1 /**************************************************************************
3 * Copyright (C) 2011 Red Hat Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
19 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 **************************************************************************/
27 #include "u_format_rgtc.h"
28 #include "u_format_latc.h"
30 static void u_format_unsigned_encode_rgtc_ubyte(uint8_t *blkaddr, uint8_t srccolors[4][4],
31 int numxpixels, int numypixels);
33 static void u_format_unsigned_fetch_texel_rgtc(unsigned srcRowStride, const uint8_t *pixdata,
34 unsigned i, unsigned j, uint8_t *value, unsigned comps);
36 static void u_format_signed_encode_rgtc_ubyte(int8_t *blkaddr, int8_t srccolors[4][4],
37 int numxpixels, int numypixels);
39 static void u_format_signed_fetch_texel_rgtc(unsigned srcRowStride, const int8_t *pixdata,
40 unsigned i, unsigned j, int8_t *value, unsigned comps);
43 util_format_latc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
45 /* Fix warnings here: */
46 (void) u_format_unsigned_encode_rgtc_ubyte;
47 (void) u_format_signed_encode_rgtc_ubyte;
49 u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1);
56 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)
58 util_format_rgtc1_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
62 util_format_latc1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row,
63 unsigned src_stride, unsigned width, unsigned height)
65 util_format_rgtc1_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
69 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)
74 for(y = 0; y < height; y += 4) {
75 const uint8_t *src = src_row;
76 for(x = 0; x < width; x += 4) {
77 for(j = 0; j < 4; ++j) {
78 for(i = 0; i < 4; ++i) {
79 float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
81 u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
84 dst[2] = ubyte_to_float(tmp_r);
90 src_row += src_stride;
95 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)
97 util_format_rgtc1_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height);
101 util_format_latc1_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
105 u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
108 dst[2] = ubyte_to_float(tmp_r);
113 util_format_latc1_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
115 fprintf(stderr,"%s\n", __func__);
119 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)
121 fprintf(stderr,"%s\n", __func__);
125 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)
127 fprintf(stderr,"%s\n", __func__);
131 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)
133 util_format_rgtc1_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height);
137 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)
142 for(y = 0; y < height; y += 4) {
143 const int8_t *src = (int8_t *)src_row;
144 for(x = 0; x < width; x += 4) {
145 for(j = 0; j < 4; ++j) {
146 for(i = 0; i < 4; ++i) {
147 float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
149 u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
152 dst[2] = byte_to_float_tex(tmp_r);
158 src_row += src_stride;
163 util_format_latc1_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
167 u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 1);
170 dst[2] = byte_to_float_tex(tmp_r);
176 util_format_latc2_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
178 u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2);
181 u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 3, 2);
185 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)
187 util_format_rgtc2_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
191 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)
193 util_format_rgtc2_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
197 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)
199 util_format_rxtc2_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3);
203 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)
208 for(y = 0; y < height; y += 4) {
209 const uint8_t *src = src_row;
210 for(x = 0; x < width; x += 4) {
211 for(j = 0; j < 4; ++j) {
212 for(i = 0; i < 4; ++i) {
213 float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
214 uint8_t tmp_r, tmp_g;
215 u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
216 u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
219 dst[2] = ubyte_to_float(tmp_r);
220 dst[3] = ubyte_to_float(tmp_g);
225 src_row += src_stride;
230 util_format_latc2_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
232 uint8_t tmp_r, tmp_g;
234 u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
235 u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
238 dst[2] = ubyte_to_float(tmp_r);
239 dst[3] = ubyte_to_float(tmp_g);
244 util_format_latc2_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
246 fprintf(stderr,"%s\n", __func__);
250 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)
252 fprintf(stderr,"%s\n", __func__);
256 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)
258 fprintf(stderr,"%s\n", __func__);
262 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)
267 for(y = 0; y < height; y += 4) {
268 const int8_t *src = (int8_t *)src_row;
269 for(x = 0; x < width; x += 4) {
270 for(j = 0; j < 4; ++j) {
271 for(i = 0; i < 4; ++i) {
272 float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
274 u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
275 u_format_signed_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
278 dst[2] = byte_to_float_tex(tmp_r);
279 dst[3] = byte_to_float_tex(tmp_g);
284 src_row += src_stride;
289 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)
291 util_format_rxtc2_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3);
295 util_format_latc2_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
299 u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 2);
300 u_format_signed_fetch_texel_rgtc(0, (int8_t *)src + 8, i, j, &tmp_g, 2);
303 dst[2] = byte_to_float_tex(tmp_r);
304 dst[3] = byte_to_float_tex(tmp_g);
308 #define TAG(x) u_format_unsigned_##x
313 #include "../../../mesa/main/texcompress_rgtc_tmp.h"
321 #define TAG(x) u_format_signed_##x
323 #define T_MIN (int8_t)-128
324 #define T_MAX (int8_t)127
326 #include "../../../mesa/main/texcompress_rgtc_tmp.h"