From 91a5123ad0b254a863885fbee35b85151462d3ee Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Sat, 20 Aug 2022 23:11:36 +0000
Subject: [PATCH] [native] Add SDL2 native headers

Not included by DXVK at all, but used by external applications.
---
 include/native/wsi/native_sdl2.h | 25 +++++++++++++++++++++++++
 include/native/wsi/native_wsi.h  |  9 +++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 include/native/wsi/native_sdl2.h
 create mode 100644 include/native/wsi/native_wsi.h

diff --git a/include/native/wsi/native_sdl2.h b/include/native/wsi/native_sdl2.h
new file mode 100644
index 000000000..b197d9527
--- /dev/null
+++ b/include/native/wsi/native_sdl2.h
@@ -0,0 +1,25 @@
+#include <windows.h>
+
+#include <SDL2/SDL.h>
+
+namespace dxvk::wsi {
+
+  inline SDL_Window* fromHwnd(HWND hWindow) {
+    return reinterpret_cast<SDL_Window*>(hWindow);
+  }
+
+  inline HWND toHwnd(SDL_Window* pWindow) {
+    return reinterpret_cast<HWND>(pWindow);
+  }
+
+  // Offset so null HMONITORs go to -1
+  inline int32_t fromHmonitor(HMONITOR hMonitor) {
+    return static_cast<int32_t>(reinterpret_cast<intptr_t>(hMonitor)) - 1;
+  }
+
+  // Offset so -1 display id goes to 0 == NULL
+  inline HMONITOR toHmonitor(int32_t displayId) {
+    return reinterpret_cast<HMONITOR>(static_cast<intptr_t>(displayId + 1));
+  }
+
+}
\ No newline at end of file
diff --git a/include/native/wsi/native_wsi.h b/include/native/wsi/native_wsi.h
new file mode 100644
index 000000000..00a299060
--- /dev/null
+++ b/include/native/wsi/native_wsi.h
@@ -0,0 +1,9 @@
+#pragma once
+
+#ifdef DXVK_WSI_WIN32
+#error You shouldnt be using this code path.
+#elif DXVK_WSI_SDL2
+#include "wsi/native_sdl2.h"
+#else
+#error Unknown wsi!
+#endif
\ No newline at end of file