| <!-- |
| 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>Sequence operator returns constant test</title> |
| <link rel="stylesheet" href="../../../resources/js-test-style.css"/> |
| <link rel="stylesheet" href="../../../resources/glsl-feature-tests.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="fshader-const-expression" type="x-shader/x-fragment"> |
| precision mediump float; |
| void main() |
| { |
| // RHS should be a constant expression (a compile-time constants) stated in section 4.3.2 from GLESSL 1.0.17 |
| const float a = (0.0, 1.0); |
| } |
| </script> |
| <script id="fshader-non-const-expression" type="x-shader/x-fragment"> |
| precision mediump float; |
| void main() |
| { |
| float a[(2, 3)]; |
| } |
| </script> |
| <script> |
| "use strict"; |
| description("Checks sequence operators returning constants and can be used as an array size."); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext(); |
| |
| GLSLConformanceTester.runTests([ |
| { fShaderId: 'fshader-const-expression', |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: "Sequence operator can return a constant expression", |
| }, |
| { fShaderId: 'fshader-non-const-expression', |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: "Sequence operator return value can be used as array size", |
| }, |
| ]); |
| |
| debug(""); |
| var successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
