From 75a939a7ddd5078e98688e98d3611415823951e5 Mon Sep 17 00:00:00 2001
From: jarupxx <jarup@gmx.com>
Date: Sun, 19 Nov 2017 16:14:33 +0900
Subject: [PATCH] Add implementation of SetVertexShaderConstant1Fast

---
 src/CxbxKrnl/EmuD3D8.cpp | 18 ++++++++++++++++++
 src/CxbxKrnl/EmuD3D8.h   |  9 +++++++++
 2 files changed, 27 insertions(+)

diff --git a/src/CxbxKrnl/EmuD3D8.cpp b/src/CxbxKrnl/EmuD3D8.cpp
index 561bf2155..777d43458 100644
--- a/src/CxbxKrnl/EmuD3D8.cpp
+++ b/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
 // ******************************************************************
diff --git a/src/CxbxKrnl/EmuD3D8.h b/src/CxbxKrnl/EmuD3D8.h
index 6316df516..3ed9017c8 100644
--- a/src/CxbxKrnl/EmuD3D8.h
+++ b/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
 // ******************************************************************