/* * Copyright 2006 The Android Open Source Project * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #ifndef SkPreConfig_DEFINED #define SkPreConfig_DEFINED #ifdef WEBKIT_VERSION_MIN_REQUIRED #include "config.h" #endif // Allows embedders that want to disable macros that take arguments to just // define that symbol to be one of these // #define SK_NOTHING_ARG1(arg1) #define SK_NOTHING_ARG2(arg1, arg2) #define SK_NOTHING_ARG3(arg1, arg2, arg3) ////////////////////////////////////////////////////////////////////// #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) #ifdef __APPLE__ #include "TargetConditionals.h" #endif #if defined(PALMOS_SDK_VERSION) #define SK_BUILD_FOR_PALM #elif defined(UNDER_CE) #define SK_BUILD_FOR_WINCE #elif defined(WIN32) #define SK_BUILD_FOR_WIN32 #elif defined(__SYMBIAN32__) #define SK_BUILD_FOR_WIN32 #elif defined(ANDROID) #define SK_BUILD_FOR_ANDROID #elif defined(linux) || defined(__FreeBSD__) || defined(__OpenBSD__) || \ defined(__sun) || defined(__NetBSD__) || defined(__DragonFly__) || \ defined(__GLIBC__) || defined(__GNU__) #define SK_BUILD_FOR_UNIX #elif TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR #define SK_BUILD_FOR_IOS #else #define SK_BUILD_FOR_MAC #endif #endif /* Even if the user only defined the framework variant we still need to build * the default (NDK-compliant) Android code. Therefore, when attempting to * include/exclude something from the framework variant check first that we are * building for Android then check the status of the framework define. */ #if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) && !defined(SK_BUILD_FOR_ANDROID) #define SK_BUILD_FOR_ANDROID #endif ////////////////////////////////////////////////////////////////////// #if !defined(SK_DEBUG) && !defined(SK_RELEASE) #ifdef NDEBUG #define SK_RELEASE #else #define SK_DEBUG #endif #endif #ifdef SK_BUILD_FOR_WIN32 #if !defined(SK_RESTRICT) #define SK_RESTRICT __restrict #endif #if !defined(SK_WARN_UNUSED_RESULT) #define SK_WARN_UNUSED_RESULT #endif #endif ////////////////////////////////////////////////////////////////////// #if !defined(SK_RESTRICT) #define SK_RESTRICT __restrict__ #endif #if !defined(SK_WARN_UNUSED_RESULT) #define SK_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) #endif ////////////////////////////////////////////////////////////////////// #if !defined(SK_CPU_BENDIAN) && !defined(SK_CPU_LENDIAN) #if defined(__sparc) || defined(__sparc__) || \ defined(_POWER) || defined(__powerpc__) || \ defined(__ppc__) || defined(__hppa) || \ defined(__PPC__) || defined(__PPC64__) || \ defined(_MIPSEB) || defined(__ARMEB__) || \ defined(__s390__) || \ (defined(__sh__) && defined(__BIG_ENDIAN__)) || \ (defined(__ia64) && defined(__BIG_ENDIAN__)) #define SK_CPU_BENDIAN #else #define SK_CPU_LENDIAN #endif #endif ////////////////////////////////////////////////////////////////////// #if defined(__i386) || defined(_M_IX86) || defined(__x86_64__) || defined(_M_X64) #define SK_CPU_X86 1 #endif /** * SK_CPU_SSE_LEVEL * * If defined, SK_CPU_SSE_LEVEL should be set to the highest supported level. * On non-intel CPU this should be undefined. */ #define SK_CPU_SSE_LEVEL_SSE1 10 #define SK_CPU_SSE_LEVEL_SSE2 20 #define SK_CPU_SSE_LEVEL_SSE3 30 #define SK_CPU_SSE_LEVEL_SSSE3 31 #define SK_CPU_SSE_LEVEL_SSE41 41 #define SK_CPU_SSE_LEVEL_SSE42 42 // Are we in GCC? #ifndef SK_CPU_SSE_LEVEL // These checks must be done in descending order to ensure we set the highest // available SSE level. #if defined(__SSE4_2__) #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE42 #elif defined(__SSE4_1__) #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE41 #elif defined(__SSSE3__) #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSSE3 #elif defined(__SSE3__) #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE3 #elif defined(__SSE2__) #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2 #endif #endif // Are we in VisualStudio? #ifndef SK_CPU_SSE_LEVEL // These checks must be done in descending order to ensure we set the highest // available SSE level. 64-bit intel guarantees at least SSE2 support. #if defined(_M_X64) || defined(_M_AMD64) #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2 #elif defined (_M_IX86_FP) #if _M_IX86_FP >= 2 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2 #elif _M_IX86_FP == 1 #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE1 #endif #endif #endif ////////////////////////////////////////////////////////////////////// // ARM defines #if defined(__arm__) && (!defined(__APPLE__) || !TARGET_IPHONE_SIMULATOR) #define SK_CPU_ARM32 #if defined(__GNUC__) #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \ || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \ || defined(__ARM_ARCH_7EM__) || defined(_ARM_ARCH_7) #define SK_ARM_ARCH 7 #elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \ || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \ || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) \ || defined(__ARM_ARCH_6M__) || defined(_ARM_ARCH_6) #define SK_ARM_ARCH 6 #elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) \ || defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) \ || defined(__ARM_ARCH_5TEJ__) || defined(_ARM_ARCH_5) #define SK_ARM_ARCH 5 #elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) || defined(_ARM_ARCH_4) #define SK_ARM_ARCH 4 #else #define SK_ARM_ARCH 3 #endif #if defined(__thumb2__) && (SK_ARM_ARCH >= 6) \ || !defined(__thumb__) && ((SK_ARM_ARCH > 5) || defined(__ARM_ARCH_5E__) \ || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__)) #define SK_ARM_HAS_EDSP #endif #endif #endif // Disable ARM64 optimizations for iOS due to complications regarding gyp and iOS. #if defined(__aarch64__) && !defined(SK_BUILD_FOR_IOS) #define SK_CPU_ARM64 #endif // All 64-bit ARM chips have NEON. Many 32-bit ARM chips do too. // TODO: Why don't we want NEON on iOS? #if !defined(SK_ARM_HAS_NEON) && !defined(SK_BUILD_FOR_IOS) && \ (defined(SK_CPU_ARM64) || defined(__ARM_NEON__)) #define SK_ARM_HAS_NEON #endif ////////////////////////////////////////////////////////////////////// #if !defined(SKIA_IMPLEMENTATION) #define SKIA_IMPLEMENTATION 0 #endif #if defined(SKIA_DLL) #if defined(WIN32) #if SKIA_IMPLEMENTATION #define SK_API __declspec(dllexport) #else #define SK_API __declspec(dllimport) #endif #else #define SK_API __attribute__((visibility("default"))) #endif #else #define SK_API #endif ////////////////////////////////////////////////////////////////////// /** * Use SK_PURE_FUNC as an attribute to indicate that a function's * return value only depends on the value of its parameters. This * can help the compiler optimize out successive calls. * * Usage: * void function(int params) SK_PURE_FUNC; */ #if defined(__GNUC__) # define SK_PURE_FUNC __attribute__((pure)) #else # define SK_PURE_FUNC /* nothing */ #endif ////////////////////////////////////////////////////////////////////// /** * SK_HAS_ATTRIBUTE() should return true iff the compiler * supports __attribute__(()). Mostly important because * Clang doesn't support all of GCC attributes. */ #if defined(__has_attribute) # define SK_HAS_ATTRIBUTE(x) __has_attribute(x) #elif defined(__GNUC__) # define SK_HAS_ATTRIBUTE(x) 1 #else # define SK_HAS_ATTRIBUTE(x) 0 #endif /** * SK_ATTRIBUTE_OPTIMIZE_O1 can be used as a function attribute * to specify individual optimization level of -O1, if the compiler * supports it. * * NOTE: Clang/ARM (r161757) does not support the 'optimize' attribute. */ #if SK_HAS_ATTRIBUTE(optimize) # define SK_ATTRIBUTE_OPTIMIZE_O1 __attribute__((optimize("O1"))) #else # define SK_ATTRIBUTE_OPTIMIZE_O1 /* nothing */ #endif #endif