dom/canvas/test/webgl-conf/checkout/conformance/glsl/misc/shader-with-similar-uniform-array-names.html

   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>GLSL similar names issue</title>
  12 <link rel="stylesheet" href="../../../resources/js-test-style.css"/>
  13 <link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/>
  14 <script src="../../../js/js-test-pre.js"></script>
  15 <script src="../../../js/webgl-test-utils.js"> </script>
  16
  17 <script id="vshader" type="x-shader/x-vertex">
  18 attribute vec4 a_position;
  19 void main(void) {
  20     gl_Position = a_position;
  21 }
  22 </script>
  23 <script id="fshader1" type="x-shader/x-fragment">
  24 precision mediump float;
  25 uniform vec4 u_nameCollision[2];
  26 uniform vec4 u_nameCollision2[2];
  27 uniform vec4 u_name[2];
  28 void main(void) {
  29     gl_FragColor = u_nameCollision[0] + u_nameCollision2[0] + u_name[0];
  30 }
  31 </script>
  32 <script id="fshader2" type="x-shader/x-fragment">
  33 precision mediump float;
  34 uniform vec4 u_nameCollision2[2];
  35 uniform vec4 u_nameCollision[2];
  36 uniform vec4 u_name[2];
  37 void main(void) {
  38     gl_FragColor = u_nameCollision2[0] + u_nameCollision[0] + u_name[0];
  39 }
  40 </script>
  41 <script id="fshader3" type="x-shader/x-fragment">
  42 precision mediump float;
  43 uniform vec4 u_nameCollision[2];
  44 uniform vec4 u_name[2];
  45 uniform vec4 u_nameCollision2[2];
  46 void main(void) {
  47     gl_FragColor = u_nameCollision[0] + u_name[0] + u_nameCollision2[0];
  48 }
  49 </script>
  50 <script id="fshader4" type="x-shader/x-fragment">
  51 precision mediump float;
  52 uniform vec4 u_nameCollision2[2];
  53 uniform vec4 u_name[2];
  54 uniform vec4 u_nameCollision[2];
  55 void main(void) {
  56     gl_FragColor = u_nameCollision2[0] + u_name[0] + u_nameCollision[0];
  57 }
  58 </script>
  59 <script id="fshader5" type="x-shader/x-fragment">
  60 precision mediump float;
  61 uniform vec4 u_name[2];
  62 uniform vec4 u_nameCollision[2];
  63 uniform vec4 u_nameCollision2[2];
  64 void main(void) {
  65     gl_FragColor = u_name[0] + u_nameCollision[0] + u_nameCollision2[0];
  66 }
  67 </script>
  68 <script id="fshader6" type="x-shader/x-fragment">
  69 precision mediump float;
  70 uniform vec4 u_name[2];
  71 uniform vec4 u_nameCollision2[2];
  72 uniform vec4 u_nameCollision[2];
  73 void main(void) {
  74     gl_FragColor = u_name[0] + u_nameCollision2[0] + u_nameCollision[0];
  75 }
  76 </script>
  77 </head>
  78 <body>
  79 <canvas id="canvas" width="50" height="50"></canvas>
  80 <div id="description"></div>
  81 <div id="console"></div>
  82 <script>
  83 "use strict";
  84 description();
  85
  86 var wtu = WebGLTestUtils;
  87 var gl = wtu.create3DContext("canvas");
  88 wtu.setupUnitQuad(gl);
  89
  90 for (var ii = 0; ii < 6; ++ii) {
  91   var program = wtu.setupProgram(gl, ["vshader", "fshader" + (ii + 1)], ["a_position"]);
  92   var loc1 = gl.getUniformLocation(program, "u_name[0]");
  93   var loc2 = gl.getUniformLocation(program, "u_nameCollision[0]");
  94   var loc3 = gl.getUniformLocation(program, "u_nameCollision2[0]");
  95   gl.uniform4fv(loc1, [1, 0, 0, 0]);
  96   gl.uniform4fv(loc2, [0, 1, 0, 0]);
  97   gl.uniform4fv(loc3, [0, 0, 0, 1]);
  98   wtu.clearAndDrawUnitQuad(gl);
  99   wtu.checkCanvas(gl, [255, 255, 0, 255], "Should be yellow");
 100 }
 101
 102 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors");
 103
 104 var successfullyParsed = true;
 105 </script>
 106 <script src="../../../js/js-test-post.js"></script>
 107 </body>
 108 </html>
 109