| OLD | NEW |
|---|
| (Empty) | |
| 1 <!-- |
| 2 Copyright (c) 2010 Mozilla Foundation. All rights reserved. |
| 3 Use of this source code is governed by a BSD-style license that can be |
| 4 found in the LICENSE file. |
| 5 --> |
| 6 <!DOCTYPE HTML> |
| 7 <html> |
| 8 <head> |
| 9 <meta charset="utf-8"> |
| 10 <!-- This is a visual test that programs must have both a vertex and |
| 11 fragment shader attached; the fixed function pipeline on the |
| 12 desktop must remain disabled. --> |
| 13 <script type="text/javascript"> |
| 14 function log() { |
| 15 var s = ""; |
| 16 for (var i = 0; i < arguments.length; ++i) { |
| 17 s += arguments[i] + " "; |
| 18 } |
| 19 |
| 20 document.getElementById("log").innerHTML += s + "<br>"; |
| 21 } |
| 22 |
| 23 function go() { |
| 24 var gl = document.getElementById("c").getContext("experimental-webgl"); |
| 25 |
| 26 gl.clearColor(0.0, 0.0, 0.0, 0.0); |
| 27 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); |
| 28 |
| 29 var vs = gl.createShader(gl.VERTEX_SHADER); |
| 30 gl.shaderSource(vs, "attribute vec4 aVertex; attribute vec4 aColor; vary
ing vec4 vColor; void main() { vColor = aColor; gl_Position = aVertex; }"); |
| 31 gl.compileShader(vs); |
| 32 |
| 33 var fs = gl.createShader(gl.FRAGMENT_SHADER); |
| 34 gl.shaderSource(fs, "precision mediump float; varying vec4 vColor; void
main() { gl_FragColor = vColor; }"); |
| 35 gl.compileShader(fs); |
| 36 |
| 37 var prog = gl.createProgram(); |
| 38 gl.attachShader(prog, vs); |
| 39 // don't attach a fragment shader -- may use fixed pipeline on desktop i
f the implementation doesn't check! |
| 40 //gl.attachShader(prog, fs); |
| 41 |
| 42 gl.bindAttribLocation(prog, 0, "aVertex"); |
| 43 gl.bindAttribLocation(prog, 1, "aColor"); |
| 44 |
| 45 gl.linkProgram(prog); |
| 46 |
| 47 var vbuf = gl.createBuffer(); |
| 48 gl.bindBuffer(gl.ARRAY_BUFFER, vbuf); |
| 49 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ |
| 50 -1.0, -1.0, 0.0, 1.0, |
| 51 -1.0, 1.0, 0.0, 1.0, |
| 52 1.0, -1.0, 0.0, 1.0, |
| 53 1.0, 1.0, 0.0, 1.0])
, gl.STATIC_DRAW); |
| 54 gl.vertexAttribPointer(0, 4, gl.FLOAT, false, 0, 0); |
| 55 |
| 56 var cbuf = gl.createBuffer(); |
| 57 gl.bindBuffer(gl.ARRAY_BUFFER, cbuf); |
| 58 gl.bufferData(gl.ARRAY_BUFFER, new Uint8Array([255, 0, 0, |
| 59 0, 255, 0, |
| 60 0, 0, 255, |
| 61 255, 255, 0])
, gl.STATIC_DRAW); |
| 62 gl.vertexAttribPointer(1, 3, gl.UNSIGNED_BYTE, false, 0, 0); |
| 63 |
| 64 gl.enableVertexAttribArray(0); |
| 65 gl.enableVertexAttribArray(1); |
| 66 |
| 67 gl.useProgram(prog); |
| 68 |
| 69 gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4); |
| 70 |
| 71 log("glError", "0x" + gl.getError().toString(16)); |
| 72 } |
| 73 </script> |
| 74 </head> |
| 75 |
| 76 <body onload="go()"> |
| 77 <p>Should be green in the rectangle below:</p> |
| 78 <canvas style="background: green;" id="c"></canvas> |
| 79 <div id="log"></div> |
| 80 </body> |
| 81 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/