sync

Author: jcupitt

TODO

@@ -1,3 +1,18 @@
+- nip4 ~/pics/a1.bmp, free rotate, open imagewindow, drag slider
+
+	updates often hitch badly, what's it doing?
+
+	perhaps it's not discarding out of date updates quickly enough?
+
+	test nip2 on the same task
+
+		always seems to be making useful pixels
+
+  in nip4, drag alisder a lot, end on -61, open image view window, never
+  updates
+
+	you need to press 1, wait for update, then press 0 to see anything
+
 - check all batch mode flags
 
 - try to save and restore image view scale and position

src/tile.c

@@ -146,7 +146,7 @@ tile_get_texture(Tile *tile)
 	 *
 	 *	2. Wrap a pixbuf around that copy.
 	 *
-	 *	3. Tag it as a texture that may need upload tyo the GPU.
+	 *	3. Tag it as a texture that may need upload to the GPU.
 	 */
 	if (!tile->texture) {
 		VIPS_FREE(tile->data_copy);
@@ -169,6 +169,8 @@ tile_get_texture(Tile *tile)
 			NULL, NULL);
 
 		tile->texture = gdk_texture_new_for_pixbuf(tile->pixbuf);
+		printf("tile_get_texture: setting texture for tile %d x %d\n",
+			tile->region->valid.left, tile->region->valid.top);
 	}
 
 	return tile->texture;

src/tilecache.c

@@ -30,10 +30,10 @@
 #include "nip4.h"
 
 /*
+ */
 #define DEBUG_RENDER_TIME
 #define DEBUG_VERBOSE
 #define DEBUG
- */
 
 enum {
 	/* Properties.
@@ -778,6 +778,13 @@ tilecache_compute_visibility(Tilecache *tilecache,
 	 */
 	tilecache_tiles_for_rect(tilecache, viewport, z, &touches);
 
+#ifdef DEBUG_VERBOSE
+	printf("viewport in level0 coordinates: left = %d, top = %d, "
+			   "width = %d, height = %d\n",
+			touches.left, touches.top,
+			touches.width, touches.height);
+#endif /*DEBUG_VERBOSE*/
+
 	/* Search for the highest res tile for every position in the
 	 * viewport.
 	 */
@@ -799,9 +806,7 @@ tilecache_compute_visibility(Tilecache *tilecache,
 			Tile *tile = TILE(p->data);
 
 			if (tile->time < start_time)
-				tilecache->free[i] =
-					g_slist_prepend(tilecache->free[i],
-						tile);
+				tilecache->free[i] = g_slist_prepend(tilecache->free[i], tile);
 		}
 	}