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