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| 1 /* vim: set ts=8 sw=8 noexpandtab: */ |
| 2 // qcms |
| 3 // Copyright (C) 2009 Mozilla Foundation |
| 4 // |
| 5 // Permission is hereby granted, free of charge, to any person obtaining |
| 6 // a 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 Softwar
e |
| 10 // is furnished to do so, subject to the following conditions: |
| 11 // |
| 12 // The above copyright notice and this permission notice shall be included in |
| 13 // all copies or substantial portions of the Software. |
| 14 // |
| 15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO |
| 17 // THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 |
| 23 #include "qcms.h" |
| 24 #include "qcmstypes.h" |
| 25 |
| 26 /* used as a lookup table for the output transformation. |
| 27 * we refcount them so we only need to have one around per output |
| 28 * profile, instead of duplicating them per transform */ |
| 29 struct precache_output |
| 30 { |
| 31 int ref_count; |
| 32 /* We previously used a count of 65536 here but that seems like more |
| 33 * precision than we actually need. By reducing the size we can |
| 34 * improve startup performance and reduce memory usage. ColorSync on |
| 35 * 10.5 uses 4097 which is perhaps because they use a fixed point |
| 36 * representation where 1. is represented by 0x1000. */ |
| 37 #define PRECACHE_OUTPUT_SIZE 8192 |
| 38 #define PRECACHE_OUTPUT_MAX (PRECACHE_OUTPUT_SIZE-1) |
| 39 uint8_t data[PRECACHE_OUTPUT_SIZE]; |
| 40 }; |
| 41 |
| 42 #ifdef _MSC_VER |
| 43 #define ALIGN __declspec(align(16)) |
| 44 #else |
| 45 #define ALIGN __attribute__(( aligned (16) )) |
| 46 #endif |
| 47 |
| 48 typedef struct _qcms_format_type { |
| 49 int r; |
| 50 int b; |
| 51 } qcms_format_type; |
| 52 |
| 53 struct _qcms_transform { |
| 54 float ALIGN matrix[3][4]; |
| 55 float *input_gamma_table_r; |
| 56 float *input_gamma_table_g; |
| 57 float *input_gamma_table_b; |
| 58 |
| 59 float *input_clut_table_r; |
| 60 float *input_clut_table_g; |
| 61 float *input_clut_table_b; |
| 62 uint16_t input_clut_table_length; |
| 63 float *r_clut; |
| 64 float *g_clut; |
| 65 float *b_clut; |
| 66 uint16_t grid_size; |
| 67 float *output_clut_table_r; |
| 68 float *output_clut_table_g; |
| 69 float *output_clut_table_b; |
| 70 uint16_t output_clut_table_length; |
| 71 |
| 72 float *input_gamma_table_gray; |
| 73 |
| 74 float out_gamma_r; |
| 75 float out_gamma_g; |
| 76 float out_gamma_b; |
| 77 |
| 78 float out_gamma_gray; |
| 79 |
| 80 uint16_t *output_gamma_lut_r; |
| 81 uint16_t *output_gamma_lut_g; |
| 82 uint16_t *output_gamma_lut_b; |
| 83 |
| 84 uint16_t *output_gamma_lut_gray; |
| 85 |
| 86 size_t output_gamma_lut_r_length; |
| 87 size_t output_gamma_lut_g_length; |
| 88 size_t output_gamma_lut_b_length; |
| 89 |
| 90 size_t output_gamma_lut_gray_length; |
| 91 |
| 92 struct precache_output *output_table_r; |
| 93 struct precache_output *output_table_g; |
| 94 struct precache_output *output_table_b; |
| 95 |
| 96 void (*transform_fn)(struct _qcms_transform *transform, unsigned char *s
rc, unsigned char *dest, size_t length, struct _qcms_format_type output_format); |
| 97 |
| 98 unsigned char floor_cache[256]; |
| 99 unsigned char ceil_cache[256]; |
| 100 float r_cache[256]; |
| 101 |
| 102 #define TRANSFORM_FLAG_MATRIX 0x0001 |
| 103 #define TRANSFORM_FLAG_CLUT_CACHE 0x0002 |
| 104 |
| 105 uint16_t transform_flags; |
| 106 }; |
| 107 |
| 108 struct matrix { |
| 109 float m[3][3]; |
| 110 bool invalid; |
| 111 }; |
| 112 |
| 113 struct qcms_modular_transform; |
| 114 |
| 115 typedef void (*transform_module_fn_t)(struct qcms_modular_transform *transform,
float *src, float *dest, size_t length); |
| 116 |
| 117 struct qcms_modular_transform { |
| 118 struct matrix matrix; |
| 119 float tx, ty, tz; |
| 120 |
| 121 float *input_clut_table_r; |
| 122 float *input_clut_table_g; |
| 123 float *input_clut_table_b; |
| 124 uint16_t input_clut_table_length; |
| 125 float *r_clut; |
| 126 float *g_clut; |
| 127 float *b_clut; |
| 128 uint16_t grid_size; |
| 129 float *output_clut_table_r; |
| 130 float *output_clut_table_g; |
| 131 float *output_clut_table_b; |
| 132 uint16_t output_clut_table_length; |
| 133 |
| 134 uint16_t *output_gamma_lut_r; |
| 135 uint16_t *output_gamma_lut_g; |
| 136 uint16_t *output_gamma_lut_b; |
| 137 |
| 138 size_t output_gamma_lut_r_length; |
| 139 size_t output_gamma_lut_g_length; |
| 140 size_t output_gamma_lut_b_length; |
| 141 |
| 142 transform_module_fn_t transform_module_fn; |
| 143 struct qcms_modular_transform *next_transform; |
| 144 }; |
| 145 |
| 146 typedef int32_t s15Fixed16Number; |
| 147 typedef uint16_t uInt16Number; |
| 148 typedef uint8_t uInt8Number; |
| 149 |
| 150 struct XYZNumber { |
| 151 s15Fixed16Number X; |
| 152 s15Fixed16Number Y; |
| 153 s15Fixed16Number Z; |
| 154 }; |
| 155 |
| 156 struct curveType { |
| 157 uint32_t type; |
| 158 uint32_t count; |
| 159 float parameter[7]; |
| 160 uInt16Number data[]; |
| 161 }; |
| 162 |
| 163 struct lutmABType { |
| 164 uint8_t num_in_channels; |
| 165 uint8_t num_out_channels; |
| 166 // 16 is the upperbound, actual is 0..num_in_channels. |
| 167 uint8_t num_grid_points[16]; |
| 168 |
| 169 s15Fixed16Number e00; |
| 170 s15Fixed16Number e01; |
| 171 s15Fixed16Number e02; |
| 172 s15Fixed16Number e03; |
| 173 s15Fixed16Number e10; |
| 174 s15Fixed16Number e11; |
| 175 s15Fixed16Number e12; |
| 176 s15Fixed16Number e13; |
| 177 s15Fixed16Number e20; |
| 178 s15Fixed16Number e21; |
| 179 s15Fixed16Number e22; |
| 180 s15Fixed16Number e23; |
| 181 |
| 182 // reversed elements (for mBA) |
| 183 bool reversed; |
| 184 |
| 185 float *clut_table; |
| 186 struct curveType *a_curves[10]; |
| 187 struct curveType *b_curves[10]; |
| 188 struct curveType *m_curves[10]; |
| 189 float clut_table_data[]; |
| 190 }; |
| 191 |
| 192 /* should lut8Type and lut16Type be different types? */ |
| 193 struct lutType { // used by lut8Type/lut16Type (mft2) only |
| 194 uint8_t num_input_channels; |
| 195 uint8_t num_output_channels; |
| 196 uint8_t num_clut_grid_points; |
| 197 |
| 198 s15Fixed16Number e00; |
| 199 s15Fixed16Number e01; |
| 200 s15Fixed16Number e02; |
| 201 s15Fixed16Number e10; |
| 202 s15Fixed16Number e11; |
| 203 s15Fixed16Number e12; |
| 204 s15Fixed16Number e20; |
| 205 s15Fixed16Number e21; |
| 206 s15Fixed16Number e22; |
| 207 |
| 208 uint16_t num_input_table_entries; |
| 209 uint16_t num_output_table_entries; |
| 210 |
| 211 float *input_table; |
| 212 float *clut_table; |
| 213 float *output_table; |
| 214 |
| 215 float table_data[]; |
| 216 }; |
| 217 |
| 218 struct vcgtType { |
| 219 /* data contains three gamma channels: R[length], then G[length], then |
| 220 * B[length]. */ |
| 221 uint16_t *data; |
| 222 size_t length; |
| 223 }; |
| 224 |
| 225 #if 0 |
| 226 /* this is from an intial idea of having the struct correspond to the data in |
| 227 * the file. I decided that it wasn't a good idea. |
| 228 */ |
| 229 struct tag_value { |
| 230 uint32_t type; |
| 231 union { |
| 232 struct { |
| 233 uint32_t reserved; |
| 234 struct { |
| 235 s15Fixed16Number X; |
| 236 s15Fixed16Number Y; |
| 237 s15Fixed16Number Z; |
| 238 } XYZNumber; |
| 239 } XYZType; |
| 240 }; |
| 241 }; // I guess we need to pack this? |
| 242 #endif |
| 243 |
| 244 #define RGB_SIGNATURE 0x52474220 |
| 245 #define GRAY_SIGNATURE 0x47524159 |
| 246 #define XYZ_SIGNATURE 0x58595A20 |
| 247 #define LAB_SIGNATURE 0x4C616220 |
| 248 |
| 249 struct _qcms_profile { |
| 250 uint32_t icc_version; |
| 251 char description[64]; |
| 252 uint32_t class; |
| 253 uint32_t color_space; |
| 254 uint32_t pcs; |
| 255 qcms_intent rendering_intent; |
| 256 struct XYZNumber mediaWhitePoint; |
| 257 struct XYZNumber redColorant; |
| 258 struct XYZNumber blueColorant; |
| 259 struct XYZNumber greenColorant; |
| 260 struct curveType *redTRC; |
| 261 struct curveType *blueTRC; |
| 262 struct curveType *greenTRC; |
| 263 struct curveType *grayTRC; |
| 264 struct lutType *A2B0; |
| 265 struct lutType *B2A0; |
| 266 struct lutmABType *mAB; |
| 267 struct lutmABType *mBA; |
| 268 struct matrix chromaticAdaption; |
| 269 struct vcgtType vcgt; |
| 270 |
| 271 struct precache_output *output_table_r; |
| 272 struct precache_output *output_table_g; |
| 273 struct precache_output *output_table_b; |
| 274 }; |
| 275 |
| 276 #ifdef _MSC_VER |
| 277 #define inline _inline |
| 278 #endif |
| 279 |
| 280 /* produces the nearest float to 'a' with a maximum error |
| 281 * of 1/1024 which happens for large values like 0x40000040 */ |
| 282 static inline float s15Fixed16Number_to_float(s15Fixed16Number a) |
| 283 { |
| 284 return ((int32_t)a)/65536.f; |
| 285 } |
| 286 |
| 287 static inline s15Fixed16Number double_to_s15Fixed16Number(double v) |
| 288 { |
| 289 return (int32_t)(v*65536); |
| 290 } |
| 291 |
| 292 static inline float uInt8Number_to_float(uInt8Number a) |
| 293 { |
| 294 return ((int32_t)a)/255.f; |
| 295 } |
| 296 |
| 297 static inline float uInt16Number_to_float(uInt16Number a) |
| 298 { |
| 299 return ((int32_t)a)/65535.f; |
| 300 } |
| 301 |
| 302 |
| 303 void precache_release(struct precache_output *p); |
| 304 qcms_bool set_rgb_colorants(qcms_profile *profile, qcms_CIE_xyY white_point, qcm
s_CIE_xyYTRIPLE primaries); |
| 305 |
| 306 void qcms_transform_data_rgb_out_lut_sse2(qcms_transform *transform, |
| 307 unsigned char *src, |
| 308 unsigned char *dest, |
| 309 size_t length, |
| 310 qcms_format_type output_format); |
| 311 void qcms_transform_data_rgba_out_lut_sse2(qcms_transform *transform, |
| 312 unsigned char *src, |
| 313 unsigned char *dest, |
| 314 size_t length, |
| 315 qcms_format_type output_format); |
| 316 void qcms_transform_data_tetra_clut_rgba_sse2(qcms_transform* transform, |
| 317 unsigned char* src, |
| 318 unsigned char* dest, |
| 319 size_t length, |
| 320 qcms_format_type output_format); |
| 321 |
| 322 void qcms_transform_build_clut_cache(qcms_transform* transform); |
| 323 |
| 324 extern qcms_bool qcms_supports_iccv4; |
| 325 |
| 326 |
| 327 #ifdef _MSC_VER |
| 328 |
| 329 long __cdecl _InterlockedIncrement(long volatile *); |
| 330 long __cdecl _InterlockedDecrement(long volatile *); |
| 331 #pragma intrinsic(_InterlockedIncrement) |
| 332 #pragma intrinsic(_InterlockedDecrement) |
| 333 |
| 334 #define qcms_atomic_increment(x) _InterlockedIncrement((long volatile *)&x) |
| 335 #define qcms_atomic_decrement(x) _InterlockedDecrement((long volatile*)&x) |
| 336 |
| 337 #else |
| 338 |
| 339 #define qcms_atomic_increment(x) __sync_add_and_fetch(&x, 1) |
| 340 #define qcms_atomic_decrement(x) __sync_sub_and_fetch(&x, 1) |
| 341 |
| 342 #endif |
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