diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_tile.c')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_tile.c | 1345 |
1 files changed, 690 insertions, 655 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_tile.c b/mesalib/src/gallium/auxiliary/util/u_tile.c index 54f634948..23f12e5f4 100644 --- a/mesalib/src/gallium/auxiliary/util/u_tile.c +++ b/mesalib/src/gallium/auxiliary/util/u_tile.c @@ -1,655 +1,690 @@ -/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-/**
- * RGBA/float tile get/put functions.
- * Usable both by drivers and state trackers.
- */
-
-
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-
-#include "util/u_format.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
-#include "util/u_rect.h"
-#include "util/u_tile.h"
-
-
-/**
- * Move raw block of pixels from transfer object to user memory.
- */
-void
-pipe_get_tile_raw(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- void *dst, int dst_stride)
-{
- const void *src;
-
- if (dst_stride == 0)
- dst_stride = util_format_get_stride(pt->resource->format, w);
-
- if (u_clip_tile(x, y, &w, &h, &pt->box))
- return;
-
- src = pipe->transfer_map(pipe, pt);
- assert(src);
- if(!src)
- return;
-
- util_copy_rect(dst, pt->resource->format, dst_stride, 0, 0, w, h, src, pt->stride, x, y);
-
- pipe->transfer_unmap(pipe, pt);
-}
-
-
-/**
- * Move raw block of pixels from user memory to transfer object.
- */
-void
-pipe_put_tile_raw(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- const void *src, int src_stride)
-{
- void *dst;
- enum pipe_format format = pt->resource->format;
-
- if (src_stride == 0)
- src_stride = util_format_get_stride(format, w);
-
- if (u_clip_tile(x, y, &w, &h, &pt->box))
- return;
-
- dst = pipe->transfer_map(pipe, pt);
- assert(dst);
- if(!dst)
- return;
-
- util_copy_rect(dst, format, pt->stride, x, y, w, h, src, src_stride, 0, 0);
-
- pipe->transfer_unmap(pipe, pt);
-}
-
-
-
-
-/** Convert short in [-32768,32767] to GLfloat in [-1.0,1.0] */
-#define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F))
-
-#define UNCLAMPED_FLOAT_TO_SHORT(us, f) \
- us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) )
-
-
-
-/*** PIPE_FORMAT_Z16_UNORM ***/
-
-/**
- * Return each Z value as four floats in [0,1].
- */
-static void
-z16_get_tile_rgba(const ushort *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- const float scale = 1.0f / 65535.0f;
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = *src++ * scale;
- }
- p += dst_stride;
- }
-}
-
-
-
-
-/*** PIPE_FORMAT_Z32_UNORM ***/
-
-/**
- * Return each Z value as four floats in [0,1].
- */
-static void
-z32_get_tile_rgba(const unsigned *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- const double scale = 1.0 / (double) 0xffffffff;
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float) (*src++ * scale);
- }
- p += dst_stride;
- }
-}
-
-
-/*** PIPE_FORMAT_Z24_UNORM_S8_USCALED ***/
-
-/**
- * Return Z component as four float in [0,1]. Stencil part ignored.
- */
-static void
-s8z24_get_tile_rgba(const unsigned *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- const double scale = 1.0 / ((1 << 24) - 1);
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float) (scale * (*src++ & 0xffffff));
- }
- p += dst_stride;
- }
-}
-
-
-/*** PIPE_FORMAT_S8_USCALED_Z24_UNORM ***/
-
-/**
- * Return Z component as four float in [0,1]. Stencil part ignored.
- */
-static void
-z24s8_get_tile_rgba(const unsigned *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- const double scale = 1.0 / ((1 << 24) - 1);
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float) (scale * (*src++ >> 8));
- }
- p += dst_stride;
- }
-}
-
-/*** PIPE_FORMAT_S8X24_USCALED ***/
-
-/**
- * Return S component as four uint32_t in [0..255]. Z part ignored.
- */
-static void
-s8x24_get_tile_rgba(const unsigned *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
-
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float)((*src++ >> 24) & 0xff);
- }
-
- p += dst_stride;
- }
-}
-
-/*** PIPE_FORMAT_X24S8_USCALED ***/
-
-/**
- * Return S component as four uint32_t in [0..255]. Z part ignored.
- */
-static void
-x24s8_get_tile_rgba(const unsigned *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float)(*src++ & 0xff);
- }
- p += dst_stride;
- }
-}
-
-
-/**
- * Return S component as four uint32_t in [0..255]. Z part ignored.
- */
-static void
-s8_get_tile_rgba(const unsigned char *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = (float)(*src++ & 0xff);
- }
- p += dst_stride;
- }
-}
-
-/*** PIPE_FORMAT_Z32_FLOAT ***/
-
-/**
- * Return each Z value as four floats in [0,1].
- */
-static void
-z32f_get_tile_rgba(const float *src,
- unsigned w, unsigned h,
- float *p,
- unsigned dst_stride)
-{
- unsigned i, j;
-
- for (i = 0; i < h; i++) {
- float *pRow = p;
- for (j = 0; j < w; j++, pRow += 4) {
- pRow[0] =
- pRow[1] =
- pRow[2] =
- pRow[3] = *src++;
- }
- p += dst_stride;
- }
-}
-
-
-void
-pipe_tile_raw_to_rgba(enum pipe_format format,
- void *src,
- uint w, uint h,
- float *dst, unsigned dst_stride)
-{
- switch (format) {
- case PIPE_FORMAT_Z16_UNORM:
- z16_get_tile_rgba((ushort *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_Z32_UNORM:
- z32_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- case PIPE_FORMAT_Z24X8_UNORM:
- s8z24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_S8_USCALED:
- s8_get_tile_rgba((unsigned char *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_X24S8_USCALED:
- s8x24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_S8X24_USCALED:
- x24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
- break;
- case PIPE_FORMAT_Z32_FLOAT:
- z32f_get_tile_rgba((float *) src, w, h, dst, dst_stride);
- break;
- default:
- util_format_read_4f(format,
- dst, dst_stride * sizeof(float),
- src, util_format_get_stride(format, w),
- 0, 0, w, h);
- }
-}
-
-
-void
-pipe_get_tile_rgba(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- float *p)
-{
- pipe_get_tile_rgba_format(pipe, pt, x, y, w, h, pt->resource->format, p);
-}
-
-
-void
-pipe_get_tile_rgba_format(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- enum pipe_format format,
- float *p)
-{
- unsigned dst_stride = w * 4;
- void *packed;
-
- if (u_clip_tile(x, y, &w, &h, &pt->box)) {
- return;
- }
-
- packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
- if (!packed) {
- return;
- }
-
- if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) {
- assert((x & 1) == 0);
- }
-
- pipe_get_tile_raw(pipe, pt, x, y, w, h, packed, 0);
-
- pipe_tile_raw_to_rgba(format, packed, w, h, p, dst_stride);
-
- FREE(packed);
-}
-
-
-void
-pipe_put_tile_rgba(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- const float *p)
-{
- pipe_put_tile_rgba_format(pipe, pt, x, y, w, h, pt->resource->format, p);
-}
-
-
-void
-pipe_put_tile_rgba_format(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- enum pipe_format format,
- const float *p)
-{
- unsigned src_stride = w * 4;
- void *packed;
-
- if (u_clip_tile(x, y, &w, &h, &pt->box))
- return;
-
- packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
-
- if (!packed)
- return;
-
- switch (format) {
- case PIPE_FORMAT_Z16_UNORM:
- /*z16_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/
- break;
- case PIPE_FORMAT_Z32_UNORM:
- /*z32_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
- break;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- case PIPE_FORMAT_Z24X8_UNORM:
- /*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- /*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
- break;
- default:
- util_format_write_4f(format,
- p, src_stride * sizeof(float),
- packed, util_format_get_stride(format, w),
- 0, 0, w, h);
- }
-
- pipe_put_tile_raw(pipe, pt, x, y, w, h, packed, 0);
-
- FREE(packed);
-}
-
-
-/**
- * Get a block of Z values, converted to 32-bit range.
- */
-void
-pipe_get_tile_z(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- uint *z)
-{
- const uint dstStride = w;
- ubyte *map;
- uint *pDest = z;
- uint i, j;
- enum pipe_format format = pt->resource->format;
-
- if (u_clip_tile(x, y, &w, &h, &pt->box))
- return;
-
- map = (ubyte *)pipe->transfer_map(pipe, pt);
- if (!map) {
- assert(0);
- return;
- }
-
- switch (format) {
- case PIPE_FORMAT_Z32_UNORM:
- {
- const uint *ptrc
- = (const uint *)(map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- memcpy(pDest, ptrc, 4 * w);
- pDest += dstStride;
- ptrc += pt->stride/4;
- }
- }
- break;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- case PIPE_FORMAT_Z24X8_UNORM:
- {
- const uint *ptrc
- = (const uint *)(map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 24-bit Z to 32-bit Z */
- pDest[j] = (ptrc[j] << 8) | ((ptrc[j] >> 16) & 0xff);
- }
- pDest += dstStride;
- ptrc += pt->stride/4;
- }
- }
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- {
- const uint *ptrc
- = (const uint *)(map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 24-bit Z to 32-bit Z */
- pDest[j] = (ptrc[j] & 0xffffff00) | ((ptrc[j] >> 24) & 0xff);
- }
- pDest += dstStride;
- ptrc += pt->stride/4;
- }
- }
- break;
- case PIPE_FORMAT_Z16_UNORM:
- {
- const ushort *ptrc
- = (const ushort *)(map + y * pt->stride + x*2);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 16-bit Z to 32-bit Z */
- pDest[j] = (ptrc[j] << 16) | ptrc[j];
- }
- pDest += dstStride;
- ptrc += pt->stride/2;
- }
- }
- break;
- default:
- assert(0);
- }
-
- pipe->transfer_unmap(pipe, pt);
-}
-
-
-void
-pipe_put_tile_z(struct pipe_context *pipe,
- struct pipe_transfer *pt,
- uint x, uint y, uint w, uint h,
- const uint *zSrc)
-{
- const uint srcStride = w;
- const uint *ptrc = zSrc;
- ubyte *map;
- uint i, j;
- enum pipe_format format = pt->resource->format;
-
- if (u_clip_tile(x, y, &w, &h, &pt->box))
- return;
-
- map = (ubyte *)pipe->transfer_map(pipe, pt);
- if (!map) {
- assert(0);
- return;
- }
-
- switch (format) {
- case PIPE_FORMAT_Z32_UNORM:
- {
- uint *pDest = (uint *) (map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- memcpy(pDest, ptrc, 4 * w);
- pDest += pt->stride/4;
- ptrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- {
- uint *pDest = (uint *) (map + y * pt->stride + x*4);
- /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 24-bit Z, preserve stencil */
- pDest[j] = (pDest[j] & 0xff000000) | ptrc[j] >> 8;
- }
- pDest += pt->stride/4;
- ptrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_Z24X8_UNORM:
- {
- uint *pDest = (uint *) (map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 24-bit Z (0 stencil) */
- pDest[j] = ptrc[j] >> 8;
- }
- pDest += pt->stride/4;
- ptrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- {
- uint *pDest = (uint *) (map + y * pt->stride + x*4);
- /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 24-bit Z, preserve stencil */
- pDest[j] = (pDest[j] & 0xff) | (ptrc[j] & 0xffffff00);
- }
- pDest += pt->stride/4;
- ptrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_X8Z24_UNORM:
- {
- uint *pDest = (uint *) (map + y * pt->stride + x*4);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 24-bit Z (0 stencil) */
- pDest[j] = ptrc[j] & 0xffffff00;
- }
- pDest += pt->stride/4;
- ptrc += srcStride;
- }
- }
- break;
- case PIPE_FORMAT_Z16_UNORM:
- {
- ushort *pDest = (ushort *) (map + y * pt->stride + x*2);
- for (i = 0; i < h; i++) {
- for (j = 0; j < w; j++) {
- /* convert 32-bit Z to 16-bit Z */
- pDest[j] = ptrc[j] >> 16;
- }
- pDest += pt->stride/2;
- ptrc += srcStride;
- }
- }
- break;
- default:
- assert(0);
- }
-
- pipe->transfer_unmap(pipe, pt);
-}
-
-
+/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * RGBA/float tile get/put functions. + * Usable both by drivers and state trackers. + */ + + +#include "pipe/p_defines.h" +#include "util/u_inlines.h" + +#include "util/u_format.h" +#include "util/u_math.h" +#include "util/u_memory.h" +#include "util/u_rect.h" +#include "util/u_tile.h" + + +/** + * Move raw block of pixels from transfer object to user memory. + */ +void +pipe_get_tile_raw(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + void *dst, int dst_stride) +{ + const void *src; + + if (dst_stride == 0) + dst_stride = util_format_get_stride(pt->resource->format, w); + + if (u_clip_tile(x, y, &w, &h, &pt->box)) + return; + + src = pipe->transfer_map(pipe, pt); + assert(src); + if(!src) + return; + + util_copy_rect(dst, pt->resource->format, dst_stride, 0, 0, w, h, src, pt->stride, x, y); + + pipe->transfer_unmap(pipe, pt); +} + + +/** + * Move raw block of pixels from user memory to transfer object. + */ +void +pipe_put_tile_raw(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + const void *src, int src_stride) +{ + void *dst; + enum pipe_format format = pt->resource->format; + + if (src_stride == 0) + src_stride = util_format_get_stride(format, w); + + if (u_clip_tile(x, y, &w, &h, &pt->box)) + return; + + dst = pipe->transfer_map(pipe, pt); + assert(dst); + if(!dst) + return; + + util_copy_rect(dst, format, pt->stride, x, y, w, h, src, src_stride, 0, 0); + + pipe->transfer_unmap(pipe, pt); +} + + + + +/** Convert short in [-32768,32767] to GLfloat in [-1.0,1.0] */ +#define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F)) + +#define UNCLAMPED_FLOAT_TO_SHORT(us, f) \ + us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) ) + + + +/*** PIPE_FORMAT_Z16_UNORM ***/ + +/** + * Return each Z value as four floats in [0,1]. + */ +static void +z16_get_tile_rgba(const ushort *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + const float scale = 1.0f / 65535.0f; + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = *src++ * scale; + } + p += dst_stride; + } +} + + + + +/*** PIPE_FORMAT_Z32_UNORM ***/ + +/** + * Return each Z value as four floats in [0,1]. + */ +static void +z32_get_tile_rgba(const unsigned *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + const double scale = 1.0 / (double) 0xffffffff; + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float) (*src++ * scale); + } + p += dst_stride; + } +} + + +/*** PIPE_FORMAT_Z24_UNORM_S8_USCALED ***/ + +/** + * Return Z component as four float in [0,1]. Stencil part ignored. + */ +static void +s8z24_get_tile_rgba(const unsigned *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + const double scale = 1.0 / ((1 << 24) - 1); + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float) (scale * (*src++ & 0xffffff)); + } + p += dst_stride; + } +} + + +/*** PIPE_FORMAT_S8_USCALED_Z24_UNORM ***/ + +/** + * Return Z component as four float in [0,1]. Stencil part ignored. + */ +static void +z24s8_get_tile_rgba(const unsigned *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + const double scale = 1.0 / ((1 << 24) - 1); + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float) (scale * (*src++ >> 8)); + } + p += dst_stride; + } +} + +/*** PIPE_FORMAT_S8X24_USCALED ***/ + +/** + * Return S component as four uint32_t in [0..255]. Z part ignored. + */ +static void +s8x24_get_tile_rgba(const unsigned *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float)((*src++ >> 24) & 0xff); + } + + p += dst_stride; + } +} + +/*** PIPE_FORMAT_X24S8_USCALED ***/ + +/** + * Return S component as four uint32_t in [0..255]. Z part ignored. + */ +static void +x24s8_get_tile_rgba(const unsigned *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float)(*src++ & 0xff); + } + p += dst_stride; + } +} + + +/** + * Return S component as four uint32_t in [0..255]. Z part ignored. + */ +static void +s8_get_tile_rgba(const unsigned char *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = (float)(*src++ & 0xff); + } + p += dst_stride; + } +} + +/*** PIPE_FORMAT_Z32_FLOAT ***/ + +/** + * Return each Z value as four floats in [0,1]. + */ +static void +z32f_get_tile_rgba(const float *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = *src++; + } + p += dst_stride; + } +} + +/*** PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED ***/ + +/** + * Return each Z value as four floats in [0,1]. + */ +static void +z32f_x24s8_get_tile_rgba(const float *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + pRow[0] = + pRow[1] = + pRow[2] = + pRow[3] = *src; + src += 2; + } + p += dst_stride; + } +} + + +void +pipe_tile_raw_to_rgba(enum pipe_format format, + void *src, + uint w, uint h, + float *dst, unsigned dst_stride) +{ + switch (format) { + case PIPE_FORMAT_Z16_UNORM: + z16_get_tile_rgba((ushort *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_Z32_UNORM: + z32_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_Z24X8_UNORM: + s8z24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_S8_USCALED: + s8_get_tile_rgba((unsigned char *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_X24S8_USCALED: + s8x24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_S8X24_USCALED: + x24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_Z32_FLOAT: + z32f_get_tile_rgba((float *) src, w, h, dst, dst_stride); + break; + case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED: + z32f_x24s8_get_tile_rgba((float *) src, w, h, dst, dst_stride); + break; + default: + util_format_read_4f(format, + dst, dst_stride * sizeof(float), + src, util_format_get_stride(format, w), + 0, 0, w, h); + } +} + + +void +pipe_get_tile_rgba(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + float *p) +{ + pipe_get_tile_rgba_format(pipe, pt, x, y, w, h, pt->resource->format, p); +} + + +void +pipe_get_tile_rgba_format(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + enum pipe_format format, + float *p) +{ + unsigned dst_stride = w * 4; + void *packed; + + if (u_clip_tile(x, y, &w, &h, &pt->box)) { + return; + } + + packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format)); + if (!packed) { + return; + } + + if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) { + assert((x & 1) == 0); + } + + pipe_get_tile_raw(pipe, pt, x, y, w, h, packed, 0); + + pipe_tile_raw_to_rgba(format, packed, w, h, p, dst_stride); + + FREE(packed); +} + + +void +pipe_put_tile_rgba(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + const float *p) +{ + pipe_put_tile_rgba_format(pipe, pt, x, y, w, h, pt->resource->format, p); +} + + +void +pipe_put_tile_rgba_format(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + enum pipe_format format, + const float *p) +{ + unsigned src_stride = w * 4; + void *packed; + + if (u_clip_tile(x, y, &w, &h, &pt->box)) + return; + + packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format)); + + if (!packed) + return; + + switch (format) { + case PIPE_FORMAT_Z16_UNORM: + /*z16_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/ + break; + case PIPE_FORMAT_Z32_UNORM: + /*z32_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_Z24X8_UNORM: + /*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + /*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ + break; + case PIPE_FORMAT_Z32_FLOAT: + /*z32f_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ + break; + case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED: + /*z32f_s8x24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ + break; + default: + util_format_write_4f(format, + p, src_stride * sizeof(float), + packed, util_format_get_stride(format, w), + 0, 0, w, h); + } + + pipe_put_tile_raw(pipe, pt, x, y, w, h, packed, 0); + + FREE(packed); +} + + +/** + * Get a block of Z values, converted to 32-bit range. + */ +void +pipe_get_tile_z(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + uint *z) +{ + const uint dstStride = w; + ubyte *map; + uint *pDest = z; + uint i, j; + enum pipe_format format = pt->resource->format; + + if (u_clip_tile(x, y, &w, &h, &pt->box)) + return; + + map = (ubyte *)pipe->transfer_map(pipe, pt); + if (!map) { + assert(0); + return; + } + + switch (format) { + case PIPE_FORMAT_Z32_UNORM: + { + const uint *ptrc + = (const uint *)(map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + memcpy(pDest, ptrc, 4 * w); + pDest += dstStride; + ptrc += pt->stride/4; + } + } + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_Z24X8_UNORM: + { + const uint *ptrc + = (const uint *)(map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 24-bit Z to 32-bit Z */ + pDest[j] = (ptrc[j] << 8) | ((ptrc[j] >> 16) & 0xff); + } + pDest += dstStride; + ptrc += pt->stride/4; + } + } + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + { + const uint *ptrc + = (const uint *)(map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 24-bit Z to 32-bit Z */ + pDest[j] = (ptrc[j] & 0xffffff00) | ((ptrc[j] >> 24) & 0xff); + } + pDest += dstStride; + ptrc += pt->stride/4; + } + } + break; + case PIPE_FORMAT_Z16_UNORM: + { + const ushort *ptrc + = (const ushort *)(map + y * pt->stride + x*2); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 16-bit Z to 32-bit Z */ + pDest[j] = (ptrc[j] << 16) | ptrc[j]; + } + pDest += dstStride; + ptrc += pt->stride/2; + } + } + break; + default: + assert(0); + } + + pipe->transfer_unmap(pipe, pt); +} + + +void +pipe_put_tile_z(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, uint y, uint w, uint h, + const uint *zSrc) +{ + const uint srcStride = w; + const uint *ptrc = zSrc; + ubyte *map; + uint i, j; + enum pipe_format format = pt->resource->format; + + if (u_clip_tile(x, y, &w, &h, &pt->box)) + return; + + map = (ubyte *)pipe->transfer_map(pipe, pt); + if (!map) { + assert(0); + return; + } + + switch (format) { + case PIPE_FORMAT_Z32_UNORM: + { + uint *pDest = (uint *) (map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + memcpy(pDest, ptrc, 4 * w); + pDest += pt->stride/4; + ptrc += srcStride; + } + } + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + { + uint *pDest = (uint *) (map + y * pt->stride + x*4); + /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/ + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 32-bit Z to 24-bit Z, preserve stencil */ + pDest[j] = (pDest[j] & 0xff000000) | ptrc[j] >> 8; + } + pDest += pt->stride/4; + ptrc += srcStride; + } + } + break; + case PIPE_FORMAT_Z24X8_UNORM: + { + uint *pDest = (uint *) (map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 32-bit Z to 24-bit Z (0 stencil) */ + pDest[j] = ptrc[j] >> 8; + } + pDest += pt->stride/4; + ptrc += srcStride; + } + } + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + { + uint *pDest = (uint *) (map + y * pt->stride + x*4); + /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/ + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 32-bit Z to 24-bit Z, preserve stencil */ + pDest[j] = (pDest[j] & 0xff) | (ptrc[j] & 0xffffff00); + } + pDest += pt->stride/4; + ptrc += srcStride; + } + } + break; + case PIPE_FORMAT_X8Z24_UNORM: + { + uint *pDest = (uint *) (map + y * pt->stride + x*4); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 32-bit Z to 24-bit Z (0 stencil) */ + pDest[j] = ptrc[j] & 0xffffff00; + } + pDest += pt->stride/4; + ptrc += srcStride; + } + } + break; + case PIPE_FORMAT_Z16_UNORM: + { + ushort *pDest = (ushort *) (map + y * pt->stride + x*2); + for (i = 0; i < h; i++) { + for (j = 0; j < w; j++) { + /* convert 32-bit Z to 16-bit Z */ + pDest[j] = ptrc[j] >> 16; + } + pDest += pt->stride/2; + ptrc += srcStride; + } + } + break; + default: + assert(0); + } + + pipe->transfer_unmap(pipe, pt); +} + + |