# HG changeset patch
# User nkeynes
# Date 1218151954 0
# Node ID 92b518a2e915677f467abd6b7ef7b537224ad69c
# Parent  0d1be79c9b3307a1cc28555c987e446d2595ae98
Unroll first iteration of the bounding loop in ta_commit_polygon - more to
remove the compiler warnings than for performance really.

--- a/src/pvr2/tacore.c	Mon Aug 04 06:00:11 2008 +0000
+++ b/src/pvr2/tacore.c	Thu Aug 07 23:32:34 2008 +0000
@@ -525,22 +525,24 @@
      * as the overall polygon.
      */
 
-    for( i=0; i<ta_status.vertex_count-2; i++ ) {
+    triangle_bound[0].x1 = MIN3(tx[0],tx[1],tx[2]);
+    triangle_bound[0].x2 = MAX3(tx[0],tx[1],tx[2]);
+    triangle_bound[0].y1 = MIN3(ty[0],ty[1],ty[2]);
+    triangle_bound[0].y2 = MAX3(ty[0],ty[1],ty[2]);
+    polygon_bound.x1 = triangle_bound[0].x1;
+    polygon_bound.y1 = triangle_bound[0].y1;
+    polygon_bound.x2 = triangle_bound[0].x2;
+    polygon_bound.y2 = triangle_bound[0].y2;
+
+    for( i=1; i<ta_status.vertex_count-2; i++ ) {
         triangle_bound[i].x1 = MIN3(tx[i],tx[i+1],tx[i+2]);
         triangle_bound[i].x2 = MAX3(tx[i],tx[i+1],tx[i+2]);
         triangle_bound[i].y1 = MIN3(ty[i],ty[i+1],ty[i+2]);
         triangle_bound[i].y2 = MAX3(ty[i],ty[i+1],ty[i+2]);
-        if( i == 0 ) {
-            polygon_bound.x1 = triangle_bound[0].x1;
-            polygon_bound.y1 = triangle_bound[0].y1;
-            polygon_bound.x2 = triangle_bound[0].x2;
-            polygon_bound.y2 = triangle_bound[0].y2;
-        } else {
-            polygon_bound.x1 = MIN(polygon_bound.x1, triangle_bound[i].x1);
-            polygon_bound.x2 = MAX(polygon_bound.x2, triangle_bound[i].x2);
-            polygon_bound.y1 = MIN(polygon_bound.y1, triangle_bound[i].y1);
-            polygon_bound.y2 = MAX(polygon_bound.y2, triangle_bound[i].y2);
-        }
+        polygon_bound.x1 = MIN(polygon_bound.x1, triangle_bound[i].x1);
+        polygon_bound.x2 = MAX(polygon_bound.x2, triangle_bound[i].x2);
+        polygon_bound.y1 = MIN(polygon_bound.y1, triangle_bound[i].y1);
+        polygon_bound.y2 = MAX(polygon_bound.y2, triangle_bound[i].y2);
     }
 
     /* Clamp the polygon bounds to the frustum */