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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>Simple Rendering 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="50" height="50">
+There is supposed to be an example drawing here, but it's not important.
+</canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script id="vshader" type="x-shader/x-vertex">
+attribute vec4 a_Position;
+void main()
+{
+ gl_Position = a_Position;
+}
+</script>
+
+<script id="fshader" type="x-shader/x-fragment">
+void main()
+{
+ gl_FragColor = vec4(0,1,0,1);
+}
+</script>
+<script>
+"use strict";
+var wtu = WebGLTestUtils;
+function init()
+{
+ description();
+
+ var gl = wtu.create3DContext("example");
+ var program = wtu.loadProgramFromScript(gl, "vshader", "fshader");
+ gl.useProgram(program);
+ var loc = gl.getAttribLocation(program, "a_Position");
+
+ var vertexObject = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
+ gl.bufferData(
+ gl.ARRAY_BUFFER,
+ new Float32Array(
+ [ 1, 1,
+ -1, 1,
+ -1, -1,
+ 1, 1,
+ -1, -1,
+ 1, -1]),
+ gl.STATIC_DRAW);
+ gl.enableVertexAttribArray(loc);
+ gl.vertexAttribPointer(loc, 2, gl.FLOAT, false, 0, 0);
+
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+ wtu.checkCanvas(gl, [0,0,0,0], "should be black", 0);
+ gl.drawArrays(gl.TRIANGLES, 0, 6);
+ wtu.checkCanvas(gl, [0,255,0,255], "should be green", 0);
+
+ wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors");
+}
+
+init();
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>