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scgfbrndr.c
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warp
Editing: scvgarndr.c
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> * All rights reserved. * * This code is derived from software contributed to The DragonFly Project * by Sascha Wildner <saw@online.de> * * 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. * */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include "opt_syscons.h" #include "opt_vga.h" #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/fbio.h> #include <sys/consio.h> #include <sys/sysctl.h> #include <machine/bus.h> #include <dev/fb/fbreg.h> #include <dev/fb/vgareg.h> #include <dev/syscons/syscons.h> #include <isa/isareg.h> #ifndef SC_RENDER_DEBUG #define SC_RENDER_DEBUG 0 #endif static vr_clear_t vga_txtclear; static vr_draw_border_t vga_txtborder; static vr_draw_t vga_txtdraw; static vr_set_cursor_t vga_txtcursor_shape; static vr_draw_cursor_t vga_txtcursor; static vr_blink_cursor_t vga_txtblink; #ifndef SC_NO_CUTPASTE static vr_draw_mouse_t vga_txtmouse; #else #define vga_txtmouse (vr_draw_mouse_t *)vga_nop #endif #ifdef SC_PIXEL_MODE static vr_init_t vga_rndrinit; static vr_clear_t vga_pxlclear_direct; static vr_clear_t vga_pxlclear_planar; static vr_draw_border_t vga_pxlborder_direct; static vr_draw_border_t vga_pxlborder_planar; static vr_draw_t vga_vgadraw_direct; static vr_draw_t vga_vgadraw_planar; static vr_set_cursor_t vga_pxlcursor_shape; static vr_draw_cursor_t vga_pxlcursor_direct; static vr_draw_cursor_t vga_pxlcursor_planar; static vr_blink_cursor_t vga_pxlblink_direct; static vr_blink_cursor_t vga_pxlblink_planar; #ifndef SC_NO_CUTPASTE static vr_draw_mouse_t vga_pxlmouse_direct; static vr_draw_mouse_t vga_pxlmouse_planar; #else #define vga_pxlmouse_direct (vr_draw_mouse_t *)vga_nop #define vga_pxlmouse_planar (vr_draw_mouse_t *)vga_nop #endif #endif /* SC_PIXEL_MODE */ #ifndef SC_NO_MODE_CHANGE static vr_draw_border_t vga_grborder; #endif static void vga_nop(scr_stat *scp); static sc_rndr_sw_t txtrndrsw = { (vr_init_t *)vga_nop, vga_txtclear, vga_txtborder, vga_txtdraw, vga_txtcursor_shape, vga_txtcursor, vga_txtblink, (vr_set_mouse_t *)vga_nop, vga_txtmouse, }; RENDERER(mda, 0, txtrndrsw, vga_set); RENDERER(cga, 0, txtrndrsw, vga_set); RENDERER(ega, 0, txtrndrsw, vga_set); RENDERER(vga, 0, txtrndrsw, vga_set); #ifdef SC_PIXEL_MODE static sc_rndr_sw_t vgarndrsw = { vga_rndrinit, (vr_clear_t *)vga_nop, (vr_draw_border_t *)vga_nop, (vr_draw_t *)vga_nop, vga_pxlcursor_shape, (vr_draw_cursor_t *)vga_nop, (vr_blink_cursor_t *)vga_nop, (vr_set_mouse_t *)vga_nop, (vr_draw_mouse_t *)vga_nop, }; RENDERER(ega, PIXEL_MODE, vgarndrsw, vga_set); RENDERER(vga, PIXEL_MODE, vgarndrsw, vga_set); #endif /* SC_PIXEL_MODE */ #ifndef SC_NO_MODE_CHANGE static sc_rndr_sw_t grrndrsw = { (vr_init_t *)vga_nop, (vr_clear_t *)vga_nop, vga_grborder, (vr_draw_t *)vga_nop, (vr_set_cursor_t *)vga_nop, (vr_draw_cursor_t *)vga_nop, (vr_blink_cursor_t *)vga_nop, (vr_set_mouse_t *)vga_nop, (vr_draw_mouse_t *)vga_nop, }; RENDERER(cga, GRAPHICS_MODE, grrndrsw, vga_set); RENDERER(ega, GRAPHICS_MODE, grrndrsw, vga_set); RENDERER(vga, GRAPHICS_MODE, grrndrsw, vga_set); #endif /* SC_NO_MODE_CHANGE */ RENDERER_MODULE(vga, vga_set); #ifndef SC_NO_CUTPASTE #if !defined(SC_ALT_MOUSE_IMAGE) || defined(SC_PIXEL_MODE) struct mousedata { u_short md_border[16]; u_short md_interior[16]; u_char md_width; u_char md_height; u_char md_baspect; u_char md_iaspect; const char *md_name; }; static const struct mousedata mouse10x16_50 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8200, 0x8400, 0x8400, 0x8400, 0x9200, 0xB200, 0xA900, 0xC900, 0x8600, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7C00, 0x7800, 0x7800, 0x7800, 0x6C00, 0x4C00, 0x4600, 0x0600, 0x0000, }, 10, 16, 49, 52, "mouse10x16_50", }; static const struct mousedata mouse8x14_67 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8700, 0x8400, 0x9200, 0xB200, 0xA900, 0xC900, 0x0600, 0x0000, 0x0000, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800, 0x7800, 0x6C00, 0x4C00, 0x4600, 0x0600, 0x0000, 0x0000, 0x0000, }, 8, 14, 64, 65, "mouse8x14_67", }; static const struct mousedata mouse8x13_75 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8600, 0x8400, 0xB200, 0xD200, 0x0900, 0x0900, 0x0600, 0x0000, 0x0000, 0x0000, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7800, 0x7800, 0x4C00, 0x0C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, }, 8, 13, 75, 80, "mouse8x13_75", }; static const struct mousedata mouse10x16_75 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8700, 0x8400, 0x9200, 0xB200, 0xC900, 0x0900, 0x0480, 0x0480, 0x0300, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800, 0x7800, 0x6C00, 0x4C00, 0x0600, 0x0600, 0x0300, 0x0300, 0x0000, }, 10, 16, 72, 75, "mouse10x16_75", }; static const struct mousedata mouse9x13_90 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8780, 0x9200, 0xB200, 0xD900, 0x8900, 0x0600, 0x0000, 0x0000, 0x0000, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800, 0x6C00, 0x4C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, }, 9, 13, 89, 89, "mouse9x13_90", }; static const struct mousedata mouse10x16_90 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080, 0x8040, 0x83E0, 0x8200, 0x9900, 0xA900, 0xC480, 0x8480, 0x0300, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00, 0x7F80, 0x7C00, 0x7C00, 0x6600, 0x4600, 0x0300, 0x0300, 0x0000, }, 10, 16, 89, 89, "mouse10x16_90", }; static const struct mousedata mouse9x13_100 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8780, 0xB200, 0xD200, 0x8900, 0x0900, 0x0600, 0x0000, 0x0000, 0x0000, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800, 0x4C00, 0x0C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, }, 9, 13, 106, 113, "mouse9x13_100", }; static const struct mousedata mouse10x16_100 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080, 0x8040, 0x83C0, 0x9200, 0xA900, 0xC900, 0x0480, 0x0480, 0x0300, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00, 0x7F80, 0x7C00, 0x6C00, 0x4600, 0x0600, 0x0300, 0x0300, 0x0000, }, 10, 16, 96, 106, "mouse10x16_100", }; static const struct mousedata mouse10x14_120 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080, 0x97C0, 0xB200, 0xF200, 0xC900, 0x8900, 0x0600, 0x0000, 0x0000, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00, 0x6800, 0x4C00, 0x0C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, }, 10, 14, 120, 124, "mouse10x14_120", }; static const struct mousedata mouse10x16_120 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080, 0x97C0, 0xB200, 0xF200, 0xC900, 0x8900, 0x0480, 0x0480, 0x0300, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00, 0x6800, 0x4C00, 0x0C00, 0x0600, 0x0600, 0x0300, 0x0300, 0x0000, }, 10, 16, 120, 124, "mouse10x16_120", }; static const struct mousedata mouse9x13_133 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080, 0x9780, 0xB200, 0xC900, 0x0900, 0x0600, 0x0000, 0x0000, 0x0000, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00, 0x6800, 0x4C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, }, 9, 13, 142, 124, "mouse9x13_133", }; static const struct mousedata mouse10x16_133 = { { 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080, 0x8040, 0x93E0, 0xB200, 0xC900, 0x8900, 0x0480, 0x0480, 0x0300, }, { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00, 0x7F80, 0x6C00, 0x4C00, 0x0600, 0x0600, 0x0300, 0x0300, 0x0000, }, 10, 16, 120, 133, "mouse10x16_133", }; static const struct mousedata mouse14x10_240 = { { 0xF800, 0xCE00, 0xC380, 0xC0E0, 0xC038, 0xC1FC, 0xDCC0, 0xF660, 0xC330, 0x01E0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, }, { 0x0000, 0x3000, 0x3C00, 0x3F00, 0x3FC0, 0x3E00, 0x2300, 0x0180, 0x00C0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, }, 14, 10, 189, 189, "mouse14x10_240", }; static const struct mousedata * const mouselarge[] = { &mouse10x16_50, &mouse8x14_67, &mouse10x16_75, &mouse10x16_90, &mouse10x16_100, &mouse10x16_120, &mouse10x16_133, &mouse14x10_240, }; static const struct mousedata * const mousesmall[] = { &mouse8x14_67, &mouse8x13_75, &mouse9x13_90, &mouse9x13_100, &mouse10x14_120, &mouse9x13_133, &mouse14x10_240, }; #endif #endif #ifdef SC_PIXEL_MODE #define GET_PIXEL(scp, pos, x, w) \ ({ \ (scp)->sc->adp->va_window + \ (x) * (scp)->xoff + \ (scp)->yoff * (scp)->font_size * (w) + \ (x) * ((pos) % (scp)->xsize) + \ (scp)->font_size * (w) * ((pos) / (scp)->xsize); \ }) #define DRAW_PIXEL(scp, pos, color) do { \ switch ((scp)->sc->adp->va_info.vi_depth) { \ case 32: \ writel((pos), vga_palette32[color]); \ break; \ case 24: \ if (((pos) & 1) == 0) { \ writew((pos), vga_palette32[color]); \ writeb((pos) + 2, vga_palette32[color] >> 16); \ } else { \ writeb((pos), vga_palette32[color]); \ writew((pos) + 1, vga_palette32[color] >> 8); \ } \ break; \ case 16: \ if ((scp)->sc->adp->va_info.vi_pixel_fsizes[1] == 5) \ writew((pos), vga_palette15[color]); \ else \ writew((pos), vga_palette16[color]); \ break; \ case 15: \ writew((pos), vga_palette15[color]); \ break; \ case 8: \ writeb((pos), (uint8_t)(color)); \ } \ } while (0) static uint32_t vga_palette32[16] = { 0x000000, 0x0000ad, 0x00ad00, 0x00adad, 0xad0000, 0xad00ad, 0xad5200, 0xadadad, 0x525252, 0x5252ff, 0x52ff52, 0x52ffff, 0xff5252, 0xff52ff, 0xffff52, 0xffffff }; static uint16_t vga_palette16[16] = { 0x0000, 0x0016, 0x0560, 0x0576, 0xb000, 0xb016, 0xb2a0, 0xb576, 0x52aa, 0x52bf, 0x57ea, 0x57ff, 0xfaaa, 0xfabf, 0xffea, 0xffff }; static uint16_t vga_palette15[16] = { 0x0000, 0x0016, 0x02c0, 0x02d6, 0x5800, 0x5816, 0x5940, 0x5ad6, 0x294a, 0x295f, 0x2bea, 0x2bff, 0x7d4a, 0x7d5f, 0x7fea, 0x7fff }; #endif static int vga_aspect_scale= 100; SYSCTL_INT(_machdep, OID_AUTO, vga_aspect_scale, CTLFLAG_RW, &vga_aspect_scale, 0, "Aspect scale ratio (3:4):actual times 100"); static u_short vga_flipattr(u_short a, int blink) { if (blink) a = (a & 0x8800) | ((a & 0x7000) >> 4) | ((a & 0x0700) << 4); else a = ((a & 0xf000) >> 4) | ((a & 0x0f00) << 4); return (a); } static u_short vga_cursorattr_adj(scr_stat *scp, u_short a, int blink) { int i; u_short bg, bgmask, fg, newbg; /* * The cursor attribute is usually that of the underlying char * with only the bg changed, to the first preferred color that * differs from both the fg and bg. If there is no such color, * use reverse video. */ bgmask = blink ? 0x7000 : 0xf000; bg = a & bgmask; fg = a & 0x0f00; for (i = 0; i < nitems(scp->curs_attr.bg); i++) { newbg = (scp->curs_attr.bg[i] << 12) & bgmask; if (newbg != bg && newbg != (fg << 4)) break; } if (i == nitems(scp->curs_attr.bg)) return (vga_flipattr(a, blink)); return (fg | newbg | (blink ? a & 0x8000 : 0)); } static void vga_setmdp(scr_stat *scp) { #if !defined(SC_NO_CUTPASTE) && \ (!defined(SC_ALT_MOUSE_IMAGE) || defined(SC_PIXEL_MODE)) const struct mousedata *mdp; const struct mousedata * const *mdpp; int aspect, best_i, best_v, i, n, v, wb, wi, xpixel, ypixel; xpixel = scp->xpixel; ypixel = scp->ypixel; if (scp->sc->adp->va_flags & V_ADP_CWIDTH9) xpixel = xpixel * 9 / 8; /* If 16:9 +-1%, assume square pixels, else scale to 4:3 or full. */ aspect = xpixel * 900 / ypixel / 16; if (aspect < 99 || aspect > 100) aspect = xpixel * 300 / ypixel / 4 * vga_aspect_scale / 100; /* * Use 10x16 cursors except even with 8x8 fonts except in ~200- * line modes where pixels are very large and in text mode where * even 13 pixels high is really 4 too many. Clipping a 16-high * cursor at 9-high gives a variable tail which looks better than * a smaller cursor with a constant tail. * * XXX: the IS*SC() macros don't work when this is called at the * end of a mode switch since UNKNOWN_SC is still set. */ if (scp->font_size <= 8 && (ypixel < 300 || !(scp->status & PIXEL_MODE))) { mdpp = &mousesmall[0]; n = nitems(mousesmall); } else { mdpp = &mouselarge[0]; n = nitems(mouselarge); } if (scp->status & PIXEL_MODE) { wb = 1024; wi = 256; } else { wb = 256; wi = 1024; } best_i = 0; best_v = 0x7fffffff; for (i = 0; i < n; i++) { v = (wb * abs(mdpp[i]->md_baspect - aspect) + wi * abs(mdpp[i]->md_iaspect - aspect)) / aspect; if (best_v > v) { best_v = v; best_i = i; } } mdp = mdpp[best_i]; scp->mouse_data = mdp; #endif /* !SC_NO_CUTPASTE && (!SC_ALT_MOUSE_IMAGE || SC_PIXEL_MODE) */ } static void vga_nop(scr_stat *scp) { } /* text mode renderer */ static void vga_txtclear(scr_stat *scp, int c, int attr) { sc_vtb_clear(&scp->scr, c, attr); } static void vga_txtborder(scr_stat *scp, int color) { vidd_set_border(scp->sc->adp, color); } static void vga_txtdraw(scr_stat *scp, int from, int count, int flip) { vm_offset_t p; int c; int a; if (from + count > scp->xsize*scp->ysize) count = scp->xsize*scp->ysize - from; if (flip) { for (p = sc_vtb_pointer(&scp->scr, from); count-- > 0; ++from) { c = sc_vtb_getc(&scp->vtb, from); a = sc_vtb_geta(&scp->vtb, from); a = vga_flipattr(a, TRUE); p = sc_vtb_putchar(&scp->scr, p, c, a); } } else { sc_vtb_copy(&scp->vtb, from, &scp->scr, from, count); } } static void vga_txtcursor_shape(scr_stat *scp, int base, int height, int blink) { vga_setmdp(scp); if (base < 0 || base >= scp->font_size) return; /* the caller may set height <= 0 in order to disable the cursor */ vidd_set_hw_cursor_shape(scp->sc->adp, base, height, scp->font_size, blink); } static void draw_txtcharcursor(scr_stat *scp, int at, u_short c, u_short a, int flip) { sc_softc_t *sc; sc = scp->sc; #ifndef SC_NO_FONT_LOADING if (scp->curs_attr.flags & CONS_CHAR_CURSOR) { unsigned char *font; int h; int i; if (scp->font_size < 14) { font = sc->font_8; h = 8; } else if (scp->font_size >= 16) { font = sc->font_16; h = 16; } else { font = sc->font_14; h = 14; } if (scp->curs_attr.base >= h) return; if (flip) a = vga_flipattr(a, TRUE); /* * This clause handles partial-block cursors in text mode. * We want to change the attribute only under the partial * block, but in text mode we can only change full blocks. * Use reverse video instead. */ bcopy(font + c*h, font + sc->cursor_char*h, h); font = font + sc->cursor_char*h; for (i = imax(h - scp->curs_attr.base - scp->curs_attr.height, 0); i < h - scp->curs_attr.base; ++i) { font[i] ^= 0xff; } /* XXX */ vidd_load_font(sc->adp, 0, h, 8, font, sc->cursor_char, 1); sc_vtb_putc(&scp->scr, at, sc->cursor_char, a); } else #endif /* SC_NO_FONT_LOADING */ { if (flip) a = vga_flipattr(a, TRUE); a = vga_cursorattr_adj(scp, a, TRUE); sc_vtb_putc(&scp->scr, at, c, a); } } static void vga_txtcursor(scr_stat *scp, int at, int blink, int on, int flip) { video_adapter_t *adp; int cursor_attr; if (scp->curs_attr.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; vidd_set_hw_cursor(adp, at%scp->xsize, at/scp->xsize); } else { if (scp->status & VR_CURSOR_ON) vidd_set_hw_cursor(adp, -1, -1); scp->status &= ~VR_CURSOR_ON; } } else { scp->status &= ~VR_CURSOR_BLINK; if (on) { scp->status |= VR_CURSOR_ON; draw_txtcharcursor(scp, at, sc_vtb_getc(&scp->vtb, at), sc_vtb_geta(&scp->vtb, at), flip); } else { cursor_attr = sc_vtb_geta(&scp->vtb, at); if (flip) cursor_attr = vga_flipattr(cursor_attr, TRUE); if (scp->status & VR_CURSOR_ON) sc_vtb_putc(&scp->scr, at, sc_vtb_getc(&scp->vtb, at), cursor_attr); scp->status &= ~VR_CURSOR_ON; } } } static void vga_txtblink(scr_stat *scp, int at, int flip) { } int sc_txtmouse_no_retrace_wait; #ifndef SC_NO_CUTPASTE static void draw_txtmouse(scr_stat *scp, int x, int y) { #ifndef SC_ALT_MOUSE_IMAGE if (ISMOUSEAVAIL(scp->sc->adp->va_flags)) { const struct mousedata *mdp; uint32_t border, interior; u_char font_buf[128]; u_short cursor[32]; u_char c; int pos; int xoffset, yoffset; int crtc_addr; int i; mdp = scp->mouse_data; /* prepare mousepointer char's bitmaps */ pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff; bcopy(scp->font + sc_vtb_getc(&scp->scr, pos)*scp->font_size, &font_buf[0], scp->font_size); bcopy(scp->font + sc_vtb_getc(&scp->scr, pos + 1)*scp->font_size, &font_buf[32], scp->font_size); bcopy(scp->font + sc_vtb_getc(&scp->scr, pos + scp->xsize)*scp->font_size, &font_buf[64], scp->font_size); bcopy(scp->font + sc_vtb_getc(&scp->scr, pos + scp->xsize + 1)*scp->font_size, &font_buf[96], scp->font_size); for (i = 0; i < scp->font_size; ++i) { cursor[i] = font_buf[i]<<8 | font_buf[i+32]; cursor[i + scp->font_size] = font_buf[i+64]<<8 | font_buf[i+96]; } /* now and-or in the mousepointer image */ xoffset = x%8; yoffset = y%scp->font_size; for (i = 0; i < 16; ++i) { border = mdp->md_border[i] << 8; /* avoid right shifting out */ interior = mdp->md_interior[i] << 8; border >>= xoffset; /* normalize */ interior >>= xoffset; if (scp->sc->adp->va_flags & V_ADP_CWIDTH9) { /* skip gaps between characters */ border = (border & 0xff0000) | (border & 0x007f80) << 1 | (border & 0x00003f) << 2; interior = (interior & 0xff0000) | (interior & 0x007f80) << 1 | (interior & 0x00003f) << 2; } border >>= 8; /* back to normal position */ interior >>= 8; cursor[i + yoffset] = (cursor[i + yoffset] & ~border) | interior; } for (i = 0; i < scp->font_size; ++i) { font_buf[i] = (cursor[i] & 0xff00) >> 8; font_buf[i + 32] = cursor[i] & 0xff; font_buf[i + 64] = (cursor[i + scp->font_size] & 0xff00) >> 8; font_buf[i + 96] = cursor[i + scp->font_size] & 0xff; } #if 1 /* wait for vertical retrace to avoid jitter on some videocards */ crtc_addr = scp->sc->adp->va_crtc_addr; while (!sc_txtmouse_no_retrace_wait && !(inb(crtc_addr + 6) & 0x08)) /* idle */ ; #endif c = scp->sc->mouse_char; vidd_load_font(scp->sc->adp, 0, 32, 8, font_buf, c, 4); sc_vtb_putc(&scp->scr, pos, c, sc_vtb_geta(&scp->scr, pos)); /* FIXME: may be out of range! */ sc_vtb_putc(&scp->scr, pos + scp->xsize, c + 2, sc_vtb_geta(&scp->scr, pos + scp->xsize)); if (x < (scp->xsize - 1)*8) { sc_vtb_putc(&scp->scr, pos + 1, c + 1, sc_vtb_geta(&scp->scr, pos + 1)); sc_vtb_putc(&scp->scr, pos + scp->xsize + 1, c + 3, sc_vtb_geta(&scp->scr, pos + scp->xsize + 1)); } } else #endif /* SC_ALT_MOUSE_IMAGE */ { /* Red, magenta and brown are mapped to green to keep it readable */ static const int col_conv[16] = { 6, 6, 6, 6, 2, 2, 2, 6, 14, 14, 14, 14, 10, 10, 10, 14 }; int pos; int color; int a; pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff; a = sc_vtb_geta(&scp->scr, pos); if (scp->sc->adp->va_flags & V_ADP_COLOR) color = (col_conv[(a & 0xf000) >> 12] << 12) | ((a & 0x0f00) | 0x0800); else color = ((a & 0xf000) >> 4) | ((a & 0x0f00) << 4); sc_vtb_putc(&scp->scr, pos, sc_vtb_getc(&scp->scr, pos), color); } } static void remove_txtmouse(scr_stat *scp, int x, int y) { } static void vga_txtmouse(scr_stat *scp, int x, int y, int on) { if (on) draw_txtmouse(scp, x, y); else remove_txtmouse(scp, x, y); } #endif /* SC_NO_CUTPASTE */ #ifdef SC_PIXEL_MODE /* pixel (raster text) mode renderer */ static void vga_rndrinit(scr_stat *scp) { if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PLANAR) { scp->rndr->clear = vga_pxlclear_planar; scp->rndr->draw_border = vga_pxlborder_planar; scp->rndr->draw = vga_vgadraw_planar; scp->rndr->draw_cursor = vga_pxlcursor_planar; scp->rndr->blink_cursor = vga_pxlblink_planar; scp->rndr->draw_mouse = vga_pxlmouse_planar; } else if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT || scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PACKED) { scp->rndr->clear = vga_pxlclear_direct; scp->rndr->draw_border = vga_pxlborder_direct; scp->rndr->draw = vga_vgadraw_direct; scp->rndr->draw_cursor = vga_pxlcursor_direct; scp->rndr->blink_cursor = vga_pxlblink_direct; scp->rndr->draw_mouse = vga_pxlmouse_direct; } } static void vga_pxlclear_direct(scr_stat *scp, int c, int attr) { vm_offset_t p; int line_width; int pixel_size; int lines; int i; line_width = scp->sc->adp->va_line_width; pixel_size = scp->sc->adp->va_info.vi_pixel_size; lines = scp->ysize * scp->font_size; p = scp->sc->adp->va_window + line_width * scp->yoff * scp->font_size + scp->xoff * 8 * pixel_size; for (i = 0; i < lines; ++i) { bzero_io((void *)p, scp->xsize * 8 * pixel_size); p += line_width; } } static void vga_pxlclear_planar(scr_stat *scp, int c, int attr) { vm_offset_t p; int line_width; int lines; int i; /* XXX: we are just filling the screen with the background color... */ outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ outw(GDCIDX, 0x0f01); /* set/reset enable */ outw(GDCIDX, 0xff08); /* bit mask */ outw(GDCIDX, ((attr & 0xf000) >> 4) | 0x00); /* set/reset */ line_width = scp->sc->adp->va_line_width; lines = scp->ysize*scp->font_size; p = scp->sc->adp->va_window + line_width*scp->yoff*scp->font_size + scp->xoff; for (i = 0; i < lines; ++i) { bzero_io((void *)p, scp->xsize); p += line_width; } outw(GDCIDX, 0x0000); /* set/reset */ outw(GDCIDX, 0x0001); /* set/reset enable */ } static void vga_pxlborder_direct(scr_stat *scp, int color) { vm_offset_t s; vm_offset_t e; vm_offset_t f; int line_width; int pixel_size; int x; int y; int i; line_width = scp->sc->adp->va_line_width; pixel_size = scp->sc->adp->va_info.vi_pixel_size; if (scp->yoff > 0) { s = scp->sc->adp->va_window; e = s + line_width * scp->yoff * scp->font_size; for (f = s; f < e; f += pixel_size) DRAW_PIXEL(scp, f, color); } y = (scp->yoff + scp->ysize) * scp->font_size; if (scp->ypixel > y) { s = scp->sc->adp->va_window + line_width * y; e = s + line_width * (scp->ypixel - y); for (f = s; f < e; f += pixel_size) DRAW_PIXEL(scp, f, color); } y = scp->yoff * scp->font_size; x = scp->xpixel / 8 - scp->xoff - scp->xsize; for (i = 0; i < scp->ysize * scp->font_size; ++i) { if (scp->xoff > 0) { s = scp->sc->adp->va_window + line_width * (y + i); e = s + scp->xoff * 8 * pixel_size; for (f = s; f < e; f += pixel_size) DRAW_PIXEL(scp, f, color); } if (x > 0) { s = scp->sc->adp->va_window + line_width * (y + i) + scp->xoff * 8 * pixel_size + scp->xsize * 8 * pixel_size; e = s + x * 8 * pixel_size; for (f = s; f < e; f += pixel_size) DRAW_PIXEL(scp, f, color); } } } static void vga_pxlborder_planar(scr_stat *scp, int color) { vm_offset_t p; int line_width; int x; int y; int i; vidd_set_border(scp->sc->adp, color); outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ outw(GDCIDX, 0x0f01); /* set/reset enable */ outw(GDCIDX, 0xff08); /* bit mask */ outw(GDCIDX, (color << 8) | 0x00); /* set/reset */ line_width = scp->sc->adp->va_line_width; p = scp->sc->adp->va_window; if (scp->yoff > 0) bzero_io((void *)p, line_width*scp->yoff*scp->font_size); y = (scp->yoff + scp->ysize)*scp->font_size; if (scp->ypixel > y) bzero_io((void *)(p + line_width*y), line_width*(scp->ypixel - y)); y = scp->yoff*scp->font_size; x = scp->xpixel/8 - scp->xoff - scp->xsize; for (i = 0; i < scp->ysize*scp->font_size; ++i) { if (scp->xoff > 0) bzero_io((void *)(p + line_width*(y + i)), scp->xoff); if (x > 0) bzero_io((void *)(p + line_width*(y + i) + scp->xoff + scp->xsize), x); } outw(GDCIDX, 0x0000); /* set/reset */ outw(GDCIDX, 0x0001); /* set/reset enable */ } static void vga_vgadraw_direct(scr_stat *scp, int from, int count, int flip) { vm_offset_t d; vm_offset_t e; u_char *f; u_short col1, col2, color; int line_width, pixel_size; int i, j, k; int a; line_width = scp->sc->adp->va_line_width; pixel_size = scp->sc->adp->va_info.vi_pixel_size; d = GET_PIXEL(scp, from, 8 * pixel_size, line_width); if (from + count > scp->xsize * scp->ysize) count = scp->xsize * scp->ysize - from; for (i = from; count-- > 0; ++i) { a = sc_vtb_geta(&scp->vtb, i); if (flip) a = vga_flipattr(a, FALSE); col1 = (a & 0x0f00) >> 8; col2 = (a & 0xf000) >> 12; e = d; f = &(scp->font[sc_vtb_getc(&scp->vtb, i) * scp->font_size]); for (j = 0; j < scp->font_size; ++j, ++f) { for (k = 0; k < 8; ++k) { color = *f & (1 << (7 - k)) ? col1 : col2; DRAW_PIXEL(scp, e + pixel_size * k, color); } e += line_width; } d += 8 * pixel_size; if ((i % scp->xsize) == scp->xsize - 1) d += scp->font_size * line_width - scp->xsize * 8 * pixel_size; } } static void vga_vgadraw_planar(scr_stat *scp, int from, int count, int flip) { vm_offset_t d; vm_offset_t e; u_char *f; u_short bg, fg; u_short col1, col2; int line_width; int i, j; int a; u_char c; line_width = scp->sc->adp->va_line_width; d = GET_PIXEL(scp, from, 1, line_width); if (scp->sc->adp->va_type == KD_VGA) { outw(GDCIDX, 0x0305); /* read mode 0, write mode 3 */ outw(GDCIDX, 0xff08); /* bit mask */ } else outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ outw(GDCIDX, 0x0f01); /* set/reset enable */ fg = bg = -1; if (from + count > scp->xsize*scp->ysize) count = scp->xsize*scp->ysize - from; for (i = from; count-- > 0; ++i) { a = sc_vtb_geta(&scp->vtb, i); if (flip) a = vga_flipattr(a, FALSE); col1 = a & 0x0f00; col2 = (a & 0xf000) >> 4; /* set background color in EGA/VGA latch */ if (bg != col2) { bg = col2; fg = -1; outw(GDCIDX, bg | 0x00); /* set/reset */ if (scp->sc->adp->va_type != KD_VGA) outw(GDCIDX, 0xff08); /* bit mask */ writeb(d, 0xff); c = readb(d); /* set bg color in the latch */ } /* foreground color */ if (fg != col1) { fg = col1; outw(GDCIDX, col1 | 0x00); /* set/reset */ } e = d; f = &(scp->font[sc_vtb_getc(&scp->vtb, i)*scp->font_size]); for (j = 0; j < scp->font_size; ++j, ++f) { if (scp->sc->adp->va_type == KD_VGA) writeb(e, *f); else { outw(GDCIDX, (*f << 8) | 0x08); /* bit mask */ writeb(e, 0); } e += line_width; } ++d; if ((i % scp->xsize) == scp->xsize - 1) d += scp->font_size * line_width - scp->xsize; } if (scp->sc->adp->va_type == KD_VGA) outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ else outw(GDCIDX, 0xff08); /* bit mask */ outw(GDCIDX, 0x0000); /* set/reset */ outw(GDCIDX, 0x0001); /* set/reset enable */ } static void vga_pxlcursor_shape(scr_stat *scp, int base, int height, int blink) { vga_setmdp(scp); } static void draw_pxlcursor_direct(scr_stat *scp, int at, int on, int flip) { vm_offset_t d; u_char *f; int line_width, pixel_size; int height; int col1, col2, color; int a; int i, j; line_width = scp->sc->adp->va_line_width; pixel_size = scp->sc->adp->va_info.vi_pixel_size; d = GET_PIXEL(scp, at, 8 * pixel_size, line_width) + (scp->font_size - scp->curs_attr.base - 1) * line_width; a = sc_vtb_geta(&scp->vtb, at); if (flip) a = vga_flipattr(a, FALSE); if (on) a = vga_cursorattr_adj(scp, a, FALSE); col1 = (a & 0x0f00) >> 8; col2 = a >> 12; f = &(scp->font[sc_vtb_getc(&scp->vtb, at) * scp->font_size + scp->font_size - scp->curs_attr.base - 1]); height = imin(scp->curs_attr.height, scp->font_size); for (i = 0; i < height; ++i, --f) { for (j = 0; j < 8; ++j) { color = *f & (1 << (7 - j)) ? col1 : col2; DRAW_PIXEL(scp, d + pixel_size * j, color); } d -= line_width; } } static void draw_pxlcursor_planar(scr_stat *scp, int at, int on, int flip) { vm_offset_t d; u_char *f; int line_width; int height; int col; int a; int i; u_char c; line_width = scp->sc->adp->va_line_width; d = GET_PIXEL(scp, at, 1, line_width) + (scp->font_size - scp->curs_attr.base - 1) * line_width; outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ outw(GDCIDX, 0x0f01); /* set/reset enable */ /* set background color in EGA/VGA latch */ a = sc_vtb_geta(&scp->vtb, at); if (flip) a = vga_flipattr(a, FALSE); if (on) a = vga_cursorattr_adj(scp, a, FALSE); col = (a & 0xf000) >> 4; outw(GDCIDX, col | 0x00); /* set/reset */ outw(GDCIDX, 0xff08); /* bit mask */ writeb(d, 0); c = readb(d); /* set bg color in the latch */ /* foreground color */ col = a & 0x0f00; outw(GDCIDX, col | 0x00); /* set/reset */ f = &(scp->font[sc_vtb_getc(&scp->vtb, at)*scp->font_size + scp->font_size - scp->curs_attr.base - 1]); height = imin(scp->curs_attr.height, scp->font_size); for (i = 0; i < height; ++i, --f) { outw(GDCIDX, (*f << 8) | 0x08); /* bit mask */ writeb(d, 0); d -= line_width; } outw(GDCIDX, 0x0000); /* set/reset */ outw(GDCIDX, 0x0001); /* set/reset enable */ outw(GDCIDX, 0xff08); /* bit mask */ } static int pxlblinkrate = 0; static void vga_pxlcursor_direct(scr_stat *scp, int at, int blink, int on, int flip) { if (scp->curs_attr.height <= 0) /* the text cursor is disabled */ return; if (on) { if (!blink) { scp->status |= VR_CURSOR_ON; draw_pxlcursor_direct(scp, at, on, flip); } else if (++pxlblinkrate & 4) { pxlblinkrate = 0; scp->status ^= VR_CURSOR_ON; draw_pxlcursor_direct(scp, at, scp->status & VR_CURSOR_ON, flip); } } else { if (scp->status & VR_CURSOR_ON) draw_pxlcursor_direct(scp, at, on, flip); scp->status &= ~VR_CURSOR_ON; } if (blink) scp->status |= VR_CURSOR_BLINK; else scp->status &= ~VR_CURSOR_BLINK; } static void vga_pxlcursor_planar(scr_stat *scp, int at, int blink, int on, int flip) { if (scp->curs_attr.height <= 0) /* the text cursor is disabled */ return; if (on) { if (!blink) { scp->status |= VR_CURSOR_ON; draw_pxlcursor_planar(scp, at, on, flip); } else if (++pxlblinkrate & 4) { pxlblinkrate = 0; scp->status ^= VR_CURSOR_ON; draw_pxlcursor_planar(scp, at, scp->status & VR_CURSOR_ON, flip); } } else { if (scp->status & VR_CURSOR_ON) draw_pxlcursor_planar(scp, at, on, flip); scp->status &= ~VR_CURSOR_ON; } if (blink) scp->status |= VR_CURSOR_BLINK; else scp->status &= ~VR_CURSOR_BLINK; } static void vga_pxlblink_direct(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; draw_pxlcursor_direct(scp, at, scp->status & VR_CURSOR_ON, flip); } static void vga_pxlblink_planar(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; draw_pxlcursor_planar(scp, at, scp->status & VR_CURSOR_ON, flip); } #ifndef SC_NO_CUTPASTE static void draw_pxlmouse_planar(scr_stat *scp, int x, int y) { const struct mousedata *mdp; vm_offset_t p; int line_width; int xoff, yoff; int ymax; uint32_t m; int i, j, k; uint8_t m1; mdp = scp->mouse_data; line_width = scp->sc->adp->va_line_width; xoff = (x - scp->xoff*8)%8; yoff = y - rounddown(y, line_width); ymax = imin(y + mdp->md_height, scp->ypixel); if (scp->sc->adp->va_type == KD_VGA) { outw(GDCIDX, 0x0305); /* read mode 0, write mode 3 */ outw(GDCIDX, 0xff08); /* bit mask */ } else outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ outw(GDCIDX, 0x0f01); /* set/reset enable */ outw(GDCIDX, (scp->curs_attr.mouse_ba << 8) | 0x00); /* set/reset */ p = scp->sc->adp->va_window + line_width*y + x/8; for (i = y, j = 0; i < ymax; ++i, ++j) { m = mdp->md_border[j] << 8 >> xoff; for (k = 0; k < 3; ++k) { m1 = m >> (8 * (2 - k)); if (m1 != 0 && x + 8 * k < scp->xpixel) { readb(p + k); if (scp->sc->adp->va_type == KD_VGA) writeb(p + k, m1); else { /* bit mask: */ outw(GDCIDX, (m1 << 8) | 0x08); writeb(p + k, 0); } } } p += line_width; } outw(GDCIDX, (scp->curs_attr.mouse_ia << 8) | 0x00); /* set/reset */ p = scp->sc->adp->va_window + line_width*y + x/8; for (i = y, j = 0; i < ymax; ++i, ++j) { m = mdp->md_interior[j] << 8 >> xoff; for (k = 0; k < 3; ++k) { m1 = m >> (8 * (2 - k)); if (m1 != 0 && x + 8 * k < scp->xpixel) { readb(p + k); if (scp->sc->adp->va_type == KD_VGA) writeb(p + k, m1); else { /* bit mask: */ outw(GDCIDX, (m1 << 8) | 0x08); writeb(p + k, 0); } } } p += line_width; } if (scp->sc->adp->va_type == KD_VGA) outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ else outw(GDCIDX, 0xff08); /* bit mask */ outw(GDCIDX, 0x0000); /* set/reset */ outw(GDCIDX, 0x0001); /* set/reset enable */ } static void remove_pxlmouse_planar(scr_stat *scp, int x, int y) { const struct mousedata *mdp; vm_offset_t p; int bx, by, i, line_width, xend, xoff, yend, yoff; mdp = scp->mouse_data; /* * It is only necessary to remove the mouse image where it overlaps * the border. Determine the overlap, and do nothing if it is empty. */ bx = (scp->xoff + scp->xsize) * 8; by = (scp->yoff + scp->ysize) * scp->font_size; xend = imin(x + mdp->md_width, scp->xpixel); yend = imin(y + mdp->md_height, scp->ypixel); if (xend <= bx && yend <= by) return; /* Repaint the non-empty overlap. */ line_width = scp->sc->adp->va_line_width; outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ outw(GDCIDX, 0x0f01); /* set/reset enable */ outw(GDCIDX, 0xff08); /* bit mask */ outw(GDCIDX, (scp->border << 8) | 0x00); /* set/reset */ for (i = x / 8, xoff = i * 8; xoff < xend; ++i, xoff += 8) { yoff = (xoff >= bx) ? y : by; p = scp->sc->adp->va_window + yoff * line_width + i; for (; yoff < yend; ++yoff, p += line_width) writeb(p, 0); } outw(GDCIDX, 0x0000); /* set/reset */ outw(GDCIDX, 0x0001); /* set/reset enable */ } static void vga_pxlmouse_direct(scr_stat *scp, int x, int y, int on) { const struct mousedata *mdp; vm_offset_t p; int line_width, pixel_size; int xend, yend; int i, j; mdp = scp->mouse_data; /* * Determine overlap with the border and then if removing, do nothing * if the overlap is empty. */ xend = imin(x + mdp->md_width, scp->xpixel); yend = imin(y + mdp->md_height, scp->ypixel); if (!on && xend <= (scp->xoff + scp->xsize) * 8 && yend <= (scp->yoff + scp->ysize) * scp->font_size) return; line_width = scp->sc->adp->va_line_width; pixel_size = scp->sc->adp->va_info.vi_pixel_size; if (on) goto do_on; /* Repaint overlap with the border (mess up the corner a little). */ p = scp->sc->adp->va_window + y * line_width + x * pixel_size; for (i = 0; i < yend - y; i++, p += line_width) for (j = xend - x - 1; j >= 0; j--) DRAW_PIXEL(scp, p + j * pixel_size, scp->border); return; do_on: p = scp->sc->adp->va_window + y * line_width + x * pixel_size; for (i = 0; i < yend - y; i++, p += line_width) for (j = xend - x - 1; j >= 0; j--) if (mdp->md_interior[i] & (1 << (15 - j))) DRAW_PIXEL(scp, p + j * pixel_size, scp->curs_attr.mouse_ia); else if (mdp->md_border[i] & (1 << (15 - j))) DRAW_PIXEL(scp, p + j * pixel_size, scp->curs_attr.mouse_ba); } static void vga_pxlmouse_planar(scr_stat *scp, int x, int y, int on) { if (on) draw_pxlmouse_planar(scp, x, y); else remove_pxlmouse_planar(scp, x, y); } #endif /* SC_NO_CUTPASTE */ #endif /* SC_PIXEL_MODE */ #ifndef SC_NO_MODE_CHANGE /* graphics mode renderer */ static void vga_grborder(scr_stat *scp, int color) { vidd_set_border(scp->sc->adp, color); } #endif
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