94 lines
2.3 KiB
C++
94 lines
2.3 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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// This header includes platform-specific headers for OpenGL.
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#ifndef MEDIAPIPE_GPU_GL_BASE_H_
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#define MEDIAPIPE_GPU_GL_BASE_H_
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#if defined(__EMSCRIPTEN__)
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#include <emscripten/html5.h>
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#endif // defined(__EMSCRIPTEN__)
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#if defined(__APPLE__)
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#include <TargetConditionals.h>
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#if TARGET_OS_OSX
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#define HAS_NSGL 1
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#include <OpenGL/OpenGL.h>
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#if CGL_VERSION_1_3
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#include <OpenGL/gl3.h>
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#include <OpenGL/gl3ext.h>
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#else
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#include <OpenGL/gl.h>
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#include <OpenGL/glext.h>
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#endif // CGL_VERSION_1_3
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#else
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#define HAS_EAGL 1
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#include <OpenGLES/ES2/gl.h>
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#include <OpenGLES/ES2/glext.h>
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#include <OpenGLES/ES3/gl.h>
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#include <OpenGLES/ES3/glext.h>
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#endif // TARGET_OS_OSX
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#else
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#define HAS_EGL 1
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#include <EGL/egl.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#if defined(__ANDROID__)
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// Weak-link all GL APIs included from this point on.
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// TODO: Annotate these with availability attributes for the
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// appropriate versions of Android, by including gl{3,31,31}.h and resetting
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// GL_APICALL for each.
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#undef GL_APICALL
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#define GL_APICALL __attribute__((weak_import)) KHRONOS_APICALL
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#endif // defined(__ANDROID__)
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#include <GLES3/gl32.h>
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// When using the Linux EGL headers, we may end up pulling a
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// "#define Status int" from Xlib.h, which interferes with absl::Status.
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#undef Status
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// More crud from X
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#undef None
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#undef Bool
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#undef Success
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#endif // defined(__APPLE__)
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namespace mediapipe {
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// Doing this as an inline function allows us to avoid unwanted "pointer will
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// never be null" errors on certain platforms and compilers.
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template <typename T>
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inline bool SymbolAvailable(T* symbol) {
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return symbol != nullptr;
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}
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} // namespace mediapipe
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#endif // MEDIAPIPE_GPU_GL_BASE_H_
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