2.5 Paint:

* Evil backbuf drawing strikes again. In paint modes, it was causing the tool panel to flash black, bad glScissor.

3 files changed, 6 insertions, 1 deletions

diff --git a/source/blender/editors/include/ED_screen.h b/source/blender/editors/include/ED_screen.h
index 6cb7593e07d..22a3e737277 100644
--- a/source/blender/editors/include/ED_screen.h
+++ b/source/blender/editors/include/ED_screen.h
@@ -58,6 +58,7 @@ void	ED_region_panels_init(struct wmWindowManager *wm, struct ARegion *ar);
 void	ED_region_panels(const struct bContext *C, struct ARegion *ar, int vertical, char *context, int contextnr);
 void	ED_region_header_init(struct ARegion *ar);
 void	ED_region_header(const struct bContext *C, struct ARegion *ar);
+void	region_scissor_winrct(struct ARegion *ar, struct rcti *winrct);
 
 /* spaces */
 void	ED_spacetypes_init(void);
diff --git a/source/blender/editors/screen/area.c b/source/blender/editors/screen/area.c
index ea1541a4e02..320574fe8b3 100644
--- a/source/blender/editors/screen/area.c
+++ b/source/blender/editors/screen/area.c
@@ -249,7 +249,7 @@ void ED_area_overdraw(bContext *C)
 }
 
 /* get scissor rect, checking overlapping regions */
-static void region_scissor_winrct(ARegion *ar, rcti *winrct)
+void region_scissor_winrct(ARegion *ar, rcti *winrct)
 {
 	*winrct= ar->winrct;
 	
diff --git a/source/blender/editors/space_view3d/view3d_draw.c b/source/blender/editors/space_view3d/view3d_draw.c
index 3140ae76d4b..905657910b8 100644
--- a/source/blender/editors/space_view3d/view3d_draw.c
+++ b/source/blender/editors/space_view3d/view3d_draw.c
@@ -1092,6 +1092,7 @@ void backdrawview3d(Scene *scene, ARegion *ar, View3D *v3d)
 {
 	RegionView3D *rv3d= ar->regiondata;
 	struct Base *base = scene->basact;
+	rcti winrct;
 
 /*for 2.43 release, don't use glext and just define the constant.
   this to avoid possibly breaking platforms before release.*/
@@ -1137,6 +1138,9 @@ void backdrawview3d(Scene *scene, ARegion *ar, View3D *v3d)
 	
 	glDisable(GL_DITHER);
 
+	region_scissor_winrct(ar, &winrct);
+	glScissor(winrct.xmin, winrct.ymin, winrct.xmax - winrct.xmin, winrct.ymax - winrct.ymin);
+
 	glClearColor(0.0, 0.0, 0.0, 0.0); 
 	if(v3d->zbuf) {
 		glEnable(GL_DEPTH_TEST);