svn merge ^/trunk/blender -r42722:42742

17 files changed, 176 insertions, 248 deletions

diff --git a/source/blender/blenkernel/BKE_node.h b/source/blender/blenkernel/BKE_node.h
index 378e5872791..6234308048b 100644
--- a/source/blender/blenkernel/BKE_node.h
+++ b/source/blender/blenkernel/BKE_node.h
@@ -305,8 +305,6 @@ void			ntreeSwitchID(struct bNodeTree *ntree, struct ID *sce_from, struct ID *sc
 void			ntreeMakeLocal(struct bNodeTree *ntree);
 int				ntreeHasType(struct bNodeTree *ntree, int type);
 
-void			ntreeSocketUseFlags(struct bNodeTree *ntree);
-
 void			ntreeUpdateTree(struct bNodeTree *ntree);
 /* XXX Currently each tree update call does call to ntreeVerifyNodes too.
  * Some day this should be replaced by a decent depsgraph automatism!
diff --git a/source/blender/blenkernel/BKE_texture.h b/source/blender/blenkernel/BKE_texture.h
index 52fa52a5899..7f321abf48e 100644
--- a/source/blender/blenkernel/BKE_texture.h
+++ b/source/blender/blenkernel/BKE_texture.h
@@ -67,7 +67,7 @@ void free_plugin_tex(struct PluginTex *pit);
 
 void init_colorband(struct ColorBand *coba, int rangetype);
 struct ColorBand *add_colorband(int rangetype);
-int do_colorband(struct ColorBand *coba, float in, float out[4]);
+int do_colorband(const struct ColorBand *coba, float in, float out[4]);
 void colorband_table_RGBA(struct ColorBand *coba, float **array, int *size);
 int vergcband(const void *a1, const void *a2);
 struct CBData *colorband_element_add(struct ColorBand *coba, float position);
diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c
index 98465dafecb..e47c197cfa0 100644
--- a/source/blender/blenkernel/intern/DerivedMesh.c
+++ b/source/blender/blenkernel/intern/DerivedMesh.c
@@ -883,7 +883,7 @@ enum {
 	CALC_WP_AUTO_NORMALIZE= (1<<1)
 };
 
-void weightpaint_color(unsigned char r_col[4], ColorBand *coba, const float input)
+static void weightpaint_color(unsigned char r_col[4], ColorBand *coba, const float input)
 {
 	float colf[4];
 
@@ -910,10 +910,10 @@ static void calc_weightpaint_vert_color(
 
 	if ((selected > 1) && (draw_flag & CALC_WP_MULTIPAINT)) {
 		int was_a_nonzero= FALSE;
-		int i;
+		unsigned int i;
 
 		MDeformWeight *dw= dv->dw;
-		for (i = dv->totweight; i > 0; i--, dw++) {
+		for (i = dv->totweight; i != 0; i--, dw++) {
 			/* in multipaint, get the average if auto normalize is inactive
 			 * get the sum if it is active */
 			if (dw->def_nr < defbase_tot) {
@@ -958,70 +958,81 @@ void vDM_ColorBand_store(ColorBand *coba)
 	stored_cb= coba;
 }
 
-static void add_weight_mcol_dm(Object *ob, DerivedMesh *dm, int const draw_flag)
+/* return an array of vertex weight colors */
+static unsigned char *calc_weightpaint_vert_array(Object *ob, int const draw_flag, ColorBand *coba)
 {
 	Mesh *me = ob->data;
-	MFace *mf = dm->getTessFaceArray(dm);
-	MLoop *mloop = dm->getLoopArray(dm), *ml;
-	MPoly *mp = dm->getPolyArray(dm);
-	ColorBand *coba= stored_cb;	/* warning, not a local var */
-	unsigned char *wtcol;
-	unsigned char(*wlcol)[4] = NULL;
-	BLI_array_declare(wlcol);
-	int i, j, totface=dm->getNumTessFaces(dm), totloop;
-	int *origIndex = dm->getVertDataArray(dm, CD_ORIGINDEX);
-
-	int defbase_tot = BLI_countlist(&ob->defbase);
-	const int defbase_act = ob->actdef-1;
-	char *dg_flags = MEM_mallocN(defbase_tot * sizeof(char), __func__);
-	int selected = get_selected_defgroups(ob, dg_flags, defbase_tot);
-
-	wtcol = MEM_callocN (sizeof (unsigned char) * totface*4*4, "weightmap");
+	unsigned char *wtcol_v = MEM_callocN (sizeof(unsigned char) * me->totvert * 4, "weightmap_v");
 
 	if (me->dvert) {
-		MDeformVert *dvert= me->dvert;
-		/*first add colors to the tesselation faces*/
-		memset(wtcol, 0x55, sizeof (unsigned char) * totface*4*4);
-		for (i=0; i<totface; i++, mf++) {
-			/*origindex being NULL means we're operating on original mesh data*/
-			unsigned int fidx= mf->v4 ? 3:2;
-			do {
-				calc_weightpaint_vert_color(&wtcol[(i*4 + fidx)*4],
-				                            &dvert[*(&mf->v1 + fidx)], coba,
-				                            defbase_tot, defbase_act,
-				                            dg_flags, selected, draw_flag);
-			} while (fidx--);
+		unsigned char *wc = wtcol_v;
+		MDeformVert *dv= me->dvert;
+		unsigned int i;
+
+		/* varisbles for multipaint */
+		const int defbase_tot = BLI_countlist(&ob->defbase);
+		const int defbase_act = ob->actdef-1;
+		char *dg_flags = MEM_mallocN(defbase_tot * sizeof(char), __func__);
+		const int selected = get_selected_defgroups(ob, dg_flags, defbase_tot);
+		/* const int unselected = defbase_tot - selected; */ /* UNUSED */
+
+		for (i = me->totvert; i != 0; i--, wc += 4, dv++) {
+			calc_weightpaint_vert_color(wc, dv, coba, defbase_tot, defbase_act, dg_flags, selected, draw_flag);
 		}
+
+		MEM_freeN(dg_flags);
 	}
 	else {
-		/* no weights, fill in zero */
 		int col_i;
 		weightpaint_color((unsigned char *)&col_i, coba, 0.0f);
-		fill_vn_i((int *)wtcol, totface*4, col_i);
+		fill_vn_i((int *)wtcol_v, me->totvert, col_i);
+	}
+
+	return wtcol_v;
+}
+
+static void add_weight_mcol_dm(Object *ob, DerivedMesh *dm, int const draw_flag)
+{
+	ColorBand *coba= stored_cb;	/* warning, not a local var */
+	unsigned char *wtcol_v = calc_weightpaint_vert_array(ob, draw_flag, coba);
+	unsigned char *wtcol_f;
+	unsigned char(*wtcol_l)[4] = NULL;
+	BLI_array_declare(wtcol_l);
+	MFace *mf = dm->getTessFaceArray(dm);
+	MLoop *mloop = dm->getLoopArray(dm), *ml;
+	MPoly *mp = dm->getPolyArray(dm);
+	int i, j, totface=dm->getNumTessFaces(dm), totloop;
+	int *origIndex = dm->getVertDataArray(dm, CD_ORIGINDEX);
+
+	wtcol_f = MEM_mallocN(sizeof (unsigned char) * totface*4*4, "weightmap_f");
+
+	/*first add colors to the tesselation faces*/
+	for (i=0; i<totface; i++, mf++) {
+		/*origindex being NULL means we're operating on original mesh data*/
+		unsigned int fidx= mf->v4 ? 3:2;
+		do {
+		copy_v4_v4_char((char *)&wtcol_f[(4 * i + fidx) * 4],
+						(char *)&wtcol_v[4 * (*(&mf->v1 + fidx))]);
+		} while (fidx--);
 	}
-	
-	CustomData_add_layer(&dm->faceData, CD_WEIGHT_MCOL, CD_ASSIGN, wtcol, totface);
+
+	CustomData_add_layer(&dm->faceData, CD_WEIGHT_MCOL, CD_ASSIGN, wtcol_f, totface);
 
 	/*now add to loops, so the data can be passed through the modifier stack*/
 	totloop = 0;
 	for (i=0; i<dm->numPolyData; i++, mp++) {
-		MDeformVert *dvert= me->dvert;
-
 		ml = mloop + mp->loopstart;
 
 		for (j=0; j<mp->totloop; j++, ml++, totloop++) {
-			BLI_array_growone(wlcol);
-
-			calc_weightpaint_vert_color((unsigned char *)&wlcol[totloop],
-			                            &dvert[origIndex ? origIndex[ml->v] : ml->v], coba,
-			                            defbase_tot, defbase_act,
-										dg_flags, selected, draw_flag);
+			BLI_array_growone(wtcol_l);
+			copy_v4_v4_char((char *)&wtcol_l[totloop],
+			                (char *)&wtcol_v[4 * (origIndex ? origIndex[ml->v] : ml->v)]);
 		}
 	}
 
-	MEM_freeN(dg_flags);
+	MEM_freeN(wtcol_v);
 
-	CustomData_add_layer(&dm->loopData, CD_WEIGHT_MLOOPCOL, CD_ASSIGN, wlcol, totloop);
+	CustomData_add_layer(&dm->loopData, CD_WEIGHT_MLOOPCOL, CD_ASSIGN, wtcol_l, totloop);
 }
 
 
diff --git a/source/blender/blenkernel/intern/node.c b/source/blender/blenkernel/intern/node.c
index cc49e8465b9..ce1dd429794 100644
--- a/source/blender/blenkernel/intern/node.c
+++ b/source/blender/blenkernel/intern/node.c
@@ -1325,32 +1325,6 @@ void nodeSetActive(bNodeTree *ntree, bNode *node)
 		node->flag |= NODE_ACTIVE_TEXTURE;
 }
 
-/* use flags are not persistent yet, groups might need different tagging, so we do it each time
-   when we need to get this info */
-void ntreeSocketUseFlags(bNodeTree *ntree)
-{
-	bNode *node;
-	bNodeSocket *sock;
-	bNodeLink *link;
-	
-	/* clear flags */
-	for(node= ntree->nodes.first; node; node= node->next) {
-		for(sock= node->inputs.first; sock; sock= sock->next)
-			sock->flag &= ~SOCK_IN_USE;
-		for(sock= node->outputs.first; sock; sock= sock->next)
-			sock->flag &= ~SOCK_IN_USE;
-	}
-	
-	/* tag all thats in use */
-	for(link= ntree->links.first; link; link= link->next) {
-	
-		if(link->fromsock) // FIXME, see below
-			link->fromsock->flag |= SOCK_IN_USE;
-		if(link->tosock) // FIXME This can be NULL, when dragging a new link in the UI, should probably copy the node tree for preview render - campbell
-			link->tosock->flag |= SOCK_IN_USE;
-	}
-}
-
 /* ************** dependency stuff *********** */
 
 /* node is guaranteed to be not checked before */
@@ -1425,16 +1399,27 @@ static void ntree_update_link_pointers(bNodeTree *ntree)
 	
 	/* first clear data */
 	for(node= ntree->nodes.first; node; node= node->next) {
-		for(sock= node->inputs.first; sock; sock= sock->next)
+		for(sock= node->inputs.first; sock; sock= sock->next) {
 			sock->link= NULL;
+			sock->flag &= ~SOCK_IN_USE;
+		}
+		for(sock= node->outputs.first; sock; sock= sock->next) {
+			sock->flag &= ~SOCK_IN_USE;
+		}
+	}
+	for(sock= ntree->inputs.first; sock; sock= sock->next) {
+		sock->flag &= ~SOCK_IN_USE;
 	}
-	/* clear socket links */
-	for(sock= ntree->outputs.first; sock; sock= sock->next)
+	for(sock= ntree->outputs.first; sock; sock= sock->next) {
 		sock->link= NULL;
+		sock->flag &= ~SOCK_IN_USE;
+	}
 
 	for(link= ntree->links.first; link; link= link->next) {
-		if (link->tosock)
-			link->tosock->link= link;
+		link->tosock->link= link;
+		
+		link->fromsock->flag |= SOCK_IN_USE;
+		link->tosock->flag |= SOCK_IN_USE;
 	}
 }
 
diff --git a/source/blender/blenkernel/intern/texture.c b/source/blender/blenkernel/intern/texture.c
index 93404dc25fb..7051376a1f4 100644
--- a/source/blender/blenkernel/intern/texture.c
+++ b/source/blender/blenkernel/intern/texture.c
@@ -349,9 +349,9 @@ ColorBand *add_colorband(int rangetype)
 
 /* ------------------------------------------------------------------------- */
 
-int do_colorband(ColorBand *coba, float in, float out[4])
+int do_colorband(const ColorBand *coba, float in, float out[4])
 {
-	CBData *cbd1, *cbd2, *cbd0, *cbd3;
+	const CBData *cbd1, *cbd2, *cbd0, *cbd3;
 	float fac, mfac, t[4];
 	int a;
 	
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 14decca5202..99c3ec0c134 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -7520,6 +7520,30 @@ void do_versions_image_settings_2_60(Scene *sce)
 
 }
 
+/* socket use flags were only temporary before */
+static void do_versions_nodetree_socket_use_flags_2_62(bNodeTree *ntree)
+{
+	bNode *node;
+	bNodeSocket *sock;
+	bNodeLink *link;
+	
+	for (node=ntree->nodes.first; node; node=node->next) {
+		for (sock=node->inputs.first; sock; sock=sock->next)
+			sock->flag &= ~SOCK_IN_USE;
+		for (sock=node->outputs.first; sock; sock=sock->next)
+			sock->flag &= ~SOCK_IN_USE;
+	}
+	for (sock=ntree->inputs.first; sock; sock=sock->next)
+		sock->flag &= ~SOCK_IN_USE;
+	for (sock=ntree->outputs.first; sock; sock=sock->next)
+		sock->flag &= ~SOCK_IN_USE;
+	
+	for (link=ntree->links.first; link; link=link->next) {
+		link->fromsock->flag |= SOCK_IN_USE;
+		link->tosock->flag |= SOCK_IN_USE;
+	}
+}
+
 static void do_versions(FileData *fd, Library *lib, Main *main)
 {
 	/* WATCH IT!!!: pointers from libdata have not been converted */
@@ -12749,7 +12773,38 @@ static void do_versions(FileData *fd, Library *lib, Main *main)
 
 	/* put compatibility code here until next subversion bump */
 	{
-		/* nothing! */
+		{
+			/* update use flags for node sockets (was only temporary before) */
+			Scene *sce;
+			Material *mat;
+			Tex *tex;
+			Lamp *lamp;
+			World *world;
+			bNodeTree *ntree;
+
+			for (sce=main->scene.first; sce; sce=sce->id.next)
+				if (sce->nodetree)
+					do_versions_nodetree_socket_use_flags_2_62(sce->nodetree);
+
+			for (mat=main->mat.first; mat; mat=mat->id.next)
+				if (mat->nodetree)
+					do_versions_nodetree_socket_use_flags_2_62(mat->nodetree);
+
+			for (tex=main->tex.first; tex; tex=tex->id.next)
+				if (tex->nodetree)
+					do_versions_nodetree_socket_use_flags_2_62(tex->nodetree);
+
+			for (lamp=main->lamp.first; lamp; lamp=lamp->id.next)
+				if (lamp->nodetree)
+					do_versions_nodetree_socket_use_flags_2_62(lamp->nodetree);
+
+			for (world=main->world.first; world; world=world->id.next)
+				if (world->nodetree)
+					do_versions_nodetree_socket_use_flags_2_62(world->nodetree);
+
+			for (ntree=main->nodetree.first; ntree; ntree=ntree->id.next)
+				do_versions_nodetree_socket_use_flags_2_62(ntree);
+		}
 	}
 
 	/* WATCH IT!!!: pointers from libdata have not been converted yet here! */
diff --git a/source/blender/editors/space_node/node_buttons.c b/source/blender/editors/space_node/node_buttons.c
index 15e5719be37..1b5f2417384 100644
--- a/source/blender/editors/space_node/node_buttons.c
+++ b/source/blender/editors/space_node/node_buttons.c
@@ -115,6 +115,9 @@ static void active_node_panel(const bContext *C, Panel *pa)
 	uiItemS(layout);
 	uiItemR(layout, &ptr, "name", 0, NULL, ICON_NODE);
 	uiItemS(layout);
+	
+	uiItemO(layout, NULL, 0, "NODE_OT_hide_socket_toggle");
+	uiItemS(layout);
 
 	/* draw this node's settings */
 	if (node->typeinfo && node->typeinfo->uifuncbut)
diff --git a/source/blender/editors/space_node/node_draw.c b/source/blender/editors/space_node/node_draw.c
index 08e073494bb..7b692f55965 100644
--- a/source/blender/editors/space_node/node_draw.c
+++ b/source/blender/editors/space_node/node_draw.c
@@ -351,10 +351,10 @@ static void node_update_hidden(bNode *node)
 
 	/* calculate minimal radius */
 	for(nsock= node->inputs.first; nsock; nsock= nsock->next)
-		if(!(nsock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL)))
+		if(!(nsock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL)) && (nsock->flag & SOCK_IN_USE))
 			totin++;
 	for(nsock= node->outputs.first; nsock; nsock= nsock->next)
-		if(!(nsock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL)))
+		if(!(nsock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL)) && (nsock->flag & SOCK_IN_USE))
 			totout++;
 	
 	tot= MAX2(totin, totout);
@@ -371,7 +371,7 @@ static void node_update_hidden(bNode *node)
 	rad=drad= (float)M_PI/(1.0f + (float)totout);
 	
 	for(nsock= node->outputs.first; nsock; nsock= nsock->next) {
-		if(!(nsock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL))) {
+		if(!(nsock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL)) && (nsock->flag & SOCK_IN_USE)) {
 			nsock->locx= node->totr.xmax - hiddenrad + (float)sin(rad)*hiddenrad;
 			nsock->locy= node->totr.ymin + hiddenrad + (float)cos(rad)*hiddenrad;
 			rad+= drad;
@@ -382,7 +382,7 @@ static void node_update_hidden(bNode *node)
 	rad=drad= - (float)M_PI/(1.0f + (float)totin);
 	
 	for(nsock= node->inputs.first; nsock; nsock= nsock->next) {
-		if(!(nsock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL))) {
+		if(!(nsock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL)) && (nsock->flag & SOCK_IN_USE)) {
 			nsock->locx= node->totr.xmin + hiddenrad + (float)sin(rad)*hiddenrad;
 			nsock->locy= node->totr.ymin + hiddenrad + (float)cos(rad)*hiddenrad;
 			rad+= drad;
@@ -854,12 +854,12 @@ static void node_draw_hidden(const bContext *C, ARegion *ar, SpaceNode *snode, b
 	
 	/* sockets */
 	for(sock= node->inputs.first; sock; sock= sock->next) {
-		if(!(sock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL)))
+		if(!(sock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL)) && (sock->flag & SOCK_IN_USE))
 			node_socket_circle_draw(snode->nodetree, sock, socket_size);
 	}
 	
 	for(sock= node->outputs.first; sock; sock= sock->next) {
-		if(!(sock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL)))
+		if(!(sock->flag & (SOCK_HIDDEN|SOCK_UNAVAIL)) && (sock->flag & SOCK_IN_USE))
 			node_socket_circle_draw(snode->nodetree, sock, socket_size);
 	}
 	
diff --git a/source/blender/editors/space_text/text_ops.c b/source/blender/editors/space_text/text_ops.c
index 16ee32d10a2..566659e0391 100644
--- a/source/blender/editors/space_text/text_ops.c
+++ b/source/blender/editors/space_text/text_ops.c
@@ -195,7 +195,6 @@ void TEXT_OT_new(wmOperatorType *ot)
 	ot->description= "Create a new text data block";
 	
 	/* api callbacks */
-	ot->invoke= WM_operator_confirm;
 	ot->exec= text_new_exec;
 	ot->poll= text_new_poll;
 	
diff --git a/source/blender/makesdna/DNA_world_types.h b/source/blender/makesdna/DNA_world_types.h
index 1e8a4574120..149393b6723 100644
--- a/source/blender/makesdna/DNA_world_types.h
+++ b/source/blender/makesdna/DNA_world_types.h
@@ -181,6 +181,7 @@ typedef struct World {
 #define TEXCO_ANGMAP	64
 #define TEXCO_H_SPHEREMAP	256
 #define TEXCO_H_TUBEMAP	1024
+#define TEXCO_EQUIRECTMAP 2048
 
 /* mapto */
 #define WOMAP_BLEND		1
diff --git a/source/blender/makesrna/intern/rna_world.c b/source/blender/makesrna/intern/rna_world.c
index 840498249ea..087716adbe3 100644
--- a/source/blender/makesrna/intern/rna_world.c
+++ b/source/blender/makesrna/intern/rna_world.c
@@ -143,6 +143,7 @@ static void rna_def_world_mtex(BlenderRNA *brna)
 		{TEXCO_GLOB, "GLOBAL", 0, "Global", "Use global coordinates for the texture coordinates (interior mist)"},
 		{TEXCO_ANGMAP, "ANGMAP", 0, "AngMap", "Use 360 degree angular coordinates, e.g. for spherical light probes"},
 		{TEXCO_H_SPHEREMAP, "SPHERE", 0, "Sphere", "For 360 degree panorama sky, spherical mapped, only top half"},
+		{TEXCO_EQUIRECTMAP, "EQUIRECT", 0, "Equirectangular", "For 360 degree panorama sky, equirectangular mapping"},
 		{TEXCO_H_TUBEMAP, "TUBE", 0, "Tube", "For 360 degree panorama sky, cylindrical mapped, only top half"},
 		{TEXCO_OBJECT, "OBJECT", 0, "Object", "Use linked object's coordinates for texture coordinates"},
 		{0, NULL, 0, NULL, NULL}};
diff --git a/source/blender/modifiers/intern/MOD_weightvgedit.c b/source/blender/modifiers/intern/MOD_weightvgedit.c
index a4c0f0ffa70..95862f5f002 100644
--- a/source/blender/modifiers/intern/MOD_weightvgedit.c
+++ b/source/blender/modifiers/intern/MOD_weightvgedit.c
@@ -177,10 +177,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
                                   int UNUSED(useRenderParams), int UNUSED(isFinalCalc))
 {
 	WeightVGEditModifierData *wmd = (WeightVGEditModifierData*) md;
-	DerivedMesh *dm = derivedData, *ret = NULL;
-#if 0
-	Mesh *ob_m = NULL;
-#endif
+	DerivedMesh *dm = derivedData;
 	MDeformVert *dvert = NULL;
 	MDeformWeight **dw = NULL;
 	float *org_w; /* Array original weights. */
@@ -188,7 +185,6 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 	int numVerts;
 	int defgrp_idx;
 	int i;
-	char rel_ret = 0; /* Boolean, whether we have to release ret dm or not, when not using it! */
 	/* Flags. */
 	int do_add = (wmd->edit_flags & MOD_WVG_EDIT_ADD2VG) != 0;
 	int do_rem = (wmd->edit_flags & MOD_WVG_EDIT_REMFVG) != 0;
@@ -207,49 +203,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 	if (defgrp_idx < 0)
 		return dm;
 
-	/* XXX All this to avoid copying dm when not needed... However, it nearly doubles compute
-	 *     time! See scene 5 of the WeighVG test file...
-	 */
-#if 0
-	/* Get actual dverts (ie vertex group data). */
-	dvert = dm->getVertDataArray(dm, CD_MDEFORMVERT);
-	/* If no dverts, return unmodified data... */
-	if (dvert == NULL)
-		return dm;
-
-	/* Get org mesh, only to test whether affected cdata layer has already been copied
-	 * somewhere up in the modifiers stack.
-	 */
-	ob_m = get_mesh(ob);
-	if (ob_m == NULL)
-		return dm;
-
-	/* Create a copy of our dmesh, only if our affected cdata layer is the same as org mesh. */
-	if (dvert == CustomData_get_layer(&ob_m->vdata, CD_MDEFORMVERT)) {
-		/* XXX Seems to create problems with weightpaint mode???
-		 *     I'm missing something here, I guess...
-		 */
-//		DM_set_only_copy(dm, CD_MASK_MDEFORMVERT); /* Only copy defgroup layer. */
-		ret = CDDM_copy(dm);
-		dvert = ret->getVertDataArray(ret, CD_MDEFORMVERT);
-		if (dvert == NULL) {
-			ret->release(ret);
-			return dm;
-		}
-		rel_ret = 1;
-	}
-	else
-		ret = dm;
-#else
-	ret = CDDM_copy(dm, 0);
-	rel_ret = 1;
-	dvert = ret->getVertDataArray(ret, CD_MDEFORMVERT);
-	if (dvert == NULL) {
-		if (rel_ret)
-			ret->release(ret);
-		return dm;
-	}
-#endif
+	dvert = CustomData_duplicate_referenced_layer(&dm->vertData, CD_MDEFORMVERT, numVerts);
 
 	/* Get org weights, assuming 0.0 for vertices not in given vgroup. */
 	org_w = MEM_mallocN(sizeof(float) * numVerts, "WeightVGEdit Modifier, org_w");
@@ -271,7 +225,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 	}
 
 	/* Do masking. */
-	weightvg_do_mask(numVerts, NULL, org_w, new_w, ob, ret, wmd->mask_constant,
+	weightvg_do_mask(numVerts, NULL, org_w, new_w, ob, dm, wmd->mask_constant,
 	                 wmd->mask_defgrp_name, wmd->mask_texture, wmd->mask_tex_use_channel,
 	                 wmd->mask_tex_mapping, wmd->mask_tex_map_obj, wmd->mask_tex_uvlayer_name);
 
@@ -285,7 +239,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 	MEM_freeN(dw);
 
 	/* Return the vgroup-modified mesh. */
-	return ret;
+	return dm;
 }
 
 static DerivedMesh *applyModifierEM(ModifierData *md, Object *ob,
diff --git a/source/blender/modifiers/intern/MOD_weightvgmix.c b/source/blender/modifiers/intern/MOD_weightvgmix.c
index 43f503a7624..34e73adb4b4 100644
--- a/source/blender/modifiers/intern/MOD_weightvgmix.c
+++ b/source/blender/modifiers/intern/MOD_weightvgmix.c
@@ -219,10 +219,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
                                   int UNUSED(useRenderParams), int UNUSED(isFinalCalc))
 {
 	WeightVGMixModifierData *wmd = (WeightVGMixModifierData*) md;
-	DerivedMesh *dm = derivedData, *ret = NULL;
-#if 0
-	Mesh *ob_m = NULL;
-#endif
+	DerivedMesh *dm = derivedData;
 	MDeformVert *dvert = NULL;
 	MDeformWeight **dw1, **tdw1, **dw2, **tdw2;
 	int numVerts;
@@ -232,7 +229,6 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 	int *tidx, *indices = NULL;
 	int numIdx = 0;
 	int i;
-	char rel_ret = 0; /* Boolean, whether we have to release ret dm or not, when not using it! */
 
 	/* Get number of verts. */
 	numVerts = dm->getNumVerts(dm);
@@ -254,49 +250,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 			return dm;
 	}
 
-	/* XXX All this to avoid copying dm when not needed... However, it nearly doubles compute
-	 *     time! See scene 5 of the WeighVG test file...
-	 */
-#if 0
-	/* Get actual dverts (ie vertex group data). */
-	dvert = dm->getVertDataArray(dm, CD_MDEFORMVERT);
-	/* If no dverts, return unmodified data... */
-	if (dvert == NULL)
-		return dm;
-
-	/* Get org mesh, only to test whether affected cdata layer has already been copied
-	 * somewhere up in the modifiers stack.
-	 */
-	ob_m = get_mesh(ob);
-	if (ob_m == NULL)
-		return dm;
-
-	/* Create a copy of our dmesh, only if our affected cdata layer is the same as org mesh. */
-	if (dvert == CustomData_get_layer(&ob_m->vdata, CD_MDEFORMVERT)) {
-		/* XXX Seems to create problems with weightpaint mode???
-		 *     I'm missing something here, I guess...
-		 */
-//		DM_set_only_copy(dm, CD_MASK_MDEFORMVERT); /* Only copy defgroup layer. */
-		ret = CDDM_copy(dm);
-		dvert = ret->getVertDataArray(ret, CD_MDEFORMVERT);
-		if (dvert == NULL) {
-			ret->release(ret);
-			return dm;
-		}
-		rel_ret = 1;
-	}
-	else
-		ret = dm;
-#else
-	ret = CDDM_copy(dm, 0);
-	rel_ret = 1;
-	dvert = ret->getVertDataArray(ret, CD_MDEFORMVERT);
-	if (dvert == NULL) {
-		if (rel_ret)
-			ret->release(ret);
-		return dm;
-	}
-#endif
+	dvert = CustomData_duplicate_referenced_layer(&dm->vertData, CD_MDEFORMVERT, numVerts);
 
 	/* Find out which vertices to work on. */
 	tidx = MEM_mallocN(sizeof(int) * numVerts, "WeightVGMix Modifier, tidx");
@@ -364,8 +318,6 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 		MEM_freeN(tdw1);
 		MEM_freeN(tdw2);
 		MEM_freeN(tidx);
-		if (rel_ret)
-			ret->release(ret);
 		return dm;
 	}
 	if (numIdx != -1) {
@@ -400,7 +352,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 	}
 
 	/* Do masking. */
-	weightvg_do_mask(numIdx, indices, org_w, new_w, ob, ret, wmd->mask_constant,
+	weightvg_do_mask(numIdx, indices, org_w, new_w, ob, dm, wmd->mask_constant,
 	                 wmd->mask_defgrp_name, wmd->mask_texture, wmd->mask_tex_use_channel,
 	                 wmd->mask_tex_mapping, wmd->mask_tex_map_obj, wmd->mask_tex_uvlayer_name);
 
@@ -419,7 +371,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 		MEM_freeN(indices);
 
 	/* Return the vgroup-modified mesh. */
-	return ret;
+	return dm;
 }
 
 static DerivedMesh *applyModifierEM(ModifierData *md, Object *ob,
diff --git a/source/blender/modifiers/intern/MOD_weightvgproximity.c b/source/blender/modifiers/intern/MOD_weightvgproximity.c
index db561eb59a6..2a8b639f2cf 100644
--- a/source/blender/modifiers/intern/MOD_weightvgproximity.c
+++ b/source/blender/modifiers/intern/MOD_weightvgproximity.c
@@ -28,11 +28,17 @@
  *  \ingroup modifiers
  */
 
+#define DO_PROFILE 0
+
 #include "BLI_editVert.h"
 #include "BLI_math.h"
 #include "BLI_string.h"
 #include "BLI_utildefines.h"
 
+#if DO_PROFILE
+	#include "PIL_time.h"
+#endif
+
 #include "DNA_mesh_types.h"
 #include "DNA_meshdata_types.h"
 #include "DNA_modifier_types.h"
@@ -334,10 +340,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
                                   int UNUSED(useRenderParams), int UNUSED(isFinalCalc))
 {
 	WeightVGProximityModifierData *wmd = (WeightVGProximityModifierData*) md;
-	DerivedMesh *dm = derivedData, *ret = NULL;
-#if 0
-	Mesh *ob_m = NULL;
-#endif
+	DerivedMesh *dm = derivedData;
 	MDeformVert *dvert = NULL;
 	MDeformWeight **dw, **tdw;
 	int numVerts;
@@ -350,7 +353,10 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 	int *tidx, *indices = NULL;
 	int numIdx = 0;
 	int i;
-	char rel_ret = 0; /* Boolean, whether we have to release ret dm or not, when not using it! */
+
+#if DO_PROFILE
+	TIMEIT_START(perf)
+#endif
 
 	/* Get number of verts. */
 	numVerts = dm->getNumVerts(dm);
@@ -371,49 +377,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 	if (defgrp_idx < 0)
 		return dm;
 
-	/* XXX All this to avoid copying dm when not needed... However, it nearly doubles compute
-	 *     time! See scene 5 of the WeighVG test file...
-	 */
-#if 0
-	/* Get actual dverts (ie vertex group data). */
-	dvert = dm->getVertDataArray(dm, CD_MDEFORMVERT);
-	/* If no dverts, return unmodified data... */
-	if (dvert == NULL)
-		return dm;
-
-	/* Get org mesh, only to test whether affected cdata layer has already been copied
-	 * somewhere up in the modifiers stack.
-	 */
-	ob_m = get_mesh(ob);
-	if (ob_m == NULL)
-		return dm;
-
-	/* Create a copy of our dmesh, only if our affected cdata layer is the same as org mesh. */
-	if (dvert == CustomData_get_layer(&ob_m->vdata, CD_MDEFORMVERT)) {
-		/* XXX Seems to create problems with weightpaint mode???
-		 *     I'm missing something here, I guess...
-		 */
-//		DM_set_only_copy(dm, CD_MASK_MDEFORMVERT); /* Only copy defgroup layer. */
-		ret = CDDM_copy(dm);
-		dvert = ret->getVertDataArray(ret, CD_MDEFORMVERT);
-		if (dvert == NULL) {
-			ret->release(ret);
-			return dm;
-		}
-		rel_ret = 1;
-	}
-	else
-		ret = dm;
-#else
-	ret = CDDM_copy(dm, 0);
-	rel_ret = 1;
-	dvert = ret->getVertDataArray(ret, CD_MDEFORMVERT);
-	if (dvert == NULL) {
-		if (rel_ret)
-			ret->release(ret);
-		return dm;
-	}
-#endif
+	dvert = CustomData_duplicate_referenced_layer(&dm->vertData, CD_MDEFORMVERT, numVerts);
 
 	/* Find out which vertices to work on (all vertices in vgroup), and get their relevant weight.
 	 */
@@ -433,8 +397,6 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 		MEM_freeN(tidx);
 		MEM_freeN(tw);
 		MEM_freeN(tdw);
-		if (rel_ret)
-			ret->release(ret);
 		return dm;
 	}
 	indices = MEM_mallocN(sizeof(int) * numIdx, "WeightVGProximity Modifier, indices");
@@ -455,7 +417,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 		 */
 		float (*tv_cos)[3] = MEM_mallocN(sizeof(float[3]) * numVerts, "WeightVGProximity Modifier, tv_cos");
 		v_cos = MEM_mallocN(sizeof(float[3]) * numIdx, "WeightVGProximity Modifier, v_cos");
-		ret->getVertCos(ret, tv_cos);
+		dm->getVertCos(dm, tv_cos);
 		for (i = 0; i < numIdx; i++)
 			copy_v3_v3(v_cos[i], tv_cos[indices[i]]);
 		MEM_freeN(tv_cos);
@@ -524,7 +486,7 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 	do_map(new_w, numIdx, wmd->min_dist, wmd->max_dist, wmd->falloff_type);
 
 	/* Do masking. */
-	weightvg_do_mask(numIdx, indices, org_w, new_w, ob, ret, wmd->mask_constant,
+	weightvg_do_mask(numIdx, indices, org_w, new_w, ob, dm, wmd->mask_constant,
 	                 wmd->mask_defgrp_name, wmd->mask_texture, wmd->mask_tex_use_channel,
 	                 wmd->mask_tex_mapping, wmd->mask_tex_map_obj, wmd->mask_tex_uvlayer_name);
 
@@ -538,8 +500,12 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *der
 	MEM_freeN(indices);
 	MEM_freeN(v_cos);
 
+#if DO_PROFILE
+	TIMEIT_END(perf)
+#endif
+
 	/* Return the vgroup-modified mesh. */
-	return ret;
+	return dm;
 }
 
 static DerivedMesh *applyModifierEM(ModifierData *md, Object *ob,
diff --git a/source/blender/nodes/shader/node_shader_util.c b/source/blender/nodes/shader/node_shader_util.c
index 87585c35e6a..8b8afc3d846 100644
--- a/source/blender/nodes/shader/node_shader_util.c
+++ b/source/blender/nodes/shader/node_shader_util.c
@@ -134,8 +134,6 @@ void ntreeShaderGetTexcoMode(bNodeTree *ntree, int r_mode, short *texco, int *mo
 	bNodeSocket *sock;
 	int a;
 	
-	ntreeSocketUseFlags(ntree);
-
 	for(node= ntree->nodes.first; node; node= node->next) {
 		if(node->type==SH_NODE_TEXTURE) {
 			if((r_mode & R_OSA) && node->id) {
diff --git a/source/blender/render/intern/source/render_texture.c b/source/blender/render/intern/source/render_texture.c
index 7c6efc9a138..849e0ef428a 100644
--- a/source/blender/render/intern/source/render_texture.c
+++ b/source/blender/render/intern/source/render_texture.c
@@ -3083,6 +3083,12 @@ void do_sky_tex(const float rco[3], float lo[3], const float dxyview[2], float h
 					continue;
 				}
 				break;
+			case TEXCO_EQUIRECTMAP:
+				tempvec[0]= atan2f(lo[0], lo[2]) / (float)M_PI;
+				tempvec[1]= 1.0f - 2.0f*saacos(lo[1]) / (float)M_PI;
+				tempvec[2]= 0.0f;
+				co= tempvec;
+				break;
 			case TEXCO_OBJECT:
 				if(mtex->object) {
 					copy_v3_v3(tempvec, lo);
diff --git a/source/creator/CMakeLists.txt b/source/creator/CMakeLists.txt
index c190c27abb3..9ef86b3cac5 100644
--- a/source/creator/CMakeLists.txt
+++ b/source/creator/CMakeLists.txt
@@ -491,7 +491,6 @@ elseif(WIN32)
 	else()
 		install(
 			FILES
-				${LIBDIR}/png/lib/libpng.dll
 				${LIBDIR}/zlib/lib/zlib.dll
 			DESTINATION ${TARGETDIR}
 		)