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1 <!-- | |
2 Copyright (C) 2011 Apple Computer, Inc. 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 | |
6 are met: | |
7 1. Redistributions of source code must retain the above copyright | |
8 notice, this list of conditions and the following disclaimer. | |
9 2. Redistributions in binary form must reproduce the above copyright | |
10 notice, this list of conditions and the following disclaimer in the | |
11 documentation and/or other materials provided with the distribution. | |
12 | |
13 THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
14 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
15 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
17 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
18 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
19 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
20 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
21 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
23 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 --> | |
25 <!DOCTYPE html> | |
26 <html> | |
27 <head> | |
28 <meta charset="utf-8"> | |
29 <link rel="stylesheet" href="../../resources/js-test-style.css"/> | |
30 <script src="../../resources/js-test-pre.js"></script> | |
31 <script src="../resources/webgl-test.js"></script> | |
32 </head> | |
33 <body> | |
34 <div id="description"></div> | |
35 <div id="console"></div> | |
36 | |
37 <script> | |
38 description("Test of drawElements with out-of-bounds parameters"); | |
39 | |
40 var context = create3DContext(); | |
41 var program = loadStandardProgram(context); | |
42 | |
43 context.useProgram(program); | |
44 var vertexObject = context.createBuffer(); | |
45 context.enableVertexAttribArray(0); | |
46 context.bindBuffer(context.ARRAY_BUFFER, vertexObject); | |
47 context.bufferData(context.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0
, 0.5,-0.5,0 ]), context.STATIC_DRAW); | |
48 context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0); | |
49 | |
50 var indexObject = context.createBuffer(); | |
51 | |
52 debug("Test empty index buffer") | |
53 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject); | |
54 context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint8Array([ ]), context.S
TATIC_DRAW); | |
55 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)"); | |
56 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 10000, context.UNSIGNED_BYTE, 0)"); | |
57 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 10000000000000, context.UNSIGNED_BYTE, 0)"); | |
58 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(cont
ext.TRIANGLES, -1, context.UNSIGNED_BYTE, 0)"); | |
59 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 1, context.UNSIGNED_BYTE, 0)"); | |
60 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(cont
ext.TRIANGLES, 0, context.UNSIGNED_BYTE, -1)"); | |
61 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLES, 0, context.UNSIGNED_BYTE, 0)"); | |
62 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(cont
ext.TRIANGLES, -1, context.UNSIGNED_BYTE, 1)"); | |
63 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(cont
ext.TRIANGLES, 1, context.UNSIGNED_BYTE, -1)"); | |
64 | |
65 debug("") | |
66 debug("Test buffer with 3 byte indexes") | |
67 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject); | |
68 context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint8Array([ 0, 1, 2 ]), co
ntext.STATIC_DRAW); | |
69 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLES, 3, context.UNSIGNED_BYTE, 0)"); | |
70 shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(conte
xt.TRIANGLES, 3, context.UNSIGNED_INT, 0)"); | |
71 shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(0x000
9, 3, context.UNSIGNED_BYTE, 0)"); // GL_POLYGON | |
72 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 3, context.UNSIGNED_BYTE, 2)"); | |
73 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 10000, context.UNSIGNED_BYTE, 0)"); | |
74 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 10000000000000, context.UNSIGNED_BYTE, 0)"); | |
75 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(cont
ext.TRIANGLES, -1, context.UNSIGNED_BYTE, 0)"); | |
76 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(cont
ext.TRIANGLES, 0, context.UNSIGNED_BYTE, -1)"); | |
77 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(cont
ext.TRIANGLES, -1, context.UNSIGNED_BYTE, 1)"); | |
78 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(cont
ext.TRIANGLES, 1, context.UNSIGNED_BYTE, -1)"); | |
79 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLES, 0, context.UNSIGNED_BYTE, 4)"); | |
80 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(cont
ext.TRIANGLES, 0xffffffff, context.UNSIGNED_BYTE, 0)"); | |
81 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 0x7fffffff, context.UNSIGNED_BYTE, 0)"); | |
82 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 0x7fffffff, context.UNSIGNED_BYTE, 0x7fffffff)"); | |
83 | |
84 shouldGenerateGLError(context, context.NO_ERROR, "context.bufferData(context.ELE
MENT_ARRAY_BUFFER, (new Uint8Array([ 3, 0, 1, 2 ])).subarray(1), context.STATIC_
DRAW)"); | |
85 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLES, 3, context.UNSIGNED_BYTE, 0)"); | |
86 shouldGenerateGLError(context, context.NO_ERROR, "context.bufferSubData(context.
ELEMENT_ARRAY_BUFFER, 0, new Uint8Array([ 3, 0, 1]))"); | |
87 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)"); | |
88 shouldGenerateGLError(context, context.NO_ERROR, "context.bufferSubData(context.
ELEMENT_ARRAY_BUFFER, 0, (new Uint8Array([ 3, 0, 1, 2 ])).subarray(1))"); | |
89 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLES, 3, context.UNSIGNED_BYTE, 0)"); | |
90 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLES, 0, context.UNSIGNED_BYTE, 0)"); | |
91 | |
92 debug("") | |
93 debug("Test buffer with interleaved (3+2) float vectors") | |
94 | |
95 var program2 = createProgram(context, | |
96 "attribute vec3 aOne;" + | |
97 "attribute vec2 aTwo;" + | |
98 "void main() { gl_Position = vec4(aOne, 1.0) + vec4
(aTwo, 0.0, 1.0); }", | |
99 "void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1
.0); }", | |
100 [ "aOne", "aTwo" ]); | |
101 if (!program2) { | |
102 testFailed("failed to create test program"); | |
103 } | |
104 | |
105 context.useProgram(program2); | |
106 | |
107 var vbo = context.createBuffer(); | |
108 context.bindBuffer(context.ARRAY_BUFFER, vbo); | |
109 // enough for 9 vertices, so 3 triangles | |
110 context.bufferData(context.ARRAY_BUFFER, new Float32Array(9*5), context.STATIC_D
RAW); | |
111 | |
112 // bind first 3 elements, with a stride of 5 float elements | |
113 context.vertexAttribPointer(0, 3, context.FLOAT, false, 5*4, 0); | |
114 // bind 2 elements, starting after the first 3; same stride of 5 float elements | |
115 context.vertexAttribPointer(1, 2, context.FLOAT, false, 5*4, 3*4); | |
116 | |
117 context.enableVertexAttribArray(0); | |
118 context.enableVertexAttribArray(1); | |
119 | |
120 var ebo = context.createBuffer(); | |
121 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, ebo); | |
122 context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint16Array( | |
123 [ 0, 1, 2, | |
124 1, 2, 0, | |
125 2, 0, 1, | |
126 200, 200, 200, | |
127 0x7fff, 0x7fff, 0x7fff, | |
128 0xffff, 0xffff, 0xffff ]), | |
129 context.STATIC_DRAW); | |
130 | |
131 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLES, 9, context.UNSIGNED_SHORT, 0)"); | |
132 | |
133 // invalid type arguments | |
134 shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(conte
xt.TRIANGLES, 9, context.FLOAT, 0)"); | |
135 shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(conte
xt.TRIANGLES, 9, context.SHORT, 0)"); | |
136 shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(conte
xt.TRIANGLES, 9, context.UNSIGNED_INT, 0)"); | |
137 | |
138 // invalid operation with indices that would be valid with correct bindings | |
139 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 9, context.UNSIGNED_SHORT, 1000)"); | |
140 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 12, context.UNSIGNED_SHORT, 0)"); | |
141 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 15, context.UNSIGNED_SHORT, 0)"); | |
142 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 18, context.UNSIGNED_SHORT, 0)"); | |
143 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 3, context.UNSIGNED_SHORT, 2*15)"); | |
144 | |
145 shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(cont
ext.TRIANGLES, 0xffffffff, context.UNSIGNED_SHORT, 0)"); | |
146 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 0x7fffffff, context.UNSIGNED_SHORT, 0)"); | |
147 | |
148 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLES, 0, context.UNSIGNED_SHORT, 0)"); | |
149 | |
150 // invalid operation with offset that's not a multiple of the type size | |
151 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLES, 6, context.UNSIGNED_SHORT, 0)"); | |
152 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 6, context.UNSIGNED_SHORT, 1)"); | |
153 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLES, 6, context.UNSIGNED_SHORT, 2)"); | |
154 | |
155 // invalid operation if no buffer is bound to ELEMENT_ARRAY_BUFFER | |
156 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, null); | |
157 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 6, context.UNSIGNED_SHORT, 0)"); | |
158 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, ebo); | |
159 | |
160 debug("") | |
161 debug("Test buffer setting attrib 0 to a buffer too small and disable it."); | |
162 var smallVBO = context.createBuffer(); | |
163 shouldBeNonNull('smallVBO'); | |
164 context.bindBuffer(context.ARRAY_BUFFER, smallVBO); | |
165 context.bufferData(context.ARRAY_BUFFER, 1, context.STATIC_DRAW); | |
166 context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0x10); | |
167 context.disableVertexAttribArray(0); | |
168 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLES, 6, context.UNSIGNED_SHORT, 2)"); | |
169 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, null); | |
170 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLES, 6, context.UNSIGNED_SHORT, 2)"); | |
171 debug("") | |
172 successfullyParsed = true; | |
173 </script> | |
174 | |
175 <script src="../../resources/js-test-post.js"></script> | |
176 </body> | |
177 </html> | |
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