| <!-- |
| Copyright (c) 2019 The Khronos Group Inc. |
| Use of this source code is governed by an MIT-style license that can be |
| found in the LICENSE.txt file. |
| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Nested sequence operator</title> |
| <link rel="stylesheet" href="../../../resources/js-test-style.css"/> |
| <script src="../../../js/js-test-pre.js"></script> |
| <script src="../../../js/webgl-test-utils.js"></script> |
| <script src="../../../js/glsl-conformance-test.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script id="fshaderNestedSequenceOperator" type="x-shader/x-fragment"> |
| precision mediump float; |
| // Note that keep_flop_positive is expected to keep its default value false. |
| uniform bool keep_flop_positive; |
| float flop; |
| void main() |
| { |
| flop = -1.0, |
| (flop *= -1.0, |
| keep_flop_positive ? 0.0 : flop *= -1.0), |
| gl_FragColor = vec4(0, -flop, 0, 1); |
| } |
| </script> |
| <script type="text/javascript"> |
| "use strict"; |
| description("Test a nested sequence operator with a ternary operator inside. The ternary operator needs to be converted into an if statement on a HLSL based WebGL backend, which makes this case tricky."); |
| |
| GLSLConformanceTester.runRenderTests([ |
| { |
| fShaderId: 'fshaderNestedSequenceOperator', |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: "Nested sequence operator is evaluated in the expected order." |
| } |
| ]); |
| </script> |
| </body> |
| </html> |