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comparison: gfx/skia/trunk/include/core/SkPostConfig.h
gfx/skia/trunk/include/core/SkPostConfig.h
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| -1:000000000000 | 0:37dc52c30b25 |
|---|---|
| 1 /* | |
| 2 * Copyright 2006 The Android Open Source Project | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #ifndef SkPostConfig_DEFINED | |
| 9 #define SkPostConfig_DEFINED | |
| 10 | |
| 11 #if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_WINCE) | |
| 12 # define SK_BUILD_FOR_WIN | |
| 13 #endif | |
| 14 | |
| 15 #if defined(SK_DEBUG) && defined(SK_RELEASE) | |
| 16 # error "cannot define both SK_DEBUG and SK_RELEASE" | |
| 17 #elif !defined(SK_DEBUG) && !defined(SK_RELEASE) | |
| 18 # error "must define either SK_DEBUG or SK_RELEASE" | |
| 19 #endif | |
| 20 | |
| 21 #if defined(SK_SUPPORT_UNITTEST) && !defined(SK_DEBUG) | |
| 22 # error "can't have unittests without debug" | |
| 23 #endif | |
| 24 | |
| 25 /** | |
| 26 * Matrix calculations may be float or double. | |
| 27 * The default is double, as that is faster given our impl uses doubles | |
| 28 * for intermediate calculations. | |
| 29 */ | |
| 30 #if defined(SK_MSCALAR_IS_DOUBLE) && defined(SK_MSCALAR_IS_FLOAT) | |
| 31 # error "cannot define both SK_MSCALAR_IS_DOUBLE and SK_MSCALAR_IS_FLOAT" | |
| 32 #elif !defined(SK_MSCALAR_IS_DOUBLE) && !defined(SK_MSCALAR_IS_FLOAT) | |
| 33 # define SK_MSCALAR_IS_DOUBLE | |
| 34 #endif | |
| 35 | |
| 36 #if defined(SK_CPU_LENDIAN) && defined(SK_CPU_BENDIAN) | |
| 37 # error "cannot define both SK_CPU_LENDIAN and SK_CPU_BENDIAN" | |
| 38 #elif !defined(SK_CPU_LENDIAN) && !defined(SK_CPU_BENDIAN) | |
| 39 # error "must define either SK_CPU_LENDIAN or SK_CPU_BENDIAN" | |
| 40 #endif | |
| 41 | |
| 42 /** | |
| 43 * Ensure the port has defined all of SK_X32_SHIFT, or none of them. | |
| 44 */ | |
| 45 #ifdef SK_A32_SHIFT | |
| 46 # if !defined(SK_R32_SHIFT) || !defined(SK_G32_SHIFT) || !defined(SK_B32_SHIFT) | |
| 47 # error "all or none of the 32bit SHIFT amounts must be defined" | |
| 48 # endif | |
| 49 #else | |
| 50 # if defined(SK_R32_SHIFT) || defined(SK_G32_SHIFT) || defined(SK_B32_SHIFT) | |
| 51 # error "all or none of the 32bit SHIFT amounts must be defined" | |
| 52 # endif | |
| 53 #endif | |
| 54 | |
| 55 #if !defined(SK_HAS_COMPILER_FEATURE) | |
| 56 # if defined(__has_feature) | |
| 57 # define SK_HAS_COMPILER_FEATURE(x) __has_feature(x) | |
| 58 # else | |
| 59 # define SK_HAS_COMPILER_FEATURE(x) 0 | |
| 60 # endif | |
| 61 #endif | |
| 62 | |
| 63 #if !defined(SK_ATTRIBUTE) | |
| 64 # if defined(__clang__) || defined(__GNUC__) | |
| 65 # define SK_ATTRIBUTE(attr) __attribute__((attr)) | |
| 66 # else | |
| 67 # define SK_ATTRIBUTE(attr) | |
| 68 # endif | |
| 69 #endif | |
| 70 | |
| 71 #if !defined(SK_SUPPORT_GPU) | |
| 72 # define SK_SUPPORT_GPU 1 | |
| 73 #endif | |
| 74 | |
| 75 /** | |
| 76 * The clang static analyzer likes to know that when the program is not | |
| 77 * expected to continue (crash, assertion failure, etc). It will notice that | |
| 78 * some combination of parameters lead to a function call that does not return. | |
| 79 * It can then make appropriate assumptions about the parameters in code | |
| 80 * executed only if the non-returning function was *not* called. | |
| 81 */ | |
| 82 #if !defined(SkNO_RETURN_HINT) | |
| 83 # if SK_HAS_COMPILER_FEATURE(attribute_analyzer_noreturn) | |
| 84 static inline void SkNO_RETURN_HINT() __attribute__((analyzer_noreturn)); | |
| 85 static inline void SkNO_RETURN_HINT() {} | |
| 86 # else | |
| 87 # define SkNO_RETURN_HINT() do {} while (false) | |
| 88 # endif | |
| 89 #endif | |
| 90 | |
| 91 #if defined(SK_ZLIB_INCLUDE) && defined(SK_SYSTEM_ZLIB) | |
| 92 # error "cannot define both SK_ZLIB_INCLUDE and SK_SYSTEM_ZLIB" | |
| 93 #elif defined(SK_ZLIB_INCLUDE) || defined(SK_SYSTEM_ZLIB) | |
| 94 # define SK_HAS_ZLIB | |
| 95 #endif | |
| 96 | |
| 97 /////////////////////////////////////////////////////////////////////////////// | |
| 98 | |
| 99 #ifndef SkNEW | |
| 100 # define SkNEW(type_name) (new type_name) | |
| 101 # define SkNEW_ARGS(type_name, args) (new type_name args) | |
| 102 # define SkNEW_ARRAY(type_name, count) (new type_name[(count)]) | |
| 103 # define SkNEW_PLACEMENT(buf, type_name) (new (buf) type_name) | |
| 104 # define SkNEW_PLACEMENT_ARGS(buf, type_name, args) (new (buf) type_name args) | |
| 105 # define SkDELETE(obj) (delete (obj)) | |
| 106 # define SkDELETE_ARRAY(array) (delete[] (array)) | |
| 107 #endif | |
| 108 | |
| 109 #ifndef SK_CRASH | |
| 110 # if 1 // set to 0 for infinite loop, which can help connecting gdb | |
| 111 # define SK_CRASH() do { SkNO_RETURN_HINT(); *(int *)(uintptr_t)0xbbadbeef = 0; } while (false) | |
| 112 # else | |
| 113 # define SK_CRASH() do { SkNO_RETURN_HINT(); } while (true) | |
| 114 # endif | |
| 115 #endif | |
| 116 | |
| 117 /////////////////////////////////////////////////////////////////////////////// | |
| 118 | |
| 119 /** | |
| 120 * SK_ENABLE_INST_COUNT controlls printing how many reference counted objects | |
| 121 * are still held on exit. | |
| 122 * Defaults to 1 in DEBUG and 0 in RELEASE. | |
| 123 */ | |
| 124 #ifndef SK_ENABLE_INST_COUNT | |
| 125 # ifdef SK_DEBUG | |
| 126 // Only enabled for static builds, because instance counting relies on static | |
| 127 // variables in functions defined in header files. | |
| 128 # define SK_ENABLE_INST_COUNT !defined(SKIA_DLL) | |
| 129 # else | |
| 130 # define SK_ENABLE_INST_COUNT 0 | |
| 131 # endif | |
| 132 #endif | |
| 133 | |
| 134 /////////////////////////////////////////////////////////////////////////////// | |
| 135 | |
| 136 #ifdef SK_BUILD_FOR_WIN | |
| 137 # ifndef WIN32_LEAN_AND_MEAN | |
| 138 # define WIN32_LEAN_AND_MEAN | |
| 139 # define WIN32_IS_MEAN_WAS_LOCALLY_DEFINED | |
| 140 # endif | |
| 141 # ifndef NOMINMAX | |
| 142 # define NOMINMAX | |
| 143 # define NOMINMAX_WAS_LOCALLY_DEFINED | |
| 144 # endif | |
| 145 # | |
| 146 # include <windows.h> | |
| 147 # | |
| 148 # ifdef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED | |
| 149 # undef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED | |
| 150 # undef WIN32_LEAN_AND_MEAN | |
| 151 # endif | |
| 152 # ifdef NOMINMAX_WAS_LOCALLY_DEFINED | |
| 153 # undef NOMINMAX_WAS_LOCALLY_DEFINED | |
| 154 # undef NOMINMAX | |
| 155 # endif | |
| 156 # | |
| 157 # ifndef SK_DEBUGBREAK | |
| 158 # define SK_DEBUGBREAK(p) do { if (!(p)) { SkNO_RETURN_HINT(); __debugbreak(); }} while (false) | |
| 159 # endif | |
| 160 # | |
| 161 # ifndef SK_A32_SHIFT | |
| 162 # define SK_A32_SHIFT 24 | |
| 163 # define SK_R32_SHIFT 16 | |
| 164 # define SK_G32_SHIFT 8 | |
| 165 # define SK_B32_SHIFT 0 | |
| 166 # endif | |
| 167 # | |
| 168 #else | |
| 169 # ifdef SK_DEBUG | |
| 170 # include <stdio.h> | |
| 171 # ifndef SK_DEBUGBREAK | |
| 172 # define SK_DEBUGBREAK(cond) do { if (cond) break; \ | |
| 173 SkDebugf("%s:%d: failed assertion \"%s\"\n", \ | |
| 174 __FILE__, __LINE__, #cond); SK_CRASH(); } while (false) | |
| 175 # endif | |
| 176 # endif | |
| 177 #endif | |
| 178 | |
| 179 /** | |
| 180 * We check to see if the SHIFT value has already been defined. | |
| 181 * if not, we define it ourself to some default values. We default to OpenGL | |
| 182 * order (in memory: r,g,b,a) | |
| 183 */ | |
| 184 #ifndef SK_A32_SHIFT | |
| 185 # ifdef SK_CPU_BENDIAN | |
| 186 # define SK_R32_SHIFT 24 | |
| 187 # define SK_G32_SHIFT 16 | |
| 188 # define SK_B32_SHIFT 8 | |
| 189 # define SK_A32_SHIFT 0 | |
| 190 # else | |
| 191 # define SK_R32_SHIFT 0 | |
| 192 # define SK_G32_SHIFT 8 | |
| 193 # define SK_B32_SHIFT 16 | |
| 194 # define SK_A32_SHIFT 24 | |
| 195 # endif | |
| 196 #endif | |
| 197 | |
| 198 /** | |
| 199 * SkColor has well defined shift values, but SkPMColor is configurable. This | |
| 200 * macro is a convenience that returns true if the shift values are equal while | |
| 201 * ignoring the machine's endianness. | |
| 202 */ | |
| 203 #define SK_COLOR_MATCHES_PMCOLOR_BYTE_ORDER \ | |
| 204 (SK_A32_SHIFT == 24 && SK_R32_SHIFT == 16 && SK_G32_SHIFT == 8 && SK_B32_SHIFT == 0) | |
| 205 | |
| 206 /** | |
| 207 * SK_PMCOLOR_BYTE_ORDER can be used to query the byte order of SkPMColor at compile time. The | |
| 208 * relationship between the byte order and shift values depends on machine endianness. If the shift | |
| 209 * order is R=0, G=8, B=16, A=24 then ((char*)&pmcolor)[0] will produce the R channel on a little | |
| 210 * endian machine and the A channel on a big endian machine. Thus, given those shifts values, | |
| 211 * SK_PMCOLOR_BYTE_ORDER(R,G,B,A) will be true on a little endian machine and | |
| 212 * SK_PMCOLOR_BYTE_ORDER(A,B,G,R) will be true on a big endian machine. | |
| 213 */ | |
| 214 #ifdef SK_CPU_BENDIAN | |
| 215 # define SK_PMCOLOR_BYTE_ORDER(C0, C1, C2, C3) \ | |
| 216 (SK_ ## C3 ## 32_SHIFT == 0 && \ | |
| 217 SK_ ## C2 ## 32_SHIFT == 8 && \ | |
| 218 SK_ ## C1 ## 32_SHIFT == 16 && \ | |
| 219 SK_ ## C0 ## 32_SHIFT == 24) | |
| 220 #else | |
| 221 # define SK_PMCOLOR_BYTE_ORDER(C0, C1, C2, C3) \ | |
| 222 (SK_ ## C0 ## 32_SHIFT == 0 && \ | |
| 223 SK_ ## C1 ## 32_SHIFT == 8 && \ | |
| 224 SK_ ## C2 ## 32_SHIFT == 16 && \ | |
| 225 SK_ ## C3 ## 32_SHIFT == 24) | |
| 226 #endif | |
| 227 | |
| 228 ////////////////////////////////////////////////////////////////////// | |
| 229 | |
| 230 // TODO: rebaseline as needed so we can remove this flag entirely. | |
| 231 // - all platforms have int64_t now | |
| 232 // - we have slightly different fixed math results because of this check | |
| 233 // since we don't define this for linux/android | |
| 234 #if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_MAC) | |
| 235 # ifndef SkLONGLONG | |
| 236 # define SkLONGLONG int64_t | |
| 237 # endif | |
| 238 #endif | |
| 239 | |
| 240 ////////////////////////////////////////////////////////////////////////////////////////////// | |
| 241 #ifndef SK_BUILD_FOR_WINCE | |
| 242 # include <string.h> | |
| 243 # include <stdlib.h> | |
| 244 #else | |
| 245 # define _CMNINTRIN_DECLARE_ONLY | |
| 246 # include "cmnintrin.h" | |
| 247 #endif | |
| 248 | |
| 249 #if defined SK_DEBUG && defined SK_BUILD_FOR_WIN32 | |
| 250 # ifdef free | |
| 251 # undef free | |
| 252 # endif | |
| 253 # include <crtdbg.h> | |
| 254 # undef free | |
| 255 # | |
| 256 # ifdef SK_DEBUGx | |
| 257 # if defined(SK_SIMULATE_FAILED_MALLOC) && defined(__cplusplus) | |
| 258 void * operator new( | |
| 259 size_t cb, | |
| 260 int nBlockUse, | |
| 261 const char * szFileName, | |
| 262 int nLine, | |
| 263 int foo | |
| 264 ); | |
| 265 void * operator new[]( | |
| 266 size_t cb, | |
| 267 int nBlockUse, | |
| 268 const char * szFileName, | |
| 269 int nLine, | |
| 270 int foo | |
| 271 ); | |
| 272 void operator delete( | |
| 273 void *pUserData, | |
| 274 int, const char*, int, int | |
| 275 ); | |
| 276 void operator delete( | |
| 277 void *pUserData | |
| 278 ); | |
| 279 void operator delete[]( void * p ); | |
| 280 # define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__, 0) | |
| 281 # else | |
| 282 # define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__) | |
| 283 # endif | |
| 284 # define new DEBUG_CLIENTBLOCK | |
| 285 # else | |
| 286 # define DEBUG_CLIENTBLOCK | |
| 287 # endif | |
| 288 #endif | |
| 289 | |
| 290 ////////////////////////////////////////////////////////////////////// | |
| 291 | |
| 292 #ifndef SK_OVERRIDE | |
| 293 # if defined(_MSC_VER) | |
| 294 # define SK_OVERRIDE override | |
| 295 # elif defined(__clang__) | |
| 296 // Using __attribute__((override)) on clang does not appear to always work. | |
| 297 // Clang defaults to C++03 and warns about using override. Squelch that. Intentionally no | |
| 298 // push/pop here so all users of SK_OVERRIDE ignore the warning too. This is like passing | |
| 299 // -Wno-c++11-extensions, except that GCC won't die (because it won't see this pragma). | |
| 300 # pragma clang diagnostic ignored "-Wc++11-extensions" | |
| 301 # | |
| 302 # if __has_feature(cxx_override_control) | |
| 303 # define SK_OVERRIDE override | |
| 304 # elif defined(__has_extension) && __has_extension(cxx_override_control) | |
| 305 # define SK_OVERRIDE override | |
| 306 # endif | |
| 307 # endif | |
| 308 # ifndef SK_OVERRIDE | |
| 309 # define SK_OVERRIDE | |
| 310 # endif | |
| 311 #endif | |
| 312 | |
| 313 ////////////////////////////////////////////////////////////////////// | |
| 314 | |
| 315 #if !defined(SK_UNUSED) | |
| 316 # define SK_UNUSED SK_ATTRIBUTE(unused) | |
| 317 #endif | |
| 318 | |
| 319 #if !defined(SK_ATTR_DEPRECATED) | |
| 320 // FIXME: we ignore msg for now... | |
| 321 # define SK_ATTR_DEPRECATED(msg) SK_ATTRIBUTE(deprecated) | |
| 322 #endif | |
| 323 | |
| 324 /** | |
| 325 * If your judgment is better than the compiler's (i.e. you've profiled it), | |
| 326 * you can use SK_ALWAYS_INLINE to force inlining. E.g. | |
| 327 * inline void someMethod() { ... } // may not be inlined | |
| 328 * SK_ALWAYS_INLINE void someMethod() { ... } // should always be inlined | |
| 329 */ | |
| 330 #if !defined(SK_ALWAYS_INLINE) | |
| 331 # if defined(SK_BUILD_FOR_WIN) | |
| 332 # define SK_ALWAYS_INLINE __forceinline | |
| 333 # else | |
| 334 # define SK_ALWAYS_INLINE SK_ATTRIBUTE(always_inline) inline | |
| 335 # endif | |
| 336 #endif | |
| 337 | |
| 338 ////////////////////////////////////////////////////////////////////// | |
| 339 | |
| 340 #if defined(__clang__) || defined(__GNUC__) | |
| 341 # define SK_PREFETCH(ptr) __builtin_prefetch(ptr) | |
| 342 # define SK_WRITE_PREFETCH(ptr) __builtin_prefetch(ptr, 1) | |
| 343 #else | |
| 344 # define SK_PREFETCH(ptr) | |
| 345 # define SK_WRITE_PREFETCH(ptr) | |
| 346 #endif | |
| 347 | |
| 348 ////////////////////////////////////////////////////////////////////// | |
| 349 | |
| 350 #ifndef SK_PRINTF_LIKE | |
| 351 # if defined(__clang__) || defined(__GNUC__) | |
| 352 # define SK_PRINTF_LIKE(A, B) __attribute__((format(printf, (A), (B)))) | |
| 353 # else | |
| 354 # define SK_PRINTF_LIKE(A, B) | |
| 355 # endif | |
| 356 #endif | |
| 357 | |
| 358 ////////////////////////////////////////////////////////////////////// | |
| 359 | |
| 360 #ifndef SK_SIZE_T_SPECIFIER | |
| 361 # if defined(_MSC_VER) | |
| 362 # define SK_SIZE_T_SPECIFIER "%Iu" | |
| 363 # else | |
| 364 # define SK_SIZE_T_SPECIFIER "%zu" | |
| 365 # endif | |
| 366 #endif | |
| 367 | |
| 368 ////////////////////////////////////////////////////////////////////// | |
| 369 | |
| 370 #ifndef SK_ALLOW_STATIC_GLOBAL_INITIALIZERS | |
| 371 # define SK_ALLOW_STATIC_GLOBAL_INITIALIZERS 1 | |
| 372 #endif | |
| 373 | |
| 374 ////////////////////////////////////////////////////////////////////// | |
| 375 | |
| 376 #ifndef SK_ATOMICS_PLATFORM_H | |
| 377 # if defined(_MSC_VER) | |
| 378 # define SK_ATOMICS_PLATFORM_H "../../src/ports/SkAtomics_win.h" | |
| 379 # elif defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) | |
| 380 # define SK_ATOMICS_PLATFORM_H "../../src/ports/SkAtomics_android.h" | |
| 381 # else | |
| 382 # define SK_ATOMICS_PLATFORM_H "../../src/ports/SkAtomics_sync.h" | |
| 383 # endif | |
| 384 #endif | |
| 385 | |
| 386 #ifndef SK_MUTEX_PLATFORM_H | |
| 387 # if defined(SK_BUILD_FOR_WIN) | |
| 388 # define SK_MUTEX_PLATFORM_H "../../src/ports/SkMutex_win.h" | |
| 389 # else | |
| 390 # define SK_MUTEX_PLATFORM_H "../../src/ports/SkMutex_pthread.h" | |
| 391 # endif | |
| 392 #endif | |
| 393 | |
| 394 #endif // SkPostConfig_DEFINED |
