1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/conformance/rendering/gl-clear.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,66 @@
1.4 +<!--
1.5 +Copyright (c) 2011 The Chromium Authors. 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 +<title>WebGL clear conformance test.</title>
1.14 +<link rel="stylesheet" href="../../resources/js-test-style.css"/>
1.15 +<script src="../../resources/js-test-pre.js"></script>
1.16 +<script src="../resources/webgl-test.js"> </script>
1.17 +<script src="../resources/webgl-test-utils.js"> </script>
1.18 +</head>
1.19 +<body>
1.20 +<canvas id="example" width="1" height="1" style="width: 256px; height: 48px;"></canvas>
1.21 +<div id="description"></div><div id="console"></div>
1.22 +<script>
1.23 +description("Test clear.");
1.24 +var wtu = WebGLTestUtils;
1.25 +var gl = wtu.create3DContext("example");
1.26 +var program = wtu.setupTexturedQuad(gl);
1.27 +
1.28 +glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
1.29 +wtu.checkCanvas(gl, [0,0,0,0], "should be 0,0,0,0");
1.30 +
1.31 +gl.clearColor(1,1,1,1);
1.32 +gl.clear(gl.COLOR_BUFFER_BIT);
1.33 +wtu.checkCanvas(gl, [255,255,255,255], "should be 255,255,255,255");
1.34 +
1.35 +gl.clearColor(0,0,0,0);
1.36 +gl.clear(gl.COLOR_BUFFER_BIT);
1.37 +wtu.checkCanvas(gl, [0,0,0,0], "should be 0,0,0,0");
1.38 +
1.39 +gl.colorMask(false, false, false, true);
1.40 +gl.clearColor(1,1,1,1);
1.41 +gl.clear(gl.COLOR_BUFFER_BIT);
1.42 +wtu.checkCanvas(gl, [0,0,0,255], "should be 0,0,0,255");
1.43 +
1.44 +var tex = gl.createTexture();
1.45 + gl.bindTexture(gl.TEXTURE_2D, tex);
1.46 + gl.texImage2D(
1.47 + gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE,
1.48 + new Uint8Array([128, 128, 128, 192]));
1.49 +
1.50 +gl.disable(gl.DEPTH_TEST);
1.51 +gl.disable(gl.BLEND);
1.52 +gl.colorMask(true, true, true, true);
1.53 +gl.drawArrays(gl.TRIANGLES, 0, 6);
1.54 +wtu.checkCanvas(gl, [128,128,128,192], "should be 128,128,128,192");
1.55 +
1.56 +gl.colorMask(false, false, false, true);
1.57 +gl.clearColor(1,1,1,1);
1.58 +gl.clear(gl.COLOR_BUFFER_BIT);
1.59 +wtu.checkCanvas(gl, [128,128,128,255], "should be 128,128,128,255");
1.60 +
1.61 +// TODO: Test depth and stencil clearing.
1.62 +
1.63 +debug("");
1.64 +successfullyParsed = true;
1.65 +</script>
1.66 +<script>finishTest();</script>
1.67 +</body>
1.68 +</html>
1.69 +
