Fix in documentation chapter "Finding out if memory is mappable"

Fixes #143

docs/html/index.html

@@ -65,7 +65,7 @@ $(function() {
 <div class="title">Vulkan Memory Allocator </div>  </div>
 </div><!--header-->
 <div class="contents">
-<div class="textblock"><p><b>Version 3.0.0-development</b> (2020-03-23)</p>
+<div class="textblock"><p><b>Version 3.0.0-development</b> (2020-06-24)</p>
 <p>Copyright (c) 2017-2020 Advanced Micro Devices, Inc. All rights reserved. <br  />
 License: MIT</p>
 <p>Documentation of all members: <a class="el" href="vk__mem__alloc_8h.html">vk_mem_alloc.h</a></p>

docs/html/memory_mapping.html

@@ -143,7 +143,7 @@ Finding out if memory is mappable</h1>
 <div class="line"> </div>
 <div class="line">VkMemoryPropertyFlags memFlags;</div>
 <div class="line"><a class="code" href="vk__mem__alloc_8h.html#a8701444752eb5de4464adb5a2b514bca">vmaGetMemoryTypeProperties</a>(allocator, allocInfo.<a class="code" href="struct_vma_allocation_info.html#a7f6b0aa58c135e488e6b40a388dad9d5">memoryType</a>, &amp;memFlags);</div>
-<div class="line"><span class="keywordflow">if</span>((memFlags &amp; VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0)</div>
+<div class="line"><span class="keywordflow">if</span>((memFlags &amp; VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0)</div>
 <div class="line">{</div>
 <div class="line">    <span class="comment">// Allocation ended up in mappable memory. You can map it and access it directly.</span></div>
 <div class="line">    <span class="keywordtype">void</span>* mappedData;</div>
@@ -170,7 +170,7 @@ Finding out if memory is mappable</h1>
 <div class="line"><a class="code" href="struct_vma_allocation_info.html">VmaAllocationInfo</a> allocInfo;</div>
 <div class="line"><a class="code" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &amp;bufCreateInfo, &amp;allocCreateInfo, &amp;buf, &amp;alloc, &amp;allocInfo);</div>
 <div class="line"> </div>
-<div class="line"><span class="keywordflow">if</span>(allocInfo.<a class="code" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">pUserData</a> != <span class="keyword">nullptr</span>)</div>
+<div class="line"><span class="keywordflow">if</span>(allocInfo.<a class="code" href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">pMappedData</a> != <span class="keyword">nullptr</span>)</div>
 <div class="line">{</div>
 <div class="line">    <span class="comment">// Allocation ended up in mappable memory.</span></div>
 <div class="line">    <span class="comment">// It&#39;s persistently mapped. You can access it directly.</span></div>
@@ -192,7 +192,6 @@ Finding out if memory is mappable</h1>
 <div class="ttc" id="avk__mem__alloc_8h_html_ad5bd1243512d099706de88168992f069"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069">vmaMapMemory</a></div><div class="ttdeci">VkResult vmaMapMemory(VmaAllocator allocator, VmaAllocation allocation, void **ppData)</div><div class="ttdoc">Maps memory represented by given allocation and returns pointer to it.</div></div>
 <div class="ttc" id="astruct_vma_allocation_info_html_a5eeffbe2d2f30f53370ff14aefbadbe2"><div class="ttname"><a href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">VmaAllocationInfo::pMappedData</a></div><div class="ttdeci">void * pMappedData</div><div class="ttdoc">Pointer to the beginning of this allocation as mapped data.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3112</div></div>
 <div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2744</div></div>
-<div class="ttc" id="astruct_vma_allocation_info_html_adc507656149c04de7ed95d0042ba2a13"><div class="ttname"><a href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">VmaAllocationInfo::pUserData</a></div><div class="ttdeci">void * pUserData</div><div class="ttdoc">Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vma...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3117</div></div>
 <div class="ttc" id="avk__mem__alloc_8h_html_ac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a></div><div class="ttdeci">VkResult vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
 <div class="ttc" id="astruct_vma_allocation_info_html_a7f6b0aa58c135e488e6b40a388dad9d5"><div class="ttname"><a href="struct_vma_allocation_info.html#a7f6b0aa58c135e488e6b40a388dad9d5">VmaAllocationInfo::memoryType</a></div><div class="ttdeci">uint32_t memoryType</div><div class="ttdoc">Memory type index that this allocation was allocated from.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3078</div></div>
 <div class="ttc" id="avk__mem__alloc_8h_html_ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f">VMA_ALLOCATION_CREATE_MAPPED_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_MAPPED_BIT</div><div class="ttdoc">Set this flag to use a memory that will be persistently mapped and retrieve pointer to it.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2655</div></div>

src/vk_mem_alloc.h

@@ -513,7 +513,7 @@ VmaAllocation alloc;
 VmaAllocationInfo allocInfo;
 vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);
 
-if(allocInfo.pUserData != nullptr)
+if(allocInfo.pMappedData != nullptr)
 {
     // Allocation ended up in mappable memory.
     // It's persistently mapped. You can access it directly.