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 SkPreConfig_DEFINED 11 #define SkPreConfig_DEFINED 12 13 #ifdef WEBKIT_VERSION_MIN_REQUIRED 14 #include "config.h" 15 #endif 16 17 // Allows embedders that want to disable macros that take arguments to just 18 // define that symbol to be one of these 19 // 20 #define SK_NOTHING_ARG1(arg1) 21 #define SK_NOTHING_ARG2(arg1, arg2) 22 #define SK_NOTHING_ARG3(arg1, arg2, arg3) 23 24 ////////////////////////////////////////////////////////////////////// 25 26 #if !defined(SK_BUILD_FOR_ANDROID) && !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_PALM) && !defined(SK_BUILD_FOR_WINCE) && !defined(SK_BUILD_FOR_WIN32) && !defined(SK_BUILD_FOR_UNIX) && !defined(SK_BUILD_FOR_MAC) && !defined(SK_BUILD_FOR_SDL) && !defined(SK_BUILD_FOR_BREW) 27 28 #ifdef __APPLE__ 29 #include "TargetConditionals.h" 30 #endif 31 32 #if defined(PALMOS_SDK_VERSION) 33 #define SK_BUILD_FOR_PALM 34 #elif defined(UNDER_CE) 35 #define SK_BUILD_FOR_WINCE 36 #elif defined(WIN32) 37 #define SK_BUILD_FOR_WIN32 38 #elif defined(__SYMBIAN32__) 39 #define SK_BUILD_FOR_WIN32 40 #elif defined(ANDROID) 41 #define SK_BUILD_FOR_ANDROID 42 #elif defined(linux) || defined(__FreeBSD__) || defined(__OpenBSD__) || \ 43 defined(__sun) || defined(__NetBSD__) || defined(__DragonFly__) || \ 44 defined(__GLIBC__) || defined(__GNU__) 45 #define SK_BUILD_FOR_UNIX 46 #elif TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR 47 #define SK_BUILD_FOR_IOS 48 #else 49 #define SK_BUILD_FOR_MAC 50 #endif 51 52 #endif 53 54 /* Even if the user only defined the framework variant we still need to build 55 * the default (NDK-compliant) Android code. Therefore, when attempting to 56 * include/exclude something from the framework variant check first that we are 57 * building for Android then check the status of the framework define. 58 */ 59 #if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) && !defined(SK_BUILD_FOR_ANDROID) 60 #define SK_BUILD_FOR_ANDROID 61 #endif 62 63 ////////////////////////////////////////////////////////////////////// 64 65 #if !defined(SK_DEBUG) && !defined(SK_RELEASE) 66 #ifdef NDEBUG 67 #define SK_RELEASE 68 #else 69 #define SK_DEBUG 70 #endif 71 #endif 72 73 #ifdef SK_BUILD_FOR_WIN32 74 #if !defined(SK_RESTRICT) 75 #define SK_RESTRICT __restrict 76 #endif 77 #if !defined(SK_WARN_UNUSED_RESULT) 78 #define SK_WARN_UNUSED_RESULT 79 #endif 80 #endif 81 82 ////////////////////////////////////////////////////////////////////// 83 84 #if !defined(SK_RESTRICT) 85 #define SK_RESTRICT __restrict__ 86 #endif 87 88 #if !defined(SK_WARN_UNUSED_RESULT) 89 #define SK_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 90 #endif 91 92 ////////////////////////////////////////////////////////////////////// 93 94 #if !defined(SK_CPU_BENDIAN) && !defined(SK_CPU_LENDIAN) 95 #if defined(__sparc) || defined(__sparc__) || \ 96 defined(_POWER) || defined(__powerpc__) || \ 97 defined(__ppc__) || defined(__hppa) || \ 98 defined(__PPC__) || defined(__PPC64__) || \ 99 defined(_MIPSEB) || defined(__ARMEB__) || \ 100 defined(__s390__) || \ 101 (defined(__sh__) && defined(__BIG_ENDIAN__)) || \ 102 (defined(__ia64) && defined(__BIG_ENDIAN__)) 103 #define SK_CPU_BENDIAN 104 #else 105 #define SK_CPU_LENDIAN 106 #endif 107 #endif 108 109 ////////////////////////////////////////////////////////////////////// 110 111 #if defined(__i386) || defined(_M_IX86) || defined(__x86_64__) || defined(_M_X64) 112 #define SK_CPU_X86 1 113 #endif 114 115 /** 116 * SK_CPU_SSE_LEVEL 117 * 118 * If defined, SK_CPU_SSE_LEVEL should be set to the highest supported level. 119 * On non-intel CPU this should be undefined. 120 */ 121 122 #define SK_CPU_SSE_LEVEL_SSE1 10 123 #define SK_CPU_SSE_LEVEL_SSE2 20 124 #define SK_CPU_SSE_LEVEL_SSE3 30 125 #define SK_CPU_SSE_LEVEL_SSSE3 31 126 #define SK_CPU_SSE_LEVEL_SSE41 41 127 #define SK_CPU_SSE_LEVEL_SSE42 42 128 129 // Are we in GCC? 130 #ifndef SK_CPU_SSE_LEVEL 131 // These checks must be done in descending order to ensure we set the highest 132 // available SSE level. 133 #if defined(__SSE4_2__) 134 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE42 135 #elif defined(__SSE4_1__) 136 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE41 137 #elif defined(__SSSE3__) 138 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSSE3 139 #elif defined(__SSE3__) 140 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE3 141 #elif defined(__SSE2__) 142 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2 143 #endif 144 #endif 145 146 // Are we in VisualStudio? 147 #ifndef SK_CPU_SSE_LEVEL 148 // These checks must be done in descending order to ensure we set the highest 149 // available SSE level. 64-bit intel guarantees at least SSE2 support. 150 #if 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 186 187 #if defined(__thumb2__) && (SK_ARM_ARCH >= 6) \ 188 || !defined(__thumb__) && ((SK_ARM_ARCH > 5) || defined(__ARM_ARCH_5E__) \ 189 || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__)) 190 #define SK_ARM_HAS_EDSP 191 #endif 192 #endif 193 #endif 194 195 // Disable ARM64 optimizations for iOS due to complications regarding gyp and iOS. 196 #if defined(__aarch64__) && !defined(SK_BUILD_FOR_IOS) 197 #define SK_CPU_ARM64 198 #endif 199 200 // All 64-bit ARM chips have NEON. Many 32-bit ARM chips do too. 201 // TODO: Why don't we want NEON on iOS? 202 #if !defined(SK_ARM_HAS_NEON) && !defined(SK_BUILD_FOR_IOS) && \ 203 (defined(SK_CPU_ARM64) || defined(__ARM_NEON__)) 204 #define SK_ARM_HAS_NEON 205 #endif 206 207 ////////////////////////////////////////////////////////////////////// 208 209 #if !defined(SKIA_IMPLEMENTATION) 210 #define SKIA_IMPLEMENTATION 0 211 #endif 212 213 #if defined(SKIA_DLL) 214 #if defined(WIN32) 215 #if SKIA_IMPLEMENTATION 216 #define SK_API __declspec(dllexport) 217 #else 218 #define SK_API __declspec(dllimport) 219 #endif 220 #else 221 #define SK_API __attribute__((visibility("default"))) 222 #endif 223 #else 224 #define SK_API 225 #endif 226 227 ////////////////////////////////////////////////////////////////////// 228 229 /** 230 * Use SK_PURE_FUNC as an attribute to indicate that a function's 231 * return value only depends on the value of its parameters. This 232 * can help the compiler optimize out successive calls. 233 * 234 * Usage: 235 * void function(int params) SK_PURE_FUNC; 236 */ 237 #if defined(__GNUC__) 238 # define SK_PURE_FUNC __attribute__((pure)) 239 #else 240 # define SK_PURE_FUNC /* nothing */ 241 #endif 242 243 ////////////////////////////////////////////////////////////////////// 244 245 /** 246 * SK_HAS_ATTRIBUTE(<name>) should return true iff the compiler 247 * supports __attribute__((<name>)). Mostly important because 248 * Clang doesn't support all of GCC attributes. 249 */ 250 #if defined(__has_attribute) 251 # define SK_HAS_ATTRIBUTE(x) __has_attribute(x) 252 #elif defined(__GNUC__) 253 # define SK_HAS_ATTRIBUTE(x) 1 254 #else 255 # define SK_HAS_ATTRIBUTE(x) 0 256 #endif 257 258 /** 259 * SK_ATTRIBUTE_OPTIMIZE_O1 can be used as a function attribute 260 * to specify individual optimization level of -O1, if the compiler 261 * supports it. 262 * 263 * NOTE: Clang/ARM (r161757) does not support the 'optimize' attribute. 264 */ 265 #if SK_HAS_ATTRIBUTE(optimize) 266 # define SK_ATTRIBUTE_OPTIMIZE_O1 __attribute__((optimize("O1"))) 267 #else 268 # define SK_ATTRIBUTE_OPTIMIZE_O1 /* nothing */ 269 #endif 270 271 #endif 272