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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 struct _qcms_transform { |
| 49 float ALIGN matrix[3][4]; |
| 50 float *input_gamma_table_r; |
| 51 float *input_gamma_table_g; |
| 52 float *input_gamma_table_b; |
| 53 |
| 54 float *input_clut_table_r; |
| 55 float *input_clut_table_g; |
| 56 float *input_clut_table_b; |
| 57 uint16_t input_clut_table_length; |
| 58 float *r_clut; |
| 59 float *g_clut; |
| 60 float *b_clut; |
| 61 uint16_t grid_size; |
| 62 float *output_clut_table_r; |
| 63 float *output_clut_table_g; |
| 64 float *output_clut_table_b; |
| 65 uint16_t output_clut_table_length; |
| 66 |
| 67 float *input_gamma_table_gray; |
| 68 |
| 69 float out_gamma_r; |
| 70 float out_gamma_g; |
| 71 float out_gamma_b; |
| 72 |
| 73 float out_gamma_gray; |
| 74 |
| 75 uint16_t *output_gamma_lut_r; |
| 76 uint16_t *output_gamma_lut_g; |
| 77 uint16_t *output_gamma_lut_b; |
| 78 |
| 79 uint16_t *output_gamma_lut_gray; |
| 80 |
| 81 size_t output_gamma_lut_r_length; |
| 82 size_t output_gamma_lut_g_length; |
| 83 size_t output_gamma_lut_b_length; |
| 84 |
| 85 size_t output_gamma_lut_gray_length; |
| 86 |
| 87 struct precache_output *output_table_r; |
| 88 struct precache_output *output_table_g; |
| 89 struct precache_output *output_table_b; |
| 90 |
| 91 void (*transform_fn)(struct _qcms_transform *transform, unsigned char *s
rc, unsigned char *dest, size_t length); |
| 92 }; |
| 93 |
| 94 struct matrix { |
| 95 float m[3][3]; |
| 96 bool invalid; |
| 97 }; |
| 98 |
| 99 struct qcms_modular_transform; |
| 100 |
| 101 typedef void (*transform_module_fn_t)(struct qcms_modular_transform *transform,
float *src, float *dest, size_t length); |
| 102 |
| 103 struct qcms_modular_transform { |
| 104 struct matrix matrix; |
| 105 float tx, ty, tz; |
| 106 |
| 107 float *input_clut_table_r; |
| 108 float *input_clut_table_g; |
| 109 float *input_clut_table_b; |
| 110 uint16_t input_clut_table_length; |
| 111 float *r_clut; |
| 112 float *g_clut; |
| 113 float *b_clut; |
| 114 uint16_t grid_size; |
| 115 float *output_clut_table_r; |
| 116 float *output_clut_table_g; |
| 117 float *output_clut_table_b; |
| 118 uint16_t output_clut_table_length; |
| 119 |
| 120 uint16_t *output_gamma_lut_r; |
| 121 uint16_t *output_gamma_lut_g; |
| 122 uint16_t *output_gamma_lut_b; |
| 123 |
| 124 size_t output_gamma_lut_r_length; |
| 125 size_t output_gamma_lut_g_length; |
| 126 size_t output_gamma_lut_b_length; |
| 127 |
| 128 transform_module_fn_t transform_module_fn; |
| 129 struct qcms_modular_transform *next_transform; |
| 130 }; |
| 131 |
| 132 typedef int32_t s15Fixed16Number; |
| 133 typedef uint16_t uInt16Number; |
| 134 typedef uint8_t uInt8Number; |
| 135 |
| 136 struct XYZNumber { |
| 137 s15Fixed16Number X; |
| 138 s15Fixed16Number Y; |
| 139 s15Fixed16Number Z; |
| 140 }; |
| 141 |
| 142 struct curveType { |
| 143 uint32_t type; |
| 144 uint32_t count; |
| 145 float parameter[7]; |
| 146 uInt16Number data[]; |
| 147 }; |
| 148 |
| 149 struct lutmABType { |
| 150 uint8_t num_in_channels; |
| 151 uint8_t num_out_channels; |
| 152 // 16 is the upperbound, actual is 0..num_in_channels. |
| 153 uint8_t num_grid_points[16]; |
| 154 |
| 155 s15Fixed16Number e00; |
| 156 s15Fixed16Number e01; |
| 157 s15Fixed16Number e02; |
| 158 s15Fixed16Number e03; |
| 159 s15Fixed16Number e10; |
| 160 s15Fixed16Number e11; |
| 161 s15Fixed16Number e12; |
| 162 s15Fixed16Number e13; |
| 163 s15Fixed16Number e20; |
| 164 s15Fixed16Number e21; |
| 165 s15Fixed16Number e22; |
| 166 s15Fixed16Number e23; |
| 167 |
| 168 // reversed elements (for mBA) |
| 169 bool reversed; |
| 170 |
| 171 float *clut_table; |
| 172 struct curveType *a_curves[10]; |
| 173 struct curveType *b_curves[10]; |
| 174 struct curveType *m_curves[10]; |
| 175 float clut_table_data[]; |
| 176 }; |
| 177 |
| 178 /* should lut8Type and lut16Type be different types? */ |
| 179 struct lutType { // used by lut8Type/lut16Type (mft2) only |
| 180 uint8_t num_input_channels; |
| 181 uint8_t num_output_channels; |
| 182 uint8_t num_clut_grid_points; |
| 183 |
| 184 s15Fixed16Number e00; |
| 185 s15Fixed16Number e01; |
| 186 s15Fixed16Number e02; |
| 187 s15Fixed16Number e10; |
| 188 s15Fixed16Number e11; |
| 189 s15Fixed16Number e12; |
| 190 s15Fixed16Number e20; |
| 191 s15Fixed16Number e21; |
| 192 s15Fixed16Number e22; |
| 193 |
| 194 uint16_t num_input_table_entries; |
| 195 uint16_t num_output_table_entries; |
| 196 |
| 197 float *input_table; |
| 198 float *clut_table; |
| 199 float *output_table; |
| 200 |
| 201 float table_data[]; |
| 202 }; |
| 203 #if 0 |
| 204 /* this is from an intial idea of having the struct correspond to the data in |
| 205 * the file. I decided that it wasn't a good idea. |
| 206 */ |
| 207 struct tag_value { |
| 208 uint32_t type; |
| 209 union { |
| 210 struct { |
| 211 uint32_t reserved; |
| 212 struct { |
| 213 s15Fixed16Number X; |
| 214 s15Fixed16Number Y; |
| 215 s15Fixed16Number Z; |
| 216 } XYZNumber; |
| 217 } XYZType; |
| 218 }; |
| 219 }; // I guess we need to pack this? |
| 220 #endif |
| 221 |
| 222 #define RGB_SIGNATURE 0x52474220 |
| 223 #define GRAY_SIGNATURE 0x47524159 |
| 224 #define XYZ_SIGNATURE 0x58595A20 |
| 225 #define LAB_SIGNATURE 0x4C616220 |
| 226 |
| 227 struct _qcms_profile { |
| 228 uint32_t class; |
| 229 uint32_t color_space; |
| 230 uint32_t pcs; |
| 231 qcms_intent rendering_intent; |
| 232 struct XYZNumber redColorant; |
| 233 struct XYZNumber blueColorant; |
| 234 struct XYZNumber greenColorant; |
| 235 struct curveType *redTRC; |
| 236 struct curveType *blueTRC; |
| 237 struct curveType *greenTRC; |
| 238 struct curveType *grayTRC; |
| 239 struct lutType *A2B0; |
| 240 struct lutType *B2A0; |
| 241 struct lutmABType *mAB; |
| 242 struct lutmABType *mBA; |
| 243 struct matrix chromaticAdaption; |
| 244 |
| 245 struct precache_output *output_table_r; |
| 246 struct precache_output *output_table_g; |
| 247 struct precache_output *output_table_b; |
| 248 }; |
| 249 |
| 250 #ifdef _MSC_VER |
| 251 #define inline _inline |
| 252 #endif |
| 253 |
| 254 /* produces the nearest float to 'a' with a maximum error |
| 255 * of 1/1024 which happens for large values like 0x40000040 */ |
| 256 static inline float s15Fixed16Number_to_float(s15Fixed16Number a) |
| 257 { |
| 258 return ((int32_t)a)/65536.f; |
| 259 } |
| 260 |
| 261 static inline s15Fixed16Number double_to_s15Fixed16Number(double v) |
| 262 { |
| 263 return (int32_t)(v*65536); |
| 264 } |
| 265 |
| 266 static inline float uInt8Number_to_float(uInt8Number a) |
| 267 { |
| 268 return ((int32_t)a)/255.f; |
| 269 } |
| 270 |
| 271 static inline float uInt16Number_to_float(uInt16Number a) |
| 272 { |
| 273 return ((int32_t)a)/65535.f; |
| 274 } |
| 275 |
| 276 |
| 277 void precache_release(struct precache_output *p); |
| 278 qcms_bool set_rgb_colorants(qcms_profile *profile, qcms_CIE_xyY white_point, qcm
s_CIE_xyYTRIPLE primaries); |
| 279 |
| 280 void qcms_transform_data_rgb_out_lut_sse2(qcms_transform *transform, |
| 281 unsigned char *src, |
| 282 unsigned char *dest, |
| 283 size_t length); |
| 284 void qcms_transform_data_rgba_out_lut_sse2(qcms_transform *transform, |
| 285 unsigned char *src, |
| 286 unsigned char *dest, |
| 287 size_t length); |
| 288 void qcms_transform_data_rgb_out_lut_sse1(qcms_transform *transform, |
| 289 unsigned char *src, |
| 290 unsigned char *dest, |
| 291 size_t length); |
| 292 void qcms_transform_data_rgba_out_lut_sse1(qcms_transform *transform, |
| 293 unsigned char *src, |
| 294 unsigned char *dest, |
| 295 size_t length); |
| 296 |
| 297 extern qcms_bool qcms_supports_iccv4; |
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