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7e74c21873
Change #if DAWN_PLATFORM_XXX to #if DAWN_PLATFORM_IS(XXX) To prevent #ifdef usage and reference without including dawn/common/Platform.h Also change #if DAWN_COMPILER_XXX to # if DAWN_COMPILER_IS(XXX) Bug: dawn:1447 Change-Id: If6c9dab15fd2676f9a087507f5efcceeff468d33 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92625 Commit-Queue: Shrek Shao <shrekshao@google.com> Reviewed-by: Corentin Wallez <cwallez@chromium.org>
135 lines
3.9 KiB
C
135 lines
3.9 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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#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_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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// Distinguish mips32.
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#if defined(__mips__) && (_MIPS_SIM == _ABIO32) && !defined(__mips32__)
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#define __mips32__
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#endif
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// Distinguish mips64.
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#if defined(__mips__) && (_MIPS_SIM == _ABI64) && !defined(__mips64__)
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#define __mips64__
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#endif
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#if defined(_WIN64) || defined(__aarch64__) || defined(__x86_64__) || defined(__mips64__) || \
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defined(__s390x__) || defined(__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(_WIN32) || defined(__arm__) || defined(__i386__) || defined(__mips32__) || \
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defined(__s390__) || defined(__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_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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// Use #if DAWN_PLATFORM_IS(XXX) for platform specific code.
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// Do not use #ifdef or the naked macro DAWN_PLATFORM_IS_XXX.
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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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#endif // SRC_DAWN_COMMON_PLATFORM_H_
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