Unity-Technologies
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emscripten
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improve emcc help on shell file, and add minimal shell file example

This commit is contained in:
Alon Zakai 2014-02-13 14:00:50 -08:00
Родитель c9be5fb89e
Коммит ea8830dc5c
2 изменённых файлов: 157 добавлений и 24 удалений
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49
emcc
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@ -276,21 +276,6 @@ Options that are modified or new in %s include:
Note: Closure is only run if js opts are being
done (-O2 or above, or --js-opts 1).
--js-transform <cmd> <cmd> will be called on the generated code
before it is optimized. This lets you modify
the JavaScript, for example adding some code
or removing some code, in a way that those
modifications will be optimized together with
the generated code properly. <cmd> will be
called with the filename of the generated
code as a parameter; to modify the code, you
can read the original data and then append to
it or overwrite it with the modified data.
<cmd> is interpreted as a space-separated
list of arguments, for example, <cmd> of
"python processor.py" will cause a python
script to be run.
--pre-js <file> A file whose contents are added before the
generated code. This is done *before*
optimization, so it will be minified
@ -349,6 +334,16 @@ Options that are modified or new in %s include:
--embed-file and --preload-file
wildcard is supported
--shell-file <path> The path name to a skeleton HTML file used
when generating HTML output. The shell file
used needs to have this token inside it:
{{{ SCRIPT }}}
(see src/shell.html and
src/shell_minimal.html for examples)
Note that this argument is ignored if a
target other than HTML is specified using
the -o option.
--compression <codec> **THIS OPTION IS DEPRECATED**
Compress both the compiled code and embedded/
@ -372,6 +367,21 @@ Options that are modified or new in %s include:
--minify 0 Identical to -g1
--js-transform <cmd> <cmd> will be called on the generated code
before it is optimized. This lets you modify
the JavaScript, for example adding some code
or removing some code, in a way that those
modifications will be optimized together with
the generated code properly. <cmd> will be
called with the filename of the generated
code as a parameter; to modify the code, you
can read the original data and then append to
it or overwrite it with the modified data.
<cmd> is interpreted as a space-separated
list of arguments, for example, <cmd> of
"python processor.py" will cause a python
script to be run.
--split <size> Splits the resulting javascript file into pieces
to ease debugging. This option only works if
Javascript is generated (target -o <name>.js).
@ -408,15 +418,6 @@ Options that are modified or new in %s include:
errors. However, you will need to manually
link to the shared libraries later on yourself.
--shell-file <path> The path name to a skeleton HTML file used
when generating HTML output. The shell file
used needs to have this token inside it:
{{{ SCRIPT }}}
(see src/shell.html for an example)
Note that this argument is ignored if a
target other than HTML is specified using
the -o option.
--js-library <lib> A JavaScript library to use in addition to
those in Emscripten's src/library_*

132
src/shell_minimal.html Normal file
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@ -0,0 +1,132 @@
<!doctype html>
<html lang="en-us">
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Emscripten-Generated Code</title>
<style>
.emscripten { padding-right: 0; margin-left: auto; margin-right: auto; display: block; }
textarea.emscripten { font-family: monospace; width: 80%; }
div.emscripten { text-align: center; }
div.emscripten_border { border: 1px solid black; }
/* the canvas *must not* have any border or padding, or mouse coords will be wrong */
canvas.emscripten { border: 0px none; }
.spinner {
height: 50px;
width: 50px;
margin: 0px auto;
-webkit-animation: rotation .8s linear infinite;
-moz-animation: rotation .8s linear infinite;
-o-animation: rotation .8s linear infinite;
animation: rotation 0.8s linear infinite;
border-left: 10px solid rgb(0,150,240);
border-right: 10px solid rgb(0,150,240);
border-bottom: 10px solid rgb(0,150,240);
border-top: 10px solid rgb(100,0,200);
border-radius: 100%;
background-color: rgb(200,100,250);
}
@-webkit-keyframes rotation {
from {-webkit-transform: rotate(0deg);}
to {-webkit-transform: rotate(360deg);}
}
@-moz-keyframes rotation {
from {-moz-transform: rotate(0deg);}
to {-moz-transform: rotate(360deg);}
}
@-o-keyframes rotation {
from {-o-transform: rotate(0deg);}
to {-o-transform: rotate(360deg);}
}
@keyframes rotation {
from {transform: rotate(0deg);}
to {transform: rotate(360deg);}
}
</style>
</head>
<body>
<hr/>
<figure style="overflow:visible;" id="spinner"><div class="spinner"></div><center style="margin-top:0.5em"><strong>emscripten</strong></center></figure>
<div class="emscripten" id="status">Downloading...</div>
<div class="emscripten">
<progress value="0" max="100" id="progress" hidden=1></progress>
</div>
<div class="emscripten_border">
<canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()"></canvas>
</div>
<hr/>
<div class="emscripten">
<input type="checkbox" id="resize">Resize canvas
<input type="checkbox" id="pointerLock" checked>Lock/hide mouse pointer
&nbsp;&nbsp;&nbsp;
<input type="button" value="Fullscreen" onclick="Module.requestFullScreen(document.getElementById('pointerLock').checked,
document.getElementById('resize').checked)">
</div>
<hr/>
<textarea class="emscripten" id="output" rows="8"></textarea>
<hr>
<script type='text/javascript'>
var statusElement = document.getElementById('status');
var progressElement = document.getElementById('progress');
var spinnerElement = document.getElementById('spinner');
var Module = {
preRun: [],
postRun: [],
print: (function() {
var element = document.getElementById('output');
element.value = ''; // clear browser cache
return function(text) {
text = Array.prototype.slice.call(arguments).join(' ');
// These replacements are necessary if you render to raw HTML
//text = text.replace(/&/g, "&amp;");
//text = text.replace(/</g, "&lt;");
//text = text.replace(/>/g, "&gt;");
//text = text.replace('\n', '<br>', 'g');
element.value += text + "\n";
element.scrollTop = element.scrollHeight; // focus on bottom
};
})(),
printErr: function(text) {
text = Array.prototype.slice.call(arguments).join(' ');
if (0) { // XXX disabled for safety typeof dump == 'function') {
dump(text + '\n'); // fast, straight to the real console
} else {
console.log(text);
}
},
canvas: document.getElementById('canvas'),
setStatus: function(text) {
if (!Module.setStatus.last) Module.setStatus.last = { time: Date.now(), text: '' };
if (text === Module.setStatus.text) return;
var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
var now = Date.now();
if (m && now - Date.now() < 30) return; // if this is a progress update, skip it if too soon
if (m) {
text = m[1];
progressElement.value = parseInt(m[2])*100;
progressElement.max = parseInt(m[4])*100;
progressElement.hidden = false;
spinnerElement.hidden = false;
} else {
progressElement.value = null;
progressElement.max = null;
progressElement.hidden = true;
if (!text) spinnerElement.hidden = true;
}
statusElement.innerHTML = text;
},
totalDependencies: 0,
monitorRunDependencies: function(left) {
this.totalDependencies = Math.max(this.totalDependencies, left);
Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies-left) + '/' + this.totalDependencies + ')' : 'All downloads complete.');
}
};
Module.setStatus('Downloading...');
</script>
{{{ SCRIPT }}}
</body>
</html>