commit 14d9e1a93810dfc9e80f367fc669a1b0df112c97
author Adam Sawicki <Adam.Sawicki@amd.com> Mon Sep 17 17:06:42 2018 +0200
committer Adam Sawicki <Adam.Sawicki@amd.com> Mon Sep 17 17:06:42 2018 +0200
tree f11bbd9679a33034ad17a93fe63527fac8abb11f
parent 1e425dda0387df34a5b4ad7be02a2235e8ffa71d

Minor optimization: Skip call to vkUnmapMemory before vkFreeMemory for dedicated allocations, which is allowed by the spec.

src/vk_mem_alloc.h

diff --git a/src/vk_mem_alloc.h b/src/vk_mem_alloc.h
index 179e9df..e284dad 100644
--- a/src/vk_mem_alloc.h
+++ b/src/vk_mem_alloc.h
@@ -12257,10 +12257,15 @@
 

     VkDeviceMemory hMemory = allocation->GetMemory();

     

+    /*

+    There is no need to call this, because Vulkan spec allows to skip vkUnmapMemory

+    before vkFreeMemory.

+

     if(allocation->GetMappedData() != VMA_NULL)

     {

         (*m_VulkanFunctions.vkUnmapMemory)(m_hDevice, hMemory);

     }

+    */

     

     FreeVulkanMemory(memTypeIndex, allocation->GetSize(), hMemory);