ternary-operators-in-initializers.html (5614B)
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="intFragShader" type="text/something-not-javascript"> 21 void main() { 22 int i = 2, j = (i > 1) ? 1 : 0; 23 gl_FragColor = vec4(0.0, j, 0.0, 1.0); 24 } 25 </script> 26 <script id="ivec2FragShader" type="text/something-not-javascript"> 27 void main() { 28 ivec2 i = ivec2(2, 0), j = (i.x > 1) ? ivec2(0, 1) : ivec2(0, 0); 29 gl_FragColor = vec4(j, 0.0, 1.0); 30 } 31 </script> 32 <script id="ivec3FragShader" type="text/something-not-javascript"> 33 void main() { 34 ivec3 i = ivec3(0, 2, 0), j = (i.y > 1) ? ivec3(0, 1, 0) : ivec3(0, 0, 0); 35 gl_FragColor = vec4(j, 1.0); 36 } 37 </script> 38 <script id="ivec4FragShader" type="text/something-not-javascript"> 39 void main() { 40 ivec4 i = ivec4(0.0, 0.0, 2.0, 0.0), j = (i.z > 1) ? ivec4(0, 1, 0, 1) : ivec4(0, 0, 0, 1); 41 gl_FragColor = vec4(j); 42 } 43 </script> 44 <script id="floatFragShader" type="text/something-not-javascript"> 45 void main() { 46 precision mediump float; 47 float i = 2.0, j = (i > 1.0) ? 1.0 : 0.0; 48 gl_FragColor = vec4(0.0, j, 0.0, 1.0); 49 } 50 </script> 51 <script id="vec2FragShader" type="text/something-not-javascript"> 52 void main() { 53 precision mediump float; 54 vec2 i = vec2(2.0, 0.0), j = (i.x > 1.0) ? vec2(0.0, 1.0) : vec2(0.0, 0.0); 55 gl_FragColor = vec4(j, 0.0, 1.0); 56 } 57 </script> 58 <script id="vec3FragShader" type="text/something-not-javascript"> 59 void main() { 60 precision mediump float; 61 vec3 i = vec3(0.0, 2.0, 0.0), j = (i.y > 1.0) ? vec3(0.0, 1.0, 0.0) : vec3(0.0, 0.0, 0.0); 62 gl_FragColor = vec4(j, 1.0); 63 } 64 </script> 65 <script id="vec4FragShader" type="text/something-not-javascript"> 66 void main() { 67 precision mediump float; 68 vec4 i = vec4(0.0, 0.0, 2.0, 0.0), j = (i.z > 1.0) ? vec4(0.0, 1.0, 0.0, 1.0) : vec4(0.0, 0.0, 0.0, 1.0); 69 gl_FragColor = j; 70 } 71 </script> 72 <script id="boolFragShader" type="text/something-not-javascript"> 73 void main() { 74 bool i = true, j = i ? true : false; 75 gl_FragColor = vec4(0.0, j, 0.0, 1.0); 76 } 77 </script> 78 <script id="bvec2FragShader" type="text/something-not-javascript"> 79 void main() { 80 bvec2 i = bvec2(true, false), j = i.x ? bvec2(false, true) : bvec2(false, false); 81 gl_FragColor = vec4(j, 0.0, 1.0); 82 } 83 </script> 84 <script id="bvec3FragShader" type="text/something-not-javascript"> 85 void main() { 86 bvec3 i = bvec3(false, true, false), j = i.y ? bvec3(false, true, false) : bvec3(false, false, false); 87 gl_FragColor = vec4(j, 1.0); 88 } 89 </script> 90 <script id="bvec4FragShader" type="text/something-not-javascript"> 91 void main() { 92 bvec4 i = bvec4(false, false, true, true), j = i.z ? bvec4(false, true, false, true) : bvec4(false, false, false, true); 93 gl_FragColor = vec4(j); 94 } 95 </script> 96 <script> 97 "use strict"; 98 description("This test verifies initializers with ternary operators correctly initialize all variables."); 99 // Test fragment shaders are of the form 100 // void main() { 101 // {type} i = {initializer}, j = {ternary test using i that succeeds} ? : {green} : {black}; 102 // gl_FragColor = vec4(...); // Emit green so that test will pass 103 // } 104 // The fragment shader must compile and link with the default vertex shader. J must be able to use the values of I as well as have its own 105 // values properly initialized. 106 var tests = [ 107 { fShaderId: 'intFragShader', passMsg: 'Ternary operator in integer initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 108 { fShaderId: 'ivec2FragShader', passMsg: 'Ternary operator in ivec2 initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 109 { fShaderId: 'ivec3FragShader', passMsg: 'Ternary operator in ivec3 initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 110 { fShaderId: 'ivec4FragShader', passMsg: 'Ternary operator in ivec4 initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 111 { fShaderId: 'floatFragShader', passMsg: 'Ternary operator in float initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 112 { fShaderId: 'vec2FragShader', passMsg: 'Ternary operator in vec2 initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 113 { fShaderId: 'vec3FragShader', passMsg: 'Ternary operator in vec3 initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 114 { fShaderId: 'vec4FragShader', passMsg: 'Ternary operator in vec4 initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 115 { fShaderId: 'boolFragShader', passMsg: 'Ternary operator in bool initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 116 { fShaderId: 'bvec2FragShader', passMsg: 'Ternary operator in bvec2 initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 117 { fShaderId: 'bvec3FragShader', passMsg: 'Ternary operator in bvec3 initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 118 { fShaderId: 'bvec4FragShader', passMsg: 'Ternary operator in bvec4 initalization', fShaderSuccess: true, linkSuccess: true, render: true }, 119 ]; 120 GLSLConformanceTester.runTests(tests); 121 var successfullyParsed = true; 122 </script> 123 </body> 124 </html>