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