tex-3d-mipmap-levels-intel-bug.html (2773B)
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>WebGL2 3D texture mipmap level conformance test.</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="2" height="2" style="width: 2px; height: 2px;"></canvas> 18 <div id="description"></div> 19 <div id="console"></div> 20 <script id="vshader_texsize" type="x-shader/x-vertex">#version 300 es 21 in vec4 vPosition; 22 void main() 23 { 24 gl_Position = vPosition; 25 } 26 </script> 27 28 <script id="fshader_texsize_3d" type="x-shader/x-fragment">#version 300 es 29 precision mediump float; 30 uniform highp sampler3D tex; 31 uniform int lod; 32 uniform ivec3 texSize; 33 out vec4 fragColor; 34 void main() 35 { 36 fragColor = (textureSize(tex, lod) == texSize ? vec4(255, 0, 0, 255) : vec4(0, 0, 0, 255)); 37 } 38 </script> 39 40 41 <script> 42 "use strict"; 43 description(document.title); 44 var wtu = WebGLTestUtils; 45 var gl = wtu.create3DContext("example", undefined, 2); 46 47 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); 48 49 // This test fails on Intel Mesa, see crbug.com/666384. 50 (function() { 51 debug(""); 52 debug("Test textureSize should work correctly with non-zero base level for texStorage3D"); 53 var program = wtu.setupProgram( 54 gl, ['vshader_texsize', 'fshader_texsize_3d'], ['vPosition'], [0]); 55 wtu.setupUnitQuad(gl, 0, 1); 56 57 gl.uniform1i(gl.getUniformLocation(program, "tex"), 0); 58 gl.uniform1i(gl.getUniformLocation(program, "lod"), 1); 59 gl.uniform3i(gl.getUniformLocation(program, "texSize"), 8, 4, 2); 60 var tex3d = gl.createTexture(); 61 gl.bindTexture(gl.TEXTURE_3D, tex3d); 62 gl.texParameteri(gl.TEXTURE_3D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); 63 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameter(TEXTURE_MAG_FILTER) should succeed"); 64 gl.texParameteri(gl.TEXTURE_3D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); 65 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameter(TEXTURE_MIN_FILTER) should succeed"); 66 gl.texParameteri(gl.TEXTURE_3D, gl.TEXTURE_BASE_LEVEL, 1); 67 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameter(TEXTURE_BASE_LEVEL) should succeed"); 68 gl.texStorage3D(gl.TEXTURE_3D, 4, gl.RGBA8, 32, 16, 8); 69 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texStorage3D should succeed"); 70 wtu.clearAndDrawUnitQuad(gl); 71 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearAndDrawQuad should succeed"); 72 wtu.checkCanvas(gl, [255, 0, 0, 255], "should draw with [255, 0, 0, 255]"); 73 gl.deleteTexture(tex3d); 74 })(); 75 76 var successfullyParsed = true; 77 78 </script> 79 <script src="../../../js/js-test-post.js"></script> 80 81 </body> 82 </html>