remove old renderer struct member, was only used for setting yafray but was still being checked in a few places,

source/blender/blenloader/intern/readfile.c

@@ -10403,13 +10403,6 @@ static void do_versions(FileData *fd, Library *lib, Main *main)
 			wrld->maxphystep = 5;
 		}
 	}
-
-	if (main->versionfile < 249) {
-		Scene *sce;
-		for (sce= main->scene.first; sce; sce= sce->id.next)
-			sce->r.renderer= 0;
-		
-	}
 	
 	// correct introduce of seed for wind force
 	if (main->versionfile < 249 && main->subversionfile < 1) {

source/blender/editors/object/object_bake.c

@@ -1259,9 +1259,7 @@ static int test_bake_internal(bContext *C, ReportList *reports)
 {
 	Scene *scene= CTX_data_scene(C);
 
-	if(scene->r.renderer!=R_INTERN) {
-		BKE_report(reports, RPT_ERROR, "Bake only supported for Internal Renderer");
-	} else if((scene->r.bake_flag & R_BAKE_TO_ACTIVE) && CTX_data_active_object(C)==NULL) {
+	if((scene->r.bake_flag & R_BAKE_TO_ACTIVE) && CTX_data_active_object(C)==NULL) {
 		BKE_report(reports, RPT_ERROR, "No active object");
 	}
 	else if(scene->r.bake_mode==RE_BAKE_AO && scene->world==NULL) {

source/blender/makesdna/DNA_scene_types.h

@@ -389,8 +389,7 @@ typedef struct RenderData {
 	 */
 	short raytrace_structure;
 
-	/* renderer (deprecated) */
-	short renderer  DNA_DEPRECATED;
+	short pad1;
 
 	/* octree resolution */
 	short ocres;
@@ -1036,10 +1035,6 @@ typedef struct Scene {
 #define R_FILTER_MITCH	6
 #define R_FILTER_FAST_GAUSS	7 /* note, this is only used for nodes at the moment */
 
-/* yafray: renderer flag (not only exclusive to yafray) */
-#define R_INTERN	0
-#define R_YAFRAY	1
-
 /* raytrace structure */
 #define R_RAYSTRUCTURE_AUTO				0
 #define R_RAYSTRUCTURE_OCTREE			1

source/blender/render/intern/source/convertblender.c

@@ -1718,7 +1718,7 @@ static int render_new_particle_system(Render *re, ObjectRen *obr, ParticleSystem
 			sd.adapt_angle = cosf(DEG2RADF((float)part->adapt_angle));
 		}
 
-		if(re->r.renderer==R_INTERN && part->draw&PART_DRAW_REN_STRAND) {
+		if (part->draw & PART_DRAW_REN_STRAND) {
 			strandbuf= RE_addStrandBuffer(obr, (totpart+totchild)*(path_nbr+1));
 			strandbuf->ma= ma;
 			strandbuf->lay= ob->lay;
@@ -3872,8 +3872,9 @@ static GroupObject *add_render_lamp(Render *re, Object *ob)
 			}
 		}
 	}
-	/* yafray: shadow flag should not be cleared, only used with internal renderer */
-	if (re->r.renderer==R_INTERN) {
+
+	/* old code checked for internal render (aka not yafray) */
+	{
 		/* to make sure we can check ray shadow easily in the render code */
 		if(lar->mode & LA_SHAD_RAY) {
 			if( (re->r.mode & R_RAYTRACE)==0)
@@ -5109,10 +5110,9 @@ void RE_Database_FromScene(Render *re, Main *bmain, Scene *scene, unsigned int l
 
 		/* SHADOW BUFFER */
 		threaded_makeshadowbufs(re);
-		
-		/* yafray: 'direct' radiosity, environment maps and raytree init not needed for yafray render */
-		/* although radio mode could be useful at some point, later */
-		if (re->r.renderer==R_INTERN) {
+
+		/* old code checked for internal render (aka not yafray) */
+		{
 			/* raytree */
 			if(!re->test_break(re->tbh)) {
 				if(re->r.mode & R_RAYTRACE) {
@@ -5137,14 +5137,12 @@ void RE_Database_FromScene(Render *re, Main *bmain, Scene *scene, unsigned int l
 		/* Occlusion */
 		if((re->wrld.mode & (WO_AMB_OCC|WO_ENV_LIGHT|WO_INDIRECT_LIGHT)) && !re->test_break(re->tbh))
 			if(re->wrld.ao_gather_method == WO_AOGATHER_APPROX)
-				if(re->r.renderer==R_INTERN)
-					if(re->r.mode & R_SHADOW)
-						make_occ_tree(re);
+				if(re->r.mode & R_SHADOW)
+					make_occ_tree(re);
 
 		/* SSS */
 		if((re->r.mode & R_SSS) && !re->test_break(re->tbh))
-			if(re->r.renderer==R_INTERN)
-				make_sss_tree(re);
+			make_sss_tree(re);
 		
 		if(!re->test_break(re->tbh))
 			if(re->r.mode & R_RAYTRACE)

source/blender/render/intern/source/pipeline.c

@@ -2832,12 +2832,6 @@ int RE_is_rendering_allowed(Scene *scene, Object *camera_override, ReportList *r
 		BKE_report(reports, RPT_ERROR, "All RenderLayers are disabled");
 		return 0;
 	}
-	
-	/* renderer */
-	if(!ELEM(scene->r.renderer, R_INTERN, R_YAFRAY)) {
-		BKE_report(reports, RPT_ERROR, "Unknown render engine set");
-		return 0;
-	}
 
 	return 1;
 }