| 201 | } |
| 202 | |
| 203 | void ImGuiMenu::initBackend() |
| 204 | { |
| 205 | if ( !viewer || !viewer->isGLInitialized() ) |
| 206 | return; |
| 207 | |
| 208 | #ifdef __EMSCRIPTEN__ |
| 209 | const char* glsl_version = "#version 300 es"; |
| 210 | #else |
| 211 | const char* glsl_version = "#version 150"; |
| 212 | #endif |
| 213 | rescaleStyle_(); |
| 214 | ImGui_ImplGlfw_InitForOpenGL( viewer->window, false ); |
| 215 | ImGui_ImplOpenGL3_Init( glsl_version ); |
| 216 | |
| 217 | // init emscripten resize, fullscreen, mouse scroll callback |
| 218 | // may duplicate an existing resize callback (resizeEmsCanvas in MRViewer.cpp) |
| 219 | #ifdef __EMSCRIPTEN__ |
| 220 | ImGui_ImplGlfw_InstallEmscriptenCallbacks( viewer->window, "#canvas" ); |
| 221 | #endif |
| 222 | } |
| 223 | |
| 224 | void reserveKeyEvent( ImGuiKey key ) |
| 225 | { |