Buffer copy

src/Vulkan/VkBuffer.cpp

@@ -55,4 +55,23 @@ void Buffer::bind(VkDeviceMemory pDeviceMemory, VkDeviceSize pMemoryOffset)
 	memory = Cast(pDeviceMemory)->getOffsetPointer(pMemoryOffset);
 }
 
+void Buffer::copyFrom(const void* srcMemory, VkDeviceSize pSize, VkDeviceSize pOffset)
+{
+	ASSERT((pSize + pOffset) <= size);
+
+	memcpy(map(pOffset), srcMemory, pSize);
+}
+
+void Buffer::copyTo(void* dstMemory, VkDeviceSize pSize, VkDeviceSize pOffset) const
+{
+	ASSERT((pSize + pOffset) <= size);
+
+	memcpy(dstMemory, map(pOffset), pSize);
+}
+
+void* Buffer::map(VkDeviceSize offset) const
+{
+	return reinterpret_cast<char*>(memory) + offset;
+}
+
 } // namespace vk

src/Vulkan/VkBuffer.hpp

@@ -31,6 +31,9 @@ public:
 
 	const VkMemoryRequirements getMemoryRequirements() const;
 	void bind(VkDeviceMemory pDeviceMemory, VkDeviceSize pMemoryOffset);
+	void copyFrom(const void* srcMemory, VkDeviceSize size, VkDeviceSize offset);
+	void copyTo(void* dstMemory, VkDeviceSize size, VkDeviceSize offset) const;
+	void* map(VkDeviceSize offset) const;
 
 private:
 	void*                 memory = nullptr;