add cl_intel_mem_force_host_memory extension (#87)
diff --git a/extensions/clext.php b/extensions/clext.php
index 5dae7d8..aa5f025 100644
--- a/extensions/clext.php
+++ b/extensions/clext.php
@@ -127,4 +127,6 @@
</li>
<li value=64><a href="extensions/ext/cl_ext_cxx_for_opencl.html">cl_ext_cxx_for_opencl</a>
</li>
+<li value=65><a href="extensions/intel/cl_intel_mem_force_host_memory.html">cl_intel_mem_force_host_memory</a>
+</li>
</ol>
diff --git a/extensions/intel/cl_intel_mem_force_host_memory.html b/extensions/intel/cl_intel_mem_force_host_memory.html
new file mode 100644
index 0000000..8c595e0
--- /dev/null
+++ b/extensions/intel/cl_intel_mem_force_host_memory.html
@@ -0,0 +1,1003 @@
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+<body class="book">
+<div id="header">
+<h1>cl_intel_mem_force_host_memory</h1>
+<div class="details">
+<span id="revnumber">version v3.0.3-rc-36-ge9e5349,</span>
+<span id="revdate">Fri, 18 Sep 2020 16:38:59 +0000</span>
+<br><span id="revremark">from git branch: cl_intel_mem_force_host_memory commit: e9e53491c30906a1f0442274720900cd86dda4c6</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_intel_mem_force_host_memory</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>Michał Mrozek, Intel (michal 'dot' mrozek 'at' intel 'dot' com)</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>Michał Mrozek, Intel<br>
+Ben Ashbaugh, Intel<br>
+Filip Hazubski, Intel</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 (c) 2020 Intel Corporation. All rights reserved.</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>Final Draft</p>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_version"><a class="anchor" href="#_version"></a>Version</h2>
+<div class="sectionbody">
+<table class="tableblock frame-all grid-all" style="width: 40%;">
+<colgroup>
+<col style="width: 50%;">
+<col style="width: 50%;">
+</colgroup>
+<tbody>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Last Modified</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">2020-09-17</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Version</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">1.0.0</p></td>
+</tr>
+</tbody>
+</table>
+</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 3.0.1-Provisional.</p>
+</div>
+<div class="paragraph">
+<p>This extension requires OpenCL 1.2 or later.</p>
+</div>
+<div class="paragraph">
+<p>This extension interacts with the <code>cl_intel_unified_shared_memory</code> extension.</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 allows an application to override driver heuristics to force allocation of a buffer memory object in <em>host memory</em>.
+<em>Host memory</em> is described in the <code>cl_intel_unified_shared_memory</code> extension.</p>
+</div>
+<div class="paragraph">
+<p>Allocating a buffer memory object in host memory trades off wide accessibility and transfer benefits for higher per-access costs.
+Buffer memory objects in host memory may also be subject to additional usage restrictions.</p>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_new_api_functions"><a class="anchor" href="#_new_api_functions"></a>New API Functions</h2>
+<div class="sectionbody">
+<div class="paragraph">
+<p>None.</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>Flag of type <em>cl_mem_flags</em>, used when creating a buffer object to force allocation of a buffer memory object in host memory:</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlight"><code>#define CL_MEM_FORCE_HOST_MEMORY_INTEL (1 << 20)</code></pre>
+</div>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_new_api_types"><a class="anchor" href="#_new_api_types"></a>New API Types</h2>
+<div class="sectionbody">
+<div class="paragraph">
+<p>None.</p>
+</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">(Add to Table 12 - List of supported memory flag values) </dt>
+<dd>
+<div class="openblock">
+<div class="content">
+<table class="tableblock frame-all grid-all" style="width: 90%;">
+<caption class="title">Table 12.List of supported memory flag values</caption>
+<colgroup>
+<col style="width: 20%;">
+<col style="width: 80%;">
+</colgroup>
+<thead>
+<tr>
+<th class="tableblock halign-left valign-top">Memory Flags</th>
+<th class="tableblock halign-left valign-top">Description</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>CL_MEM_FORCE_HOST_MEMORY_INTEL</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This flag specifies that the memory object must be placed in <em>host memory</em>.</p>
+<p class="tableblock">Memory objects in host memory may be subject to additional usage restrictions.
+These restrictions may be queried using the <code>CL_DEVICE_HOST_MEM_CAPABILITIES_INTEL</code> query added by the <code>cl_intel_unified_shared_memory</code> extension.</p>
+<p class="tableblock">When using this flag together with <code>CL_MEM_USE_HOST_PTR</code>, the <em>host_ptr</em> and <em>size</em> parameters must be aligned to the <code>CL_DEVICE_GLOBAL_MEM_CACHELINE_SIZE</code> value.</p></td>
+</tr>
+</tbody>
+</table>
+</div>
+</div>
+</dd>
+<dt class="hdlist1">(Add to the list of error codes for <strong>clCreateBuffer</strong> and <strong>clCreateBufferWithProperties</strong>) </dt>
+<dd>
+<div class="openblock">
+<div class="content">
+<div class="ulist">
+<ul>
+<li>
+<p><code>CL_INVALID_HOST_PTR</code> if <em>flags</em> includes <code>CL_MEM_USE_HOST_PTR</code> and <code>CL_MEM_FORCE_HOST_MEMORY_INTEL</code> and <em>host_ptr</em> is not aligned to the largest <code>CL_DEVICE_GLOBAL_MEM_CACHELINE_SIZE</code> value for all devices in <em>context</em>.</p>
+</li>
+<li>
+<p><code>CL_INVALID_BUFFER_SIZE</code> if <em>flags</em> includes <code>CL_MEM_USE_HOST_PTR</code> and <code>CL_MEM_FORCE_HOST_MEMORY_INTEL</code> and <em>size</em> is not a multiple of the largest <code>CL_DEVICE_GLOBAL_MEM_CACHELINE_SIZE</code> value for all devices in <em>context</em>.</p>
+</li>
+</ul>
+</div>
+</div>
+</div>
+</dd>
+<dt class="hdlist1">(Add to the list of error codes for <strong>clCreateSubBuffer</strong>) </dt>
+<dd>
+<div class="openblock">
+<div class="content">
+<div class="ulist">
+<ul>
+<li>
+<p><code>CL_INVALID_VALUE</code> if <em>flags</em> specifies <code>CL_MEM_FORCE_HOST_MEMORY_INTEL</code>.</p>
+</li>
+</ul>
+</div>
+</div>
+</div>
+</dd>
+</dl>
+</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>This extension interacts with <code>cl_intel_unified_shared_memory</code>.</p>
+</div>
+<div class="paragraph">
+<p>Memory objects that are allocated in host memory using <code>CL_MEM_FORCE_HOST_MEMORY_INTEL</code> may be subject to additional usage restrictions.
+These restrictions may be queried using the <code>CL_DEVICE_HOST_MEM_CAPABILITIES_INTEL</code> query added by the <code>cl_intel_unified_shared_memory</code> extension.</p>
+</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="_revision_history"><a class="anchor" href="#_revision_history"></a>Revision 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">2020-09-17</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Ben Ashbaugh</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">First public revision</p></td>
+</tr>
+</tbody>
+</table>
+</div>
+</div>
+</div>
+<div id="footer">
+<div id="footer-text">
+Version v3.0.3-rc-36-ge9e5349<br>
+Last updated 2020-09-18 09:38:44 -0700
+</div>
+</div>
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.4/MathJax.js?config=TeX-MML-AM_HTMLorMML"></script>
+</body>
+</html>
\ No newline at end of file
diff --git a/extensions/registry.py b/extensions/registry.py
index 1532b53..55ebc48 100644
--- a/extensions/registry.py
+++ b/extensions/registry.py
@@ -181,6 +181,11 @@
'flags' : { 'public' },
'url' : 'extensions/intel/cl_intel_mem_channel_property.html',
},
+ 'cl_intel_mem_force_host_memory' : {
+ 'number' : 65,
+ 'flags' : { 'public' },
+ 'url' : 'extensions/intel/cl_intel_mem_force_host_memory.html',
+ },
'cl_intel_motion_estimation' : {
'number' : 23,
'flags' : { 'public' },