Add asm call fninit to Reset() and CreateDevice()

elishacloud · Apr 18, 2024 · f85dcc7 · f85dcc7
1 parent 7e4007e
commit f85dcc7
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Showing 3 changed files with 5 additions and 1 deletion.
diff --git a/Dllmain/BuildNo.rc b/Dllmain/BuildNo.rc
@@ -1 +1 @@
-#define BUILD_NUMBER 7001 
+#define BUILD_NUMBER 7002 
diff --git a/d3d9/IDirect3D9Ex.cpp b/d3d9/IDirect3D9Ex.cpp
@@ -184,6 +184,8 @@ HRESULT m_IDirect3D9Ex::CheckDeviceFormatConversion(THIS_ UINT Adapter, D3DDEVTY
 template <typename T>
 HRESULT m_IDirect3D9Ex::CreateDeviceT(D3DPRESENT_PARAMETERS& d3dpp, bool& MultiSampleFlag, UINT Adapter, D3DDEVTYPE DeviceType, HWND hFocusWindow, DWORD BehaviorFlags, D3DPRESENT_PARAMETERS* pPresentationParameters, D3DDISPLAYMODEEX* pFullscreenDisplayMode, T ppReturnedDeviceInterface)
 {
+	__asm { fninit }	// Reset FPU before creating device
+
 	if (!pPresentationParameters || !ppReturnedDeviceInterface)
 	{
 		return D3DERR_INVALIDCALL;

diff --git a/d3d9/IDirect3DDevice9Ex.cpp b/d3d9/IDirect3DDevice9Ex.cpp
@@ -93,6 +93,8 @@ void m_IDirect3DDevice9Ex::ClearVars(D3DPRESENT_PARAMETERS* pPresentationParamet
 template <typename T>
 HRESULT m_IDirect3DDevice9Ex::ResetT(T func, D3DPRESENT_PARAMETERS &d3dpp, D3DPRESENT_PARAMETERS* pPresentationParameters, D3DDISPLAYMODEEX* pFullscreenDisplayMode)
 {
+	__asm { fninit }	// Reset FPU before resetting
+
 	if (!pPresentationParameters)
 	{
 		return D3DERR_INVALIDCALL;