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Fixed vmaCreateBuffer, vmaCreateImage to always return null as *pBuffer, *pImage, *pAllocation of not succeeded. Fixed that in documentation as well.

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Adam Sawicki 2017-08-09 13:06:41 +02:00
parent e97e9b6637
commit 89f6e44635
4 changed files with 25 additions and 11 deletions
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docs/html/group__layer3.html
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@ -132,17 +132,18 @@ Functions</h2></td></tr>
<table class="params">
<tr><td class="paramdir">[out]</td><td class="paramname">pBuffer</td><td>Buffer that was created. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">pAllocation</td><td>Allocation that was created. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">pAllocationInfo</td><td>Optional. Information about allocated memory. It can be later fetched using function VmaGetAllocationInfo().</td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">pAllocationInfo</td><td>Optional. Information about allocated memory. It can be later fetched using function <a class="el" href="group__layer2.html#ga86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation. ">vmaGetAllocationInfo()</a>.</td></tr>
</table>
</dd>
</dl>
<p>This function automatically:</p>
<ol type="1">
<li>Creates buffer/image.</li>
<li>Creates buffer.</li>
<li>Allocates appropriate memory for it.</li>
<li>Binds the buffer/image with the memory.</li>
<li>Binds the buffer with the memory.</li>
</ol>
<p>You do not (and should not) pass returned pMemory to vmaFreeMemory. Only calling <a class="el" href="group__layer3.html#ga0d9f4e4ba5bf9aab1f1c746387753d77">vmaDestroyBuffer()</a> / <a class="el" href="group__layer3.html#gae50d2cb3b4a3bfd4dd40987234e50e7e">vmaDestroyImage()</a> is required for objects created using <a class="el" href="group__layer3.html#ga2f711e32e95cf9bf8dff4917230c2e9b">vmaCreateBuffer()</a> / <a class="el" href="group__layer3.html#ga9e34bc318ff4b25d1958e79b9db3f1aa" title="Function similar to vmaCreateBuffer(). ">vmaCreateImage()</a>. </p>
<p>If any of these operations fail, buffer and allocation are not created, returned value is negative error code, *pBuffer and *pAllocation are null.</p>
<p>If the function succeeded, you must destroy both buffer and allocation when you no longer need them using either convenience function <a class="el" href="group__layer3.html#ga0d9f4e4ba5bf9aab1f1c746387753d77">vmaDestroyBuffer()</a> or separately, using vkDestroyBuffer() and <a class="el" href="group__layer2.html#ga11f0fbc034fa81a4efedd73d61ce7568" title="Frees memory previously allocated using vmaAllocateMemory(), vmaAllocateMemoryForBuffer(), or vmaAllocateMemoryForImage(). ">vmaFreeMemory()</a>. </p>
</div>
</div>