Add implementation of SetVertexShaderConstant1Fast

src/CxbxKrnl/EmuD3D8.cpp

@@ -3647,6 +3647,24 @@ VOID __fastcall XTL::EMUPATCH(D3DDevice_SetVertexShaderConstant1)
     EMUPATCH(D3DDevice_SetVertexShaderConstant)(Register, pConstantData, 1);
 }
 
+// ******************************************************************
+// * patch: D3DDevice_SetVertexShaderConstant1Fast
+// ******************************************************************
+VOID __fastcall XTL::EMUPATCH(D3DDevice_SetVertexShaderConstant1Fast)
+(
+    INT         Register,
+    CONST PVOID pConstantData
+)
+{
+	FUNC_EXPORTS
+
+	LOG_FORWARD("D3DDevice_SetVertexShaderConstant");
+
+	// Redirect to the standard version.
+
+    EMUPATCH(D3DDevice_SetVertexShaderConstant)(Register, pConstantData, 1);
+}
+
 // ******************************************************************
 // * patch: D3DDevice_SetVertexShaderConstant4
 // ******************************************************************

src/CxbxKrnl/EmuD3D8.h

@@ -408,6 +408,15 @@ VOID __fastcall EMUPATCH(D3DDevice_SetVertexShaderConstant1)
     CONST PVOID pConstantData
 );
 
+// ******************************************************************
+// * patch: D3DDevice_SetVertexShaderConstant1Fast
+// ******************************************************************
+VOID __fastcall EMUPATCH(D3DDevice_SetVertexShaderConstant1Fast)
+(
+    INT         Register,
+    CONST PVOID pConstantData
+);
+
 // ******************************************************************
 // * patch: D3DDevice_SetVertexShaderConstant4
 // ******************************************************************