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angle-dx-variable-bug.html (2373B)

      1 <!--
      2 Copyright (c) 2019 The Khronos Group Inc.
      3 Use of this source code is governed by an MIT-style license that can be
      4 found in the LICENSE.txt file.
      5 -->
      6 
      7 <!DOCTYPE html>
      8 <html>
      9 <head>
     10 <meta charset="utf-8">
     11 <title>ANGLE D3D11 Bug - Variables beginning with "dx_"</title>
     12 <link rel="stylesheet" href="../../../resources/js-test-style.css"/>
     13 <script src="../../../js/js-test-pre.js"></script>
     14 <script src="../../../js/webgl-test-utils.js"></script>
     15 </head>
     16 <body>
     17 
     18 <script id="vs" type="x-shader/x-fragment">
     19 precision mediump float;
     20 attribute vec4 position;
     21 varying float dx_var;
     22 void main() {
     23  gl_Position = position;
     24  dx_var = position.x;
     25 }
     26 
     27 </script>
     28 <script id="fs" type="x-shader/x-fragment">
     29 precision mediump float;
     30 varying float dx_var;
     31 void main() {
     32  gl_FragColor = vec4(dx_var, 0, 0, 1);
     33 }
     34 </script>
     35 
     36 <div id="description"></div>
     37 <div id="console"></div>
     38 <canvas id="canvas" width="2" height="2"> </canvas>
     39 <script>
     40 "use strict";
     41 // See http://crbug.com/371868 for original failing case.
     42 description("This test checks an ANGLE D3D11 shader compiler error.");
     43 
     44 debug("");
     45 debug("Canvas.getContext");
     46 
     47 var wtu = WebGLTestUtils;
     48 var gl = wtu.create3DContext("canvas");
     49 if (!gl) {
     50  testFailed("context does not exist");
     51 } else {
     52  testPassed("context exists");
     53 
     54  debug("");
     55  debug("Checking shader compilation and linking.");
     56 
     57  checkCompilation()
     58 }
     59 
     60 function checkCompilation() {
     61  var vs = gl.createShader(gl.VERTEX_SHADER);
     62  gl.shaderSource(vs, document.getElementById("vs").text);
     63  gl.compileShader(vs);
     64  if (!gl.getShaderParameter(vs, gl.COMPILE_STATUS)) {
     65      testFailed("Vertex Shader failed to compile: " + gl.getShaderInfoLog(vs));
     66      return;
     67  }
     68 
     69  var fs = gl.createShader(gl.FRAGMENT_SHADER);
     70  gl.shaderSource(fs, document.getElementById("fs").text);
     71  gl.compileShader(fs);
     72  if (!gl.getShaderParameter(fs, gl.COMPILE_STATUS)) {
     73      testFailed("Fragment Shader failed to compile: " + gl.getShaderInfoLog(fs));
     74      return;
     75  }
     76 
     77  var p = gl.createProgram();
     78  gl.attachShader(p, vs);
     79  gl.attachShader(p, fs);
     80  gl.linkProgram(p);
     81  if (!gl.getProgramParameter(p, gl.LINK_STATUS)) {
     82      testFailed("Program failed to link: " + gl.getProgramInfoLog(p));
     83      return;
     84  }
     85 
     86  testPassed("Linked Successfully");
     87 }
     88 
     89 debug("");
     90 var successfullyParsed = true;
     91 
     92 </script>
     93 <script src="../../../js/js-test-post.js"></script>
     94 
     95 </body>
     96 </html>