From 05407167cd843ddb59f71d3209d7f8751e526ae5 Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Wed, 8 Nov 2023 18:46:14 +0000
Subject: [PATCH] layer: Disable EXT_swapchain_maintenance1

Can't implement this easily with limiter and switching between X11 and Wayland
---
 layer/VkLayer_FROG_gamescope_wsi.cpp | 32 +++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/layer/VkLayer_FROG_gamescope_wsi.cpp b/layer/VkLayer_FROG_gamescope_wsi.cpp
index 169dfc2..77636cb 100644
--- a/layer/VkLayer_FROG_gamescope_wsi.cpp
+++ b/layer/VkLayer_FROG_gamescope_wsi.cpp
@@ -495,6 +495,24 @@ namespace GamescopeWSILayer {
       return VK_SUCCESS;
     }
 
+    static void GetPhysicalDeviceFeatures2(
+      const vkroots::VkInstanceDispatch* pDispatch,
+            VkPhysicalDevice             physicalDevice,
+            VkPhysicalDeviceFeatures2*   pFeatures) {
+      pDispatch->GetPhysicalDeviceFeatures2(physicalDevice, pFeatures);
+
+      auto pSwapchainMaintenance1Features = vkroots::FindInChainMutable<VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SWAPCHAIN_MAINTENANCE_1_FEATURES_EXT, VkPhysicalDeviceSwapchainMaintenance1FeaturesEXT>(pFeatures);
+      if (pSwapchainMaintenance1Features)
+        pSwapchainMaintenance1Features->swapchainMaintenance1 = VK_FALSE;
+    }
+
+    static void GetPhysicalDeviceFeatures2KHR(
+      const vkroots::VkInstanceDispatch* pDispatch,
+            VkPhysicalDevice             physicalDevice,
+            VkPhysicalDeviceFeatures2*   pFeatures) {
+      GetPhysicalDeviceFeatures2(pDispatch, physicalDevice, pFeatures);
+    }
+
     static void DestroySurfaceKHR(
       const vkroots::VkInstanceDispatch* pDispatch,
             VkInstance                   instance,
@@ -529,13 +547,25 @@ namespace GamescopeWSILayer {
         }
       }
 
-      return vkroots::helpers::append(
+      VkResult result = vkroots::helpers::append(
         pDispatch->EnumerateDeviceExtensionProperties,
         s_LayerExposedExts,
         pPropertyCount,
         pProperties,
         physicalDevice,
         pLayerName);
+
+      // Filter out extensions we don't/can't support in the layer.
+      if (pProperties) {
+        for (uint32_t i = 0; i < *pPropertyCount; i++) {
+          if (pProperties[i].extensionName == "VK_EXT_swapchain_maintenance1"sv) {
+            strcpy(pProperties[i].extensionName, "DISABLED_EXT_swapchain_maintenance1");
+            pProperties[i].specVersion = 0;
+          }
+        }
+      }
+
+      return result;
     }
 
   private: