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Code Issues Releases Activity

o Add new vd_driver method to do bitblt with mask, named vd_maskbitbltchr.

Browse Source 
o Move vd_bitbltchr vga's driver method to vd_maskbitbltchr.
o Implement new vd_bitbltchr method for vga driver. (It do single write for 8
	pixels, have to be a bit faster).

MFC after:	7 days
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Aleksandr Rybalko 2014-03-28 22:04:27 +00:00
parent bd633799af
commit 1da9f0d73a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=263885
3 changed files with 37 additions and 1 deletions
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30
sys/dev/vt/hw/vga/vga.c
View File

@ -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,
@ -203,6 +205,34 @@ static void
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;

4
sys/dev/vt/vt.h
View File

@ -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;

4
sys/dev/vt/vt_core.c
View File

@ -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)