| // 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 |
| // - FUCHSIA |
| // - EMSCRIPTEN |
| #if defined(_WIN32) || defined(_WIN64) |
| #include <winapifamily.h> |
| #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 <TargetConditionals.h> |
| #if 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_ |
