From 002761d7f84d04a2712b95afea7bca9c42dc8243 Mon Sep 17 00:00:00 2001
From: David Allemang <david.allemang@kitware.com>
Date: Tue, 2 Apr 2024 11:24:29 -0400
Subject: [PATCH] fix validation bugs. only remaining is screen tearing during
 resize

---
 src/main.zig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main.zig b/src/main.zig
index 8f473f5..d0a5422 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -76,6 +76,7 @@ pub fn create_swapchain(
 ) !vk.Extent2D {
     const extent = try gfx.find_swap_extent(pdev, vki, surface, window);
 
+    const prev_swapchain = swapchain.*;
     swapchain.* = try vkd.createSwapchainKHR(dev, &.{
         .surface = surface,
         .min_image_count = swap_image_count,
@@ -89,8 +90,9 @@ pub fn create_swapchain(
         .composite_alpha = .{ .opaque_bit_khr = true },
         .present_mode = present_mode,
         .clipped = vk.TRUE,
-        .old_swapchain = swapchain.*,
+        .old_swapchain = prev_swapchain,
     }, null);
+    vkd.destroySwapchainKHR(dev, prev_swapchain, null);
 
     var image_count: u32 = undefined;
     _ = try vkd.getSwapchainImagesKHR(dev, swapchain.*, &image_count, null);
@@ -351,6 +353,8 @@ pub fn main() !void {
                     try record_cmdbuf(cmdbuf, vkd, image, view, extent, pipeline, vertex_buffer, index_buffer);
                 }
 
+                index = 0;
+
                 continue;
             },
             else => |errx| return errx,