Differential D16723 Diff 47290 head/sys/dev/vt/hw/vga/vt_vga.c

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head/sys/dev/vt/hw/vga/vt_vga.c

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* Those addresses are then loaded in the latches once.		* Those addresses are then loaded in the latches once.
*/		*/
#define VT_VGA_BGCOLOR_OFFSET VT_VGA_MEMSIZE		#define VT_VGA_BGCOLOR_OFFSET VT_VGA_MEMSIZE

static vd_probe_t vga_probe;		static vd_probe_t vga_probe;
static vd_init_t vga_init;		static vd_init_t vga_init;
static vd_blank_t vga_blank;		static vd_blank_t vga_blank;
static vd_bitblt_text_t vga_bitblt_text;		static vd_bitblt_text_t vga_bitblt_text;
		static vd_invalidate_text_t vga_invalidate_text;
static vd_bitblt_bmp_t vga_bitblt_bitmap;		static vd_bitblt_bmp_t vga_bitblt_bitmap;
static vd_drawrect_t vga_drawrect;		static vd_drawrect_t vga_drawrect;
static vd_setpixel_t vga_setpixel;		static vd_setpixel_t vga_setpixel;
static vd_postswitch_t vga_postswitch;		static vd_postswitch_t vga_postswitch;

static const struct vt_driver vt_vga_driver = {		static const struct vt_driver vt_vga_driver = {
.vd_name = "vga",		.vd_name = "vga",
.vd_probe = vga_probe,		.vd_probe = vga_probe,
.vd_init = vga_init,		.vd_init = vga_init,
.vd_blank = vga_blank,		.vd_blank = vga_blank,
.vd_bitblt_text = vga_bitblt_text,		.vd_bitblt_text = vga_bitblt_text,
		.vd_invalidate_text = vga_invalidate_text,
.vd_bitblt_bmp = vga_bitblt_bitmap,		.vd_bitblt_bmp = vga_bitblt_bitmap,
.vd_drawrect = vga_drawrect,		.vd_drawrect = vga_drawrect,
.vd_setpixel = vga_setpixel,		.vd_setpixel = vga_setpixel,
.vd_postswitch = vga_postswitch,		.vd_postswitch = vga_postswitch,
.vd_priority = VD_PRIORITY_GENERIC,		.vd_priority = VD_PRIORITY_GENERIC,
};		};

/*		/*
▲ Show 20 Lines • Show All 744 Lines • ▼ Show 20 Lines	vga_bitblt_text_txtmode(struct vt_device vd, const struct vt_window vw,
const term_rect_t *area)		const term_rect_t *area)
{		{
struct vga_softc *sc;		struct vga_softc *sc;
const struct vt_buf *vb;		const struct vt_buf *vb;
unsigned int col, row;		unsigned int col, row;
term_char_t c;		term_char_t c;
term_color_t fg, bg;		term_color_t fg, bg;
uint8_t ch, attr;		uint8_t ch, attr;
		size_t z;

sc = vd->vd_softc;		sc = vd->vd_softc;
vb = &vw->vw_buf;		vb = &vw->vw_buf;

for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) {		for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) {
for (col = area->tr_begin.tp_col;		for (col = area->tr_begin.tp_col;
col < area->tr_end.tp_col;		col < area->tr_end.tp_col;
++col) {		++col) {
/*		/*
* Get next character and its associated fg/bg		* Get next character and its associated fg/bg
* colors.		* colors.
*/		*/
c = VTBUF_GET_FIELD(vb, row, col);		c = VTBUF_GET_FIELD(vb, row, col);
vt_determine_colors(c, VTBUF_ISCURSOR(vb, row, col),		vt_determine_colors(c, VTBUF_ISCURSOR(vb, row, col),
&fg, &bg);		&fg, &bg);

		z = row * PIXEL_WIDTH(VT_FB_MAX_WIDTH) + col;
		if (vd->vd_drawn && (vd->vd_drawn[z] == c) &&
		vd->vd_drawnfg && (vd->vd_drawnfg[z] == fg) &&
		vd->vd_drawnbg && (vd->vd_drawnbg[z] == bg))
		continue;

/*		/*
* Convert character to CP437, which is the		* Convert character to CP437, which is the
* character set used by the VGA hardware by		* character set used by the VGA hardware by
* default.		* default.
*/		*/
ch = vga_get_cp437(TCHAR_CHARACTER(c));		ch = vga_get_cp437(TCHAR_CHARACTER(c));

/* Convert colors to VGA attributes. */		/* Convert colors to VGA attributes. */
attr =		attr =
cons_to_vga_colors[bg] << 4 \|		cons_to_vga_colors[bg] << 4 \|
cons_to_vga_colors[fg];		cons_to_vga_colors[fg];

MEM_WRITE2(sc, (row * 80 + col) * 2 + 0,		MEM_WRITE2(sc, (row * 80 + col) * 2 + 0,
ch + ((uint16_t)(attr) << 8));		ch + ((uint16_t)(attr) << 8));

		if (vd->vd_drawn)
		vd->vd_drawn[z] = c;
		if (vd->vd_drawnfg)
		vd->vd_drawnfg[z] = fg;
		if (vd->vd_drawnbg)
		vd->vd_drawnbg[z] = bg;
}		}
}		}
}		}

static void		static void
vga_bitblt_text(struct vt_device vd, const struct vt_window vw,		vga_bitblt_text(struct vt_device vd, const struct vt_window vw,
const term_rect_t *area)		const term_rect_t *area)
{		{

if (!(vd->vd_flags & VDF_TEXTMODE)) {		if (!(vd->vd_flags & VDF_TEXTMODE)) {
vga_bitblt_text_gfxmode(vd, vw, area);		vga_bitblt_text_gfxmode(vd, vw, area);
} else {		} else {
vga_bitblt_text_txtmode(vd, vw, area);		vga_bitblt_text_txtmode(vd, vw, area);
		}
		}

		void
		vga_invalidate_text(struct vt_device vd, const term_rect_t area)
		{
		unsigned int col, row;
		size_t z;

		for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) {
		for (col = area->tr_begin.tp_col;
		col < area->tr_end.tp_col;
		++col) {
		z = row * PIXEL_WIDTH(VT_FB_MAX_WIDTH) + col;
		if (vd->vd_drawn)
		vd->vd_drawn[z] = 0;
		if (vd->vd_drawnfg)
		vd->vd_drawnfg[z] = 0;
		if (vd->vd_drawnbg)
		vd->vd_drawnbg[z] = 0;
		}
}		}
}		}

static void		static void
vga_bitblt_bitmap(struct vt_device vd, const struct vt_window vw,		vga_bitblt_bitmap(struct vt_device vd, const struct vt_window vw,
const uint8_t pattern, const uint8_t mask,		const uint8_t pattern, const uint8_t mask,
unsigned int width, unsigned int height,		unsigned int width, unsigned int height,
unsigned int x, unsigned int y, term_color_t fg, term_color_t bg)		unsigned int x, unsigned int y, term_color_t fg, term_color_t bg)
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