The Tor Browser / file comparison
comparison: content/canvas/test/webgl-conformance/conformance/glsl/samplers/glsl-function-texture2d-bias.html
content/canvas/test/webgl-conformance/conformance/glsl/samplers/glsl-function-texture2d-bias.html
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:3e4f20165cb8 |
|---|---|
| 1 <!-- | |
| 2 Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 3 Use of this source code is governed by a BSD-style license that can be | |
| 4 found in the LICENSE file. | |
| 5 --> | |
| 6 <!DOCTYPE html> | |
| 7 <html> | |
| 8 <head> | |
| 9 <meta charset="utf-8"> | |
| 10 <title>WebGL texture2D GLSL conformance test.</title> | |
| 11 <link rel="stylesheet" href="../../../resources/js-test-style.css"/> | |
| 12 <link rel="stylesheet" href="../../resources/glsl-feature-tests.css"/> | |
| 13 <script src="../../../resources/js-test-pre.js"></script> | |
| 14 <script src="../../resources/webgl-test.js"> </script> | |
| 15 <script src="../../resources/webgl-test-utils.js"> </script> | |
| 16 </head> | |
| 17 <body> | |
| 18 <canvas id="example" width="256" height="256" style="width: 16px; height: 16px;"></canvas> | |
| 19 <div id="description"></div> | |
| 20 <div id="console"></div> | |
| 21 <script id="vshader2d" type="x-shader/x-vertex"> | |
| 22 attribute vec4 vPosition; | |
| 23 attribute vec2 texCoord0; | |
| 24 varying vec2 texCoord; | |
| 25 void main() { | |
| 26 gl_Position = vPosition; | |
| 27 texCoord = texCoord0; | |
| 28 } | |
| 29 </script> | |
| 30 <script id="fshader2d" type="x-shader/x-fragment"> | |
| 31 precision mediump float; | |
| 32 uniform sampler2D tex; | |
| 33 uniform float bias; | |
| 34 varying vec2 texCoord; | |
| 35 void main() { | |
| 36 gl_FragData[0] = texture2D(tex, texCoord, bias); | |
| 37 } | |
| 38 </script> | |
| 39 <script> | |
| 40 description("tests GLSL texture2D function with bias"); | |
| 41 | |
| 42 var wtu = WebGLTestUtils; | |
| 43 var canvas = document.getElementById("example"); | |
| 44 | |
| 45 shouldBe("canvas.width", "256"); | |
| 46 shouldBe("canvas.height", "256"); | |
| 47 | |
| 48 var gl = wtu.create3DContext(canvas); | |
| 49 var program = wtu.setupProgram( | |
| 50 gl, ['vshader2d', 'fshader2d'], ['vPosition', 'texCoord0'], [0, 1]); | |
| 51 wtu.setupUnitQuad(gl, 0, 1); | |
| 52 | |
| 53 var colors = [ | |
| 54 {name: 'red', color:[255, 0, 0, 255]}, | |
| 55 {name: 'green', color:[0, 255, 0, 255]}, | |
| 56 {name: 'blue', color:[0, 0, 255, 255]}, | |
| 57 {name: 'yellow', color:[255, 255, 0, 255]}, | |
| 58 {name: 'magenta', color:[255, 0, 255, 255]}, | |
| 59 {name: 'cyan', color:[0, 255, 255, 255]}, | |
| 60 {name: 'pink', color:[255, 128, 128, 255]}, | |
| 61 {name: 'gray', color:[128, 128, 128, 255]}, | |
| 62 {name: 'light green', color:[128, 255, 128, 255]}, | |
| 63 ]; | |
| 64 | |
| 65 shouldBe("colors.length", "9"); | |
| 66 | |
| 67 var tex = gl.createTexture(); | |
| 68 gl.bindTexture(gl.TEXTURE_2D, tex); | |
| 69 gl.texParameteri( | |
| 70 gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_NEAREST); | |
| 71 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); | |
| 72 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT); | |
| 73 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT); | |
| 74 | |
| 75 for (var ii = 0; ii < colors.length; ++ii) { | |
| 76 var color = colors[ii]; | |
| 77 var size = Math.pow(2, colors.length - ii - 1); | |
| 78 wtu.fillTexture(gl, tex, size, size, color.color, ii); | |
| 79 } | |
| 80 | |
| 81 var loc = gl.getUniformLocation(program, "bias"); | |
| 82 | |
| 83 for (var ii = 0; ii < colors.length; ++ii) { | |
| 84 gl.uniform1f(loc, ii); | |
| 85 var color = colors[ii]; | |
| 86 wtu.drawQuad(gl); | |
| 87 wtu.checkCanvas( | |
| 88 gl, color.color, | |
| 89 "256x256 texture drawn to 256x256 dest with bias = " + ii + | |
| 90 " should be " + color.name); | |
| 91 } | |
| 92 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors."); | |
| 93 | |
| 94 successfullyParsed = true; | |
| 95 | |
| 96 </script> | |
| 97 <script>finishTest();</script> | |
| 98 | |
| 99 </body> | |
| 100 </html> | |
| 101 | |
| 102 |
