Use loop data instead of face data

Replace checks in various places

source/blender/blenkernel/intern/DerivedMesh.c

@@ -1649,7 +1649,7 @@ static void mesh_calc_modifiers(
 	const bool do_final_wmcol = (scene->toolsettings->weights_preview == WP_WPREVIEW_FINAL) && do_wmcol;
 #endif
 	const bool do_final_wmcol = false;
-	const bool do_init_wmcol = ((dataMask & CD_MASK_PREVIEW_MCOL) && (ob->mode & OB_MODE_WEIGHT_PAINT) && !do_final_wmcol);
+	const bool do_init_wmcol = ((dataMask & CD_MASK_PREVIEW_MLOOPCOL) && (ob->mode & OB_MODE_WEIGHT_PAINT) && !do_final_wmcol);
 	/* XXX Same as above... For now, only weights preview in WPaint mode. */
 	const bool do_mod_wmcol = do_init_wmcol;
 
@@ -2555,16 +2555,16 @@ static CustomDataMask object_get_datamask(const Scene *scene, Object *ob, bool *
 
 		/* check if we need tfaces & mcols due to face select or texture paint */
 		if ((ob->mode & OB_MODE_TEXTURE_PAINT) || editing) {
-			mask |= CD_MASK_MTFACE | CD_MASK_MCOL;
+			mask |= CD_MASK_MLOOPUV | CD_MASK_MLOOPCOL;
 		}
 
 		/* check if we need mcols due to vertex paint or weightpaint */
 		if (ob->mode & OB_MODE_VERTEX_PAINT) {
-			mask |= CD_MASK_MCOL;
+			mask |= CD_MASK_MLOOPCOL;
 		}
 
 		if (ob->mode & OB_MODE_WEIGHT_PAINT) {
-			mask |= CD_MASK_PREVIEW_MCOL;
+			mask |= CD_MASK_PREVIEW_MLOOPCOL;
 		}
 
 		if (ob->mode & OB_MODE_EDIT)

source/blender/blenkernel/intern/cdderivedmesh.c

@@ -515,7 +515,7 @@ static void cdDM_drawFacesTex_common(
 	colType = CD_TEXTURE_MLOOPCOL;
 	mloopcol = dm->getLoopDataArray(dm, colType);
 	if (!mloopcol) {
-		colType = CD_PREVIEW_MCOL;
+		colType = CD_PREVIEW_MLOOPCOL;
 		mloopcol = dm->getLoopDataArray(dm, colType);
 	}
 	if (!mloopcol) {

source/blender/blenkernel/intern/dynamicpaint.c

@@ -325,7 +325,7 @@ bool dynamicPaint_outputLayerExists(struct DynamicPaintSurface *surface, Object
 	if (surface->format == MOD_DPAINT_SURFACE_F_VERTEX) {
 		if (surface->type == MOD_DPAINT_SURFACE_T_PAINT) {
 			Mesh *me = ob->data;
-			return (CustomData_get_named_layer_index(&me->fdata, CD_MCOL, name) != -1);
+			return (CustomData_get_named_layer_index(&me->ldata, CD_MLOOPCOL, name) != -1);
 		}
 		else if (surface->type == MOD_DPAINT_SURFACE_T_WEIGHT)
 			return (defgroup_name_index(ob, surface->output_name) != -1);

source/blender/blenkernel/intern/subsurf_ccg.c

@@ -3048,7 +3048,7 @@ static void ccgDM_drawFacesTex_common(DerivedMesh *dm,
 	colType = CD_TEXTURE_MLOOPCOL;
 	mloopcol = dm->getLoopDataArray(dm, colType);
 	if (!mloopcol) {
-		colType = CD_PREVIEW_MCOL;
+		colType = CD_PREVIEW_MLOOPCOL;
 		mloopcol = dm->getLoopDataArray(dm, colType);
 	}
 	if (!mloopcol) {

source/blender/editors/sculpt_paint/paint_vertex.c

@@ -83,8 +83,8 @@ static bool vertex_paint_use_fast_update_check(Object *ob)
 
 	if (dm) {
 		Mesh *me = BKE_mesh_from_object(ob);
-		if (me && me->mcol) {
+		if (me && me->mloopcol) {
-			return (me->mcol == CustomData_get_layer(&dm->faceData, CD_MCOL));
+			return (me->mloopcol == CustomData_get_layer(&dm->loopData, CD_MLOOPCOL));
 		}
 	}
 

source/blender/editors/space_view3d/view3d_draw.c

@@ -2619,7 +2619,7 @@ CustomDataMask ED_view3d_datamask(const Scene *scene, const View3D *v3d)
 	if (ELEM(v3d->drawtype, OB_TEXTURE, OB_MATERIAL) ||
 	    ((v3d->drawtype == OB_SOLID) && (v3d->flag2 & V3D_SOLID_TEX)))
 	{
-		mask |= CD_MASK_MTFACE | CD_MASK_MCOL;
+		mask |= CD_MASK_MTEXPOLY | CD_MASK_MLOOPUV | CD_MASK_MLOOPCOL;
 
 		if (BKE_scene_use_new_shading_nodes(scene)) {
 			if (v3d->drawtype == OB_MATERIAL)

source/blender/makesrna/intern/rna_object_api.c

@@ -175,7 +175,7 @@ static void dupli_render_particle_set(Scene *scene, Object *ob, int level, int e
 			/* this is to make sure we get render level duplis in groups:
 			 * the derivedmesh must be created before init_render_mesh,
 			 * since object_duplilist does dupliparticles before that */
-			dm = mesh_create_derived_render(scene, ob, CD_MASK_BAREMESH | CD_MASK_MTFACE | CD_MASK_MCOL);
+			dm = mesh_create_derived_render(scene, ob, CD_MASK_BAREMESH | CD_MASK_MLOOPUV | CD_MASK_MLOOPCOL);
 			dm->release(dm);
 
 			for (psys = ob->particlesystem.first; psys; psys = psys->next)

source/blender/modifiers/intern/MOD_dynamicpaint.c

@@ -76,24 +76,24 @@ static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md)
 			if (surface->format == MOD_DPAINT_SURFACE_F_IMAGESEQ || 
 			    surface->init_color_type == MOD_DPAINT_INITIAL_TEXTURE)
 			{
-				dataMask |= (1 << CD_MTFACE);
+				dataMask |= CD_MASK_MLOOPUV | CD_MASK_MTEXPOLY;
 			}
 			/* mcol */
 			if (surface->type == MOD_DPAINT_SURFACE_T_PAINT ||
 			    surface->init_color_type == MOD_DPAINT_INITIAL_VERTEXCOLOR)
 			{
-				dataMask |= (1 << CD_MCOL);
+				dataMask |= CD_MASK_MLOOPCOL;
 			}
 			/* CD_MDEFORMVERT */
 			if (surface->type == MOD_DPAINT_SURFACE_T_WEIGHT) {
-				dataMask |= (1 << CD_MDEFORMVERT);
+				dataMask |= CD_MASK_MDEFORMVERT;
 			}
 		}
 	}
 
 	if (pmd->brush) {
 		if (pmd->brush->flags & MOD_DPAINT_USE_MATERIAL) {
-			dataMask |= (1 << CD_MTFACE);
+			dataMask |= CD_MASK_MLOOPUV | CD_MASK_MTEXPOLY;
 		}
 	}
 	return dataMask;