SkPreConfig.h revision 443c0a6d61536ad826f29da852042fca26be0c40
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) && !defined(SK_BUILD_FOR_NACL) 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 31 126 127// Are we in GCC? 128#ifndef SK_CPU_SSE_LEVEL 129 // These checks must be done in descending order to ensure we set the highest 130 // available SSE level. 131 #if defined(__SSSE3__) 132 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSSE3 133 #elif defined(__SSE3__) 134 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE3 135 #elif defined(__SSE2__) 136 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2 137 #endif 138#endif 139 140// Are we in VisualStudio? 141#ifndef SK_CPU_SSE_LEVEL 142 // These checks must be done in descending order to ensure we set the highest 143 // available SSE level. 144 #if defined (_M_IX86_FP) 145 #if _M_IX86_FP >= 2 146 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2 147 #elif _M_IX86_FP == 1 148 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE1 149 #endif 150 #endif 151#endif 152 153////////////////////////////////////////////////////////////////////// 154// ARM defines 155 156#if defined(__arm__) && (!defined(__APPLE__) || !TARGET_IPHONE_SIMULATOR) 157 #define SK_CPU_ARM 158 159 #if defined(__GNUC__) 160 #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \ 161 || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \ 162 || defined(__ARM_ARCH_7EM__) || defined(_ARM_ARCH_7) 163 #define SK_ARM_ARCH 7 164 #elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \ 165 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \ 166 || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) \ 167 || defined(__ARM_ARCH_6M__) || defined(_ARM_ARCH_6) 168 #define SK_ARM_ARCH 6 169 #elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) \ 170 || defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) \ 171 || defined(__ARM_ARCH_5TEJ__) || defined(_ARM_ARCH_5) 172 #define SK_ARM_ARCH 5 173 #elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) || defined(_ARM_ARCH_4) 174 #define SK_ARM_ARCH 4 175 #else 176 #define SK_ARM_ARCH 3 177 #endif 178 179 #if defined(__thumb2__) && (SK_ARM_ARCH >= 6) \ 180 || !defined(__thumb__) && ((SK_ARM_ARCH > 5) || defined(__ARM_ARCH_5E__) \ 181 || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__)) 182 #define SK_ARM_HAS_EDSP 183 #endif 184 #endif 185#endif 186 187// Disable ARM64 optimizations for iOS due to complications regarding gyp and iOS. 188#if defined(__aarch64__) && !defined(SK_BUILD_FOR_IOS) 189 #define SK_CPU_ARM64 190#endif 191 192////////////////////////////////////////////////////////////////////// 193 194#if !defined(SKIA_IMPLEMENTATION) 195 #define SKIA_IMPLEMENTATION 0 196#endif 197 198#if defined(SKIA_DLL) 199 #if defined(WIN32) 200 #if SKIA_IMPLEMENTATION 201 #define SK_API __declspec(dllexport) 202 #else 203 #define SK_API __declspec(dllimport) 204 #endif 205 #else 206 #define SK_API __attribute__((visibility("default"))) 207 #endif 208#else 209 #define SK_API 210#endif 211 212////////////////////////////////////////////////////////////////////// 213 214/** 215 * Use SK_PURE_FUNC as an attribute to indicate that a function's 216 * return value only depends on the value of its parameters. This 217 * can help the compiler optimize out successive calls. 218 * 219 * Usage: 220 * void function(int params) SK_PURE_FUNC; 221 */ 222#if defined(__GNUC__) 223# define SK_PURE_FUNC __attribute__((pure)) 224#else 225# define SK_PURE_FUNC /* nothing */ 226#endif 227 228////////////////////////////////////////////////////////////////////// 229 230/** 231 * SK_HAS_ATTRIBUTE(<name>) should return true iff the compiler 232 * supports __attribute__((<name>)). Mostly important because 233 * Clang doesn't support all of GCC attributes. 234 */ 235#if defined(__has_attribute) 236# define SK_HAS_ATTRIBUTE(x) __has_attribute(x) 237#elif defined(__GNUC__) 238# define SK_HAS_ATTRIBUTE(x) 1 239#else 240# define SK_HAS_ATTRIBUTE(x) 0 241#endif 242 243/** 244 * SK_ATTRIBUTE_OPTIMIZE_O1 can be used as a function attribute 245 * to specify individual optimization level of -O1, if the compiler 246 * supports it. 247 * 248 * NOTE: Clang/ARM (r161757) does not support the 'optimize' attribute. 249 */ 250#if SK_HAS_ATTRIBUTE(optimize) 251# define SK_ATTRIBUTE_OPTIMIZE_O1 __attribute__((optimize("O1"))) 252#else 253# define SK_ATTRIBUTE_OPTIMIZE_O1 /* nothing */ 254#endif 255 256#endif 257