vector-dynamic-indexing-swizzled-lvalue.html (1359B)
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 swizzled vector l-value dynamic indexing test</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 <script src="../../js/glsl-conformance-test.js"></script> 16 </head> 17 <body> 18 <div id="description"></div> 19 <div id="console"></div> 20 <!-- 21 The shader first assigns v.x to v.z (1.0) 22 Then v.y to v.y (2.0) 23 Then v.z to v.x (1.0) 24 --> 25 <script id="fshaderSwizzledLValueIndexing" type="x-shader/x-fragment">#version 300 es 26 precision highp float; 27 out vec4 my_FragColor; 28 void main() { 29 vec3 v = vec3(1.0, 2.0, 3.0); 30 for (int i = 0; i < 3; i++) { 31 v.zyx[i] = v[i]; 32 } 33 my_FragColor = distance(v, vec3(1.0, 2.0, 1.0)) < 0.01 ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1); 34 } 35 </script> 36 <script type="application/javascript"> 37 "use strict"; 38 description("Dynamic indexing of swizzled l-values should work."); 39 40 GLSLConformanceTester.runRenderTests([ 41 { 42 fShaderId: 'fshaderSwizzledLValueIndexing', 43 fShaderSuccess: true, 44 linkSuccess: true, 45 passMsg: 'Index an l-value swizzled vector' 46 }, 47 ], 2); 48 </script> 49 </body> 50 </html>