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/* $NetBSD: sfbtextops.i,v 1.1 1999/12/03 09:50:54 nisimura Exp $ */
/*
* Copyright (c) 1999 Tohru Nishimura. 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.
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Tohru Nishimura
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* This file is a part of sfbptextops.c/sfbptextops32.c and to be
* included by them on compilation.
*
* One #define symbol controls SFB+ features.
*
* SFBBPP
* value either 8 or 32.
*
* XXX Pursue the differences between SFB and SFB+, and merge sfb.c. XXX
*/
#ifndef SFBBPP
#define SFBBPP 8
#endif
#define MODE_SIMPLE 0
#define MODE_OPAQUESTIPPLE 1
#define MODE_OPAQUELINE 2
#define MODE_TRANSPARENTSTIPPLE 5
#define MODE_TRANSPARENTLINE 6
#define MODE_COPY 7
#define MODE_TRANSPARENTFILL (5+0x20)
#if SFBBPP == 8
/* parameters for 8bpp configuration */
#define SFBALIGNMASK 0x7
#define SFBPIXELBYTES 1
#define SFBSTIPPLEALL1 0xffffffff
#define SFBSTIPPLEBITS 32
#define SFBSTIPPLEBITMASK 0x1f
#define SFBSTIPPLEBYTESDONE 32
#define SFBCOPYALL1 0xffffffff
#define SFBCOPYBITS 32
#define SFBCOPYBITMASK 0x1f
#define SFBCOPYBYTESDONE 32
#define XXXCOLOR 0x01010101
#elif SFBBPP == 32
/* parameters for 32bpp configuration */
#define SFBALIGNMASK 0x7
#define SFBPIXELBYTES 4
#define SFBSTIPPLEALL1 0x0000ffff
#define SFBSTIPPLEBITS 16
#define SFBSTIPPLEBITMASK 0xf
#define SFBSTIPPLEBYTESDONE 32
#define SFBCOPYALL1 0x000000ff
#define SFBCOPYBITS 8
#define SFBCOPYBITMASK 0x3
#define SFBCOPYBYTESDONE 32
#define XXXCOLOR 0x00ffffff
#endif
#ifdef pmax
#define WRITE_MB()
#endif
#ifdef alpha
#define WRITE_MB() tc_wmb()
#endif
#define SFBMODE(p, v) \
(*(u_int32_t *)((p) + SFB_ASIC_MODE) = (v))
#define SFBROP(p, v) \
(*(u_int32_t *)((p) + SFB_ASIC_ROP) = (v))
#define SFBPLANEMASK(p, v) \
(*(u_int32_t *)((p) + SFB_ASIC_PLANEMASK) = (v))
#define SFBPIXELMASK(p, v) \
(*(u_int32_t *)((p) + SFB_ASIC_PIXELMASK) = (v))
#define SFBADDRESS(p, v) \
(*(u_int32_t *)((p) + SFB_ASIC_ADDRESS) = (v))
#define SFBSTART(p, v) \
(*(u_int32_t *)((p) + SFB_ASIC_START) = (v))
#define SFBPIXELSHIFT(p, v) \
(*(u_int32_t *)((p) + SFB_ASIC_PIXELSHIFT) = (v))
#define SFBFG(p, v) \
(*(u_int32_t *)((p) + SFB_ASIC_FG) = (v))
#define SFBBG(p, v) \
(*(u_int32_t *)((p) + SFB_ASIC_BG) = (v))
#define SFBBCONT(p, v) \
(*(u_int32_t *)((p) + SFB_ASIC_BCONT) = (v))
#define SFBDATA(p, v) \
(*((u_int32_t *)(p) + TGA_REG_GDAR) = (v))
#if SFBBPP == 8
#define TEXTOP(name) sfbp_ ## name
#elif SFBBPP == 32
#define TEXTOP(name) sfbp_ ## name ## 32
#endif
static void TEXTOP(cursor) __P((void *, int, int, int));
static int TEXTOP(mapchar) __P((void *, int, unsigned int *));
static void TEXTOP(putchar) __P((void *, int, int, u_int, long));
static void TEXTOP(copycols) __P((void *, int, int, int, int));
static void TEXTOP(erasecols) __P((void *, int, int, int, long));
static void TEXTOP(copyrows) __P((void *, int, int, int));
static void TEXTOP(eraserows) __P((void *, int, int, long));
extern int sfb_alloc_attr __P((void *, int, int, int, long *));
const struct wsdisplay_emulops TEXTOP(emulops) = {
TEXTOP(cursor), /* could use hardware cursor; punt */
TEXTOP(mapchar),
TEXTOP(putchar),
TEXTOP(copycols),
TEXTOP(erasecols),
TEXTOP(copyrows),
TEXTOP(eraserows),
sfb_alloc_attr
};
/*
* Paint (or unpaint) the cursor.
*/
static void
TEXTOP(cursor)(id, on, row, col)
void *id;
int on, row, col;
{
struct rcons *rc = id;
struct raster *rap = rc->rc_sp;
caddr_t sfb, p;
int scanspan, height, x, y, count;
/* turn the cursor off */
if (!on) {
/* make sure it's on */
if ((rc->rc_bits & RC_CURSOR) == 0)
return;
row = *rc->rc_crowp;
col = *rc->rc_ccolp;
} else {
/* unpaint the old copy. */
*rc->rc_crowp = row;
*rc->rc_ccolp = col;
}
x = col * rc->rc_font->width + rc->rc_xorigin;
y = row * rc->rc_font->height + rc->rc_yorigin;
scanspan = rap->linelongs * 4;
height = rc->rc_font->height;
count = rc->rc_font->width - 1;
p = (caddr_t)rap->pixels + y * scanspan + x * SFBPIXELBYTES;
sfb = rap->data;
SFBMODE(sfb, MODE_TRANSPARENTFILL);
SFBPLANEMASK(sfb, ~0);
SFBROP(sfb, 6); /* ROP_XOR */
SFBFG(sfb, XXXCOLOR); /* (fg ^ bg) to swap fg/bg */
SFBDATA(sfb, ~0); /* fill mask */
while (height > 0) {
SFBADDRESS(sfb, (long)p);
SFBBCONT(sfb, count);
p += scanspan;
height--;
}
SFBMODE(sfb, MODE_SIMPLE);
SFBROP(sfb, 3); /* ROP_COPY */
rc->rc_bits ^= RC_CURSOR;
}
/*
* Actually write a string to the frame buffer.
*/
static int
TEXTOP(mapchar)(id, uni, index)
void *id;
int uni;
unsigned int *index;
{
if (uni < 128) {
*index = uni;
return (5);
}
*index = ' ';
return (0);
}
/*
* Actually write a string to the frame buffer.
*/
static void
TEXTOP(putchar)(id, row, col, uc, attr)
void *id;
int row, col;
u_int uc;
long attr;
{
struct rcons *rc = id;
struct raster *rap = rc->rc_sp;
caddr_t sfb, p;
int scanspan, height, width, align, x, y;
u_int32_t lmask, rmask, glyph;
u_int32_t *g;
if (uc < 0x20 || uc >= 127) return; /* XXX why \033 is creaping in !? XXX */
x = col * rc->rc_font->width + rc->rc_xorigin;
y = row * rc->rc_font->height + rc->rc_yorigin;
scanspan = rap->linelongs * 4;
height = rc->rc_font->height;
g = rc->rc_font->chars[uc].r->pixels;
p = (caddr_t)rap->pixels + y * scanspan + x * SFBPIXELBYTES;
align = (long)p & SFBALIGNMASK;
p -= align;
align /= SFBPIXELBYTES;
width = rc->rc_font->width + align;
lmask = SFBSTIPPLEALL1 << align;
rmask = SFBSTIPPLEALL1 >> (-width & SFBSTIPPLEBITMASK);
sfb = rap->data;
attr = (attr != 0) ^ (rc->rc_bits & RC_INVERT);
SFBMODE(sfb, MODE_OPAQUESTIPPLE);
SFBPLANEMASK(sfb, ~0);
SFBFG(sfb, (attr == 0) ? XXXCOLOR : 0);
SFBBG(sfb, (attr == 0) ? 0 : XXXCOLOR);
if (width <= SFBSTIPPLEBITS) {
lmask = lmask & rmask;
while (height > 0) {
SFBPIXELMASK(sfb, lmask);
WRITE_MB();
#if 0 /* not sure this can work */
SFBADDRESS(sfb, (long)p);
SFBBCONT(sfb, glyph << align);
#else /* safer but slower */
*(u_int32_t *)p = glyph << align;
#endif
WRITE_MB();
p += scanspan;
g += 1;
height--;
}
}
else {
caddr_t q = p;
while (height > 0) {
glyph = *g;
SFBPIXELMASK(sfb, lmask);
WRITE_MB();
*(u_int32_t *)p = glyph << align;
WRITE_MB();
p += SFBSTIPPLEBYTESDONE;
SFBPIXELMASK(sfb, rmask);
WRITE_MB();
*(u_int32_t *)p = glyph >> (-width & SFBSTIPPLEBITMASK);
WRITE_MB();
p = (q += scanspan);
g += 1;
height--;
}
}
SFBMODE(sfb, MODE_SIMPLE);
SFBPIXELMASK(sfb, ~0); /* entire pixel */
}
/*
* Copy characters in a line.
*/
static void
TEXTOP(copycols)(id, row, srccol, dstcol, ncols)
void *id;
int row, srccol, dstcol, ncols;
{
struct rcons *rc = id;
struct raster *rap = rc->rc_sp;
caddr_t sp, dp, basex, sfb;
int scanspan, height, width, aligns, alignd, shift, w, y;
u_int32_t lmasks, rmasks, lmaskd, rmaskd;
scanspan = rap->linelongs * 4;
y = rc->rc_yorigin + rc->rc_font->height * row;
basex = (caddr_t)rap->pixels + y * scanspan + rc->rc_xorigin;
height = rc->rc_font->height;
w = rc->rc_font->width * ncols;
sp = basex + rc->rc_font->width * srccol;
aligns = (long)sp & SFBALIGNMASK;
dp = basex + rc->rc_font->width * dstcol;
alignd = (long)dp & SFBALIGNMASK;
sfb = rap->data;
SFBMODE(sfb, MODE_COPY);
SFBPLANEMASK(sfb, ~0);
/* copy forward (left-to-right) */
if (dstcol < srccol || srccol + ncols < dstcol) {
caddr_t sq, dq;
shift = alignd - aligns;
if (shift < 0) {
dp -= 8; /* prime left edge */
alignd += 8; /* compensate it */
width = aligns + w + 8; /* adjust total width */
shift = 8 + shift; /* enforce right rotate */
}
else if (shift > 0)
width = aligns + w + 8; /* enfore drain at right edge */
lmasks = SFBCOPYALL1 << aligns;
rmasks = SFBCOPYALL1 >> (-width & SFBCOPYBITMASK);
lmaskd = SFBCOPYALL1 << alignd;
rmaskd = SFBCOPYALL1 >> (-(w + alignd) & SFBCOPYBITMASK);
if (w + alignd <= SFBCOPYBITS)
goto singlewrite;
SFBPIXELSHIFT(sfb, shift);
w = width;
sq = sp;
dq = dp;
while (height > 0) {
*(u_int32_t *)sp = lmasks;
WRITE_MB();
*(u_int32_t *)dp = lmaskd;
WRITE_MB();
width -= 2 * SFBCOPYBITS;
while (width > 0) {
sp += SFBCOPYBYTESDONE;
dp += SFBCOPYBYTESDONE;
*(u_int32_t *)sp = SFBCOPYALL1;
WRITE_MB();
*(u_int32_t *)dp = SFBCOPYALL1;
WRITE_MB();
width -= SFBCOPYBITS;
}
sp += SFBCOPYBYTESDONE;
dp += SFBCOPYBYTESDONE;
*(u_int32_t *)sp = rmasks;
WRITE_MB();
*(u_int32_t *)dp = rmaskd;
WRITE_MB();
sp = (sq += scanspan);
dp = (dq += scanspan);
width = w;
height--;
}
}
/* copy backward (right-to-left) */
else {
caddr_t sq, dq;
shift = alignd - aligns;
if (shift > 0) {
shift = shift - 8;
w += 8;
}
width = w + aligns;
lmasks = SFBCOPYALL1 << aligns;
rmasks = SFBCOPYALL1 >> (-width & SFBCOPYBITMASK);
lmaskd = SFBCOPYALL1 << alignd;
rmaskd = SFBCOPYALL1 >> (-(w + alignd) & SFBCOPYBITMASK);
if (w + alignd <= SFBCOPYBITS)
goto singlewrite;
SFBPIXELSHIFT(sfb, shift);
w = width;
sq = (sp += width);
dq = (dp += width);
while (height > 0) {
*(u_int32_t *)sp = rmasks;
WRITE_MB();
*(u_int32_t *)dp = rmaskd;
WRITE_MB();
width -= 2 * SFBCOPYBITS;
while (width > 0) {
sp -= SFBCOPYBYTESDONE;
dp -= SFBCOPYBYTESDONE;
*(u_int32_t *)sp = SFBCOPYALL1;
WRITE_MB();
*(u_int32_t *)dp = SFBCOPYALL1;
WRITE_MB();
width -= SFBCOPYBITS;
}
sp -= SFBCOPYBYTESDONE;
dp -= SFBCOPYBYTESDONE;
*(u_int32_t *)sp = lmasks;
WRITE_MB();
*(u_int32_t *)dp = lmaskd;
WRITE_MB();
sp = (sq += scanspan);
dp = (dq += scanspan);
width = w;
height--;
}
}
SFBMODE(sfb, MODE_SIMPLE);
SFBPIXELSHIFT(sfb, 0);
return;
singlewrite:
SFBPIXELSHIFT(sfb, shift);
lmasks = lmasks & rmasks;
lmaskd = lmaskd & rmaskd;
while (height > 0) {
*(u_int32_t *)sp = lmasks;
WRITE_MB();
*(u_int32_t *)dp = lmaskd;
WRITE_MB();
sp += scanspan;
dp += scanspan;
height--;
}
SFBMODE(sfb, MODE_SIMPLE);
SFBPIXELSHIFT(sfb, 0);
}
/*
* Clear characters in a line.
*/
static void
TEXTOP(erasecols)(id, row, startcol, ncols, attr)
void *id;
int row, startcol, ncols;
long attr;
{
struct rcons *rc = id;
struct raster *rap = rc->rc_sp;
caddr_t sfb, p;
int scanspan, startx, height, count, y;
scanspan = rap->linelongs * 4;
y = rc->rc_yorigin + rc->rc_font->height * row;
startx = rc->rc_xorigin + rc->rc_font->width * startcol;
height = rc->rc_font->height;
count = rc->rc_font->width * ncols - 1;
p = (caddr_t)rap->pixels + y * scanspan + startx * SFBPIXELBYTES;
sfb = rap->data;
SFBMODE(sfb, MODE_TRANSPARENTFILL);
SFBPLANEMASK(sfb, ~0);
SFBFG(sfb, 0); /* fill with bg color */
SFBDATA(sfb, ~0); /* fill mask */
while (height > 0) {
SFBADDRESS(sfb, (long)p);
SFBBCONT(sfb, count);
p += scanspan;
height--;
}
SFBMODE(sfb, MODE_SIMPLE);
}
/*
* Copy lines.
*/
static void
TEXTOP(copyrows)(id, srcrow, dstrow, nrows)
void *id;
int srcrow, dstrow, nrows;
{
struct rcons *rc = id;
struct raster *rap = rc->rc_sp;
caddr_t sfb, p;
int scanspan, offset, srcy, height, width, align, w;
u_int32_t lmask, rmask;
scanspan = rap->linelongs * 4;
height = rc->rc_font->height * nrows;
offset = (dstrow - srcrow) * scanspan * rc->rc_font->height;
srcy = rc->rc_yorigin + rc->rc_font->height * srcrow;
if (srcrow < dstrow && srcrow + nrows > dstrow) {
scanspan = -scanspan;
srcy += height;
}
p = (caddr_t)(rap->pixels + srcy * rap->linelongs);
p += rc->rc_xorigin * SFBPIXELBYTES;
align = (long)p & SFBALIGNMASK;
p -= align;
align /= SFBPIXELBYTES;
w = rc->rc_font->width * rc->rc_maxcol;
width = w + align;
lmask = SFBCOPYALL1 << align;
rmask = SFBCOPYALL1 >> (-width & SFBCOPYBITMASK);
sfb = rap->data;
SFBMODE(sfb, MODE_COPY);
SFBPLANEMASK(sfb, ~0);
SFBPIXELSHIFT(sfb, 0);
if (width <= SFBCOPYBITS) {
/* never happens */;
}
else {
caddr_t q = p;
while (height > 0) {
*(u_int32_t *)p = lmask;
*(u_int32_t *)(p + offset) = lmask;
width -= 2 * SFBCOPYBITS;
while (width > 0) {
p += SFBCOPYBYTESDONE;
*(u_int32_t *)p = SFBCOPYALL1;
*(u_int32_t *)(p + offset) = SFBCOPYALL1;
width -= SFBCOPYBITS;
}
p += SFBCOPYBYTESDONE;
*(u_int32_t *)p = rmask;
*(u_int32_t *)(p + offset) = rmask;
p = (q += scanspan);
width = w + align;
height--;
}
}
SFBMODE(sfb, MODE_SIMPLE);
}
#if 0
#define SFBCOPY64BYTESDONE 8
#define SFBCOPY64BITS 64
#define SFBCOPY64SRC(p, v) \
(*((u_int32_t *)(p) + TGA_REG_GCSR) = (long)(v))
#define SFBCOPY64DST(p, v) \
(*((u_int32_t *)(p) + TGA_REG_GCDR) = (long)(v))
void
TEXTOP(copyrows)(id, srcrow, dstrow, nrows)
void *id;
int srcrow, dstrow, nrows;
{
struct rcons *rc = id;
struct raster *rap = rc->rc_sp;
caddr_t sfb, p, q;
int scanspan, offset, srcy, height, width, w;
u_int32_t rmask;
scanspan = rap->linelongs * 4;
height = rc->rc_font->height * nrows;
width = rc->rc_font->width * rc->rc_maxcol;
offset = (dstrow - srcrow) * scanspan * rc->rc_font->height;
srcy = rc->rc_yorigin + rc->rc_font->height * srcrow;
if (srcrow < dstrow && srcrow + nrows > dstrow) {
scanspan = -scanspan;
srcy += height;
}
p = (caddr_t)(rap->pixels + srcy * rap->linelongs);
p += rc->rc_xorigin * SFBPIXELBYTES;
rmask = SFBCOPYALL1 >> (-width & SFBCOPYBITMASK);
sfb = rap->data;
w = width;
q = p;
SFBMODE(sfb, MODE_COPY);
SFBPLANEMASK(sfb, ~0);
SFBPIXELSHIFT(sfb, 0);
if (width <= SFBCOPYBITS)
; /* never happens */
else if (width < SFBCOPY64BITS) {
; /* unlikely happens */
}
else {
while (height > 0) {
while (width >= SFBCOPY64BITS) {
SFBCOPY64SRC(sfb, p);
SFBCOPY64DST(sfb, p + offset);
p += SFBCOPY64BYTESDONE;
width -= SFBCOPY64BITS;
}
if (width >= SFBCOPYBITS) {
*(u_int32_t *)p = SFBCOPYALL1;
*(u_int32_t *)(p + offset) = SFBCOPYALL1;
p += SFBCOPYBYTESDONE;
width -= SFBCOPYBITS;
}
if (width > 0) {
*(u_int32_t *)p = rmask;
*(u_int32_t *)(p + offset) = rmask;
}
p = (q += scanspan);
width = w;
height--;
}
}
SFBMODE(sfb, MODE_SIMPLE);
}
#endif
/*
* Erase lines.
*/
void
TEXTOP(eraserows)(id, startrow, nrows, attr)
void *id;
int startrow, nrows;
long attr;
{
struct rcons *rc = id;
struct raster *rap = rc->rc_sp;
caddr_t sfb, p;
int scanspan, starty, height, width, align, w;
u_int32_t lmask, rmask;
scanspan = rap->linelongs * 4;
starty = rc->rc_yorigin + rc->rc_font->height * startrow;
height = rc->rc_font->height * nrows;
p = (caddr_t)rap->pixels + starty * scanspan;
p += rc->rc_xorigin * SFBPIXELBYTES;
align = (long)p & SFBALIGNMASK;
p -= align;
align /= SFBPIXELBYTES;
w = rc->rc_font->width * rc->rc_maxcol;
width = w + align;
lmask = SFBSTIPPLEALL1 << align;
rmask = SFBSTIPPLEALL1 >> (-width & SFBSTIPPLEBITMASK);
sfb = rap->data;
SFBMODE(sfb, MODE_TRANSPARENTSTIPPLE);
SFBPLANEMASK(sfb, ~0);
SFBFG(sfb, 0); /* fill with bg color */
if (width <= SFBSTIPPLEBITS) {
/* never happens */;
}
else {
caddr_t q = p;
while (height > 0) {
*(u_int32_t *)p = lmask;
WRITE_MB();
width -= 2 * SFBSTIPPLEBITS;
while (width > 0) {
p += SFBSTIPPLEBYTESDONE;
*(u_int32_t *)p = SFBSTIPPLEALL1;
WRITE_MB();
width -= SFBSTIPPLEBITS;
}
p += SFBSTIPPLEBYTESDONE;
*(u_int32_t *)p = rmask;
WRITE_MB();
p = (q += scanspan);
width = w + align;
height--;
}
}
SFBMODE(sfb, MODE_SIMPLE);
}
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