| OLD | NEW |
|---|
| (Empty) | |
| 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> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/