1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
<!--
Copyright (C) 2011 Apple Computer, Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="../../resources/js-test-style.css"/>
<script src="../../resources/js-test-pre.js"></script>
<script src="../resources/webgl-test.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script>
description("Test of drawElements with out-of-bounds parameters");
var context = create3DContext();
var program = loadStandardProgram(context);
context.useProgram(program);
var vertexObject = context.createBuffer();
context.enableVertexAttribArray(0);
context.bindBuffer(context.ARRAY_BUFFER, vertexObject);
context.bufferData(context.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), context.STATIC_DRAW);
context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0);
var indexObject = context.createBuffer();
debug("Test empty index buffer")
context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject);
context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint8Array([ ]), context.STATIC_DRAW);
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000000000000, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 1, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, -1)");
shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 1)");
shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 1, context.UNSIGNED_BYTE, -1)");
debug("")
debug("Test buffer with 3 byte indexes")
context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject);
context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint8Array([ 0, 1, 2 ]), context.STATIC_DRAW);
shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_INT, 0)");
shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(0x0009, 3, context.UNSIGNED_BYTE, 0)"); // GL_POLYGON
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 2)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000000000000, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, -1)");
shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 1)");
shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 1, context.UNSIGNED_BYTE, -1)");
shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, 4)");
shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0xffffffff, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 0x7fffffff, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 0x7fffffff, context.UNSIGNED_BYTE, 0x7fffffff)");
shouldGenerateGLError(context, context.NO_ERROR, "context.bufferData(context.ELEMENT_ARRAY_BUFFER, (new Uint8Array([ 3, 0, 1, 2 ])).subarray(1), context.STATIC_DRAW)");
shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.NO_ERROR, "context.bufferSubData(context.ELEMENT_ARRAY_BUFFER, 0, new Uint8Array([ 3, 0, 1]))");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.NO_ERROR, "context.bufferSubData(context.ELEMENT_ARRAY_BUFFER, 0, (new Uint8Array([ 3, 0, 1, 2 ])).subarray(1))");
shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");
shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, 0)");
debug("")
debug("Test buffer with interleaved (3+2) float vectors")
var program2 = createProgram(context,
"attribute vec3 aOne;" +
"attribute vec2 aTwo;" +
"void main() { gl_Position = vec4(aOne, 1.0) + vec4(aTwo, 0.0, 1.0); }",
"void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }",
[ "aOne", "aTwo" ]);
if (!program2) {
testFailed("failed to create test program");
}
context.useProgram(program2);
var vbo = context.createBuffer();
context.bindBuffer(context.ARRAY_BUFFER, vbo);
// enough for 9 vertices, so 3 triangles
context.bufferData(context.ARRAY_BUFFER, new Float32Array(9*5), context.STATIC_DRAW);
// bind first 3 elements, with a stride of 5 float elements
context.vertexAttribPointer(0, 3, context.FLOAT, false, 5*4, 0);
// bind 2 elements, starting after the first 3; same stride of 5 float elements
context.vertexAttribPointer(1, 2, context.FLOAT, false, 5*4, 3*4);
context.enableVertexAttribArray(0);
context.enableVertexAttribArray(1);
var ebo = context.createBuffer();
context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, ebo);
context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint16Array(
[ 0, 1, 2,
1, 2, 0,
2, 0, 1,
200, 200, 200,
0x7fff, 0x7fff, 0x7fff,
0xffff, 0xffff, 0xffff ]),
context.STATIC_DRAW);
shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 9, context.UNSIGNED_SHORT, 0)");
// invalid type arguments
shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 9, context.FLOAT, 0)");
shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 9, context.SHORT, 0)");
shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 9, context.UNSIGNED_INT, 0)");
// invalid operation with indices that would be valid with correct bindings
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 9, context.UNSIGNED_SHORT, 1000)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 12, context.UNSIGNED_SHORT, 0)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 15, context.UNSIGNED_SHORT, 0)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 18, context.UNSIGNED_SHORT, 0)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_SHORT, 2*15)");
shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0xffffffff, context.UNSIGNED_SHORT, 0)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 0x7fffffff, context.UNSIGNED_SHORT, 0)");
shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_SHORT, 0)");
// invalid operation with offset that's not a multiple of the type size
shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 0)");
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 1)");
shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 2)");
// invalid operation if no buffer is bound to ELEMENT_ARRAY_BUFFER
context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, null);
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 0)");
context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, ebo);
debug("")
debug("Test buffer setting attrib 0 to a buffer too small and disable it.");
var smallVBO = context.createBuffer();
shouldBeNonNull('smallVBO');
context.bindBuffer(context.ARRAY_BUFFER, smallVBO);
context.bufferData(context.ARRAY_BUFFER, 1, context.STATIC_DRAW);
context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0x10);
context.disableVertexAttribArray(0);
shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 2)");
context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, null);
shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 2)");
debug("")
successfullyParsed = true;
</script>
<script>finishTest();</script>
</body>
</html>
|
