generate-mipmap-with-large-base-level.html (1792B)
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 7 <!DOCTYPE html> 8 <html> 9 <head> 10 <meta charset="utf-8"> 11 <title>Test if GenerateMipmap on immutable texture with large BASE_LEVEL triggers a crash</title> 12 <link rel="stylesheet" href="../../../resources/js-test-style.css"/> 13 <script src="../../../js/js-test-pre.js"></script> 14 <script src="../../../js/webgl-test-utils.js"></script> 15 </head> 16 <body> 17 <canvas id="example" width="24" height="24"></canvas> 18 <div id="description"></div> 19 <div id="console"></div> 20 <script> 21 "use strict"; 22 description("This is a regression test for crbug.com/913301"); 23 debug(""); 24 25 var wtu = WebGLTestUtils; 26 var gl = wtu.create3DContext("example", null, 2); 27 gl.clearColor(0, 1, 0, 1); 28 29 var targets = [gl.TEXTURE_2D, gl.TEXTURE_3D]; 30 for (var ii = 0; ii < targets.length; ++ii) { 31 gl.clear(gl.COLOR_BUFFER_BIT); 32 var target = targets[ii]; 33 var tex = gl.createTexture(); 34 gl.bindTexture(target, tex); 35 gl.texParameteri(target, gl.TEXTURE_BASE_LEVEL, 1416354905); 36 gl.texParameteri(target, gl.TEXTURE_MAX_LEVEL, 5); 37 gl.texParameteri(target, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR); 38 gl.texParameteri(target, gl.TEXTURE_MAG_FILTER, gl.LINEAR); 39 if (target == gl.TEXTURE_2D) 40 gl.texStorage2D(target, 5, gl.R8, 32, 32); 41 else 42 gl.texStorage3D(target, 5, gl.R8, 32, 32, 32); 43 // Should not crash calling generateMipmap. 44 gl.generateMipmap(target); 45 gl.deleteTexture(tex); 46 // If crashed, readPixels() won't be able to work correctly. 47 wtu.checkCanvas(gl, [0, 255, 0, 255], "should be green", 5); 48 wtu.glErrorShouldBe(gl, gl.NO_ERROR); 49 } 50 51 var successfullyParsed = true; 52 </script> 53 <script src="../../../js/js-test-post.js"></script> 54 </body> 55 </html>