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 Software 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 *src, unsigned char *dest, size_t length, struct _qcms_format_type output_format); 97 }; 98 99 struct matrix { 100 float m[3][3]; 101 bool invalid; 102 }; 103 104 struct qcms_modular_transform; 105 106 typedef void (*transform_module_fn_t)(struct qcms_modular_transform *transform, float *src, float *dest, size_t length); 107 108 struct qcms_modular_transform { 109 struct matrix matrix; 110 float tx, ty, tz; 111 112 float *input_clut_table_r; 113 float *input_clut_table_g; 114 float *input_clut_table_b; 115 uint16_t input_clut_table_length; 116 float *r_clut; 117 float *g_clut; 118 float *b_clut; 119 uint16_t grid_size; 120 float *output_clut_table_r; 121 float *output_clut_table_g; 122 float *output_clut_table_b; 123 uint16_t output_clut_table_length; 124 125 uint16_t *output_gamma_lut_r; 126 uint16_t *output_gamma_lut_g; 127 uint16_t *output_gamma_lut_b; 128 129 size_t output_gamma_lut_r_length; 130 size_t output_gamma_lut_g_length; 131 size_t output_gamma_lut_b_length; 132 133 transform_module_fn_t transform_module_fn; 134 struct qcms_modular_transform *next_transform; 135 }; 136 137 typedef int32_t s15Fixed16Number; 138 typedef uint16_t uInt16Number; 139 typedef uint8_t uInt8Number; 140 141 struct XYZNumber { 142 s15Fixed16Number X; 143 s15Fixed16Number Y; 144 s15Fixed16Number Z; 145 }; 146 147 struct curveType { 148 uint32_t type; 149 uint32_t count; 150 float parameter[7]; 151 uInt16Number data[]; 152 }; 153 154 struct lutmABType { 155 uint8_t num_in_channels; 156 uint8_t num_out_channels; 157 // 16 is the upperbound, actual is 0..num_in_channels. 158 uint8_t num_grid_points[16]; 159 160 s15Fixed16Number e00; 161 s15Fixed16Number e01; 162 s15Fixed16Number e02; 163 s15Fixed16Number e03; 164 s15Fixed16Number e10; 165 s15Fixed16Number e11; 166 s15Fixed16Number e12; 167 s15Fixed16Number e13; 168 s15Fixed16Number e20; 169 s15Fixed16Number e21; 170 s15Fixed16Number e22; 171 s15Fixed16Number e23; 172 173 // reversed elements (for mBA) 174 bool reversed; 175 176 float *clut_table; 177 struct curveType *a_curves[10]; 178 struct curveType *b_curves[10]; 179 struct curveType *m_curves[10]; 180 float clut_table_data[]; 181 }; 182 183 /* should lut8Type and lut16Type be different types? */ 184 struct lutType { // used by lut8Type/lut16Type (mft2) only 185 uint8_t num_input_channels; 186 uint8_t num_output_channels; 187 uint8_t num_clut_grid_points; 188 189 s15Fixed16Number e00; 190 s15Fixed16Number e01; 191 s15Fixed16Number e02; 192 s15Fixed16Number e10; 193 s15Fixed16Number e11; 194 s15Fixed16Number e12; 195 s15Fixed16Number e20; 196 s15Fixed16Number e21; 197 s15Fixed16Number e22; 198 199 uint16_t num_input_table_entries; 200 uint16_t num_output_table_entries; 201 202 float *input_table; 203 float *clut_table; 204 float *output_table; 205 206 float table_data[]; 207 }; 208 #if 0 209 /* this is from an intial idea of having the struct correspond to the data in 210 * the file. I decided that it wasn't a good idea. 211 */ 212 struct tag_value { 213 uint32_t type; 214 union { 215 struct { 216 uint32_t reserved; 217 struct { 218 s15Fixed16Number X; 219 s15Fixed16Number Y; 220 s15Fixed16Number Z; 221 } XYZNumber; 222 } XYZType; 223 }; 224 }; // I guess we need to pack this? 225 #endif 226 227 #define RGB_SIGNATURE 0x52474220 228 #define GRAY_SIGNATURE 0x47524159 229 #define XYZ_SIGNATURE 0x58595A20 230 #define LAB_SIGNATURE 0x4C616220 231 232 struct _qcms_profile { 233 uint32_t class; 234 uint32_t color_space; 235 uint32_t pcs; 236 qcms_intent rendering_intent; 237 struct XYZNumber redColorant; 238 struct XYZNumber blueColorant; 239 struct XYZNumber greenColorant; 240 struct curveType *redTRC; 241 struct curveType *blueTRC; 242 struct curveType *greenTRC; 243 struct curveType *grayTRC; 244 struct lutType *A2B0; 245 struct lutType *B2A0; 246 struct lutmABType *mAB; 247 struct lutmABType *mBA; 248 struct matrix chromaticAdaption; 249 250 struct precache_output *output_table_r; 251 struct precache_output *output_table_g; 252 struct precache_output *output_table_b; 253 }; 254 255 #ifdef _MSC_VER 256 #define inline _inline 257 #endif 258 259 /* produces the nearest float to 'a' with a maximum error 260 * of 1/1024 which happens for large values like 0x40000040 */ 261 static inline float s15Fixed16Number_to_float(s15Fixed16Number a) 262 { 263 return ((int32_t)a)/65536.f; 264 } 265 266 static inline s15Fixed16Number double_to_s15Fixed16Number(double v) 267 { 268 return (int32_t)(v*65536); 269 } 270 271 static inline float uInt8Number_to_float(uInt8Number a) 272 { 273 return ((int32_t)a)/255.f; 274 } 275 276 static inline float uInt16Number_to_float(uInt16Number a) 277 { 278 return ((int32_t)a)/65535.f; 279 } 280 281 282 void precache_release(struct precache_output *p); 283 qcms_bool set_rgb_colorants(qcms_profile *profile, qcms_CIE_xyY white_point, qcms_CIE_xyYTRIPLE primaries); 284 285 void qcms_transform_data_rgb_out_lut_sse2(qcms_transform *transform, 286 unsigned char *src, 287 unsigned char *dest, 288 size_t length, 289 qcms_format_type output_format); 290 void qcms_transform_data_rgba_out_lut_sse2(qcms_transform *transform, 291 unsigned char *src, 292 unsigned char *dest, 293 size_t length, 294 qcms_format_type output_format); 295 void qcms_transform_data_rgb_out_lut_sse1(qcms_transform *transform, 296 unsigned char *src, 297 unsigned char *dest, 298 size_t length, 299 qcms_format_type output_format); 300 void qcms_transform_data_rgba_out_lut_sse1(qcms_transform *transform, 301 unsigned char *src, 302 unsigned char *dest, 303 size_t length, 304 qcms_format_type output_format); 305 306 extern qcms_bool qcms_supports_iccv4; 307
