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diff --git a/source/rice_gles/src/OGLCombinerNV.h b/source/rice_gles/src/OGLCombinerNV.h
new file mode 100644
index 0000000..b9ee16d
--- /dev/null
+++ b/source/rice_gles/src/OGLCombinerNV.h
@@ -0,0 +1,158 @@
+/*
+Copyright (C) 2003 Rice1964
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+
+#ifndef _OGL_COMBINER_NV_H_
+#define _OGL_COMBINER_NV_H_
+
+#include <vector>
+
+#include <SDL_opengl.h>
+
+#include "OGLExtCombiner.h"
+#include "OGLDecodedMux.h"
+
+typedef struct {
+    uint8 a;
+    uint8 b;
+    uint8 c;
+    uint8 d;
+} NVGeneralCombinerType;
+
+typedef struct {
+    uint8 a;
+    uint8 b;
+    uint8 c;
+    uint8 d;
+    uint8 e;
+    uint8 f;
+    uint8 g;
+} NVFinalCombinerType;
+
+typedef struct {
+    GLenum variable;
+    GLenum input;
+    GLenum mapping;
+    GLenum componentUsage;
+} NVCombinerInputType;
+
+typedef struct {
+    GLenum abOutput;
+    GLenum cdOutput;
+    GLenum sumOutput;
+    GLenum scale;
+    GLenum bias;
+    GLboolean abDotProduct;
+    GLboolean cdDotProduct;
+    GLboolean muxSum;
+} NVCombinerOutputType;
+
+
+typedef struct {
+    union {
+        struct {
+            NVGeneralCombinerType   s1rgb;
+            NVGeneralCombinerType   s1alpha;
+            NVGeneralCombinerType   s2rgb;
+            NVGeneralCombinerType   s2alpha;
+            NVFinalCombinerType     finalrgb;
+            NVFinalCombinerType     finalalpha;
+        };
+        struct {
+            NVGeneralCombinerType   generalCombiners[4];
+            NVFinalCombinerType     finalCombiners[2];
+        };
+    };
+    int     stagesUsed;
+    uint8   constant0;
+    uint8   constant1;
+} NVRegisterCombinerParserType;
+
+typedef struct {
+    NVCombinerInputType                 stage1RGB[4];
+    NVCombinerInputType                 stage1Alpha[4];
+    NVCombinerOutputType                stage1outputRGB;
+    NVCombinerOutputType                stage1outputAlpha;
+    
+    NVCombinerInputType                 stage2RGB[4];
+    NVCombinerInputType                 stage2Alpha[4];
+    NVCombinerOutputType                stage2outputRGB;
+    NVCombinerOutputType                stage2outputAlpha;
+
+    NVCombinerInputType                 finalStage[7];
+
+    int                                 numOfStages;
+
+    uint32                              dwMux0;
+    uint32                              dwMux1;
+
+    uint8                               constant0;
+    uint8                               constant1;
+#ifdef DEBUGGER
+    NVRegisterCombinerParserType        parseResult;
+#endif
+} NVRegisterCombinerSettingType;
+
+class COGLColorCombinerNvidia : public COGLColorCombiner4
+{
+public:
+    bool Initialize(void);
+    void InitCombinerBlenderForSimpleTextureDraw(uint32 tile=0);
+protected:
+    friend class OGLDeviceBuilder;
+
+    void InitCombinerCycle12(void);
+    void DisableCombiner(void);
+    void InitCombinerCycleCopy(void);
+    void InitCombinerCycleFill(void);
+    
+
+    int FindCompiledMux(void);
+    void GenerateNVRegisterCombinerSetting(int);
+    void GenerateNVRegisterCombinerSettingConstants(int);               // Compile the decodedMux into NV register combiner setting
+    void ApplyFogAtFinalStage();
+
+    void ParseDecodedMux(NVRegisterCombinerParserType &result);             // Compile the decodedMux into NV register combiner setting
+    void ParseDecodedMuxForConstant(NVRegisterCombinerParserType &result);              // Compile the decodedMux into NV register combiner setting
+    int SaveParserResult(const NVRegisterCombinerParserType &result);
+    
+    int StagesNeedToUse(COGLDecodedMux &mux, N64StageNumberType stage);
+    int Parse1Mux(COGLDecodedMux &mux, N64StageNumberType stage, NVGeneralCombinerType &res);   // Compile the decodedMux into NV register combiner setting
+    int Parse1Mux2Stages(COGLDecodedMux &mux, N64StageNumberType stage, NVGeneralCombinerType &res, NVGeneralCombinerType &res2);
+    int Parse1MuxForStage2AndFinalStage(COGLDecodedMux &mux, N64StageNumberType stage, NVGeneralCombinerType &res, NVFinalCombinerType &fres);
+    void Parse1MuxForFinalStage(COGLDecodedMux &mux, N64StageNumberType stage, NVFinalCombinerType &fres);
+    void ByPassFinalStage(NVFinalCombinerType &fres);
+    void ByPassGeneralStage(NVGeneralCombinerType &res);
+
+    GLenum ConstMap(uint8 c);
+
+    COGLColorCombinerNvidia(CRender *pRender);
+    ~COGLColorCombinerNvidia();
+
+    std::vector<NVRegisterCombinerSettingType>  m_vCompiledSettings;
+
+    bool m_bNVSupported;        // Is this NV OGL extension combiner supported by the video card driver?
+
+#ifdef DEBUGGER
+    void DisplaySimpleMuxString(void);
+    void DisplayNVCombinerString(NVRegisterCombinerSettingType &record);
+#endif
+
+};
+
+#endif
+