From 96234613be56b0a8bfbe94d93af6124f3c94edbd Mon Sep 17 00:00:00 2001
From: Bam4d <chrisbam4d@gmail.com>
Date: Sat, 30 Dec 2023 12:36:44 +0000
Subject: [PATCH] only enable the portability subset if its available

---
 .../Core/Observers/Vulkan/VulkanDevice.cpp    | 24 +++++++++++++++----
 .../Core/Observers/Vulkan/VulkanDevice.hpp    |  1 +
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/src/Griddly/Core/Observers/Vulkan/VulkanDevice.cpp b/src/Griddly/Core/Observers/Vulkan/VulkanDevice.cpp
index c11a7f630..39e6c4044 100644
--- a/src/Griddly/Core/Observers/Vulkan/VulkanDevice.cpp
+++ b/src/Griddly/Core/Observers/Vulkan/VulkanDevice.cpp
@@ -124,14 +124,28 @@ void VulkanDevice::initDevice(bool useGPU) {
     auto graphicsQueueFamilyIndex = physicalDeviceInfo->queueFamilyIndices.graphicsIndices;
     auto computeQueueFamilyIndex = physicalDeviceInfo->queueFamilyIndices.computeIndices;
 
-    const char* ppEnabledExtensionNames[] = {
-      "VK_KHR_portability_subset"
-    };
+    // Get the device extensions
+    uint32_t deviceExtensionCount;
+    vkEnumerateDeviceExtensionProperties(physicalDeviceInfo->physicalDevice, nullptr, &deviceExtensionCount, nullptr);
+    std::vector<VkExtensionProperties> deviceExtensions(deviceExtensionCount);
+    vkEnumerateDeviceExtensionProperties(physicalDeviceInfo->physicalDevice, nullptr, &deviceExtensionCount, deviceExtensions.data());
+
+    std::vector<const char*> deviceExtensionNames;
+    for (auto& extension : deviceExtensions) {
+      deviceExtensionNames.push_back(extension.extensionName);
+    }
+
+    //if portable subset is available, enable it
+    std::vector<const char*> enabledExtensions;
+    if (std::find(deviceExtensionNames.begin(), deviceExtensionNames.end(), VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME) != deviceExtensionNames.end()) {
+      enabledExtensions.push_back(VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME);
+    }
+
 
     auto deviceQueueCreateInfo = vk::initializers::deviceQueueCreateInfo(graphicsQueueFamilyIndex, 1.0f);
     auto deviceCreateInfo = vk::initializers::deviceCreateInfo(deviceQueueCreateInfo);
-    deviceCreateInfo.enabledExtensionCount = 1;
-    deviceCreateInfo.ppEnabledExtensionNames = ppEnabledExtensionNames;
+    deviceCreateInfo.enabledExtensionCount = enabledExtensions.size();
+    deviceCreateInfo.ppEnabledExtensionNames = enabledExtensions.data();
 
     physicalDevice_ = physicalDeviceInfo->physicalDevice;
     spdlog::debug("Creating physical device.");
diff --git a/src/Griddly/Core/Observers/Vulkan/VulkanDevice.hpp b/src/Griddly/Core/Observers/Vulkan/VulkanDevice.hpp
index a5c85dc06..2bd769a86 100644
--- a/src/Griddly/Core/Observers/Vulkan/VulkanDevice.hpp
+++ b/src/Griddly/Core/Observers/Vulkan/VulkanDevice.hpp
@@ -1,6 +1,7 @@
 #pragma once
 #include <spdlog/spdlog.h>
 
+#define VK_ENABLE_BETA_EXTENSIONS
 #include <volk.h>
 
 #include <cassert>