Add code to allow for depth buffer query (Fixes #18)

openVulkanoCpp/Vulkan/Renderer.cpp

@@ -18,6 +18,11 @@
 
 namespace OpenVulkano::Vulkan
 {
+	Renderer::Renderer()
+		: depthBufferQuery(*this)
+	{
+	}
+
 	void Renderer::Init(IGraphicsAppManager* graphicsAppManager, IWindow* window)
 	{
 		logger = Logger::RENDER;
@@ -62,6 +67,8 @@ namespace OpenVulkano::Vulkan
 			}
 		}
 
+		depthBufferQuery.Init();
+
 		logger->info("Vulkan renderer initialized");
 	}
 
@@ -87,6 +94,7 @@ namespace OpenVulkano::Vulkan
 			closeables.pop_back();
 			closeable->Close();
 		}
+		depthBufferQuery.Close();
 		uiRenderer.Close();
 		resourceManager.Close();
 		commands.clear();
@@ -138,6 +146,7 @@ namespace OpenVulkano::Vulkan
 		CommandHelper* cmdHelper = GetCommandData(commands.size() - 1);
 		cmdHelper->cmdBuffer.executeCommands(submitBuffers[currentImageId].size(), submitBuffers[currentImageId].data());
 		context.swapChainRenderPass.End(cmdHelper->cmdBuffer);
+		depthBufferQuery.Encode(cmdHelper->cmdBuffer);
 		uiRenderer.DrawUiFrame(cmdHelper->cmdBuffer);
 		cmdHelper->cmdBuffer.end();
 		std::array<vk::PipelineStageFlags, 2> stateFlags = { vk::PipelineStageFlags(vk::PipelineStageFlagBits::eColorAttachmentOutput), vk::PipelineStageFlags(vk::PipelineStageFlagBits::eColorAttachmentOutput) };