maybe this was the issue

src/video_core/vulkan_common/vulkan_device.cpp

@@ -503,8 +503,8 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
 
     if (is_qualcomm) {
         LOG_WARNING(Render_Vulkan,
-                    "Qualcomm drivers have a slow VK_KHR_push_descriptor implementation");
-        //RemoveExtension(extensions.push_descriptor, VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME);
+                    "Qualcomm drivers have a slow VK_KHR_push_descriptor implementation; disabling");
+        RemoveExtension(extensions.push_descriptor, VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME);
 
 #if defined(ANDROID) && defined(ARCHITECTURE_arm64)
         // Patch the driver to enable BCn textures.