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// Copyright (c) 2019 OPEN CASCADE SAS
//
// This file is part of the examples of the Open CASCADE Technology software library.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
#include <iostream>
#include "WasmOcctView.h"
#include <Message.hxx>
#include <Message_Messenger.hxx>
#include <Message_PrinterSystemLog.hxx>
#include <OSD_MemInfo.hxx>
#include <OSD_Parallel.hxx>
#include <emscripten.h>
#include <emscripten/html5.h>
//! Dummy main loop callback for a single shot.
extern "C" void onMainLoop()
{
// do nothing here - viewer updates are handled on demand
emscripten_cancel_main_loop();
}
EMSCRIPTEN_KEEPALIVE int main()
{
Message::DefaultMessenger()->Printers().First()->SetTraceLevel (Message_Trace);
Handle(Message_PrinterSystemLog) aJSConsolePrinter = new Message_PrinterSystemLog ("webgl-sample", Message_Trace);
Message::DefaultMessenger()->AddPrinter (aJSConsolePrinter); // open JavaScript console within the Browser to see this output
Message::SendTrace() << "Emscripten SDK " << __EMSCRIPTEN_major__ << "." << __EMSCRIPTEN_minor__ << "." << __EMSCRIPTEN_tiny__;
#if defined(__LP64__)
Message::SendTrace() << "Architecture: WASM 64-bit";
#else
Message::SendTrace() << "Architecture: WASM 32-bit";
#endif
Message::SendTrace() << "NbLogicalProcessors: "
<< OSD_Parallel::NbLogicalProcessors()
#ifdef __EMSCRIPTEN_PTHREADS__
<< " (pthreads ON)"
#else
<< " (pthreads OFF)"
#endif
;
// setup a dummy single-shot main loop callback just to shut up a useless Emscripten error message on calling eglSwapInterval()
emscripten_set_main_loop (onMainLoop, -1, 0);
WasmOcctView& aViewer = WasmOcctView::Instance();
aViewer.run();
Message::DefaultMessenger()->Send (OSD_MemInfo::PrintInfo(), Message_Trace);
return 0;
}
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