+++ /dev/null
-/*-
- * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer as
- * the first lines of this file unmodified.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Copyright (c) 2000 Andrew Miklic
- *
- * $FreeBSD: src/sys/dev/syscons/scgfbrndr.c,v 1.14.2.1 2001/11/01 08:33:15 obrien Exp $
- * $DragonFly: src/sys/dev/misc/syscons/scgfbrndr.c,v 1.6 2006/10/25 20:55:55 dillon Exp $
- */
-
-#include "opt_syscons.h"
-#include "opt_gfb.h"
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/fbio.h>
-#include <sys/consio.h>
-#include <sys/bus.h>
-
-#include <dev/fb/fbreg.h>
-#include "syscons.h"
-
-static vr_clear_t gfb_clear;
-static vr_draw_border_t gfb_border;
-static vr_draw_t gfb_draw;
-static vr_set_cursor_t gfb_cursor_shape;
-static vr_draw_cursor_t gfb_cursor;
-static vr_blink_cursor_t gfb_blink;
-#ifndef SC_NO_CUTPASTE
-static vr_draw_mouse_t gfb_mouse;
-#else
-#define gfb_mouse (vr_draw_mouse_t *)gfb_nop
-#endif
-
-static void gfb_nop(scr_stat *scp, ...);
-
-sc_rndr_sw_t txtrndrsw = {
- gfb_clear,
- gfb_border,
- gfb_draw,
- gfb_cursor_shape,
- gfb_cursor,
- gfb_blink,
- (vr_set_mouse_t *)gfb_nop,
- gfb_mouse,
-};
-
-#ifdef SC_PIXEL_MODE
-sc_rndr_sw_t gfbrndrsw = {
- gfb_clear,
- gfb_border,
- gfb_draw,
- gfb_cursor_shape,
- gfb_cursor,
- gfb_blink,
- (vr_set_mouse_t *)gfb_nop,
- gfb_mouse,
-};
-#endif /* SC_PIXEL_MODE */
-
-#ifndef SC_NO_MODE_CHANGE
-sc_rndr_sw_t grrndrsw = {
- (vr_clear_t *)gfb_nop,
- gfb_border,
- (vr_draw_t *)gfb_nop,
- (vr_set_cursor_t *)gfb_nop,
- (vr_draw_cursor_t *)gfb_nop,
- (vr_blink_cursor_t *)gfb_nop,
- (vr_set_mouse_t *)gfb_nop,
- (vr_draw_mouse_t *)gfb_nop,
-};
-#endif /* SC_NO_MODE_CHANGE */
-
-#ifndef SC_NO_CUTPASTE
-
-static u_char mouse_pointer[16] = {
- 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
- 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
-};
-#endif
-
-static void
-gfb_nop(scr_stat *scp, ...)
-{
-}
-
-/* text mode renderer */
-
-static void
-gfb_clear(scr_stat *scp, int c, int attr)
-{
- (*vidsw[scp->sc->adapter]->clear)(scp->sc->adp);
-}
-
-static void
-gfb_border(scr_stat *scp, int color)
-{
- (*vidsw[scp->sc->adapter]->set_border)(scp->sc->adp, color);
-}
-
-static void
-gfb_draw(scr_stat *scp, int from, int count, int flip)
-{
- char c;
- char a;
- int i, n;
- video_adapter_t *adp;
-
- adp = scp->sc->adp;
-
- /*
- Determine if we need to scroll based on the offset
- and the number of characters to be displayed...
- */
- if (from + count > scp->xsize*scp->ysize) {
-
- /*
- Calculate the number of characters past the end of the
- visible screen...
- */
- count = (from + count) -
- (adp->va_info.vi_width * adp->va_info.vi_height);
-
- /*
- Calculate the number of rows past the end of the visible
- screen...
- */
- n = (count / adp->va_info.vi_width) + 1;
-
- /* Scroll to make room for new text rows... */
- (*vidsw[scp->sc->adapter]->copy)(adp, n, 0, n);
-#ifdef 0
- (*vidsw[scp->sc->adapter]->clear)(adp, n);
-#endif
-
- /* Display new text rows... */
- (*vidsw[scp->sc->adapter]->puts)(adp, from,
- scp->vtb.vtb_buffer + from, count);
- }
-
- /*
- We don't need to scroll, so we can just put the characters
- all-at-once...
- */
- else {
-
- /*
- Determine the method by which we are to display characters
- (are we going to print forwards or backwards?
- do we need to do a character-by-character copy, then?)...
- */
- if (flip)
- for (i = count; i-- > 0; ++from) {
- c = sc_vtb_getc(&scp->vtb, from);
- a = sc_vtb_geta(&scp->vtb, from) >> 8;
- (*vidsw[scp->sc->adapter]->putc)(adp, from, c,
- a);
- }
- else {
- (*vidsw[scp->sc->adapter]->puts)(adp, from,
- scp->vtb.vtb_buffer + from, count);
- }
- }
-}
-
-static void
-gfb_cursor_shape(scr_stat *scp, int base, int height, int blink)
-{
- if (base < 0 || base >= scp->font_size)
- return;
- /* the caller may set height <= 0 in order to disable the cursor */
-#if 0
- scp->cursor_base = base;
- scp->cursor_height = height;
-#endif
- (*vidsw[scp->sc->adapter]->set_hw_cursor_shape)(scp->sc->adp,
- base, height, scp->font_size, blink);
-}
-
-static int pxlblinkrate = 0;
-
-#ifdef 0
-static void
-gfb_cursor(scr_stat *scp, int at, int blink, int on, int flip)
-{
- video_adapter_t *adp;
-
- if (scp->cursor_height <= 0) /* the text cursor is disabled */
- return;
-
- adp = scp->sc->adp;
- if(blink) {
- scp->status |= VR_CURSOR_BLINK;
- if (on) {
- scp->status |= VR_CURSOR_ON;
- (*vidsw[adp->va_index]->set_hw_cursor)(adp,
- at%scp->xsize,
- at/scp->xsize);
- } else {
- if (scp->status & VR_CURSOR_ON)
- (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1,
- -1);
- scp->status &= ~VR_CURSOR_ON;
- }
- } else {
- scp->status &= ~VR_CURSOR_BLINK;
- if(on) {
- scp->status |= VR_CURSOR_ON;
- scp->cursor_saveunder_char = sc_vtb_getc(&scp->scr, at);
- scp->cursor_saveunder_attr = sc_vtb_geta(&scp->scr, at);
- (*vidsw[scp->sc->adapter]->putc)(scp->sc->adp, at,
- scp->cursor_saveunder_char,
- scp->cursor_saveunder_attr);
- } else {
- if (scp->status & VR_CURSOR_ON)
- (*vidsw[scp->sc->adapter]->putc)(scp->sc->adp,
- at, scp->cursor_saveunder_char,
- scp->cursor_saveunder_attr);
- scp->status &= ~VR_CURSOR_ON;
- }
- }
-}
-#endif
-
-static void
-gfb_cursor(scr_stat *scp, int at, int blink, int on, int flip)
-{
- video_adapter_t *adp;
-
- adp = scp->sc->adp;
- if (scp->cursor_height <= 0) /* the text cursor is disabled */
- return;
-
- if (on) {
- if (!blink) {
- scp->status |= VR_CURSOR_ON;
- (*vidsw[adp->va_index]->set_hw_cursor)(adp,
- at%scp->xsize, at/scp->xsize);
- } else if (++pxlblinkrate & 4) {
- pxlblinkrate = 0;
- scp->status ^= VR_CURSOR_ON;
- if(scp->status & VR_CURSOR_ON)
- (*vidsw[adp->va_index]->set_hw_cursor)(adp,
- at%scp->xsize, at/scp->xsize);
- else
- (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1,
- -1);
- }
- } else {
- if (scp->status & VR_CURSOR_ON)
- (*vidsw[adp->va_index]->set_hw_cursor)(adp,
- at%scp->xsize, at/scp->xsize);
- scp->status &= ~VR_CURSOR_ON;
- }
- if (blink)
- scp->status |= VR_CURSOR_BLINK;
- else
- scp->status &= ~VR_CURSOR_BLINK;
-}
-
-static void
-gfb_blink(scr_stat *scp, int at, int flip)
-{
- if (!(scp->status & VR_CURSOR_BLINK))
- return;
- if (!(++pxlblinkrate & 4))
- return;
- pxlblinkrate = 0;
- scp->status ^= VR_CURSOR_ON;
- gfb_cursor(scp, at, scp->status & VR_CURSOR_BLINK,
- scp->status & VR_CURSOR_ON, flip);
-}
-
-#ifndef SC_NO_CUTPASTE
-
-static void
-gfb_mouse(scr_stat *scp, int x, int y, int on)
-{
- int i, pos;
-
- if (on) {
-
- /* Display the mouse pointer image... */
- (*vidsw[scp->sc->adapter]->putm)(scp->sc->adp, x, y,
- mouse_pointer, 0xffffffff, 16);
- } else {
-
- /*
- Erase the mouse cursor image by redrawing the text
- underneath it...
- */
- return;
- pos = x*scp->xsize + y;
- i = (y < scp->xsize - 1) ? 2 : 1;
- (*scp->rndr->draw)(scp, pos, i, FALSE);
- if (x < scp->ysize - 1)
- (*scp->rndr->draw)(scp, pos + scp->xsize, i, FALSE);
- }
-}
-
-#endif /* SC_NO_CUTPASTE */
projects / dragonfly.git / commitdiff