1 2 /* 3 * Copyright 2006 The Android Open Source Project 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 10 #ifndef SkPostConfig_DEFINED 11 #define SkPostConfig_DEFINED 12 13 #if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_WINCE) 14 #define SK_BUILD_FOR_WIN 15 #endif 16 17 #if defined(SK_DEBUG) && defined(SK_RELEASE) 18 #error "cannot define both SK_DEBUG and SK_RELEASE" 19 #elif !defined(SK_DEBUG) && !defined(SK_RELEASE) 20 #error "must define either SK_DEBUG or SK_RELEASE" 21 #endif 22 23 #if defined SK_SUPPORT_UNITTEST && !defined(SK_DEBUG) 24 #error "can't have unittests without debug" 25 #endif 26 27 #if defined(SK_SCALAR_IS_FIXED) && defined(SK_SCALAR_IS_FLOAT) 28 #error "cannot define both SK_SCALAR_IS_FIXED and SK_SCALAR_IS_FLOAT" 29 #elif !defined(SK_SCALAR_IS_FIXED) && !defined(SK_SCALAR_IS_FLOAT) 30 #define SK_SCALAR_IS_FLOAT 31 #endif 32 33 #if defined(SK_MSCALAR_IS_DOUBLE) && defined(SK_MSCALAR_IS_FLOAT) 34 #error "cannot define both SK_MSCALAR_IS_DOUBLE and SK_MSCALAR_IS_FLOAT" 35 #elif !defined(SK_MSCALAR_IS_DOUBLE) && !defined(SK_MSCALAR_IS_FLOAT) 36 // default is double, as that is faster given our impl uses doubles 37 // for intermediate calculations. 38 #define SK_MSCALAR_IS_DOUBLE 39 #endif 40 41 #if defined(SK_CPU_LENDIAN) && defined(SK_CPU_BENDIAN) 42 #error "cannot define both SK_CPU_LENDIAN and SK_CPU_BENDIAN" 43 #elif !defined(SK_CPU_LENDIAN) && !defined(SK_CPU_BENDIAN) 44 #error "must define either SK_CPU_LENDIAN or SK_CPU_BENDIAN" 45 #endif 46 47 // ensure the port has defined all of these, or none of them 48 #ifdef SK_A32_SHIFT 49 #if !defined(SK_R32_SHIFT) || !defined(SK_G32_SHIFT) || !defined(SK_B32_SHIFT) 50 #error "all or none of the 32bit SHIFT amounts must be defined" 51 #endif 52 #else 53 #if defined(SK_R32_SHIFT) || defined(SK_G32_SHIFT) || defined(SK_B32_SHIFT) 54 #error "all or none of the 32bit SHIFT amounts must be defined" 55 #endif 56 #endif 57 58 #if !defined(SK_HAS_COMPILER_FEATURE) 59 #if defined(__has_feature) 60 #define SK_HAS_COMPILER_FEATURE(x) __has_feature(x) 61 #else 62 #define SK_HAS_COMPILER_FEATURE(x) 0 63 #endif 64 #endif 65 66 #if !defined(SK_SUPPORT_GPU) 67 #define SK_SUPPORT_GPU 1 68 #endif 69 70 /** 71 * The clang static analyzer likes to know that when the program is not 72 * expected to continue (crash, assertion failure, etc). It will notice that 73 * some combination of parameters lead to a function call that does not return. 74 * It can then make appropriate assumptions about the parameters in code 75 * executed only if the non-returning function was *not* called. 76 */ 77 #if !defined(SkNO_RETURN_HINT) 78 #if SK_HAS_COMPILER_FEATURE(attribute_analyzer_noreturn) 79 static inline void SkNO_RETURN_HINT() __attribute__((analyzer_noreturn)); 80 static inline void SkNO_RETURN_HINT() {} 81 #else 82 #define SkNO_RETURN_HINT() do {} while (false) 83 #endif 84 #endif 85 86 #if defined(SK_ZLIB_INCLUDE) && defined(SK_SYSTEM_ZLIB) 87 #error "cannot define both SK_ZLIB_INCLUDE and SK_SYSTEM_ZLIB" 88 #elif defined(SK_ZLIB_INCLUDE) || defined(SK_SYSTEM_ZLIB) 89 #define SK_HAS_ZLIB 90 #endif 91 92 /////////////////////////////////////////////////////////////////////////////// 93 94 #ifndef SkNEW 95 #define SkNEW(type_name) (new type_name) 96 #define SkNEW_ARGS(type_name, args) (new type_name args) 97 #define SkNEW_ARRAY(type_name, count) (new type_name[(count)]) 98 #define SkNEW_PLACEMENT(buf, type_name) (new (buf) type_name) 99 #define SkNEW_PLACEMENT_ARGS(buf, type_name, args) \ 100 (new (buf) type_name args) 101 #define SkDELETE(obj) (delete (obj)) 102 #define SkDELETE_ARRAY(array) (delete[] (array)) 103 #endif 104 105 #ifndef SK_CRASH 106 #if 1 // set to 0 for infinite loop, which can help connecting gdb 107 #define SK_CRASH() do { SkNO_RETURN_HINT(); *(int *)(uintptr_t)0xbbadbeef = 0; } while (false) 108 #else 109 #define SK_CRASH() do { SkNO_RETURN_HINT(); } while (true) 110 #endif 111 #endif 112 113 /////////////////////////////////////////////////////////////////////////////// 114 115 // SK_ENABLE_INST_COUNT defaults to 1 in DEBUG and 0 in RELEASE 116 #ifndef SK_ENABLE_INST_COUNT 117 #ifdef SK_DEBUG 118 #define SK_ENABLE_INST_COUNT 1 119 #else 120 #define SK_ENABLE_INST_COUNT 0 121 #endif 122 #endif 123 124 /////////////////////////////////////////////////////////////////////////////// 125 126 #if defined(SK_SOFTWARE_FLOAT) && defined(SK_SCALAR_IS_FLOAT) 127 // if this is defined, we convert floats to 2scompliment ints for compares 128 #ifndef SK_SCALAR_SLOW_COMPARES 129 #define SK_SCALAR_SLOW_COMPARES 130 #endif 131 #ifndef SK_USE_FLOATBITS 132 #define SK_USE_FLOATBITS 133 #endif 134 #endif 135 136 #ifdef SK_BUILD_FOR_WIN 137 // we want lean_and_mean when we include windows.h 138 #ifndef WIN32_LEAN_AND_MEAN 139 #define WIN32_LEAN_AND_MEAN 140 #define WIN32_IS_MEAN_WAS_LOCALLY_DEFINED 141 #endif 142 143 #include <windows.h> 144 145 #ifdef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED 146 #undef WIN32_LEAN_AND_MEAN 147 #endif 148 149 #ifndef SK_DEBUGBREAK 150 #define SK_DEBUGBREAK(cond) do { if (!(cond)) { SkNO_RETURN_HINT(); __debugbreak(); }} while (false) 151 #endif 152 153 #ifndef SK_A32_SHIFT 154 #define SK_A32_SHIFT 24 155 #define SK_R32_SHIFT 16 156 #define SK_G32_SHIFT 8 157 #define SK_B32_SHIFT 0 158 #endif 159 160 #elif defined(SK_BUILD_FOR_MAC) 161 #ifndef SK_DEBUGBREAK 162 #define SK_DEBUGBREAK(cond) do { if (!(cond)) SK_CRASH(); } while (false) 163 #endif 164 #else 165 #ifdef SK_DEBUG 166 #include <stdio.h> 167 #ifndef SK_DEBUGBREAK 168 #define SK_DEBUGBREAK(cond) do { if (cond) break; \ 169 SkDebugf("%s:%d: failed assertion \"%s\"\n", \ 170 __FILE__, __LINE__, #cond); SK_CRASH(); } while (false) 171 #endif 172 #endif 173 #endif 174 175 /* 176 * We check to see if the SHIFT value has already been defined. 177 * if not, we define it ourself to some default values. We default to OpenGL 178 * order (in memory: r,g,b,a) 179 */ 180 #ifndef SK_A32_SHIFT 181 #ifdef SK_CPU_BENDIAN 182 #define SK_R32_SHIFT 24 183 #define SK_G32_SHIFT 16 184 #define SK_B32_SHIFT 8 185 #define SK_A32_SHIFT 0 186 #else 187 #define SK_R32_SHIFT 0 188 #define SK_G32_SHIFT 8 189 #define SK_B32_SHIFT 16 190 #define SK_A32_SHIFT 24 191 #endif 192 #endif 193 194 // stdlib macros 195 196 #if 0 197 #if !defined(strlen) && defined(SK_DEBUG) 198 extern size_t sk_strlen(const char*); 199 #define strlen(s) sk_strlen(s) 200 #endif 201 #ifndef sk_strcpy 202 #define sk_strcpy(dst, src) strcpy(dst, src) 203 #endif 204 #ifndef sk_strchr 205 #define sk_strchr(s, c) strchr(s, c) 206 #endif 207 #ifndef sk_strrchr 208 #define sk_strrchr(s, c) strrchr(s, c) 209 #endif 210 #ifndef sk_strcmp 211 #define sk_strcmp(s, t) strcmp(s, t) 212 #endif 213 #ifndef sk_strncmp 214 #define sk_strncmp(s, t, n) strncmp(s, t, n) 215 #endif 216 #ifndef sk_memcpy 217 #define sk_memcpy(dst, src, n) memcpy(dst, src, n) 218 #endif 219 #ifndef memmove 220 #define memmove(dst, src, n) memmove(dst, src, n) 221 #endif 222 #ifndef sk_memset 223 #define sk_memset(dst, val, n) memset(dst, val, n) 224 #endif 225 #ifndef sk_memcmp 226 #define sk_memcmp(s, t, n) memcmp(s, t, n) 227 #endif 228 229 #define sk_strequal(s, t) (!sk_strcmp(s, t)) 230 #define sk_strnequal(s, t, n) (!sk_strncmp(s, t, n)) 231 #endif 232 233 ////////////////////////////////////////////////////////////////////// 234 235 #if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_MAC) 236 #ifndef SkLONGLONG 237 #ifdef SK_BUILD_FOR_WIN32 238 #define SkLONGLONG __int64 239 #else 240 #define SkLONGLONG long long 241 #endif 242 #endif 243 #endif 244 245 ////////////////////////////////////////////////////////////////////////////////////////////// 246 #ifndef SK_BUILD_FOR_WINCE 247 #include <string.h> 248 #include <stdlib.h> 249 #else 250 #define _CMNINTRIN_DECLARE_ONLY 251 #include "cmnintrin.h" 252 #endif 253 254 #if defined SK_DEBUG && defined SK_BUILD_FOR_WIN32 255 //#define _CRTDBG_MAP_ALLOC 256 #ifdef free 257 #undef free 258 #endif 259 #include <crtdbg.h> 260 #undef free 261 262 #ifdef SK_DEBUGx 263 #if defined(SK_SIMULATE_FAILED_MALLOC) && defined(__cplusplus) 264 void * operator new( 265 size_t cb, 266 int nBlockUse, 267 const char * szFileName, 268 int nLine, 269 int foo 270 ); 271 void * operator new[]( 272 size_t cb, 273 int nBlockUse, 274 const char * szFileName, 275 int nLine, 276 int foo 277 ); 278 void operator delete( 279 void *pUserData, 280 int, const char*, int, int 281 ); 282 void operator delete( 283 void *pUserData 284 ); 285 void operator delete[]( void * p ); 286 #define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__, 0) 287 #else 288 #define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__) 289 #endif 290 #define new DEBUG_CLIENTBLOCK 291 #else 292 #define DEBUG_CLIENTBLOCK 293 #endif // _DEBUG 294 295 296 #endif 297 298 #endif 299 300 ////////////////////////////////////////////////////////////////////// 301 302 #ifndef SK_OVERRIDE 303 #if defined(_MSC_VER) 304 #define SK_OVERRIDE override 305 #elif defined(__clang__) && !defined(SK_BUILD_FOR_IOS) 306 #if __has_feature(cxx_override_control) 307 // Some documentation suggests we should be using __attribute__((override)), 308 // but it doesn't work. 309 #define SK_OVERRIDE override 310 #elif defined(__has_extension) 311 #if __has_extension(cxx_override_control) 312 #define SK_OVERRIDE override 313 #endif 314 #endif 315 #else 316 // Linux GCC ignores "__attribute__((override))" and rejects "override". 317 #define SK_OVERRIDE 318 #endif 319 #endif 320 321 ////////////////////////////////////////////////////////////////////// 322 323 #ifndef SK_PRINTF_LIKE 324 #if defined(__clang__) || defined(__GNUC__) 325 #define SK_PRINTF_LIKE(A, B) __attribute__((format(printf, (A), (B)))) 326 #else 327 #define SK_PRINTF_LIKE(A, B) 328 #endif 329 #endif 330 331 ////////////////////////////////////////////////////////////////////// 332 333 #ifndef SK_SIZE_T_SPECIFIER 334 #if defined(_MSC_VER) 335 #define SK_SIZE_T_SPECIFIER "%Iu" 336 #else 337 #define SK_SIZE_T_SPECIFIER "%zu" 338 #endif 339 #endif 340 341 ////////////////////////////////////////////////////////////////////// 342 343 #ifndef SK_ALLOW_STATIC_GLOBAL_INITIALIZERS 344 #define SK_ALLOW_STATIC_GLOBAL_INITIALIZERS 1 345 #endif 346
