| <!-- |
| 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>Test if GenerateMipmap on immutable texture with large BASE_LEVEL triggers a crash</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> |
| </head> |
| <body> |
| <canvas id="example" width="24" height="24"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| "use strict"; |
| description("This is a regression test for crbug.com/913301"); |
| debug(""); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("example", null, 2); |
| gl.clearColor(0, 1, 0, 1); |
| |
| var targets = [gl.TEXTURE_2D, gl.TEXTURE_3D]; |
| for (var ii = 0; ii < targets.length; ++ii) { |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| var target = targets[ii]; |
| var tex = gl.createTexture(); |
| gl.bindTexture(target, tex); |
| gl.texParameteri(target, gl.TEXTURE_BASE_LEVEL, 1416354905); |
| gl.texParameteri(target, gl.TEXTURE_MAX_LEVEL, 5); |
| gl.texParameteri(target, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR); |
| gl.texParameteri(target, gl.TEXTURE_MAG_FILTER, gl.LINEAR); |
| if (target == gl.TEXTURE_2D) |
| gl.texStorage2D(target, 5, gl.R8, 32, 32); |
| else |
| gl.texStorage3D(target, 5, gl.R8, 32, 32, 32); |
| // Should not crash calling generateMipmap. |
| gl.generateMipmap(target); |
| gl.deleteTexture(tex); |
| // If crashed, readPixels() won't be able to work correctly. |
| wtu.checkCanvas(gl, [0, 255, 0, 255], "should be green", 5); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR); |
| } |
| |
| var successfullyParsed = true; |
| </script> |
| <script src="../../../js/js-test-post.js"></script> |
| </body> |
| </html> |
| |
