From 504e7d0c4b0597b2222c9953101f5e40943409d4 Mon Sep 17 00:00:00 2001
From: Halbear <halbear@halbear.net>
Date: Fri, 23 Jan 2026 14:52:40 +0000
Subject: [PATCH] Renderer class progress

---
 .../Terrain4J/EngineCore/Display/Render.java  | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/src/main/java/net/halbear/Terrain4J/EngineCore/Display/Render.java b/src/main/java/net/halbear/Terrain4J/EngineCore/Display/Render.java
index b9967de..209c8d3 100644
--- a/src/main/java/net/halbear/Terrain4J/EngineCore/Display/Render.java
+++ b/src/main/java/net/halbear/Terrain4J/EngineCore/Display/Render.java
@@ -8,7 +8,17 @@ import net.halbear.Terrain4J.EngineCore.Vulkan.Structure.DeviceLayers.GPUSynchro
 import net.halbear.Terrain4J.EngineCore.Vulkan.Structure.DeviceLayers.GPUSynchronisation.Semaphore;
 import net.halbear.Terrain4J.EngineCore.Vulkan.Structure.DeviceLayers.Queues.Queue;
 import net.halbear.Terrain4J.EngineCore.Vulkan.Structure.DisplayToScreen.SceneRender;
+import net.halbear.Terrain4J.EngineCore.Vulkan.Structure.DisplayToScreen.SwapChain;
 import net.halbear.Terrain4J.EngineCore.Vulkan.Util.VulkanUtils;
+import org.lwjgl.system.MemoryStack;
+import org.lwjgl.vulkan.VkCommandBufferSubmitInfo;
+import org.lwjgl.vulkan.VkSemaphoreSubmitInfo;
+
+import javax.swing.*;
+import java.util.Arrays;
+
+import static org.lwjgl.vulkan.VK13.VK_PIPELINE_STAGE_2_BOTTOM_OF_PIPE_BIT;
+import static org.lwjgl.vulkan.VK13.VK_PIPELINE_STAGE_2_COLOR_ATTACHMENT_OUTPUT_BIT;
 
 public class Render {
 
@@ -45,10 +55,66 @@ public class Render {
         }
         sceneRender = new SceneRender();
     }
+
+    private void RecordingStart(CommandPool commandPool, CommandBuffer commandBuffer){
+        commandPool.Reset(RendererContext);
+        commandBuffer.BeginRecording();
+    }
+
+    private void RecordingStop(CommandBuffer commandBuffer){
+        commandBuffer.EndRecording();
+    }
+
     public void cleanup() {
+        RendererContext.WaitIdle();
+        sceneRender.cleanup();
+        Arrays.asList(RenderCompleteSemaphores).forEach(i->i.cleanup(RendererContext));
+        Arrays.asList(PresentCompleteSemaphores).forEach(i->i.cleanup(RendererContext));
+        Arrays.asList(Fences).forEach(i->i.cleanup(RendererContext));
+        for(int i = 0; i < CommandPools.length; i++){
+            CommandBuffers[i].cleanup(RendererContext, CommandPools[i]);
+            CommandPools[i].cleanup(RendererContext);
+        }
         RendererContext.cleanup();
     }
     public void render(EngineInstance engineInstance){
+        SwapChain swapChain = RendererContext.GetSwapChain();
+        WaitForFence(CurrentFrame);
+        var CommandPool = CommandPools[CurrentFrame];
+        var CommandBuffer = CommandBuffers[CurrentFrame];
+        RecordingStart(CommandPool, CommandBuffer);
+        int ImageIndex = swapChain.FetchNextImage(RendererContext.GetDevice(), PresentCompleteSemaphores[CurrentFrame]);
+        if (ImageIndex < 0){
+            return;
+        }
+        sceneRender.render(RendererContext,CommandBuffer,ImageIndex);
+        RecordingStop(CommandBuffer);
+        Submit(CommandBuffer, CurrentFrame, ImageIndex);
+        swapChain.PresentImage(PresentQueue, RenderCompleteSemaphores[ImageIndex],ImageIndex);
+        CurrentFrame = (CurrentFrame + 1) % VulkanUtils.MAX_IN_FLIGHT;
+    }
 
+    private void WaitForFence(int currentFrame){
+        var fence = Fences[currentFrame];
+        fence.FenceWait(RendererContext);
+    }
+
+    public void Submit(CommandBuffer commandBuffer, int currentFrame, int ImageIndex){
+        try(var MemStack = MemoryStack.stackPush()){
+            var fence = Fences[currentFrame];
+            fence.Reset(RendererContext);
+            var Commands = VkCommandBufferSubmitInfo.calloc(1,MemStack)
+                    .sType$Default()
+                    .commandBuffer(commandBuffer.GetVulkanCommandBuffer());
+            VkSemaphoreSubmitInfo.Buffer SemaphoreWait = VkSemaphoreSubmitInfo.calloc(1,MemStack)
+                    .sType$Default()
+                    .stageMask(VK_PIPELINE_STAGE_2_COLOR_ATTACHMENT_OUTPUT_BIT)
+                    .semaphore(PresentCompleteSemaphores[currentFrame].GetSemaphore());
+            VkSemaphoreSubmitInfo.Buffer SemaphoreSignals = VkSemaphoreSubmitInfo.calloc(1, MemStack)
+                    .sType$Default()
+                    .stageMask(VK_PIPELINE_STAGE_2_BOTTOM_OF_PIPE_BIT)
+                    .semaphore(RenderCompleteSemaphores[currentFrame].GetSemaphore());
+            GraphicsQueue.Sumbit(Commands, SemaphoreWait, SemaphoreSignals, fence);
+        }
     }
 }