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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 **************************************************************************/ 24 25 #include <stdio.h> 26 #include "u_math.h" 27 #include "u_format.h" 28 #include "u_format_rgtc.h" 29 #include "u_format_latc.h" 30 #include "util/rgtc.h" 31 32 void 33 util_format_latc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) 34 { 35 /* Fix warnings here: */ 36 (void) util_format_unsigned_encode_rgtc_ubyte; 37 (void) util_format_signed_encode_rgtc_ubyte; 38 39 util_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1); 40 dst[1] = dst[0]; 41 dst[2] = dst[0]; 42 dst[3] = 255; 43 } 44 45 void 46 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) 47 { 48 util_format_rgtc1_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); 49 } 50 51 void 52 util_format_latc1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, 53 unsigned src_stride, unsigned width, unsigned height) 54 { 55 util_format_rgtc1_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); 56 } 57 58 void 59 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) 60 { 61 unsigned x, y, i, j; 62 int block_size = 8; 63 64 for(y = 0; y < height; y += 4) { 65 const uint8_t *src = src_row; 66 for(x = 0; x < width; x += 4) { 67 for(j = 0; j < 4; ++j) { 68 for(i = 0; i < 4; ++i) { 69 float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; 70 uint8_t tmp_r; 71 util_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); 72 dst[0] = 73 dst[1] = 74 dst[2] = ubyte_to_float(tmp_r); 75 dst[3] = 1.0; 76 } 77 } 78 src += block_size; 79 } 80 src_row += src_stride; 81 } 82 } 83 84 void 85 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) 86 { 87 util_format_rgtc1_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height); 88 } 89 90 void 91 util_format_latc1_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) 92 { 93 uint8_t tmp_r; 94 95 util_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); 96 dst[0] = 97 dst[1] = 98 dst[2] = ubyte_to_float(tmp_r); 99 dst[3] = 1.0; 100 } 101 102 void 103 util_format_latc1_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) 104 { 105 fprintf(stderr,"%s\n", __func__); 106 } 107 108 void 109 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) 110 { 111 fprintf(stderr,"%s\n", __func__); 112 } 113 114 void 115 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) 116 { 117 fprintf(stderr,"%s\n", __func__); 118 } 119 120 void 121 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) 122 { 123 util_format_rgtc1_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height); 124 } 125 126 void 127 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) 128 { 129 unsigned x, y, i, j; 130 int block_size = 8; 131 132 for(y = 0; y < height; y += 4) { 133 const int8_t *src = (int8_t *)src_row; 134 for(x = 0; x < width; x += 4) { 135 for(j = 0; j < 4; ++j) { 136 for(i = 0; i < 4; ++i) { 137 float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; 138 int8_t tmp_r; 139 util_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); 140 dst[0] = 141 dst[1] = 142 dst[2] = byte_to_float_tex(tmp_r); 143 dst[3] = 1.0; 144 } 145 } 146 src += block_size; 147 } 148 src_row += src_stride; 149 } 150 } 151 152 void 153 util_format_latc1_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) 154 { 155 int8_t tmp_r; 156 157 util_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 1); 158 dst[0] = 159 dst[1] = 160 dst[2] = byte_to_float_tex(tmp_r); 161 dst[3] = 1.0; 162 } 163 164 165 void 166 util_format_latc2_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) 167 { 168 util_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2); 169 dst[1] = dst[0]; 170 dst[2] = dst[0]; 171 util_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 3, 2); 172 } 173 174 void 175 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) 176 { 177 util_format_rgtc2_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); 178 } 179 180 void 181 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) 182 { 183 util_format_rgtc2_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); 184 } 185 186 void 187 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) 188 { 189 util_format_rxtc2_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3); 190 } 191 192 void 193 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) 194 { 195 unsigned x, y, i, j; 196 int block_size = 16; 197 198 for(y = 0; y < height; y += 4) { 199 const uint8_t *src = src_row; 200 for(x = 0; x < width; x += 4) { 201 for(j = 0; j < 4; ++j) { 202 for(i = 0; i < 4; ++i) { 203 float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; 204 uint8_t tmp_r, tmp_g; 205 util_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); 206 util_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); 207 dst[0] = 208 dst[1] = 209 dst[2] = ubyte_to_float(tmp_r); 210 dst[3] = ubyte_to_float(tmp_g); 211 } 212 } 213 src += block_size; 214 } 215 src_row += src_stride; 216 } 217 } 218 219 void 220 util_format_latc2_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) 221 { 222 uint8_t tmp_r, tmp_g; 223 224 util_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); 225 util_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); 226 dst[0] = 227 dst[1] = 228 dst[2] = ubyte_to_float(tmp_r); 229 dst[3] = ubyte_to_float(tmp_g); 230 } 231 232 233 void 234 util_format_latc2_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) 235 { 236 fprintf(stderr,"%s\n", __func__); 237 } 238 239 void 240 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) 241 { 242 fprintf(stderr,"%s\n", __func__); 243 } 244 245 void 246 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) 247 { 248 fprintf(stderr,"%s\n", __func__); 249 } 250 251 void 252 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) 253 { 254 unsigned x, y, i, j; 255 int block_size = 16; 256 257 for(y = 0; y < height; y += 4) { 258 const int8_t *src = (int8_t *)src_row; 259 for(x = 0; x < width; x += 4) { 260 for(j = 0; j < 4; ++j) { 261 for(i = 0; i < 4; ++i) { 262 float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; 263 int8_t tmp_r, tmp_g; 264 util_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); 265 util_format_signed_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); 266 dst[0] = 267 dst[1] = 268 dst[2] = byte_to_float_tex(tmp_r); 269 dst[3] = byte_to_float_tex(tmp_g); 270 } 271 } 272 src += block_size; 273 } 274 src_row += src_stride; 275 } 276 } 277 278 void 279 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) 280 { 281 util_format_rxtc2_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3); 282 } 283 284 void 285 util_format_latc2_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) 286 { 287 int8_t tmp_r, tmp_g; 288 289 util_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 2); 290 util_format_signed_fetch_texel_rgtc(0, (int8_t *)src + 8, i, j, &tmp_g, 2); 291 dst[0] = 292 dst[1] = 293 dst[2] = byte_to_float_tex(tmp_r); 294 dst[3] = byte_to_float_tex(tmp_g); 295 } 296 297
