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| 1 <!-- | |
| 2 Copyright (c) 2011 The Chromium Authors. 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 are | |
| 6 met: | |
| 7 | |
| 8 * Redistributions of source code must retain the above copyright | |
| 9 notice, this list of conditions and the following disclaimer. | |
| 10 * Redistributions in binary form must reproduce the above | |
| 11 copyright notice, this list of conditions and the following disclaimer | |
| 12 in the documentation and/or other materials provided with the | |
| 13 distribution. | |
| 14 * Neither the name of Google Inc. nor the names of its | |
| 15 contributors may be used to endorse or promote products derived from | |
| 16 this software without specific prior written permission. | |
| 17 | |
| 18 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 --> | |
| 30 <!DOCTYPE html> | |
| 31 <html> | |
| 32 <head> | |
| 33 <meta charset="utf-8"> | |
| 34 <link rel="stylesheet" href="../resources/js-test-style.css"/> | |
| 35 <script src="../resources/js-test-pre.js"></script> | |
| 36 <script src="resources/webgl-test.js"></script> | |
| 37 </head> | |
| 38 <body> | |
| 39 <div id="description"></div> | |
| 40 <div id="console"></div> | |
| 41 | |
| 42 <script> | |
| 43 description("Tests that index validation verifies the correct number of indices"
); | |
| 44 | |
| 45 function sizeInBytes(type) { | |
| 46 switch (type) { | |
| 47 case gl.BYTE: | |
| 48 case gl.UNSIGNED_BYTE: | |
| 49 return 1; | |
| 50 case gl.SHORT: | |
| 51 case gl.UNSIGNED_SHORT: | |
| 52 return 2; | |
| 53 case gl.INT: | |
| 54 case gl.UNSIGNED_INT: | |
| 55 case gl.FLOAT: | |
| 56 return 4; | |
| 57 default: | |
| 58 throw "unknown type"; | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 var gl = create3DContext(); | |
| 63 var program = loadStandardProgram(gl); | |
| 64 | |
| 65 // 3 vertices => 1 triangle, interleaved data | |
| 66 var dataComplete = new Float32Array([0, 0, 0, 1, | |
| 67 0, 0, 1, | |
| 68 1, 0, 0, 1, | |
| 69 0, 0, 1, | |
| 70 1, 1, 1, 1, | |
| 71 0, 0, 1]); | |
| 72 var dataIncomplete = new Float32Array([0, 0, 0, 1, | |
| 73 0, 0, 1, | |
| 74 1, 0, 0, 1, | |
| 75 0, 0, 1, | |
| 76 1, 1, 1, 1]); | |
| 77 var indices = new Uint16Array([0, 1, 2]); | |
| 78 | |
| 79 debug("Testing with valid indices"); | |
| 80 | |
| 81 var bufferComplete = gl.createBuffer(); | |
| 82 gl.bindBuffer(gl.ARRAY_BUFFER, bufferComplete); | |
| 83 gl.bufferData(gl.ARRAY_BUFFER, dataComplete, gl.STATIC_DRAW); | |
| 84 var elements = gl.createBuffer(); | |
| 85 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, elements); | |
| 86 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW); | |
| 87 gl.useProgram(program); | |
| 88 var vertexLoc = gl.getAttribLocation(program, "a_vertex"); | |
| 89 var normalLoc = gl.getAttribLocation(program, "a_normal"); | |
| 90 gl.vertexAttribPointer(vertexLoc, 4, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
0); | |
| 91 gl.enableVertexAttribArray(vertexLoc); | |
| 92 gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
4 * sizeInBytes(gl.FLOAT)); | |
| 93 gl.enableVertexAttribArray(normalLoc); | |
| 94 shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE')
; | |
| 95 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 96 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 97 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 98 | |
| 99 debug("Testing with out-of-range indices"); | |
| 100 | |
| 101 var bufferIncomplete = gl.createBuffer(); | |
| 102 gl.bindBuffer(gl.ARRAY_BUFFER, bufferIncomplete); | |
| 103 gl.bufferData(gl.ARRAY_BUFFER, dataIncomplete, gl.STATIC_DRAW); | |
| 104 gl.vertexAttribPointer(vertexLoc, 4, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
0); | |
| 105 gl.enableVertexAttribArray(vertexLoc); | |
| 106 gl.disableVertexAttribArray(normalLoc); | |
| 107 debug("Enable vertices, valid"); | |
| 108 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 109 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 110 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 111 debug("Enable normals, out-of-range"); | |
| 112 gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
4 * sizeInBytes(gl.FLOAT)); | |
| 113 gl.enableVertexAttribArray(normalLoc); | |
| 114 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 115 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 116 glErrorShouldBe(gl, gl.INVALID_OPERATION); | |
| 117 | |
| 118 debug("Test with enabled attribute that does not belong to current program"); | |
| 119 | |
| 120 gl.disableVertexAttribArray(normalLoc); | |
| 121 var extraLoc = Math.max(vertexLoc, normalLoc) + 1; | |
| 122 gl.enableVertexAttribArray(extraLoc); | |
| 123 debug("Enable an extra attribute with null"); | |
| 124 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 125 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 126 glErrorShouldBe(gl, gl.INVALID_OPERATION); | |
| 127 debug("Enable an extra attribute with insufficient data buffer"); | |
| 128 gl.vertexAttribPointer(extraLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
4 * sizeInBytes(gl.FLOAT)); | |
| 129 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 130 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 131 gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
-2000000000 * sizeInBytes(gl.FLOAT)); | |
| 132 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 133 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 134 | |
| 135 successfullyParsed = true; | |
| 136 </script> | |
| 137 | |
| 138 <script src="../resources/js-test-post.js"></script> | |
| 139 </body> | |
| 140 </html> | |
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Chromium Code Reviews
Issue 8344024:
Remove older revision of webgl conformance tests. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/