| <!DOCTYPE html> |
| <html lang="en"> |
| <head> |
| <meta charset="UTF-8"> |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| <meta name="generator" content="Asciidoctor 2.0.16"> |
| <meta name="author" content="Khronos® OpenCL Working Group"> |
| <title>cl_ext_image_from_buffer</title> |
| <style> |
| /*! normalize.css v2.1.2 | MIT License | git.io/normalize */ |
| /* ========================================================================== HTML5 display definitions ========================================================================== */ |
| /** Correct `block` display not defined in IE 8/9. */ |
| article, aside, details, figcaption, figure, footer, header, hgroup, main, nav, section, summary { display: block; } |
| |
| /** Correct `inline-block` display not defined in IE 8/9. */ |
| audio, canvas, video { display: inline-block; } |
| |
| /** Prevent modern browsers from displaying `audio` without controls. Remove excess height in iOS 5 devices. */ |
| audio:not([controls]) { display: none; height: 0; } |
| |
| /** Address `[hidden]` styling not present in IE 8/9. Hide the `template` element in IE, Safari, and Firefox < 22. */ |
| [hidden], template { display: none; } |
| |
| script { display: none !important; } |
| |
| /* ========================================================================== Base ========================================================================== */ |
| /** 1. Set default font family to sans-serif. 2. Prevent iOS text size adjust after orientation change, without disabling user zoom. */ |
| html { font-family: sans-serif; /* 1 */ -ms-text-size-adjust: 100%; /* 2 */ -webkit-text-size-adjust: 100%; /* 2 */ } |
| |
| /** Remove default margin. */ |
| body { margin: 0; } |
| |
| /* ========================================================================== Links ========================================================================== */ |
| /** Remove the gray background color from active links in IE 10. */ |
| a { background: transparent; } |
| |
| /** Address `outline` inconsistency between Chrome and other browsers. */ |
| a:focus { outline: thin dotted; } |
| |
| /** Improve readability when focused and also mouse hovered in all browsers. */ |
| a:active, a:hover { outline: 0; } |
| |
| /* ========================================================================== Typography ========================================================================== */ |
| /** Address variable `h1` font-size and margin within `section` and `article` contexts in Firefox 4+, Safari 5, and Chrome. */ |
| h1 { font-size: 2em; margin: 0.67em 0; } |
| |
| /** Address styling not present in IE 8/9, Safari 5, and Chrome. */ |
| abbr[title] { border-bottom: 1px dotted; } |
| |
| /** Address style set to `bolder` in Firefox 4+, Safari 5, and Chrome. */ |
| b, strong { font-weight: bold; } |
| |
| /** Address styling not present in Safari 5 and Chrome. */ |
| dfn { font-style: italic; } |
| |
| /** Address differences between Firefox and other browsers. */ |
| hr { -moz-box-sizing: content-box; box-sizing: content-box; height: 0; } |
| |
| /** Address styling not present in IE 8/9. */ |
| mark { background: #ff0; color: #000; } |
| |
| /** Correct font family set oddly in Safari 5 and Chrome. */ |
| code, kbd, pre, samp { font-family: monospace, serif; font-size: 1em; } |
| |
| /** Improve readability of pre-formatted text in all browsers. */ |
| pre { white-space: pre-wrap; } |
| |
| /** Set consistent quote types. */ |
| q { quotes: "\201C" "\201D" "\2018" "\2019"; } |
| |
| /** Address inconsistent and variable font size in all browsers. */ |
| small { font-size: 80%; } |
| |
| /** Prevent `sub` and `sup` affecting `line-height` in all browsers. */ |
| sub, sup { font-size: 75%; line-height: 0; position: relative; vertical-align: baseline; } |
| |
| sup { top: -0.5em; } |
| |
| sub { bottom: -0.25em; } |
| |
| /* ========================================================================== Embedded content ========================================================================== */ |
| /** Remove border when inside `a` element in IE 8/9. */ |
| img { border: 0; } |
| |
| /** Correct overflow displayed oddly in IE 9. */ |
| svg:not(:root) { overflow: hidden; } |
| |
| /* ========================================================================== Figures ========================================================================== */ |
| /** Address margin not present in IE 8/9 and Safari 5. */ |
| figure { margin: 0; } |
| |
| /* ========================================================================== Forms ========================================================================== */ |
| /** Define consistent border, margin, and padding. */ |
| fieldset { border: 1px solid #c0c0c0; margin: 0 2px; padding: 0.35em 0.625em 0.75em; } |
| |
| /** 1. Correct `color` not being inherited in IE 8/9. 2. Remove padding so people aren't caught out if they zero out fieldsets. */ |
| legend { border: 0; /* 1 */ padding: 0; /* 2 */ } |
| |
| /** 1. Correct font family not being inherited in all browsers. 2. Correct font size not being inherited in all browsers. 3. Address margins set differently in Firefox 4+, Safari 5, and Chrome. */ |
| button, input, select, textarea { font-family: inherit; /* 1 */ font-size: 100%; /* 2 */ margin: 0; /* 3 */ } |
| |
| /** Address Firefox 4+ setting `line-height` on `input` using `!important` in the UA stylesheet. */ |
| button, input { line-height: normal; } |
| |
| /** Address inconsistent `text-transform` inheritance for `button` and `select`. All other form control elements do not inherit `text-transform` values. Correct `button` style inheritance in Chrome, Safari 5+, and IE 8+. Correct `select` style inheritance in Firefox 4+ and Opera. */ |
| button, select { text-transform: none; } |
| |
| /** 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio` and `video` controls. 2. Correct inability to style clickable `input` types in iOS. 3. Improve usability and consistency of cursor style between image-type `input` and others. */ |
| button, html input[type="button"], input[type="reset"], input[type="submit"] { -webkit-appearance: button; /* 2 */ cursor: pointer; /* 3 */ } |
| |
| /** Re-set default cursor for disabled elements. */ |
| button[disabled], html input[disabled] { cursor: default; } |
| |
| /** 1. Address box sizing set to `content-box` in IE 8/9. 2. Remove excess padding in IE 8/9. */ |
| input[type="checkbox"], input[type="radio"] { box-sizing: border-box; /* 1 */ padding: 0; /* 2 */ } |
| |
| /** 1. Address `appearance` set to `searchfield` in Safari 5 and Chrome. 2. Address `box-sizing` set to `border-box` in Safari 5 and Chrome (include `-moz` to future-proof). */ |
| input[type="search"] { -webkit-appearance: textfield; /* 1 */ -moz-box-sizing: content-box; -webkit-box-sizing: content-box; /* 2 */ box-sizing: content-box; } |
| |
| /** Remove inner padding and search cancel button in Safari 5 and Chrome on OS X. */ |
| input[type="search"]::-webkit-search-cancel-button, input[type="search"]::-webkit-search-decoration { -webkit-appearance: none; } |
| |
| /** Remove inner padding and border in Firefox 4+. */ |
| button::-moz-focus-inner, input::-moz-focus-inner { border: 0; padding: 0; } |
| |
| /** 1. Remove default vertical scrollbar in IE 8/9. 2. Improve readability and alignment in all browsers. */ |
| textarea { overflow: auto; /* 1 */ vertical-align: top; /* 2 */ } |
| |
| /* ========================================================================== Tables ========================================================================== */ |
| /** Remove most spacing between table cells. */ |
| table { border-collapse: collapse; border-spacing: 0; } |
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| meta.foundation-mq-medium { font-family: "only screen and (min-width:1280px)"; width: 1280px; } |
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| meta.foundation-mq-large { font-family: "only screen and (min-width:1440px)"; width: 1440px; } |
| |
| *, *:before, *:after { -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box; } |
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| html, body { font-size: 100%; } |
| |
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| |
| a:hover { cursor: pointer; } |
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| img, object, embed { max-width: 100%; height: auto; } |
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| object, embed { height: 100%; } |
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| img { -ms-interpolation-mode: bicubic; } |
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| img { display: inline-block; vertical-align: middle; } |
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| textarea { height: auto; min-height: 50px; } |
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| select { width: 100%; } |
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| object, svg { display: inline-block; vertical-align: middle; } |
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| .center { margin-left: auto; margin-right: auto; } |
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| .spread { width: 100%; } |
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| |
| .subheader, .admonitionblock td.content > .title, .audioblock > .title, .exampleblock > .title, .imageblock > .title, .listingblock > .title, .literalblock > .title, .stemblock > .title, .openblock > .title, .paragraph > .title, .quoteblock > .title, table.tableblock > .title, .verseblock > .title, .videoblock > .title, .dlist > .title, .olist > .title, .ulist > .title, .qlist > .title, .hdlist > .title { line-height: 1.4; color: black; font-weight: 300; margin-top: 0.2em; margin-bottom: 0.5em; } |
| |
| /* Typography resets */ |
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| |
| /* Default Link Styles */ |
| a { color: #0068b0; text-decoration: none; line-height: inherit; } |
| a:hover, a:focus { color: #333; } |
| a img { border: none; } |
| |
| /* Default paragraph styles */ |
| p { font-family: Noto, sans-serif; font-weight: normal; font-size: 1em; line-height: 1.6; margin-bottom: 0.75em; text-rendering: optimizeLegibility; } |
| p aside { font-size: 0.875em; line-height: 1.35; font-style: italic; } |
| |
| /* Default header styles */ |
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| |
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| |
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| |
| h4 { font-size: 1.125em; } |
| |
| h5 { font-size: 1.125em; } |
| |
| h6 { font-size: 1em; } |
| |
| hr { border: solid #ddd; border-width: 1px 0 0; clear: both; margin: 1.25em 0 1.1875em; height: 0; } |
| |
| /* Helpful Typography Defaults */ |
| em, i { font-style: italic; line-height: inherit; } |
| |
| strong, b { font-weight: bold; line-height: inherit; } |
| |
| small { font-size: 60%; line-height: inherit; } |
| |
| code { font-family: Consolas, "Liberation Mono", Courier, monospace; font-weight: normal; color: #264357; } |
| |
| /* Lists */ |
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| |
| ul, ol { margin-left: 1.5em; } |
| ul.no-bullet, ol.no-bullet { margin-left: 1.5em; } |
| |
| /* Unordered Lists */ |
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| ul.square li ul, ul.circle li ul, ul.disc li ul { list-style: inherit; } |
| ul.square { list-style-type: square; } |
| ul.circle { list-style-type: circle; } |
| ul.disc { list-style-type: disc; } |
| ul.no-bullet { list-style: none; } |
| |
| /* Ordered Lists */ |
| ol li ul, ol li ol { margin-left: 1.25em; margin-bottom: 0; } |
| |
| /* Definition Lists */ |
| dl dt { margin-bottom: 0.3em; font-weight: bold; } |
| dl dd { margin-bottom: 0.75em; } |
| |
| /* Abbreviations */ |
| abbr, acronym { text-transform: uppercase; font-size: 90%; color: black; border-bottom: 1px dotted #ddd; cursor: help; } |
| |
| abbr { text-transform: none; } |
| |
| /* Blockquotes */ |
| blockquote { margin: 0 0 0.75em; padding: 0.5625em 1.25em 0 1.1875em; border-left: 1px solid #ddd; } |
| blockquote cite { display: block; font-size: 0.8125em; color: #365E7A; } |
| blockquote cite:before { content: "\2014 \0020"; } |
| blockquote cite a, blockquote cite a:visited { color: #365E7A; } |
| |
| blockquote, blockquote p { line-height: 1.6; color: #333; } |
| |
| /* Microformats */ |
| .vcard { display: inline-block; margin: 0 0 1.25em 0; border: 1px solid #ddd; padding: 0.625em 0.75em; } |
| .vcard li { margin: 0; display: block; } |
| .vcard .fn { font-weight: bold; font-size: 0.9375em; } |
| |
| .vevent .summary { font-weight: bold; } |
| .vevent abbr { cursor: auto; text-decoration: none; font-weight: bold; border: none; padding: 0 0.0625em; } |
| |
| @media only screen and (min-width: 768px) { h1, h2, h3, #toctitle, .sidebarblock > .content > .title, h4, h5, h6 { line-height: 1.4; } |
| h1 { font-size: 2.75em; } |
| h2 { font-size: 2.3125em; } |
| h3, #toctitle, .sidebarblock > .content > .title { font-size: 1.6875em; } |
| h4 { font-size: 1.4375em; } } |
| /* Tables */ |
| table { background: #fff; margin-bottom: 1.25em; border: solid 1px #d8d8ce; } |
| table thead, table tfoot { background: #eee; font-weight: bold; } |
| table thead tr th, table thead tr td, table tfoot tr th, table tfoot tr td { padding: 0.5em 0.625em 0.625em; font-size: inherit; color: #222; text-align: left; } |
| table tr th, table tr td { padding: 0.5625em 0.625em; font-size: inherit; color: #6d6e71; } |
| table tr.even, table tr.alt, table tr:nth-of-type(even) { background: #f8f8f8; } |
| table thead tr th, table tfoot tr th, table tbody tr td, table tr td, table tfoot tr td { display: table-cell; line-height: 1.4; } |
| |
| body { -moz-osx-font-smoothing: grayscale; -webkit-font-smoothing: antialiased; tab-size: 4; } |
| |
| h1, h2, h3, #toctitle, .sidebarblock > .content > .title, h4, h5, h6 { line-height: 1.4; } |
| |
| a:hover, a:focus { text-decoration: underline; } |
| |
| .clearfix:before, .clearfix:after, .float-group:before, .float-group:after { content: " "; display: table; } |
| .clearfix:after, .float-group:after { clear: both; } |
| |
| *:not(pre) > code { font-size: inherit; font-style: normal !important; letter-spacing: 0; padding: 0; background-color: transparent; -webkit-border-radius: 0; border-radius: 0; line-height: inherit; word-wrap: break-word; } |
| *:not(pre) > code.nobreak { word-wrap: normal; } |
| *:not(pre) > code.nowrap { white-space: nowrap; } |
| |
| pre, pre > code { line-height: 1.6; color: #264357; font-family: Consolas, "Liberation Mono", Courier, monospace; font-weight: normal; } |
| |
| em em { font-style: normal; } |
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| strong strong { font-weight: normal; } |
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| .keyseq { color: #333333; } |
| |
| kbd { font-family: Consolas, "Liberation Mono", Courier, monospace; display: inline-block; color: black; font-size: 0.65em; line-height: 1.45; background-color: #f7f7f7; border: 1px solid #ccc; -webkit-border-radius: 3px; border-radius: 3px; -moz-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 0.1em white inset; -webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 0.1em white inset; box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 0.1em white inset; margin: 0 0.15em; padding: 0.2em 0.5em; vertical-align: middle; position: relative; top: -0.1em; white-space: nowrap; } |
| |
| .keyseq kbd:first-child { margin-left: 0; } |
| |
| .keyseq kbd:last-child { margin-right: 0; } |
| |
| .menuseq, .menuref { color: #000; } |
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| .menuseq b:not(.caret), .menuref { font-weight: inherit; } |
| |
| .menuseq { word-spacing: -0.02em; } |
| .menuseq b.caret { font-size: 1.25em; line-height: 0.8; } |
| .menuseq i.caret { font-weight: bold; text-align: center; width: 0.45em; } |
| |
| b.button:before, b.button:after { position: relative; top: -1px; font-weight: normal; } |
| |
| b.button:before { content: "["; padding: 0 3px 0 2px; } |
| |
| b.button:after { content: "]"; padding: 0 2px 0 3px; } |
| |
| #header, #content, #footnotes, #footer { width: 100%; margin-left: auto; margin-right: auto; margin-top: 0; margin-bottom: 0; max-width: 62.5em; *zoom: 1; position: relative; padding-left: 1.5em; padding-right: 1.5em; } |
| #header:before, #header:after, #content:before, #content:after, #footnotes:before, #footnotes:after, #footer:before, #footer:after { content: " "; display: table; } |
| #header:after, #content:after, #footnotes:after, #footer:after { clear: both; } |
| |
| #content { margin-top: 1.25em; } |
| |
| #content:before { content: none; } |
| |
| #header > h1:first-child { color: black; margin-top: 2.25rem; margin-bottom: 0; } |
| #header > h1:first-child + #toc { margin-top: 8px; border-top: 1px solid #ddd; } |
| #header > h1:only-child, body.toc2 #header > h1:nth-last-child(2) { border-bottom: 1px solid #ddd; padding-bottom: 8px; } |
| #header .details { border-bottom: 1px solid #ddd; line-height: 1.45; padding-top: 0.25em; padding-bottom: 0.25em; padding-left: 0.25em; color: #365E7A; display: -ms-flexbox; display: -webkit-flex; display: flex; -ms-flex-flow: row wrap; -webkit-flex-flow: row wrap; flex-flow: row wrap; } |
| #header .details span:first-child { margin-left: -0.125em; } |
| #header .details span.email a { color: #333; } |
| #header .details br { display: none; } |
| #header .details br + span:before { content: "\00a0\2013\00a0"; } |
| #header .details br + span.author:before { content: "\00a0\22c5\00a0"; color: #333; } |
| #header .details br + span#revremark:before { content: "\00a0|\00a0"; } |
| #header #revnumber { text-transform: capitalize; } |
| #header #revnumber:after { content: "\00a0"; } |
| |
| #content > h1:first-child:not([class]) { color: black; border-bottom: 1px solid #ddd; padding-bottom: 8px; margin-top: 0; padding-top: 1rem; margin-bottom: 1.25rem; } |
| |
| #toc { border-bottom: 0 solid #ddd; padding-bottom: 0.5em; } |
| #toc > ul { margin-left: 0.125em; } |
| #toc ul.sectlevel0 > li > a { font-style: italic; } |
| #toc ul.sectlevel0 ul.sectlevel1 { margin: 0.5em 0; } |
| #toc ul { font-family: Noto, sans-serif; list-style-type: none; } |
| #toc li { line-height: 1.3334; margin-top: 0.3334em; } |
| #toc a { text-decoration: none; } |
| #toc a:active { text-decoration: underline; } |
| |
| #toctitle { color: black; font-size: 1.2em; } |
| |
| @media only screen and (min-width: 768px) { #toctitle { font-size: 1.375em; } |
| body.toc2 { padding-left: 15em; padding-right: 0; } |
| #toc.toc2 { margin-top: 0 !important; background-color: #fff; position: fixed; width: 15em; left: 0; top: 0; border-right: 1px solid #ddd; border-top-width: 0 !important; border-bottom-width: 0 !important; z-index: 1000; padding: 1.25em 1em; height: 100%; overflow: auto; } |
| #toc.toc2 #toctitle { margin-top: 0; margin-bottom: 0.8rem; font-size: 1.2em; } |
| #toc.toc2 > ul { font-size: 0.9em; margin-bottom: 0; } |
| #toc.toc2 ul ul { margin-left: 0; padding-left: 1em; } |
| #toc.toc2 ul.sectlevel0 ul.sectlevel1 { padding-left: 0; margin-top: 0.5em; margin-bottom: 0.5em; } |
| body.toc2.toc-right { padding-left: 0; padding-right: 15em; } |
| body.toc2.toc-right #toc.toc2 { border-right-width: 0; border-left: 1px solid #ddd; left: auto; right: 0; } } |
| @media only screen and (min-width: 1280px) { body.toc2 { padding-left: 20em; padding-right: 0; } |
| #toc.toc2 { width: 20em; } |
| #toc.toc2 #toctitle { font-size: 1.375em; } |
| #toc.toc2 > ul { font-size: 0.95em; } |
| #toc.toc2 ul ul { padding-left: 1.25em; } |
| body.toc2.toc-right { padding-left: 0; padding-right: 20em; } } |
| #content #toc { border-style: solid; border-width: 1px; border-color: #e6e6e6; margin-bottom: 1.25em; padding: 1.25em; background: #fff; -webkit-border-radius: 0; border-radius: 0; } |
| #content #toc > :first-child { margin-top: 0; } |
| #content #toc > :last-child { margin-bottom: 0; } |
| |
| #footer { max-width: 100%; background-color: none; padding: 1.25em; } |
| |
| #footer-text { color: black; line-height: 1.44; } |
| |
| #content { margin-bottom: 0.625em; } |
| |
| .sect1 { padding-bottom: 0.625em; } |
| |
| @media only screen and (min-width: 768px) { #content { margin-bottom: 1.25em; } |
| .sect1 { padding-bottom: 1.25em; } } |
| .sect1:last-child { padding-bottom: 0; } |
| |
| .sect1 + .sect1 { border-top: 0 solid #ddd; } |
| |
| #content h1 > a.anchor, h2 > a.anchor, h3 > a.anchor, #toctitle > a.anchor, .sidebarblock > .content > .title > a.anchor, h4 > a.anchor, h5 > a.anchor, h6 > a.anchor { position: absolute; z-index: 1001; width: 1.5ex; margin-left: -1.5ex; display: block; text-decoration: none !important; visibility: hidden; text-align: center; font-weight: normal; } |
| #content h1 > a.anchor:before, h2 > a.anchor:before, h3 > a.anchor:before, #toctitle > a.anchor:before, .sidebarblock > .content > .title > a.anchor:before, h4 > a.anchor:before, h5 > a.anchor:before, h6 > a.anchor:before { content: "\00A7"; font-size: 0.85em; display: block; padding-top: 0.1em; } |
| #content h1:hover > a.anchor, #content h1 > a.anchor:hover, h2:hover > a.anchor, h2 > a.anchor:hover, h3:hover > a.anchor, #toctitle:hover > a.anchor, .sidebarblock > .content > .title:hover > a.anchor, h3 > a.anchor:hover, #toctitle > a.anchor:hover, .sidebarblock > .content > .title > a.anchor:hover, h4:hover > a.anchor, h4 > a.anchor:hover, h5:hover > a.anchor, h5 > a.anchor:hover, h6:hover > a.anchor, h6 > a.anchor:hover { visibility: visible; } |
| #content h1 > a.link, h2 > a.link, h3 > a.link, #toctitle > a.link, .sidebarblock > .content > .title > a.link, h4 > a.link, h5 > a.link, h6 > a.link { color: black; text-decoration: none; } |
| #content h1 > a.link:hover, h2 > a.link:hover, h3 > a.link:hover, #toctitle > a.link:hover, .sidebarblock > .content > .title > a.link:hover, h4 > a.link:hover, h5 > a.link:hover, h6 > a.link:hover { color: black; } |
| |
| .audioblock, .imageblock, .literalblock, .listingblock, .stemblock, .videoblock { margin-bottom: 1.25em; } |
| |
| .admonitionblock td.content > .title, .audioblock > .title, .exampleblock > .title, .imageblock > .title, .listingblock > .title, .literalblock > .title, .stemblock > .title, .openblock > .title, .paragraph > .title, .quoteblock > .title, table.tableblock > .title, .verseblock > .title, .videoblock > .title, .dlist > .title, .olist > .title, .ulist > .title, .qlist > .title, .hdlist > .title { text-rendering: optimizeLegibility; text-align: left; } |
| |
| table.tableblock > caption.title { white-space: nowrap; overflow: visible; max-width: 0; } |
| |
| .paragraph.lead > p, #preamble > .sectionbody > .paragraph:first-of-type p { color: black; } |
| |
| table.tableblock #preamble > .sectionbody > .paragraph:first-of-type p { font-size: inherit; } |
| |
| .admonitionblock > table { border-collapse: separate; border: 0; background: none; width: 100%; } |
| .admonitionblock > table td.icon { text-align: center; width: 80px; } |
| .admonitionblock > table td.icon img { max-width: initial; } |
| .admonitionblock > table td.icon .title { font-weight: bold; font-family: Noto, sans-serif; text-transform: uppercase; } |
| .admonitionblock > table td.content { padding-left: 1.125em; padding-right: 1.25em; border-left: 1px solid #ddd; color: #365E7A; } |
| .admonitionblock > table td.content > :last-child > :last-child { margin-bottom: 0; } |
| |
| .exampleblock > .content { border-style: solid; border-width: 1px; border-color: #e6e6e6; margin-bottom: 1.25em; padding: 1.25em; background: #fff; -webkit-border-radius: 0; border-radius: 0; } |
| .exampleblock > .content > :first-child { margin-top: 0; } |
| .exampleblock > .content > :last-child { margin-bottom: 0; } |
| |
| .sidebarblock { border-style: solid; border-width: 1px; border-color: #e6e6e6; margin-bottom: 1.25em; padding: 1.25em; background: #fff; -webkit-border-radius: 0; border-radius: 0; } |
| .sidebarblock > :first-child { margin-top: 0; } |
| .sidebarblock > :last-child { margin-bottom: 0; } |
| .sidebarblock > .content > .title { color: black; margin-top: 0; } |
| |
| .exampleblock > .content > :last-child > :last-child, .exampleblock > .content .olist > ol > li:last-child > :last-child, .exampleblock > .content .ulist > ul > li:last-child > :last-child, .exampleblock > .content .qlist > ol > li:last-child > :last-child, .sidebarblock > .content > :last-child > :last-child, .sidebarblock > .content .olist > ol > li:last-child > :last-child, .sidebarblock > .content .ulist > ul > li:last-child > :last-child, .sidebarblock > .content .qlist > ol > li:last-child > :last-child { margin-bottom: 0; } |
| |
| .literalblock pre, .listingblock pre:not(.highlight), .listingblock pre[class="highlight"], .listingblock pre[class^="highlight "], .listingblock pre.CodeRay, .listingblock pre.prettyprint { background: #eee; } |
| .sidebarblock .literalblock pre, .sidebarblock .listingblock pre:not(.highlight), .sidebarblock .listingblock pre[class="highlight"], .sidebarblock .listingblock pre[class^="highlight "], .sidebarblock .listingblock pre.CodeRay, .sidebarblock .listingblock pre.prettyprint { background: #f2f1f1; } |
| |
| .literalblock pre, .literalblock pre[class], .listingblock pre, .listingblock pre[class] { border: 1px hidden #666; -webkit-border-radius: 0; border-radius: 0; word-wrap: break-word; padding: 1.25em 1.5625em 1.125em 1.5625em; font-size: 0.8125em; } |
| .literalblock pre.nowrap, .literalblock pre[class].nowrap, .listingblock pre.nowrap, .listingblock pre[class].nowrap { overflow-x: auto; white-space: pre; word-wrap: normal; } |
| @media only screen and (min-width: 768px) { .literalblock pre, .literalblock pre[class], .listingblock pre, .listingblock pre[class] { font-size: 0.90625em; } } |
| @media only screen and (min-width: 1280px) { .literalblock pre, .literalblock pre[class], .listingblock pre, .listingblock pre[class] { font-size: 1em; } } |
| |
| .literalblock.output pre { color: #eee; background-color: #264357; } |
| |
| .listingblock pre.highlightjs { padding: 0; } |
| .listingblock pre.highlightjs > code { padding: 1.25em 1.5625em 1.125em 1.5625em; -webkit-border-radius: 0; border-radius: 0; } |
| |
| .listingblock > .content { position: relative; } |
| |
| .listingblock code[data-lang]:before { display: none; content: attr(data-lang); position: absolute; font-size: 0.75em; top: 0.425rem; right: 0.5rem; line-height: 1; text-transform: uppercase; color: #999; } |
| |
| .listingblock:hover code[data-lang]:before { display: block; } |
| |
| .listingblock.terminal pre .command:before { content: attr(data-prompt); padding-right: 0.5em; color: #999; } |
| |
| .listingblock.terminal pre .command:not([data-prompt]):before { content: "$"; } |
| |
| table.pyhltable { border-collapse: separate; border: 0; margin-bottom: 0; background: none; } |
| |
| table.pyhltable td { vertical-align: top; padding-top: 0; padding-bottom: 0; line-height: 1.6; } |
| |
| table.pyhltable td.code { padding-left: .75em; padding-right: 0; } |
| |
| pre.pygments .lineno, table.pyhltable td:not(.code) { color: #999; padding-left: 0; padding-right: .5em; border-right: 1px solid #ddd; } |
| |
| pre.pygments .lineno { display: inline-block; margin-right: .25em; } |
| |
| table.pyhltable .linenodiv { background: none !important; padding-right: 0 !important; } |
| |
| .quoteblock { margin: 0 1em 0.75em 1.5em; display: table; } |
| .quoteblock > .title { margin-left: -1.5em; margin-bottom: 0.75em; } |
| .quoteblock blockquote, .quoteblock blockquote p { color: #333; font-size: 1.15rem; line-height: 1.75; word-spacing: 0.1em; letter-spacing: 0; font-style: italic; text-align: justify; } |
| .quoteblock blockquote { margin: 0; padding: 0; border: 0; } |
| .quoteblock blockquote:before { content: "\201c"; float: left; font-size: 2.75em; font-weight: bold; line-height: 0.6em; margin-left: -0.6em; color: black; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1); } |
| .quoteblock blockquote > .paragraph:last-child p { margin-bottom: 0; } |
| .quoteblock .attribution { margin-top: 0.5em; margin-right: 0.5ex; text-align: right; } |
| .quoteblock .quoteblock { margin-left: 0; margin-right: 0; padding: 0.5em 0; border-left: 3px solid #365E7A; } |
| .quoteblock .quoteblock blockquote { padding: 0 0 0 0.75em; } |
| .quoteblock .quoteblock blockquote:before { display: none; } |
| |
| .verseblock { margin: 0 1em 0.75em 1em; } |
| .verseblock pre { font-family: "Open Sans", "DejaVu Sans", sans; font-size: 1.15rem; color: #333; font-weight: 300; text-rendering: optimizeLegibility; } |
| .verseblock pre strong { font-weight: 400; } |
| .verseblock .attribution { margin-top: 1.25rem; margin-left: 0.5ex; } |
| |
| .quoteblock .attribution, .verseblock .attribution { font-size: 0.8125em; line-height: 1.45; font-style: italic; } |
| .quoteblock .attribution br, .verseblock .attribution br { display: none; } |
| .quoteblock .attribution cite, .verseblock .attribution cite { display: block; letter-spacing: -0.025em; color: #365E7A; } |
| |
| .quoteblock.abstract { margin: 0 0 0.75em 0; display: block; } |
| .quoteblock.abstract blockquote, .quoteblock.abstract blockquote p { text-align: left; word-spacing: 0; } |
| .quoteblock.abstract blockquote:before, .quoteblock.abstract blockquote p:first-of-type:before { display: none; } |
| |
| table.tableblock { max-width: 100%; border-collapse: separate; } |
| table.tableblock td > .paragraph:last-child p > p:last-child, table.tableblock th > p:last-child, table.tableblock td > p:last-child { margin-bottom: 0; } |
| |
| table.tableblock, th.tableblock, td.tableblock { border: 0 solid #d8d8ce; } |
| |
| table.grid-all > thead > tr > .tableblock, table.grid-all > tbody > tr > .tableblock { border-width: 0 1px 1px 0; } |
| |
| table.grid-all > tfoot > tr > .tableblock { border-width: 1px 1px 0 0; } |
| |
| table.grid-cols > * > tr > .tableblock { border-width: 0 1px 0 0; } |
| |
| table.grid-rows > thead > tr > .tableblock, table.grid-rows > tbody > tr > .tableblock { border-width: 0 0 1px 0; } |
| |
| table.grid-rows > tfoot > tr > .tableblock { border-width: 1px 0 0 0; } |
| |
| table.grid-all > * > tr > .tableblock:last-child, table.grid-cols > * > tr > .tableblock:last-child { border-right-width: 0; } |
| |
| table.grid-all > tbody > tr:last-child > .tableblock, table.grid-all > thead:last-child > tr > .tableblock, table.grid-rows > tbody > tr:last-child > .tableblock, table.grid-rows > thead:last-child > tr > .tableblock { border-bottom-width: 0; } |
| |
| table.frame-all { border-width: 1px; } |
| |
| table.frame-sides { border-width: 0 1px; } |
| |
| table.frame-topbot { border-width: 1px 0; } |
| |
| th.halign-left, td.halign-left { text-align: left; } |
| |
| th.halign-right, td.halign-right { text-align: right; } |
| |
| th.halign-center, td.halign-center { text-align: center; } |
| |
| th.valign-top, td.valign-top { vertical-align: top; } |
| |
| th.valign-bottom, td.valign-bottom { vertical-align: bottom; } |
| |
| th.valign-middle, td.valign-middle { vertical-align: middle; } |
| |
| table thead th, table tfoot th { font-weight: bold; } |
| |
| tbody tr th { display: table-cell; line-height: 1.4; background: #eee; } |
| |
| tbody tr th, tbody tr th p, tfoot tr th, tfoot tr th p { color: #222; font-weight: bold; } |
| |
| p.tableblock > code:only-child { background: none; padding: 0; } |
| |
| p.tableblock { font-size: 1em; } |
| |
| td > div.verse { white-space: pre; } |
| |
| ol { margin-left: 1.75em; } |
| |
| ul li ol { margin-left: 1.5em; } |
| |
| dl dd { margin-left: 1.125em; } |
| |
| dl dd:last-child, dl dd:last-child > :last-child { margin-bottom: 0; } |
| |
| ol > li p, ul > li p, ul dd, ol dd, .olist .olist, .ulist .ulist, .ulist .olist, .olist .ulist { margin-bottom: 0.375em; } |
| |
| ul.checklist, ul.none, ol.none, ul.no-bullet, ol.no-bullet, ol.unnumbered, ul.unstyled, ol.unstyled { list-style-type: none; } |
| |
| ul.no-bullet, ol.no-bullet, ol.unnumbered { margin-left: 0.625em; } |
| |
| ul.unstyled, ol.unstyled { margin-left: 0; } |
| |
| ul.checklist { margin-left: 0.625em; } |
| |
| ul.checklist li > p:first-child > .fa-square-o:first-child, ul.checklist li > p:first-child > .fa-check-square-o:first-child { width: 1.25em; font-size: 0.8em; position: relative; bottom: 0.125em; } |
| |
| ul.checklist li > p:first-child > input[type="checkbox"]:first-child { margin-right: 0.25em; } |
| |
| ul.inline { display: -ms-flexbox; display: -webkit-box; display: flex; -ms-flex-flow: row wrap; -webkit-flex-flow: row wrap; flex-flow: row wrap; list-style: none; margin: 0 0 0.375em -0.75em; } |
| |
| ul.inline > li { margin-left: 0.75em; } |
| |
| .unstyled dl dt { font-weight: normal; font-style: normal; } |
| |
| ol.arabic { list-style-type: decimal; } |
| |
| ol.decimal { list-style-type: decimal-leading-zero; } |
| |
| ol.loweralpha { list-style-type: lower-alpha; } |
| |
| ol.upperalpha { list-style-type: upper-alpha; } |
| |
| ol.lowerroman { list-style-type: lower-roman; } |
| |
| ol.upperroman { list-style-type: upper-roman; } |
| |
| ol.lowergreek { list-style-type: lower-greek; } |
| |
| .hdlist > table, .colist > table { border: 0; background: none; } |
| .hdlist > table > tbody > tr, .colist > table > tbody > tr { background: none; } |
| |
| td.hdlist1, td.hdlist2 { vertical-align: top; padding: 0 0.625em; } |
| |
| td.hdlist1 { font-weight: bold; padding-bottom: 0.75em; } |
| |
| .literalblock + .colist, .listingblock + .colist { margin-top: -0.5em; } |
| |
| .colist > table tr > td:first-of-type { padding: 0.4em 0.75em 0 0.75em; line-height: 1; vertical-align: top; } |
| .colist > table tr > td:first-of-type img { max-width: initial; } |
| .colist > table tr > td:last-of-type { padding: 0.25em 0; } |
| |
| .thumb, .th { line-height: 0; display: inline-block; border: solid 4px #fff; -webkit-box-shadow: 0 0 0 1px #ddd; box-shadow: 0 0 0 1px #ddd; } |
| |
| .imageblock.left, .imageblock[style*="float: left"] { margin: 0.25em 0.625em 1.25em 0; } |
| .imageblock.right, .imageblock[style*="float: right"] { margin: 0.25em 0 1.25em 0.625em; } |
| .imageblock > .title { margin-bottom: 0; } |
| .imageblock.thumb, .imageblock.th { border-width: 6px; } |
| .imageblock.thumb > .title, .imageblock.th > .title { padding: 0 0.125em; } |
| |
| .image.left, .image.right { margin-top: 0.25em; margin-bottom: 0.25em; display: inline-block; line-height: 0; } |
| .image.left { margin-right: 0.625em; } |
| .image.right { margin-left: 0.625em; } |
| |
| a.image { text-decoration: none; display: inline-block; } |
| a.image object { pointer-events: none; } |
| |
| sup.footnote, sup.footnoteref { font-size: 0.875em; position: static; vertical-align: super; } |
| sup.footnote a, sup.footnoteref a { text-decoration: none; } |
| sup.footnote a:active, sup.footnoteref a:active { text-decoration: underline; } |
| |
| #footnotes { padding-top: 0.75em; padding-bottom: 0.75em; margin-bottom: 0.625em; } |
| #footnotes hr { width: 20%; min-width: 6.25em; margin: -0.25em 0 0.75em 0; border-width: 1px 0 0 0; } |
| #footnotes .footnote { padding: 0 0.375em 0 0.225em; line-height: 1.3334; font-size: 0.875em; margin-left: 1.2em; margin-bottom: 0.2em; } |
| #footnotes .footnote a:first-of-type { font-weight: bold; text-decoration: none; margin-left: -1.05em; } |
| #footnotes .footnote:last-of-type { margin-bottom: 0; } |
| #content #footnotes { margin-top: -0.625em; margin-bottom: 0; padding: 0.75em 0; } |
| |
| .gist .file-data > table { border: 0; background: #fff; width: 100%; margin-bottom: 0; } |
| .gist .file-data > table td.line-data { width: 99%; } |
| |
| div.unbreakable { page-break-inside: avoid; } |
| |
| .big { font-size: larger; } |
| |
| .small { font-size: smaller; } |
| |
| .underline { text-decoration: underline; } |
| |
| .overline { text-decoration: overline; } |
| |
| .line-through { text-decoration: line-through; } |
| |
| .aqua { color: #00bfbf; } |
| |
| .aqua-background { background-color: #00fafa; } |
| |
| .black { color: black; } |
| |
| .black-background { background-color: black; } |
| |
| .blue { color: #0000bf; } |
| |
| .blue-background { background-color: #0000fa; } |
| |
| .fuchsia { color: #bf00bf; } |
| |
| .fuchsia-background { background-color: #fa00fa; } |
| |
| .gray { color: #606060; } |
| |
| .gray-background { background-color: #7d7d7d; } |
| |
| .green { color: #006000; } |
| |
| .green-background { background-color: #007d00; } |
| |
| .lime { color: #00bf00; } |
| |
| .lime-background { background-color: #00fa00; } |
| |
| .maroon { color: #600000; } |
| |
| .maroon-background { background-color: #7d0000; } |
| |
| .navy { color: #000060; } |
| |
| .navy-background { background-color: #00007d; } |
| |
| .olive { color: #606000; } |
| |
| .olive-background { background-color: #7d7d00; } |
| |
| .purple { color: #600060; } |
| |
| .purple-background { background-color: #7d007d; } |
| |
| .red { color: #bf0000; } |
| |
| .red-background { background-color: #fa0000; } |
| |
| .silver { color: #909090; } |
| |
| .silver-background { background-color: #bcbcbc; } |
| |
| .teal { color: #006060; } |
| |
| .teal-background { background-color: #007d7d; } |
| |
| .white { color: #bfbfbf; } |
| |
| .white-background { background-color: #fafafa; } |
| |
| .yellow { color: #bfbf00; } |
| |
| .yellow-background { background-color: #fafa00; } |
| |
| span.icon > .fa { cursor: default; } |
| a span.icon > .fa { cursor: inherit; } |
| |
| .admonitionblock td.icon [class^="fa icon-"] { font-size: 2.5em; text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5); cursor: default; } |
| .admonitionblock td.icon .icon-note:before { content: "\f05a"; color: #29475c; } |
| .admonitionblock td.icon .icon-tip:before { content: "\f0eb"; text-shadow: 1px 1px 2px rgba(155, 155, 0, 0.8); color: #111; } |
| .admonitionblock td.icon .icon-warning:before { content: "\f071"; color: #bf6900; } |
| .admonitionblock td.icon .icon-caution:before { content: "\f06d"; color: #bf3400; } |
| .admonitionblock td.icon .icon-important:before { content: "\f06a"; color: #bf0000; } |
| |
| .conum[data-value] { display: inline-block; color: #fff !important; background-color: black; -webkit-border-radius: 100px; border-radius: 100px; text-align: center; font-size: 0.75em; width: 1.67em; height: 1.67em; line-height: 1.67em; font-family: "Open Sans", "DejaVu Sans", sans-serif; font-style: normal; font-weight: bold; } |
| .conum[data-value] * { color: #fff !important; } |
| .conum[data-value] + b { display: none; } |
| .conum[data-value]:after { content: attr(data-value); } |
| pre .conum[data-value] { position: relative; top: -0.125em; } |
| |
| b.conum * { color: inherit !important; } |
| |
| .conum:not([data-value]):empty { display: none; } |
| |
| h1, h2, h3, #toctitle, .sidebarblock > .content > .title, h4, h5, h6 { border-bottom: 1px solid #ddd; } |
| |
| .sect1 { padding-bottom: 0; } |
| |
| #toctitle { color: #00406F; font-weight: normal; margin-top: 1.5em; } |
| |
| .sidebarblock { border-color: #aaa; } |
| |
| code { -webkit-border-radius: 4px; border-radius: 4px; } |
| |
| p.tableblock.header { color: #6d6e71; } |
| |
| .literalblock pre, .listingblock pre { background: #eee; } |
| |
| /* From https://github.com/KhronosGroup/Vulkan-Docs/pull/901 */ |
| a code { color: inherit; } |
| |
| /* From https://github.com/KhronosGroup/Vulkan-Docs/pull/1157 */ |
| /* Make VUID anchor handles*/ |
| li > p > a[id^="VUID-"] { visibility: hidden; position: absolute; z-index: 1001; width: 2.2ex; margin-left: -2.2ex; display: block; text-decoration: none !important; text-align: center; font-weight: normal; } |
| |
| li > p > a[id^="VUID-"]:before { content: "\00A7"; font-size: 1em; display: block; padding-top: 0em; background: #fff; } |
| |
| li > p:hover > a[id^="VUID-"], li > p > a[id^="VUID-"]:hover { visibility: visible; } |
| |
| li > p > a[id^="VUID-"].link { color: black; text-decoration: none; } |
| |
| /* TODO: not quite sure what these two do */ |
| li > p > a[id^="VUID-"].link:hover { color: black; } |
| |
| .vuid { color: #4d4d4d; font-family: monospace; } |
| |
| </style> |
| <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css"> |
| <style> |
| /* Stylesheet for CodeRay to match GitHub theme | MIT License | http://foundation.zurb.com */ |
| pre.CodeRay{background:#f7f7f8} |
| .CodeRay .line-numbers{border-right:1px solid currentColor;opacity:.35;padding:0 .5em 0 0} |
| .CodeRay span.line-numbers{display:inline-block;margin-right:.75em} |
| .CodeRay .line-numbers strong{color:#000} |
| table.CodeRay{border-collapse:separate;border:0;margin-bottom:0;background:none} |
| table.CodeRay td{vertical-align:top;line-height:inherit} |
| table.CodeRay td.line-numbers{text-align:right} |
| table.CodeRay td.code{padding:0 0 0 .75em} |
| .CodeRay .debug{color:#fff !important;background:#000080 !important} |
| .CodeRay .annotation{color:#007} |
| .CodeRay .attribute-name{color:#000080} |
| .CodeRay .attribute-value{color:#700} |
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| <body class="book"> |
| <div id="header"> |
| <h1>cl_ext_image_from_buffer</h1> |
| <div class="details"> |
| <span id="author" class="author">Khronos<sup>®</sup> OpenCL Working Group</span><br> |
| <span id="revnumber">version v3.0.14-11-g94dc220,</span> |
| <span id="revdate">Wed, 14 Jun 2023 16:00:00 +0000</span> |
| <br><span id="revremark">from git branch: main commit: 94dc2207962e27ee87e0000634f0884103e3d9e9</span> |
| </div> |
| </div> |
| <div id="content"> |
| <div class="sect1"> |
| <h2 id="_name_strings"><a class="anchor" href="#_name_strings"></a>Name Strings</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p><code>cl_ext_image_from_buffer</code></p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_contact"><a class="anchor" href="#_contact"></a>Contact</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Please see the <strong>Issues</strong> list in the Khronos <strong>OpenCL-Docs</strong> repository:<br> |
| <a href="https://github.com/KhronosGroup/OpenCL-Docs" class="bare">https://github.com/KhronosGroup/OpenCL-Docs</a></p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_contributors"><a class="anchor" href="#_contributors"></a>Contributors</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Kevin Petit, Arm Ltd.<br> |
| Jeremy Kemp, Imagination Technologies<br> |
| Alastair Murray, Codeplay Software Ltd.<br> |
| Balaji Calidas, Qualcomm<br></p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_notice"><a class="anchor" href="#_notice"></a>Notice</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Copyright 2008-2023 The Khronos Group Inc.</p> |
| </div> |
| <div class="paragraph"> |
| <p>This Specification is protected by copyright laws and contains material proprietary to Khronos. |
| Except as described by these terms, it or any components may not be reproduced, republished, |
| distributed, transmitted, displayed, broadcast or otherwise exploited in any manner without the |
| express prior written permission of Khronos.</p> |
| </div> |
| <div class="paragraph"> |
| <p>This Specification has been created under the Khronos Intellectual Property Rights |
| Policy, which is Attachment A of the Khronos Group Membership Agreement available at |
| www.khronos.org/files/member_agreement.pdf and defines the terms 'Scope', 'Compliant Portion', |
| and 'Necessary Patent Claims'.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Khronos grants a conditional copyright license to use and reproduce the |
| unmodified Specification for any purpose, without fee or royalty, EXCEPT no licenses |
| to any patent, trademark or other intellectual property rights are granted under these |
| terms. Parties desiring to implement the Specification and make use of Khronos trademarks |
| in relation to that implementation, and receive reciprocal patent license protection under |
| the Khronos Intellectual Property Rights Policy must become Adopters and confirm the |
| implementation as conformant under the process defined by Khronos for this Specification; |
| see <a href="https://www.khronos.org/adopters" class="bare">https://www.khronos.org/adopters</a>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Khronos makes no, and expressly disclaims any, representations or warranties, |
| express or implied, regarding this Specification, including, without limitation: |
| merchantability, fitness for a particular purpose, non-infringement of any |
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| employees, agents or representatives be liable for any damages, whether direct, |
| indirect, special or consequential damages for lost revenues, lost profits, or |
| otherwise, arising from or in connection with these materials.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Where this Specification identifies specific sections of external references, only those |
| specifically identified sections define normative functionality. The Khronos Intellectual |
| Property Rights Policy excludes external references to materials and associated enabling |
| technology not created by Khronos from the Scope of this specification, and any licenses |
| that may be required to implement such referenced materials and associated technologies |
| must be obtained separately and may involve royalty payments.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Khronos® and Vulkan® are registered trademarks, and SPIR™, SPIR-V™, and SYCL™ are trademarks |
| of The Khronos Group Inc. OpenCLâ„¢ is a trademark of Apple Inc. used under license by Khronos. |
| OpenGL® is a registered trademark and the OpenGL ES™ and OpenGL SC™ logos |
| are trademarks of Hewlett Packard Enterprise used under license by Khronos. |
| All other product names, trademarks, and/or company names are used solely for identification |
| and belong to their respective owners.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_status"><a class="anchor" href="#_status"></a>Status</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Shipping.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_version"><a class="anchor" href="#_version"></a>Version</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Built On: 2023-06-14<br> |
| Version: 1.0.0</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_dependencies"><a class="anchor" href="#_dependencies"></a>Dependencies</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>This extension is written against the OpenCL Specification version 3.0.9.</p> |
| </div> |
| <div class="paragraph"> |
| <p>This extension requires OpenCL 3.0.</p> |
| </div> |
| <div class="paragraph"> |
| <p>This extension requires <code>cl_ext_image_requirements_info</code>.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_overview"><a class="anchor" href="#_overview"></a>Overview</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>This extension enables all types of images to be created from an existing buffer |
| object.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_new_api_enums"><a class="anchor" href="#_new_api_enums"></a>New API Enums</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Accepted value for the <em>param_name</em> parameter to <strong>clGetImageRequirementsInfoEXT</strong>:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="CodeRay highlight"><code data-lang="c">CL_IMAGE_REQUIREMENTS_SLICE_PITCH_ALIGNMENT_EXT <span class="hex">0x1291</span></code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_modifications_to_the_opencl_api_specification"><a class="anchor" href="#_modifications_to_the_opencl_api_specification"></a>Modifications to the OpenCL API Specification</h2> |
| <div class="sectionbody"> |
| <div class="dlist"> |
| <dl> |
| <dt class="hdlist1">(Modify Section 5.3.1, <strong>Creating Image Objects</strong>) </dt> |
| <dd> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>The following text:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p><em>image_format</em> is a pointer to a structure that describes format properties of the image to be |
| allocated. A 1D image buffer or 2D image can be created from a buffer by specifying a buffer |
| object in the image_desc→mem_object. A 2D image can be created from another 2D image object |
| by specifying an image object in the image_desc→mem_object. Refer to the Image Format |
| Descriptor section for a detailed description of the image format descriptor.</p> |
| </div> |
| </dd> |
| </dl> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>is replaced with:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p><em>image_format</em> is a pointer to a structure that describes format properties of |
| the image to be allocated. An image can be created from a buffer by specifying |
| a buffer object in the <em>image_desc</em>→_mem_object_. A 2D image can be created from |
| another 2D image object by specifying an image object in the |
| <em>image_desc</em>→_mem_object_. Refer to the Image Format Descriptor section for a |
| detailed description of the image format descriptor.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>The following text:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p><code>CL_INVALID_<wbr>IMAGE_<wbr>FORMAT_<wbr>DESCRIPTOR</code> if a 2D image is created from a buffer and |
| the row pitch and base address alignment does not follow the rules described |
| for creating a 2D image from a buffer.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>is replaced with:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p><code>CL_INVALID_<wbr>IMAGE_<wbr>FORMAT_<wbr>DESCRIPTOR</code> if an image is created from a buffer and |
| the row or slice pitch and base address alignment do not follow the rules |
| described for creating an image from a buffer.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>The following text is added to the list of error conditions for <strong>clCreateImageWithProperties</strong>:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p><code>CL_INVALID_<wbr>IMAGE_<wbr>SIZE</code> if an image is created from a buffer and the buffer |
| passed in <em>image_desc→_mem_object</em> is too small to be used as a data store |
| for the image, e.g. if its size is smaller than the value returned for |
| <code>CL_IMAGE_<wbr>REQUIREMENTS_<wbr>SIZE_<wbr>EXT</code> for the parameters used to create the image.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>The following text:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>For a 2D image created from a buffer, the pitch specified (or computed if |
| pitch specified is 0) must be a multiple of the maximum of the |
| <code>CL_DEVICE_<wbr>IMAGE_<wbr>PITCH_<wbr>ALIGNMENT</code> value for all devices in the context associated |
| with the buffer specified by mem_object that support images.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>is replaced with:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>For an image created from a buffer, the pitch specified (or computed if |
| pitch specified is 0) must be a multiple of the |
| <code>CL_IMAGE_<wbr>REQUIREMENTS_<wbr>ROW_<wbr>PITCH_<wbr>ALIGNMENT_<wbr>EXT</code> value for the <em>image_format</em>, |
| <em>image_type</em> and <em>flags</em> used to create the image.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>The following text is added to the description for <code>image_slice_pitch</code>:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>For an image created from a buffer, the pitch specified (or computed if |
| pitch specified is 0) must be a multiple of the |
| <code>CL_IMAGE_<wbr>REQUIREMENTS_<wbr>SLICE_<wbr>PITCH_<wbr>ALIGNMENT_<wbr>EXT</code> value for the <em>image_format</em>, |
| <em>image_type</em> and <em>flags</em> used to create the image.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>The following text:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p><code>mem_object</code> may refer to a valid buffer or image memory object. <code>mem_object</code> |
| can be a buffer memory object if image_type is <code>CL_MEM_<wbr>OBJECT_<wbr>IMAGE1D_<wbr>BUFFER</code> |
| or <code>CL_MEM_<wbr>OBJECT_<wbr>IMAGE2D</code>. <code>mem_object</code> can be an image object if <em>image_type</em> |
| is <code>CL_MEM_<wbr>OBJECT_<wbr>IMAGE2D</code>. Otherwise it must be <code>NULL</code>. The image pixels are |
| taken from the memory objects data store. When the contents of the specified |
| memory objects data store are modified, those changes are reflected in the |
| contents of the image object and vice-versa at corresponding synchronization |
| points.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>is replaced with:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p><code>mem_object</code> may refer to a valid buffer or image memory object. <code>mem_object</code> |
| can be an image object if <em>image_type</em> is <code>CL_MEM_<wbr>OBJECT_<wbr>IMAGE2D</code>. |
| Otherwise it must be <code>NULL</code>. The image pixels are taken from the memory objects |
| data store. When the contents of the specified memory objects data store are |
| modified, those changes are reflected in the contents of the image object and |
| vice-versa at corresponding synchronization points.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>The following text is added:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>For a 1D image created from a buffer object, the <code>image_width</code> × size of |
| element in bytes must be ≤ size of the buffer object. The image data in the |
| buffer object is stored as a single scanline which is a linear sequence of |
| adjacent elements.</p> |
| </div> |
| <div class="paragraph"> |
| <p>For a 1D image array created from a buffer object, the <code>image_slice_pitch</code> × |
| <code>image_array_size</code> must be ≤ size of the buffer object specified by <code>mem_object</code>. |
| The image data in the buffer object is stored as a linear sequence of adjacent 1D |
| slices. Each slice is a single scanline padded to <code>image_slice_pitch</code> bytes. |
| Each scanline is a linear sequence of image elements.</p> |
| </div> |
| <div class="paragraph"> |
| <p>For a 2D image array created from a buffer object, the <code>image_slice_pitch</code> × |
| <code>image_array_size</code> must be ≤ size of the buffer object specified by <code>mem_object</code>. |
| The image data in the buffer object is stored as a linear sequence of adjacent 2D |
| slices. Each slice is a linear sequence of adjacent scanlines padded to |
| <code>image_slice_pitch</code> bytes. Each scanline is a linear sequence of image elements padded |
| to <code>image_row_pitch</code> bytes.</p> |
| </div> |
| <div class="paragraph"> |
| <p>For a 3D image created from a buffer object, the <code>image_slice_pitch</code> × |
| <code>image_depth</code> must be ≤ size of the buffer object specified by <code>mem_object</code>. |
| The image data in the buffer object is stored as a linear sequence of adjacent 2D |
| slices padded to <code>image_slice_pitch</code> bytes. Each slice is a linear sequence of adjacent |
| scanlines. Each scanline is a linear sequence of image elements padded to |
| <code>image_row_pitch</code> bytes.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>The following text:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>Concurrent reading from, writing to and copying between both a buffer object and |
| 1D image buffer or 2D image object associated with the buffer object is undefined. |
| Only reading from both a buffer object and 1D image buffer or 2D image object |
| associated with the buffer object is defined.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>is replaced with:</p> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>Concurrent reading from, writing to and copying between both a buffer object and |
| an image object associated with the buffer object is undefined. Only reading from |
| both a buffer object and image object associated with the buffer object is defined.</p> |
| </div> |
| <div class="openblock"> |
| <div class="content"> |
| <div class="dlist"> |
| <dl> |
| <dt class="hdlist1">(Modify section 5.3.X, <strong>Querying image requirements</strong>) </dt> |
| </dl> |
| </div> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>The following is added to the _List of supported param_names by |
| <strong>clGetImageRequirementsInfoEXT</strong>:</p> |
| </div> |
| <table class="tableblock frame-all grid-all stretch"> |
| <colgroup> |
| <col style="width: 34%;"> |
| <col style="width: 33%;"> |
| <col style="width: 33%;"> |
| </colgroup> |
| <thead> |
| <tr> |
| <th class="tableblock halign-left valign-top">Image Requirement Info</th> |
| <th class="tableblock halign-left valign-top">Return type</th> |
| <th class="tableblock halign-left valign-top">Info. returned in <em>param_value</em></th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>CL_IMAGE_<wbr>REQUIREMENTS_<wbr>SLICE_<wbr>PITCH_<wbr>ALIGNMENT_<wbr>EXT</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>size_t</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Returns the slice pitch alignment required in bytes for images created from |
| a buffer with the parameters passed to <strong>clGetImageRequirementsInfoEXT</strong>. |
| The value returned is a power of two. <em>image_format</em> and <em>image_desc</em> are |
| allowed to be <code>NULL</code>. When either or both is <code>NULL</code> the value returned is |
| the minimum slice pitch alignment that is supported for all possible values |
| of the missing argument(s).</p></td> |
| </tr> |
| </tbody> |
| </table> |
| <div class="openblock"> |
| <div class="content"> |
| |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_interactions_with_other_extensions"><a class="anchor" href="#_interactions_with_other_extensions"></a>Interactions with Other Extensions</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>None.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_conformance_tests"><a class="anchor" href="#_conformance_tests"></a>Conformance tests</h2> |
| <div class="sectionbody"> |
| <div class="olist arabic"> |
| <ol class="arabic"> |
| <li> |
| <p>Test access from kernel</p> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>For all image types</p> |
| </li> |
| <li> |
| <p>For a few/all image formats</p> |
| </li> |
| <li> |
| <p>For several values of row/slice pitch</p> |
| </li> |
| <li> |
| <p>With or without a host_ptr</p> |
| </li> |
| <li> |
| <p>Create buffer and fill with data</p> |
| </li> |
| <li> |
| <p>Optionally create a sub-buffer with a randomly selected offset?</p> |
| </li> |
| <li> |
| <p>Create an image from the buffer</p> |
| </li> |
| <li> |
| <p>Read the image from a kernel and compare with values read using the buffer and direct addressing. They must match.</p> |
| </li> |
| </ul> |
| </div> |
| </li> |
| <li> |
| <p>TODO Test access via read/write/map commands?</p> |
| </li> |
| <li> |
| <p>TODO Test copy to/from buffer?</p> |
| </li> |
| <li> |
| <p>TODO Test fill?</p> |
| </li> |
| <li> |
| <p>TODO Test copy to/from another image?</p> |
| </li> |
| <li> |
| <p>Test clGetImageInfo</p> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>For all image types (one format per element size)</p> |
| </li> |
| <li> |
| <p>For a few different row/pitch sizes (image dimensions being equal or not)</p> |
| </li> |
| <li> |
| <p>Create an image from a buffer</p> |
| </li> |
| <li> |
| <p>Check that the returned values for <code>CL_IMAGE_<wbr>ROW_<wbr>PITCH</code> and <code>CL_IMAGE_<wbr>SLICE_<wbr>PITCH</code> are correct.</p> |
| </li> |
| </ul> |
| </div> |
| </li> |
| <li> |
| <p>Test clGetMemObjectInfo</p> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>For all image types (1 format only)</p> |
| </li> |
| <li> |
| <p>Create an image from a buffer</p> |
| </li> |
| <li> |
| <p>Check that <code>CL_MEM_<wbr>ASSOCIATED_<wbr>MEMOBJECT</code> correctly returns the buffer that was used.</p> |
| </li> |
| </ul> |
| </div> |
| </li> |
| <li> |
| <p>Negative testing for <strong>clCreateImage</strong> (alignment)</p> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>For a few/all image formats</p> |
| </li> |
| <li> |
| <p>For all image types</p> |
| </li> |
| <li> |
| <p>Query row pitch, slice pitch and base image address alignment for the format</p> |
| </li> |
| <li> |
| <p>Create an image from a buffer with invalid row pitch (not a multiple of required alignment) and check that <code>CL_INVALID_<wbr>IMAGE_<wbr>FORMAT_<wbr>DESCRIPTOR</code> is returned.</p> |
| </li> |
| <li> |
| <p>Create an image from a buffer with invalid slice pitch (not a multiple of required alignment) and check that <code>CL_INVALID_<wbr>IMAGE_<wbr>FORMAT_<wbr>DESCRIPTOR</code> is returned.</p> |
| </li> |
| <li> |
| <p>Create an image from a buffer with invalid base address alignment (not a multiple of required alignment) and check that <code>CL_INVALID_<wbr>IMAGE_<wbr>FORMAT_<wbr>DESCRIPTOR</code> is returned.</p> |
| </li> |
| </ul> |
| </div> |
| </li> |
| <li> |
| <p>Negative testing for <strong>clCreateImage</strong> (buffer size)</p> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>For a few image formats (at least smallest and biggest element types)</p> |
| </li> |
| <li> |
| <p>For all image types</p> |
| </li> |
| <li> |
| <p>Create a buffer too small</p> |
| </li> |
| <li> |
| <p>Check that image creation from that buffer is rejected with <code>CL_INVALID_<wbr>IMAGE_<wbr>SIZE</code></p> |
| </li> |
| </ul> |
| </div> |
| </li> |
| </ol> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_issues"><a class="anchor" href="#_issues"></a>Issues</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>None.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_version_history"><a class="anchor" href="#_version_history"></a>Version History</h2> |
| <div class="sectionbody"> |
| <table class="tableblock frame-all grid-rows stretch"> |
| <colgroup> |
| <col style="width: 4.7619%;"> |
| <col style="width: 14.2857%;"> |
| <col style="width: 14.2857%;"> |
| <col style="width: 66.6667%;"> |
| </colgroup> |
| <thead> |
| <tr> |
| <th class="tableblock halign-left valign-top">Version</th> |
| <th class="tableblock halign-left valign-top">Date</th> |
| <th class="tableblock halign-left valign-top">Author</th> |
| <th class="tableblock halign-left valign-top">Changes</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">1.0.0</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">2022-01-25</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">Kevin Petit</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><strong>Initial EXT revision</strong></p></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| </div> |
| <div id="footer"> |
| <div id="footer-text"> |
| Version v3.0.14-11-g94dc220<br> |
| Last updated 2023-06-14 09:00:00 -0700 |
| </div> |
| </div> |
| |
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