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 // IWYU pragma: private, include "SkTypes.h" 9 10 #ifndef SkPreConfig_DEFINED 11 #define SkPreConfig_DEFINED 12 13 // Allows embedders that want to disable macros that take arguments to just 14 // define that symbol to be one of these 15 #define SK_NOTHING_ARG1(arg1) 16 #define SK_NOTHING_ARG2(arg1, arg2) 17 #define SK_NOTHING_ARG3(arg1, arg2, arg3) 18 19 ////////////////////////////////////////////////////////////////////// 20 21 #if !defined(SK_BUILD_FOR_ANDROID) && !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_WIN32) && !defined(SK_BUILD_FOR_UNIX) && !defined(SK_BUILD_FOR_MAC) 22 23 #ifdef __APPLE__ 24 #include "TargetConditionals.h" 25 #endif 26 27 #if defined(WIN32) || defined(__SYMBIAN32__) 28 #define SK_BUILD_FOR_WIN32 29 #elif defined(ANDROID) 30 #define SK_BUILD_FOR_ANDROID 31 #elif defined(linux) || defined(__linux) || defined(__FreeBSD__) || \ 32 defined(__OpenBSD__) || defined(__sun) || defined(__NetBSD__) || \ 33 defined(__DragonFly__) || defined(__GLIBC__) || defined(__GNU__) || \ 34 defined(__unix__) 35 #define SK_BUILD_FOR_UNIX 36 #elif TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR 37 #define SK_BUILD_FOR_IOS 38 #else 39 #define SK_BUILD_FOR_MAC 40 #endif 41 42 #endif 43 44 /* Even if the user only defined the framework variant we still need to build 45 * the default (NDK-compliant) Android code. Therefore, when attempting to 46 * include/exclude something from the framework variant check first that we are 47 * building for Android then check the status of the framework define. 48 */ 49 #if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) && !defined(SK_BUILD_FOR_ANDROID) 50 #define SK_BUILD_FOR_ANDROID 51 #endif 52 53 ////////////////////////////////////////////////////////////////////// 54 55 #if !defined(SK_DEBUG) && !defined(SK_RELEASE) 56 #ifdef NDEBUG 57 #define SK_RELEASE 58 #else 59 #define SK_DEBUG 60 #endif 61 #endif 62 63 #ifdef SK_BUILD_FOR_WIN32 64 #if !defined(SK_RESTRICT) 65 #define SK_RESTRICT __restrict 66 #endif 67 #if !defined(SK_WARN_UNUSED_RESULT) 68 #define SK_WARN_UNUSED_RESULT 69 #endif 70 #endif 71 72 ////////////////////////////////////////////////////////////////////// 73 74 #if !defined(SK_RESTRICT) 75 #define SK_RESTRICT __restrict__ 76 #endif 77 78 #if !defined(SK_WARN_UNUSED_RESULT) 79 #define SK_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 80 #endif 81 82 ////////////////////////////////////////////////////////////////////// 83 84 #if !defined(SK_CPU_BENDIAN) && !defined(SK_CPU_LENDIAN) 85 #if defined(__sparc) || defined(__sparc__) || \ 86 defined(_POWER) || defined(__powerpc__) || \ 87 defined(__ppc__) || defined(__hppa) || \ 88 defined(__PPC__) || defined(__PPC64__) || \ 89 defined(_MIPSEB) || defined(__ARMEB__) || \ 90 defined(__s390__) || \ 91 (defined(__sh__) && defined(__BIG_ENDIAN__)) || \ 92 (defined(__ia64) && defined(__BIG_ENDIAN__)) 93 #define SK_CPU_BENDIAN 94 #else 95 #define SK_CPU_LENDIAN 96 #endif 97 #endif 98 99 ////////////////////////////////////////////////////////////////////// 100 101 #if defined(__i386) || defined(_M_IX86) || defined(__x86_64__) || defined(_M_X64) 102 #define SK_CPU_X86 1 103 #endif 104 105 /** 106 * SK_CPU_SSE_LEVEL 107 * 108 * If defined, SK_CPU_SSE_LEVEL should be set to the highest supported level. 109 * On non-intel CPU this should be undefined. 110 */ 111 112 #define SK_CPU_SSE_LEVEL_SSE1 10 113 #define SK_CPU_SSE_LEVEL_SSE2 20 114 #define SK_CPU_SSE_LEVEL_SSE3 30 115 #define SK_CPU_SSE_LEVEL_SSSE3 31 116 #define SK_CPU_SSE_LEVEL_SSE41 41 117 #define SK_CPU_SSE_LEVEL_SSE42 42 118 #define SK_CPU_SSE_LEVEL_AVX 51 119 #define SK_CPU_SSE_LEVEL_AVX2 52 120 121 // Are we in GCC? 122 #ifndef SK_CPU_SSE_LEVEL 123 // These checks must be done in descending order to ensure we set the highest 124 // available SSE level. 125 #if defined(__AVX2__) 126 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_AVX2 127 #elif defined(__AVX__) 128 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_AVX 129 #elif defined(__SSE4_2__) 130 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE42 131 #elif defined(__SSE4_1__) 132 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE41 133 #elif defined(__SSSE3__) 134 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSSE3 135 #elif defined(__SSE3__) 136 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE3 137 #elif defined(__SSE2__) 138 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2 139 #endif 140 #endif 141 142 // Are we in VisualStudio? 143 #ifndef SK_CPU_SSE_LEVEL 144 // These checks must be done in descending order to ensure we set the highest 145 // available SSE level. 64-bit intel guarantees at least SSE2 support. 146 #if defined(__AVX2__) 147 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_AVX2 148 #elif defined(__AVX__) 149 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_AVX 150 #elif defined(_M_X64) || defined(_M_AMD64) 151 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2 152 #elif defined(_M_IX86_FP) 153 #if _M_IX86_FP >= 2 154 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2 155 #elif _M_IX86_FP == 1 156 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE1 157 #endif 158 #endif 159 #endif 160 161 ////////////////////////////////////////////////////////////////////// 162 // ARM defines 163 164 #if defined(__arm__) && (!defined(__APPLE__) || !TARGET_IPHONE_SIMULATOR) 165 #define SK_CPU_ARM32 166 167 #if defined(__GNUC__) 168 #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \ 169 || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \ 170 || defined(__ARM_ARCH_7EM__) || defined(_ARM_ARCH_7) 171 #define SK_ARM_ARCH 7 172 #elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \ 173 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \ 174 || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) \ 175 || defined(__ARM_ARCH_6M__) || defined(_ARM_ARCH_6) 176 #define SK_ARM_ARCH 6 177 #elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) \ 178 || defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) \ 179 || defined(__ARM_ARCH_5TEJ__) || defined(_ARM_ARCH_5) 180 #define SK_ARM_ARCH 5 181 #elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) || defined(_ARM_ARCH_4) 182 #define SK_ARM_ARCH 4 183 #else 184 #define SK_ARM_ARCH 3 185 #endif 186 #endif 187 #endif 188 189 // Disable ARM64 optimizations for iOS due to complications regarding gyp and iOS. 190 #if defined(__aarch64__) && !defined(SK_BUILD_FOR_IOS) 191 #define SK_CPU_ARM64 192 #endif 193 194 // All 64-bit ARM chips have NEON. Many 32-bit ARM chips do too. 195 // TODO: Why don't we want NEON on iOS? 196 #if !defined(SK_ARM_HAS_NEON) && !defined(SK_BUILD_FOR_IOS) && (defined(__ARM_NEON__) || defined(__ARM_NEON)) 197 #define SK_ARM_HAS_NEON 198 #endif 199 200 ////////////////////////////////////////////////////////////////////// 201 202 #if !defined(SKIA_IMPLEMENTATION) 203 #define SKIA_IMPLEMENTATION 0 204 #endif 205 206 #if defined(SKIA_DLL) 207 #if defined(WIN32) 208 #if SKIA_IMPLEMENTATION 209 #define SK_API __declspec(dllexport) 210 #else 211 #define SK_API __declspec(dllimport) 212 #endif 213 #else 214 #define SK_API __attribute__((visibility("default"))) 215 #endif 216 #else 217 #define SK_API 218 #endif 219 220 ////////////////////////////////////////////////////////////////////// 221 222 /** 223 * Use SK_PURE_FUNC as an attribute to indicate that a function's 224 * return value only depends on the value of its parameters. This 225 * can help the compiler optimize out successive calls. 226 * 227 * Usage: 228 * void function(int params) SK_PURE_FUNC; 229 */ 230 #if defined(__GNUC__) 231 # define SK_PURE_FUNC __attribute__((pure)) 232 #else 233 # define SK_PURE_FUNC /* nothing */ 234 #endif 235 236 ////////////////////////////////////////////////////////////////////// 237 238 /** 239 * SK_HAS_ATTRIBUTE(<name>) should return true iff the compiler 240 * supports __attribute__((<name>)). Mostly important because 241 * Clang doesn't support all of GCC attributes. 242 */ 243 #if defined(__has_attribute) 244 # define SK_HAS_ATTRIBUTE(x) __has_attribute(x) 245 #elif defined(__GNUC__) 246 # define SK_HAS_ATTRIBUTE(x) 1 247 #else 248 # define SK_HAS_ATTRIBUTE(x) 0 249 #endif 250 251 /** 252 * SK_ATTRIBUTE_OPTIMIZE_O1 can be used as a function attribute 253 * to specify individual optimization level of -O1, if the compiler 254 * supports it. 255 * 256 * NOTE: Clang/ARM (r161757) does not support the 'optimize' attribute. 257 */ 258 #if SK_HAS_ATTRIBUTE(optimize) 259 # define SK_ATTRIBUTE_OPTIMIZE_O1 __attribute__((optimize("O1"))) 260 #else 261 # define SK_ATTRIBUTE_OPTIMIZE_O1 /* nothing */ 262 #endif 263 264 #endif 265