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add GPROFILE scons option; fix spectacular CPU usage sawtooth caused by constant redraw of entire rects when their bounds change

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git-svn-id: svn://localhost/ardour2/trunk@1576 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2007-03-12 17:05:09 +00:00
parent 84af9f18eb
commit 3a716d2b90
4 changed files with 29 additions and 9 deletions
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28
gtk2_ardour/canvas-simplerect.c
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@ -264,11 +264,17 @@ gnome_canvas_simplerect_reset_bounds (GnomeCanvasItem *item)
double x1, x2, y1, y2;
double old_x1, old_x2, old_y1, old_y2;
double a, b, c, d;
old_x1 = item->x1;
old_y1 = item->y1;
old_x2 = item->x2;
old_y2 = item->y2;
ArtIRect intersection, old, new;
old.x0 = old_x1 = item->x1;
old.y0 = old_y1 = item->y1;
old.x1 = old_x2 = item->x2;
old.y1 = old_y2 = item->y2;
new.x0 = x1;
new.y0 = y1;
new.x1 = x2;
new.y1 = y2;
gnome_canvas_simplerect_bounds (item, &x1, &y1, &x2, &y2);
gnome_canvas_item_i2w (item, &x1, &y1);
@ -288,6 +294,8 @@ gnome_canvas_simplerect_reset_bounds (GnomeCanvasItem *item)
/* now queue redraws for changed areas */
art_irect_intersect (&intersection, &old, &new);
#if 0
a = MIN(item->x1, old_x1);
b = MAX(item->x1, old_x1);
@ -304,7 +312,15 @@ gnome_canvas_simplerect_reset_bounds (GnomeCanvasItem *item)
d = MAX(d,item->y2);
d = MAX(d, old_y2);
fprintf (stderr, "%p REDRAW %g,%g %g,%g\n", simplerect, a, c, b + 0.5, d + 0.5);
gnome_canvas_request_redraw (item->canvas, a, c, b + 0.5, d + 0.5);
#else
gnome_canvas_request_redraw (item->canvas,
intersection.x0,
intersection.y0,
intersection.x1,
intersection.y1);
#endif
}
/*
@ -509,7 +525,7 @@ gnome_canvas_simplerect_render (GnomeCanvasItem *item,
if (parent_class->render) {
(*parent_class->render) (item, buf);
}
if (buf->is_bg) {
#ifdef HARLEQUIN_DEBUGGING