dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-3d-mipmap-levels-intel-bug.html

   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>