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;
686 pipe->transfer_unmap(pipe, pt);
691 pipe_put_tile_z(struct pipe_context *pipe,
692 struct pipe_transfer *pt,
693 uint x, uint y, uint w, uint h,
696 const uint srcStride = w;
697 const uint *ptrc = zSrc;
700 enum pipe_format format = pt->resource->format;
702 if (u_clip_tile(x, y, &w, &h, &pt->box))
705 map = (ubyte *)pipe->transfer_map(pipe, pt);
712 case PIPE_FORMAT_Z32_UNORM:
714 uint *pDest = (uint *) (map + y * pt->stride + x*4);
715 for (i = 0; i < h; i++) {
716 memcpy(pDest, ptrc, 4 * w);
717 pDest += pt->stride/4;
722 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
724 uint *pDest = (uint *) (map + y * pt->stride + x*4);
725 /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/
726 for (i = 0; i < h; i++) {
727 for (j = 0; j < w; j++) {
728 /* convert 32-bit Z to 24-bit Z, preserve stencil */
729 pDest[j] = (pDest[j] & 0xff000000) | ptrc[j] >> 8;
731 pDest += pt->stride/4;
736 case PIPE_FORMAT_Z24X8_UNORM:
738 uint *pDest = (uint *) (map + y * pt->stride + x*4);
739 for (i = 0; i < h; i++) {
740 for (j = 0; j < w; j++) {
741 /* convert 32-bit Z to 24-bit Z (0 stencil) */
742 pDest[j] = ptrc[j] >> 8;
744 pDest += pt->stride/4;
749 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
751 uint *pDest = (uint *) (map + y * pt->stride + x*4);
752 /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/
753 for (i = 0; i < h; i++) {
754 for (j = 0; j < w; j++) {
755 /* convert 32-bit Z to 24-bit Z, preserve stencil */
756 pDest[j] = (pDest[j] & 0xff) | (ptrc[j] & 0xffffff00);
758 pDest += pt->stride/4;
763 case PIPE_FORMAT_X8Z24_UNORM:
765 uint *pDest = (uint *) (map + y * pt->stride + x*4);
766 for (i = 0; i < h; i++) {
767 for (j = 0; j < w; j++) {
768 /* convert 32-bit Z to 24-bit Z (0 stencil) */
769 pDest[j] = ptrc[j] & 0xffffff00;
771 pDest += pt->stride/4;
776 case PIPE_FORMAT_Z16_UNORM:
778 ushort *pDest = (ushort *) (map + y * pt->stride + x*2);
779 for (i = 0; i < h; i++) {
780 for (j = 0; j < w; j++) {
781 /* convert 32-bit Z to 16-bit Z */
782 pDest[j] = ptrc[j] >> 16;
784 pDest += pt->stride/2;
793 pipe->transfer_unmap(pipe, pt);
798 pipe_get_tile_ui_format(struct pipe_context *pipe,
799 struct pipe_transfer *pt,
800 uint x, uint y, uint w, uint h,
801 enum pipe_format format,
804 unsigned dst_stride = w * 4;
807 if (u_clip_tile(x, y, &w, &h, &pt->box)) {
811 packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
816 if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) {
817 assert((x & 1) == 0);
820 pipe_get_tile_raw(pipe, pt, x, y, w, h, packed, 0);
822 pipe_tile_raw_to_unsigned(format, packed, w, h, p, dst_stride);
829 pipe_get_tile_i_format(struct pipe_context *pipe,
830 struct pipe_transfer *pt,
831 uint x, uint y, uint w, uint h,
832 enum pipe_format format,
835 unsigned dst_stride = w * 4;
838 if (u_clip_tile(x, y, &w, &h, &pt->box)) {
842 packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
847 if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) {
848 assert((x & 1) == 0);
851 pipe_get_tile_raw(pipe, pt, x, y, w, h, packed, 0);
853 pipe_tile_raw_to_signed(format, packed, w, h, p, dst_stride);