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Implement vd_drawrect and vd_setpixel for vt(9)'s VGA driver.

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Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Aleksandr Rybalko 2014-02-07 12:39:58 +00:00
parent d531fb5b53
commit 06716ffd17
1 changed files with 29 additions and 0 deletions
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29
sys/dev/vt/hw/vga/vga.c
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@ -74,6 +74,8 @@ struct vga_softc {
static vd_init_t vga_init;
static vd_blank_t vga_blank;
static vd_bitbltchr_t vga_bitbltchr;
static vd_drawrect_t vga_drawrect;
static vd_setpixel_t vga_setpixel;
static vd_putchar_t vga_putchar;
static vd_postswitch_t vga_postswitch;
@ -81,6 +83,8 @@ static const struct vt_driver vt_vga_driver = {
.vd_init = vga_init,
.vd_blank = vga_blank,
.vd_bitbltchr = vga_bitbltchr,
.vd_drawrect = vga_drawrect,
.vd_setpixel = vga_setpixel,
.vd_putchar = vga_putchar,
.vd_postswitch = vga_postswitch,
.vd_priority = VD_PRIORITY_GENERIC,
@ -139,6 +143,31 @@ vga_bitblt_put(struct vt_device *vd, u_long dst, term_color_t color,
}
}
static void
vga_setpixel(struct vt_device *vd, int x, int y, term_color_t color)
{
vga_bitblt_put(vd, (y * VT_VGA_WIDTH / 8) + (x / 8), color,
0x80 >> (x % 8));
}
static void
vga_drawrect(struct vt_device *vd, int x1, int y1, int x2, int y2, int fill,
term_color_t color)
{
int x, y;
for (y = y1; y <= y2; y++) {
if (fill || (y == y1) || (y == y2)) {
for (x = x1; x <= x2; x++)
vga_setpixel(vd, x, y, color);
} else {
vga_setpixel(vd, x1, y, color);
vga_setpixel(vd, x2, y, color);
}
}
}
static inline void
vga_bitblt_draw(struct vt_device *vd, const uint8_t *src,
u_long ldst, uint8_t shift, unsigned int width, unsigned int height,