100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
// Copyright 2019 The MediaPipe 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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//
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// Defines symbols and methods related to portable portions of the framework.
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//
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#ifndef MEDIAPIPE_FRAMEWORK_PORT_H_
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#define MEDIAPIPE_FRAMEWORK_PORT_H_
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// Note: some defines, e.g. MEDIAPIPE_LITE, can only be set in the bazel rules.
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// For consistency, we now set MEDIAPIPE_MOBILE there too. However, for the sake
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// of projects that may want to build MediaPipe using alternative build systems,
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// we also try to set platform-specific defines in this header if missing.
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#if !defined(MEDIAPIPE_MOBILE) && \
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(defined(__ANDROID__) || (defined(__APPLE__) && !TARGET_OS_OSX) || \
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defined(__EMSCRIPTEN__))
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#define MEDIAPIPE_MOBILE
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#endif
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#if !defined(MEDIAPIPE_ANDROID) && defined(__ANDROID__)
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#define MEDIAPIPE_ANDROID
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#endif
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#if defined(__APPLE__)
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#include "TargetConditionals.h" // for TARGET_OS_*
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#if !defined(MEDIAPIPE_IOS) && !TARGET_OS_OSX
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#define MEDIAPIPE_IOS
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#endif
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#if !defined(MEDIAPIPE_OSX) && TARGET_OS_OSX
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#define MEDIAPIPE_OSX
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#endif
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#endif
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// These platforms do not support OpenGL ES Compute Shaders (v3.1 and up),
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// but may or may not still be able to run other OpenGL code.
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#if !defined(MEDIAPIPE_DISABLE_GL_COMPUTE) && \
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(defined(__APPLE__) || defined(__EMSCRIPTEN__) || \
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defined(MEDIAPIPE_DISABLE_GPU) || MEDIAPIPE_USING_SWIFTSHADER)
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#define MEDIAPIPE_DISABLE_GL_COMPUTE
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#endif
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// Compile time target platform definitions.
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// Example: #if MEDIAPIPE_OPENGL_ES_VERSION >= MEDIAPIPE_OPENGL_ES_31
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#define MEDIAPIPE_OPENGL_ES_20 200
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#define MEDIAPIPE_OPENGL_ES_30 300
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#define MEDIAPIPE_OPENGL_ES_31 310
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#if defined(MEDIAPIPE_DISABLE_GPU)
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#define MEDIAPIPE_OPENGL_ES_VERSION 0
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#define MEDIAPIPE_METAL_ENABLED 0
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#else
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#if defined(MEDIAPIPE_ANDROID)
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#if defined(MEDIAPIPE_DISABLE_GL_COMPUTE)
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#define MEDIAPIPE_OPENGL_ES_VERSION MEDIAPIPE_OPENGL_ES_20
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#else
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#define MEDIAPIPE_OPENGL_ES_VERSION MEDIAPIPE_OPENGL_ES_31
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#endif
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#define MEDIAPIPE_METAL_ENABLED 0
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#elif defined(MEDIAPIPE_IOS)
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#define MEDIAPIPE_OPENGL_ES_VERSION MEDIAPIPE_OPENGL_ES_20
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#define MEDIAPIPE_METAL_ENABLED 1
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#elif defined(MEDIAPIPE_OSX)
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#define MEDIAPIPE_OPENGL_ES_VERSION 0
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#define MEDIAPIPE_METAL_ENABLED 1
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#elif defined(__EMSCRIPTEN__)
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// WebGL config.
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#define MEDIAPIPE_OPENGL_ES_VERSION MEDIAPIPE_OPENGL_ES_30
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#define MEDIAPIPE_METAL_ENABLED 0
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#else
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#define MEDIAPIPE_OPENGL_ES_VERSION MEDIAPIPE_OPENGL_ES_31
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#define MEDIAPIPE_METAL_ENABLED 0
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#endif
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#endif
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#ifndef MEDIAPIPE_HAS_RTTI
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// Detect if RTTI is disabled in the compiler.
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#if defined(__clang__) && defined(__has_feature)
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#define MEDIAPIPE_HAS_RTTI __has_feature(cxx_rtti)
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#elif defined(__GNUC__) && !defined(__GXX_RTTI)
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#define MEDIAPIPE_HAS_RTTI 0
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#elif defined(_MSC_VER) && !defined(_CPPRTTI)
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#define MEDIAPIPE_HAS_RTTI 0
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#else
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#define MEDIAPIPE_HAS_RTTI 1
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#endif
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#endif // MEDIAPIPE_HAS_RTTI
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#endif // MEDIAPIPE_FRAMEWORK_PORT_H_
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