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Available in 8 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-8" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">8 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Blitter" title="Blitter – Catalan" lang="ca" hreflang="ca" data-title="Blitter" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Blitter" title="Blitter – Czech" lang="cs" hreflang="cs" data-title="Blitter" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Blitter" title="Blitter – Spanish" lang="es" hreflang="es" data-title="Blitter" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Blitter" title="Blitter – French" lang="fr" hreflang="fr" data-title="Blitter" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/BLiTTER" title="BLiTTER – Croatian" lang="hr" hreflang="hr" data-title="BLiTTER" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Blitter" title="Blitter – Polish" lang="pl" hreflang="pl" data-title="Blitter" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%91%D0%BB%D0%B8%D1%82%D1%82%D0%B5%D1%80" title="Блиттер – Russian" lang="ru" hreflang="ru" data-title="Блиттер" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Blitter" title="Blitter – Swedish" lang="sv" hreflang="sv" data-title="Blitter" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q2584276#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Blitter" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:Blitter" rel="discussion" 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href="/w/index.php?title=Blitter&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Blitter" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Blitter" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Blitter&oldid=1250502147" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Blitter&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=Blitter&id=1250502147&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FBlitter"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FBlitter"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Blitter&action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Blitter&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Blitters" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q2584276" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">An integrated circuit for rapid data synchronization</div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Blitter" title="Special:EditPage/Blitter">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Blitter%22">"Blitter"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Blitter%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Blitter%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Blitter%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Blitter%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Blitter%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">January 2008</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>A <b>blitter</b> is a circuit, sometimes as a <a href="/wiki/Coprocessor" title="Coprocessor">coprocessor</a> or a <a href="/wiki/Logic_block" title="Logic block">logic block</a> on a <a href="/wiki/Microprocessor" title="Microprocessor">microprocessor</a>, dedicated to the rapid movement and modification of data within a computer's <a href="/wiki/Random-access_memory" title="Random-access memory">memory</a>. A blitter can copy large quantities of data from one memory area to another relatively quickly, and in parallel with the <a href="/wiki/Central_processing_unit" title="Central processing unit">CPU</a>, while freeing up the CPU's more complex capabilities for other operations. A typical use for a blitter is the movement of a <a href="/wiki/Bitmap" title="Bitmap">bitmap</a>, such as windows and icons in a <a href="/wiki/Graphical_user_interface" title="Graphical user interface">graphical user interface</a> or images and backgrounds in a 2D video game. The name comes from the <a href="/wiki/Bit_blit" title="Bit blit">bit blit</a> operation of the 1973 <a href="/wiki/Xerox_Alto" title="Xerox Alto">Xerox Alto</a>,<sup id="cite_ref-shirriff_1-0" class="reference"><a href="#cite_note-shirriff-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> which stands for bit-block transfer.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> A blit operation is more than a memory copy, because it can involve data that's not byte aligned (hence the <i>bit</i> in <i>bit blit</i>), handling transparent pixels (pixels which should not overwrite the destination), and various ways of combining the source and destination data. </p><p>Blitters have largely been superseded by programmable <a href="/wiki/Graphics_processing_unit" title="Graphics processing unit">graphics processing units</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Blitter&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In computers without hardware accelerated <a href="/wiki/Raster_graphics" title="Raster graphics">raster graphics</a>, which includes most 1970s and 1980s home computers and <a href="/wiki/IBM_PC_compatible" class="mw-redirect" title="IBM PC compatible">IBM PC compatibles</a> through the mid-1990s, the <a href="/wiki/Frame_buffer" class="mw-redirect" title="Frame buffer">frame buffer</a> is commonly stored in CPU-accessible memory. Drawing is accomplished by updating the frame buffer via software. For fundamental graphics routines, like compositing a smaller image into a larger one (such as for a video game) or drawing a filled rectangle, large amounts of memory need to be manipulated, and many cycles are spent fetching and decoding short loops of load/store instructions. For CPUs without caches, the bus requirement for instructions is as significant as data. To reduce the size of the frame buffer, a single byte may not necessarily correspond to a pixel, but contain 8 single-bit pixels, 4 two-bit pixels, or a pair of 4-bit pixels. Manipulating packed pixels requires extra shifting and masking operations on the CPU. </p><p>Blitters were developed to offload repetitive tasks of copying data or filling blocks of memory faster than possible by the CPU. This can be done in parallel with the CPU and also handle special cases which would be significantly slower if coded by hand, such as skipping over pixels marked as transparent or handling data that isn't byte-aligned. </p> <div class="mw-heading mw-heading3"><h3 id="Blitters_in_computers_and_video_games">Blitters in computers and video games</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Blitter&action=edit&section=2" title="Edit section: Blitters in computers and video games"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><b>1973:</b> The <a href="/wiki/Xerox_Alto" title="Xerox Alto">Xerox Alto</a>, where the term <a href="/wiki/Bit_blit" title="Bit blit">bit blit</a> originated, has a bit block transfer instruction implemented in <a href="/wiki/Microcode" title="Microcode">microcode</a>, making it much faster than the same operation written on the CPU.<sup id="cite_ref-shirriff_1-1" class="reference"><a href="#cite_note-shirriff-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The microcode was implemented by <a href="/wiki/Dan_Ingalls" title="Dan Ingalls">Dan Ingalls</a>.<sup id="cite_ref-shirriff_1-2" class="reference"><a href="#cite_note-shirriff-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p><b>1978:</b> The <a href="/wiki/Bally_Astrocade" title="Bally Astrocade">Bally Astrocade</a> home console ships with primitive blitter hardware.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p><b>1982:</b> In addition to drawing shape primitives, the <a href="/wiki/NEC_%CE%BCPD7220" title="NEC μPD7220">NEC μPD7220</a> video display processor can transfer rectangular bitmaps to display memory via <a href="/wiki/Direct_memory_access" title="Direct memory access">direct memory access</a> and fill rectangular portions of the screen.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The design was licensed by Intel and sold as the 82720 graphics display controller. </p><p><b>1982:</b> The <i><a href="/wiki/Robotron:_2084" title="Robotron: 2084">Robotron: 2084</a></i> arcade video game from <a href="/wiki/WMS_Industries" title="WMS Industries">Williams Electronics</a> includes two blitter chips which allow the game to have up to 80 simultaneously moving objects.<sup id="cite_ref-btc_185_6-0" class="reference"><a href="#cite_note-btc_185-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Performance was measured at roughly 910 KB/second.<sup id="cite_ref-btc_185_6-1" class="reference"><a href="#cite_note-btc_185-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> The blitter operates on 4-bit (16 color) pixels where color 0 is transparent, allowing for non-rectangular shapes.<sup id="cite_ref-riddle_7-0" class="reference"><a href="#cite_note-riddle-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Williams used the same hardware in other games from the time period, including <i><a href="/wiki/Sinistar" title="Sinistar">Sinistar</a></i> and <i><a href="/wiki/Joust_(video_game)" title="Joust (video game)">Joust</a></i>.<sup id="cite_ref-riddle_7-1" class="reference"><a href="#cite_note-riddle-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p><b>1984:</b> The <a href="/wiki/MS-DOS" title="MS-DOS">MS-DOS</a> compatible <a href="/wiki/Mindset_(computer)" title="Mindset (computer)">Mindset</a> personal computer contains a custom <a href="/wiki/Very-large-scale_integration" title="Very-large-scale integration">VLSI</a> chip to move rectangular sections of a bitmap. The hardware handles transparency and eight modes for combining the source and destination data.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> The Mindset was claimed to have graphics up to 50x faster than <a href="/wiki/IBM_PC_compatible" class="mw-redirect" title="IBM PC compatible">IBM PC compatibles</a> of the time,<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> but the system was not successful. </p><p><b>1985:</b> One of the coprocessors in the <a href="/wiki/Amiga" title="Amiga">Amiga</a> personal computer is a blitter. The first US patent filing to use the term <i>blitter</i> was "Personal computer apparatus for block transfer of bit-mapped image data," assigned to Commodore-Amiga, Inc.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> The blitter performs an arbitrary boolean operation on three bit vectors of size 16: </p> <dl><dd><code>destination := op(source A, source B, source C)</code></dd></dl> <p><b>1986:</b> The <a href="/wiki/TMS34010" title="TMS34010">TMS34010</a> is a general purpose 32-bit processor with built-in instructions, including <code>PIXBLT</code> (Pixel Block Transfer), for manipulating bitmap data. It is optimized for cases that would take extra processing if implemented in software, such as handling transparent pixels, working with non-byte aligned data, and converting between bit depths. <code>PIXBLT</code> provides 22 ways of combining the source and destination data.<sup id="cite_ref-byte_11-0" class="reference"><a href="#cite_note-byte-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> The TMS34010 serves as both CPU and GPU for a number of arcade games starting in 1988 with <i><a href="/wiki/Narc_(video_game)" title="Narc (video game)">Narc</a></i> and including <i><a href="/wiki/Hard_Drivin%27" title="Hard Drivin'">Hard Drivin'</a></i>, <i><a href="/wiki/Smash_TV" title="Smash TV">Smash TV</a></i>, <i><a href="/wiki/Mortal_Kombat" title="Mortal Kombat">Mortal Kombat</a></i>, and <i><a href="/wiki/NBA_Jam_(1993_video_game)" title="NBA Jam (1993 video game)">NBA Jam</a></i>, <sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> It was also used in graphics accelerator boards in the 1990s. </p><p><b>1987:</b> The <a href="/wiki/IBM_8514" title="IBM 8514">IBM 8514/A</a> display adapter, introduced with the <a href="/wiki/IBM_Personal_System/2" class="mw-redirect" title="IBM Personal System/2">IBM Personal System/2</a> computers in April 1987, includes bit block transfer hardware.<sup id="cite_ref-Necasek_13-0" class="reference"><a href="#cite_note-Necasek-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Atari_Blitter.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Atari_Blitter.jpg/220px-Atari_Blitter.jpg" decoding="async" width="220" height="217" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Atari_Blitter.jpg/330px-Atari_Blitter.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Atari_Blitter.jpg/440px-Atari_Blitter.jpg 2x" data-file-width="927" data-file-height="915" /></a><figcaption>Atari ST BLiTTER chip</figcaption></figure> <p><b>1987:</b> The <a href="/wiki/Atari_ST" title="Atari ST">Atari Mega ST 2</a> ships with a blitter chip.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> Officially called the "Atari ST Bit-Block Transfer Processor", stylized as BLiTTER, it provides 16 options for merging source and destination data.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> The blitter is supported on most subsequent ST machines. </p><p><b>1989:</b> The short-lived <a href="/wiki/Atari_Transputer_Workstation" title="Atari Transputer Workstation">Atari Transputer Workstation</a> contains blitter hardware as part of its (Mega ST-based) "Blossom" video system.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p><b>1989:</b> The <a href="/wiki/Atari_Lynx" title="Atari Lynx">Atari Lynx</a> color handheld game system has a custom blitter with scaling and distortion effects. </p><p><b>1993:</b> The <a href="/wiki/Atari_Jaguar" title="Atari Jaguar">Atari Jaguar</a> game console has blitter hardware as part of the custom "Tom" chip.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p><b>1996:</b> The <a href="/wiki/VESA" class="mw-redirect" title="VESA">VESA</a> Group introduced a standardized way to access features like hardware Bit Block transfers with <a href="/wiki/VESA_BIOS_Extensions#VBE/accelerator_functions_(VBE/AF)_(August_1996)" title="VESA BIOS Extensions">VBE/accelerator functions (VBE/AF)</a> on IBM PC compatibles. </p> <div class="mw-heading mw-heading2"><h2 id="Operation">Operation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Blitter&action=edit&section=3" title="Edit section: Operation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Blit_dot.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/7/7c/Blit_dot.gif" decoding="async" width="96" height="144" class="mw-file-element" data-file-width="96" data-file-height="144" /></a><figcaption>Sprites (left) and associated masks</figcaption></figure> <p>Typically, a computer program puts information into certain hardware registers describing what memory transfer needs to be completed and the logical operations to perform on the data. The CPU then triggers the blitter to begin operating. The CPU is free for other processing while the blitter is working, though the blit running in parallel uses memory bandwidth. </p><p>To copy data with fully transparent pixels—such as sprites—some hardware allows a specific pixel value to be ignored, such as color 0, during the blit. Those pixels are not written to the destination. </p><p>Another approach on some systems is to have a second 1 bit per pixel image used as a <a href="/wiki/Mask_(computing)" title="Mask (computing)">mask</a> to indicate which pixels to transfer and which to leave untouched. The mask operates like a <a href="/wiki/Stencil" title="Stencil">stencil</a>. The logical operation is: </p> <dl><dd><code>destination := (background AND NOT mask) OR sprite</code></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Other_approaches">Other approaches</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Blitter&action=edit&section=4" title="Edit section: Other approaches"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Sprite_(computer_graphics)" title="Sprite (computer graphics)">Sprite (computer graphics)</a></div> <p>Hardware sprites are small bitmaps which can be positioned independently and are composited together with the background on-the-fly by the video chip. The frame buffer is not modified.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> The downside of sprites is a limit of moving graphics per scanline, which can range from three (<a href="/wiki/Atari_2600" title="Atari 2600">Atari 2600</a>) to eight (<a href="/wiki/Commodore_64" title="Commodore 64">Commodore 64</a> and <a href="/wiki/Atari_8-bit_computers" title="Atari 8-bit computers">Atari 8-bit computers</a>) to significantly higher for 16-bit consoles and arcade hardware (the <a href="/wiki/Neo_Geo" title="Neo Geo">Neo Geo</a> can display 96 sprites per line. The inability to update a permanent bitmap makes them unsuitable for general desktop GUI acceleration. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Blitter&action=edit&section=5" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Direct_memory_access" title="Direct memory access">Direct Memory Access</a> (DMA)</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Blitter&action=edit&section=6" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-shirriff-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-shirriff_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-shirriff_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-shirriff_1-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFShirriff" class="citation web cs1">Shirriff, Ken. <a rel="nofollow" class="external text" href="http://www.righto.com/2016/09/xerox-alto-restoration-day-5-smoke-and.html">"Restoring YCombinator's Xerox Alto day 5: Microcode tracing with a logic analyzer"</a>. <i>Ken Shirriff's Blog</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Ken+Shirriff%27s+Blog&rft.atitle=Restoring+YCombinator%27s+Xerox+Alto+day+5%3A+Microcode+tracing+with+a+logic+analyzer&rft.aulast=Shirriff&rft.aufirst=Ken&rft_id=http%3A%2F%2Fwww.righto.com%2F2016%2F09%2Fxerox-alto-restoration-day-5-smoke-and.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABlitter" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://msdn.microsoft.com/en-us/library/windows/desktop/dd183370(v=vs.85).aspx">"BitBlt function"</a>. <i>Windows Dev Network</i>. 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a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Graphics_Processing_Unit" title="Template:Graphics Processing Unit"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Graphics_Processing_Unit" title="Template talk:Graphics Processing Unit"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Graphics_Processing_Unit" title="Special:EditPage/Template:Graphics Processing Unit"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Graphics_processing_unit" style="font-size:114%;margin:0 4em"><a href="/wiki/Graphics_processing_unit" title="Graphics processing unit">Graphics processing unit</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">GPU</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Desktop</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_Intel_graphics_processing_units" title="List of Intel graphics processing units">Intel</a> <ul><li><a href="/wiki/Intel_Graphics_Technology" title="Intel Graphics Technology">GT</a></li> <li><a href="/wiki/Intel_Xe" title="Intel Xe">Xe</a></li> <li><a href="/wiki/Intel_Arc" title="Intel Arc">Arc</a></li></ul></li> <li><a href="/wiki/List_of_Nvidia_graphics_processing_units" title="List of Nvidia graphics processing units">Nvidia</a> <ul><li><a href="/wiki/GeForce" title="GeForce">GeForce</a></li> <li><a href="/wiki/Quadro" title="Quadro">Quadro</a></li> <li><a href="/wiki/Nvidia_Tesla" title="Nvidia Tesla">Tesla</a></li> <li><a href="/wiki/Nvidia_Tegra" class="mw-redirect" title="Nvidia Tegra">Tegra</a></li></ul></li> <li><a href="/wiki/List_of_AMD_graphics_processing_units" title="List of AMD graphics processing units">AMD</a> <ul><li><a href="/wiki/Radeon" title="Radeon">Radeon</a></li> <li><a href="/wiki/Radeon_Pro" title="Radeon Pro">Radeon Pro</a></li> <li><a href="/wiki/AMD_Instinct" title="AMD Instinct">Instinct</a></li></ul></li> <li><a href="/wiki/Matrox" title="Matrox">Matrox</a></li> <li><a href="/wiki/InfiniteReality" title="InfiniteReality">InfiniteReality</a></li> <li><a href="/wiki/NEC_%C2%B5PD7220" class="mw-redirect" title="NEC µPD7220">NEC µPD7220</a></li> <li><a href="/wiki/Comparison_of_3dfx_graphics_processing_units" class="mw-redirect" title="Comparison of 3dfx graphics processing units">3dfx Voodoo</a></li> <li><a href="/wiki/S3_Graphics" title="S3 Graphics">S3</a></li> <li><a href="/wiki/Glaze3D" title="Glaze3D">Glaze3D</a></li> <li><a href="/wiki/Apple_silicon" title="Apple silicon">Apple silicon</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Mobile</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adreno" title="Adreno">Adreno</a></li> <li><a href="/wiki/Apple_silicon" title="Apple silicon">Apple silicon</a></li> <li><a href="/wiki/Mali_(GPU)" class="mw-redirect" title="Mali (GPU)">Mali</a></li> <li><a href="/wiki/PowerVR" title="PowerVR">PowerVR</a></li> <li><a href="/wiki/VideoCore" title="VideoCore">VideoCore</a></li> <li><a href="/wiki/Vivante_Corporation" title="Vivante Corporation">Vivante</a></li> <li><a href="/wiki/Imageon" title="Imageon">Imageon</a></li> <li><a href="/wiki/Intel_2700G" title="Intel 2700G">Intel 2700G</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Architecture</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Compute_kernel" title="Compute kernel">Compute kernel</a></li> <li><a href="/wiki/Semiconductor_device_fabrication" title="Semiconductor device fabrication">Fabrication</a> <ul><li><a href="/wiki/CMOS" title="CMOS">CMOS</a></li> <li><a href="/wiki/FinFET" class="mw-redirect" title="FinFET">FinFET</a></li> <li><a href="/wiki/MOSFET" title="MOSFET">MOSFET</a></li></ul></li> <li><a href="/wiki/Graphics_pipeline" title="Graphics pipeline">Graphics pipeline</a> <ul><li><a href="/wiki/Geometry_pipelines" title="Geometry pipelines">Geometry</a></li> <li><a href="/wiki/Vertex_pipeline" title="Vertex pipeline">Vertex</a></li></ul></li> <li><a href="/wiki/High-dynamic-range_rendering" title="High-dynamic-range rendering">HDR rendering</a></li> <li><a href="/wiki/Multiply%E2%80%93accumulate_operation" title="Multiply–accumulate operation">MAC</a></li> <li><a href="/wiki/Rasterisation" title="Rasterisation">Rasterisation</a> <ul><li><a href="/wiki/Shading" title="Shading">Shading</a></li></ul></li> <li><a href="/wiki/Ray-tracing_hardware" title="Ray-tracing hardware">Ray-tracing</a></li> <li><a href="/wiki/Single_instruction,_multiple_data" title="Single instruction, multiple data">SIMD</a> <ul><li><a href="/wiki/Single_instruction,_multiple_threads" title="Single instruction, multiple threads">SIMT</a></li></ul></li> <li><a href="/wiki/Tessellation_(computer_graphics)" title="Tessellation (computer graphics)">Tessellation</a></li> <li><a href="/wiki/Transform,_clipping,_and_lighting" title="Transform, clipping, and lighting">T&L</a></li> <li><a href="/wiki/Tiled_rendering" title="Tiled rendering">Tiled rendering</a></li> <li><a href="/wiki/Unified_shader_model" title="Unified shader model">Unified shader model</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Components</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a class="mw-selflink selflink">Blitter</a></li> <li><a href="/wiki/Geometry_processing" title="Geometry processing">Geometry processor</a></li> <li><a href="/wiki/Input%E2%80%93output_memory_management_unit" title="Input–output memory management unit">Input–output memory management unit</a></li> <li><a href="/wiki/Render_output_unit" title="Render output unit">Render output unit</a></li> <li><a href="/wiki/Shader" title="Shader">Shader unit</a></li> <li><a href="/wiki/Stream_processing" title="Stream processing">Stream processor</a></li> <li><a href="/wiki/Tensor" title="Tensor">Tensor unit</a></li> <li><a href="/wiki/Texture_mapping_unit" title="Texture mapping unit">Texture mapping unit</a></li> <li><a href="/wiki/Video_display_controller" title="Video display controller">Video display controller</a></li> <li><a href="/wiki/Video_processing_unit" class="mw-redirect" title="Video processing unit">Video processing unit</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Memory</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Direct_memory_access" title="Direct memory access">DMA</a></li> <li><a href="/wiki/Framebuffer" title="Framebuffer">Framebuffer</a></li> <li><a href="/wiki/SGRAM" class="mw-redirect" title="SGRAM">SGRAM</a> <ul><li><a href="/wiki/GDDR_SDRAM" title="GDDR SDRAM">GDDR</a></li> <li><a href="/wiki/GDDR2" class="mw-redirect" title="GDDR2">GDDR2</a></li> <li><a href="/wiki/GDDR3" class="mw-redirect" title="GDDR3">GDDR3</a></li> <li><a href="/wiki/GDDR4" class="mw-redirect" title="GDDR4">GDDR4</a></li> <li><a href="/wiki/GDDR5" class="mw-redirect" title="GDDR5">GDDR5</a></li> <li><a href="/wiki/GDDR6" class="mw-redirect" title="GDDR6">GDDR6</a></li> <li><a href="/wiki/GDDR7" class="mw-redirect" title="GDDR7">GDDR7</a></li></ul></li> <li><a href="/wiki/High_Bandwidth_Memory" title="High Bandwidth Memory">HBM</a> <ul><li><a href="/wiki/HBM2" class="mw-redirect" title="HBM2">HBM2</a></li> <li><a href="/wiki/HBM2E" class="mw-redirect" title="HBM2E">HBM2E</a></li> <li><a href="/wiki/HBM3" class="mw-redirect" title="HBM3">HBM3</a></li> <li><a href="/wiki/HBM-PIM" class="mw-redirect" title="HBM-PIM">HBM-PIM</a></li> <li><a href="/wiki/HBM3E" class="mw-redirect" title="HBM3E">HBM3E</a></li></ul></li> <li><a href="/wiki/Memory_bandwidth" title="Memory bandwidth">Memory bandwidth</a></li> <li><a href="/wiki/Memory_controller" title="Memory controller">Memory controller</a></li> <li><a href="/wiki/Shared_graphics_memory" title="Shared graphics memory">Shared graphics memory</a></li> <li><a href="/wiki/Texture_memory" title="Texture memory">Texture memory</a></li> <li><a href="/wiki/Video_RAM_(dual-ported_DRAM)" class="mw-redirect" title="Video RAM (dual-ported DRAM)">VRAM</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Form factor</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Semiconductor_intellectual_property_core" title="Semiconductor intellectual property core">IP core</a></li> <li><a href="/wiki/Video_card" class="mw-redirect" title="Video card">Discrete graphics</a> <ul><li><a href="/wiki/GPU_cluster" title="GPU cluster">Clustering</a></li> <li><a href="/wiki/GPU_switching" title="GPU switching">Switching</a></li></ul></li> <li><a href="/wiki/External_GPU" class="mw-redirect" title="External GPU">External graphics</a></li> <li><a href="/wiki/Integrated_graphics" class="mw-redirect" title="Integrated graphics">Integrated graphics</a></li> <li><a href="/wiki/System_on_a_chip" title="System on a chip">System on a chip</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Performance</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Clock_rate" title="Clock rate">Clock rate</a></li> <li><a href="/wiki/Computer_display_standard" class="mw-redirect" title="Computer display standard">Display resolution</a></li> <li><a href="/wiki/Fillrate" title="Fillrate">Fillrate</a> <ul><li><a href="/wiki/Gigapixel_image" title="Gigapixel image">Pixel/s</a></li> <li><a href="/wiki/Texel_(graphics)" title="Texel (graphics)">Texel/s</a></li></ul></li> <li><a href="/wiki/FLOPS" class="mw-redirect" title="FLOPS">FLOP/s</a></li> <li><a href="/wiki/Frame_rate" title="Frame rate">Frame rate</a></li> <li><a href="/wiki/Performance_per_watt" title="Performance per watt">Performance per watt</a></li> <li><a href="/wiki/Transistor_count" title="Transistor count">Transistor count</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Misc</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/2D_computer_graphics" title="2D computer graphics">2D</a> <ul><li><a href="/wiki/Scrolling" title="Scrolling">Scrolling</a></li> <li><a href="/wiki/Sprite_(computer_graphics)" title="Sprite (computer graphics)">Sprite</a></li> <li><a href="/wiki/Tile-based_video_game" title="Tile-based video game">Tile</a></li></ul></li> <li><a href="/wiki/3D_computer_graphics" title="3D computer graphics">3D</a> <ul><li><a href="/wiki/Global_illumination" title="Global illumination">GI</a></li> <li><a href="/wiki/Texture_mapping" title="Texture mapping">Texture</a></li></ul></li> <li><a href="/wiki/Application-specific_integrated_circuit" title="Application-specific integrated circuit">ASIC</a></li> <li><a href="/wiki/General-purpose_computing_on_graphics_processing_units" title="General-purpose computing on graphics processing units">GPGPU</a></li> <li><a href="/wiki/Graphics_library" title="Graphics library">Graphics library</a></li> <li><a href="/wiki/Hardware_acceleration" title="Hardware acceleration">Hardware acceleration</a></li> <li><a href="/wiki/Digital_image_processing" title="Digital image processing">Image processing</a> <ul><li><a href="/wiki/Image_compression" title="Image compression">Compression</a></li></ul></li> <li><a href="/wiki/Parallel_computing" title="Parallel computing">Parallel computing</a></li> <li><a href="/wiki/Vector_processor" title="Vector processor">Vector processor</a></li> <li><a href="/wiki/Video_coding_format" title="Video coding format">Video coding</a> <ul><li><a href="/wiki/Video_codec" title="Video codec">Codec</a></li></ul></li> <li><a href="/wiki/Very_long_instruction_word" title="Very long instruction word">VLIW</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Blitter&oldid=1250502147">https://en.wikipedia.org/w/index.php?title=Blitter&oldid=1250502147</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" 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