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diff --git a/src/renderercommon/tr_public.h b/src/renderercommon/tr_public.h
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+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2009 Darklegion Development
+
+This file is part of Tremulous.
+
+Tremulous 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.
+
+Tremulous 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 Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+#ifndef __TR_PUBLIC_H
+#define __TR_PUBLIC_H
+
+#include "tr_types.h"
+
+#define	REF_API_VERSION		8
+
+//
+// these are the functions exported by the refresh module
+//
+typedef struct {
+	// called before the library is unloaded
+	// if the system is just reconfiguring, pass destroyWindow = qfalse,
+	// which will keep the screen from flashing to the desktop.
+	void	(*Shutdown)( qboolean destroyWindow );
+
+	// All data that will be used in a level should be
+	// registered before rendering any frames to prevent disk hits,
+	// but they can still be registered at a later time
+	// if necessary.
+	//
+	// BeginRegistration makes any existing media pointers invalid
+	// and returns the current gl configuration, including screen width
+	// and height, which can be used by the client to intelligently
+	// size display elements
+	void	(*BeginRegistration)( glconfig_t *config );
+	qhandle_t (*RegisterModel)( const char *name );
+	qhandle_t (*RegisterSkin)( const char *name );
+	qhandle_t (*RegisterShader)( const char *name );
+	qhandle_t (*RegisterShaderNoMip)( const char *name );
+	void	(*LoadWorld)( const char *name );
+
+	// the vis data is a large enough block of data that we go to the trouble
+	// of sharing it with the clipmodel subsystem
+	void	(*SetWorldVisData)( const byte *vis );
+
+	// EndRegistration will draw a tiny polygon with each texture, forcing
+	// them to be loaded into card memory
+	void	(*EndRegistration)( void );
+
+	// a scene is built up by calls to R_ClearScene and the various R_Add functions.
+	// Nothing is drawn until R_RenderScene is called.
+	void	(*ClearScene)( void );
+	void	(*AddRefEntityToScene)( const refEntity_t *re );
+	void	(*AddPolyToScene)( qhandle_t hShader , int numVerts, const polyVert_t *verts, int num );
+	int		(*LightForPoint)( vec3_t point, vec3_t ambientLight, vec3_t directedLight, vec3_t lightDir );
+	void	(*AddLightToScene)( const vec3_t org, float intensity, float r, float g, float b );
+	void	(*AddAdditiveLightToScene)( const vec3_t org, float intensity, float r, float g, float b );
+	void	(*RenderScene)( const refdef_t *fd );
+
+	void	(*SetColor)( const float *rgba );	// NULL = 1,1,1,1
+	void	(*SetClipRegion)( const float *region );
+	void	(*DrawStretchPic) ( float x, float y, float w, float h, 
+		float s1, float t1, float s2, float t2, qhandle_t hShader );	// 0 = white
+
+	// Draw images for cinematic rendering, pass as 32 bit rgba
+	void	(*DrawStretchRaw) (int x, int y, int w, int h, int cols, int rows, const byte *data, int client, qboolean dirty);
+	void	(*UploadCinematic) (int w, int h, int cols, int rows, const byte *data, int client, qboolean dirty);
+
+	void	(*BeginFrame)( stereoFrame_t stereoFrame );
+
+	// if the pointers are not NULL, timing info will be returned
+	void	(*EndFrame)( int *frontEndMsec, int *backEndMsec );
+
+
+	int		(*MarkFragments)( int numPoints, const vec3_t *points, const vec3_t projection,
+				   int maxPoints, vec3_t pointBuffer, int maxFragments, markFragment_t *fragmentBuffer );
+
+	int		(*LerpTag)( orientation_t *tag,  qhandle_t model, int startFrame, int endFrame, 
+					 float frac, const char *tagName );
+	void	(*ModelBounds)( qhandle_t model, vec3_t mins, vec3_t maxs );
+
+#ifdef __USEA3D
+	void    (*A3D_RenderGeometry) (void *pVoidA3D, void *pVoidGeom, void *pVoidMat, void *pVoidGeomStatus);
+#endif
+	void	(*RegisterFont)(const char *fontName, int pointSize, fontInfo_t *font);
+	void	(*RemapShader)(const char *oldShader, const char *newShader, const char *offsetTime);
+	qboolean (*GetEntityToken)( char *buffer, int size );
+	qboolean (*inPVS)( const vec3_t p1, const vec3_t p2 );
+
+	void (*TakeVideoFrame)( int h, int w, byte* captureBuffer, byte *encodeBuffer, qboolean motionJpeg );
+} refexport_t;
+
+//
+// these are the functions imported by the refresh module
+//
+typedef struct {
+	// print message on the local console
+	void	(QDECL *Printf)( int printLevel, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
+
+	// abort the game
+	void	(QDECL *Error)( int errorLevel, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
+
+	// milliseconds should only be used for profiling, never
+	// for anything game related.  Get time from the refdef
+	int		(*Milliseconds)( void );
+
+	// stack based memory allocation for per-level things that
+	// won't be freed
+#ifdef HUNK_DEBUG
+	void	*(*Hunk_AllocDebug)( int size, ha_pref pref, char *label, char *file, int line );
+#else
+	void	*(*Hunk_Alloc)( int size, ha_pref pref );
+#endif
+	void	*(*Hunk_AllocateTempMemory)( int size );
+	void	(*Hunk_FreeTempMemory)( void *block );
+
+	// dynamic memory allocator for things that need to be freed
+	void	*(*Malloc)( int bytes );
+	void	(*Free)( void *buf );
+
+	cvar_t	*(*Cvar_Get)( const char *name, const char *value, int flags );
+	void	(*Cvar_Set)( const char *name, const char *value );
+	void	(*Cvar_SetValue) (const char *name, float value);
+	void	(*Cvar_CheckRange)( cvar_t *cv, float minVal, float maxVal, qboolean shouldBeIntegral );
+
+	int		(*Cvar_VariableIntegerValue) (const char *var_name);
+
+	void	(*Cmd_AddCommand)( const char *name, void(*cmd)(void) );
+	void	(*Cmd_RemoveCommand)( const char *name );
+
+	int		(*Cmd_Argc) (void);
+	char	*(*Cmd_Argv) (int i);
+
+	void	(*Cmd_ExecuteText) (int exec_when, const char *text);
+
+	byte	*(*CM_ClusterPVS)(int cluster);
+
+	// visualization for debugging collision detection
+	void	(*CM_DrawDebugSurface)( void (*drawPoly)(int color, int numPoints, float *points) );
+
+	// a -1 return means the file does not exist
+	// NULL can be passed for buf to just determine existance
+	int		(*FS_FileIsInPAK)( const char *name, int *pCheckSum );
+	long		(*FS_ReadFile)( const char *name, void **buf );
+	void	(*FS_FreeFile)( void *buf );
+	char **	(*FS_ListFiles)( const char *name, const char *extension, int *numfilesfound );
+	void	(*FS_FreeFileList)( char **filelist );
+	void	(*FS_WriteFile)( const char *qpath, const void *buffer, int size );
+	qboolean (*FS_FileExists)( const char *file );
+
+	// cinematic stuff
+	void	(*CIN_UploadCinematic)(int handle);
+	int		(*CIN_PlayCinematic)( const char *arg0, int xpos, int ypos, int width, int height, int bits);
+	e_status (*CIN_RunCinematic) (int handle);
+
+	void	(*CL_WriteAVIVideoFrame)( const byte *buffer, int size );
+
+	// input event handling
+	void	(*IN_Init)( void );
+	void	(*IN_Shutdown)( void );
+	void	(*IN_Restart)( void );
+
+	// math
+	long    (*ftol)(float f);
+
+	// system stuff
+	void	(*Sys_SetEnv)( const char *name, const char *value );
+	void	(*Sys_GLimpSafeInit)( void );
+	void	(*Sys_GLimpInit)( void );
+	qboolean (*Sys_LowPhysicalMemory)( void );
+} refimport_t;
+
+
+// this is the only function actually exported at the linker level
+// If the module can't init to a valid rendering state, NULL will be
+// returned.
+#ifdef USE_RENDERER_DLOPEN
+typedef	refexport_t* (QDECL *GetRefAPI_t) (int apiVersion, refimport_t * rimp);
+#else
+refexport_t*GetRefAPI( int apiVersion, refimport_t *rimp );
+#endif
+
+#endif	// __TR_PUBLIC_H