texture-clear.html

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<!--

Copyright (c) 2019 The Khronos Group Inc.

Use of this source code is governed by an MIT-style license that can be

found in the LICENSE.txt file.

-->

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>WebGL texture clear conformance test.</title>

<link rel="stylesheet" href="../../../resources/js-test-style.css"/>

<script src="../../../js/js-test-pre.js"></script>

<script src="../../../js/webgl-test-utils.js"></script>

</head>

<body>

<canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas>

<div id="description"></div>

<div id="console"></div>

<script>

"use strict";

description(document.title);

var wtu = WebGLTestUtils;

var gl = wtu.create3DContext("example");

var program = wtu.setupTexturedQuad(gl);

wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

var tex = gl.createTexture();

gl.bindTexture(gl.TEXTURE_2D, tex);

gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);

gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array([0,255,0,255]));

wtu.clearAndDrawUnitQuad(gl);

wtu.checkCanvas(

    gl, [0, 255, 0, 255], "should be green");

wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

var successfullyParsed = true;

</script>

<script src="../../../js/js-test-post.js"></script>

</body>

</html>