Fix for bug #5539, brush circle cursor is slow.

source/blender/include/BDR_sculptmode.h

@@ -119,6 +119,7 @@ void sculptmode_propset_init(PropsetMode mode);
 void sculptmode_propset(const unsigned short event);
 void sculptmode_selectbrush_menu();
 void sculptmode_draw_mesh(int);
+void sculpt_paint_brush(char clear);
 
 struct BrushData *sculptmode_brush();
 

source/blender/src/drawview.c

@@ -2787,9 +2787,7 @@ void drawview3dspace(ScrArea *sa, void *spacedata)
 				fdrawXORcirc(pd->origloc[0], pd->origloc[1], r1);
 			fdrawXORcirc(pd->origloc[0], pd->origloc[1], r2);
 		} else {
-			short c[2];
-			getmouseco_areawin(c);
-			fdrawXORcirc((float)c[0], (float)c[1], sculptmode_brush()->size);
+			sculpt_paint_brush(1);
 		}
 	}
 	retopo_draw_paint_lines();

source/blender/src/sculptmode.c

@@ -68,6 +68,7 @@
 #include "BKE_utildefines.h"
 
 #include "BIF_editkey.h"
+#include "BIF_editview.h"
 #include "BIF_glutil.h"
 #include "BIF_gl.h"
 #include "BIF_interface.h"
@@ -1538,6 +1539,24 @@ void sculptmode_propset_init(PropsetMode mode)
 	allqueue(REDRAWVIEW3D, 0);
 }
 
+void sculpt_paint_brush(char clear)
+{
+	static short mvalo[2];
+	short mval[2];
+	const short rad= sculptmode_brush()->size;
+
+	getmouseco_areawin(mval);
+	
+	persp(PERSP_WIN);
+	if(clear)
+		fdrawXORcirc(mval[0], mval[1], rad);
+	else
+		draw_sel_circle(mval, mvalo, rad, rad, 0);
+	
+	mvalo[0]= mval[0];
+	mvalo[1]= mval[1];
+}
+
 void sculptmode_propset(unsigned short event)
 {
 	PropsetData *pd= sculpt_session()->propset;
@@ -1891,9 +1910,7 @@ void sculpt()
 				glEnable(GL_SCISSOR_TEST);
 				
 				/* Draw cursor */
-				persp(PERSP_WIN);
-				glDisable(GL_DEPTH_TEST);
-				fdrawXORcirc((float)mouse[0],(float)mouse[1],sculptmode_brush()->size);
+				sculpt_paint_brush(1);
 				
 				myswapbuffers();
 			}

source/blender/src/space.c

@@ -1052,8 +1052,6 @@ static void winqreadview3dspace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 	if(val) {
 
 		if( uiDoBlocks(&curarea->uiblocks, event)!=UI_NOTHING ) event= 0;
-
-		//if(event==MOUSEY || event==MOUSEX) return;
 		
 		if(event==UI_BUT_EVENT) do_butspace(val); /* temporal, view3d deserves own queue? */
 		
@@ -1075,7 +1073,7 @@ static void winqreadview3dspace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 				}
 				else if(event!=LEFTMOUSE && event!=MIDDLEMOUSE && (event==MOUSEY || event==MOUSEX)) {
 					if(!bwin_qtest(sa->win))
-						allqueue(REDRAWVIEW3D, 0);
+						sculpt_paint_brush(0);
 				}
 			}