| /* |
| * 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. |
| */ |
| |
| // IWYU pragma: private, include "SkTypes.h" |
| |
| #ifndef SkPreConfig_DEFINED |
| #define SkPreConfig_DEFINED |
| |
| // 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_WIN32) && !defined(SK_BUILD_FOR_UNIX) && !defined(SK_BUILD_FOR_MAC) |
| |
| #ifdef __APPLE__ |
| #include "TargetConditionals.h" |
| #endif |
| |
| #if defined(_WIN32) || defined(__SYMBIAN32__) |
| #define SK_BUILD_FOR_WIN32 |
| #elif defined(ANDROID) || defined(__ANDROID__) |
| #define SK_BUILD_FOR_ANDROID |
| #elif defined(linux) || defined(__linux) || defined(__FreeBSD__) || \ |
| defined(__OpenBSD__) || defined(__sun) || defined(__NetBSD__) || \ |
| defined(__DragonFly__) || defined(__Fuchsia__) || \ |
| defined(__GLIBC__) || defined(__GNU__) || defined(__unix__) |
| #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 |
| |
| ////////////////////////////////////////////////////////////////////// |
| |
| #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(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) |
| #define SK_CPU_BENDIAN |
| #elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) |
| #define SK_CPU_LENDIAN |
| #elif 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 |
| #define SK_CPU_SSE_LEVEL_AVX 51 |
| #define SK_CPU_SSE_LEVEL_AVX2 52 |
| |
| // When targetting iOS and using gyp to generate the build files, it is not |
| // possible to select files to build depending on the architecture (i.e. it |
| // is not possible to use hand optimized assembly implementation). In that |
| // configuration SK_BUILD_NO_OPTS is defined. Remove optimisation then. |
| #ifdef SK_BUILD_NO_OPTS |
| #define SK_CPU_SSE_LEVEL 0 |
| #endif |
| |
| // 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(__AVX2__) |
| #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_AVX2 |
| #elif defined(__AVX__) |
| #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_AVX |
| #elif 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(__AVX2__) |
| #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_AVX2 |
| #elif defined(__AVX__) |
| #define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_AVX |
| #elif 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 |
| #endif |
| #endif |
| |
| #if defined(__aarch64__) && !defined(SK_BUILD_NO_OPTS) |
| #define SK_CPU_ARM64 |
| #endif |
| |
| // All 64-bit ARM chips have NEON. Many 32-bit ARM chips do too. |
| #if !defined(SK_ARM_HAS_NEON) && !defined(SK_BUILD_NO_OPTS) && (defined(__ARM_NEON__) || defined(__ARM_NEON)) |
| #define SK_ARM_HAS_NEON |
| #endif |
| |
| // Really this __APPLE__ check shouldn't be necessary, but it seems that Apple's Clang defines |
| // __ARM_FEATURE_CRC32 for -arch arm64, even though their chips don't support those instructions! |
| #if defined(__ARM_FEATURE_CRC32) && !defined(__APPLE__) |
| #define SK_ARM_HAS_CRC32 |
| #endif |
| |
| ////////////////////////////////////////////////////////////////////// |
| |
| #if !defined(SKIA_IMPLEMENTATION) |
| #define SKIA_IMPLEMENTATION 0 |
| #endif |
| |
| #if !defined(SK_API) |
| #if defined(SKIA_DLL) |
| #if defined(_MSC_VER) |
| #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 |
| #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(<name>) should return true iff the compiler |
| * supports __attribute__((<name>)). 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 |
