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| <title>clCreateFromD3D11Texture3DKHR</title> |
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| <meta name="keywords" content="clCreateFromD3D11Texture3DKHR" /> |
| </head> |
| <body> |
| <div class="refentry"> |
| <a id="id-1"></a> |
| <div class="titlepage"></div> |
| <div xmlns="" class="refnamediv"> |
| <a xmlns="http://www.w3.org/1999/xhtml" id="clCreateFromD3D11Texture3DKHR"></a> |
| <h1>clCreateFromD3D11Texture3DKHR</h1> |
| <p>Creates an OpenCL 3D image object from a subresource of a Direct3D 11 3D texture.</p> |
| </div> |
| <div class="refsynopsisdiv"> |
| <h2></h2> |
| <div class="funcsynopsis"> |
| <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"> |
| <tr valign="bottom"> |
| <td> |
| <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef"> |
| <a class="link" href="abstractDataTypes.html" target="pagedisplay">cl_mem</a> |
| <strong class="fsfunc">clCreateFromD3D11Texture3DKHR</strong>(</code> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="pagedisplay">cl_context</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">context</var>, </td> |
| </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="enums.html#cl_mem_flags" target="pagedisplay">cl_mem_flags</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">flags</var>, </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td>ID3D11Texture3D <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*resource</var>, </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">UINT</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">subresource</var>, </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td> |
| <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">cl_int</a> |
| <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*errcode_ret</var> |
| <code>)</code></td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="parameters"></a> |
| <h2>Parameters</h2> |
| <div class="variablelist"> |
| <dl class="variablelist"> |
| <dt> |
| <span class="term"> |
| <code class="varname">context</code> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| A valid OpenCL context created from a Direct3D 11 device. |
| </p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <code class="varname">flags</code> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| A bit-field that is used to specify usage information. |
| May be <code class="constant">CL_MEM_READ_ONLY</code>, <code class="constant">CL_MEM_WRITE_ONLY</code>, |
| or <code class="constant">CL_MEM_READ_WRITE</code>. (See the table for |
| <a class="citerefentry" href="clCreateBuffer.html"><span class="citerefentry"><span class="refentrytitle">clCreateBuffer</span></span></a> |
| for more information.) |
| </p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <code class="varname">resource</code> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| A pointer to the Direct3D 11 texture to share. |
| </p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <code class="varname">subresource</code> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| The subresource of <code class="varname">resource</code> to share. |
| </p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <code class="varname">errcode_ret</code> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| An appropriate error code. If <code class="varname">errcode_ret</code> is NULL, |
| no error code is returned. |
| </p> |
| </dd> |
| </dl> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="notes"></a> |
| <h2>Notes</h2> |
| <p> |
| The width, height and depth of the returned OpenCL 3D image object are determined |
| by the width, height and depth of subresource <code class="varname">subresource</code> of |
| <code class="varname">resource</code>. The channel type and order of the returned OpenCL 3D |
| image object is determined by the format of <code class="varname">resource</code> as shown in |
| the table below (Table 9.9.3). |
| </p> |
| <p> |
| This call will increment the internal Direct3D reference count on |
| <code class="varname">resource</code>. The internal Direct3D reference count on |
| <code class="varname">resource</code> will be decremented when the OpenCL reference count on |
| the returned OpenCL memory object drops to zero. |
| </p> |
| <div class="informaltable"> |
| <table class="informaltable" border="1"> |
| <colgroup> |
| <col align="center" class="col1" /> |
| <col align="center" class="col2" /> |
| </colgroup> |
| <thead> |
| <tr> |
| <th align="center">DXGI format</th> |
| <th align="center">CL image format (channel order, channel data type)</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R32G32B32A32_FLOAT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_FLOAT</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R32G32B32A32_UINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_UNSIGNED_INT32</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R32G32B32A32_SINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_SIGNED_INT32</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16G16B16A16_FLOAT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_HALF_FLOAT</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16G16B16A16_UNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_UNORM_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16G16B16A16_UINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_UNSIGNED_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16G16B16A16_SNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_SNORM_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16G16B16A16_SINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_SIGNED_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_B8G8R8A8_UNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_BGRA, CL_UNORM_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8G8B8A8_UNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_UNORM_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8G8B8A8_UINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_UNSIGNED_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8G8B8A8_SNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_SNORM_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8G8B8A8_SINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RGBA, CL_SIGNED_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R32G32_FLOAT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_FLOAT</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R32G32_UINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_UNSIGNED_INT32</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R32G32_SINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_SIGNED_INT32</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16G16_FLOAT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_HALF_FLOAT</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16G16_UNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_UNORM_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16G16_UINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_UNSIGNED_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16G16_SNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_SNORM_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16G16_SINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_SIGNED_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8G8_UNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_UNORM_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8G8_UINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_UNSIGNED_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8G8_SNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_SNORM_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8G8_SINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_RG, CL_SIGNED_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R32_FLOAT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_FLOAT</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R32_UINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_UNSIGNED_INT32</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R32_SINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_SIGNED_INT32</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16_FLOAT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_HALF_FLOAT</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16_UNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_UNORM_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16_UINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_UNSIGNED_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16_SNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_SNORM_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R16_SINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_SIGNED_INT16</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8_UNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_UNORM_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8_UINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_UNSIGNED_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8_SNORM</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_SNORM_INT8</code> |
| </td> |
| </tr> |
| <tr> |
| <td align="center"> |
| <code class="constant">DXGI_FORMAT_R8_SINT</code> |
| </td> |
| <td align="center"> |
| <code class="constant">CL_R, CL_SIGNED_INT8</code> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <h4><a id="id-1.6.5"></a>Sharing Memory Objects with Direct3D 11 Resources</h4> |
| <p> |
| The goal of this extension is to provide interoperability between |
| OpenCL and Direct3D 11. This is designed to function analogously |
| to the <a class="citerefentry" href="cl_khr_gl_sharing.html"><span class="citerefentry"><span class="refentrytitle">OpenGL |
| interoperability</span></span></a> as defined in sections 9.7 and 9.8. |
| If this extension is supported by an implementation, the string "cl_khr_d3d11_sharing" |
| will be present in the <code class="constant">CL_PLATFORM_EXTENSIONS</code> |
| or <code class="constant">CL_DEVICE_EXTENSIONS</code> string described in |
| the table of allowed values for <code class="varname">param_name</code> for |
| <a class="citerefentry" href="clGetDeviceInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetDeviceInfo</span></span></a> or |
| <a class="citerefentry" href="clGetPlatformInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetPlatformInfo</span></span></a>. |
| </p> |
| <p> |
| As currently proposed the interfaces for this extension would be provided in |
| <code class="code">cl_d3d11.h</code>. |
| </p> |
| <p> |
| This section discusses OpenCL functions that allow |
| applications to use Direct3D 11 resources as OpenCL memory objects. This allows efficient |
| sharing of data between OpenCL and Direct3D 11. The OpenCL API may be used to execute |
| kernels that read and/or write memory objects that are also Direct3D 11 resources. An |
| OpenCL image object may be created from a Direct3D 11 texture resource. An OpenCL buffer |
| object may be created from a Direct3D 11 buffer resource. OpenCL memory objects may be |
| created from Direct3D 11 objects if and only if the OpenCL context has been created from |
| a Direct3D 11 device. |
| </p> |
| <h4><a id="id-1.6.9"></a>Lifetime of Shared Objects</h4> |
| <p> |
| An OpenCL memory object created from a |
| Direct3D 11 resource remains valid as long as the corresponding Direct3D 11 resource has |
| not been deleted. If the Direct3D 11 resource is deleted through the Direct3D 11 API, |
| subsequent use of the OpenCL memory object will result in undefined behavior, including |
| but not limited to possible OpenCL errors, data corruption, and program termination. |
| </p> |
| <p> |
| The successful creation of a |
| cl_context against a Direct3D 11 device specified via the context create parameter |
| <code class="constant">CL_CONTEXT_D3D11_DEVICE_KHR</code> will increment the internal Direct3D |
| reference count on the specified Direct3D 11 device. The internal Direct3D reference |
| count on that Direct3D 11 device will be decremented when the OpenCL reference count on |
| the returned OpenCL context drops to zero. |
| </p> |
| <p> |
| The OpenCL context and corresponding command-queues are dependent on the |
| existence of the Direct3D 11 device from which the OpenCL context was created. If the |
| Direct3D 11 device is deleted through the Direct3D 11 API, subsequent use of the OpenCL |
| context will result in undefined behavior, including but not limited to possible OpenCL |
| errors, data corruption, and program termination. |
| </p> |
| <p> |
| Properties of Direct3D 11 objects may be queried |
| using <a class="citerefentry" href="clGetMemObjectInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetMemObjectInfo</span></span></a> |
| and <a class="citerefentry" href="clGetImageInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetImageInfo</span></span></a> |
| with <code class="varname">param_name</code> <code class="constant">CL_MEM_D3D11_RESOURCE_KHR</code> and |
| <code class="constant">CL_IMAGE_D3D11_SUBRESOURCE_KHR</code>. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="errors"></a> |
| <h2>Errors</h2> |
| <p> |
| Returns a valid non-zero OpenCL image object |
| and <code class="varname">errcode_ret</code> is set to <span class="errorname">CL_SUCCESS</span> if the |
| image object is created successfully. Otherwise, it returns a NULL value with one of |
| the following error values returned in <code class="varname">errcode_ret</code>: |
| </p> |
| <div class="itemizedlist"> |
| <ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_CONTEXT</span> if <code class="varname">context</code> is not |
| a valid context. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_VALUE</span> if values specified in |
| <code class="varname">flags</code> are not valid or if <code class="varname">subresource</code> |
| is not a valid subresource index for <code class="varname">resource</code>. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_D3D11_RESOURCE_KHR</span> if |
| <code class="varname">resource</code> is not a Direct3D 11 texture resource, if |
| <code class="varname">resource</code> was created with the <code class="constant">D3D11_USAGE</code> |
| flag <code class="constant">D3D11_USAGE_IMMUTABLE</code>, if a <code class="varname">resource</code> |
| is a multisampled texture, if a <span class="type">cl_mem</span> from subresource |
| <code class="varname">subresource</code> of <code class="varname">resource</code> has already |
| been created using <code class="function">clCreateFromD3D11Texture3DKHR</code>, or if |
| <code class="varname">context</code> was not created against the same Direct3D 11 device |
| from which <code class="varname">resource</code> was created. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_IMAGE_FORMAT_DESCRIPTOR</span> if the Direct3D |
| 11 texture format of <code class="varname">resource</code> is not a value listed |
| in the table above of Direct3D 11 and corresponding OpenCL image formats, |
| or if the Direct3D 11 texture format of <code class="varname">resource</code> does not map |
| to a supported OpenCL image format. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_OUT_OF_HOST_MEMORY</span> if there is a failure to allocate |
| resources required by the OpenCL implementation on the host. |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="specification"></a> |
| <h2>Specification</h2> |
| <p><img src="pdficon_small1.gif" /> |
| <a href="https://www.khronos.org/registry/cl/specs/opencl-2.1-extensions.pdf#namedest=clCreateFromD3D11Texture3DKHR" target="OpenCL Spec">OpenCL Specification</a> |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="seealso"></a> |
| <h2>Also see</h2> |
| <p> |
| <a class="citerefentry" href="cl_khr_d3d11_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_d3d11_sharing</span></span></a> |
| </p> |
| </div> |
| <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2015 The Khronos Group Inc. |
| Permission is hereby granted, free of charge, to any person obtaining a |
| copy of this software and/or associated documentation files (the |
| "Materials"), to deal in the Materials without restriction, including |
| without limitation the rights to use, copy, modify, merge, publish, |
| distribute, sublicense, and/or sell copies of the Materials, and to |
| permit persons to whom the Materials are furnished to do so, subject to |
| the condition that this copyright notice and permission notice shall be included |
| in all copies or substantial portions of the Materials. |
| </div> |
| </div> |
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| </html> |
