The Tor Browser: content/canvas/test/webgl-conformance/conformance/textures/texture-active-bind-2.html@8bccb770b82d (annotated)

content/canvas/test/webgl-conformance/conformance/textures/texture-active-bind-2.html@8bccb770b82d (annotated)

content/canvas/test/webgl-conformance/conformance/textures/texture-active-bind-2.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 ActiveTexture BindTexture conformance test #2</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>
 </head>
 <body>
 <canvas id="example" width="2" height="2" style="width: 40px; height: 40px;"></canvas>
 <canvas id="canvas2d" width="1" height="1" style="width: 40px; height: 40px;"></canvas>
 <div id="description"></div>
 <div id="console"></div>
 <script id="vshader" type="x-shader/x-vertex">
 uniform mat4 world;
 attribute vec3 vPosition;
 attribute vec2 texCoord0;
 varying vec2 texCoord;
 void main()
 {
   gl_Position = world * vec4(vPosition, 1);
   texCoord = texCoord0;
 }
 </script>
 <script id="fshader2d" type="x-shader/x-fragment">
 precision mediump float;
 uniform sampler2D tex2d;
 varying vec2 texCoord;
 void main()
 {
   gl_FragColor = texture2D(tex2d, texCoord);
 }
 </script>
 <script id="fshaderCube" type="x-shader/x-fragment">
 precision mediump float;
 uniform samplerCube texCube;
 void main()
 {
   gl_FragColor = textureCube(texCube, vec3(0,1,0));
 }
 </script>
 <script>
 function init()
 {
   if (window.initNonKhronosFramework) {
     window.initNonKhronosFramework(false);
   }
   description(
       "Tests that binding both TEXTURE_2D and TEXTURE_CUBE_MAP to the same" +
       "active texture unit works as long as they are not used" +
       "simultaneously in the same shader program.");
   var canvas2d = document.getElementById("canvas2d");
   var ctx2d = canvas2d.getContext("2d");
   ctx2d.globalCompositeOperation = "copy";
   gl = initWebGL("example", "vshader", "fshader2d", ["vPosition", "texCoord0"],
                  [ 0, 0, 0, 1 ], 1);
   var program2d = gl.program;
   var programCube = createProgram(
       gl, "vshader", "fshaderCube", ["vPosition", "texCoord0"]);
   gl.disable(gl.DEPTH_TEST);
   gl.disable(gl.BLEND);
   var vertexObject = gl.createBuffer();
   gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
   gl.bufferData(
       gl.ARRAY_BUFFER,
       new Float32Array([-1, 1,0, 1,1,0, -1,-1,0,
                         -1,-1,0, 1,1,0,  1,-1,0]),
       gl.STATIC_DRAW);
   gl.enableVertexAttribArray(0);
   gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
   var vertexObject = gl.createBuffer();
   gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
   gl.bufferData(
       gl.ARRAY_BUFFER,
       new Float32Array([ 0,0, 1,0, 0,1,
 ,1, 1,0, 1,1]),
       gl.STATIC_DRAW);
   gl.enableVertexAttribArray(1);
   gl.vertexAttribPointer(1, 2, gl.FLOAT, false, 0, 0);
   // Make texture unit 1 active.
   gl.activeTexture(gl.TEXTURE1);
   // Make a 2d texture
   var tex2d = gl.createTexture();
   gl.bindTexture(gl.TEXTURE_2D, tex2d);
   ctx2d.fillStyle = "rgba(0, 0, 255, 255)";
   ctx2d.fillRect(0, 0, 1, 1);
   gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d);
   // make a cube texture
   var texCube = gl.createTexture();
   gl.bindTexture(gl.TEXTURE_CUBE_MAP, texCube);
   ctx2d.fillStyle = "rgba(255, 0, 255, 255)";
   ctx2d.fillRect(0, 0, 1, 1);
   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 ii = 0; ii < targets.length; ++ii) {
     gl.texImage2D(targets[ii], 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d);
   }
   // Setup program2d and programCube
   var tex2dLoc = gl.getUniformLocation(program2d, "tex2d");
   var world2dLoc = gl.getUniformLocation(program2d, "world");
   var texCubeLoc = gl.getUniformLocation(programCube, "texCube");
   var worldCubeLoc = gl.getUniformLocation(programCube, "world");
   gl.useProgram(program2d);
   gl.uniform1i(tex2dLoc, 1);
   gl.useProgram(programCube);
   gl.uniform1i(texCubeLoc, 1);
   gl.clearColor(1,0,0,1);
   gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
   var programs = [program2d, programCube];
   var worldLocs = [world2dLoc, worldCubeLoc];
   for (var ii = 0; ii < 4; ++ii) {
     var x = ii % 2;
     var y = Math.floor(ii / 2);
     gl.useProgram(programs[x]);
     gl.uniformMatrix4fv(
         worldLocs[x], false,
         [0.5, 0, 0, 0,
 , 0.5, 0, 0,
 , 0, 1, 0,
          -0.5 + x, -0.5 + y, 0, 1]);
     gl.drawArrays(gl.TRIANGLES, 0, 6);
   }
   var colors = [
       [0,0,255,255],
       [255,0,255,255],
       [0,0,255,255],
       [255,0,255,255]];
   for (var ii = 0; ii < colors.length; ++ii) {
     var c = colors[ii];
     var x = ii % 2;
     var y = Math.floor(ii / 2);
     var buf = new Uint8Array(4);
     gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, buf);
     var msg = 'expected:' +
         c[0] + ', ' + c[1] + ', ' + c[2] + ', ' + c[3] + ' found: ' +
         buf[0] + ', ' +
         buf[1] + ', ' +
         buf[2] + ', ' +
         buf[3];
     if (buf[0] != c[0] ||
         buf[1] != c[1] ||
         buf[2] != c[2] ||
         buf[3] != c[3]) {
       testFailed(msg);
       return;
     }
     testPassed(msg);
   }
 }
 init();
 successfullyParsed = true;
 </script>
 <script>finishTest();</script>
 </body>
 </html>

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content/canvas/test/webgl-conformance/conformance/textures/texture-active-bind-2.html@8bccb770b82d (annotated)

content/canvas/test/webgl-conformance/conformance/textures/texture-active-bind-2.html