From e3050a8ec94be86800fa0363a77aa1b85b663135 Mon Sep 17 00:00:00 2001
From: Matthew <matthew@sleepy.day>
Date: Sun, 9 Mar 2025 12:20:36 +1100
Subject: [PATCH] attempt at fixing resizing issues

---
 src/render_vulkan.c | 16 ++++++++--------
 src/render_vulkan.h |  8 +++++++-
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/src/render_vulkan.c b/src/render_vulkan.c
index 0fb92c1..31460a3 100644
--- a/src/render_vulkan.c
+++ b/src/render_vulkan.c
@@ -266,11 +266,8 @@ b32 _FinishFrame()
 		};
 
 		result = vkQueuePresentKHR(renderer.vk.queues.graphics_queue, &present_info);
-		if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR || renderer.resize_requested)
-		{
-			renderer.resize_requested = false;
+		if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR || renderer.pending.resized)
 			ResizeSwapchain();
-		}
 		else if (result != VK_SUCCESS)
 		{
 			Printf("vkQueuePresentKHR failure: %s", VkResultStr(result));
@@ -285,9 +282,9 @@ b32 _FinishFrame()
 
 static void _SetRenderResolution(u32 x, u32 y)
 {
-	renderer.vk.sc.extent.width = x;
-	renderer.vk.sc.extent.height = y;
-	renderer.resize_requested = true;
+	renderer.pending.render_width = x;
+	renderer.pending.render_height = y;
+	renderer.pending.resized = true;
 }
 
 
@@ -308,10 +305,13 @@ static void ResizeSwapchain()
 
 	DestroyDrawImages();
 
+	renderer.vk.sc.extent.width = renderer.pending.render_width;
+	renderer.vk.sc.extent.height = renderer.pending.render_height;
+
 	Assert(CreateSwapchain(), "Unable to recreate swapchain");
 	Assert(CreateDrawImages(), "Unable to recreate draw images");
 
-	renderer.resize_requested = false;
+	renderer.pending.resized = false;
 }
 
 // UTIL
diff --git a/src/render_vulkan.h b/src/render_vulkan.h
index 42ab995..ed20f40 100644
--- a/src/render_vulkan.h
+++ b/src/render_vulkan.h
@@ -251,10 +251,16 @@ typedef struct {
 #endif
 } Vulkan_t;
 
+typedef struct {
+	u16 render_width;
+	u16 render_height;
+	b8 resized;
+} PendingUpdates;
+
 typedef struct {
 	Vulkan_t vk;
 	FrameState frame_state;
-	b32 resize_requested;
+	PendingUpdates pending;
 	Arena *arena;
 	Arena *perm_arena;
 } Renderer_t;