE_FORMAT_Z16_UNORM
:
1508 ushort
*pDest
= (ushort
*) (map
+ y
* pt
->stride
+ x
*2);
1509 for (i
= 0; i
< h
; i
++) {
1510 for (j
= 0; j
< w
; j
++) {
1511 /* convert 32-bit Z to 16-bit Z */
1512 pDest
[j
] = ptrc
[j
] >> 16;
1514 pDest
+= pt
->stride
/2;
1523 screen
->transfer_unmap(screen
, pt
);