1 : /* -*- Mode: c++; c-basic-offset: 4; tab-width: 40; indent-tabs-mode: nil -*- */
2 : /* vim: set ts=40 sw=4 et tw=99: */
3 : /* ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is Mozilla WebGL impl
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Mozilla Foundation
20 : * Portions created by the Initial Developer are Copyright (C) 2009
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : * Nikhil Marathe <nsm.nikhil@gmail.com>
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either of the GNU General Public License Version 2 or later (the "GPL"),
28 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 : * in which case the provisions of the GPL or the LGPL are applicable instead
30 : * of those above. If you wish to allow use of your version of this file only
31 : * under the terms of either the GPL or the LGPL, and not to allow others to
32 : * use your version of this file under the terms of the MPL, indicate your
33 : * decision by deleting the provisions above and replace them with the notice
34 : * and other provisions required by the GPL or the LGPL. If you do not delete
35 : * the provisions above, a recipient may use your version of this file under
36 : * the terms of any one of the MPL, the GPL or the LGPL.
37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 : #ifndef jstypedarrayinlines_h
41 : #define jstypedarrayinlines_h
42 :
43 : #include "jsapi.h"
44 : #include "jsobj.h"
45 :
46 : inline uint32_t
47 8325 : JSObject::arrayBufferByteLength()
48 : {
49 8325 : JS_ASSERT(isArrayBuffer());
50 8325 : return getElementsHeader()->length;
51 : }
52 :
53 : inline uint8_t *
54 11601 : JSObject::arrayBufferDataOffset()
55 : {
56 11601 : return (uint8_t *) elements;
57 : }
58 :
59 : namespace js {
60 :
61 : static inline int32_t
62 79 : ClampIntForUint8Array(int32_t x)
63 : {
64 79 : if (x < 0)
65 13 : return 0;
66 66 : if (x > 255)
67 33 : return 255;
68 33 : return x;
69 : }
70 :
71 : inline uint32_t
72 38777792 : TypedArray::getLength(JSObject *obj) {
73 38777792 : JS_ASSERT(IsFastOrSlowTypedArray(obj));
74 38777792 : return obj->getFixedSlot(FIELD_LENGTH).toInt32();
75 : }
76 :
77 : inline uint32_t
78 12384 : TypedArray::getByteOffset(JSObject *obj) {
79 12384 : JS_ASSERT(IsFastOrSlowTypedArray(obj));
80 12384 : return obj->getFixedSlot(FIELD_BYTEOFFSET).toInt32();
81 : }
82 :
83 : inline uint32_t
84 5724 : TypedArray::getByteLength(JSObject *obj) {
85 5724 : JS_ASSERT(IsFastOrSlowTypedArray(obj));
86 5724 : return obj->getFixedSlot(FIELD_BYTELENGTH).toInt32();
87 : }
88 :
89 : inline uint32_t
90 2773 : TypedArray::getType(JSObject *obj) {
91 2773 : JS_ASSERT(IsFastOrSlowTypedArray(obj));
92 2773 : return obj->getFixedSlot(FIELD_TYPE).toInt32();
93 : }
94 :
95 : inline JSObject *
96 11916 : TypedArray::getBuffer(JSObject *obj) {
97 11916 : JS_ASSERT(IsFastOrSlowTypedArray(obj));
98 11916 : return &obj->getFixedSlot(FIELD_BUFFER).toObject();
99 : }
100 :
101 : inline void *
102 57368 : TypedArray::getDataOffset(JSObject *obj) {
103 57368 : JS_ASSERT(IsFastOrSlowTypedArray(obj));
104 57368 : return (void *)obj->getPrivate(NUM_FIXED_SLOTS);
105 : }
106 :
107 : }
108 : #endif /* jstypedarrayinlines_h */
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