diff options
Diffstat (limited to 'sys/dev/vt/hw/fb/vt_fb.c')
| -rw-r--r-- | sys/dev/vt/hw/fb/vt_fb.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/sys/dev/vt/hw/fb/vt_fb.c b/sys/dev/vt/hw/fb/vt_fb.c index 7163bdc786ac..3ffba40a1adb 100644 --- a/sys/dev/vt/hw/fb/vt_fb.c +++ b/sys/dev/vt/hw/fb/vt_fb.c @@ -50,9 +50,11 @@ void vt_fb_drawrect(struct vt_device *vd, int x1, int y1, int x2, int y2, void vt_fb_setpixel(struct vt_device *vd, int x, int y, term_color_t color); static struct vt_driver vt_fb_driver = { + .vd_name = "fb", .vd_init = vt_fb_init, .vd_blank = vt_fb_blank, .vd_bitbltchr = vt_fb_bitbltchr, + .vd_maskbitbltchr = vt_fb_maskbitbltchr, .vd_drawrect = vt_fb_drawrect, .vd_setpixel = vt_fb_setpixel, .vd_postswitch = vt_fb_postswitch, @@ -61,6 +63,8 @@ static struct vt_driver vt_fb_driver = { .vd_fb_mmap = vt_fb_mmap, }; +VT_DRIVER_DECLARE(vt_fb, vt_fb_driver); + static int vt_fb_ioctl(struct vt_device *vd, u_long cmd, caddr_t data, struct thread *td) { @@ -189,6 +193,68 @@ vt_fb_bitbltchr(struct vt_device *vd, const uint8_t *src, const uint8_t *mask, uint32_t fgc, bgc, cc, o; int c, l, bpp; u_long line; + uint8_t b; + const uint8_t *ch; + + info = vd->vd_softc; + bpp = FBTYPE_GET_BYTESPP(info); + fgc = info->fb_cmap[fg]; + bgc = info->fb_cmap[bg]; + b = 0; + if (bpl == 0) + bpl = (width + 7) >> 3; /* Bytes per sorce line. */ + + /* Don't try to put off screen pixels */ + if (((left + width) > info->fb_width) || ((top + height) > + info->fb_height)) + return; + + line = (info->fb_stride * top) + (left * bpp); + for (l = 0; l < height; l++) { + ch = src; + for (c = 0; c < width; c++) { + if (c % 8 == 0) + b = *ch++; + else + b <<= 1; + o = line + (c * bpp); + cc = b & 0x80 ? fgc : bgc; + + switch(bpp) { + case 1: + info->wr1(info, o, cc); + break; + case 2: + info->wr2(info, o, cc); + break; + case 3: + /* Packed mode, so unaligned. Byte access. */ + info->wr1(info, o, (cc >> 16) & 0xff); + info->wr1(info, o + 1, (cc >> 8) & 0xff); + info->wr1(info, o + 2, cc & 0xff); + break; + case 4: + info->wr4(info, o, cc); + break; + default: + /* panic? */ + break; + } + } + line += info->fb_stride; + src += bpl; + } +} + +void +vt_fb_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 fb_info *info; + uint32_t fgc, bgc, cc, o; + int c, l, bpp; + u_long line; uint8_t b, m; const uint8_t *ch; |