From a8cd0e9677011c989a0aae8da5888805db83d620 Mon Sep 17 00:00:00 2001
From: 0x0ACB <11277588+0x0ACB@users.noreply.github.com>
Date: Mon, 18 Nov 2024 11:35:55 +0100
Subject: Use direct composition for d3d12 backend

---
 drivers/d3d12/rendering_context_driver_d3d12.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'drivers/d3d12/rendering_context_driver_d3d12.h')

diff --git a/drivers/d3d12/rendering_context_driver_d3d12.h b/drivers/d3d12/rendering_context_driver_d3d12.h
index a2d828ded1..3eed644481 100644
--- a/drivers/d3d12/rendering_context_driver_d3d12.h
+++ b/drivers/d3d12/rendering_context_driver_d3d12.h
@@ -59,6 +59,20 @@
 #undef AS
 #endif
 
+#if (WINVER < _WIN32_WINNT_WIN8) && defined(_MSC_VER)
+#pragma push_macro("NTDDI_VERSION")
+#pragma push_macro("WINVER")
+#undef NTDDI_VERSION
+#undef WINVER
+#define NTDDI_VERSION NTDDI_WIN8
+#define WINVER _WIN32_WINNT_WIN8
+#include <dcomp.h>
+#pragma pop_macro("WINVER")
+#pragma pop_macro("NTDDI_VERSION")
+#else
+#include <dcomp.h>
+#endif
+
 #include "d3dx12.h"
 #include <dxgi1_6.h>
 
@@ -114,10 +128,14 @@ public:
 		uint32_t height = 0;
 		DisplayServer::VSyncMode vsync_mode = DisplayServer::VSYNC_ENABLED;
 		bool needs_resize = false;
+		ComPtr<IDCompositionDevice> composition_device;
+		ComPtr<IDCompositionTarget> composition_target;
+		ComPtr<IDCompositionVisual> composition_visual;
 	};
 
 	HMODULE lib_d3d12 = nullptr;
 	HMODULE lib_dxgi = nullptr;
+	HMODULE lib_dcomp = nullptr;
 
 	IDXGIAdapter1 *create_adapter(uint32_t p_adapter_index) const;
 	ID3D12DeviceFactory *device_factory_get() const;
-- 
cgit v1.2.3