struct-unary-operators.html (3114B)
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 <!DOCTYPE html> 7 <html> 8 <head> 9 <meta charset="utf-8"> 10 <link rel="stylesheet" href="../../../resources/js-test-style.css" /> 11 <link rel="stylesheet" href="../../../resources/glsl-feature-tests.css" /> 12 <script src="../../../js/js-test-pre.js"></script> 13 <script src="../../../js/webgl-test-utils.js"></script> 14 <script src="../../../js/glsl-conformance-test.js"></script> 15 <title></title> 16 </head> 17 <body> 18 <div id="description"></div> 19 <div id="console"></div> 20 <script id="fragmentShader" type="text/something-not-javascript"> 21 precision mediump float; 22 struct S { $(type) t; }; 23 void main() { 24 S a; 25 a.t = $(initializer); 26 S b = $(operator)a; // Unary operators not allowed 27 gl_FragColor = $(fragColor); 28 } 29 </script> 30 <script> 31 "use strict"; 32 description("This test verifies that unary operators +, ++, -, --, !, and ~ do not work on structures. Per the spec, field selectors, equality and assignment are the only operators allowed on structures."); 33 var tests = []; 34 var wtu = WebGLTestUtils; 35 var operators = ['+', '++', '-', '--', '!', '~'] 36 var typeInfos = [ 37 { type: 'float', initializer: '1.0', fragColor: 'vec4(0.0, b.t, 0.0, 1.0)' }, 38 { type: 'vec2', initializer: 'vec2(0.0, 1.0)', fragColor: 'vec4(b.t, 0.0, 1.0)' }, 39 { type: 'vec3', initializer: 'vec3(0.0, 1.0, 0.0)', fragColor: 'vec4(b.t, 1.0)' }, 40 { type: 'vec4', initializer: 'vec4(0.0, 1.0, 0.0, 1.0)', fragColor: 'b.t' }, 41 { type: 'int', initializer: '1', fragColor: 'vec4(0.0, b.t, 0.0, 1.0)' }, 42 { type: 'ivec2', initializer: 'ivec2(0, 1)', fragColor: 'vec4(b.t, 0.0, 1.0)' }, 43 { type: 'ivec3', initializer: 'ivec3(0, 1, 0)', fragColor: 'vec4(b.t, 1.0)' }, 44 { type: 'ivec4', initializer: 'ivec4(0, 1, 0, 1)', fragColor: 'vec4(b.t)' }, 45 { type: 'bool', initializer: 'true', fragColor: 'vec4(0.0, b.t, 0.0, 1.0)' }, 46 { type: 'bvec2', initializer: 'bvec2(false, true)', fragColor: 'vec4(b.t, 0.0, 1.0)' }, 47 { type: 'bvec3', initializer: 'bvec3(false, true, false)', fragColor: 'vec4(b.t, 1.0)' }, 48 { type: 'bvec4', initializer: 'bvec4(false,true,false,true)',fragColor: 'vec4(b.t)' }, 49 ]; 50 operators.forEach(function (operator) { 51 typeInfos.forEach(function (typeInfo) { 52 var replaceParams = { 53 initializer: typeInfo.initializer, 54 type: typeInfo.type, 55 fragColor: typeInfo.fragColor, 56 operator: operator, 57 }; 58 tests.push({ 59 fShaderSource: wtu.replaceParams(wtu.getScript('fragmentShader'), replaceParams), 60 passMsg: 'Unary operator ' + operator + ' cannot be used on a struct with a ' + typeInfo.type, 61 fShaderSuccess: false, 62 linkSuccess: false 63 }); 64 }); 65 }); 66 GLSLConformanceTester.runTests(tests); 67 var successfullyParsed = true; 68 </script> 69 </body> 70 </html>