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  1. <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `ImageFormat` struct in crate `ocl`."><meta name="keywords" content="rust, rustlang, rust-lang, ImageFormat"><title>ocl::builders::ImageFormat - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><p class='location'>Struct ImageFormat</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#fields">Fields</a><div class="sidebar-links"><a href="#structfield.channel_order">channel_order</a><a href="#structfield.channel_data_type">channel_data_type</a></div><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.new">new</a><a href="#method.new_rgba">new_rgba</a><a href="#method.from_raw">from_raw</a><a href="#method.list_from_raw">list_from_raw</a><a href="#method.to_raw">to_raw</a><a href="#method.new_raw">new_raw</a><a href="#method.pixel_bytes">pixel_bytes</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Clone">Clone</a><a href="#impl-Debug">Debug</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div></div><p class='location'><a href='../index.html'>ocl</a>::<wbr><a href='index.html'>builders</a></p><script>window.sidebarCurrent = {name: 'ImageFormat', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Struct <a href='../index.html'>ocl</a>::<wbr><a href='index.html'>builders</a>::<wbr><a class="struct" href=''>ImageFormat</a></span><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>&#x2212;</span>]</a></span><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#788-791' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust struct'>pub struct ImageFormat {
    2. 

  2.     pub channel_order: <a class="enum" href="../../ocl/enums/enum.ImageChannelOrder.html" title="enum ocl::enums::ImageChannelOrder">ImageChannelOrder</a>,
    3. 

  3.     pub channel_data_type: <a class="enum" href="../../ocl/enums/enum.ImageChannelDataType.html" title="enum ocl::enums::ImageChannelDataType">ImageChannelDataType</a>,
    4. 

  4. }</pre></div><div class='docblock'><p>Image format properties used by <code>Image</code>.</p>
    5. 

  5. <p>A structure that describes format properties of the image to be allocated. (from SDK)</p>
    6. 

  6. <h1 id="examples-from-sdk" class="section-header"><a href="#examples-from-sdk">Examples (from SDK)</a></h1>
    7. 

  7. <p>To specify a normalized unsigned 8-bit / channel RGBA image:
    8. 

  8. image_channel_order = CL_RGBA
    9. 

  9. image_channel_data_type = CL_UNORM_INT8</p>
    10. 

  10. <p>image_channel_data_type values of CL_UNORM_SHORT_565, CL_UNORM_SHORT_555
    11. 

  11. and CL_UNORM_INT_101010 are special cases of packed image formats where
    12. 

  12. the channels of each element are packed into a single unsigned short or
    13. 

  13. unsigned int. For these special packed image formats, the channels are
    14. 

  14. normally packed with the first channel in the most significant bits of the
    15. 

  15. bitfield, and successive channels occupying progressively less significant
    16. 

  16. locations. For CL_UNORM_SHORT_565, R is in bits 15:11, G is in bits 10:5
    17. 

  17. and B is in bits 4:0. For CL_UNORM_SHORT_555, bit 15 is undefined, R is in
    18. 

  18. bits 14:10, G in bits 9:5 and B in bits 4:0. For CL_UNORM_INT_101010, bits
    19. 

  19. 31:30 are undefined, R is in bits 29:20, G in bits 19:10 and B in bits
    20. 

  20. 9:0. OpenCL implementations must maintain the minimum precision specified
    21. 

  21. by the number of bits in image_channel_data_type. If the image format
    22. 

  22. specified by image_channel_order, and image_channel_data_type cannot be
    23. 

  23. supported by the OpenCL implementation, then the call to clCreateImage
    24. 

  24. will return a NULL memory object.</p>
    25. 

  25. </div><h2 id='fields' class='fields small-section-header'>
    26. 

  26.                        Fields<a href='#fields' class='anchor'></a></h2><span id="structfield.channel_order" class="structfield small-section-header">
    27. 

  27.                            <a href="#structfield.channel_order" class="anchor field"></a>
    28. 

  28.                            <span id="channel_order.v" class='invisible'>
    29. 

  29.                            <code>channel_order: <a class="enum" href="../../ocl/enums/enum.ImageChannelOrder.html" title="enum ocl::enums::ImageChannelOrder">ImageChannelOrder</a></code>
    30. 

  30.                            </span></span><span id="structfield.channel_data_type" class="structfield small-section-header">
    31. 

  31.                            <a href="#structfield.channel_data_type" class="anchor field"></a>
    32. 

  32.                            <span id="channel_data_type.v" class='invisible'>
    33. 

  33.                            <code>channel_data_type: <a class="enum" href="../../ocl/enums/enum.ImageChannelDataType.html" title="enum ocl::enums::ImageChannelDataType">ImageChannelDataType</a></code>
    34. 

  34.                            </span></span>
    35. 

  35.                     <h2 id='methods' class='small-section-header'>
    36. 

  36.                       Methods<a href='#methods' class='anchor'></a>
    37. 

  37.                     </h2>
    38. 

  38.                 <h3 id='impl' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="struct" href="../../ocl/builders/struct.ImageFormat.html" title="struct ocl::builders::ImageFormat">ImageFormat</a></code><a href='#impl' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#793-917' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.new' class="method"><span id='new.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.new' class='fnname'>new</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;order: <a class="enum" href="../../ocl/enums/enum.ImageChannelOrder.html" title="enum ocl::enums::ImageChannelOrder">ImageChannelOrder</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;data_type: <a class="enum" href="../../ocl/enums/enum.ImageChannelDataType.html" title="enum ocl::enums::ImageChannelDataType">ImageChannelDataType</a><br>) -&gt; <a class="struct" href="../../ocl/builders/struct.ImageFormat.html" title="struct ocl::builders::ImageFormat">ImageFormat</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#794-799' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.new_rgba' class="method"><span id='new_rgba.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.new_rgba' class='fnname'>new_rgba</a>() -&gt; <a class="struct" href="../../ocl/builders/struct.ImageFormat.html" title="struct ocl::builders::ImageFormat">ImageFormat</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#801-806' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.from_raw' class="method"><span id='from_raw.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.from_raw' class='fnname'>from_raw</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;fmt_raw: <a class="struct" href="../../cl_sys/cl_h/struct.cl_image_format.html" title="struct cl_sys::cl_h::cl_image_format">cl_image_format</a><br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="struct" href="../../ocl/builders/struct.ImageFormat.html" title="struct ocl::builders::ImageFormat">ImageFormat</a>, <a class="enum" href="../../ocl_core/types/structs/enum.ImageFormatParseError.html" title="enum ocl_core::types::structs::ImageFormatParseError">ImageFormatParseError</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#808-822' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.list_from_raw' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</span></div><div class="content hidden"><h3 class="important">Important traits for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</h3><code class="content"><span class="where fmt-newline">impl <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</span></code></div></div><span id='list_from_raw.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.list_from_raw' class='fnname'>list_from_raw</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;list_raw: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="../../cl_sys/cl_h/struct.cl_image_format.html" title="struct cl_sys::cl_h::cl_image_format">cl_image_format</a>&gt;<br>) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="struct" href="../../ocl/builders/struct.ImageFormat.html" title="struct ocl::builders::ImageFormat">ImageFormat</a>, <a class="enum" href="../../ocl_core/types/structs/enum.ImageFormatParseError.html" title="enum ocl_core::types::structs::ImageFormatParseError">ImageFormatParseError</a>&gt;&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#824-828' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.to_raw' class="method"><span id='to_raw.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.to_raw' class='fnname'>to_raw</a>(&amp;self) -&gt; <a class="struct" href="../../cl_sys/cl_h/struct.cl_image_format.html" title="struct cl_sys::cl_h::cl_image_format">cl_image_format</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#830-835' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.new_raw' class="method"><span id='new_raw.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.new_raw' class='fnname'>new_raw</a>() -&gt; <a class="struct" href="../../cl_sys/cl_h/struct.cl_image_format.html" title="struct cl_sys::cl_h::cl_image_format">cl_image_format</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#837-842' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.pixel_bytes' class="method"><span id='pixel_bytes.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.pixel_bytes' class='fnname'>pixel_bytes</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#853-916' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns the size in bytes of a pixel using the format specified by this
    39. 

  39. <code>ImageFormat</code>.</p>
    40. 

  40. <p>TODO: Add a special case for Depth &amp; DepthStencil
    41. 

  41. (https://www.khronos.org/registry/cl/sdk/2.0/docs/man/xhtml/cl_khr_gl_depth_images.html).</p>
    42. 

  42. <p>TODO: Validate combinations.
    43. 

  43. TODO: Use <code>core::get_image_info</code> to check these with a test.</p>
    44. 

  44. </div></div>
    45. 

  45.                 <h2 id='implementations' class='small-section-header'>
    46. 

  46.                   Trait Implementations<a href='#implementations' class='anchor'></a>
    47. 

  47.                 </h2>
    48. 

  48.                 <div id='implementations-list'><h3 id='impl-Clone' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../../ocl/builders/struct.ImageFormat.html" title="struct ocl::builders::ImageFormat">ImageFormat</a></code><a href='#impl-Clone' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#787' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.clone' class="method"><span id='clone.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&amp;self) -&gt; <a class="struct" href="../../ocl/builders/struct.ImageFormat.html" title="struct ocl::builders::ImageFormat">ImageFormat</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#787' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
    49. 

  49. </div><h4 id='method.clone_from' class="method"><span id='clone_from.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&amp;mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>Self)</code></span></td><td><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#130-132' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
    50. 

  50. </div></div><h3 id='impl-Debug' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../ocl/builders/struct.ImageFormat.html" title="struct ocl::builders::ImageFormat">ImageFormat</a></code><a href='#impl-Debug' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#787' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/ocl_core/types/structs.rs.html#787' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
    51. 

  51. </div></div></div>
    52. 

  52.                 <h2 id='synthetic-implementations' class='small-section-header'>
    53. 

  53.                   Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a>
    54. 

  54.                 </h2>
    55. 

  55.                 <div id='synthetic-implementations-list'>
    56. 

  56.             <h3 id='impl-Send' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../ocl/builders/struct.ImageFormat.html" title="struct ocl::builders::ImageFormat">ImageFormat</a></code><a href='#impl-Send' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../ocl/builders/struct.ImageFormat.html" title="struct ocl::builders::ImageFormat">ImageFormat</a></code><a href='#impl-Sync' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div></div></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>&#9166;</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../../";window.currentCrate = "ocl";</script><script src="../../aliases.js"></script><script src="../../main.js"></script><script defer src="../../search-index.js"></script></body></html>
    57.