Короче говоря, я попытался создать простейшую возможную настройку для демонстрации opengl c ++, и проблема, которую я имею, кажется, связана с
инициализация холста в отношении обработчика событий, который находится в оболочке javascript для файла wasm. Я новичок в этом, поэтому я просто отправлю
код в cpp, html-файл и командная строка, используемые для компиляции проекта, плюс ошибка в chromium.
Это glfw.cpp
#include <emscripten/emscripten.h>
#include <emscripten/bind.h>
using namespace emscripten;
#define GLFW_INCLUDE_ES3
#include <GLFW/glfw3.h>
#include <GLES3/gl3.h>
void initialize()
{
// Initialise GLFW
if( !glfwInit() )
{
EM_ASM_({
console.log(' failed: ');
}, 0);
}
EM_ASM_({
console.log(' end initialization: ');
}, 0);
}
EMSCRIPTEN_BINDINGS(glfw)
{
function("initialize", &initialize);
}
Это glfw.html
<!doctype html>
<html>
<head>
</head>
<body>
<canvas id="canvas" oncontextmenu="event.preventDefault()" style = "height: 100%; width: 100%; background-color:red;"></canvas>
<script>
var Module =
{
canvas: function()
{
console.log("canvas");
var canvas = document.getElementById('canvas');
canvas.addEventListener("webglcontextlost", function(e) { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);
return canvas;
},
onRuntimeInitialized: function()
{
Module.initialize();
}
};
</script>
<script type="text/javascript" src="glfw.js"> </script>
</body>
</html>
команда для компиляции проекта
emcc --bind -o glfw.js glfw.cpp -s USE_GLFW = 3
и это полная ошибка из console.log в chromium
glfw.js:1645 Fetch finished loading: GET "http://localhost:8080/glfw.wasm".
doNativeWasm @ glfw.js:1645
Module.asm @ glfw.js:1735
(anonymous) @ glfw.js:4813
glfw.js:1650 wasm streaming compile failed: TypeError: Module.canvas.addEventListener is not a function
(anonymous) @ glfw.js:1650
Promise.catch (async)
doNativeWasm @ glfw.js:1647
Module.asm @ glfw.js:1735
(anonymous) @ glfw.js:4813
glfw.js:1651 falling back to ArrayBuffer instantiation
(anonymous) @ glfw.js:1651
Promise.catch (async)
doNativeWasm @ glfw.js:1647
Module.asm @ glfw.js:1735
(anonymous) @ glfw.js:4813
glfw.js:1560 Fetch finished loading: GET "http://localhost:8080/glfw.wasm".
getBinaryPromise @ glfw.js:1560
instantiateArrayBuffer @ glfw.js:1633
(anonymous) @ glfw.js:1652
Promise.catch (async)
doNativeWasm @ glfw.js:1647
Module.asm @ glfw.js:1735
(anonymous) @ glfw.js:4813
glfw.js:5228 Assertion failed: the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?
glfw.js:5229 Assertion failed: the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?
abort @ glfw.js:5229
assert @ glfw.js:434
receiveInstantiatedSource @ glfw.js:1628
Promise.then (async)
instantiateArrayBuffer @ glfw.js:1635
(anonymous) @ glfw.js:1652
Promise.catch (async)
doNativeWasm @ glfw.js:1647
Module.asm @ glfw.js:1735
(anonymous) @ glfw.js:4813
glfw.js:1636 failed to asynchronously prepare wasm: abort("Assertion failed: the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?") at Error
at jsStackTrace (http://localhost:8080/glfw.js:1033:13)
at stackTrace (http://localhost:8080/glfw.js:1050:12)
at abort (http://localhost:8080/glfw.js:5239:44)
at assert (http://localhost:8080/glfw.js:434:5)
at receiveInstantiatedSource (http://localhost:8080/glfw.js:1628:7)
(anonymous) @ glfw.js:1636
Promise.catch (async)
instantiateArrayBuffer @ glfw.js:1635
(anonymous) @ glfw.js:1652
Promise.catch (async)
doNativeWasm @ glfw.js:1647
Module.asm @ glfw.js:1735
(anonymous) @ glfw.js:4813
glfw.js:5228 abort("Assertion failed: the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?") at Error
at jsStackTrace (http://localhost:8080/glfw.js:1033:13)
at stackTrace (http://localhost:8080/glfw.js:1050:12)
at abort (http://localhost:8080/glfw.js:5239:44)
at assert (http://localhost:8080/glfw.js:434:5)
at receiveInstantiatedSource (http://localhost:8080/glfw.js:1628:7)
glfw.js:5229 abort("Assertion failed: the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?") at Error
at jsStackTrace (http://localhost:8080/glfw.js:1033:13)
at stackTrace (http://localhost:8080/glfw.js:1050:12)
at abort (http://localhost:8080/glfw.js:5239:44)
at assert (http://localhost:8080/glfw.js:434:5)
at receiveInstantiatedSource (http://localhost:8080/glfw.js:1628:7)
abort @ glfw.js:5229
(anonymous) @ glfw.js:1637
Promise.catch (async)
instantiateArrayBuffer @ glfw.js:1635
(anonymous) @ glfw.js:1652
Promise.catch (async)
doNativeWasm @ glfw.js:1647
Module.asm @ glfw.js:1735
(anonymous) @ glfw.js:4813
glfw.html:1 Uncaught (in promise) abort("abort(\"Assertion failed: the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?\") at Error\n at jsStackTrace (http://localhost:8080/glfw.js:1033:13)\n at stackTrace (http://localhost:8080/glfw.js:1050:12)\n at abort (http://localhost:8080/glfw.js:5239:44)\n at assert (http://localhost:8080/glfw.js:434:5)\n at receiveInstantiatedSource (http://localhost:8080/glfw.js:1628:7)") at Error
at jsStackTrace (http://localhost:8080/glfw.js:1033:13)
at stackTrace (http://localhost:8080/glfw.js:1050:12)
at abort (http://localhost:8080/glfw.js:5239:44)
at http://localhost:8080/glfw.js:1637:9