support anti-aliased fonts, glyphcache etc.

This commit is contained in:
macallan 2016-04-30 05:23:03 +00:00
parent d4cb83d843
commit 8c670e8bb1
2 changed files with 151 additions and 141 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: cgfourteen.c,v 1.79 2014/07/25 08:10:34 dholland Exp $ */
/* $NetBSD: cgfourteen.c,v 1.80 2016/04/30 05:23:03 macallan Exp $ */
/*
* Copyright (c) 1996
@ -96,6 +96,7 @@
#include <dev/rasops/rasops.h>
#include <dev/wscons/wsdisplay_vconsvar.h>
#include <dev/wscons/wsdisplay_glyphcachevar.h>
#include <sparc/sparc/asm.h>
#include <sparc/dev/cgfourteenreg.h>
@ -164,10 +165,9 @@ static void cg14_rectfill(struct cgfourteen_softc *, int, int, int, int,
uint32_t);
static void cg14_invert(struct cgfourteen_softc *, int, int, int, int);
static void cg14_bitblt(void *, int, int, int, int, int, int, int);
static void cg14_bitblt_gc(void *, int, int, int, int, int, int, int);
#if 0
static void cg14_putchar_aa(void *, int, int, u_int, long);
#endif
static void cg14_cursor(void *, int, int, int);
static void cg14_putchar(void *, int, int, u_int, long);
static void cg14_copycols(void *, int, int, int, int);
@ -595,74 +595,14 @@ cgfourteenpoll(dev_t dev, int events, struct lwp *l)
static void
cg14_init(struct cgfourteen_softc *sc)
{
#if 0
volatile uint32_t *clut;
volatile uint8_t *xlut;
int i;
/*
* We stash away the following to restore on close:
*
* color look-up table 1 (sc->sc_saveclut)
* x look-up table (sc->sc_savexlut)
* control register (sc->sc_savectl)
* cursor control register (sc->sc_savehwc)
*/
sc->sc_savectl = sc->sc_ctl->ctl_mctl;
sc->sc_savehwc = sc->sc_hwc->curs_ctl;
clut = (volatile uint32_t *) sc->sc_clut1->clut_lut;
xlut = (volatile uint8_t *) sc->sc_xlut->xlut_lut;
for (i = 0; i < CG14_CLUT_SIZE; i++) {
sc->sc_saveclut.cm_chip[i] = clut[i];
sc->sc_savexlut[i] = xlut[i];
}
/*
* Enable the video and put it in 8 bit mode
*/
sc->sc_ctl->ctl_mctl = CG14_MCTL_ENABLEVID | CG14_MCTL_PIXMODE_8 |
CG14_MCTL_POWERCTL;
#else
cg14_set_depth(sc, 32);
#endif
}
static void
/* Restore the state saved on cg14_init */
cg14_reset(struct cgfourteen_softc *sc)
{
#if 0
volatile uint32_t *clut;
volatile uint8_t *xlut;
int i;
/*
* We restore the following, saved in cg14_init:
*
* color look-up table 1 (sc->sc_saveclut)
* x look-up table (sc->sc_savexlut)
* control register (sc->sc_savectl)
* cursor control register (sc->sc_savehwc)
*
* Note that we don't touch the video enable bits in the
* control register; otherwise, screenblank wouldn't work.
*/
sc->sc_ctl->ctl_mctl = (sc->sc_ctl->ctl_mctl & (CG14_MCTL_ENABLEVID |
CG14_MCTL_POWERCTL)) |
(sc->sc_savectl & ~(CG14_MCTL_ENABLEVID |
CG14_MCTL_POWERCTL));
sc->sc_hwc->curs_ctl = sc->sc_savehwc;
clut = sc->sc_clut1->clut_lut;
xlut = sc->sc_xlut->xlut_lut;
for (i = 0; i < CG14_CLUT_SIZE; i++) {
clut[i] = sc->sc_saveclut.cm_chip[i];
xlut[i] = sc->sc_savexlut[i];
}
#else
cg14_set_depth(sc, 8);
#endif
}
/* Enable/disable video display; power down monitor if DPMS-capable */
@ -767,7 +707,6 @@ cg14_load_hwcmap(struct cgfourteen_softc *sc, int start, int ncolors)
*lutp++ = *colp++;
}
#if NWSDISPLAY > 0
static void
cg14_setup_wsdisplay(struct cgfourteen_softc *sc, int is_cons)
{
@ -793,20 +732,35 @@ cg14_setup_wsdisplay(struct cgfourteen_softc *sc, int is_cons)
ri = &sc->sc_console_screen.scr_ri;
sc->sc_gc.gc_bitblt = cg14_bitblt_gc;
sc->sc_gc.gc_blitcookie = sc;
sc->sc_gc.gc_rop = 0xc;
if (is_cons) {
vcons_init_screen(&sc->sc_vd, &sc->sc_console_screen, 1,
&defattr);
/* clear the screen with the default background colour */
memset(sc->sc_fb.fb_pixels,
(defattr >> 16) & 0xff,
ri->ri_stride * ri->ri_height);
if (sc->sc_sx != NULL) {
cg14_rectfill(sc, 0, 0, ri->ri_width, ri->ri_height,
ri->ri_devcmap[(defattr >> 16) & 0xf]);
} else {
memset(sc->sc_fb.fb_pixels,
ri->ri_devcmap[(defattr >> 16) & 0xf],
ri->ri_stride * ri->ri_height);
}
sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
glyphcache_init(&sc->sc_gc, sc->sc_fb.fb_type.fb_height + 5,
(sc->sc_vramsize / sc->sc_fb.fb_type.fb_width) -
sc->sc_fb.fb_type.fb_height - 5,
sc->sc_fb.fb_type.fb_width,
ri->ri_font->fontwidth,
ri->ri_font->fontheight,
defattr);
wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
defattr);
vcons_replay_msgbuf(&sc->sc_console_screen);
@ -815,6 +769,13 @@ cg14_setup_wsdisplay(struct cgfourteen_softc *sc, int is_cons)
* since we're not the console we can postpone the rest
* until someone actually allocates a screen for us
*/
glyphcache_init(&sc->sc_gc, sc->sc_fb.fb_type.fb_height + 5,
(sc->sc_vramsize / sc->sc_fb.fb_type.fb_width) -
sc->sc_fb.fb_type.fb_height - 5,
sc->sc_fb.fb_type.fb_width,
ri->ri_font->fontwidth,
ri->ri_font->fontheight,
defattr);
}
cg14_init_cmap(sc);
@ -830,13 +791,17 @@ cg14_setup_wsdisplay(struct cgfourteen_softc *sc, int is_cons)
static void
cg14_init_cmap(struct cgfourteen_softc *sc)
{
struct rasops_info *ri = &sc->sc_console_screen.scr_ri;
int i, j = 0;
uint8_t cmap[768];
rasops_get_cmap(ri, cmap, sizeof(cmap));
for (i = 0; i < 256; i++) {
sc->sc_cmap.cm_map[i][3] = rasops_cmap[j];
sc->sc_cmap.cm_map[i][2] = rasops_cmap[j + 1];
sc->sc_cmap.cm_map[i][1] = rasops_cmap[j + 2];
sc->sc_cmap.cm_map[i][3] = cmap[j];
sc->sc_cmap.cm_map[i][2] = cmap[j + 1];
sc->sc_cmap.cm_map[i][1] = cmap[j + 2];
j += 3;
}
cg14_load_hwcmap(sc, 0, 256);
@ -1035,6 +1000,8 @@ cg14_init_screen(void *cookie, struct vcons_screen *scr,
ri->ri_bits = (char *)sc->sc_fb.fb_pixels;
#if NSX > 0
ri->ri_flg |= RI_8BIT_IS_RGB | RI_ENABLE_ALPHA;
/*
* unaligned copies with horizontal overlap are slow, so don't bother
* handling them in cg14_bitblt() and use putchar() instead
@ -1064,11 +1031,9 @@ cg14_init_screen(void *cookie, struct vcons_screen *scr,
ri->ri_ops.eraserows = cg14_eraserows;
ri->ri_ops.erasecols = cg14_erasecols;
ri->ri_ops.cursor = cg14_cursor;
#if 0
if (FONT_IS_ALPHA(ri->ri_font)) {
ri->ri_ops.putchar = cg14_putchar_aa;
} else
#endif
ri->ri_ops.putchar = cg14_putchar;
}
#endif /* NSX > 0 */
@ -1403,6 +1368,64 @@ cg14_bitblt(void *cookie, int xs, int ys, int xd, int yd,
}
}
/*
* for copying glyphs around
* - uses all quads for reads
* - uses quads for writes as far as possible
* - limited by number of registers - won't do more than 120 wide
* - doesn't handle overlaps
*/
static void
cg14_bitblt_gc(void *cookie, int xs, int ys, int xd, int yd,
int wi, int he, int rop)
{
struct cgfourteen_softc *sc = cookie;
uint32_t saddr, daddr;
int line, cnt = wi, stride = sc->sc_fb.fb_type.fb_width;
int dreg = 8, swi = wi, dd;
int in = 0, q = 0, out = 0, r;
saddr = sc->sc_fb_paddr + xs + stride * ys;
daddr = sc->sc_fb_paddr + xd + stride * yd;
if (saddr & 3) {
swi += saddr & 3;
dreg += saddr & 3;
saddr &= ~3;
}
swi = (swi + 3) >> 2; /* round up, number of quads to read */
if (daddr & 3) {
in = 4 - (daddr & 3); /* pixels to write in byte mode */
cnt -= in;
}
q = cnt >> 2;
out = cnt & 3;
for (line = 0; line < he; line++) {
/* read source line, in all quads */
sta(saddr & ~7, ASI_SX, SX_LDUQ0(8, swi - 1, saddr & 7));
/* now write it out */
dd = daddr;
r = dreg;
if (in > 0) {
sta(dd & ~7, ASI_SX, SX_STB(r, in - 1, dd & 7));
dd += in;
r += in;
}
if (q > 0) {
sta(dd & ~7, ASI_SX, SX_STUQ0(r, q - 1, dd & 7));
r += q << 2;
dd += q << 2;
}
if (out > 0) {
sta(dd & ~7, ASI_SX, SX_STB(r, out - 1, dd & 7));
}
saddr += stride;
daddr += stride;
}
}
static void
cg14_putchar(void *cookie, int row, int col, u_int c, long attr)
@ -1506,19 +1529,18 @@ cg14_cursor(void *cookie, int on, int row, int col)
}
#if 0
static void
r128fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr)
cg14_putchar_aa(void *cookie, int row, int col, u_int c, long attr)
{
struct rasops_info *ri = cookie;
struct wsdisplay_font *font = PICK_FONT(ri, c);
struct vcons_screen *scr = ri->ri_hw;
struct r128fb_softc *sc = scr->scr_cookie;
uint32_t bg, latch = 0, bg8, fg8, pixel;
int i, x, y, wi, he, r, g, b, aval;
int r1, g1, b1, r0, g0, b0, fgo, bgo;
struct cgfourteen_softc *sc = scr->scr_cookie;
int stride = sc->sc_fb.fb_type.fb_width;
uint32_t bg, addr, bg8, fg8, pixel, in, q, next;
int i, j, x, y, wi, he, r, g, b, aval, cnt, reg;
int r1, g1, b1, r0, g0, b0, fgo, bgo, rv;
uint8_t *data8;
int rv, cnt = 0;
if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
return;
@ -1533,7 +1555,7 @@ r128fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr)
x = ri->ri_xorigin + col * wi;
y = ri->ri_yorigin + row * he;
if (c == 0x20) {
r128fb_rectfill(sc, x, y, wi, he, bg);
cg14_rectfill(sc, x, y, wi, he, bg);
return;
}
@ -1541,29 +1563,9 @@ r128fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr)
if (rv == GC_OK)
return;
addr = sc->sc_fb_paddr + x + stride * y;
data8 = WSFONT_GLYPH(c, font);
r128fb_wait(sc, 5);
bus_space_write_4(sc->sc_memt, sc->sc_regh,
R128_DP_GUI_MASTER_CNTL,
R128_GMC_BRUSH_SOLID_COLOR |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_S |
R128_DP_SRC_SOURCE_HOST_DATA |
sc->sc_master_cntl);
bus_space_write_4(sc->sc_memt, sc->sc_regh,
R128_DP_CNTL,
R128_DST_Y_TOP_TO_BOTTOM |
R128_DST_X_LEFT_TO_RIGHT);
/* needed? */
bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 0);
bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y,
(x << 16) | y);
bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT,
(wi << 16) | he);
/*
* we need the RGB colours here, so get offsets into rasops_cmap
*/
@ -1580,51 +1582,59 @@ r128fb_putchar_aa(void *cookie, int row, int col, u_int c, long attr)
bg8 = R3G3B2(r0, g0, b0);
fg8 = R3G3B2(r1, g1, b1);
r128fb_wait(sc, 16);
for (i = 0; i < ri->ri_fontscale; i++) {
aval = *data8;
if (aval == 0) {
pixel = bg8;
} else if (aval == 255) {
pixel = fg8;
} else {
r = aval * r1 + (255 - aval) * r0;
g = aval * g1 + (255 - aval) * g0;
b = aval * b1 + (255 - aval) * b0;
pixel = ((r & 0xe000) >> 8) |
((g & 0xe000) >> 11) |
((b & 0xc000) >> 14);
}
latch = (latch << 8) | pixel;
/* write in 32bit chunks */
if ((i & 3) == 3) {
bus_space_write_stream_4(sc->sc_memt, sc->sc_regh,
R128_HOST_DATA0, latch);
/*
* not strictly necessary, old data should be shifted
* out
*/
latch = 0;
cnt++;
if (cnt > 15) {
r128fb_wait(sc, 16);
cnt = 0;
for (i = 0; i < he; i++) {
/* calculate one line of pixels */
for (j = 0; j < wi; j++) {
aval = *data8;
if (aval == 0) {
pixel = bg8;
} else if (aval == 255) {
pixel = fg8;
} else {
r = aval * r1 + (255 - aval) * r0;
g = aval * g1 + (255 - aval) * g0;
b = aval * b1 + (255 - aval) * b0;
pixel = ((r & 0xe000) >> 8) |
((g & 0xe000) >> 11) |
((b & 0xc000) >> 14);
}
/*
* stick them into SX registers and hope we never have
* to deal with fonts more than 120 pixels wide
*/
sx_write(sc->sc_sx, SX_QUEUED(j + 8), pixel);
data8++;
}
data8++;
}
/* if we have pixels left in latch write them out */
if ((i & 3) != 0) {
latch = latch << ((4 - (i & 3)) << 3);
bus_space_write_stream_4(sc->sc_memt, sc->sc_regh,
R128_HOST_DATA0, latch);
/* now write them into video memory */
in = (addr & 3);
next = addr;
reg = 8;
cnt = wi;
if (in != 0) {
in = 4 - in; /* pixels to write until aligned */
sta(next & ~7, ASI_SX, SX_STB(8, in - 1, next & 7));
next += in;
reg = 8 + in;
cnt -= in;
}
q = cnt >> 2; /* number of writes we can do in quads */
if (q > 0) {
sta(next & ~7, ASI_SX, SX_STUQ0(reg, q - 1, next & 7));
next += (q << 2);
cnt -= (q << 2);
reg += (q << 2);
}
if (cnt > 0) {
sta(next & ~7, ASI_SX, SX_STB(reg, cnt - 1, next & 7));
}
addr += stride;
}
if (rv == GC_ADD) {
glyphcache_add(&sc->sc_gc, c, x, y);
}
}
#endif
static void
cg14_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
@ -1702,4 +1712,3 @@ cg14_eraserows(void *cookie, int row, int nrows, long fillattr)
#endif /* NSX > 0 */
#endif

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@ -1,4 +1,4 @@
/* $NetBSD: cgfourteenvar.h,v 1.17 2015/09/07 03:49:45 dholland Exp $ */
/* $NetBSD: cgfourteenvar.h,v 1.18 2016/04/30 05:23:03 macallan Exp $ */
/*
* Copyright (c) 1996
@ -98,6 +98,7 @@ struct cgfourteen_softc {
#if NSX > 0
struct sx_softc *sc_sx;
uint32_t sc_fb_paddr;
glyphcache sc_gc;
#endif /* NSX > 0 */
#endif