From f91a0391087e23d62d85cbf9cad64e47fb39e115 Mon Sep 17 00:00:00 2001
From: Martin <mautner@vrvis.at>
Date: Tue, 12 Dec 2023 11:16:37 +0100
Subject: [PATCH] [Vulkan] Fix swapchain creation

The maxImageCount of VkSurfaceCapabilitiesKHR
can be zero if there is no upper limit. In this
case clamp between min and max would result
in zero.
---
 .../Swapchain/SwapchainDescription.fs                          | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Aardvark.Rendering.Vulkan/Swapchain/SwapchainDescription.fs b/src/Aardvark.Rendering.Vulkan/Swapchain/SwapchainDescription.fs
index c9cdd7761..5d2216ea7 100644
--- a/src/Aardvark.Rendering.Vulkan/Swapchain/SwapchainDescription.fs
+++ b/src/Aardvark.Rendering.Vulkan/Swapchain/SwapchainDescription.fs
@@ -135,7 +135,8 @@ type GraphicsMode(format : Col.Format, bits : int, depthBits : int, stencilBits
         modes |> Seq.maxBy presentModeScore
 
     override x.ChooseBufferCount(min, max) =
-        clamp min max buffers
+        if max = 0 then Fun.Max(min, buffers)
+        else clamp min max buffers
 
 type SwapchainDescription =
     {