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 char description[64];
234 uint32_t class;
235 uint32_t color_space;
236 uint32_t pcs;
237 qcms_intent rendering_intent;
238 struct XYZNumber redColorant;
239 struct XYZNumber blueColorant;
240 struct XYZNumber greenColorant;
241 struct curveType *redTRC;
242 struct curveType *blueTRC;
243 struct curveType *greenTRC;
244 struct curveType *grayTRC;
245 struct lutType *A2B0;
246 struct lutType *B2A0;
247 struct lutmABType *mAB;
248 struct lutmABType *mBA;
249 struct matrix chromaticAdaption;
250
251 struct precache_output *output_table_r;
252 struct precache_output *output_table_g;
253 struct precache_output *output_table_b;
254 };
255
256 #ifdef _MSC_VER
257 #define inline _inline
258 #endif
259
260 /* produces the nearest float to 'a' with a maximum error
261 * of 1/1024 which happens for large values like 0x40000040 */
s15Fixed16Number_to_float(s15Fixed16Number a)262 static inline float s15Fixed16Number_to_float(s15Fixed16Number a)
263 {
264 return ((int32_t)a)/65536.f;
265 }
266
double_to_s15Fixed16Number(double v)267 static inline s15Fixed16Number double_to_s15Fixed16Number(double v)
268 {
269 return (int32_t)(v*65536);
270 }
271
uInt8Number_to_float(uInt8Number a)272 static inline float uInt8Number_to_float(uInt8Number a)
273 {
274 return ((int32_t)a)/255.f;
275 }
276
uInt16Number_to_float(uInt16Number a)277 static inline float uInt16Number_to_float(uInt16Number a)
278 {
279 return ((int32_t)a)/65535.f;
280 }
281
282
283 void precache_release(struct precache_output *p);
284 qcms_bool set_rgb_colorants(qcms_profile *profile, qcms_CIE_xyY white_point, qcms_CIE_xyYTRIPLE primaries);
285
286 void qcms_transform_data_rgb_out_lut_sse2(qcms_transform *transform,
287 unsigned char *src,
288 unsigned char *dest,
289 size_t length,
290 qcms_format_type output_format);
291 void qcms_transform_data_rgba_out_lut_sse2(qcms_transform *transform,
292 unsigned char *src,
293 unsigned char *dest,
294 size_t length,
295 qcms_format_type output_format);
296 void qcms_transform_data_rgb_out_lut_sse1(qcms_transform *transform,
297 unsigned char *src,
298 unsigned char *dest,
299 size_t length,
300 qcms_format_type output_format);
301 void qcms_transform_data_rgba_out_lut_sse1(qcms_transform *transform,
302 unsigned char *src,
303 unsigned char *dest,
304 size_t length,
305 qcms_format_type output_format);
306
307 extern qcms_bool qcms_supports_iccv4;
308
309
310 #ifdef _MSC_VER
311
312 long __cdecl _InterlockedIncrement(long volatile *);
313 long __cdecl _InterlockedDecrement(long volatile *);
314 #pragma intrinsic(_InterlockedIncrement)
315 #pragma intrinsic(_InterlockedDecrement)
316
317 #define qcms_atomic_increment(x) _InterlockedIncrement((long volatile *)&x)
318 #define qcms_atomic_decrement(x) _InterlockedDecrement((long volatile*)&x)
319
320 #else
321
322 #define qcms_atomic_increment(x) __sync_add_and_fetch(&x, 1)
323 #define qcms_atomic_decrement(x) __sync_sub_and_fetch(&x, 1)
324
325 #endif
326