diff options
Diffstat (limited to 'sys/dev')
-rw-r--r-- | sys/dev/vt/hw/vga/vga.c | 30 | ||||
-rw-r--r-- | sys/dev/vt/vt.h | 4 | ||||
-rw-r--r-- | sys/dev/vt/vt_core.c | 4 |
3 files changed, 37 insertions, 1 deletions
diff --git a/sys/dev/vt/hw/vga/vga.c b/sys/dev/vt/hw/vga/vga.c index e98918f..13c640a 100644 --- a/sys/dev/vt/hw/vga/vga.c +++ b/sys/dev/vt/hw/vga/vga.c @@ -74,6 +74,7 @@ struct vga_softc { static vd_init_t vga_init; static vd_blank_t vga_blank; static vd_bitbltchr_t vga_bitbltchr; +static vd_maskbitbltchr_t vga_maskbitbltchr; static vd_drawrect_t vga_drawrect; static vd_setpixel_t vga_setpixel; static vd_putchar_t vga_putchar; @@ -83,6 +84,7 @@ static const struct vt_driver vt_vga_driver = { .vd_init = vga_init, .vd_blank = vga_blank, .vd_bitbltchr = vga_bitbltchr, + .vd_maskbitbltchr = vga_maskbitbltchr, .vd_drawrect = vga_drawrect, .vd_setpixel = vga_setpixel, .vd_putchar = vga_putchar, @@ -204,6 +206,34 @@ vga_bitbltchr(struct vt_device *vd, const uint8_t *src, const uint8_t *mask, int bpl, vt_axis_t top, vt_axis_t left, unsigned int width, unsigned int height, term_color_t fg, term_color_t bg) { + u_long dst, ldst; + int w; + + /* Don't try to put off screen pixels */ + if (((left + width) > VT_VGA_WIDTH) || ((top + height) > + VT_VGA_HEIGHT)) + return; + + dst = (VT_VGA_WIDTH * top + left) / 8; + + for (; height > 0; height--) { + ldst = dst; + for (w = width; w > 0; w -= 8) { + vga_bitblt_put(vd, ldst, fg, *src); + vga_bitblt_put(vd, ldst, bg, ~*src); + ldst++; + src++; + } + dst += VT_VGA_WIDTH / 8; + } +} + +/* Bitblt with mask support. Slow. */ +static void +vga_maskbitbltchr(struct vt_device *vd, const uint8_t *src, const uint8_t *mask, + int bpl, vt_axis_t top, vt_axis_t left, unsigned int width, + unsigned int height, term_color_t fg, term_color_t bg) +{ struct vga_softc *sc = vd->vd_softc; u_long dst; uint8_t shift; diff --git a/sys/dev/vt/vt.h b/sys/dev/vt/vt.h index 9f175b8..9445cc9 100644 --- a/sys/dev/vt/vt.h +++ b/sys/dev/vt/vt.h @@ -282,6 +282,9 @@ typedef void vd_blank_t(struct vt_device *vd, term_color_t color); typedef void vd_bitbltchr_t(struct vt_device *vd, const uint8_t *src, const uint8_t *mask, int bpl, vt_axis_t top, vt_axis_t left, unsigned int width, unsigned int height, term_color_t fg, term_color_t bg); +typedef void vd_maskbitbltchr_t(struct vt_device *vd, const uint8_t *src, + const uint8_t *mask, int bpl, vt_axis_t top, vt_axis_t left, + unsigned int width, unsigned int height, term_color_t fg, term_color_t bg); typedef void vd_putchar_t(struct vt_device *vd, term_char_t, vt_axis_t top, vt_axis_t left, term_color_t fg, term_color_t bg); typedef int vd_fb_ioctl_t(struct vt_device *, u_long, caddr_t, struct thread *); @@ -298,6 +301,7 @@ struct vt_driver { /* Drawing. */ vd_blank_t *vd_blank; vd_bitbltchr_t *vd_bitbltchr; + vd_maskbitbltchr_t *vd_maskbitbltchr; vd_drawrect_t *vd_drawrect; vd_setpixel_t *vd_setpixel; diff --git a/sys/dev/vt/vt_core.c b/sys/dev/vt/vt_core.c index b179afd..b21b42e 100644 --- a/sys/dev/vt/vt_core.c +++ b/sys/dev/vt/vt_core.c @@ -775,7 +775,7 @@ vt_flush(struct vt_device *vd) if ((vd->vd_my + m->h) > (size.tp_row * vf->vf_height)) h = (size.tp_row * vf->vf_height) - vd->vd_my - 1; - vd->vd_driver->vd_bitbltchr(vd, m->map, m->mask, bpl, + vd->vd_driver->vd_maskbitbltchr(vd, m->map, m->mask, bpl, vd->vd_offset.tp_row + vd->vd_my, vd->vd_offset.tp_col + vd->vd_mx, w, h, TC_WHITE, TC_BLACK); @@ -1930,6 +1930,8 @@ vt_allocate(struct vt_driver *drv, void *softc) printf("%s: Replace existing VT driver.\n", __func__); } vd = main_vd; + if (drv->vd_maskbitbltchr == NULL) + drv->vd_maskbitbltchr = drv->vd_bitbltchr; /* Stop vt_flush periodic task. */ if (vd->vd_curwindow != NULL) |