diff --git a/base/vulkantools.cpp b/base/vulkantools.cpp
index 8d06d12d..dce1d388 100644
--- a/base/vulkantools.cpp
+++ b/base/vulkantools.cpp
@@ -416,6 +416,13 @@ VkMemoryAllocateInfo vkTools::initializers::memoryAllocateInfo()
 	return memAllocInfo;
 }
 
+VkMappedMemoryRange vkTools::initializers::mappedMemoryRange()
+{
+	VkMappedMemoryRange mappedMemoryRange = {};
+	mappedMemoryRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
+	return mappedMemoryRange;
+}
+
 VkCommandBufferAllocateInfo vkTools::initializers::commandBufferAllocateInfo(VkCommandPool commandPool, VkCommandBufferLevel level, uint32_t bufferCount)
 {
 	VkCommandBufferAllocateInfo commandBufferAllocateInfo = {};
diff --git a/base/vulkantools.h b/base/vulkantools.h
index a07f3796..1fde5087 100644
--- a/base/vulkantools.h
+++ b/base/vulkantools.h
@@ -126,6 +126,8 @@ namespace vkTools
 	{
 		VkMemoryAllocateInfo memoryAllocateInfo();
 
+		VkMappedMemoryRange mappedMemoryRange();
+
 		VkCommandBufferAllocateInfo commandBufferAllocateInfo(
 			VkCommandPool commandPool,
 			VkCommandBufferLevel level,