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| 1 <!-- |
| 2 |
| 3 /* |
| 4 ** Copyright (c) 2012 The Khronos Group Inc. |
| 5 ** |
| 6 ** Permission is hereby granted, free of charge, to any person obtaining a |
| 7 ** copy of this software and/or associated documentation files (the |
| 8 ** "Materials"), to deal in the Materials without restriction, including |
| 9 ** without limitation the rights to use, copy, modify, merge, publish, |
| 10 ** distribute, sublicense, and/or sell copies of the Materials, and to |
| 11 ** permit persons to whom the Materials are furnished to do so, subject to |
| 12 ** the following conditions: |
| 13 ** |
| 14 ** The above copyright notice and this permission notice shall be included |
| 15 ** in all copies or substantial portions of the Materials. |
| 16 ** |
| 17 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 18 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 19 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 20 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 21 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 22 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 23 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| 24 */ |
| 25 |
| 26 --> |
| 27 |
| 28 <!DOCTYPE html> |
| 29 <html> |
| 30 <head> |
| 31 <meta charset="utf-8"> |
| 32 <title>WebGL texture2D GLSL conformance test.</title> |
| 33 <link rel="stylesheet" href="../../../resources/js-test-style.css"/> |
| 34 <link rel="stylesheet" href="../../resources/glsl-feature-tests.css"/> |
| 35 <script src="../../../resources/js-test-pre.js"></script> |
| 36 <script src="../../resources/webgl-test.js"> </script> |
| 37 <script src="../../resources/webgl-test-utils.js"> </script> |
| 38 </head> |
| 39 <body> |
| 40 <canvas id="example" width="32" height="32"></canvas> |
| 41 <div id="description"></div> |
| 42 <div id="console"></div> |
| 43 <script id="vshader0" type="x-shader/x-vertex"> |
| 44 attribute vec4 vPosition; |
| 45 attribute vec2 texCoord0; |
| 46 varying vec2 texCoord; |
| 47 void main() { |
| 48 gl_Position = vPosition; |
| 49 texCoord = texCoord0; |
| 50 } |
| 51 </script> |
| 52 <script id="fshader0" type="x-shader/x-fragment"> |
| 53 precision mediump float; |
| 54 uniform sampler2D tex; |
| 55 uniform float divisor; |
| 56 varying vec2 texCoord; |
| 57 void main() { |
| 58 gl_FragData[0] = texture2DProj(tex, vec3(texCoord, divisor)); |
| 59 } |
| 60 </script> |
| 61 <script id="vshader1" type="x-shader/x-vertex"> |
| 62 attribute vec4 vPosition; |
| 63 attribute vec2 texCoord0; |
| 64 varying vec2 texCoord; |
| 65 void main() { |
| 66 gl_Position = vPosition; |
| 67 texCoord = texCoord0; |
| 68 } |
| 69 </script> |
| 70 <script id="fshader1" type="x-shader/x-fragment"> |
| 71 precision mediump float; |
| 72 uniform sampler2D tex; |
| 73 uniform float divisor; |
| 74 varying vec2 texCoord; |
| 75 void main() { |
| 76 gl_FragData[0] = texture2DProj(tex, vec4(texCoord, 123.0, divisor)); |
| 77 } |
| 78 </script> |
| 79 <script> |
| 80 description("tests GLSL texture2DProj function with"); |
| 81 |
| 82 var wtu = WebGLTestUtils; |
| 83 var gl = wtu.create3DContext("example", {antialias: false}); |
| 84 |
| 85 wtu.setupUnitQuad(gl, 0, 1); |
| 86 var tex = gl.createTexture(); |
| 87 gl.bindTexture(gl.TEXTURE_2D, tex); |
| 88 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
| 89 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); |
| 90 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT); |
| 91 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT); |
| 92 |
| 93 var c = document.createElement("canvas"); |
| 94 c.width = 16; |
| 95 c.height = 16; |
| 96 var ctx = c.getContext("2d"); |
| 97 ctx.fillStyle = "rgb(0,255,0)"; |
| 98 ctx.fillRect(0, 0, 16, 16); |
| 99 ctx.fillStyle = "rgb(0,0,255)"; |
| 100 ctx.fillRect(0, 0, 8, 8); |
| 101 ctx.fillRect(8, 8, 8, 8); |
| 102 |
| 103 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, c); |
| 104 |
| 105 for (var ss = 0; ss < 2; ++ss) { |
| 106 debug(""); |
| 107 debug(ss ? "testing vec4 version" : "testing vec3 version"); |
| 108 var program = wtu.setupProgram( |
| 109 gl, ['vshader' + ss, 'fshader' + ss], |
| 110 ['vPosition', 'texCoord0'], [0, 1]); |
| 111 gl.useProgram(program); |
| 112 var loc = gl.getUniformLocation(program, "divisor"); |
| 113 |
| 114 for (var ii = 0; ii < 3; ++ii) { |
| 115 var denominator = Math.pow(2, ii); |
| 116 gl.uniform1f(loc, 1 / denominator); |
| 117 wtu.drawQuad(gl); |
| 118 var size = 16 / denominator; |
| 119 for (var yy = 0; yy < 32; yy += size) { |
| 120 for (var xx = 0; xx < 32; xx += size) { |
| 121 var odd = (xx / size + yy / size) % 2; |
| 122 var color = odd ? [0, 255, 0, 255] : [0, 0, 255, 255]; |
| 123 var msg = "" + xx + ", " + yy + ", " + size + ", " + size + " should be
" + (odd ? "green" : "blue"); |
| 124 wtu.checkCanvasRect(gl, xx, yy, size, size, color, msg); |
| 125 } |
| 126 } |
| 127 } |
| 128 } |
| 129 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors."); |
| 130 |
| 131 successfullyParsed = true; |
| 132 |
| 133 </script> |
| 134 <script src="../../../resources/js-test-post.js"></script> |
| 135 |
| 136 </body> |
| 137 </html> |
| 138 |
| 139 |
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Chromium Code Reviews
Issue 10399113:
Roll webgl conformance tests to r17874: part 2, adding r17874 (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/