| <!-- |
| |
| /* |
| ** Copyright (c) 2017 The Khronos Group Inc. |
| ** |
| ** Permission is hereby granted, free of charge, to any person obtaining a |
| ** copy of this software and/or associated documentation files (the |
| ** "Materials"), to deal in the Materials without restriction, including |
| ** without limitation the rights to use, copy, modify, merge, publish, |
| ** distribute, sublicense, and/or sell copies of the Materials, and to |
| ** permit persons to whom the Materials are furnished to do so, subject to |
| ** the following conditions: |
| ** |
| ** The above copyright notice and this permission notice shall be included |
| ** in all copies or substantial portions of the Materials. |
| ** |
| ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| */ |
| |
| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Uninitialized local/global variables should be initialized (ESSL 3.00 cases)</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> |
| |
| <!-- |
| This test covers cases that can't be tested with ESSL 1.00 due to Appendix A limitations. |
| The ESSL 1.00 cases are covered in conformance/glsl/misc/uninitialized-local-global-variables.html |
| --> |
| |
| <script id="vs_uninit_in_frag" type="x-shader/x-vertex">#version 300 es |
| precision highp float; |
| in vec4 a_position; |
| void main() { |
| gl_Position = a_position; |
| } |
| </script> |
| |
| <!-- Uninitialized variables in a for loop initializer in fragment shader --> |
| <script id="fs_uninit_variables_in_loop_in_frag" type="x-shader/x-fragment">#version 300 es |
| precision highp float; |
| out vec4 my_FragColor; |
| void main() { |
| int i = 0; |
| for (vec4 uninit, uninit2[2] = vec4[2](uninit, uninit); i < 1; ++i) { |
| my_FragColor = uninit2[0]; |
| } |
| } |
| </script> |
| |
| <!-- Uninitialized nameless struct in a for loop initializer in fragment shader --> |
| <script id="fs_uninit_nameless_struct_in_loop_in_frag" type="x-shader/x-fragment">#version 300 es |
| precision highp float; |
| out vec4 my_FragColor; |
| void main() { |
| int i = 0; |
| for (struct { vec4 v; } uninit; i < 1; ++i) { |
| my_FragColor = uninit.v; |
| } |
| } |
| </script> |
| |
| </head> |
| <body> |
| <canvas id="canvas" width="50" height="50"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| "use strict"; |
| description('Uninitialized local/global variables should be initialized: http://anglebug.com/1966'); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("canvas", undefined, 2); |
| wtu.setupUnitQuad(gl); |
| |
| var cases = [ |
| { |
| name: "Uninitialized variables in a for loop initializer in fragment shader", |
| prog: ["vs_uninit_in_frag", "fs_uninit_variables_in_loop_in_frag"], |
| }, |
| { |
| name: "Uninitialized nameless struct in a for loop initializer in fragment shader", |
| prog: ["vs_uninit_in_frag", "fs_uninit_nameless_struct_in_loop_in_frag"], |
| } |
| ]; |
| |
| function runTest() { |
| for (var i = 0; i < cases.length; ++i) { |
| debug(""); |
| debug(cases[i].name); |
| var program = wtu.setupProgram(gl, cases[i].prog, ["a_position"], undefined, true); |
| gl.clearColor(1.0, 0.0, 0.0, 1.0); |
| wtu.clearAndDrawUnitQuad(gl); |
| wtu.checkCanvas(gl, [0, 0, 0, 0]); |
| } |
| |
| debug(""); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors"); |
| } |
| |
| runTest(); |
| |
| var successfullyParsed = true; |
| </script> |
| <script src="../../js/js-test-post.js"></script> |
| </body> |
| </html> |