// Copyright 2017 The Dawn Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #ifndef SRC_DAWN_COMMON_PLATFORM_H_ #define SRC_DAWN_COMMON_PLATFORM_H_ // Use #if DAWN_PLATFORM_IS(X) for platform specific code. // Do not use #ifdef or the naked macro DAWN_PLATFORM_IS_X. // This can help avoid common mistakes like not including "Platform.h" and falling into unwanted // code block as usage of undefined macro "function" will be blocked by the compiler. #define DAWN_PLATFORM_IS(X) (1 == DAWN_PLATFORM_IS_##X) // Define platform macros for OSes: // // - WINDOWS // - WIN32 // - WINUWP // - POSIX // - LINUX // - ANDROID // - APPLE // - IOS // - MACOS // - TVOS // - FUCHSIA // - EMSCRIPTEN #if defined(_WIN32) || defined(_WIN64) #include #define DAWN_PLATFORM_IS_WINDOWS 1 #if WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP #define DAWN_PLATFORM_IS_WIN32 1 #elif WINAPI_FAMILY == WINAPI_FAMILY_PC_APP #define DAWN_PLATFORM_IS_WINUWP 1 #else #error "Unsupported Windows platform." #endif #elif defined(__linux__) #define DAWN_PLATFORM_IS_LINUX 1 #define DAWN_PLATFORM_IS_POSIX 1 #if defined(__ANDROID__) #define DAWN_PLATFORM_IS_ANDROID 1 #endif #elif defined(__APPLE__) #define DAWN_PLATFORM_IS_APPLE 1 #define DAWN_PLATFORM_IS_POSIX 1 #include #if TARGET_OS_TV #define DAWN_PLATFORM_IS_TVOS 1 #define DAWN_PLATFORM_IS_IOS 1 #elif TARGET_OS_IPHONE #define DAWN_PLATFORM_IS_IOS 1 #elif TARGET_OS_MAC #define DAWN_PLATFORM_IS_MACOS 1 #else #error "Unsupported Apple platform." #endif #elif defined(__Fuchsia__) #define DAWN_PLATFORM_IS_FUCHSIA 1 #define DAWN_PLATFORM_IS_POSIX 1 #elif defined(__EMSCRIPTEN__) #define DAWN_PLATFORM_IS_EMSCRIPTEN 1 #define DAWN_PLATFORM_IS_POSIX 1 #else #error "Unsupported platform." #endif // Define platform macros for CPU architectures: // // - X86 // - I386 // - X86_64 // - ARM // - ARM32 // - ARM64 // - RISCV // - RISCV32 // - RISCV64 // - MIPS // - MIPS32 // - MIPS64 // - S390 // - S390X // - PPC // - PPC64 #if defined(__i386__) || defined(_M_IX86) #define DAWN_PLATFORM_IS_X86 1 #define DAWN_PLATFORM_IS_I386 1 #elif defined(__x86_64__) || defined(_M_X64) #define DAWN_PLATFORM_IS_X86 1 #define DAWN_PLATFORM_IS_X86_64 1 #elif defined(__arm__) || defined(_M_ARM) #define DAWN_PLATFORM_IS_ARM 1 #define DAWN_PLATFORM_IS_ARM32 1 #elif defined(__aarch64__) || defined(_M_ARM64) #define DAWN_PLATFORM_IS_ARM 1 #define DAWN_PLATFORM_IS_ARM64 1 #elif defined(__riscv) #define DAWN_PLATFORM_IS_RISCV 1 #if __riscv_xlen == 32 #define DAWN_PLATFORM_IS_RISCV32 1 #else #define DAWN_PLATFORM_IS_RISCV64 1 #endif #elif defined(__mips__) #define DAWN_PLATFORM_IS_MIPS 1 #if _MIPS_SIM == _ABIO32 #define DAWN_PLATFORM_IS_MIPS32 1 #else #define DAWN_PLATFORM_IS_MIPS64 1 #endif #elif defiend(__s390__) #define DAWN_PLATFORM_IS_S390 1 #elif defiend(__s390x__) #define DAWN_PLATFORM_IS_S390X 1 #elif defined(__PPC__) #define DAWN_PLATFORM_IS_PPC 1 #elif defined(__PPC64__) #define DAWN_PLATFORM_IS_PPC64 1 #else #error "Unsupported platform." #endif // Define platform macros for pointer width: // // - 64_BIT // - 32_BIT #if defined(DAWN_PLATFORM_IS_X86_64) || defined(DAWN_PLATFORM_IS_ARM64) || \ defined(DAWN_PLATFORM_IS_RISCV64) || defined(DAWN_PLATFORM_IS_MIPS64) || \ defined(DAWN_PLATFORM_IS_S390X) || defined(DAWN_PLATFORM_IS_PPC64) #define DAWN_PLATFORM_IS_64_BIT 1 static_assert(sizeof(sizeof(char)) == 8, "Expect sizeof(size_t) == 8"); #elif defined(DAWN_PLATFORM_IS_I386) || defined(DAWN_PLATFORM_IS_ARM32) || \ defined(DAWN_PLATFORM_IS_RISCV32) || defined(DAWN_PLATFORM_IS_MIPS32) || \ defined(DAWN_PLATFORM_IS_S390) || defined(DAWN_PLATFORM_IS_PPC32) || \ defined(DAWN_PLATFORM_IS_EMSCRIPTEN) #define DAWN_PLATFORM_IS_32_BIT 1 static_assert(sizeof(sizeof(char)) == 4, "Expect sizeof(size_t) == 4"); #else #error "Unsupported platform" #endif // This section define other platform macros to 0 to avoid undefined macro usage error. #if !defined(DAWN_PLATFORM_IS_WINDOWS) #define DAWN_PLATFORM_IS_WINDOWS 0 #endif #if !defined(DAWN_PLATFORM_IS_WIN32) #define DAWN_PLATFORM_IS_WIN32 0 #endif #if !defined(DAWN_PLATFORM_IS_WINUWP) #define DAWN_PLATFORM_IS_WINUWP 0 #endif #if !defined(DAWN_PLATFORM_IS_POSIX) #define DAWN_PLATFORM_IS_POSIX 0 #endif #if !defined(DAWN_PLATFORM_IS_LINUX) #define DAWN_PLATFORM_IS_LINUX 0 #endif #if !defined(DAWN_PLATFORM_IS_ANDROID) #define DAWN_PLATFORM_IS_ANDROID 0 #endif #if !defined(DAWN_PLATFORM_IS_APPLE) #define DAWN_PLATFORM_IS_APPLE 0 #endif #if !defined(DAWN_PLATFORM_IS_IOS) #define DAWN_PLATFORM_IS_IOS 0 #endif #if !defined(DAWN_PLATFORM_IS_MACOS) #define DAWN_PLATFORM_IS_MACOS 0 #endif #if !defined(DAWN_PLATFORM_IS_FUCHSIA) #define DAWN_PLATFORM_IS_FUCHSIA 0 #endif #if !defined(DAWN_PLATFORM_IS_EMSCRIPTEN) #define DAWN_PLATFORM_IS_EMSCRIPTEN 0 #endif #if !defined(DAWN_PLATFORM_IS_X86) #define DAWN_PLATFORM_IS_X86 0 #endif #if !defined(DAWN_PLATFORM_IS_I386) #define DAWN_PLATFORM_IS_I386 0 #endif #if !defined(DAWN_PLATFORM_IS_X86_64) #define DAWN_PLATFORM_IS_X86_64 0 #endif #if !defined(DAWN_PLATFORM_IS_ARM) #define DAWN_PLATFORM_IS_ARM 0 #endif #if !defined(DAWN_PLATFORM_IS_ARM32) #define DAWN_PLATFORM_IS_ARM32 0 #endif #if !defined(DAWN_PLATFORM_IS_ARM64) #define DAWN_PLATFORM_IS_ARM64 0 #endif #if !defined(DAWN_PLATFORM_IS_RISCV) #define DAWN_PLATFORM_IS_RISCV 0 #endif #if !defined(DAWN_PLATFORM_IS_RISCV32) #define DAWN_PLATFORM_IS_RISCV32 0 #endif #if !defined(DAWN_PLATFORM_IS_RISCV64) #define DAWN_PLATFORM_IS_RISCV64 0 #endif #if !defined(DAWN_PLATFORM_IS_MIPS) #define DAWN_PLATFORM_IS_MIPS 0 #endif #if !defined(DAWN_PLATFORM_IS_MIPS32) #define DAWN_PLATFORM_IS_MIPS32 0 #endif #if !defined(DAWN_PLATFORM_IS_MIPS64) #define DAWN_PLATFORM_IS_MIPS64 0 #endif #if !defined(DAWN_PLATFORM_IS_S390) #define DAWN_PLATFORM_IS_S390 0 #endif #if !defined(DAWN_PLATFORM_IS_S390X) #define DAWN_PLATFORM_IS_S390X 0 #endif #if !defined(DAWN_PLATFORM_IS_PPC) #define DAWN_PLATFORM_IS_PPC 0 #endif #if !defined(DAWN_PLATFORM_IS_PPC64) #define DAWN_PLATFORM_IS_PPC64 0 #endif #if !defined(DAWN_PLATFORM_IS_64_BIT) #define DAWN_PLATFORM_IS_64_BIT 0 #endif #if !defined(DAWN_PLATFORM_IS_32_BIT) #define DAWN_PLATFORM_IS_32_BIT 0 #endif #endif // SRC_DAWN_COMMON_PLATFORM_H_