content/canvas/test/webgl-conformance/conformance/rendering/gl-clear.html

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 <!--
michael@0 2 Copyright (c) 2011 The Chromium Authors. All rights reserved.
michael@0 3 Use of this source code is governed by a BSD-style license that can be
michael@0 4 found in the LICENSE file.
michael@0 5 -->
michael@0 6 <!DOCTYPE html>
michael@0 7 <html>
michael@0 8 <head>
michael@0 9 <meta charset="utf-8">
michael@0 10 <title>WebGL clear conformance test.</title>
michael@0 11 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
michael@0 12 <script src="../../resources/js-test-pre.js"></script>
michael@0 13 <script src="../resources/webgl-test.js"> </script>
michael@0 14 <script src="../resources/webgl-test-utils.js"> </script>
michael@0 15 </head>
michael@0 16 <body>
michael@0 17 <canvas id="example" width="1" height="1" style="width: 256px; height: 48px;"></canvas>
michael@0 18 <div id="description"></div><div id="console"></div>
michael@0 19 <script>
michael@0 20 description("Test clear.");
michael@0 21 var wtu = WebGLTestUtils;
michael@0 22 var gl = wtu.create3DContext("example");
michael@0 23 var program = wtu.setupTexturedQuad(gl);
michael@0 24
michael@0 25 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
michael@0 26 wtu.checkCanvas(gl, [0,0,0,0], "should be 0,0,0,0");
michael@0 27
michael@0 28 gl.clearColor(1,1,1,1);
michael@0 29 gl.clear(gl.COLOR_BUFFER_BIT);
michael@0 30 wtu.checkCanvas(gl, [255,255,255,255], "should be 255,255,255,255");
michael@0 31
michael@0 32 gl.clearColor(0,0,0,0);
michael@0 33 gl.clear(gl.COLOR_BUFFER_BIT);
michael@0 34 wtu.checkCanvas(gl, [0,0,0,0], "should be 0,0,0,0");
michael@0 35
michael@0 36 gl.colorMask(false, false, false, true);
michael@0 37 gl.clearColor(1,1,1,1);
michael@0 38 gl.clear(gl.COLOR_BUFFER_BIT);
michael@0 39 wtu.checkCanvas(gl, [0,0,0,255], "should be 0,0,0,255");
michael@0 40
michael@0 41 var tex = gl.createTexture();
michael@0 42 gl.bindTexture(gl.TEXTURE_2D, tex);
michael@0 43 gl.texImage2D(
michael@0 44 gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE,
michael@0 45 new Uint8Array([128, 128, 128, 192]));
michael@0 46
michael@0 47 gl.disable(gl.DEPTH_TEST);
michael@0 48 gl.disable(gl.BLEND);
michael@0 49 gl.colorMask(true, true, true, true);
michael@0 50 gl.drawArrays(gl.TRIANGLES, 0, 6);
michael@0 51 wtu.checkCanvas(gl, [128,128,128,192], "should be 128,128,128,192");
michael@0 52
michael@0 53 gl.colorMask(false, false, false, true);
michael@0 54 gl.clearColor(1,1,1,1);
michael@0 55 gl.clear(gl.COLOR_BUFFER_BIT);
michael@0 56 wtu.checkCanvas(gl, [128,128,128,255], "should be 128,128,128,255");
michael@0 57
michael@0 58 // TODO: Test depth and stencil clearing.
michael@0 59
michael@0 60 debug("");
michael@0 61 successfullyParsed = true;
michael@0 62 </script>
michael@0 63 <script>finishTest();</script>
michael@0 64 </body>
michael@0 65 </html>
michael@0 66

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