Changeset 7dba813 in mainline for uspace/lib/draw/surface.c

Timestamp:

2012-11-22T09:03:39Z (12 years ago)

Author:

Petr Koupy <petr.koupy@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ba733e83

Parents:

8e6ec6e

Message:

Resolved Ticket #485 (Desktop is slow). GUI is usable in Qemu/non-KVM as long as windows are not transparent, rotated or scaled (i.e. if user limits himself only to translation and resizing).

File:

• uspace/lib/draw/surface.c (modified) (1 diff)

uspace/lib/draw/surface.c

@@ -143 +143 @@
 }
 
+void surface_add_damaged_region(surface_t *surface, surface_coord_t x, surface_coord_t y,
+    surface_coord_t width, surface_coord_t height)
+{
+        surface->dirty_x_lo = surface->dirty_x_lo > x ? x : surface->dirty_x_lo;
+        surface->dirty_y_lo = surface->dirty_y_lo > y ? y : surface->dirty_y_lo;
+
+        surface_coord_t x_hi = x + width - 1;
+        surface_coord_t y_hi = y + height - 1;
+
+        surface->dirty_x_hi = surface->dirty_x_hi < x_hi ? x_hi : surface->dirty_x_hi;
+        surface->dirty_y_hi = surface->dirty_y_hi < y_hi ? y_hi : surface->dirty_y_hi;
+}
+
 void surface_reset_damaged_region(surface_t *surface)
 {