The Tor Browser: content/canvas/test/webgl-conformance/conformance/textures/texture-npot.html@8bccb770b82d (annotated)

content/canvas/test/webgl-conformance/conformance/textures/texture-npot.html@8bccb770b82d (annotated)

content/canvas/test/webgl-conformance/conformance/textures/texture-npot.html

Wed, 31 Dec 2014 13:27:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 13:27:57 +0100
branch: TOR_BUG_3246
changeset 6: 8bccb770b82d
permissions: -rw-r--r--

Ignore runtime configuration files generated during quality assurance.

 <!--
 Copyright (c) 2011 The Chromium Authors. All rights reserved.
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
  -->
 <!DOCTYPE html>
 <html>
 <head>
 <meta charset="utf-8">
 <title>WebGL Non-Power of 2 texture conformance test.</title>
 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
 <script src="../../resources/js-test-pre.js"></script>
 <script src="../resources/webgl-test.js"> </script>
 <script src="../resources/webgl-test-utils.js"> </script>
 </head>
 <body>
 <canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas>
 <div id="description"></div>
 <div id="console"></div>
 <script id="vshader" type="x-shader/x-vertex">
 attribute vec4 vPosition;
 attribute vec2 texCoord0;
 varying vec2 texCoord;
 void main()
 {
     gl_Position = vPosition;
     texCoord = texCoord0;
 }
 </script>
 <script id="fshader" type="x-shader/x-fragment">
 precision mediump float;
 uniform samplerCube tex;
 varying vec2 texCoord;
 void main()
 {
     gl_FragColor = textureCube(tex, normalize(vec3(texCoord, 1)));
 }
 </script>
 <script>
 description(document.title);
 var wtu = WebGLTestUtils;
 var gl = wtu.create3DContext("example");
 var program = wtu.setupTexturedQuad(gl);
 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
 var tex = gl.createTexture();
 // Check that an NPOT texture not on level 0 generates INVALID_VALUE
 wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255], 1);
 glErrorShouldBe(gl, gl.INVALID_VALUE,
     "gl.texImage2D with NPOT texture with level > 0 should return INVALID_VALUE");
 // Check that an NPOT texture on level 0 succeeds
 wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255]);
 glErrorShouldBe(gl, gl.NO_ERROR,
     "gl.texImage2D with NPOT texture at level 0 should succeed");
 // Check that generateMipmap fails on NPOT
 gl.generateMipmap(gl.TEXTURE_2D);
 glErrorShouldBe(gl, gl.INVALID_OPERATION,
     "gl.generateMipmap with NPOT texture should return INVALID_OPERATION");
 var loc = gl.getUniformLocation(program, "tex");
 gl.uniform1i(loc, 0);
 // Check that nothing is drawn if filtering is not correct for NPOT
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
 wtu.drawQuad(gl);
 wtu.checkCanvas(
     gl, [0, 0, 0, 255],
     "NPOT texture with TEXTURE_WRAP set to REPEAT should draw with 0,0,0,255");
 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR);
 wtu.drawQuad(gl);
 wtu.checkCanvas(
     gl, [0, 0, 0, 255],
     "NPOT texture with TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with 0,0,0,255");
 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
 wtu.drawQuad(gl);
 wtu.checkCanvas(
     gl, [0, 192, 128, 255],
     "NPOT texture with TEXTURE_MIN_FILTER set to LINEAR should draw.");
 gl.copyTexImage2D(gl.TEXTURE_2D, 1, gl.RGBA, 0, 0, 5, 3, 0);
 glErrorShouldBe(gl, gl.INVALID_VALUE,
     "copyTexImage2D with NPOT texture with level > 0 should return INVALID_VALUE.");
 // Check that generateMipmap for an POT texture succeeds
 wtu.fillTexture(gl, tex, 4, 4, [0, 192, 128, 255]);
 gl.generateMipmap(gl.TEXTURE_2D);
 glErrorShouldBe(gl, gl.NO_ERROR,
     "gl.texImage2D and gl.generateMipmap with POT texture at level 0 should succeed");
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
 wtu.drawQuad(gl);
 wtu.checkCanvas(
     gl, [0, 192, 128, 255],
     "POT texture with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR should draw.");
 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
 debug("");
 debug("check using cubemap");
 var program = wtu.setupProgram(
     gl, ['vshader', 'fshader'], ['vPosition', 'texCoord0'], [0, 1]);
 var tex = gl.createTexture();
 // Check that an NPOT texture not on level 0 generates INVALID_VALUE
 fillCubeTexture(gl, tex, 5, 3, [0, 192, 128, 255], 1);
 glErrorShouldBe(gl, gl.INVALID_VALUE,
     "gl.texImage2D with NPOT texture with level > 0 should return INVALID_VALUE");
 // Check that an NPOT texture on level 0 succeeds
 fillCubeTexture(gl, tex, 5, 5, [0, 192, 128, 255]);
 glErrorShouldBe(gl, gl.NO_ERROR,
     "gl.texImage2D with NPOT texture at level 0 should succeed");
 // Check that generateMipmap fails on NPOT
 gl.generateMipmap(gl.TEXTURE_CUBE_MAP);
 glErrorShouldBe(gl, gl.INVALID_OPERATION,
     "gl.generateMipmap with NPOT texture should return INVALID_OPERATION");
 var loc = gl.getUniformLocation(program, "tex");
 gl.uniform1i(loc, 0);
 // Check that nothing is drawn if filtering is not correct for NPOT
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.REPEAT);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.REPEAT);
 wtu.drawQuad(gl);
 wtu.checkCanvas(
     gl, [0, 0, 0, 255],
     "NPOT cubemap with TEXTURE_WRAP set to REPEAT should draw with 0,0,0,255");
 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR);
 wtu.drawQuad(gl);
 wtu.checkCanvas(
     gl, [0, 0, 0, 255],
     "NPOT cubemap with TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with 0,0,0,255");
 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
 wtu.drawQuad(gl);
 wtu.checkCanvas(
     gl, [0, 192, 128, 255],
     "NPOT cubemap with TEXTURE_MIN_FILTER set to LINEAR should draw.");
 // Check that an POT texture on level 0 succeeds
 fillCubeTexture(gl, tex, 4, 4, [0, 192, 128, 255]);
 glErrorShouldBe(gl, gl.NO_ERROR,
     "gl.texImage2D with POT texture at level 0 should succeed");
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.REPEAT);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.REPEAT);
 wtu.drawQuad(gl);
 wtu.checkCanvas(
     gl, [0, 0, 0, 255],
     "POT cubemap with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR but no mips draw with 0,0,0,255");
 // Check that generateMipmap succeeds on POT
 gl.generateMipmap(gl.TEXTURE_CUBE_MAP);
 glErrorShouldBe(gl, gl.NO_ERROR,
     "gl.generateMipmap with POT texture should return succeed");
 wtu.drawQuad(gl);
 wtu.checkCanvas(
     gl, [0, 192, 128, 255],
     "POT cubemap with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR should draw.");
 successfullyParsed = true;
 function fillCubeTexture(gl, tex, width, height, color, opt_level) {
   opt_level = opt_level || 0;
   var canvas = document.createElement('canvas');
   canvas.width = width;
   canvas.height = height;
   var ctx2d = canvas.getContext('2d');
   ctx2d.fillStyle = "rgba(" + color[0] + "," + color[1] + "," + color[2] + "," + color[3] + ")";
   ctx2d.fillRect(0, 0, width, height);
   gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex);
   var targets = [
     gl.TEXTURE_CUBE_MAP_POSITIVE_X,
     gl.TEXTURE_CUBE_MAP_NEGATIVE_X,
     gl.TEXTURE_CUBE_MAP_POSITIVE_Y,
     gl.TEXTURE_CUBE_MAP_NEGATIVE_Y,
     gl.TEXTURE_CUBE_MAP_POSITIVE_Z,
     gl.TEXTURE_CUBE_MAP_NEGATIVE_Z];
   for (var tt = 0; tt < targets.length; ++tt) {
     gl.texImage2D(
         targets[tt], opt_level, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas);
   }
 };
 </script>
 <script>finishTest();</script>
 </body>
 </html>

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content/canvas/test/webgl-conformance/conformance/textures/texture-npot.html@8bccb770b82d (annotated)

content/canvas/test/webgl-conformance/conformance/textures/texture-npot.html