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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>Check that the canvas is NOT recomposited after unsucessful draw call</ti
tle> |
| 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 <style> |
| 38 canvas { |
| 39 border: 1px solid black; |
| 40 } |
| 41 .correct { |
| 42 border: 1px solid black; |
| 43 background-color: #ffffff; |
| 44 } |
| 45 </style> |
| 46 </head> |
| 47 <body> |
| 48 <pre> |
| 49 This test must be run manually. |
| 50 |
| 51 This test tests that a canvas is cleared |
| 52 even when a draw call has a zero count. |
| 53 |
| 54 You should see three <span class="correct">white rectangles</span> |
| 55 with black outlines on success. |
| 56 </pre> |
| 57 <canvas id='c1'></canvas> |
| 58 <canvas id='c2'></canvas> |
| 59 <canvas id='c3'></canvas> |
| 60 <div id="console"></div> |
| 61 <script id="vshader" type="x-shader/x-vertex"> |
| 62 void main() { |
| 63 gl_Position = vec4(0,0,0,1); |
| 64 } |
| 65 </script> |
| 66 <script id="fshader" type="x-shader/x-fragment"> |
| 67 precision mediump float; |
| 68 void main() { |
| 69 discard; |
| 70 } |
| 71 </script> |
| 72 <script> |
| 73 "use strict"; |
| 74 var wtu = WebGLTestUtils; |
| 75 var c1 = document.getElementById("c1"); |
| 76 var c2 = document.getElementById("c2"); |
| 77 var c3 = document.getElementById("c2"); |
| 78 var gl1 = wtu.create3DContext(c1); |
| 79 var gl2 = wtu.create3DContext(c2); |
| 80 var gl3 = wtu.create3DContext(c2); |
| 81 gl1.clearColor(0,1,0,1); |
| 82 gl1.clear(gl1.COLOR_BUFFER_BIT); |
| 83 gl2.clearColor(0,1,0,1); |
| 84 gl2.clear(gl2.COLOR_BUFFER_BIT); |
| 85 gl3.clearColor(0,1,0,1); |
| 86 gl3.clear(gl2.COLOR_BUFFER_BIT); |
| 87 |
| 88 wtu.waitForComposite(gl1, function() { |
| 89 // test drawArrays |
| 90 gl1.drawArrays(gl1.TRIANGLES, 0, 0); |
| 91 glErrorShouldBe(gl1, gl1.NO_ERROR, "no errors"); |
| 92 }); |
| 93 |
| 94 wtu.waitForComposite(gl2, function() { |
| 95 // test drawElements |
| 96 var buf = gl2.createBuffer(); |
| 97 gl2.bindBuffer(gl2.ELEMENT_ARRAY_BUFFER, buf); |
| 98 gl2.bufferData(gl2.ELEMENT_ARRAY_BUFFER, new Uint8Array(1), gl2.STATIC_DRAW); |
| 99 gl2.drawElements(gl2.TRIANGLES, 0, gl2.UNSIGNED_SHORT, 0); |
| 100 glErrorShouldBe(gl2, gl2.NO_ERROR, "no errors"); |
| 101 }); |
| 102 |
| 103 wtu.waitForComposite(gl3, function() { |
| 104 // test draw with program. |
| 105 wtu.setupProgram(gl3, ["vshader", "fshader"]); |
| 106 gl1.drawArrays(gl3.TRIANGLES, 0, 0); |
| 107 glErrorShouldBe(gl3, gl2.NO_ERROR, "no errors"); |
| 108 }); |
| 109 |
| 110 </script> |
| 111 </body> |
| 112 </html> |
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Chromium Code Reviews
Issue 41503006:
Add ToT WebGL conformance tests : part 8 (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/webgl/sdk/tests/