engine: change RenderAPI's RenderGetParm return type to intptr_t to insure compatibility with 64-bit

common/render_api.h

@@ -161,7 +161,7 @@ struct ref_viewpass_s;
 typedef struct render_api_s
 {
 	// Get renderer info (doesn't changes engine state at all)
-	int		(*RenderGetParm)( int parm, int arg );	// generic
+	intptr_t	(*RenderGetParm)( int parm, int arg );	// generic
 	void		(*GetDetailScaleForTexture)( int texture, float *xScale, float *yScale );
 	void		(*GetExtraParmsForTexture)( int texture, byte *red, byte *green, byte *blue, byte *alpha );
 	lightstyle_t*	(*GetLightStyle)( int number );

engine/client/cl_render.c

@@ -133,7 +133,7 @@ const char *CL_GenericHandle( int fileindex )
 	return cl.files_precache[fileindex];
 }
 
-int CL_RenderGetParm( const int parm, const int arg, const qboolean checkRef )
+intptr_t CL_RenderGetParm( const int parm, const int arg, const qboolean checkRef )
 {
 	switch( parm )
 	{
@@ -161,9 +161,9 @@ int CL_RenderGetParm( const int parm, const int arg, const qboolean checkRef )
 	case PARM_WATER_ALPHA:
 		return FBitSet( world.flags, FWORLD_WATERALPHA );
 	case PARM_DELUXEDATA:
-		return *(int *)&world.deluxedata;
+		return (intptr_t)world.deluxedata;
 	case PARM_SHADOWDATA:
-		return *(int *)&world.shadowdata;
+		return (intptr_t)world.shadowdata;
 	default:
 		// indicates call from client.dll
 		if( checkRef )
@@ -204,7 +204,7 @@ int CL_RenderGetParm( const int parm, const int arg, const qboolean checkRef )
 	return 0;
 }
 
-static int pfnRenderGetParm( int parm, int arg )
+static intptr_t pfnRenderGetParm( int parm, int arg )
 {
 	return CL_RenderGetParm( parm, arg, true );
 }

engine/client/client.h

@@ -964,7 +964,7 @@ void CL_ClearAllRemaps( void );
 // cl_render.c
 //
 qboolean R_InitRenderAPI( void );
-int CL_RenderGetParm( const int parm, const int arg, const qboolean checkRef );
+intptr_t CL_RenderGetParm( const int parm, const int arg, const qboolean checkRef );
 lightstyle_t *CL_GetLightStyle( int number );
 int R_FatPVS( const vec3_t org, float radius, byte *visbuffer, qboolean merge, qboolean fullvis );
 const ref_overview_t *GL_GetOverviewParms( void );

engine/client/ref_common.c

@@ -60,7 +60,7 @@ void GL_RenderFrame( const ref_viewpass_t *rvp )
 	ref.dllFuncs.GL_RenderFrame( rvp );
 }
 
-static int pfnEngineGetParm( int parm, int arg )
+static intptr_t pfnEngineGetParm( int parm, int arg )
 {
 	return CL_RenderGetParm( parm, arg, false ); // prevent recursion
 }

engine/ref_api.h

@@ -256,7 +256,7 @@ typedef enum
 
 typedef struct ref_api_s
 {
-	int	(*EngineGetParm)( int parm, int arg );	// generic
+	intptr_t (*EngineGetParm)( int parm, int arg );	// generic
 
 	// cvar handlers
 	cvar_t   *(*Cvar_Get)( const char *szName, const char *szValue, int flags, const char *description );