ref_soft: Flush caches and clear textures on newmap correctly

r_context.c

@@ -283,8 +283,8 @@ void Mod_BrushUnloadTextures( model_t *mod )
 		if( !tx || tx->gl_texturenum == tr.defaultTexture )
 			continue;	// free slot
 
-		//GL_FreeTexture( tx->gl_texturenum );	// main texture
-		//GL_FreeTexture( tx->fb_texturenum );	// luma texture
+		GL_FreeTexture( tx->gl_texturenum );	// main texture
+		GL_FreeTexture( tx->fb_texturenum );	// luma texture
 	}
 }
 

r_local.h

@@ -1269,7 +1269,7 @@ void R_ScanEdges (void);
 //
 // r_surf.c
 //
-void D_FlushCaches (void);
+void D_FlushCaches( qboolean newmap );
 
 //
 // r_draw.c

r_main.c

@@ -1767,6 +1767,8 @@ void R_NewMap (void)
 {
 		r_viewcluster = -1;
 
+		D_FlushCaches( true );
+
 		r_cnumsurfs = sw_maxsurfs->value;
 
 		if (r_cnumsurfs <= MINSURFACES)

r_misc.c

@@ -324,7 +324,7 @@ void R_SetupFrameQ (void)
 	if (r_fullbright->flags & FCVAR_CHANGED)
 	{
 		r_fullbright->flags &= ~FCVAR_CHANGED;
-		D_FlushCaches ();	// so all lighting changes
+		D_FlushCaches( false );	// so all lighting changes
 	}
 	
 	r_framecount++;

r_surf.c

@@ -507,7 +507,7 @@ void R_InitCaches (void)
 	sc_size = size;
 	if( sc_base )
 	{
-		D_FlushCaches();
+		D_FlushCaches( false );
 		Mem_Free( sc_base );
 	}
 	sc_base = (surfcache_t *)Mem_Calloc(r_temppool,size);
@@ -524,17 +524,18 @@ void R_InitCaches (void)
 D_FlushCaches
 ==================
 */
-void D_FlushCaches (void)
+void D_FlushCaches( qboolean newmap )
 {
 	surfcache_t     *c;
 	
-	if (!sc_base)
-		return;
-
-	for (c = sc_base ; c ; c = c->next)
+	// if newmap, surfaces already freed
+	if( !newmap )
 	{
-		if (c->owner)
-			*c->owner = NULL;
+		for(c = sc_base ; c ; c = c->next )
+		{
+			if ( c->owner )
+				*c->owner = NULL;
+		}
 	}
 	
 	sc_rover = sc_base;