INLINE polygon_info *allocate_polygon(poly_manager *poly, int miny, int maxy)
{
/* wait for a work item if we have to */
if (poly->polygon_next + 1 > poly->polygon_count)
{
poly_wait(poly, "Out of polygons");
#if KEEP_STATISTICS
poly->polygon_waits++;
#endif
}
else if (poly->unit_next + (maxy - miny) / SCANLINES_PER_BUCKET + 2 > poly->unit_count)
{
poly_wait(poly, "Out of work units");
#if KEEP_STATISTICS
poly->unit_waits++;
#endif
}
#if KEEP_STATISTICS
poly->polygon_max = MAX(poly->polygon_max, poly->polygon_next + 1);
#endif
return poly->polygon[poly->polygon_next++];
}
void *poly_get_extra_data(poly_manager *poly)
{
/* wait for a work item if we have to */
if (poly->extra_next + 1 > poly->extra_count)
{
poly_wait(poly, "Out of extra data");
#if KEEP_STATISTICS
poly->extra_waits++;
#endif
}
/* return a pointer to the extra data for the next item */
#if KEEP_STATISTICS
poly->extra_max = MAX(poly->extra_max, poly->extra_next + 1);
#endif
return poly->extra[poly->extra_next++];
}
static void poly_state_presave(poly_manager *poly)
{
poly_wait(poly, "pre-save");
}
static STATE_PRESAVE( poly_state_presave )
{
poly_manager *poly = (poly_manager *)param;
poly_wait(poly, "pre-save");
}
