opencl-1.2-html-doc 1.0~svn33624-1 / usr / share / doc / opencl-1.2-html-doc / restrictions.html

This file is indexed.

/usr/share/doc/opencl-1.2-html-doc/restrictions.html is in opencl-1.2-html-doc 1.0~svn33624-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

  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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd">
<!-- saved from url=(0013)about:internet -->
<?xml-stylesheet type="text/xsl" href="mathml.xsl"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:pref="http://www.w3.org/2002/Math/preference" xmlns:xlink="http://www.w3.org/1999/xlink" pref:renderer="mathplayer-dl">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <style xmlns="" type="text/css">
    /* This style sets a margin around the entire page */
        html, body {
            margin: 10px;
        }

        p {
            font: normal 16px verdana, sans-serif;
            margin: 0;
            padding-bottom:12px;
        }

        h1 {
            font: bold 25px verdana, sans-serif;
            margin-top: 0;
            margin-bottom: 3px;
            padding-top: 0;
            padding-bottom: 0;
        }

        h2 {
            font: bold 19px verdana, sans-serif;
            margin-top: 28px;
            margin-bottom: 3px;
            padding-top: 0; 
            padding-bottom: 0;
        }

        h3 {
            font: bold 19px verdana, sans-serif !important;
            margin-top: 28px;
            margin-bottom: 3px;
            padding-top: 0;
            padding-bottom: 0;
        }

        li {
            font: normal 16px verdana, sans-serif;
            margin-top: 0;
            margin-bottom: 18px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .pdparam {
            font: italic 16px verdana, sans-serif;
        }
		
		.term {
			font: italic 16px verdana, sans-serif;
			font-weight: normal;
		}	
		
		.type {
			font: normal 16px verdana, sans-serif !important;
		}			
		
		.parameter { 
			font-style: italic; 
			}

        a:link, a:visited {
            color: blue;
            text-decoration: none;
            font: normal 16px;
        }

        a:hover {
            background-color: #FFFF99;
            font: normal 16px;
        }

        div.funcsynopsis {
            text-align: left;
            background-color: #e6e6e6;
            font: normal 16px verdana, sans-serif;
			padding-top: 10px;
			padding-bottom: 10px;
        }

        div.funcsynopsis table {
            border-collapse: separate;
            font: normal 16px verdana, sans-serif;
        }

        div.funcsynopsis td {
            background-color: #e6e6e6;
            border: 0 solid #000;
            padding: 1px;
            font: normal 16px verdana, sans-serif;
        }

        div.refsect1 {
            font-family: verdana, sans-serif;
            font-size: 16px;
        }

        code.constant {
            font: normal 16px courier new, monospace !important;
        }
		
		span.errorname {
            font: normal 16px verdana, sans-serif !important;
        }

        code.function {
            font: bold 16px verdana, sans-serif !important;
        }
		
        b.fsfunc {
            font: bold 16px verdana, sans-serif !important;
        }
		
        code.varname {
            font: italic 16px verdana, sans-serif;
        }

        code.replaceable {
            font: italic 16px courier new, monospace;
        }

        code.funcdef {
            font: normal 16px verdana, sans-serif !important;
        }

        .citerefentry {
            font: normal 16px verdana, sans-serif !important;
        }

        .parameter {
            font-style: italic;
        }

        code.fsfunc {
            font: normal 16px verdana, sans-serif !important;
        }

        /* PARAMETER: This style controls spacing between the terms in Parameter section */
        dt {
            margin-top: 15px;
        }

        /* TABLES: These styles apply to all tables OTHER than the Synopsis and Example tables */
        div.refsect1 table {
            width: 100%;
			margin-top: 10px;
            background-color: #FFF;
			border-collapse: collapse;
			border-color: #000;
            border-width: 1px;
			font: normal 16px verdana, sans-serif;
        }
		
        div.refsect1 th {
			border-collapse: collapse;
			border-color: #000;
            border-width: 1px;
            font: bold 16px verdana, sans-serif;
        }
		
        div.refsect1 td {
            background-color: #FFF;
            padding: 5px;
            vertical-align: text-top;
			border-collapse: collapse;
			border-color: #000;
            border-width: 1px;
            font: normal 16px verdana, sans-serif;
        }
		
		  div.refsect1 p{
            font: normal 16px verdana, sans-serif;
            margin-top: 8px;
            margin-bottom: 8px;
            padding-top: 0;
            padding-bottom: 0;
        }
		

        /* EXAMPLE: These styles apply only to the Example section */
        div.refsect2 {
            font: normal 16px courier new, monospace !important;
        }

        div.refsect2 table {
            margin-top: 0;
            background-color: #e6e6e6;
            width: 100%;
            border: 0 solid #000;
            padding: 2px;
            font: normal 16px courier new, monospace !important;
        }

        div.refsect2 td {
            background-color: #e6e6e6;
            font: normal 16px courier new, monospace !important;
			white-space:pre;
        }

        /* COPYRIGHT: This style formats the text of the copyright statement at the bottom of the page */
        div.refsect3 {
            font: normal 11px verdana, sans-serif;
            margin-top: 50px;
            margin-bottom: 20px;
            padding-top: 0;
            padding-bottom: 0;
        }
					
</style>
    <title>restrictions</title>
    <meta name="generator" content="DocBook XSL Stylesheets V1.79.1" />
    <meta name="keywords" content="restrictions" />
  </head>
  <body>
    <div class="refentry">
      <a id="idm1"></a>
      <div class="titlepage"></div>
      <div xmlns="" class="refnamediv">
        <a xmlns="http://www.w3.org/1999/xhtml" id="restrictionsref"></a>
        <h1>Restrictions</h1>
        <p> </p>
      </div>
      <div class="refsect1">
        <a id="restrictions"></a>
        <h2></h2>
        <div class="itemizedlist">
          <ul class="itemizedlist" style="list-style-type: disc; ">
            <li class="listitem" style="list-style-type: disc">
              <p>The use of pointers is somewhat restricted. The following rules apply:</p>
              <div class="itemizedlist">
                <ul class="itemizedlist" style="list-style-type: opencircle; ">
                  <li class="listitem" style="list-style-type: circle">
                    <p>
                  Arguments to <a class="citerefentry" href="functionQualifiers.html"><span class="citerefentry"><span class="refentrytitle">__kernel</span></span></a>
                  functions declared in a program that are pointers must be declared with the
                  <a class="citerefentry" href="global.html"><span class="citerefentry"><span class="refentrytitle">__global</span></span></a>,
                  <a class="citerefentry" href="constant.html"><span class="citerefentry"><span class="refentrytitle">__constant</span></span></a>, or
                  <a class="citerefentry" href="local.html"><span class="citerefentry"><span class="refentrytitle">__local</span></span></a>
                  qualifier.
                </p>
                  </li>
                  <li class="listitem" style="list-style-type: circle">
                    <p>
                    A pointer declared with the
                    <a class="citerefentry" href="constant.html"><span class="citerefentry"><span class="refentrytitle">__constant</span></span></a>,
                    <a class="citerefentry" href="local.html"><span class="citerefentry"><span class="refentrytitle">__local</span></span></a>, or
                    <a class="citerefentry" href="global.html"><span class="citerefentry"><span class="refentrytitle">__global</span></span></a>
                    qualifier can only be assigned to a pointer declared with the __constant, __local, or
                    __global qualifier respectively.
                </p>
                  </li>
                  <li class="listitem" style="list-style-type: circle">
                    <p>Pointers to functions are not allowed.</p>
                  </li>
                  <li class="listitem" style="list-style-type: circle">
                    <p>
                  Arguments to <a class="citerefentry" href="functionQualifiers.html"><span class="citerefentry"><span class="refentrytitle">__kernel</span></span></a>
                  functions in a program cannot be declared as a pointer to a pointer(s). Variables
                  inside a function or arguments to non-kernel functions in a program can be
                  declared as a pointer to a pointer(s).
                </p>
                  </li>
                </ul>
              </div>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>
            An image type (
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image2d_t</span></span></a>,
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image3d_t</span></span></a>,
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image2d_array_t</span></span></a>,
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_t</span></span></a>,
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_buffer_t</span></span></a>, or
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_array_t</span></span></a>)
            can only be used as the type of a function argument. An image function
            argument cannot be modified.  Elements of an image can only be accessed
            using the <a class="citerefentry" href="imageFunctions.html"><span class="citerefentry"><span class="refentrytitle">Built-in Image
            Functions</span></span></a>.
          </p>
              <p>
            An image type cannot be used to declare a variable, a structure or
            union field, an array of images, a pointer to an image, or the return
            type of a function. An image type cannot be used with the
            <a class="citerefentry" href="private.html"><span class="citerefentry"><span class="refentrytitle">__private</span></span></a>,
            <a class="citerefentry" href="local.html"><span class="citerefentry"><span class="refentrytitle">__local</span></span></a> and
            <a class="citerefentry" href="constant.html"><span class="citerefentry"><span class="refentrytitle">__constant</span></span></a>
            address space qualifiers. The <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image3d_t</span></span></a>
            type cannot be used with the __write_only access qualifier unless the
            <a class="citerefentry" href="cl_khr_3d_image_writes.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_3d_image_writes</span></span></a>
            extension is enabled. An image type cannot be used with the
            <a class="citerefentry" href="accessQualifiers.html"><span class="citerefentry"><span class="refentrytitle">__read_write</span></span></a>
            access qualifer which is reserved for future use.
          </p>
              <p>
            The sampler type
            (<a class="citerefentry" href="sampler_t.html"><span class="citerefentry"><span class="refentrytitle">sampler_t</span></span></a>) can only be
            used as the type of a function argument or a variable declared in the program scope
            or the outermost scope of a kernel function. The behavior of a sampler variable
            declared in a non-outermost scope of a kernel function is implementation-defined. A
            sampler argument or variable cannot be modified.
          </p>
              <p>
            The sampler type cannot be used to declare a structure or union field, an array of
            samplers, a ponter to a sampler, or the return type of a function. The sampler type
            cannot be used with the __local and __global address space qualifiers.
          </p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>Bit-fields struct members are currently not supported.</p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>Variable length arrays and structures with flexible (or unsized) arrays are not supported.</p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>Variadic macros and functions are not supported.</p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>
            The library functions defined in the C99 standard headers <code class="code">assert.h</code>,
            <code class="code">ctype.h</code>, <code class="code">complex.h</code>, <code class="code">errno.h</code>,
            <code class="code">fenv.h</code>, <code class="code">float.h</code>, <code class="code">inttypes.h</code>,
            <code class="code">limits.h</code>, <code class="code">locale.h</code>, <code class="code">setjmp.h</code>,
            <code class="code">signal.h</code>, <code class="code">stdarg.h</code>, <code class="code">stdio.h</code>,
            <code class="code">stdlib.h</code>, <code class="code">string.h</code>, <code class="code">tgmath.h</code>,
            <code class="code">time.h</code>, <code class="code">wchar.h</code>, and <code class="code">wctype.h</code> are not
            available and cannot be included by a program.
          </p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>The <code class="code">auto</code> and <code class="code">register</code> storage-class specifiers are not supported.</p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>Recursion is not supported.</p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>
            The function using the
            <a class="citerefentry" href="functionQualifiers.html"><span class="citerefentry"><span class="refentrytitle">__kernel</span></span></a>
            qualifier can only have return type <span class="type">void</span> in the source code.
          </p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>
            Arguments to kernel functions in a program cannot be declared with the built-in
            scalar types <span class="type">bool</span>, <span class="type">half</span>, <span class="type">size_t</span>,
            <span class="type">ptrdiff_t</span>, <span class="type">intptr_t</span>, and <span class="type">uintptr_t</span>, or
            a struct and/or union that contain fields declared to be one of these built-in
            scalar types. The size in bytes of these types except <span class="type">half</span> are
            implementation-defined and in addition can also be different for the OpenCL device
            and the host processor making it difficult to allocate buffer objects to be passed
            as arguments to a kernel declared as pointer to these types. <span class="type">half</span> is
            not supported as <span class="type">half</span> can be used as a storage format only (unless the
            <a class="citerefentry" href="cl_khr_fp16.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_fp16</span></span></a> extension is
            supported) and is not a data type on which floating-point arithmetic can be performed.
          </p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>Whether or not irreducible control flow is illegal is implementation defined.</p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>
            Arguments to kernel functions in a program cannot be declared to be of type
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">event_t</span></span></a>.
          </p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>
            Elements of a struct or union must belong to the same address space. Declaring a
            struct or union whose elements are in different address spaces is illegal.
          </p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>
            Arguments to kernel functions that are declared to be a struct or union do not
            allow OpenCL objects to be passed as elements of the struct or union.
          </p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>
            The type qualifiers <code class="code">const</code>, <code class="code">restrict</code>, and <code class="code">volatile</code>
            as defined by the C99 specification are supported. These qualifiers cannot be used with
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image2d_t</span></span></a>,
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image3d_t</span></span></a>,
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image2d_array_t</span></span></a>,
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_t</span></span></a>,
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_buffer_t</span></span></a>, and
            <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">image1d_array_t</span></span></a> types.
            Types other than pointer types shall not use the <code class="code">restrict</code> qualifier.
          </p>
            </li>
            <li class="listitem" style="list-style-type: disc">
              <p>
            The event type
            (<a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">event_t</span></span></a>)
            cannot be used as the type of a kernel function argument. The event type cannot be used to
            declare a program scope variable. The event type cannot be used to declare a structure or
            union field. The event type cannot be used with the
            <a class="citerefentry" href="local.html"><span class="citerefentry"><span class="refentrytitle">__local</span></span></a>,
            <a class="citerefentry" href="constant.html"><span class="citerefentry"><span class="refentrytitle">__constant</span></span></a>, and
            <a class="citerefentry" href="global.html"><span class="citerefentry"><span class="refentrytitle">__global</span></span></a>
            address space qualifiers.
          </p>
            </li>
          </ul>
        </div>
      </div>
      <div class="refsect1">
        <a id="specification"></a>
        <h2>Specification</h2>
        <p><img src="pdficon_small1.gif" />
            <a href="http://www.khronos.org/registry/cl/specs/opencl-1.2.pdf#page=231" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="imageFunctions.html"><span class="citerefentry"><span class="refentrytitle">Image Functions</span></span></a>,
            <a class="citerefentry" href="functionQualifiers.html"><span class="citerefentry"><span class="refentrytitle">Function Qualifiers</span></span></a>
        </p>
      </div>
      <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2011 The Khronos Group Inc. 
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and/or associated documentation files (the
"Materials"), to deal in the Materials without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Materials, and to
permit persons to whom the Materials are furnished to do so, subject to
the condition that this copyright notice and permission notice shall be included
in all copies or substantial portions of the Materials. 
</div>
    </div>
  </body>
</html>

APT Browse - Built by Thomas Orozco.