Changeset 42ec919 in mainline

Timestamp:

2009-01-11T21:03:12Z (15 years ago)

Author:

Jiri Svoboda <jirik.svoboda@…>

Branches:

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

Children:

bda24ee7

Parents:

4a62ec9

Message:

Viewport invalidation. Makes delta-redraw optimization work when returning from kcon.

Location:

uspace

Files:

• lib/libc/include/ipc/fb.h (modified) (1 diff)
• srv/console/gcons.c (modified) (3 diffs)
• srv/fb/fb.c (modified) (4 diffs)

uspace/lib/libc/include/ipc/fb.h

@@ -48 +48 @@
         FB_VIEWPORT_CREATE,
         FB_VIEWPORT_DELETE,
+        FB_VIEWPORT_INVALIDATE,
         FB_SET_STYLE,
         FB_SET_COLOR,

uspace/srv/console/gcons.c

@@ -84 +84 @@
         async_msg_1(fbphone, FB_VIEWPORT_SWITCH, vp);
 }
+
+static void vp_invalidate(int vp)
+{
+        async_msg_1(fbphone, FB_VIEWPORT_INVALIDATE, vp);
+}
+
 
 /** Create view port */
@@ -158 +164 @@
         redraw_state(consnum);
 
+        vp_invalidate(console_vp);
         vp_switch(console_vp);
 }
@@ -356 +363 @@
         for (i = 0; i < CONSOLE_COUNT; i++)
                 redraw_state(i);
+        vp_invalidate(console_vp);
         vp_switch(console_vp);
 }

uspace/srv/fb/fb.c

@@ -140 +140 @@
         bb_cell_t *backbuf;
         unsigned int bbsize;
+        bool bb_invalid;
 } viewport_t;
 
@@ -560 +561 @@
         viewports[i].bbsize = bbsize;
         viewports[i].backbuf = backbuf;
+        viewports[i].bb_invalid = false;
         
         viewports[i].initialized = true;
@@ -884 +886 @@
                 if (glyph != data[i].character ||
                     rgb.fg_color != bbp->fg_color ||
-                    rgb.bg_color != bbp->bg_color) {
+                    rgb.bg_color != bbp->bg_color ||
+                    vport->bb_invalid) {
                         bbp->glyph = data[i].character; 
 
@@ -1624 +1627 @@
                         retval = EOK;
                         break;
+                case FB_VIEWPORT_INVALIDATE:
+                        i = IPC_GET_ARG1(call);
+                        if (i >= MAX_VIEWPORTS) {
+                                retval = EINVAL;
+                                break;
+                        }
+                        viewports[i].bb_invalid = true;
+                        retval = EOK;
+                        break;
+                
                 case FB_SET_STYLE:
                         retval = fb_set_style(vport, IPC_GET_ARG1(call));