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| 1 <!-- | |
| 2 Copyright (C) 2009 Apple Computer, Inc. All rights reserved. | |
| 3 | |
| 4 Redistribution and use in source and binary forms, with or without | |
| 5 modification, are permitted provided that the following conditions | |
| 6 are met: | |
| 7 1. Redistributions of source code must retain the above copyright | |
| 8 notice, this list of conditions and the following disclaimer. | |
| 9 2. Redistributions in binary form must reproduce the above copyright | |
| 10 notice, this list of conditions and the following disclaimer in the | |
| 11 documentation and/or other materials provided with the distribution. | |
| 12 | |
| 13 THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 --> | |
| 25 | |
| 26 <!DOCTYPE html> | |
| 27 <html> | |
| 28 <head> | |
| 29 <title>Rendering Test</title> | |
| 30 <link rel="stylesheet" href="../resources/js-test-style.css"/> | |
| 31 <script src="../resources/js-test-pre.js"></script> | |
| 32 <script src="resources/webgl-test.js"> </script> | |
| 33 </head> | |
| 34 <body> | |
| 35 <canvas id="example" width="50" height="50"> | |
| 36 There is supposed to be an example drawing here, but it's not important. | |
| 37 </canvas> | |
| 38 <div id="description"></div> | |
| 39 <div id="console"></div> | |
| 40 <script id="vshader" type="x-shader/x-vertex"> | |
| 41 attribute vec4 vPosition; | |
| 42 void main() | |
| 43 { | |
| 44 gl_Position = vPosition; | |
| 45 } | |
| 46 </script> | |
| 47 | |
| 48 <script id="fshader" type="x-shader/x-fragment"> | |
| 49 void main() | |
| 50 { | |
| 51 gl_FragColor = vec4(1.0,0.0,0.0,1.0); | |
| 52 } | |
| 53 </script> | |
| 54 | |
| 55 <script> | |
| 56 function fail(x,y, buf, shouldBe) | |
| 57 { | |
| 58 var i = (y*50+x) * 4; | |
| 59 var reason = "pixel at ("+x+","+y+") is ("+buf[i]+","+buf[i+1]+","+b
uf[i+2]+","+buf[i+3]+"), should be "+shouldBe; | |
| 60 testFailed(reason); | |
| 61 } | |
| 62 | |
| 63 function pass() | |
| 64 { | |
| 65 testPassed("drawing is correct"); | |
| 66 } | |
| 67 | |
| 68 function init() | |
| 69 { | |
| 70 if (window.initNonKhronosFramework) { | |
| 71 window.initNonKhronosFramework(false); | |
| 72 } | |
| 73 | |
| 74 gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0,
0, 0, 1 ], 1); | |
| 75 | |
| 76 var vertexObject = gl.createBuffer(); | |
| 77 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); | |
| 78 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5
,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW); | |
| 79 gl.enableVertexAttribArray(0); | |
| 80 gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); | |
| 81 | |
| 82 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
| 83 gl.drawArrays(gl.TRIANGLES, 0, 3); | |
| 84 | |
| 85 var buf = new Uint8Array(50 * 50 * 4); | |
| 86 gl.readPixels(0, 0, 50, 50, gl.RGBA, gl.UNSIGNED_BYTE, buf); | |
| 87 | |
| 88 // Test several locations | |
| 89 // First line should be all black | |
| 90 for (var i = 0; i < 50; ++i) | |
| 91 if (buf[i*4] != 0 || buf[i*4+1] != 0 || buf[i*4+2] != 0 || buf[i
*4+3] != 255) { | |
| 92 fail(i, 0, buf, "(0,0,0,255)"); | |
| 93 return; | |
| 94 } | |
| 95 | |
| 96 // Line 15 should be red for at least 10 red pixels starting 20 pixe
ls in | |
| 97 var offset = (15*50+20) * 4; | |
| 98 for (var i = 0; i < 10; ++i) | |
| 99 if (buf[offset+i*4] != 255 || buf[offset+i*4+1] != 0 || buf[offs
et+i*4+2] != 0 || buf[offset+i*4+3] != 255) { | |
| 100 fail(20 + i, 15, buf, "(255,0,0,255)"); | |
| 101 return; | |
| 102 } | |
| 103 // Last line should be all black | |
| 104 offset = (49*50) * 4; | |
| 105 for (var i = 0; i < 50; ++i) | |
| 106 if (buf[offset+i*4] != 0 || buf[offset+i*4+1] != 0 || buf[offset
+i*4+2] != 0 || buf[offset+i*4+3] != 255) { | |
| 107 fail(i, 49, buf, "(0,0,0,255)"); | |
| 108 return; | |
| 109 } | |
| 110 | |
| 111 pass(); | |
| 112 } | |
| 113 | |
| 114 init(); | |
| 115 successfullyParsed = true; | |
| 116 </script> | |
| 117 </body> | |
| 118 <script src="../resources/js-test-post.js"></script> | |
| 119 | |
| 120 </body> | |
| 121 </html> | |
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Chromium Code Reviews
Issue 9360034:
Remove everthing except conformance tests in the deps/third_party/webgl (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/