IRC report fix:

- Halos were not sorted, for ages! Meaning that they were rendered in order
  of creation, instead of back to front.
- Made ESC testing for halo render to check per halo, is a fast routine now
  anyway.

source/blender/render/intern/source/rendercore.c

@@ -498,10 +498,8 @@ static void halo_tile(RenderPart *pa, float *pass, unsigned int lay)
 	}
 	
 	for(a=0; a<R.tothalo; a++) {
-		if((a & 255)==0) {
-			if(R.test_break() ) break; 
+		if((a & 255)==0)
 			har= R.bloha[a>>8];
-		}
 		else har++;
 
 		/* layer test, clip halo with y */
@@ -555,6 +553,7 @@ static void halo_tile(RenderPart *pa, float *pass, unsigned int lay)
 				}
 			}
 		}
+		if(R.test_break() ) break; 
 	}
 }
 

source/blender/render/intern/source/renderdatabase.c

@@ -391,20 +391,20 @@ HaloRen *RE_inithalo(Render *re, Material *ma,   float *vec,   float *vec1,
 	VECCOPY(har->co, vec);
 	har->hasize= hasize;
 
-	/* actual projectvert is done in function transform_renderdata() because of parts/border/pano */
-
+	/* actual projectvert is done in function project_renderdata() because of parts/border/pano */
+	/* we do it here for sorting of halos */
+	zn= hoco[3];
+	har->xs= 0.5*re->winx*(hoco[0]/zn);
+	har->ys= 0.5*re->winy*(hoco[1]/zn);
+	har->zs= 0x7FFFFF*(hoco[2]/zn);
+	
+	har->zBufDist = 0x7FFFFFFF*(hoco[2]/zn); 
+	
 	/* halovect */
 	if(vec1) {
 
 		har->type |= HA_VECT;
 
-		zn= hoco[3];
-		har->xs= 0.5*re->winx*(hoco[0]/zn);
-		har->ys= 0.5*re->winy*(hoco[1]/zn);
-		har->zs= 0x7FFFFF*(hoco[2]/zn);
-
-		har->zBufDist = 0x7FFFFFFF*(hoco[2]/zn); 
-
 		xn=  har->xs - 0.5*re->winx*(hoco1[0]/hoco1[3]);
 		yn=  har->ys - 0.5*re->winy*(hoco1[1]/hoco1[3]);
 		if(xn==0.0 || (xn==0.0 && yn==0.0)) zn= 0.0;