1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/misc/program-test-1.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,81 @@
1.4 +<!--
1.5 +Copyright (c) 2010 Mozilla Foundation. All rights reserved.
1.6 +Use of this source code is governed by a BSD-style license that can be
1.7 +found in the LICENSE file.
1.8 +-->
1.9 +<!DOCTYPE HTML>
1.10 +<html>
1.11 +<head>
1.12 +<meta charset="utf-8">
1.13 +<!-- This is a visual test that programs must have both a vertex and
1.14 + fragment shader attached; the fixed function pipeline on the
1.15 + desktop must remain disabled. -->
1.16 +<script type="text/javascript">
1.17 + function log() {
1.18 + var s = "";
1.19 + for (var i = 0; i < arguments.length; ++i) {
1.20 + s += arguments[i] + " ";
1.21 + }
1.22 +
1.23 + document.getElementById("log").innerHTML += s + "<br>";
1.24 + }
1.25 +
1.26 + function go() {
1.27 + var gl = document.getElementById("c").getContext("experimental-webgl");
1.28 +
1.29 + gl.clearColor(0.0, 0.0, 0.0, 0.0);
1.30 + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
1.31 +
1.32 + var vs = gl.createShader(gl.VERTEX_SHADER);
1.33 + gl.shaderSource(vs, "attribute vec4 aVertex; attribute vec4 aColor; varying vec4 vColor; void main() { vColor = aColor; gl_Position = aVertex; }");
1.34 + gl.compileShader(vs);
1.35 +
1.36 + var fs = gl.createShader(gl.FRAGMENT_SHADER);
1.37 + gl.shaderSource(fs, "precision mediump float; varying vec4 vColor; void main() { gl_FragColor = vColor; }");
1.38 + gl.compileShader(fs);
1.39 +
1.40 + var prog = gl.createProgram();
1.41 + gl.attachShader(prog, vs);
1.42 + // don't attach a fragment shader -- may use fixed pipeline on desktop if the implementation doesn't check!
1.43 + //gl.attachShader(prog, fs);
1.44 +
1.45 + gl.bindAttribLocation(prog, 0, "aVertex");
1.46 + gl.bindAttribLocation(prog, 1, "aColor");
1.47 +
1.48 + gl.linkProgram(prog);
1.49 +
1.50 + var vbuf = gl.createBuffer();
1.51 + gl.bindBuffer(gl.ARRAY_BUFFER, vbuf);
1.52 + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
1.53 + -1.0, -1.0, 0.0, 1.0,
1.54 + -1.0, 1.0, 0.0, 1.0,
1.55 + 1.0, -1.0, 0.0, 1.0,
1.56 + 1.0, 1.0, 0.0, 1.0]), gl.STATIC_DRAW);
1.57 + gl.vertexAttribPointer(0, 4, gl.FLOAT, false, 0, 0);
1.58 +
1.59 + var cbuf = gl.createBuffer();
1.60 + gl.bindBuffer(gl.ARRAY_BUFFER, cbuf);
1.61 + gl.bufferData(gl.ARRAY_BUFFER, new Uint8Array([255, 0, 0,
1.62 + 0, 255, 0,
1.63 + 0, 0, 255,
1.64 + 255, 255, 0]), gl.STATIC_DRAW);
1.65 + gl.vertexAttribPointer(1, 3, gl.UNSIGNED_BYTE, false, 0, 0);
1.66 +
1.67 + gl.enableVertexAttribArray(0);
1.68 + gl.enableVertexAttribArray(1);
1.69 +
1.70 + gl.useProgram(prog);
1.71 +
1.72 + gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
1.73 +
1.74 + log("glError", "0x" + gl.getError().toString(16));
1.75 + }
1.76 +</script>
1.77 +</head>
1.78 +
1.79 +<body onload="go()">
1.80 +<p>Should be green in the rectangle below:</p>
1.81 +<canvas style="background: green;" id="c"></canvas>
1.82 +<div id="log"></div>
1.83 +</body>
1.84 +</html>
