Saran Tunyasuvunakool
9d9493153c
PiperOrigin-RevId: 470175500 Change-Id: If13a81f308f803d3cc4731b3d4d0561cfe56d5c8
118 lines
4.0 KiB
C++
118 lines
4.0 KiB
C++
// Copyright 2022 DeepMind Technologies Limited
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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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#include "glfw_dispatch.h"
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#ifdef mjGLFW_DYNAMIC_SYMBOLS
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#ifdef _MSC_VER
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#include <windows.h>
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#include <libloaderapi.h>
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#else
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#include <dlfcn.h>
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#endif
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#endif
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#include <cstdlib>
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#include <iostream>
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namespace mujoco {
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const struct Glfw& Glfw(void* dlhandle) {
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{
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static const void* init_dlhandle = dlhandle;
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if (dlhandle && dlhandle != init_dlhandle) {
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std::cerr << "dlhandle is specified when GLFW dispatch table is already "
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"initialized\n";
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abort();
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}
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}
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static const struct Glfw glfw = [&]() {
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struct Glfw glfw;
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#ifdef mjGLFW_DYNAMIC_SYMBOLS
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#ifdef _MSC_VER
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if (!dlhandle) dlhandle = LoadLibraryA("glfw3.dll");
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if (!dlhandle) {
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std::cerr << "cannot obtain a shared object handle\n";
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abort();
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}
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#define mjGLFW_RESOLVE_SYMBOL(func) \
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glfw.func = reinterpret_cast<decltype(glfw.func)>( \
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GetProcAddress(reinterpret_cast<HMODULE>(dlhandle), #func))
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#else
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if (!dlhandle) dlhandle = dlopen("nullptr", RTLD_GLOBAL | RTLD_NOW);
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if (!dlhandle) {
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std::cerr << "cannot obtain a shared object handle\n";
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abort();
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}
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#define mjGLFW_RESOLVE_SYMBOL(func) \
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glfw.func = reinterpret_cast<decltype(glfw.func)>(dlsym(dlhandle, #func))
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#endif
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#else
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#define mjGLFW_RESOLVE_SYMBOL(func) glfw.func = &::func
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#endif
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#define mjGLFW_INITIALIZE_SYMBOL(func) \
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if (!(mjGLFW_RESOLVE_SYMBOL(func))) { \
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std::cerr << "cannot dlsym " #func "\n"; \
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abort(); \
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}
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// go/keep-sorted start
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mjGLFW_INITIALIZE_SYMBOL(glfwCreateWindow);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetCursorPos);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetFramebufferSize);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetKey);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetMonitorPhysicalSize);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetMouseButton);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetPrimaryMonitor);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetTime);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetVideoMode);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetWindowMonitor);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetWindowPos);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetWindowSize);
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mjGLFW_INITIALIZE_SYMBOL(glfwGetWindowUserPointer);
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mjGLFW_INITIALIZE_SYMBOL(glfwInit);
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mjGLFW_INITIALIZE_SYMBOL(glfwMakeContextCurrent);
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mjGLFW_INITIALIZE_SYMBOL(glfwPollEvents);
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mjGLFW_INITIALIZE_SYMBOL(glfwSetClipboardString);
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mjGLFW_INITIALIZE_SYMBOL(glfwSetCursorPosCallback);
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mjGLFW_INITIALIZE_SYMBOL(glfwSetDropCallback);
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mjGLFW_INITIALIZE_SYMBOL(glfwSetKeyCallback);
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mjGLFW_INITIALIZE_SYMBOL(glfwSetMouseButtonCallback);
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mjGLFW_INITIALIZE_SYMBOL(glfwSetScrollCallback);
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mjGLFW_INITIALIZE_SYMBOL(glfwSetWindowMonitor);
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mjGLFW_INITIALIZE_SYMBOL(glfwSetWindowRefreshCallback);
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mjGLFW_INITIALIZE_SYMBOL(glfwSetWindowSizeCallback);
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mjGLFW_INITIALIZE_SYMBOL(glfwSetWindowTitle);
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mjGLFW_INITIALIZE_SYMBOL(glfwSetWindowUserPointer);
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mjGLFW_INITIALIZE_SYMBOL(glfwSwapBuffers);
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mjGLFW_INITIALIZE_SYMBOL(glfwSwapInterval);
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mjGLFW_INITIALIZE_SYMBOL(glfwTerminate);
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mjGLFW_INITIALIZE_SYMBOL(glfwWindowHint);
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mjGLFW_INITIALIZE_SYMBOL(glfwWindowShouldClose);
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// go/keep-sorted end
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#undef mjGLFW_INITIALIZE_SYMBOL
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#if defined(mjGLFW_DYNAMIC_SYMBOLS) && !defined(_MSC_VER)
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dlclose(dlhandle);
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#endif
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return glfw;
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}();
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return glfw;
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}
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} // namespace mujoco
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