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authorcinap_lenrek <cinap_lenrek@felloff.net>2020-12-27 23:08:59 +0100
committercinap_lenrek <cinap_lenrek@felloff.net>2020-12-27 23:08:59 +0100
commit806353ec9eda162a3ff13cad1e5228c58cd67566 (patch)
tree442d3fcd52e36862de12d047cf6e3a5eca2672d0 /sys/src/9/pc/vgact65545.c
parent874e71c8dc489b820c9a6066d13c470a34d7f83f (diff)
devvga: implement screen tilting, remove panning and overlays
Tilting allows using left/right rotated or invetrted display orientation. This can be changed at runtime such as: echo tilt right > /dev/vgactl This removes the old panning and vga overlays as they are only implemented with some ancient vga controllers.
Diffstat (limited to 'sys/src/9/pc/vgact65545.c')
-rw-r--r--sys/src/9/pc/vgact65545.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/9/pc/vgact65545.c b/sys/src/9/pc/vgact65545.c
index 2696f365f..cc10a4222 100644
--- a/sys/src/9/pc/vgact65545.c
+++ b/sys/src/9/pc/vgact65545.c
@@ -34,7 +34,7 @@ ct65545enable(VGAscr* scr)
* Find a place for the cursor data in display memory.
* Must be on a 1024-byte boundary.
*/
- storage = ROUND(scr->gscreen->width*sizeof(ulong)*scr->gscreen->r.max.y, 1024);
+ storage = ROUND(scr->pitch*scr->height, 1024);
outl(0xB3D0, storage);
scr->storage = storage;