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 "util/u_inlines.h"
37 #include "util/u_format.h"
38 #include "util/u_math.h"
39 #include "util/u_memory.h"
40 #include "util/u_rect.h"
41 #include "util/u_tile.h"
45 * Move raw block of pixels from transfer object to user memory.
48 pipe_get_tile_raw(struct pipe_context
*pipe
,
49 struct pipe_transfer
*pt
,
50 uint x
, uint y
, uint w
, uint h
,
51 void *dst
, int dst_stride
)
56 dst_stride
= util_format_get_stride(pt
->resource
->format
, w
);
58 if (u_clip_tile(x
, y
, &w
, &h
, &pt
->box
))
61 src
= pipe
->transfer_map(pipe
, pt
);
66 util_copy_rect(dst
, pt
->resource
->format
, dst_stride
, 0, 0, w
, h
, src
, pt
->stride
, x
, y
);
68 pipe
->transfer_unmap(pipe
, pt
);
73 * Move raw block of pixels from user memory to transfer object.
76 pipe_put_tile_raw(struct pipe_context
*pipe
,
77 struct pipe_transfer
*pt
,
78 uint x
, uint y
, uint w
, uint h
,
79 const void *src
, int src_stride
)
82 enum pipe_format format
= pt
->resource
->format
;
85 src_stride
= util_format_get_stride(format
, w
);
87 if (u_clip_tile(x
, y
, &w
, &h
, &pt
->box
))
90 dst
= pipe
->transfer_map(pipe
, pt
);
95 util_copy_rect(dst
, format
, pt
->stride
, x
, y
, w
, h
, src
, src_stride
, 0, 0);
97 pipe
->transfer_unmap(pipe
, pt
);
103 /** Convert short in [-32768,32767] to GLfloat in [-1.0,1.0] */
104 #define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F))
106 #define UNCLAMPED_FLOAT_TO_SHORT(us, f) \
107 us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) )
111 /*** PIPE_FORMAT_Z16_UNORM ***/
114 * Return each Z value as four floats in [0,1].
117 z16_get_tile_rgba(const ushort
*src
,
118 unsigned w
, unsigned h
,
122 const float scale
= 1.0f
/ 65535.0f
;
125 for (i
= 0; i
< h
; i
++) {
127 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
131 pRow
[3] = *src
++ * scale
;
140 /*** PIPE_FORMAT_Z32_UNORM ***/
143 * Return each Z value as four floats in [0,1].
146 z32_get_tile_rgba(const unsigned *src
,
147 unsigned w
, unsigned h
,
151 const double scale
= 1.0 / (double) 0xffffffff;
154 for (i
= 0; i
< h
; i
++) {
156 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
160 pRow
[3] = (float) (*src
++ * scale
);
167 /*** PIPE_FORMAT_Z24_UNORM_S8_UINT ***/
170 * Return Z component as four float in [0,1]. Stencil part ignored.
173 s8z24_get_tile_rgba(const unsigned *src
,
174 unsigned w
, unsigned h
,
178 const double scale
= 1.0 / ((1 << 24) - 1);
181 for (i
= 0; i
< h
; i
++) {
183 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
187 pRow
[3] = (float) (scale
* (*src
++ & 0xffffff));
194 /*** PIPE_FORMAT_S8_UINT_Z24_UNORM ***/
197 * Return Z component as four float in [0,1]. Stencil part ignored.
200 z24s8_get_tile_rgba(const unsigned *src
,
201 unsigned w
, unsigned h
,
205 const double scale
= 1.0 / ((1 << 24) - 1);
208 for (i
= 0; i
< h
; i
++) {
210 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
214 pRow
[3] = (float) (scale
* (*src
++ >> 8));
220 /*** PIPE_FORMAT_S8X24_UINT ***/
223 * Return S component as four uint32_t in [0..255]. Z part ignored.
226 s8x24_get_tile_rgba(const unsigned *src
,
227 unsigned w
, unsigned h
,
233 for (i
= 0; i
< h
; i
++) {
236 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
240 pRow
[3] = (float)((*src
++ >> 24) & 0xff);
247 /*** PIPE_FORMAT_X24S8_UINT ***/
250 * Return S component as four uint32_t in [0..255]. Z part ignored.
253 x24s8_get_tile_rgba(const unsigned *src
,
254 unsigned w
, unsigned h
,
260 for (i
= 0; i
< h
; i
++) {
262 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
266 pRow
[3] = (float)(*src
++ & 0xff);
274 * Return S component as four uint32_t in [0..255]. Z part ignored.
277 s8_get_tile_rgba(const unsigned char *src
,
278 unsigned w
, unsigned h
,
284 for (i
= 0; i
< h
; i
++) {
286 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
290 pRow
[3] = (float)(*src
++ & 0xff);
296 /*** PIPE_FORMAT_Z32_FLOAT ***/
299 * Return each Z value as four floats in [0,1].
302 z32f_get_tile_rgba(const float *src
,
303 unsigned w
, unsigned h
,
309 for (i
= 0; i
< h
; i
++) {
311 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
321 /*** PIPE_FORMAT_Z32_FLOAT_S8X24_UINT ***/
324 * Return each Z value as four floats in [0,1].
327 z32f_x24s8_get_tile_rgba(const float *src
,
328 unsigned w
, unsigned h
,
334 for (i
= 0; i
< h
; i
++) {
336 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
347 /*** PIPE_FORMAT_X32_S8X24_UINT ***/
350 * Return S component as four uint32_t in [0..255]. Z part ignored.
353 x32_s8_get_tile_rgba(const unsigned *src
,
354 unsigned w
, unsigned h
,
360 for (i
= 0; i
< h
; i
++) {
362 for (j
= 0; j
< w
; j
++, pRow
+= 4) {
367 pRow
[3] = (float)(*src
++ & 0xff);
374 pipe_tile_raw_to_rgba(enum pipe_format format
,
377 float *dst
, unsigned dst_stride
)
380 case PIPE_FORMAT_Z16_UNORM
:
381 z16_get_tile_rgba((ushort
*) src
, w
, h
, dst
, dst_stride
);
383 case PIPE_FORMAT_Z32_UNORM
:
384 z32_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
386 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
387 case PIPE_FORMAT_Z24X8_UNORM
:
388 s8z24_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
390 case PIPE_FORMAT_S8_UINT
:
391 s8_get_tile_rgba((unsigned char *) src
, w
, h
, dst
, dst_stride
);
393 case PIPE_FORMAT_X24S8_UINT
:
394 s8x24_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
396 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
397 case PIPE_FORMAT_X8Z24_UNORM
:
398 z24s8_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
400 case PIPE_FORMAT_S8X24_UINT
:
401 x24s8_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
403 case PIPE_FORMAT_Z32_FLOAT
:
404 z32f_get_tile_rgba((float *) src
, w
, h
, dst
, dst_stride
);
406 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
:
407 z32f_x24s8_get_tile_rgba((float *) src
, w
, h
, dst
, dst_stride
);
409 case PIPE_FORMAT_X32_S8X24_UINT
:
410 x32_s8_get_tile_rgba((unsigned *) src
, w
, h
, dst
, dst_stride
);
413 util_format_read_4f(format
,
414 dst
, dst_stride
* sizeof(float),
415 src
, util_format_get_stride(format
, w
),
421 pipe_tile_raw_to_unsigned(enum pipe_format format
,
424 unsigned *dst
, unsigned dst_stride
)
426 util_format_read_4ui(format
,
427 dst
, dst_stride
* sizeof(float),
428 src
, util_format_get_stride(format
, w
),
433 pipe_tile_raw_to_signed(enum pipe_format format
,
436 int *dst
, unsigned dst_stride
)
438 util_format_read_4i(format
,
439 dst
, dst_stride
* sizeof(float),
440 src
, util_format_get_stride(format
, w
),
445 pipe_get_tile_rgba(struct pipe_context
*pipe
,
446 struct pipe_transfer
*pt
,
447 uint x
, uint y
, uint w
, uint h
,
450 pipe_get_tile_rgba_format(pipe
, pt
, x
, y
, w
, h
, pt
->resource
->format
, p
);
455 pipe_get_tile_rgba_format(struct pipe_context
*pipe
,
456 struct pipe_transfer
*pt
,
457 uint x
, uint y
, uint w
, uint h
,
458 enum pipe_format format
,
461 unsigned dst_stride
= w
* 4;
464 if (u_clip_tile(x
, y
, &w
, &h
, &pt
->box
)) {
468 packed
= MALLOC(util_format_get_nblocks(format
, w
, h
) * util_format_get_blocksize(format
));
473 if (format
== PIPE_FORMAT_UYVY
|| format
== PIPE_FORMAT_YUYV
) {
474 assert((x
& 1) == 0);
477 pipe_get_tile_raw(pipe
, pt
, x
, y
, w
, h
, packed
, 0);
479 pipe_tile_raw_to_rgba(format
, packed
, w
, h
, p
, dst_stride
);
486 pipe_put_tile_rgba(struct pipe_context
*pipe
,
487 struct pipe_transfer
*pt
,
488 uint x
, uint y
, uint w
, uint h
,
491 pipe_put_tile_rgba_format(pipe
, pt
, x
, y
, w
, h
, pt
->resource
->format
, p
);
496 pipe_put_tile_rgba_format(struct pipe_context
*pipe
,
497 struct pipe_transfer
*pt
,
498 uint x
, uint y
, uint w
, uint h
,
499 enum pipe_format format
,
502 unsigned src_stride
= w
* 4;
505 if (u_clip_tile(x
, y
, &w
, &h
, &pt
->box
))
508 packed
= MALLOC(util_format_get_nblocks(format
, w
, h
) * util_format_get_blocksize(format
));
514 case PIPE_FORMAT_Z16_UNORM
:
515 /*z16_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/
517 case PIPE_FORMAT_Z32_UNORM
:
518 /*z32_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
520 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
521 case PIPE_FORMAT_Z24X8_UNORM
:
522 /*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
524 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
525 case PIPE_FORMAT_X8Z24_UNORM
:
526 /*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
528 case PIPE_FORMAT_Z32_FLOAT
:
529 /*z32f_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
531 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
:
532 /*z32f_s8x24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
535 util_format_write_4f(format
,
536 p
, src_stride
* sizeof(float),
537 packed
, util_format_get_stride(format
, w
),
541 pipe_put_tile_raw(pipe
, pt
, x
, y
, w
, h
, packed
, 0);
547 pipe_put_tile_i_format(struct pipe_context
*pipe
,
548 struct pipe_transfer
*pt
,
549 uint x
, uint y
, uint w
, uint h
,
550 enum pipe_format format
,
553 unsigned src_stride
= w
* 4;
556 if (u_clip_tile(x
, y
, &w
, &h
, &pt
->box
))
559 packed
= MALLOC(util_format_get_nblocks(format
, w
, h
) * util_format_get_blocksize(format
));
564 util_format_write_4i(format
,
565 p
, src_stride
* sizeof(float),
566 packed
, util_format_get_stride(format
, w
),
569 pipe_put_tile_raw(pipe
, pt
, x
, y
, w
, h
, packed
, 0);
575 pipe_put_tile_ui_format(struct pipe_context
*pipe
,
576 struct pipe_transfer
*pt
,
577 uint x
, uint y
, uint w
, uint h
,
578 enum pipe_format format
,
579 const unsigned int *p
)
581 unsigned src_stride
= w
* 4;
584 if (u_clip_tile(x
, y
, &w
, &h
, &pt
->box
))
587 packed
= MALLOC(util_format_get_nblocks(format
, w
, h
) * util_format_get_blocksize(format
));
592 util_format_write_4ui(format
,
593 p
, src_stride
* sizeof(float),
594 packed
, util_format_get_stride(format
, w
),
597 pipe_put_tile_raw(pipe
, pt
, x
, y
, w
, h
, packed
, 0);
603 * Get a block of Z values, converted to 32-bit range.
606 pipe_get_tile_z(struct pipe_context
*pipe
,
607 struct pipe_transfer
*pt
,
608 uint x
, uint y
, uint w
, uint h
,
611 const uint dstStride
= w
;
615 enum pipe_format format
= pt
->resource
->format
;
617 if (u_clip_tile(x
, y
, &w
, &h
, &pt
->box
))
620 map
= (ubyte
*)pipe
->transfer_map(pipe
, pt
);
627 case PIPE_FORMAT_Z32_UNORM
:
630 = (const uint
*)(map
+ y
* pt
->stride
+ x
*4);
631 for (i
= 0; i
< h
; i
++) {
632 memcpy(pDest
, ptrc
, 4 * w
);
634 ptrc
+= pt
->stride
/4;
638 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
639 case PIPE_FORMAT_Z24X8_UNORM
:
642 = (const uint
*)(map
+ y
* pt
->stride
+ x
*4);
643 for (i
= 0; i
< h
; i
++) {
644 for (j
= 0; j
< w
; j
++) {
645 /* convert 24-bit Z to 32-bit Z */
646 pDest
[j
] = (ptrc
[j
] << 8) | ((ptrc
[j
] >> 16) & 0xff);
649 ptrc
+= pt
->stride
/4;
653 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
654 case PIPE_FORMAT_X8Z24_UNORM
:
657 = (const uint
*)(map
+ y
* pt
->stride
+ x
*4);
658 for (i
= 0; i
< h
; i
++) {
659 for (j
= 0; j
< w
; j
++) {
660 /* convert 24-bit Z to 32-bit Z */
661 pDest
[j
] = (ptrc
[j
] & 0xffffff00) | ((ptrc
[j
] >> 24) & 0xff);
664 ptrc
+= pt
->stride
/4;
668 case PIPE_FORMAT_Z16_UNORM
:
671 = (const ushort
*)(map
+ y
* pt
->stride
+ x
*2);
672 for (i
= 0; i
< h
; i
++) {
673 for (j
= 0; j
< w
; j
++) {
674 /* convert 16-bit Z to 32-bit Z */
675 pDest
[j
] = (ptrc
[j
] << 16) | ptrc
[j
];
678 ptrc
+= pt
->stride
/2;
682 case PIPE_FORMAT_Z32_FLOAT
:
684 const float *ptrc
= (const float *)(map
+ y
* pt
->stride
+ x
*4);
685 for (i
= 0; i
< h
; i
++) {
686 for (j
= 0; j
< w
; j
++) {
687 /* convert float Z to 32-bit Z */
688 if (ptrc
[j
] <= 0.0) {
691 else if (ptrc
[j
] >= 1.0) {
692 pDest
[j
] = 0xffffffff;
695 double z
= ptrc
[j
] * 0xffffffff;
700 ptrc
+= pt
->stride
/4;
708 pipe
->transfer_unmap(pipe
, pt
);
713 pipe_put_tile_z(struct pipe_context
*pipe
,
714 struct pipe_transfer
*pt
,
715 uint x
, uint y
, uint w
, uint h
,
718 const uint srcStride
= w
;
719 const uint
*ptrc
= zSrc
;
722 enum pipe_format format
= pt
->resource
->format
;
724 if (u_clip_tile(x
, y
, &w
, &h
, &pt
->box
))
727 map
= (ubyte
*)pipe
->transfer_map(pipe
, pt
);
734 case PIPE_FORMAT_Z32_UNORM
:
736 uint
*pDest
= (uint
*) (map
+ y
* pt
->stride
+ x
*4);
737 for (i
= 0; i
< h
; i
++) {
738 memcpy(pDest
, ptrc
, 4 * w
);
739 pDest
+= pt
->stride
/4;
744 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
746 uint
*pDest
= (uint
*) (map
+ y
* pt
->stride
+ x
*4);
747 /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/
748 for (i
= 0; i
< h
; i
++) {
749 for (j
= 0; j
< w
; j
++) {
750 /* convert 32-bit Z to 24-bit Z, preserve stencil */
751 pDest
[j
] = (pDest
[j
] & 0xff000000) | ptrc
[j
] >> 8;
753 pDest
+= pt
->stride
/4;
758 case PIPE_FORMAT_Z24X8_UNORM
:
760 uint
*pDest
= (uint
*) (map
+ y
* pt
->stride
+ x
*4);
761 for (i
= 0; i
< h
; i
++) {
762 for (j
= 0; j
< w
; j
++) {
763 /* convert 32-bit Z to 24-bit Z (0 stencil) */
764 pDest
[j
] = ptrc
[j
] >> 8;
766 pDest
+= pt
->stride
/4;
771 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
773 uint
*pDest
= (uint
*) (map
+ y
* pt
->stride
+ x
*4);
774 /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/
775 for (i
= 0; i
< h
; i
++) {
776 for (j
= 0; j
< w
; j
++) {
777 /* convert 32-bit Z to 24-bit Z, preserve stencil */
778 pDest
[j
] = (pDest
[j
] & 0xff) | (ptrc
[j
] & 0xffffff00);
780 pDest
+= pt
->stride
/4;
785 case PIPE_FORMAT_X8Z24_UNORM
:
787 uint
*pDest
= (uint
*) (map
+ y
* pt
->stride
+ x
*4);
788 for (i
= 0; i
< h
; i
++) {
789 for (j
= 0; j
< w
; j
++) {
790 /* convert 32-bit Z to 24-bit Z (0 stencil) */
791 pDest
[j
] = ptrc
[j
] & 0xffffff00;
793 pDest
+= pt
->stride
/4;
798 case PIPE_FORMAT_Z16_UNORM
:
800 ushort
*pDest
= (ushort
*) (map
+ y
* pt
->stride
+ x
*2);
801 for (i
= 0; i
< h
; i
++) {
802 for (j
= 0; j
< w
; j
++) {
803 /* convert 32-bit Z to 16-bit Z */
804 pDest
[j
] = ptrc
[j
] >> 16;
806 pDest
+= pt
->stride
/2;
811 case PIPE_FORMAT_Z32_FLOAT
:
813 float *pDest
= (float *) (map
+ y
* pt
->stride
+ x
*2);
814 for (i
= 0; i
< h
; i
++) {
815 for (j
= 0; j
< w
; j
++) {
816 /* convert 32-bit integer Z to float Z */
817 const double scale
= 1.0 / 0xffffffffU
;
818 pDest
[j
] = ptrc
[j
] * scale
;
820 pDest
+= pt
->stride
/4;
829 pipe
->transfer_unmap(pipe
, pt
);
834 pipe_get_tile_ui_format(struct pipe_context
*pipe
,
835 struct pipe_transfer
*pt
,
836 uint x
, uint y
, uint w
, uint h
,
837 enum pipe_format format
,
840 unsigned dst_stride
= w
* 4;
843 if (u_clip_tile(x
, y
, &w
, &h
, &pt
->box
)) {
847 packed
= MALLOC(util_format_get_nblocks(format
, w
, h
) * util_format_get_blocksize(format
));
852 if (format
== PIPE_FORMAT_UYVY
|| format
== PIPE_FORMAT_YUYV
) {
853 assert((x
& 1) == 0);
856 pipe_get_tile_raw(pipe
, pt
, x
, y
, w
, h
, packed
, 0);
858 pipe_tile_raw_to_unsigned(format
, packed
, w
, h
, p
, dst_stride
);
865 pipe_get_tile_i_format(struct pipe_context
*pipe
,
866 struct pipe_transfer
*pt
,
867 uint x
, uint y
, uint w
, uint h
,
868 enum pipe_format format
,
871 unsigned dst_stride
= w
* 4;
874 if (u_clip_tile(x
, y
, &w
, &h
, &pt
->box
)) {
878 packed
= MALLOC(util_format_get_nblocks(format
, w
, h
) * util_format_get_blocksize(format
));
883 if (format
== PIPE_FORMAT_UYVY
|| format
== PIPE_FORMAT_YUYV
) {
884 assert((x
& 1) == 0);
887 pipe_get_tile_raw(pipe
, pt
, x
, y
, w
, h
, packed
, 0);
889 pipe_tile_raw_to_signed(format
, packed
, w
, h
, p
, dst_stride
);