view3d function naming, no functional changes.

18 files changed, 87 insertions, 85 deletions

diff --git a/source/blender/editors/gpencil/drawgpencil.c b/source/blender/editors/gpencil/drawgpencil.c
index b93e4b07302..a275a5f908a 100644
--- a/source/blender/editors/gpencil/drawgpencil.c
+++ b/source/blender/editors/gpencil/drawgpencil.c
@@ -790,7 +790,7 @@ void draw_gpencil_view3d_ext (Scene *scene, View3D *v3d, ARegion *ar, short only
 	 * deal with the camera border, otherwise map the coords to the camera border. */
 	if ((rv3d->persp == RV3D_CAMOB) && !(G.f & G_RENDER_OGL)) {
 		rctf rectf;
-		view3d_calc_camera_border(scene, ar, rv3d, v3d, &rectf, -1); /* negative shift */
+		ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &rectf, -1); /* negative shift */
 		BLI_copy_rcti_rctf(&rect, &rectf);
 	}
 	else {
diff --git a/source/blender/editors/gpencil/gpencil_edit.c b/source/blender/editors/gpencil/gpencil_edit.c
index 83dec47bf8b..27f2598d515 100644
--- a/source/blender/editors/gpencil/gpencil_edit.c
+++ b/source/blender/editors/gpencil/gpencil_edit.c
@@ -453,7 +453,7 @@ static int gp_camera_view_subrect(bContext *C, rctf *subrect)
 
 		/* for camera view set the subrect */
 		if (rv3d->persp == RV3D_CAMOB) {
-			view3d_calc_camera_border(scene, ar, NULL, v3d, subrect, -1); /* negative shift */
+			ED_view3d_calc_camera_border(scene, ar, v3d, NULL, subrect, -1); /* negative shift */
 			return 1;
 		}
 	}
diff --git a/source/blender/editors/gpencil/gpencil_paint.c b/source/blender/editors/gpencil/gpencil_paint.c
index c13feec5785..2a4b583276e 100644
--- a/source/blender/editors/gpencil/gpencil_paint.c
+++ b/source/blender/editors/gpencil/gpencil_paint.c
@@ -1131,7 +1131,7 @@ static void gp_paint_initstroke (tGPsdata *p, short paintmode)
 
 			/* for camera view set the subrect */
 			if (rv3d->persp == RV3D_CAMOB) {
-				view3d_calc_camera_border(p->scene, p->ar, NULL, v3d, &p->subrect_data, -1); /* negative shift */
+				ED_view3d_calc_camera_border(p->scene, p->ar, v3d, NULL, &p->subrect_data, -1); /* negative shift */
 				p->subrect= &p->subrect_data;
 			}
 		}
diff --git a/source/blender/editors/include/ED_view3d.h b/source/blender/editors/include/ED_view3d.h
index 2f99cf16093..028ba503dba 100644
--- a/source/blender/editors/include/ED_view3d.h
+++ b/source/blender/editors/include/ED_view3d.h
@@ -147,17 +147,19 @@ void ED_view3d_win_to_ray(struct ARegion *ar, struct View3D *v3d, const float mv
  */
 void ED_view3d_global_to_vector(struct RegionView3D *rv3d, const float coord[3], float vec[3]);
 
+#if 0 /* UNUSED */
 void view3d_unproject(struct bglMats *mats, float out[3], const short x, const short y, const float z);
+#endif
 
 /* Depth buffer */
-void view3d_update_depths(struct ARegion *ar);
-float read_cached_depth(struct ViewContext *vc, int x, int y);
-void request_depth_update(struct RegionView3D *rv3d);
+void ED_view3d_depth_update(struct ARegion *ar);
+float ED_view3d_depth_read_cached(struct ViewContext *vc, int x, int y);
+void ED_view3d_depth_tag_update(struct RegionView3D *rv3d);
 
 /* Projection */
 #define IS_CLIPPED        12000
 
-void view3d_calculate_clipping(struct BoundBox *bb, float planes[4][4], struct bglMats *mats, struct rcti *rect);
+void ED_view3d_calc_clipping(struct BoundBox *bb, float planes[4][4], struct bglMats *mats, struct rcti *rect);
 
 void project_short(struct ARegion *ar, const float vec[3], short adr[2]);
 void project_short_noclip(struct ARegion *ar, const float vec[3], short adr[2]);
@@ -168,12 +170,12 @@ void project_int_noclip(struct ARegion *ar, const float vec[3], int adr[2]);
 void project_float(struct ARegion *ar, const float vec[3], float adr[2]);
 void project_float_noclip(struct ARegion *ar, const float vec[3], float adr[2]);
 
-void get_object_clip_range(struct Object *ob, float *lens, float *clipsta, float *clipend);
-int get_view3d_cliprange(struct View3D *v3d, struct RegionView3D *rv3d, float *clipsta, float *clipend);
-int get_view3d_viewplane(struct View3D *v3d, struct RegionView3D *rv3d, int winxi, int winyi, struct rctf *viewplane, float *clipsta, float *clipend, float *pixsize);
-void view3d_get_object_project_mat(struct RegionView3D *v3d, struct Object *ob, float pmat[4][4]);
-void view3d_project_float(struct ARegion *a, const float vec[3], float adr[2], float mat[4][4]);
-void view3d_calc_camera_border(struct Scene *scene, struct ARegion *ar, struct RegionView3D *rv3d, struct View3D *v3d, struct rctf *viewborder_r, short do_shift);
+void ED_view3d_ob_clip_range_get(struct Object *ob, float *lens, float *clipsta, float *clipend);
+int ED_view3d_clip_range_get(struct View3D *v3d, struct RegionView3D *rv3d, float *clipsta, float *clipend);
+int ED_view3d_viewplane_get(struct View3D *v3d, struct RegionView3D *rv3d, int winxi, int winyi, struct rctf *viewplane, float *clipsta, float *clipend, float *pixsize);
+void ED_view3d_ob_project_mat_get(struct RegionView3D *v3d, struct Object *ob, float pmat[4][4]);
+void ED_view3d_project_float(struct ARegion *a, const float vec[3], float adr[2], float mat[4][4]);
+void ED_view3d_calc_camera_border(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, struct RegionView3D *rv3d, struct rctf *viewborder_r, short do_shift);
 
 /* drawobject.c iterators */
 void mesh_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct EditVert *eve, int x, int y, int index), void *userData, int clipVerts);
@@ -183,9 +185,9 @@ void nurbs_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData
 void lattice_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct BPoint *bp, int x, int y), void *userData);
 
 void ED_view3d_local_clipping(struct RegionView3D *rv3d, float mat[][4]);
-int view3d_test_clipping(struct RegionView3D *rv3d, const float vec[3], const int local);
-void view3d_align_axis_to_vector(struct View3D *v3d, struct RegionView3D *rv3d, int axisidx, float vec[3]);
-float view3d_pixel_size(struct RegionView3D *rv3d, const float co[3]);
+int ED_view3d_test_clipping(struct RegionView3D *rv3d, const float vec[3], const int local);
+void ED_view3d_align_axis_to_vector(struct View3D *v3d, struct RegionView3D *rv3d, int axisidx, float vec[3]);
+float ED_view3d_pixel_size(struct RegionView3D *rv3d, const float co[3]);
 
 void drawcircball(int mode, const float cent[3], float rad, float tmat[][4]);
 
diff --git a/source/blender/editors/mesh/editmesh_mods.c b/source/blender/editors/mesh/editmesh_mods.c
index bd49fab1de1..18f3b807f86 100644
--- a/source/blender/editors/mesh/editmesh_mods.c
+++ b/source/blender/editors/mesh/editmesh_mods.c
@@ -504,7 +504,7 @@ static void findnearestedge__doClosest(void *userData, EditEdge *eed, int x0, in
 			vec[1]= eed->v1->co[1] + labda*(eed->v2->co[1] - eed->v1->co[1]);
 			vec[2]= eed->v1->co[2] + labda*(eed->v2->co[2] - eed->v1->co[2]);
 
-			if(view3d_test_clipping(data->vc.rv3d, vec, 1)==0) {
+			if(ED_view3d_test_clipping(data->vc.rv3d, vec, 1)==0) {
 				data->dist = distance;
 				data->closest = eed;
 			}
diff --git a/source/blender/editors/mesh/editmesh_tools.c b/source/blender/editors/mesh/editmesh_tools.c
index 11e7d64c667..dfd1ac730ac 100644
--- a/source/blender/editors/mesh/editmesh_tools.c
+++ b/source/blender/editors/mesh/editmesh_tools.c
@@ -4871,8 +4871,8 @@ static float mesh_rip_edgedist(ARegion *ar, float mat[][4], float *co1, float *c
 {
 	float vec1[3], vec2[3], mvalf[2];
 
-	view3d_project_float(ar, co1, vec1, mat);
-	view3d_project_float(ar, co2, vec2, mat);
+	ED_view3d_project_float(ar, co1, vec1, mat);
+	ED_view3d_project_float(ar, co2, vec2, mat);
 	mvalf[0]= (float)mval[0];
 	mvalf[1]= (float)mval[1];
 
@@ -4916,7 +4916,7 @@ static int mesh_rip_invoke(bContext *C, wmOperator *op, wmEvent *event)
 	/* select flush... vertices are important */
 	EM_selectmode_set(em);
 
-	view3d_get_object_project_mat(rv3d, obedit, projectMat);
+	ED_view3d_ob_project_mat_get(rv3d, obedit, projectMat);
 
 	/* find best face, exclude triangles and break on face select or faces with 2 edges select */
 	mindist= 1000000.0f;
@@ -4933,7 +4933,7 @@ static int mesh_rip_invoke(bContext *C, wmOperator *op, wmEvent *event)
 
 			if(totsel>1)
 				break;
-			view3d_project_float(ar, efa->cent, vec, projectMat);
+			ED_view3d_project_float(ar, efa->cent, vec, projectMat);
 			dist= sqrt( (vec[0]-mval[0])*(vec[0]-mval[0]) + (vec[1]-mval[1])*(vec[1]-mval[1]) );
 			if(dist<mindist) {
 				mindist= dist;
diff --git a/source/blender/editors/physics/particle_edit.c b/source/blender/editors/physics/particle_edit.c
index 79d01e0a61d..fa458f4096d 100644
--- a/source/blender/editors/physics/particle_edit.c
+++ b/source/blender/editors/physics/particle_edit.c
@@ -385,7 +385,7 @@ static void PE_set_view3d_data(bContext *C, PEData *data)
 			/* we may need to force an update here by setting the rv3d as dirty
 			 * for now it seems ok, but take care!:
 			 * rv3d->depths->dirty = 1; */
-			view3d_update_depths(data->vc.ar);
+			ED_view3d_depth_update(data->vc.ar);
 		}
 	}
 }
diff --git a/source/blender/editors/render/render_opengl.c b/source/blender/editors/render/render_opengl.c
index 0a279e412f6..98463ce955f 100644
--- a/source/blender/editors/render/render_opengl.c
+++ b/source/blender/editors/render/render_opengl.c
@@ -149,7 +149,7 @@ static void screen_opengl_render_apply(OGLRender *oglrender)
 			rctf viewplane;
 			float clipsta, clipend;
 
-			int is_ortho= get_view3d_viewplane(v3d, rv3d, sizex, sizey, &viewplane, &clipsta, &clipend, NULL);
+			int is_ortho= ED_view3d_viewplane_get(v3d, rv3d, sizex, sizey, &viewplane, &clipsta, &clipend, NULL);
 			if(is_ortho) orthographic_m4(winmat, viewplane.xmin, viewplane.xmax, viewplane.ymin, viewplane.ymax, -clipend, clipend);
 			else  perspective_m4(winmat, viewplane.xmin, viewplane.xmax, viewplane.ymin, viewplane.ymax, clipsta, clipend);
 		}
diff --git a/source/blender/editors/sculpt_paint/paint_image.c b/source/blender/editors/sculpt_paint/paint_image.c
index 2b0da72c2a1..db0d2314ad0 100644
--- a/source/blender/editors/sculpt_paint/paint_image.c
+++ b/source/blender/editors/sculpt_paint/paint_image.c
@@ -766,7 +766,7 @@ static int project_paint_occlude_ptv_clip(
 	if (side)	interp_v3_v3v3v3(wco, ps->dm_mvert[mf->v1].co, ps->dm_mvert[mf->v3].co, ps->dm_mvert[mf->v4].co, w);
 	else		interp_v3_v3v3v3(wco, ps->dm_mvert[mf->v1].co, ps->dm_mvert[mf->v2].co, ps->dm_mvert[mf->v3].co, w);
 	
-	if(!view3d_test_clipping(ps->rv3d, wco, 1)) {
+	if(!ED_view3d_test_clipping(ps->rv3d, wco, 1)) {
 		return 1;
 	}
 	
@@ -2349,7 +2349,7 @@ static void project_paint_face_init(const ProjPaintState *ps, const int thread_i
 						/* a pitty we need to get the worldspace pixel location here */
 						if(do_clip) {
 							interp_v3_v3v3v3(wco, ps->dm_mvert[ (*(&mf->v1 + i1)) ].co, ps->dm_mvert[ (*(&mf->v1 + i2)) ].co, ps->dm_mvert[ (*(&mf->v1 + i3)) ].co, w);
-							if(view3d_test_clipping(ps->rv3d, wco, 1)) {
+							if(ED_view3d_test_clipping(ps->rv3d, wco, 1)) {
 								continue; /* Watch out that no code below this needs to run */
 							}
 						}
@@ -2572,7 +2572,7 @@ static void project_paint_face_init(const ProjPaintState *ps, const int thread_i
 												if (side)	interp_v3_v3v3v3(wco, ps->dm_mvert[mf->v1].co, ps->dm_mvert[mf->v3].co, ps->dm_mvert[mf->v4].co, w);
 												else		interp_v3_v3v3v3(wco, ps->dm_mvert[mf->v1].co, ps->dm_mvert[mf->v2].co, ps->dm_mvert[mf->v3].co, w);
 
-												if(view3d_test_clipping(ps->rv3d, wco, 1)) {
+												if(ED_view3d_test_clipping(ps->rv3d, wco, 1)) {
 													continue; /* Watch out that no code below this needs to run */
 												}
 											}
@@ -2814,7 +2814,7 @@ static void project_paint_delayed_face_init(ProjPaintState *ps, const MFace *mf,
 
 static int project_paint_view_clip(View3D *v3d, RegionView3D *rv3d, float *clipsta, float *clipend)
 {
-	int orth= get_view3d_cliprange(v3d, rv3d, clipsta, clipend);
+	int orth= ED_view3d_clip_range_get(v3d, rv3d, clipsta, clipend);
 
 	if (orth) { /* only needed for ortho */
 		float fac = 2.0f / ((*clipend) - (*clipsta));
@@ -2953,7 +2953,7 @@ static void project_paint_begin(ProjPaintState *ps)
 			copy_m4_m4(viewmat, ps->rv3d->viewmat);
 			copy_m4_m4(viewinv, ps->rv3d->viewinv);
 
-			view3d_get_object_project_mat(ps->rv3d, ps->ob, ps->projectMat);
+			ED_view3d_ob_project_mat_get(ps->rv3d, ps->ob, ps->projectMat);
 
 			ps->is_ortho= project_paint_view_clip(ps->v3d, ps->rv3d, &ps->clipsta, &ps->clipend);
 		}
diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c
index fa9f2fd340e..20e74702067 100644
--- a/source/blender/editors/sculpt_paint/sculpt.c
+++ b/source/blender/editors/sculpt_paint/sculpt.c
@@ -281,7 +281,7 @@ static int sculpt_get_redraw_rect(ARegion *ar, RegionView3D *rv3d,
 	float bb_min[3], bb_max[3], pmat[4][4];
 	int i, j, k;
 
-	view3d_get_object_project_mat(rv3d, ob, pmat);
+	ED_view3d_ob_project_mat_get(rv3d, ob, pmat);
 
 	if(!pbvh)
 		return 0;
@@ -301,7 +301,7 @@ static int sculpt_get_redraw_rect(ARegion *ar, RegionView3D *rv3d,
 				vec[0] = i ? bb_min[0] : bb_max[0];
 				vec[1] = j ? bb_min[1] : bb_max[1];
 				vec[2] = k ? bb_min[2] : bb_max[2];
-				view3d_project_float(ar, vec, proj, pmat);
+				ED_view3d_project_float(ar, vec, proj, pmat);
 				rect->xmin = MIN2(rect->xmin, proj[0]);
 				rect->xmax = MAX2(rect->xmax, proj[0]);
 				rect->ymin = MIN2(rect->ymin, proj[1]);
@@ -357,7 +357,7 @@ void sculpt_get_redraw_planes(float planes[4][4], ARegion *ar,
 	rect.ymax -= 2;
 #endif
 
-	view3d_calculate_clipping(&bb, planes, &mats, &rect);
+	ED_view3d_calc_clipping(&bb, planes, &mats, &rect);
 	mul_m4_fl(planes, -1.0f);
 
 	/* clear redraw flag from nodes */
diff --git a/source/blender/editors/space_view3d/drawobject.c b/source/blender/editors/space_view3d/drawobject.c
index e88ee7dd69a..ccfc45826cf 100644
--- a/source/blender/editors/space_view3d/drawobject.c
+++ b/source/blender/editors/space_view3d/drawobject.c
@@ -147,7 +147,7 @@ static void view3d_project_short_clip(ARegion *ar, float *vec, short *adr, int l
 	
 	/* clipplanes in eye space */
 	if(rv3d->rflag & RV3D_CLIPPING) {
-		if(view3d_test_clipping(rv3d, vec, local))
+		if(ED_view3d_test_clipping(rv3d, vec, local))
 			return;
 	}
 	
@@ -630,7 +630,7 @@ void drawcircball(int mode, const float cent[3], float rad, float tmat[][4])
 /* circle for object centers, special_color is for library or ob users */
 static void drawcentercircle(View3D *v3d, RegionView3D *rv3d, const float co[3], int selstate, int special_color)
 {
-	const float size= view3d_pixel_size(rv3d, co) * (float)U.obcenter_dia * 0.5f;
+	const float size= ED_view3d_pixel_size(rv3d, co) * (float)U.obcenter_dia * 0.5f;
 
 	/* using gldepthfunc guarantees that it does write z values, but not checks for it, so centers remain visible independt order of drawing */
 	if(v3d->zbuf)  glDepthFunc(GL_ALWAYS);
@@ -1015,7 +1015,7 @@ static void draw_transp_spot_volume(Lamp *la, float x, float z)
 static void drawlamp(Scene *scene, View3D *v3d, RegionView3D *rv3d, Base *base, int dt, int flag)
 {
 	Object *ob= base->object;
-	const float pixsize= view3d_pixel_size(rv3d, ob->obmat[3]);
+	const float pixsize= ED_view3d_pixel_size(rv3d, ob->obmat[3]);
 	Lamp *la= ob->data;
 	float vec[3], lvec[3], vvec[3], circrad, x,y,z;
 	float lampsize;
@@ -2886,7 +2886,7 @@ static int draw_mesh_object(Scene *scene, ARegion *ar, View3D *v3d, RegionView3D
 	}
 	else {
 		/* don't create boundbox here with mesh_get_bb(), the derived system will make it, puts deformed bb's OK */
-		if(me->totface<=4 || boundbox_clip(rv3d, ob->obmat, (ob->bb)? ob->bb: me->bb)) {
+		if(me->totface<=4 || ED_view3d_boundbox_clip(rv3d, ob->obmat, (ob->bb)? ob->bb: me->bb)) {
 			glsl = draw_glsl_material(scene, ob, v3d, dt);
 			check_alpha = check_material_alpha(base, me, glsl);
 
@@ -3672,7 +3672,7 @@ static void draw_new_particle_system(Scene *scene, View3D *v3d, RegionView3D *rv
 		case PART_DRAW_CROSS:
 		case PART_DRAW_AXIS:
 			/* lets calculate the scale: */
-			pixsize= view3d_pixel_size(rv3d, ob->obmat[3]);
+			pixsize= ED_view3d_pixel_size(rv3d, ob->obmat[3]);
 			
 			if(part->draw_size==0.0)
 				pixsize *= 2.0f;
@@ -5522,7 +5522,7 @@ static void drawObjectSelect(Scene *scene, View3D *v3d, ARegion *ar, Base *base)
 			hasfaces= displist_has_faces(&ob->disp);
 		}
 
-		if (hasfaces && boundbox_clip(rv3d, ob->obmat, ob->bb ? ob->bb : cu->bb)) {
+		if (hasfaces && ED_view3d_boundbox_clip(rv3d, ob->obmat, ob->bb ? ob->bb : cu->bb)) {
 			draw_index_wire= 0;
 			if (dm) {
 				draw_mesh_object_outline(v3d, ob, dm);
@@ -5575,7 +5575,7 @@ static void drawWireExtra(Scene *scene, RegionView3D *rv3d, Object *ob)
 	
 	if (ELEM3(ob->type, OB_FONT, OB_CURVE, OB_SURF)) {
 		Curve *cu = ob->data;
-		if (boundbox_clip(rv3d, ob->obmat, ob->bb ? ob->bb : cu->bb)) {
+		if (ED_view3d_boundbox_clip(rv3d, ob->obmat, ob->bb ? ob->bb : cu->bb)) {
 			if (ob->type==OB_CURVE)
 				draw_index_wire= 0;
 
@@ -6010,7 +6010,7 @@ void draw_object(Scene *scene, ARegion *ar, View3D *v3d, Base *base, int flag)
 				if((v3d->flag2 & V3D_RENDER_OVERRIDE && v3d->drawtype >= OB_WIRE)==0)
 					draw_bounding_volume(scene, ob);
 			}
-			else if(boundbox_clip(rv3d, ob->obmat, ob->bb ? ob->bb : cu->bb))
+			else if(ED_view3d_boundbox_clip(rv3d, ob->obmat, ob->bb ? ob->bb : cu->bb))
 				empty_object= drawDispList(scene, v3d, rv3d, base, dt);
 
 			break;
@@ -6026,7 +6026,7 @@ void draw_object(Scene *scene, ARegion *ar, View3D *v3d, Base *base, int flag)
 				if((v3d->flag2 & V3D_RENDER_OVERRIDE && v3d->drawtype >= OB_WIRE)==0)
 					draw_bounding_volume(scene, ob);
 			}
-			else if(boundbox_clip(rv3d, ob->obmat, ob->bb ? ob->bb : cu->bb)) {
+			else if(ED_view3d_boundbox_clip(rv3d, ob->obmat, ob->bb ? ob->bb : cu->bb)) {
 				empty_object= drawDispList(scene, v3d, rv3d, base, dt);
 
 //XXX old animsys				if(cu->path)
diff --git a/source/blender/editors/space_view3d/view3d_draw.c b/source/blender/editors/space_view3d/view3d_draw.c
index adce40f58ce..7e9c219fdaa 100644
--- a/source/blender/editors/space_view3d/view3d_draw.c
+++ b/source/blender/editors/space_view3d/view3d_draw.c
@@ -206,7 +206,7 @@ static int test_clipping(const float vec[3], float clip[][4])
 
 /* for 'local' ED_view3d_local_clipping must run first
  * then all comparisons can be done in localspace */
-int view3d_test_clipping(RegionView3D *rv3d, const float vec[3], const int local)
+int ED_view3d_test_clipping(RegionView3D *rv3d, const float vec[3], const int local)
 {
 	return test_clipping(vec, local ? rv3d->clip_local : rv3d->clip);
 }
@@ -869,7 +869,7 @@ void view3d_viewborder_size_get(Scene *scene, ARegion *ar, float size_r[2])
 	}
 }
 
-void view3d_calc_camera_border(Scene *scene, ARegion *ar, RegionView3D *rv3d, View3D *v3d, rctf *viewborder_r, short do_shift)
+void ED_view3d_calc_camera_border(Scene *scene, ARegion *ar, View3D *v3d, RegionView3D *rv3d, rctf *viewborder_r, short do_shift)
 {
 	const float zoomfac= BKE_screen_view3d_zoom_to_fac((float)rv3d->camzoom);
 	float size[2];
@@ -998,7 +998,7 @@ static void drawviewborder(Scene *scene, ARegion *ar, View3D *v3d)
 	if(v3d->camera->type==OB_CAMERA)
 		ca = v3d->camera->data;
 	
-	view3d_calc_camera_border(scene, ar, rv3d, v3d, &viewborder, FALSE);
+	ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &viewborder, FALSE);
 	/* the offsets */
 	x1= viewborder.xmin;
 	y1= viewborder.ymin;
@@ -1398,7 +1398,7 @@ static void draw_bgpic(Scene *scene, ARegion *ar, View3D *v3d)
 			if(rv3d->persp==RV3D_CAMOB) {
 				rctf vb;
 
-				view3d_calc_camera_border(scene, ar, rv3d, v3d, &vb, FALSE);
+				ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &vb, FALSE);
 
 				x1= vb.xmin;
 				y1= vb.ymin;
@@ -1418,7 +1418,7 @@ static void draw_bgpic(Scene *scene, ARegion *ar, View3D *v3d)
 				asp= ( (float)ibuf->y)/(float)ibuf->x;
 
 				vec[0] = vec[1] = vec[2] = 0.0;
-				view3d_project_float(ar, vec, sco, rv3d->persmat);
+				ED_view3d_project_float(ar, vec, sco, rv3d->persmat);
 				cx = sco[0];
 				cy = sco[1];
 
@@ -1678,7 +1678,7 @@ static void draw_dupli_objects_color(Scene *scene, ARegion *ar, View3D *v3d, Bas
 		}
 		if(use_displist) {
 			glMultMatrixf(dob->mat);
-			if(boundbox_clip(rv3d, dob->mat, &bb))
+			if(ED_view3d_boundbox_clip(rv3d, dob->mat, &bb))
 				glCallList(displist);
 			glLoadMatrixf(rv3d->viewmat);
 		}
@@ -1768,7 +1768,7 @@ void view3d_update_depths_rect(ARegion *ar, ViewDepths *d, rcti *rect)
 }
 
 /* note, with nouveau drivers the glReadPixels() is very slow. [#24339] */
-void view3d_update_depths(ARegion *ar)
+void ED_view3d_depth_update(ARegion *ar)
 {
 	RegionView3D *rv3d= ar->regiondata;
 	
diff --git a/source/blender/editors/space_view3d/view3d_edit.c b/source/blender/editors/space_view3d/view3d_edit.c
index 95e845b3462..ae020b91cdf 100644
--- a/source/blender/editors/space_view3d/view3d_edit.c
+++ b/source/blender/editors/space_view3d/view3d_edit.c
@@ -783,7 +783,7 @@ static int viewrotate_modal(bContext *C, wmOperator *op, wmEvent *event)
 		viewrotate_apply(vod, event->x, event->y);
 	}
 	else if (event_code==VIEW_CONFIRM) {
-		request_depth_update(vod->rv3d);
+		ED_view3d_depth_tag_update(vod->rv3d);
 		viewops_data_free(C, op);
 
 		return OPERATOR_FINISHED;
@@ -831,7 +831,7 @@ static int viewrotate_invoke(bContext *C, wmOperator *op, wmEvent *event)
 	
 	if (event->type == MOUSEPAN) {
 		viewrotate_apply(vod, event->prevx, event->prevy);
-		request_depth_update(rv3d);
+		ED_view3d_depth_tag_update(rv3d);
 		
 		viewops_data_free(C, op);
 		
@@ -840,7 +840,7 @@ static int viewrotate_invoke(bContext *C, wmOperator *op, wmEvent *event)
 	else if (event->type == MOUSEROTATE) {
 		/* MOUSEROTATE performs orbital rotation, so y axis delta is set to 0 */
 		viewrotate_apply(vod, event->prevx, event->y);
-		request_depth_update(rv3d);
+		ED_view3d_depth_tag_update(rv3d);
 		
 		viewops_data_free(C, op);
 		
@@ -986,7 +986,7 @@ static int viewmove_modal(bContext *C, wmOperator *op, wmEvent *event)
 		viewmove_apply(vod, event->x, event->y);
 	}
 	else if (event_code==VIEW_CONFIRM) {
-		request_depth_update(vod->rv3d);
+		ED_view3d_depth_tag_update(vod->rv3d);
 
 		viewops_data_free(C, op);
 
@@ -1006,7 +1006,7 @@ static int viewmove_invoke(bContext *C, wmOperator *op, wmEvent *event)
 
 	if (event->type == MOUSEPAN) {
 		viewmove_apply(vod, event->prevx, event->prevy);
-		request_depth_update(vod->rv3d);
+		ED_view3d_depth_tag_update(vod->rv3d);
 		
 		viewops_data_free(C, op);		
 		
@@ -1224,7 +1224,7 @@ static int viewzoom_modal(bContext *C, wmOperator *op, wmEvent *event)
 		viewzoom_apply(vod, event->x, event->y, U.viewzoom, (U.uiflag & USER_ZOOM_INVERT) != 0);
 	}
 	else if (event_code==VIEW_CONFIRM) {
-		request_depth_update(vod->rv3d);
+		ED_view3d_depth_tag_update(vod->rv3d);
 		viewops_data_free(C, op);
 
 		return OPERATOR_FINISHED;
@@ -1286,7 +1286,7 @@ static int viewzoom_exec(bContext *C, wmOperator *op)
 	if(rv3d->viewlock & RV3D_BOXVIEW)
 		view3d_boxview_sync(sa, ar);
 
-	request_depth_update(rv3d);
+	ED_view3d_depth_tag_update(rv3d);
 
 	ED_view3d_camera_lock_sync(v3d, rv3d);
 
@@ -1329,7 +1329,7 @@ static int viewzoom_invoke(bContext *C, wmOperator *op, wmEvent *event)
 				vod->origy = vod->oldy = vod->origy + event->x - event->prevx;
 				viewzoom_apply(vod, event->prevx, event->prevy, USER_ZOOM_DOLLY, FALSE);
 			}
-			request_depth_update(vod->rv3d);
+			ED_view3d_depth_tag_update(vod->rv3d);
 			
 			viewops_data_free(C, op);
 			return OPERATOR_FINISHED;
@@ -1445,7 +1445,7 @@ static int viewdolly_modal(bContext *C, wmOperator *op, wmEvent *event)
 		viewdolly_apply(vod, event->x, event->y, (U.uiflag & USER_ZOOM_INVERT) != 0);
 	}
 	else if (event_code==VIEW_CONFIRM) {
-		request_depth_update(vod->rv3d);
+		ED_view3d_depth_tag_update(vod->rv3d);
 		viewops_data_free(C, op);
 
 		return OPERATOR_FINISHED;
@@ -1496,7 +1496,7 @@ static int viewdolly_exec(bContext *C, wmOperator *op)
 	if(rv3d->viewlock & RV3D_BOXVIEW)
 		view3d_boxview_sync(sa, ar);
 
-	request_depth_update(rv3d);
+	ED_view3d_depth_tag_update(rv3d);
 	ED_region_tag_redraw(ar);
 
 	viewops_data_free(C, op);
@@ -1543,7 +1543,7 @@ static int viewdolly_invoke(bContext *C, wmOperator *op, wmEvent *event)
 				vod->origy = vod->oldy = vod->origy + event->x - event->prevx;
 				viewdolly_apply(vod, event->prevx, event->prevy, FALSE);
 			}
-			request_depth_update(vod->rv3d);
+			ED_view3d_depth_tag_update(vod->rv3d);
 
 			viewops_data_free(C, op);
 			return OPERATOR_FINISHED;
@@ -1940,7 +1940,7 @@ static int render_border_exec(bContext *C, wmOperator *op)
 	rect.ymax= RNA_int_get(op->ptr, "ymax");
 
 	/* calculate range */
-	view3d_calc_camera_border(scene, ar, rv3d, v3d, &vb, FALSE);
+	ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &vb, FALSE);
 
 	scene->r.border.xmin= ((float)rect.xmin-vb.xmin)/(vb.xmax-vb.xmin);
 	scene->r.border.ymin= ((float)rect.ymin-vb.ymin)/(vb.ymax-vb.ymin);
@@ -2740,7 +2740,7 @@ static int view3d_clipping_exec(bContext *C, wmOperator *op)
 
 	view3d_set_viewcontext(C, &vc);
 	view3d_get_transformation(vc.ar, vc.rv3d, NULL, &mats); /* NULL because we don't want it in object space */
-	view3d_calculate_clipping(rv3d->clipbb, rv3d->clip, &mats, &rect);
+	ED_view3d_calc_clipping(rv3d->clipbb, rv3d->clip, &mats, &rect);
 
 	return OPERATOR_FINISHED;
 }
@@ -3550,7 +3550,7 @@ void ED_view3d_from_object(Object *ob, float ofs[3], float quat[4], float *dist,
 	ED_view3d_from_m4(ob->obmat, ofs, quat, dist);
 
 	if (lens) {
-		get_object_clip_range(ob, lens, NULL, NULL);
+		ED_view3d_ob_clip_range_get(ob, lens, NULL, NULL);
 	}
 }
 
diff --git a/source/blender/editors/space_view3d/view3d_intern.h b/source/blender/editors/space_view3d/view3d_intern.h
index 717e46800b1..f4d198f7515 100644
--- a/source/blender/editors/space_view3d/view3d_intern.h
+++ b/source/blender/editors/space_view3d/view3d_intern.h
@@ -154,9 +154,7 @@ void VIEW3D_OT_localview(struct wmOperatorType *ot);
 void VIEW3D_OT_game_start(struct wmOperatorType *ot);
 
 
-int boundbox_clip(RegionView3D *rv3d, float obmat[][4], struct BoundBox *bb);
-
-void centerview(struct ARegion *ar, View3D *v3d);
+int ED_view3d_boundbox_clip(RegionView3D *rv3d, float obmat[][4], struct BoundBox *bb);
 
 void smooth_view(struct bContext *C, struct View3D *v3d, struct ARegion *ar, struct Object *, struct Object *, float *ofs, float *quat, float *dist, float *lens);
 
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c
index 678ffc09e39..32e8ae81f90 100644
--- a/source/blender/editors/space_view3d/view3d_view.c
+++ b/source/blender/editors/space_view3d/view3d_view.c
@@ -106,7 +106,7 @@ float *give_cursor(Scene *scene, View3D *v3d)
 
 
 /* Gets the lens and clipping values from a camera of lamp type object */
-void get_object_clip_range(Object *ob, float *lens, float *clipsta, float *clipend)
+void ED_view3d_ob_clip_range_get(Object *ob, float *lens, float *clipsta, float *clipend)
 {
 	if(ob->type==OB_LAMP ) {
 		Lamp *la = ob->data;
@@ -463,7 +463,7 @@ void VIEW3D_OT_object_as_camera(wmOperatorType *ot)
 
 /* ********************************** */
 
-void view3d_calculate_clipping(BoundBox *bb, float planes[4][4], bglMats *mats, rcti *rect)
+void ED_view3d_calc_clipping(BoundBox *bb, float planes[4][4], bglMats *mats, rcti *rect)
 {
 	double xs, ys, p[3];
 	short val;
@@ -657,7 +657,7 @@ void ED_view3d_win_to_vector(ARegion *ar, const float mval[2], float out[3])
 	normalize_v3(out);
 }
 
-float read_cached_depth(ViewContext *vc, int x, int y)
+float ED_view3d_depth_read_cached(ViewContext *vc, int x, int y)
 {
 	ViewDepths *vd = vc->rv3d->depths;
 		
@@ -670,13 +670,13 @@ float read_cached_depth(ViewContext *vc, int x, int y)
 		return 1;
 }
 
-void request_depth_update(RegionView3D *rv3d)
+void ED_view3d_depth_tag_update(RegionView3D *rv3d)
 {
 	if(rv3d->depths)
 		rv3d->depths->damaged= 1;
 }
 
-void view3d_get_object_project_mat(RegionView3D *rv3d, Object *ob, float pmat[4][4])
+void ED_view3d_ob_project_mat_get(RegionView3D *rv3d, Object *ob, float pmat[4][4])
 {
 	float vmat[4][4];
 	
@@ -684,6 +684,7 @@ void view3d_get_object_project_mat(RegionView3D *rv3d, Object *ob, float pmat[4]
 	mul_m4_m4m4(pmat, vmat, rv3d->winmat);
 }
 
+#if 0
 /* Uses window coordinates (x,y) and depth component z to find a point in
    modelspace */
 void view3d_unproject(bglMats *mats, float out[3], const short x, const short y, const float z)
@@ -696,9 +697,10 @@ void view3d_unproject(bglMats *mats, float out[3], const short x, const short y,
 	out[1] = uy;
 	out[2] = uz;
 }
+#endif
 
 /* use above call to get projecting mat */
-void view3d_project_float(ARegion *ar, const float vec[3], float adr[2], float mat[4][4])
+void ED_view3d_project_float(ARegion *ar, const float vec[3], float adr[2], float mat[4][4])
 {
 	float vec4[4];
 	
@@ -716,7 +718,7 @@ void view3d_project_float(ARegion *ar, const float vec[3], float adr[2], float m
 	}
 }
 
-int boundbox_clip(RegionView3D *rv3d, float obmat[][4], BoundBox *bb)
+int ED_view3d_boundbox_clip(RegionView3D *rv3d, float obmat[][4], BoundBox *bb)
 {
 	/* return 1: draw */
 	
@@ -759,7 +761,7 @@ void project_short(ARegion *ar, const float vec[3], short adr[2])	/* clips */
 	adr[0]= IS_CLIPPED;
 	
 	if(rv3d->rflag & RV3D_CLIPPING) {
-		if(view3d_test_clipping(rv3d, vec, 0))
+		if(ED_view3d_test_clipping(rv3d, vec, 0))
 			return;
 	}
 	
@@ -896,7 +898,7 @@ void project_float_noclip(ARegion *ar, const float vec[3], float adr[2])
 }
 
 /* copies logic of get_view3d_viewplane(), keep in sync */
-int get_view3d_cliprange(View3D *v3d, RegionView3D *rv3d, float *clipsta, float *clipend)
+int ED_view3d_clip_range_get(View3D *v3d, RegionView3D *rv3d, float *clipsta, float *clipend)
 {
 	int orth= 0;
 
@@ -931,7 +933,7 @@ int get_view3d_cliprange(View3D *v3d, RegionView3D *rv3d, float *clipsta, float
 }
 
 /* also exposed in previewrender.c */
-int get_view3d_viewplane(View3D *v3d, RegionView3D *rv3d, int winxi, int winyi, rctf *viewplane, float *clipsta, float *clipend, float *pixsize)
+int ED_view3d_viewplane_get(View3D *v3d, RegionView3D *rv3d, int winxi, int winyi, rctf *viewplane, float *clipsta, float *clipend, float *pixsize)
 {
 	Camera *cam=NULL;
 	float lens, fac, x1, y1, x2, y2;
@@ -1064,7 +1066,7 @@ void setwinmatrixview3d(ARegion *ar, View3D *v3d, rctf *rect)		/* rect: for pick
 	float clipsta, clipend, x1, y1, x2, y2;
 	int orth;
 	
-	orth= get_view3d_viewplane(v3d, rv3d, ar->winx, ar->winy, &viewplane, &clipsta, &clipend, NULL);
+	orth= ED_view3d_viewplane_get(v3d, rv3d, ar->winx, ar->winy, &viewplane, &clipsta, &clipend, NULL);
 	rv3d->is_persp= !orth;
 
 	//	printf("%d %d %f %f %f %f %f %f\n", winx, winy, viewplane.xmin, viewplane.ymin, viewplane.xmax, viewplane.ymax, clipsta, clipend);
@@ -1775,7 +1777,7 @@ static int game_engine_exec(bContext *C, wmOperator *op)
 
 	if(rv3d->persp==RV3D_CAMOB && startscene->gm.framing.type == SCE_GAMEFRAMING_BARS && startscene->gm.stereoflag != STEREO_DOME) { /* Letterbox */
 		rctf cam_framef;
-		view3d_calc_camera_border(startscene, ar, rv3d, CTX_wm_view3d(C), &cam_framef, FALSE);
+		ED_view3d_calc_camera_border(startscene, ar, CTX_wm_view3d(C), rv3d, &cam_framef, FALSE);
 		cam_frame.xmin = cam_framef.xmin + ar->winrct.xmin;
 		cam_frame.xmax = cam_framef.xmax + ar->winrct.xmin;
 		cam_frame.ymin = cam_framef.ymin + ar->winrct.ymin;
@@ -1873,7 +1875,7 @@ void view3d_align_axis_to_vector(View3D *v3d, RegionView3D *rv3d, int axisidx, f
 	}
 }
 
-float view3d_pixel_size(struct RegionView3D *rv3d, const float co[3])
+float ED_view3d_pixel_size(struct RegionView3D *rv3d, const float co[3])
 {
 	return  (rv3d->persmat[3][3] + (
 				rv3d->persmat[0][3]*co[0] +
diff --git a/source/blender/editors/transform/transform.c b/source/blender/editors/transform/transform.c
index 608ba3fc1f9..27ca345e132 100644
--- a/source/blender/editors/transform/transform.c
+++ b/source/blender/editors/transform/transform.c
@@ -4319,7 +4319,7 @@ static int createSlideVerts(TransInfo *t)
 		/*ok, let's try to survive this*/
 		unit_m4(projectMat);
 	} else {
-		view3d_get_object_project_mat(v3d, t->obedit, projectMat);
+		ED_view3d_ob_project_mat_get(v3d, t->obedit, projectMat);
 	}
 	
 	numsel =0;
@@ -4612,8 +4612,8 @@ static int createSlideVerts(TransInfo *t)
 				}
 				
 				if (v3d) {
-					view3d_project_float(t->ar, tempsv->up->v1->co, co, projectMat);
-					view3d_project_float(t->ar, tempsv->up->v2->co, co2, projectMat);
+					ED_view3d_project_float(t->ar, tempsv->up->v1->co, co, projectMat);
+					ED_view3d_project_float(t->ar, tempsv->up->v2->co, co2, projectMat);
 				}
 
 				if (ev == tempsv->up->v1) {
@@ -4625,8 +4625,8 @@ static int createSlideVerts(TransInfo *t)
 				add_v3_v3(start, tvec);
 
 				if (v3d) {
-					view3d_project_float(t->ar, tempsv->down->v1->co, co, projectMat);
-					view3d_project_float(t->ar, tempsv->down->v2->co, co2, projectMat);
+					ED_view3d_project_float(t->ar, tempsv->down->v1->co, co, projectMat);
+					ED_view3d_project_float(t->ar, tempsv->down->v2->co, co2, projectMat);
 				}
 
 				if (ev == tempsv->down->v1) {
diff --git a/source/blender/editors/transform/transform_manipulator.c b/source/blender/editors/transform/transform_manipulator.c
index b6bb7e54855..65cd285cf48 100644
--- a/source/blender/editors/transform/transform_manipulator.c
+++ b/source/blender/editors/transform/transform_manipulator.c
@@ -1457,7 +1457,7 @@ void BIF_draw_manipulator(const bContext *C)
 			break;
 		}
 
-		mul_mat3_m4_fl(rv3d->twmat, view3d_pixel_size(rv3d, rv3d->twmat[3]) * U.tw_size * 5.0f);
+		mul_mat3_m4_fl(rv3d->twmat, ED_view3d_pixel_size(rv3d, rv3d->twmat[3]) * U.tw_size * 5.0f);
 	}
 
 	test_manipulator_axis(C);
diff --git a/source/blender/editors/transform/transform_snap.c b/source/blender/editors/transform/transform_snap.c
index 6510c9174c6..5c58ca53cb4 100644
--- a/source/blender/editors/transform/transform_snap.c
+++ b/source/blender/editors/transform/transform_snap.c
@@ -162,11 +162,11 @@ void drawSnapping(const struct bContext *C, TransInfo *t)
 			invert_m4_m4(imat, rv3d->viewmat);
 
 			for (p = t->tsnap.points.first; p; p = p->next) {
-				drawcircball(GL_LINE_LOOP, p->co, view3d_pixel_size(rv3d, p->co) * size, imat);
+				drawcircball(GL_LINE_LOOP, p->co, ED_view3d_pixel_size(rv3d, p->co) * size, imat);
 			}
 
 			if (t->tsnap.status & POINT_INIT) {
-				drawcircball(GL_LINE_LOOP, t->tsnap.snapPoint, view3d_pixel_size(rv3d, t->tsnap.snapPoint) * size, imat);
+				drawcircball(GL_LINE_LOOP, t->tsnap.snapPoint, ED_view3d_pixel_size(rv3d, t->tsnap.snapPoint) * size, imat);
 			}
 			
 			/* draw normal if needed */