diff options
author | marha <marha@users.sourceforge.net> | 2011-09-22 15:20:09 +0200 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2011-09-22 15:20:09 +0200 |
commit | c1e6c7428a8d2c1b60ffac7df7a3f56c300fa983 (patch) | |
tree | 8874978d314129a4f47ee575b076c2d8eb1a8738 /mesalib/src/gallium/auxiliary/util/u_format_latc.c | |
parent | 37466741e35c5eb3b204863a5023bf8d192efc06 (diff) | |
download | vcxsrv-c1e6c7428a8d2c1b60ffac7df7a3f56c300fa983.tar.gz vcxsrv-c1e6c7428a8d2c1b60ffac7df7a3f56c300fa983.tar.bz2 vcxsrv-c1e6c7428a8d2c1b60ffac7df7a3f56c300fa983.zip |
libxtrans libX11 libX11 libXext mesa xserver git update 22 sep 2011
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_format_latc.c')
-rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_format_latc.c | 654 |
1 files changed, 326 insertions, 328 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_latc.c b/mesalib/src/gallium/auxiliary/util/u_format_latc.c index a25faf5d9..113a793e2 100644 --- a/mesalib/src/gallium/auxiliary/util/u_format_latc.c +++ b/mesalib/src/gallium/auxiliary/util/u_format_latc.c @@ -1,328 +1,326 @@ -/**************************************************************************
- *
- * Copyright (C) 2011 Red Hat Inc.
- *
- * 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, sublicense,
- * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL 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.
- *
- **************************************************************************/
-
-#include <stdio.h>
-#include "u_math.h"
-#include "u_format.h"
-#include "u_format_rgtc.h"
-#include "u_format_latc.h"
-
-static void u_format_unsigned_encode_rgtc_chan(uint8_t *blkaddr, uint8_t srccolors[4][4],
- int numxpixels, int numypixels);
-
-static void u_format_unsigned_fetch_texel_rgtc(unsigned srcRowStride, const uint8_t *pixdata,
- unsigned i, unsigned j, uint8_t *value, unsigned comps);
-
-static void u_format_signed_encode_rgtc_chan(int8_t *blkaddr, int8_t srccolors[4][4],
- int numxpixels, int numypixels);
-
-static void u_format_signed_fetch_texel_rgtc(unsigned srcRowStride, const int8_t *pixdata,
- unsigned i, unsigned j, int8_t *value, unsigned comps);
-
-void
-util_format_latc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- /* Fix warnings here: */
- (void) u_format_unsigned_encode_rgtc_chan;
- (void) u_format_signed_encode_rgtc_chan;
-
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1);
-}
-
-void
-util_format_latc1_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc1_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row,
- unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc1_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc1_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 8;
-
- for(y = 0; y < height; y += 4) {
- const uint8_t *src = src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- uint8_t tmp_r;
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
- dst[0] =
- dst[1] =
- dst[2] = ubyte_to_float(tmp_r);
- dst[3] = 1.0;
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_latc1_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc1_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc1_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- uint8_t tmp_r;
-
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
- dst[0] =
- dst[1] =
- dst[2] = ubyte_to_float(tmp_r);
- dst[3] = 1.0;
-}
-
-void
-util_format_latc1_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc1_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc1_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc1_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc1_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc1_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 8;
-
- for(y = 0; y < height; y += 4) {
- const int8_t *src = (int8_t *)src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- int8_t tmp_r;
- u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
- dst[0] =
- dst[1] =
- dst[2] = byte_to_float_tex(tmp_r);
- dst[3] = 1.0;
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_latc1_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- int8_t tmp_r;
-
- u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 1);
- dst[0] =
- dst[1] =
- dst[2] = byte_to_float_tex(tmp_r);
- dst[3] = 1.0;
-}
-
-
-void
-util_format_latc2_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- puts(__func__);
-
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2);
- u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 1, 2);
-}
-
-void
-util_format_latc2_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc2_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc2_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc2_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc2_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rxtc2_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3);
-}
-
-void
-util_format_latc2_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 16;
-
- for(y = 0; y < height; y += 4) {
- const uint8_t *src = src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- uint8_t tmp_r, tmp_g;
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
- u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
- dst[0] =
- dst[1] =
- dst[2] = ubyte_to_float(tmp_r);
- dst[3] = ubyte_to_float(tmp_g);
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_latc2_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- uint8_t tmp_r, tmp_g;
-
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
- u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
- dst[0] =
- dst[1] =
- dst[2] = ubyte_to_float(tmp_r);
- dst[3] = ubyte_to_float(tmp_g);
-}
-
-
-void
-util_format_latc2_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc2_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc2_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc2_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 16;
-
- for(y = 0; y < height; y += 4) {
- const int8_t *src = (int8_t *)src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- int8_t tmp_r, tmp_g;
- u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
- u_format_signed_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
- dst[0] =
- dst[1] =
- dst[2] = byte_to_float_tex(tmp_r);
- dst[3] = byte_to_float_tex(tmp_g);
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_latc2_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rxtc2_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3);
-}
-
-void
-util_format_latc2_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- int8_t tmp_r, tmp_g;
-
- u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 2);
- u_format_signed_fetch_texel_rgtc(0, (int8_t *)src + 8, i, j, &tmp_g, 2);
- dst[0] =
- dst[1] =
- dst[2] = byte_to_float_tex(tmp_r);
- dst[3] = byte_to_float_tex(tmp_g);
-}
-
-
-#define TAG(x) u_format_unsigned_##x
-#define TYPE uint8_t
-#define T_MIN 0
-#define T_MAX 255
-
-#include "../../../mesa/main/texcompress_rgtc_tmp.h"
-
-#undef TYPE
-#undef TAG
-#undef T_MIN
-#undef T_MAX
-
-
-#define TAG(x) u_format_signed_##x
-#define TYPE int8_t
-#define T_MIN (int8_t)-128
-#define T_MAX (int8_t)127
-
-#include "../../../mesa/main/texcompress_rgtc_tmp.h"
-
-#undef TYPE
-#undef TAG
-#undef T_MIN
-#undef T_MAX
+/************************************************************************** + * + * Copyright (C) 2011 Red Hat Inc. + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL 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. + * + **************************************************************************/ + +#include <stdio.h> +#include "u_math.h" +#include "u_format.h" +#include "u_format_rgtc.h" +#include "u_format_latc.h" + +static void u_format_unsigned_encode_rgtc_ubyte(uint8_t *blkaddr, uint8_t srccolors[4][4], + int numxpixels, int numypixels); + +static void u_format_unsigned_fetch_texel_rgtc(unsigned srcRowStride, const uint8_t *pixdata, + unsigned i, unsigned j, uint8_t *value, unsigned comps); + +static void u_format_signed_encode_rgtc_ubyte(int8_t *blkaddr, int8_t srccolors[4][4], + int numxpixels, int numypixels); + +static void u_format_signed_fetch_texel_rgtc(unsigned srcRowStride, const int8_t *pixdata, + unsigned i, unsigned j, int8_t *value, unsigned comps); + +void +util_format_latc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + /* Fix warnings here: */ + (void) u_format_unsigned_encode_rgtc_ubyte; + (void) u_format_signed_encode_rgtc_ubyte; + + u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1); +} + +void +util_format_latc1_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc1_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, + unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc1_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc1_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + unsigned x, y, i, j; + int block_size = 8; + + for(y = 0; y < height; y += 4) { + const uint8_t *src = src_row; + for(x = 0; x < width; x += 4) { + for(j = 0; j < 4; ++j) { + for(i = 0; i < 4; ++i) { + float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; + uint8_t tmp_r; + u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); + dst[0] = + dst[1] = + dst[2] = ubyte_to_float(tmp_r); + dst[3] = 1.0; + } + } + src += block_size; + } + src_row += src_stride; + } +} + +void +util_format_latc1_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc1_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc1_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + uint8_t tmp_r; + + u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); + dst[0] = + dst[1] = + dst[2] = ubyte_to_float(tmp_r); + dst[3] = 1.0; +} + +void +util_format_latc1_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc1_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc1_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc1_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc1_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc1_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + unsigned x, y, i, j; + int block_size = 8; + + for(y = 0; y < height; y += 4) { + const int8_t *src = (int8_t *)src_row; + for(x = 0; x < width; x += 4) { + for(j = 0; j < 4; ++j) { + for(i = 0; i < 4; ++i) { + float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; + int8_t tmp_r; + u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); + dst[0] = + dst[1] = + dst[2] = byte_to_float_tex(tmp_r); + dst[3] = 1.0; + } + } + src += block_size; + } + src_row += src_stride; + } +} + +void +util_format_latc1_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + int8_t tmp_r; + + u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 1); + dst[0] = + dst[1] = + dst[2] = byte_to_float_tex(tmp_r); + dst[3] = 1.0; +} + + +void +util_format_latc2_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2); + u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 1, 2); +} + +void +util_format_latc2_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc2_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc2_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc2_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc2_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rxtc2_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3); +} + +void +util_format_latc2_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + unsigned x, y, i, j; + int block_size = 16; + + for(y = 0; y < height; y += 4) { + const uint8_t *src = src_row; + for(x = 0; x < width; x += 4) { + for(j = 0; j < 4; ++j) { + for(i = 0; i < 4; ++i) { + float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; + uint8_t tmp_r, tmp_g; + u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); + u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); + dst[0] = + dst[1] = + dst[2] = ubyte_to_float(tmp_r); + dst[3] = ubyte_to_float(tmp_g); + } + } + src += block_size; + } + src_row += src_stride; + } +} + +void +util_format_latc2_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + uint8_t tmp_r, tmp_g; + + u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); + u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); + dst[0] = + dst[1] = + dst[2] = ubyte_to_float(tmp_r); + dst[3] = ubyte_to_float(tmp_g); +} + + +void +util_format_latc2_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc2_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc2_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc2_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + unsigned x, y, i, j; + int block_size = 16; + + for(y = 0; y < height; y += 4) { + const int8_t *src = (int8_t *)src_row; + for(x = 0; x < width; x += 4) { + for(j = 0; j < 4; ++j) { + for(i = 0; i < 4; ++i) { + float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; + int8_t tmp_r, tmp_g; + u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); + u_format_signed_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); + dst[0] = + dst[1] = + dst[2] = byte_to_float_tex(tmp_r); + dst[3] = byte_to_float_tex(tmp_g); + } + } + src += block_size; + } + src_row += src_stride; + } +} + +void +util_format_latc2_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rxtc2_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3); +} + +void +util_format_latc2_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + int8_t tmp_r, tmp_g; + + u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 2); + u_format_signed_fetch_texel_rgtc(0, (int8_t *)src + 8, i, j, &tmp_g, 2); + dst[0] = + dst[1] = + dst[2] = byte_to_float_tex(tmp_r); + dst[3] = byte_to_float_tex(tmp_g); +} + + +#define TAG(x) u_format_unsigned_##x +#define TYPE uint8_t +#define T_MIN 0 +#define T_MAX 255 + +#include "../../../mesa/main/texcompress_rgtc_tmp.h" + +#undef TYPE +#undef TAG +#undef T_MIN +#undef T_MAX + + +#define TAG(x) u_format_signed_##x +#define TYPE int8_t +#define T_MIN (int8_t)-128 +#define T_MAX (int8_t)127 + +#include "../../../mesa/main/texcompress_rgtc_tmp.h" + +#undef TYPE +#undef TAG +#undef T_MIN +#undef T_MAX |