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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>gl-fragcoord Test</title> |
| 33 <link rel="stylesheet" href="../../../resources/js-test-style.css"/> |
| 34 <script src="../../../resources/js-test-pre.js"></script> |
| 35 <script src="../../resources/webgl-test.js"> </script> |
| 36 <script src="../../resources/webgl-test-utils.js"> </script> |
| 37 </head> |
| 38 <body> |
| 39 <canvas id="example" width="32" height="32"> |
| 40 </canvas> |
| 41 <div id="description"></div> |
| 42 <div id="console"></div> |
| 43 <script id="vshader" type="x-shader/x-vertex"> |
| 44 attribute vec4 vPosition; |
| 45 void main() |
| 46 { |
| 47 gl_Position = vPosition; |
| 48 } |
| 49 </script> |
| 50 |
| 51 <script id="fshader" type="x-shader/x-fragment"> |
| 52 precision mediump float; |
| 53 void main() |
| 54 { |
| 55 gl_FragColor = vec4( |
| 56 floor(gl_FragCoord.x * 4.0 / 32.0) / 4.0, |
| 57 floor(gl_FragCoord.y * 4.0 / 32.0) / 4.0, |
| 58 floor(gl_FragCoord.z * 4.0) / 4.0, |
| 59 1); |
| 60 } |
| 61 </script> |
| 62 |
| 63 <script> |
| 64 function init() |
| 65 { |
| 66 if (window.initNonKhronosFramework) { |
| 67 window.initNonKhronosFramework(false); |
| 68 } |
| 69 |
| 70 description("tests gl_FragCoord"); |
| 71 |
| 72 wtu = WebGLTestUtils; |
| 73 gl = initWebGL("example"); |
| 74 program = setupProgram(gl, "vshader", "fshader", [ "vPosition"]); |
| 75 |
| 76 var vertexObject = gl.createBuffer(); |
| 77 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); |
| 78 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array( |
| 79 [-1, -1, -1, 1, -1, 0, -1, 1, 0, |
| 80 -1, 1, 0, 1, -1, 0, 1, 1, 1]), |
| 81 gl.STATIC_DRAW); |
| 82 gl.enableVertexAttribArray(0); |
| 83 gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); |
| 84 |
| 85 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); |
| 86 gl.drawArrays(gl.TRIANGLES, 0, 6); |
| 87 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors from draw"); |
| 88 |
| 89 for (var xx = 0; xx < 32; xx += 4) { |
| 90 for (var yy = 0; yy < 32; yy += 4) { |
| 91 var zz = (xx / 64) + (yy / 64); |
| 92 var color = [ |
| 93 Math.floor(Math.floor(xx * 4.0 / 32.0) / 4 * 256), |
| 94 Math.floor(Math.floor(yy * 4.0 / 32.0) / 4 * 256), |
| 95 Math.floor(Math.floor(zz * 4.0) / 4 * 256) |
| 96 ]; |
| 97 var msg = "should be " + color; |
| 98 wtu.checkCanvasRect( |
| 99 gl, xx, yy, 1, 1, color, msg, 4); |
| 100 } |
| 101 } |
| 102 } |
| 103 |
| 104 init(); |
| 105 successfullyParsed = true; |
| 106 </script> |
| 107 <script src="../../../resources/js-test-post.js"></script> |
| 108 |
| 109 </body> |
| 110 </html> |
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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/