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| 1 <!-- | |
| 2 Copyright (c) 2009 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 <html> | |
| 31 <head> | |
| 32 <link rel="stylesheet" href="../resources/js-test-style.css"/> | |
| 33 <script src="../resources/js-test-pre.js"></script> | |
| 34 <script src="resources/webgl-test.js"></script> | |
| 35 </head> | |
| 36 <body> | |
| 37 <div id="description"></div> | |
| 38 <div id="console"></div> | |
| 39 | |
| 40 <script> | |
| 41 description("Tests that index validation verifies the correct number of indices"
); | |
| 42 | |
| 43 function sizeInBytes(type) { | |
| 44 switch (type) { | |
| 45 case gl.BYTE: | |
| 46 case gl.UNSIGNED_BYTE: | |
| 47 return 1; | |
| 48 case gl.SHORT: | |
| 49 case gl.UNSIGNED_SHORT: | |
| 50 return 2; | |
| 51 case gl.INT: | |
| 52 case gl.UNSIGNED_INT: | |
| 53 case gl.FLOAT: | |
| 54 return 4; | |
| 55 default: | |
| 56 throw "unknown type"; | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 var gl = create3DContext(); | |
| 61 var program = loadStandardProgram(gl); | |
| 62 | |
| 63 // 3 vertices => 1 triangle, interleaved data | |
| 64 var dataComplete = new Float32Array([0, 0, 0, 1, | |
| 65 0, 0, 1, | |
| 66 1, 0, 0, 1, | |
| 67 0, 0, 1, | |
| 68 1, 1, 1, 1, | |
| 69 0, 0, 1]); | |
| 70 var dataIncomplete = new Float32Array([0, 0, 0, 1, | |
| 71 0, 0, 1, | |
| 72 1, 0, 0, 1, | |
| 73 0, 0, 1, | |
| 74 1, 1, 1, 1]); | |
| 75 var indices = new Uint16Array([0, 1, 2]); | |
| 76 | |
| 77 debug("Testing with valid indices"); | |
| 78 | |
| 79 var bufferComplete = gl.createBuffer(); | |
| 80 gl.bindBuffer(gl.ARRAY_BUFFER, bufferComplete); | |
| 81 gl.bufferData(gl.ARRAY_BUFFER, dataComplete, gl.STATIC_DRAW); | |
| 82 var elements = gl.createBuffer(); | |
| 83 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, elements); | |
| 84 gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW); | |
| 85 gl.useProgram(program); | |
| 86 var vertexLoc = gl.getAttribLocation(program, "a_vertex"); | |
| 87 var normalLoc = gl.getAttribLocation(program, "a_normal"); | |
| 88 gl.vertexAttribPointer(vertexLoc, 4, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
0); | |
| 89 gl.enableVertexAttribArray(vertexLoc); | |
| 90 gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
4 * sizeInBytes(gl.FLOAT)); | |
| 91 gl.enableVertexAttribArray(normalLoc); | |
| 92 shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE')
; | |
| 93 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 94 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 95 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 96 | |
| 97 debug("Testing with out-of-range indices"); | |
| 98 | |
| 99 var bufferIncomplete = gl.createBuffer(); | |
| 100 gl.bindBuffer(gl.ARRAY_BUFFER, bufferIncomplete); | |
| 101 gl.bufferData(gl.ARRAY_BUFFER, dataIncomplete, gl.STATIC_DRAW); | |
| 102 gl.vertexAttribPointer(vertexLoc, 4, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
0); | |
| 103 gl.enableVertexAttribArray(vertexLoc); | |
| 104 gl.disableVertexAttribArray(normalLoc); | |
| 105 debug("Enable vertices, valid"); | |
| 106 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 107 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 108 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 109 debug("Enable normals, out-of-range"); | |
| 110 gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
4 * sizeInBytes(gl.FLOAT)); | |
| 111 gl.enableVertexAttribArray(normalLoc); | |
| 112 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 113 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 114 glErrorShouldBe(gl, gl.INVALID_OPERATION); | |
| 115 | |
| 116 debug("Test with enabled attribute that does not belong to current program"); | |
| 117 | |
| 118 gl.disableVertexAttribArray(normalLoc); | |
| 119 var extraLoc = Math.max(vertexLoc, normalLoc) + 1; | |
| 120 gl.enableVertexAttribArray(extraLoc); | |
| 121 debug("Enable an extra attribute with null"); | |
| 122 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 123 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 124 glErrorShouldBe(gl, gl.INVALID_OPERATION); | |
| 125 debug("Enable an extra attribute with insufficient data buffer"); | |
| 126 gl.vertexAttribPointer(extraLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
4 * sizeInBytes(gl.FLOAT)); | |
| 127 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 128 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 129 gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT),
-2000000000 * sizeInBytes(gl.FLOAT)); | |
| 130 glErrorShouldBe(gl, gl.NO_ERROR); | |
| 131 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)'); | |
| 132 | |
| 133 successfullyParsed = true; | |
| 134 </script> | |
| 135 | |
| 136 <script src="../resources/js-test-post.js"></script> | |
| 137 </body> | |
| 138 </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/