1 /**************************************************************************
2 *
3 * Copyright (C) 2011 Red Hat Inc.
4 *
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:
11 *
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
14 *
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.
21 *
22 **************************************************************************/
23
24 #include <stdio.h>
25 #include "u_math.h"
26 #include "u_format.h"
27 #include "u_format_rgtc.h"
28 #include "u_format_latc.h"
29
30 static void u_format_unsigned_encode_rgtc_ubyte(uint8_t *blkaddr, uint8_t srccolors[4][4],
31 int numxpixels, int numypixels);
32
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);
35
36 static void u_format_signed_encode_rgtc_ubyte(int8_t *blkaddr, int8_t srccolors[4][4],
37 int numxpixels, int numypixels);
38
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);
41
42 void
util_format_latc1_unorm_fetch_rgba_8unorm(uint8_t * dst,const uint8_t * src,unsigned i,unsigned j)43 util_format_latc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
44 {
45 /* Fix warnings here: */
46 (void) u_format_unsigned_encode_rgtc_ubyte;
47 (void) u_format_signed_encode_rgtc_ubyte;
48
49 u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1);
50 dst[1] = dst[0];
51 dst[2] = dst[0];
52 dst[3] = 255;
53 }
54
55 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)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)
57 {
58 util_format_rgtc1_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
59 }
60
61 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)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)
64 {
65 util_format_rgtc1_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
66 }
67
68 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)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)
70 {
71 unsigned x, y, i, j;
72 int block_size = 8;
73
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;
80 uint8_t tmp_r;
81 u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
82 dst[0] =
83 dst[1] =
84 dst[2] = ubyte_to_float(tmp_r);
85 dst[3] = 1.0;
86 }
87 }
88 src += block_size;
89 }
90 src_row += src_stride;
91 }
92 }
93
94 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)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)
96 {
97 util_format_rgtc1_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height);
98 }
99
100 void
util_format_latc1_unorm_fetch_rgba_float(float * dst,const uint8_t * src,unsigned i,unsigned j)101 util_format_latc1_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
102 {
103 uint8_t tmp_r;
104
105 u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
106 dst[0] =
107 dst[1] =
108 dst[2] = ubyte_to_float(tmp_r);
109 dst[3] = 1.0;
110 }
111
112 void
util_format_latc1_snorm_fetch_rgba_8unorm(uint8_t * dst,const uint8_t * src,unsigned i,unsigned j)113 util_format_latc1_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
114 {
115 fprintf(stderr,"%s\n", __func__);
116 }
117
118 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)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)
120 {
121 fprintf(stderr,"%s\n", __func__);
122 }
123
124 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)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)
126 {
127 fprintf(stderr,"%s\n", __func__);
128 }
129
130 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)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)
132 {
133 util_format_rgtc1_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height);
134 }
135
136 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)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)
138 {
139 unsigned x, y, i, j;
140 int block_size = 8;
141
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;
148 int8_t tmp_r;
149 u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
150 dst[0] =
151 dst[1] =
152 dst[2] = byte_to_float_tex(tmp_r);
153 dst[3] = 1.0;
154 }
155 }
156 src += block_size;
157 }
158 src_row += src_stride;
159 }
160 }
161
162 void
util_format_latc1_snorm_fetch_rgba_float(float * dst,const uint8_t * src,unsigned i,unsigned j)163 util_format_latc1_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
164 {
165 int8_t tmp_r;
166
167 u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 1);
168 dst[0] =
169 dst[1] =
170 dst[2] = byte_to_float_tex(tmp_r);
171 dst[3] = 1.0;
172 }
173
174
175 void
util_format_latc2_unorm_fetch_rgba_8unorm(uint8_t * dst,const uint8_t * src,unsigned i,unsigned j)176 util_format_latc2_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
177 {
178 u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2);
179 dst[1] = dst[0];
180 dst[2] = dst[0];
181 u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 3, 2);
182 }
183
184 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)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)
186 {
187 util_format_rgtc2_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
188 }
189
190 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)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)
192 {
193 util_format_rgtc2_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
194 }
195
196 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)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)
198 {
199 util_format_rxtc2_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3);
200 }
201
202 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)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)
204 {
205 unsigned x, y, i, j;
206 int block_size = 16;
207
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);
217 dst[0] =
218 dst[1] =
219 dst[2] = ubyte_to_float(tmp_r);
220 dst[3] = ubyte_to_float(tmp_g);
221 }
222 }
223 src += block_size;
224 }
225 src_row += src_stride;
226 }
227 }
228
229 void
util_format_latc2_unorm_fetch_rgba_float(float * dst,const uint8_t * src,unsigned i,unsigned j)230 util_format_latc2_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
231 {
232 uint8_t tmp_r, tmp_g;
233
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);
236 dst[0] =
237 dst[1] =
238 dst[2] = ubyte_to_float(tmp_r);
239 dst[3] = ubyte_to_float(tmp_g);
240 }
241
242
243 void
util_format_latc2_snorm_fetch_rgba_8unorm(uint8_t * dst,const uint8_t * src,unsigned i,unsigned j)244 util_format_latc2_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
245 {
246 fprintf(stderr,"%s\n", __func__);
247 }
248
249 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)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)
251 {
252 fprintf(stderr,"%s\n", __func__);
253 }
254
255 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)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)
257 {
258 fprintf(stderr,"%s\n", __func__);
259 }
260
261 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)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)
263 {
264 unsigned x, y, i, j;
265 int block_size = 16;
266
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;
273 int8_t tmp_r, tmp_g;
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);
276 dst[0] =
277 dst[1] =
278 dst[2] = byte_to_float_tex(tmp_r);
279 dst[3] = byte_to_float_tex(tmp_g);
280 }
281 }
282 src += block_size;
283 }
284 src_row += src_stride;
285 }
286 }
287
288 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)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)
290 {
291 util_format_rxtc2_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3);
292 }
293
294 void
util_format_latc2_snorm_fetch_rgba_float(float * dst,const uint8_t * src,unsigned i,unsigned j)295 util_format_latc2_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
296 {
297 int8_t tmp_r, tmp_g;
298
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);
301 dst[0] =
302 dst[1] =
303 dst[2] = byte_to_float_tex(tmp_r);
304 dst[3] = byte_to_float_tex(tmp_g);
305 }
306
307
308 #define TAG(x) u_format_unsigned_##x
309 #define TYPE uint8_t
310 #define T_MIN 0
311 #define T_MAX 255
312
313 #include "../../../mesa/main/texcompress_rgtc_tmp.h"
314
315 #undef TYPE
316 #undef TAG
317 #undef T_MIN
318 #undef T_MAX
319
320
321 #define TAG(x) u_format_signed_##x
322 #define TYPE int8_t
323 #define T_MIN (int8_t)-128
324 #define T_MAX (int8_t)127
325
326 #include "../../../mesa/main/texcompress_rgtc_tmp.h"
327
328 #undef TYPE
329 #undef TAG
330 #undef T_MIN
331 #undef T_MAX
332