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 #ifdef SK_CAN_USE_FLOAT 31 #define SK_SCALAR_IS_FLOAT 32 #else 33 #define SK_SCALAR_IS_FIXED 34 #endif 35 #endif 36 37 #if defined(SK_SCALAR_IS_FLOAT) && !defined(SK_CAN_USE_FLOAT) 38 #define SK_CAN_USE_FLOAT 39 // we do nothing in the else case: fixed-scalars can have floats or not 40 #endif 41 42 #if defined(SK_CPU_LENDIAN) && defined(SK_CPU_BENDIAN) 43 #error "cannot define both SK_CPU_LENDIAN and SK_CPU_BENDIAN" 44 #elif !defined(SK_CPU_LENDIAN) && !defined(SK_CPU_BENDIAN) 45 #error "must define either SK_CPU_LENDIAN or SK_CPU_BENDIAN" 46 #endif 47 48 // ensure the port has defined all of these, or none of them 49 #ifdef SK_A32_SHIFT 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 #else 54 #if defined(SK_R32_SHIFT) || defined(SK_G32_SHIFT) || defined(SK_B32_SHIFT) 55 #error "all or none of the 32bit SHIFT amounts must be defined" 56 #endif 57 #endif 58 59 #if !defined(SK_HAS_COMPILER_FEATURE) 60 #if defined(__has_feature) 61 #define SK_HAS_COMPILER_FEATURE(x) __has_feature(x) 62 #else 63 #define SK_HAS_COMPILER_FEATURE(x) 0 64 #endif 65 #endif 66 67 /** 68 * The clang static analyzer likes to know that when the program is not 69 * expected to continue (crash, assertion failure, etc). It will notice that 70 * some combination of parameters lead to a function call that does not return. 71 * It can then make appropriate assumptions about the parameters in code 72 * executed only if the non-returning function was *not* called. 73 */ 74 #if !defined(SkNO_RETURN_HINT) 75 #if SK_HAS_COMPILER_FEATURE(attribute_analyzer_noreturn) 76 namespace { 77 inline void SkNO_RETURN_HINT() __attribute__((analyzer_noreturn)); 78 void SkNO_RETURN_HINT() {} 79 } 80 #else 81 #define SkNO_RETURN_HINT() do {} while (false) 82 #endif 83 #endif 84 85 /////////////////////////////////////////////////////////////////////////////// 86 87 #ifndef SkNEW 88 #define SkNEW(type_name) new type_name 89 #define SkNEW_ARGS(type_name, args) new type_name args 90 #define SkNEW_ARRAY(type_name, count) new type_name[count] 91 #define SkDELETE(obj) delete obj 92 #define SkDELETE_ARRAY(array) delete[] array 93 #endif 94 95 #ifndef SK_CRASH 96 #if 1 // set to 0 for infinite loop, which can help connecting gdb 97 #define SK_CRASH() do { SkNO_RETURN_HINT(); *(int *)(uintptr_t)0xbbadbeef = 0; } while (false) 98 #else 99 #define SK_CRASH() do { SkNO_RETURN_HINT(); } while (true) 100 #endif 101 #endif 102 103 /////////////////////////////////////////////////////////////////////////////// 104 105 #if defined(SK_SOFTWARE_FLOAT) && defined(SK_SCALAR_IS_FLOAT) 106 // if this is defined, we convert floats to 2scompliment ints for compares 107 #ifndef SK_SCALAR_SLOW_COMPARES 108 #define SK_SCALAR_SLOW_COMPARES 109 #endif 110 #ifndef SK_USE_FLOATBITS 111 #define SK_USE_FLOATBITS 112 #endif 113 #endif 114 115 #ifdef SK_BUILD_FOR_WIN 116 // we want lean_and_mean when we include windows.h 117 #ifndef WIN32_LEAN_AND_MEAN 118 #define WIN32_LEAN_AND_MEAN 119 #define WIN32_IS_MEAN_WAS_LOCALLY_DEFINED 120 #endif 121 122 #include <windows.h> 123 124 #ifdef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED 125 #undef WIN32_LEAN_AND_MEAN 126 #endif 127 128 #ifndef SK_DEBUGBREAK 129 #define SK_DEBUGBREAK(cond) do { if (!(cond)) { SkNO_RETURN_HINT(); __debugbreak(); }} while (false) 130 #endif 131 132 #ifndef SK_A32_SHIFT 133 #define SK_A32_SHIFT 24 134 #define SK_R32_SHIFT 16 135 #define SK_G32_SHIFT 8 136 #define SK_B32_SHIFT 0 137 #endif 138 139 #elif defined(SK_BUILD_FOR_MAC) 140 #ifndef SK_DEBUGBREAK 141 #define SK_DEBUGBREAK(cond) do { if (!(cond)) SK_CRASH(); } while (false) 142 #endif 143 #else 144 #ifdef SK_DEBUG 145 #include <stdio.h> 146 #ifndef SK_DEBUGBREAK 147 #define SK_DEBUGBREAK(cond) do { if (cond) break; \ 148 SkDebugf("%s:%d: failed assertion \"%s\"\n", \ 149 __FILE__, __LINE__, #cond); SK_CRASH(); } while (false) 150 #endif 151 #endif 152 #endif 153 154 /* 155 * We check to see if the SHIFT value has already been defined. 156 * if not, we define it ourself to some default values. We default to OpenGL 157 * order (in memory: r,g,b,a) 158 */ 159 #ifndef SK_A32_SHIFT 160 #ifdef SK_CPU_BENDIAN 161 #define SK_R32_SHIFT 24 162 #define SK_G32_SHIFT 16 163 #define SK_B32_SHIFT 8 164 #define SK_A32_SHIFT 0 165 #else 166 #define SK_R32_SHIFT 0 167 #define SK_G32_SHIFT 8 168 #define SK_B32_SHIFT 16 169 #define SK_A32_SHIFT 24 170 #endif 171 #endif 172 173 // stdlib macros 174 175 #if 0 176 #if !defined(strlen) && defined(SK_DEBUG) 177 extern size_t sk_strlen(const char*); 178 #define strlen(s) sk_strlen(s) 179 #endif 180 #ifndef sk_strcpy 181 #define sk_strcpy(dst, src) strcpy(dst, src) 182 #endif 183 #ifndef sk_strchr 184 #define sk_strchr(s, c) strchr(s, c) 185 #endif 186 #ifndef sk_strrchr 187 #define sk_strrchr(s, c) strrchr(s, c) 188 #endif 189 #ifndef sk_strcmp 190 #define sk_strcmp(s, t) strcmp(s, t) 191 #endif 192 #ifndef sk_strncmp 193 #define sk_strncmp(s, t, n) strncmp(s, t, n) 194 #endif 195 #ifndef sk_memcpy 196 #define sk_memcpy(dst, src, n) memcpy(dst, src, n) 197 #endif 198 #ifndef memmove 199 #define memmove(dst, src, n) memmove(dst, src, n) 200 #endif 201 #ifndef sk_memset 202 #define sk_memset(dst, val, n) memset(dst, val, n) 203 #endif 204 #ifndef sk_memcmp 205 #define sk_memcmp(s, t, n) memcmp(s, t, n) 206 #endif 207 208 #define sk_strequal(s, t) (!sk_strcmp(s, t)) 209 #define sk_strnequal(s, t, n) (!sk_strncmp(s, t, n)) 210 #endif 211 212 ////////////////////////////////////////////////////////////////////// 213 214 #if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_MAC) 215 #ifndef SkLONGLONG 216 #ifdef SK_BUILD_FOR_WIN32 217 #define SkLONGLONG __int64 218 #else 219 #define SkLONGLONG long long 220 #endif 221 #endif 222 #endif 223 224 ////////////////////////////////////////////////////////////////////////////////////////////// 225 #ifndef SK_BUILD_FOR_WINCE 226 #include <string.h> 227 #include <stdlib.h> 228 #else 229 #define _CMNINTRIN_DECLARE_ONLY 230 #include "cmnintrin.h" 231 #endif 232 233 #if defined SK_DEBUG && defined SK_BUILD_FOR_WIN32 234 //#define _CRTDBG_MAP_ALLOC 235 #ifdef free 236 #undef free 237 #endif 238 #include <crtdbg.h> 239 #undef free 240 241 #ifdef SK_DEBUGx 242 #if defined(SK_SIMULATE_FAILED_MALLOC) && defined(__cplusplus) 243 void * operator new( 244 size_t cb, 245 int nBlockUse, 246 const char * szFileName, 247 int nLine, 248 int foo 249 ); 250 void * operator new[]( 251 size_t cb, 252 int nBlockUse, 253 const char * szFileName, 254 int nLine, 255 int foo 256 ); 257 void operator delete( 258 void *pUserData, 259 int, const char*, int, int 260 ); 261 void operator delete( 262 void *pUserData 263 ); 264 void operator delete[]( void * p ); 265 #define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__, 0) 266 #else 267 #define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__) 268 #endif 269 #define new DEBUG_CLIENTBLOCK 270 #else 271 #define DEBUG_CLIENTBLOCK 272 #endif // _DEBUG 273 274 275 #endif 276 277 #endif 278 279 ////////////////////////////////////////////////////////////////////// 280 281 #ifndef SK_OVERRIDE 282 #if defined(_MSC_VER) 283 #define SK_OVERRIDE override 284 #elif defined(__clang__) 285 // Some documentation suggests we should be using __attribute__((override)), 286 // but it doesn't work. 287 #define SK_OVERRIDE override 288 #else 289 // Linux GCC ignores "__attribute__((override))" and rejects "override". 290 #define SK_OVERRIDE 291 #endif 292 #endif 293 294 ////////////////////////////////////////////////////////////////////// 295 296 #ifndef SK_ALLOW_STATIC_GLOBAL_INITIALIZERS 297 #define SK_ALLOW_STATIC_GLOBAL_INITIALIZERS 1 298 #endif 299
