Add optional feature zeroInitializeDeviceMemory

Author: VReaperV

src/engine/renderer-vulkan/GraphicsCore/CapabilityPack.h

@@ -182,7 +182,8 @@ constexpr Array featuresExperimental {
 
 constexpr Array featuresOptional {
 	"swapchainMaintenance1",
-	"descriptorHeap"
+	"descriptorHeap",
+	"zeroInitializeDeviceMemory"
 };
 
 constexpr bool            EngineConfigSupportedMinimal( const EngineConfig& config );

src/engine/renderer-vulkan/GraphicsCore/Memory/EngineAllocator.cpp

@@ -234,6 +234,10 @@ MemoryPool EngineAllocator::AllocMemoryPool( const MemoryHeap::MemoryType type,
 		.flags = VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT
 	};
 
+	if ( zeroInitMemory ) {
+		memoryFlags.flags |= VK_MEMORY_ALLOCATE_ZERO_INITIALIZE_BIT_EXT;
+	}
+
 	VkMemoryDedicatedAllocateInfo dedicatedMemoryInfo {
 		.image  = image ? ( VkImage ) dedicatedResource : nullptr,
 		.buffer = image ? nullptr : ( VkBuffer ) dedicatedResource
@@ -465,6 +469,8 @@ void EngineAllocator::Init() {
 
 	reqs = GetBufferRequirements( VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT, 262144 );
 	memoryHeapEngineToCore = MemoryHeapForUsage( MemoryHeap::ENGINE_TO_CORE, reqs.type, memoryIDEngineToCore );
+
+	zeroInitMemory = featuresConfig.zeroInitializeDeviceMemory;
 }
 
 void EngineAllocator::Free() {

src/engine/renderer-vulkan/GraphicsCore/Memory/EngineAllocator.h

@@ -129,6 +129,8 @@ class EngineAllocator {
 
 	bool rebar;
 	bool unifiedMemory;
+
+	bool zeroInitMemory;
 };
 
 MemoryRequirements GetBufferRequirements( const VkBufferUsageFlags type, const uint64 size );