added swapchain

materialsystem/vulkan/vulkan_state.h

@@ -10,10 +10,10 @@
 
 #define REQUIRED_EXTENSION(ext) bool bIsSupported_##ext;
 #define OPTIONAL_EXTENSION(ext) bool bIsSupported_##ext;
-struct SupportedVulkanExtensions_t
+extern struct SupportedVulkanExtensions_t
 {
 #include "device_extensions.h"
-};
+} g_vkAvailableExtensions;
 #undef REQUIRED_EXTENSION
 #undef OPTIONAL_EXTENSION
 
@@ -52,6 +52,6 @@ extern IVkCommandBuffer *vkcommandbuffer;
 
 #define VULKAN_RESULT_PRINT(r, func) \
 if (r != VK_SUCCESS) \
-	Plat_FatalErrorFunc(#func " failed: %s\n", string_VkResult(r));
+	Plat_FatalErrorFunc(#func " failed: %s\n", string_VkResult(r))
 
 #endif