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Restore the line width in VGLEnd(). The line width may be changed by

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VGLSetVScreenSize(), but is not restored by mode switches to at least
standard text mode, so must be restored explicitly.  Standard text mode
displayed blanks when the line width was doubled.
This commit is contained in:
bde 2019-04-26 13:22:54 +00:00
parent 382d03d2b8
commit 63bb930668
1 changed files with 4 additions and 0 deletions
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4
lib/libvgl/main.c
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@ -64,6 +64,7 @@ static unsigned int VGLCurWindow;
static int VGLInitDone = 0;
static video_info_t VGLOldModeInfo;
static vid_info_t VGLOldVInfo;
static int VGLOldVXsize;
void
VGLEnd()
@ -85,6 +86,8 @@ struct vt_mode smode;
munmap(VGLMem, VGLAdpInfo.va_window_size);
}
ioctl(0, FBIO_SETLINEWIDTH, &VGLOldVXsize);
if (VGLOldMode >= M_VESA_BASE)
ioctl(0, _IO('V', VGLOldMode - M_VESA_BASE), 0);
else
@ -322,6 +325,7 @@ VGLInit(int mode)
depth = VGLModeInfo.vi_depth;
if (depth == 15)
depth = 16;
VGLOldVXsize =
VGLDisplay->VXsize = VGLAdpInfo.va_line_width
*8/(depth/VGLModeInfo.vi_planes);
VGLDisplay->VYsize = VGLBufSize/VGLModeInfo.vi_planes/VGLAdpInfo.va_line_width;