fix: windows supportHEADmain

1 files changed, 4 insertions, 0 deletions

diff --git a/src/platform/vulkan/vulkan_device.h b/src/platform/vulkan/vulkan_device.h
index 85cc5ca..31f5842 100644
--- a/src/platform/vulkan/vulkan_device.h
+++ b/src/platform/vulkan/vulkan_device.h
@@ -14,4 +14,8 @@ namespace Donut::RHI
     // the loader the app links against (its own dlopen fails on macOS/Homebrew)
     // and configures the MoltenVK ICD / layer paths.
     auto vulkan_prepare_glfw() -> void;
+
+    // whether a Vulkan loader exists on this machine at all. on windows vulkan-1.dll
+    // is delay-loaded, so this has to say yes before any vk* call; true elsewhere.
+    auto vulkan_runtime_available() -> bool;
 }