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# ifdef SK_BUILD_FOR_WIN 111# define SK_CRASH() __debugbreak() 112# else 113# if 1 // set to 0 for infinite loop, which can help connecting gdb 114# define SK_CRASH() do { SkNO_RETURN_HINT(); *(int *)(uintptr_t)0xbbadbeef = 0; } while (false) 115# else 116# define SK_CRASH() do { SkNO_RETURN_HINT(); } while (true) 117# endif 118# endif 119#endif 120 121/////////////////////////////////////////////////////////////////////////////// 122 123/** 124 * SK_ENABLE_INST_COUNT controlls printing how many reference counted objects 125 * are still held on exit. 126 * Defaults to 1 in DEBUG and 0 in RELEASE. 127 */ 128#ifndef SK_ENABLE_INST_COUNT 129# ifdef SK_DEBUG 130// Only enabled for static builds, because instance counting relies on static 131// variables in functions defined in header files. 132# define SK_ENABLE_INST_COUNT !defined(SKIA_DLL) 133# else 134# define SK_ENABLE_INST_COUNT 0 135# endif 136#endif 137 138/////////////////////////////////////////////////////////////////////////////// 139 140#ifdef SK_BUILD_FOR_WIN 141# ifndef WIN32_LEAN_AND_MEAN 142# define WIN32_LEAN_AND_MEAN 143# define WIN32_IS_MEAN_WAS_LOCALLY_DEFINED 144# endif 145# ifndef NOMINMAX 146# define NOMINMAX 147# define NOMINMAX_WAS_LOCALLY_DEFINED 148# endif 149# 150# include <windows.h> 151# 152# ifdef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED 153# undef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED 154# undef WIN32_LEAN_AND_MEAN 155# endif 156# ifdef NOMINMAX_WAS_LOCALLY_DEFINED 157# undef NOMINMAX_WAS_LOCALLY_DEFINED 158# undef NOMINMAX 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#endif 169 170#ifndef SK_ALWAYSBREAK 171# ifdef SK_DEBUG 172# define SK_ALWAYSBREAK(cond) do { \ 173 if (cond) break; \ 174 SkNO_RETURN_HINT(); \ 175 SkDebugf("%s:%d: failed assertion \"%s\"\n", __FILE__, __LINE__, #cond); \ 176 SK_CRASH(); \ 177 } while (false) 178# else 179# define SK_ALWAYSBREAK(cond) do { if (cond) break; SK_CRASH(); } while (false) 180# endif 181#endif 182 183/** 184 * We check to see if the SHIFT value has already been defined. 185 * if not, we define it ourself to some default values. We default to OpenGL 186 * order (in memory: r,g,b,a) 187 */ 188#ifndef SK_A32_SHIFT 189# ifdef SK_CPU_BENDIAN 190# define SK_R32_SHIFT 24 191# define SK_G32_SHIFT 16 192# define SK_B32_SHIFT 8 193# define SK_A32_SHIFT 0 194# else 195# define SK_R32_SHIFT 0 196# define SK_G32_SHIFT 8 197# define SK_B32_SHIFT 16 198# define SK_A32_SHIFT 24 199# endif 200#endif 201 202/** 203 * SkColor has well defined shift values, but SkPMColor is configurable. This 204 * macro is a convenience that returns true if the shift values are equal while 205 * ignoring the machine's endianness. 206 */ 207#define SK_COLOR_MATCHES_PMCOLOR_BYTE_ORDER \ 208 (SK_A32_SHIFT == 24 && SK_R32_SHIFT == 16 && SK_G32_SHIFT == 8 && SK_B32_SHIFT == 0) 209 210/** 211 * SK_PMCOLOR_BYTE_ORDER can be used to query the byte order of SkPMColor at compile time. The 212 * relationship between the byte order and shift values depends on machine endianness. If the shift 213 * order is R=0, G=8, B=16, A=24 then ((char*)&pmcolor)[0] will produce the R channel on a little 214 * endian machine and the A channel on a big endian machine. Thus, given those shifts values, 215 * SK_PMCOLOR_BYTE_ORDER(R,G,B,A) will be true on a little endian machine and 216 * SK_PMCOLOR_BYTE_ORDER(A,B,G,R) will be true on a big endian machine. 217 */ 218#ifdef SK_CPU_BENDIAN 219# define SK_PMCOLOR_BYTE_ORDER(C0, C1, C2, C3) \ 220 (SK_ ## C3 ## 32_SHIFT == 0 && \ 221 SK_ ## C2 ## 32_SHIFT == 8 && \ 222 SK_ ## C1 ## 32_SHIFT == 16 && \ 223 SK_ ## C0 ## 32_SHIFT == 24) 224#else 225# define SK_PMCOLOR_BYTE_ORDER(C0, C1, C2, C3) \ 226 (SK_ ## C0 ## 32_SHIFT == 0 && \ 227 SK_ ## C1 ## 32_SHIFT == 8 && \ 228 SK_ ## C2 ## 32_SHIFT == 16 && \ 229 SK_ ## C3 ## 32_SHIFT == 24) 230#endif 231 232////////////////////////////////////////////////////////////////////// 233 234// TODO: rebaseline as needed so we can remove this flag entirely. 235// - all platforms have int64_t now 236// - we have slightly different fixed math results because of this check 237// since we don't define this for linux/android 238#if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_MAC) 239# ifndef SkLONGLONG 240# define SkLONGLONG int64_t 241# endif 242#endif 243 244////////////////////////////////////////////////////////////////////////////////////////////// 245#ifndef SK_BUILD_FOR_WINCE 246# include <string.h> 247# include <stdlib.h> 248#else 249# define _CMNINTRIN_DECLARE_ONLY 250# include "cmnintrin.h" 251#endif 252 253#if defined SK_DEBUG && defined SK_BUILD_FOR_WIN32 254# ifdef free 255# undef free 256# endif 257# include <crtdbg.h> 258# undef free 259# 260# ifdef SK_DEBUGx 261# if defined(SK_SIMULATE_FAILED_MALLOC) && defined(__cplusplus) 262 void * operator new( 263 size_t cb, 264 int nBlockUse, 265 const char * szFileName, 266 int nLine, 267 int foo 268 ); 269 void * operator new[]( 270 size_t cb, 271 int nBlockUse, 272 const char * szFileName, 273 int nLine, 274 int foo 275 ); 276 void operator delete( 277 void *pUserData, 278 int, const char*, int, int 279 ); 280 void operator delete( 281 void *pUserData 282 ); 283 void operator delete[]( void * p ); 284# define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__, 0) 285# else 286# define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__) 287# endif 288# define new DEBUG_CLIENTBLOCK 289# else 290# define DEBUG_CLIENTBLOCK 291# endif 292#endif 293 294////////////////////////////////////////////////////////////////////// 295 296#ifndef SK_OVERRIDE 297# if defined(_MSC_VER) 298# define SK_OVERRIDE override 299# elif defined(__clang__) 300 // Using __attribute__((override)) on clang does not appear to always work. 301 // Clang defaults to C++03 and warns about using override. Squelch that. Intentionally no 302 // push/pop here so all users of SK_OVERRIDE ignore the warning too. This is like passing 303 // -Wno-c++11-extensions, except that GCC won't die (because it won't see this pragma). 304# pragma clang diagnostic ignored "-Wc++11-extensions" 305# 306# if __has_feature(cxx_override_control) 307# define SK_OVERRIDE override 308# elif defined(__has_extension) && __has_extension(cxx_override_control) 309# define SK_OVERRIDE override 310# endif 311# endif 312# ifndef SK_OVERRIDE 313# define SK_OVERRIDE 314# endif 315#endif 316 317////////////////////////////////////////////////////////////////////// 318 319#if !defined(SK_UNUSED) 320# define SK_UNUSED SK_ATTRIBUTE(unused) 321#endif 322 323#if !defined(SK_ATTR_DEPRECATED) 324 // FIXME: we ignore msg for now... 325# define SK_ATTR_DEPRECATED(msg) SK_ATTRIBUTE(deprecated) 326#endif 327 328#if !defined(SK_ATTR_EXTERNALLY_DEPRECATED) 329# if !defined(SK_INTERNAL) 330# define SK_ATTR_EXTERNALLY_DEPRECATED(msg) SK_ATTR_DEPRECATED(msg) 331# else 332# define SK_ATTR_EXTERNALLY_DEPRECATED(msg) 333# endif 334#endif 335 336/** 337 * If your judgment is better than the compiler's (i.e. you've profiled it), 338 * you can use SK_ALWAYS_INLINE to force inlining. E.g. 339 * inline void someMethod() { ... } // may not be inlined 340 * SK_ALWAYS_INLINE void someMethod() { ... } // should always be inlined 341 */ 342#if !defined(SK_ALWAYS_INLINE) 343# if defined(SK_BUILD_FOR_WIN) 344# define SK_ALWAYS_INLINE __forceinline 345# else 346# define SK_ALWAYS_INLINE SK_ATTRIBUTE(always_inline) inline 347# endif 348#endif 349 350////////////////////////////////////////////////////////////////////// 351 352#if defined(__clang__) || defined(__GNUC__) 353# define SK_PREFETCH(ptr) __builtin_prefetch(ptr) 354# define SK_WRITE_PREFETCH(ptr) __builtin_prefetch(ptr, 1) 355#else 356# define SK_PREFETCH(ptr) 357# define SK_WRITE_PREFETCH(ptr) 358#endif 359 360////////////////////////////////////////////////////////////////////// 361 362#ifndef SK_PRINTF_LIKE 363# if defined(__clang__) || defined(__GNUC__) 364# define SK_PRINTF_LIKE(A, B) __attribute__((format(printf, (A), (B)))) 365# else 366# define SK_PRINTF_LIKE(A, B) 367# endif 368#endif 369 370////////////////////////////////////////////////////////////////////// 371 372#ifndef SK_SIZE_T_SPECIFIER 373# if defined(_MSC_VER) 374# define SK_SIZE_T_SPECIFIER "%Iu" 375# else 376# define SK_SIZE_T_SPECIFIER "%zu" 377# endif 378#endif 379 380////////////////////////////////////////////////////////////////////// 381 382#ifndef SK_ALLOW_STATIC_GLOBAL_INITIALIZERS 383# define SK_ALLOW_STATIC_GLOBAL_INITIALIZERS 1 384#endif 385 386////////////////////////////////////////////////////////////////////// 387 388#ifndef SK_ATOMICS_PLATFORM_H 389# if defined(_MSC_VER) 390# define SK_ATOMICS_PLATFORM_H "../../src/ports/SkAtomics_win.h" 391# else 392# define SK_ATOMICS_PLATFORM_H "../../src/ports/SkAtomics_sync.h" 393# endif 394#endif 395 396#ifndef SK_MUTEX_PLATFORM_H 397# if defined(SK_BUILD_FOR_WIN) 398# define SK_MUTEX_PLATFORM_H "../../src/ports/SkMutex_win.h" 399# else 400# define SK_MUTEX_PLATFORM_H "../../src/ports/SkMutex_pthread.h" 401# endif 402#endif 403 404#ifndef SK_BARRIERS_PLATFORM_H 405# if SK_HAS_COMPILER_FEATURE(thread_sanitizer) 406# define SK_BARRIERS_PLATFORM_H "../../src/ports/SkBarriers_tsan.h" 407# elif defined(SK_CPU_ARM32) || defined(SK_CPU_ARM64) 408# define SK_BARRIERS_PLATFORM_H "../../src/ports/SkBarriers_arm.h" 409# else 410# define SK_BARRIERS_PLATFORM_H "../../src/ports/SkBarriers_x86.h" 411# endif 412#endif 413 414 415////////////////////////////////////////////////////////////////////// 416 417#if defined(SK_GAMMA_EXPONENT) && defined(SK_GAMMA_SRGB) 418# error "cannot define both SK_GAMMA_EXPONENT and SK_GAMMA_SRGB" 419#elif defined(SK_GAMMA_SRGB) 420# define SK_GAMMA_EXPONENT (0.0f) 421#elif !defined(SK_GAMMA_EXPONENT) 422# define SK_GAMMA_EXPONENT (2.2f) 423#endif 424 425#endif // SkPostConfig_DEFINED 426