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Issue 8342021: Add webgl conformance tests r15841. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 9 years, 2 months ago
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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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