AFAIK... last issue with new Z-culling selection.

Since the new menu system draws in backbuffer, the selectionbuffer then
needs a refresh after. Solved by nicely signalling stuff.

4 files changed, 18 insertions, 5 deletions

diff --git a/source/blender/src/drawview.c b/source/blender/src/drawview.c
index 2599ac23c8d..38a59263bac 100644
--- a/source/blender/src/drawview.c
+++ b/source/blender/src/drawview.c
@@ -921,7 +921,7 @@ void backdrawview3d(int test)
 		}
 	}
 	persp(PERSP_VIEW);
-	
+
 #ifdef __APPLE__
 	glDrawBuffer(GL_AUX0);
 #endif	
diff --git a/source/blender/src/editmesh_mods.c b/source/blender/src/editmesh_mods.c
index 837aa625915..2bd8880ef18 100644
--- a/source/blender/src/editmesh_mods.c
+++ b/source/blender/src/editmesh_mods.c
@@ -87,8 +87,9 @@ editmesh_mods.c, UI level access, no geometry changes
 #include "BDR_drawobject.h"
 #include "BDR_editobject.h"
 
-#include "BSE_view.h"
+#include "BSE_drawview.h"
 #include "BSE_edit.h"
+#include "BSE_view.h"
 
 #include "IMB_imbuf.h"
 
@@ -103,16 +104,24 @@ editmesh_mods.c, UI level access, no geometry changes
 
 int em_solidoffs=0, em_wireoffs=0, em_vertoffs;	// set in drawobject.c ... for colorindices
 
+static void check_backbuf(void)
+{
+	if(G.vd->flag & V3D_NEEDBACKBUFDRAW) {
+		backdrawview3d(0);
+	}
+}
+
 /* samples a single pixel (copied from vpaint) */
 static unsigned int sample_backbuf(int x, int y)
 {
 	unsigned int col;
 	
 	if(x>=curarea->winx || y>=curarea->winy) return 0;
-	
 	x+= curarea->winrct.xmin;
 	y+= curarea->winrct.ymin;
 	
+	check_backbuf(); // actually not needed for apple
+
 #ifdef __APPLE__
 	glReadBuffer(GL_AUX0);
 #endif
@@ -141,6 +150,8 @@ static unsigned int *read_backbuf(short xmin, short ymin, short xmax, short ymax
 	if(yminc > ymaxc) return NULL;
 	
 	buf= MEM_mallocN( (xmaxc-xminc+1)*(ymaxc-yminc+1)*sizeof(int), "sample rect");
+
+	check_backbuf(); // actually not needed for apple
 	
 #ifdef __APPLE__
 	glReadBuffer(GL_AUX0);
diff --git a/source/blender/src/editscreen.c b/source/blender/src/editscreen.c
index 8dfea4ff602..a7f2dc197de 100644
--- a/source/blender/src/editscreen.c
+++ b/source/blender/src/editscreen.c
@@ -598,6 +598,10 @@ void markdirty_all_back(void)
 			sa->head_swap &= ~WIN_BACK_OK;
 		}
 	}
+	
+	/* if needed; backbuffer selection redraw */
+	if(G.vd) G.vd->flag |= V3D_NEEDBACKBUFDRAW;
+
 }
 
 void markdirty_win_back(short winid)
diff --git a/source/blender/src/interface.c b/source/blender/src/interface.c
index 910398bb67b..ce2c6f8d512 100644
--- a/source/blender/src/interface.c
+++ b/source/blender/src/interface.c
@@ -331,8 +331,6 @@ static void ui_end_overdraw(uiOverDraw *od)
 	MEM_freeN(od);
 
 	markdirty_all_back();	// sets flags only
-	
-	/* todo; backbuffer selection redraw */
 }
 
 /* ****************** live updates for hilites and button presses *********** */