From 9e7589d8440dffbb07049fa0f51dc7ca4b26b6f1 Mon Sep 17 00:00:00 2001
From: Caleb Cornett <caleb.cornett@outlook.com>
Date: Fri, 29 Sep 2023 20:52:14 -0500
Subject: [PATCH] Stub out D3D11_Wait, fix crash when unclaiming windows, fix
 backend order

---
 src/Refresh.c               |  2 +-
 src/Refresh_Driver_D3D11.c  | 12 +++++++++---
 src/Refresh_Driver_Vulkan.c |  5 +++++
 3 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/Refresh.c b/src/Refresh.c
index b495fd2..4b2ad46 100644
--- a/src/Refresh.c
+++ b/src/Refresh.c
@@ -53,8 +53,8 @@
 
 static const Refresh_Driver *backends[] = {
 	NULL,
-	D3D11_DRIVER,
 	VULKAN_DRIVER,
+	D3D11_DRIVER,
 	PS5_DRIVER
 };
 
diff --git a/src/Refresh_Driver_D3D11.c b/src/Refresh_Driver_D3D11.c
index a6bfee1..13465b2 100644
--- a/src/Refresh_Driver_D3D11.c
+++ b/src/Refresh_Driver_D3D11.c
@@ -1273,13 +1273,19 @@ static Refresh_Texture* D3D11_AcquireSwapchainTexture(
 ) {
 	D3D11Renderer *renderer = (D3D11Renderer*) driverData;
 	D3D11CommandBuffer *cmdbuf = (D3D11CommandBuffer*) commandBuffer;
+	D3D11WindowData *windowData;
 	D3D11SwapchainData *swapchainData;
 	DXGI_SWAP_CHAIN_DESC swapchainDesc;
 	int w, h;
 	HRESULT res;
 
-	/* Fetch the window and swapchain data. */
-	swapchainData = D3D11_INTERNAL_FetchWindowData(windowHandle)->swapchainData;
+	windowData = D3D11_INTERNAL_FetchWindowData(windowHandle);
+	if (windowData == NULL)
+	{
+		return NULL;
+	}
+
+	swapchainData = windowData->swapchainData;
 	if (swapchainData == NULL)
 	{
 		return NULL;
@@ -1387,7 +1393,7 @@ static Refresh_Fence* D3D11_SubmitAndAcquireFence(
 static void D3D11_Wait(
 	Refresh_Renderer *driverData
 ) {
-	NOT_IMPLEMENTED
+	/* FIXME: Anything we need to do here? */
 }
 
 static void D3D11_WaitForFences(
diff --git a/src/Refresh_Driver_Vulkan.c b/src/Refresh_Driver_Vulkan.c
index a3864b1..e64fcee 100644
--- a/src/Refresh_Driver_Vulkan.c
+++ b/src/Refresh_Driver_Vulkan.c
@@ -9756,6 +9756,11 @@ static Refresh_Texture* VULKAN_AcquireSwapchainTexture(
 	VulkanPresentData *presentData;
 
 	windowData = VULKAN_INTERNAL_FetchWindowData(windowHandle);
+	if (windowData == NULL)
+	{
+		return NULL;
+	}
+
 	swapchainData = windowData->swapchainData;
 
 	/* Window is claimed but swapchain is invalid! */