From 14db9b4a22775c2620b1d193f83929eb63ac7b4f Mon Sep 17 00:00:00 2001
From: hayden v <haydenv06@gmail.com>
Date: Thu, 5 Mar 2020 10:39:48 +1000
Subject: [PATCH] add lwjgl debug stuff

---
 .../com/github/hydos/ginger/VulkanStarter.java   |  7 ++++---
 .../ginger/engine/vulkan/render/Swapchain.java   | 16 ++++++++++++----
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/src/main/java/com/github/hydos/ginger/VulkanStarter.java b/src/main/java/com/github/hydos/ginger/VulkanStarter.java
index edc6286..629c3ac 100644
--- a/src/main/java/com/github/hydos/ginger/VulkanStarter.java
+++ b/src/main/java/com/github/hydos/ginger/VulkanStarter.java
@@ -1,10 +1,11 @@
 package com.github.hydos.ginger;
 
 import org.lwjgl.glfw.GLFW;
+import org.lwjgl.system.Configuration;
 
 import com.github.hydos.ginger.engine.common.info.RenderAPI;
 import com.github.hydos.ginger.engine.common.io.Window;
-import com.github.hydos.ginger.engine.vulkan.api.*;
+import com.github.hydos.ginger.engine.vulkan.api.GingerVK;
 
 /** @author hydos06
  *         the non ARR vulkan test example */
@@ -33,7 +34,7 @@ public class VulkanStarter
         }
 
         private void mainLoop() {
-
+        	
             while(!Window.closed()) {
                 if(Window.shouldRender()) {
                 	Window.update();
@@ -52,7 +53,7 @@ public class VulkanStarter
     }
 
     public static void main(String[] args) {
-
+    	Configuration.DEBUG.set(true);
         BasicGinger2VulkanExample app = new BasicGinger2VulkanExample();
 
         app.run();
diff --git a/src/main/java/com/github/hydos/ginger/engine/vulkan/render/Swapchain.java b/src/main/java/com/github/hydos/ginger/engine/vulkan/render/Swapchain.java
index 6c7d4a3..ff50ad1 100644
--- a/src/main/java/com/github/hydos/ginger/engine/vulkan/render/Swapchain.java
+++ b/src/main/java/com/github/hydos/ginger/engine/vulkan/render/Swapchain.java
@@ -4,6 +4,7 @@ import java.nio.*;
 import java.util.*;
 
 import org.lwjgl.system.MemoryStack;
+import org.lwjgl.system.MemoryUtil;
 import org.lwjgl.vulkan.*;
 
 import com.github.hydos.ginger.engine.common.io.Window;
@@ -109,7 +110,7 @@ public class Swapchain
                 imageCount.put(0, swapChainSupport.capabilities.maxImageCount());
             }
 
-            VkSwapchainCreateInfoKHR createInfo = VkSwapchainCreateInfoKHR.callocStack(stack)
+            VkSwapchainCreateInfoKHR createInfo = VkSwapchainCreateInfoKHR.calloc()
             	.sType(KHRSwapchain.VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR)
             	.minImageCount(imageCount.get(0))
             	.imageFormat(surfaceFormat.format())
@@ -132,11 +133,18 @@ public class Swapchain
             createInfo.presentMode(presentMode);
             createInfo.clipped(true);
 
-            createInfo.oldSwapchain(VK12.VK_NULL_HANDLE);
+            createInfo.oldSwapchain(1);
 
-            LongBuffer pSwapChain = stack.longs(VK12.VK_NULL_HANDLE);
+            LongBuffer pSwapChain = MemoryUtil.memAllocLong(1);
 
-            int result = KHRSwapchain.vkCreateSwapchainKHR(VKConstants.device, createInfo, null, pSwapChain);
+            int result = KHRSwapchain.
+            	vkCreateSwapchainKHR
+            	(
+            		VKConstants.device, 
+            		createInfo, 
+            		null, 
+            		pSwapChain
+            	);
             if(result != VK12.VK_SUCCESS) {
                 throw new RuntimeException("Failed to create swap chain reason: " + VKUtils.translateVulkanResult(result));
             }