Thunks/vulkan: Disable support for debug extensions as they require callback support

ThunkLibs/libvulkan/Host.cpp

@@ -12,6 +12,7 @@ $end_info$
 
 #include "common/Host.h"
 
+#include <algorithm>
 #include <cstring>
 #include <mutex>
 #include <unordered_map>
@@ -73,6 +74,18 @@ static void FEXFN_IMPL(vkFreeMemory)(VkDevice a_0, VkDeviceMemory a_1, const VkA
   LDR_PTR(vkFreeMemory)(a_0, a_1, nullptr);
 }
 
+static VkResult FEXFN_IMPL(vkEnumerateInstanceExtensionProperties)(const char* a_0, uint32_t* a_1, VkExtensionProperties* a_2) {
+  auto ret = LDR_PTR(vkEnumerateInstanceExtensionProperties)(a_0, a_1, a_2);
+  if (a_2) {
+    const auto end = a_2 + *a_1;
+    auto it = std::remove_if(a_2, end, [](const VkExtensionProperties& prop) { return strcmp(prop.extensionName, "VK_EXT_debug_report") == 0 || strcmp(prop.extensionName, "VK_EXT_debug_utils") == 0; });
+    // Replace by dummy entry and reduce extension count
+    std::fill(it, end, VkExtensionProperties {});
+    *a_1 -= (end - it);
+  }
+  return ret;
+}
+
 static PFN_vkVoidFunction FEXFN_IMPL(vkGetDeviceProcAddr)(VkDevice a_0, const char* a_1) {
   // Just return the host facing function pointer
   // The guest will handle mapping if this exists

ThunkLibs/libvulkan/libvulkan_interface.cpp

@@ -11,6 +11,7 @@ struct fex_gen_config;
 
 template<> struct fex_gen_config<vkGetDeviceProcAddr> : fexgen::custom_host_impl, fexgen::custom_guest_entrypoint, fexgen::returns_guest_pointer {};
 template<> struct fex_gen_config<vkGetInstanceProcAddr> : fexgen::custom_host_impl, fexgen::custom_guest_entrypoint, fexgen::returns_guest_pointer {};
+template<> struct fex_gen_config<vkEnumerateInstanceExtensionProperties> : fexgen::custom_host_impl {};
 
 namespace internal {
 
@@ -255,7 +256,6 @@ template<> struct fex_gen_config<vkDisplayPowerControlEXT> {};
 template<> struct fex_gen_config<vkEndCommandBuffer> {};
 template<> struct fex_gen_config<vkEnumerateDeviceExtensionProperties> {};
 template<> struct fex_gen_config<vkEnumerateDeviceLayerProperties> {};
-template<> struct fex_gen_config<vkEnumerateInstanceExtensionProperties> {};
 template<> struct fex_gen_config<vkEnumerateInstanceLayerProperties> {};
 template<> struct fex_gen_config<vkEnumerateInstanceVersion> {};
 template<> struct fex_gen_config<vkEnumeratePhysicalDeviceGroups> {};