Changeset 7dba813 in mainline for uspace/lib/gui/terminal.c

Timestamp:

2012-11-22T09:03:39Z (11 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/gui/terminal.c (modified) (1 diff)

uspace/lib/gui/terminal.c

@@ -196 +196 @@
         uint16_t glyph = fb_font_glyph(field->ch);
         
-        // FIXME: This font drawing routine is shamelessly
-        //        suboptimal. It should be optimized for
-        //        aligned memory transfers, etc.
-        
         for (unsigned int y = 0; y < FONT_SCANLINES; y++) {
-                for (unsigned int x = 0; x < FONT_WIDTH; x++) {
-                        pixel_t pixel =
-                            (fb_font[glyph][y] & (1 << (7 - x))) ? fgcolor : bgcolor;
-                        surface_put_pixel(surface, bx + x, by + y, pixel);
+                pixel_t *dst = pixelmap_pixel_at(
+                    surface_pixmap_access(surface), bx, by + y);
+                int count = FONT_WIDTH;
+                while (count-- != 0) {
+                        *dst++ = (fb_font[glyph][y] & (1 << count)) ? fgcolor : bgcolor;
                 }
         }
+        surface_add_damaged_region(surface, bx, by, FONT_WIDTH, FONT_SCANLINES);
 }