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vmx(1): fix non-vesa framebuffer mode

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This commit is contained in:
aiju 2017-06-17 22:52:13 +00:00
parent 52a3502927
commit 21669c4c97
1 changed files with 4 additions and 2 deletions
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6
sys/src/cmd/vmx/vga.c
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@ -557,9 +557,9 @@ drawproc(void *)
threadsetname("draw"); threadsetname("draw");
sfb = emalloc(fbsz); sfb = emalloc(fbsz);
event = 4;
for(;; sleep(20)){ for(;; sleep(20)){
qlock(&vga); qlock(&vga);
event = 0;
m = nextmode; m = nextmode;
if(m != curmode){ if(m != curmode){
event |= 1; event |= 1;
@ -572,7 +572,7 @@ drawproc(void *)
} }
while(nbrecv(mc->resizec, &ul) > 0) while(nbrecv(mc->resizec, &ul) > 0)
event |= 2; event |= 2;
if(event != 0){ if((event & 3) != 0){
if((event & 2) != 0 && getwindow(display, Refnone) < 0) if((event & 2) != 0 && getwindow(display, Refnone) < 0)
sysfatal("resize failed: %r"); sysfatal("resize failed: %r");
screeninit((event & 2) != 0); screeninit((event & 2) != 0);
@ -581,6 +581,7 @@ drawproc(void *)
drawtext(); drawtext();
else else
drawfb(event != 0); drawfb(event != 0);
event = 0;
qunlock(&vga); qunlock(&vga);
} }
} }
@ -704,6 +705,7 @@ vgainit(void)
if(curmode == nil) return; if(curmode == nil) return;
nextmode = curmode; nextmode = curmode;
nexthbytes = curhbytes;
tfb = gptr(0xb8000, 0x8000); tfb = gptr(0xb8000, 0x8000);
if(tfb == nil) if(tfb == nil)
sysfatal("got nil ptr for text framebuffer"); sysfatal("got nil ptr for text framebuffer");