Add WebGl2 benchmarking example
This makes it so that we can specify a custom HTML shell file for the
emcc_binary rule.
Change-Id: I919e917d6fd92fed6ab77775c5373d2886edacca
diff --git a/build_tests/minimal_shell.html b/build_tests/minimal_shell.html
new file mode 100644
index 0000000..6158571
--- /dev/null
+++ b/build_tests/minimal_shell.html
@@ -0,0 +1,128 @@
+<!doctype html>
+<!--This file is adapted from https://github.com/emscripten-core/emscripten/blob/incoming/src/shell_minimal.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; }
+ div.emscripten { text-align: center; }
+ /* the canvas *must not* have any border or padding, or mouse coords will be wrong */
+ canvas.emscripten {
+ border: 0px none;
+ background-color: black;
+ }
+
+ .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>
+ <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>
+ <!--The width and height values in the canvas specify the pixel width/height for the WebGL canvas.
+ The actual on-screen size is controlled by the stylesheet.-->
+ <canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" width=3000 height=2000></canvas>
+
+ <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() {
+ return function(text) {
+ if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
+ console.log(text);
+ };
+ })(),
+ printErr: function(text) {
+ if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
+ console.error(text);
+ },
+ canvas: (function() {
+ var canvas = document.getElementById('canvas');
+
+ // As a default initial behavior, pop up an alert when webgl context is lost. To make your
+ // application robust, you may want to override this behavior before shipping!
+ // See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
+ canvas.addEventListener("webglcontextlost", function(e) { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);
+
+ return canvas;
+ })(),
+ setStatus: function(text) {
+ if (!Module.setStatus.last) Module.setStatus.last = { time: Date.now(), text: '' };
+ if (text === Module.setStatus.last.text) return;
+ var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
+ var now = Date.now();
+ if (m && now - Module.setStatus.last.time < 30) return; // if this is a progress update, skip it if too soon
+ Module.setStatus.last.time = now;
+ Module.setStatus.last.text = text;
+ 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...');
+ window.onerror = function() {
+ Module.setStatus('Exception thrown, see JavaScript console');
+ spinnerElement.style.display = 'none';
+ Module.setStatus = function(text) {
+ if (text) Module.printErr('[post-exception status] ' + text);
+ };
+ };
+ </script>
+ {{{ SCRIPT }}}
+ </body>
+</html>