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Interlisp.maiko/src/initdsp.c
Bruce Mitchener 907e86c8d9
Fix some unused variable warnings. (#162)
2021-01-03 18:30:04 +00:00

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/* $Id: initdsp.c,v 1.2 1999/01/03 02:07:08 sybalsky Exp $ (C) Copyright Venue, All Rights Reserved
*/
/************************************************************************/
/* */
/* (C) Copyright 1989-95 Venue. All Rights Reserved. */
/* Manufactured in the United States of America. */
/* */
/************************************************************************/
#include "version.h"
/*
* file : initdsp.c
* Author : Osamu Nakamura
*/
#include <stdio.h>
#include <unistd.h>
#ifndef NOPIXRECT
#ifndef DOS
#ifdef XWINDOW
#include <sys/time.h>
#include <pixrect/pixrect_hs.h>
#include <sunwindow/notify.h>
#include <sunwindow/rect.h>
#include <sunwindow/rectlist.h>
#include <sunwindow/pixwin.h>
#include <sunwindow/pw_util.h>
#include <sunwindow/win_struct.h>
#include <sunwindow/win_environ.h>
#include <sunwindow/cms.h>
#include <sunwindow/win_input.h>
#else
#include <sunwindow/window_hs.h>
#include <sunwindow/cms.h>
#include <sunwindow/win_ioctl.h>
#endif /* XWINDOW */
/* #include <sunwindow/win_screen.h> */
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <pixrect/pixrect_hs.h>
#include <sun/fbio.h>
#include <sys/ioctl.h>
#include <sys/file.h>
#endif /* DOS */
#include <pixrect/pr_planegroups.h>
#endif /* NOPIXRECT */
#ifdef OS4
#include <vfork.h>
#endif /* OS4 */
#include "lispemul.h"
#include "lispmap.h"
#include "lsptypes.h"
#include "address.h"
#include "adr68k.h"
#include "lspglob.h"
#include "emlglob.h"
#include "display.h"
#include "devconf.h"
#include "bb.h"
#include "bitblt.h"
#include "pilotbbt.h"
#include "dbprint.h"
#include "initdspdefs.h"
#ifdef BYTESWAP
#include "byteswapdefs.h"
#endif
#ifdef XWINDOW
#include "xcursordefs.h"
#endif
#ifdef DOS
#define getpagesize() 512
#endif /* DOS */
#if defined(XWINDOW) || defined(DOS)
#include "devif.h"
DLword *DisplayRegion68k_end_addr;
extern DspInterface currentdsp;
int DisplayWidth8;
extern DspInterfaceRec _curdsp, _coldsp;
#endif /* DOS */
/* from /usr/include/sun/fbio.h some machines don't have following def. */
#ifndef FBTYPE_SUNROP_COLOR
#define FBTYPE_SUNROP_COLOR 13 /* MEMCOLOR with rop h/w */
#define FBTYPE_SUNFAST_COLOR 12
#endif
#ifndef NOPIXRECT
struct screen LispScreen;
struct pixrect *CursorBitMap, *InvisibleCursorBitMap;
struct pixrect *SrcePixRect, *DestPixRect;
#ifdef DISPLAYBUFFER
int black = 0, white = -1;
struct pixrect *ColorDisplayPixrect, *DisplayRegionPixrect;
#define COPY_PIXRECT_TO_COLOR (PIX_SRC /*| PIX_DONTCLIP */)
#ifdef DEBUG
int oldred[2], oldgreen[2], oldblue[2];
#endif /* DEBUG */
#endif /* DISPLAYBUFFER */
#endif /* NOPIXRECT */
int LispWindowFd = -1;
int FrameBufferFd = -1;
int displaywidth, displayheight, DisplayRasterWidth, DisplayType;
int DisplayByteSize;
DLword *DisplayRegion68k; /* 68k addr of #{}22,0 */
#ifdef DISPLAYBUFFER
/* both vars has same value. That is the end of Lisp DisplayRegion */
DLword *DisplayRegion68k_end_addr;
#endif
/* some functions use this variable when undef DISPLAYBUFFER */
DLword *DISP_MAX_Address;
#ifdef SUNDISPLAY
struct cursor CurrentCursor, InvisibleCursor;
struct winlock DisplayLockArea;
#endif /* SUNDISPLAY */
extern DLword *EmCursorBitMap68K;
extern IFPAGE *InterfacePage;
int DebugDSP = T;
#ifdef COLOR
extern DLword *ColorDisplayRegion68k;
extern int MonoOrColor;
#endif /* COLOR */
#ifdef XWINDOW
DLword *DisplayRegion68k_end_addr;
int LispDisplayWidth, LispDisplayHeight;
extern int *Xdisplay; /* DAANGER -jarl nilsson 27-apr-92 */
#endif /* XWINDOW */
#ifdef SUNDISPLAY
/* For SunOS4.1 Window Security Feature. */
int Win_security_p;
#include <sys/wait.h>
#define SV_ACQUIRE "/bin/sunview1/sv_acquire"
#define SV_RELEASE "/bin/sunview1/sv_release"
#endif /* SUNDISPLAY */
/************************************************************************/
/* */
/* */
/* */
/* */
/* */
/************************************************************************/
void init_cursor() {
#ifndef NOPIXRECT
CursorBitMap = mem_create(CURSORWIDTH, CURSORHEIGHT, 1);
mpr_mdlinebytes(CursorBitMap) = CURSORWIDTH >> 3; /* 2(byte) */
#endif /* NOPIXRECT */
#ifdef SUNDISPLAY
CurrentCursor.cur_xhot = 0;
CurrentCursor.cur_yhot = 0;
CurrentCursor.cur_shape = CursorBitMap;
CurrentCursor.cur_function = PIX_SRC | PIX_DST;
#endif /* SUNDISPLAY */
/* Invisible Cursor */
#ifndef NOPIXRECT
InvisibleCursorBitMap = mem_create(0, 0, 1);
#endif /* NOPIXRECT */
#ifdef SUNDISPLAY
InvisibleCursor.cur_xhot = 0;
InvisibleCursor.cur_yhot = 0;
InvisibleCursor.cur_shape = InvisibleCursorBitMap;
InvisibleCursor.cur_function = /*PIX_SRC |*/ PIX_DST;
win_setcursor(LispWindowFd, &InvisibleCursor);
win_setmouseposition(LispWindowFd, 0, 0);
#endif /* SUNDISPLAY */
}
/************************************************************************/
/* */
/* */
/* */
/* */
/* */
/************************************************************************/
void set_cursor() {
#ifdef SUNDISPLAY
#ifdef OLD_CURSOR
(mpr_d(CursorBitMap))->md_image = (short *)(IOPage->dlcursorbitmap);
/* BitmapBase of CurrentCursor
* is set to IOPage->dlcursorbitmap
*/
if (win_setcursor(LispWindowFd, &CurrentCursor) == -1) perror("SET Cursor");
if (win_setmouseposition(LispWindowFd, 0, 0) == -1) perror("SET Mouse POS");
#else
if (win_setcursor(LispWindowFd, &InvisibleCursor) == -1) perror("SET Cursor:");
#endif
#endif /* SUNDISPLAY */
#ifdef XWINDOW
Init_XCursor();
#endif /* XWINDOW */
DBPRINT(("After Set cursor\n"));
}
/************************************************************************/
/* */
/* */
/* */
/* */
/* */
/************************************************************************/
#ifndef COLOR
void clear_display() {
#ifdef SUNDISPLAY
#ifndef DISPLAYBUFFER
register short *word;
register int w, h;
word = (short *)DisplayRegion68k;
for (h = displayheight; (h--);) {
for (w = DisplayRasterWidth; (w--);) { *word++ = 0; }
}
#else
pr_rop(ColorDisplayPixrect, 0, 0, displaywidth, displayheight, PIX_CLR, ColorDisplayPixrect, 0,
0);
/* Original images are still kept in SYSOUT(DisplayRegion) */
/* clear_CG6; */
#endif /* DISPLAYBUFFER */
#endif /* SUNDISPLAY */
#ifdef DOS
TPRINT(("Enter Clear_display\n"));
(currentdsp->cleardisplay)(currentdsp);
TPRINT(("Exit Clear_display\n"));
#endif /* DOS */
}
#else /* COLOR */
void clear_display() {
register short *word;
register int w, h;
if (MonoOrColor == MONO_SCREEN) {
#ifndef DISPLAYBUFFER
word = DisplayRegion68k;
for (h = displayheight; (h--);) {
for (w = DisplayRasterWidth; (w--);) { *word++ = 0; }
} /* end for(h) */
#else /* DISPLAYBUFFER */
pr_rop(ColorDisplayPixrect, 0, 0, displaywidth, displayheight, PIX_CLR, ColorDisplayPixrect, 0,
0);
#endif /* DISPLAYBUFFER */
} else { /* MonoOrColo is COLOR_SCREEN */
word = (short *)ColorDisplayRegion68k;
for (h = displayheight; (h--);) {
for (w = DisplayRasterWidth * 8; (w--);) { *word++ = 0; }
} /* end for(h) */
} /* end if(MonoOrColor) */
}
#endif /* COLOR */
/* ================================================================ */
/* Now takes 68k address, function renamed for safety */
void init_display2(DLword *display_addr, int display_max)
{
#ifdef SUNDISPLAY
#ifndef DISPLAYBUFFER
int mmapstat;
#endif
int fbgattr_result;
struct fbtype my_screen;
char groups[PIXPG_OVERLAY + 1];
struct fbgattr FBattr;
struct pixrect *ColorFb;
#endif /* SUNDISPLAY */
#ifdef SUNDISPLAY
/* For SunOS4.1 Window Security Feature. */
union wait status;
/* Window Security is available? */
if (!access(SV_ACQUIRE, F_OK))
Win_security_p = 1;
else
Win_security_p = 0;
if (Win_security_p) {
switch (vfork()) {
case -1: /* Error */ (void)fprintf(stderr, "init_display: Fork failed.\n"); exit(1);
case 0: /* Child */
(void)execl(SV_ACQUIRE, "sv_acquire", "0", "256", "250", 0);
/* should not return */
(void)fprintf(stderr, "init_display: exec for sv_acquire failed\n");
exit(1);
default: /* Parent */
/* do nothing */
break;
}
(void)wait(&status); /* child dies after changing 6 */
if (status.w_retcode != 0) {
(void)fprintf(stderr, "init_display: failed to set ownership of win devices\n");
exit(1);
}
}
#endif /* SUNDISPLAY */
#ifdef SUNDISPLAY
if ((LispWindowFd = win_screennew(&LispScreen)) == -1) {
perror("init_display: can't create LispWindow\n");
exit(-1);
} else {
#ifdef KBINT
/* int_io_open(LispWindowFd); JDS 4/27/94 move to initkbd, to try preventing the
* move-mouse-never-get-kbd bug */
#endif
fcntl(LispWindowFd, F_SETFL, fcntl(LispWindowFd, F_GETFL, 0) | O_NONBLOCK);
}
#endif /* SUNDISPLAY */
DisplayRegion68k = (DLword *)display_addr;
#ifdef SUNDISPLAY
if ((FrameBufferFd = open(LispScreen.scr_fbname, 2)) == -1) {
perror("init_display: can't open FrameBuffer\n");
exit(-1);
}
/* initialize Display parameters */
if (ioctl(FrameBufferFd, FBIOGTYPE, &my_screen) == -1) {
perror("init_display: can't find screen parameters\n");
exit(-1);
}
displaywidth = my_screen.fb_width;
displayheight = my_screen.fb_height;
#endif /* SUNDISPLAY */
#if (defined(XWINDOW) || defined(DOS))
(currentdsp->device.enter)(currentdsp);
displaywidth = currentdsp->Display.width;
displayheight = currentdsp->Display.height;
#endif /* XWINDOW */
DisplayRasterWidth = displaywidth / BITSPER_DLWORD;
if ((displaywidth * displayheight) > display_max) { displayheight = display_max / displaywidth; }
DISP_MAX_Address = DisplayRegion68k + DisplayRasterWidth * displayheight;
DBPRINT(("FBIOGTYPE w x h = %d x %d\n", displaywidth, displayheight));
#ifdef DOS
DisplayWidth8 = displaywidth / 8;
#endif /* DOS */
DBPRINT(("FBIOGTYPE w x h = %d x %d\n", displaywidth, displayheight));
#if (!defined(XWINDOW) && !defined(DOS))
DBPRINT((" (real) type = %d\n", my_screen.fb_type));
DBPRINT((" (real) bpp = %d\n", my_screen.fb_depth));
#endif /* XWINDOW */
#ifdef SUNDISPLAY
/** now attempt to use the FBIOGATTR call for more information **/
fbgattr_result = ioctl(FrameBufferFd, FBIOGATTR, &FBattr);
if (fbgattr_result >= 0) {
DBPRINT(("FBIOGATTR realtype = %d\n", FBattr.real_type));
DBPRINT((" (real) size = %d x %d\n", FBattr.fbtype.fb_width, FBattr.fbtype.fb_height));
DBPRINT((" (real) type = %d\n", FBattr.fbtype.fb_type));
DBPRINT((" (real) bpp = %d\n", FBattr.fbtype.fb_depth));
DBPRINT((" emuls= %d %d %d %d\n", FBattr.emu_types[0], FBattr.emu_types[1],
FBattr.emu_types[2], FBattr.emu_types[3]));
} else { /* fill in defaults */
FBattr.real_type = my_screen.fb_type;
}
DBPRINT(("init_display: FBIOGATTR_result = %d\n", fbgattr_result));
/* probe for DISPLAY type */
/**********************************************************************
* FB-TYPE REAL-TYPE
* BW2 2 x
* CG2 3 3
* CG3 8 6
* CG4 2 8
* CG6 8 12
* CG8 6 7
* CG9(GP1) 4 4 ;gpconfig -f -b
* CG9(GP1) 2 13 ;gpconfig gpone0 -f -b cgtwo0
* ;We assume This config for GXP model
***********************************************************************/
/* Medley supports real (or emulated) BW2, so check for that first */
#ifndef DISPLAYBUFFER
if ((my_screen.fb_type == FBTYPE_SUN2BW) /* real or emulated bwtwo */
|| (my_screen.fb_type == FBTYPE_SUN3COLOR)) /* Sun 3 color? */
switch (FBattr.real_type) {
case FBTYPE_SUN2BW: DisplayType = SUN2BW; break;
case FBTYPE_MEMCOLOR: /* memory 24-bit (CG8) */
{
DisplayType = SUNMEMCOLOR;
ColorFb = pr_open("/dev/fb");
pr_available_plane_groups(ColorFb, sizeof(groups), groups);
if (groups[PIXPG_OVERLAY] && groups[PIXPG_OVERLAY_ENABLE]) {
pr_set_plane_group(ColorFb, PIXPG_OVERLAY_ENABLE);
pr_rop(ColorFb, 0, 0, ColorFb->pr_width, ColorFb->pr_height, PIX_SET, 0, 0, 0);
pr_set_plane_group(ColorFb, PIXPG_OVERLAY);
}
} break;
case FBTYPE_SUN4COLOR: /* cg4 */
case FBTYPE_SUNROP_COLOR: /* cg9(GXP) */
{ /* need to clear overlay plane */
DisplayType = SUN4COLOR;
ColorFb = pr_open("/dev/fb");
pr_available_plane_groups(ColorFb, sizeof(groups), groups);
if (groups[PIXPG_OVERLAY] && groups[PIXPG_OVERLAY_ENABLE]) {
pr_set_plane_group(ColorFb, PIXPG_OVERLAY_ENABLE);
pr_rop(ColorFb, 0, 0, ColorFb->pr_width, ColorFb->pr_height, PIX_SET, 0, 0, 0);
pr_set_plane_group(ColorFb, PIXPG_OVERLAY);
}
break;
}
default:
printf("initdisplay: Unsupported FBreal_type %d\n", FBattr.real_type);
DisplayType = (my_screen.fb_type) << 3;
/* should be able to proceed, since its an emulated bwtwo */
}
else { /* not currently a SUN2BW, perhaps can emulate it? */
if (fbgattr_result >= 0) { /* got gattrs, can try sattr */
#ifdef DEBUG
error("fb bwtwo emulation not implemented, q to proceed\n");
#endif /* DEBUG */
} else {
error("Not cgfour or bwtwo, q to attempt to proceed");
}
printf("initdisplay: Unsupported FBreal_type %d\n", FBattr.real_type);
DisplayType = (my_screen.fb_type) << 3;
/* try to muddle on */
}
#else /* DISPLAYBUFFER is defined, then: */
DisplayRegion68k_end_addr = DisplayRegion68k + DisplayRasterWidth * displayheight;
if (my_screen.fb_type == FBTYPE_SUN2BW) /* real or emulated bwtwo */
switch (FBattr.real_type) {
case FBTYPE_SUN4COLOR: { /* need to clear overlay plane */
DisplayType = SUN4COLOR;
ColorFb = pr_open("/dev/fb");
pr_available_plane_groups(ColorFb, sizeof(groups), groups);
if (groups[PIXPG_OVERLAY] && groups[PIXPG_OVERLAY_ENABLE]) {
pr_set_plane_group(ColorFb, PIXPG_OVERLAY_ENABLE);
pr_rop(ColorFb, 0, 0, ColorFb->pr_width, ColorFb->pr_height, PIX_CLR, 0, 0, 0);
pr_set_plane_group(ColorFb, PIXPG_8BIT_COLOR);
}
ColorDisplayPixrect = ColorFb;
break;
}
default: ColorDisplayPixrect = pr_open("/dev/fb"); break;
}
else if (my_screen.fb_type == FBTYPE_SUN4COLOR) { /* cg3 or cg6 */
switch (FBattr.real_type) {
case FBTYPE_SUN3COLOR: /* cg3 */
/* DisplayType = SUN3COLOR; */
DisplayType = (FBattr.real_type) << 3;
break;
case FBTYPE_SUNFAST_COLOR: /* cg6 */
/* DisplayType = SUNFASTCOLOR; */
DisplayType = (FBattr.real_type) << 3;
break;
default: /* unknown display */ DisplayType = (FBattr.real_type) << 3; break;
} /* end switch */
ColorDisplayPixrect = pr_open("/dev/fb");
} /* end else if() */
else
ColorDisplayPixrect = pr_open("/dev/fb");
DisplayRegionPixrect = mem_point(displaywidth, displayheight, 1, display_addr);
#ifdef I386
((struct mpr_data *)DisplayRegionPixrect->pr_data)->md_flags |= MP_I386;
((struct mpr_data *)ColorDisplayPixrect->pr_data)->md_flags |= MP_I386;
#endif
#ifdef DEBUG
pr_getcolormap(ColorDisplayPixrect, 0, 2, oldred, oldgreen, oldblue);
#endif /* DEBUG */
DBPRINT(("Color map for color pixrect:\n 0: R: %d, G: %d, B: %d\n 1: R: %d, G: %d, B: %d\n",
oldred[0], oldgreen[0], oldblue[0], oldred[1], oldgreen[1], oldblue[1]));
DBPRINT(("Color depth = %d.\n", ColorDisplayPixrect->pr_depth));
pr_putcolormap(ColorDisplayPixrect, 1, 1, &black, &black, &black);
pr_putcolormap(ColorDisplayPixrect, 0, 1, &white, &white, &white);
pr_putcolormap(ColorDisplayPixrect, 255, 1, &black, &black, &black);
pr_putcolormap(ColorDisplayPixrect, (1 << ColorDisplayPixrect->pr_depth) - 1, 1, &black, &black,
&black);
#endif
DisplayLockArea.wl_rect.r_width = displaywidth;
DisplayLockArea.wl_rect.r_height = displayheight;
#endif /* SUNDISPLAY */
#ifdef XWINDOW
DisplayType = SUN2BW;
DisplayRegion68k_end_addr = DisplayRegion68k + DisplayRasterWidth * displayheight;
#endif /* XWINDOW */
init_cursor();
DisplayByteSize = ((displaywidth * displayheight / 8 + (getpagesize() - 1)) & -getpagesize());
DBPRINT(("Display address: 0x%x\n", DisplayRegion68k));
DBPRINT((" length : 0x%x\n", DisplayByteSize));
DBPRINT((" pg size: 0x%x\n", getpagesize()));
#ifdef SUNDISPLAY
#ifndef DISPLAYBUFFER
mmapstat = (int)mmap(DisplayRegion68k, DisplayByteSize, PROT_READ | PROT_WRITE,
#ifdef OS4
MAP_FIXED |
#endif
MAP_SHARED,
FrameBufferFd, 0);
DBPRINT(("after mmap: 0x%x\n", mmapstat));
if (mmapstat == -1) {
perror("init_display: ERROR at mmap system call\n");
exit(0);
}
#endif /* ifndef DISPLAYBUFFER */
DBPRINT(("after mem_point\n"));
#endif /* SUNDISPLAY */
#ifdef DOS
(currentdsp->cleardisplay)(currentdsp);
#else /* DOS */
clear_display();
#endif /* DOS */
DBPRINT(("after clear_display()\n"));
#ifndef NOPIXRECT
/* initialize pixrect used in pilotbitblt */
SrcePixRect = mem_point(0, 0, 1, NULL);
DestPixRect = mem_point(0, 0, 1, NULL);
#endif /* NOPIXRECT */
DBPRINT(("exiting init_display\n"));
}
/************************************************************************/
/* */
/* */
/* */
/* */
/* */
/************************************************************************/
void display_before_exit() {
#ifdef SUNDISPLAY
union wait status;
#endif /* SUNDISPLAY */
#ifdef TRUECOLOR
truecolor_before_exit();
#endif /* TRUECOLOR */
clear_display();
#ifdef SUNDISPLAY
/* win_remove( LispWindowFd ); */
win_screendestroy(LispWindowFd);
#ifdef KBINT
int_io_close(LispWindowFd);
#endif
close(LispWindowFd);
if (Win_security_p) {
switch (vfork()) {
case -1: /* Error */ (void)fprintf(stderr, "display_before_exit: Fork failed.\n"); exit(1);
case 0: /* Child */
(void)execl(SV_RELEASE, "sv_release", 0);
/* should not return */
(void)fprintf(stderr, "display_before_exit: exec for sv_release failed\n");
exit(1);
default: /* Parent */
/* do nothing */
break;
}
(void)wait(&status);
if (status.w_retcode != 0) {
(void)fprintf(stderr, "display_before_raid: failed to set ownership of win devices\n");
exit(1);
}
}
#endif /* SUNDISPLAY */
#if defined(XWINDOW) || defined(DOS)
(currentdsp->device.exit)(currentdsp);
#endif /* DOS */
}
#ifdef DISPLAYBUFFER
#ifdef I386
#define EVENADDR(ptr) (0xFFFFFFFE & (int)ptr)
#else
#define EVENADDR(ptr) (ptr)
#endif
#endif /* DISPLAYBUFFER */
#if defined(DISPLAYBUFFER) || defined(DOS)
/************************************************************************/
/* */
/* i n _ d i s p l a y _ s e g m e n t */
/* */
/* Returns T if the base address for this bitblt is in the */
/* display segment. */
/* */
/************************************************************************/
/* Change as MACRO by osamu '90/02/08
* new macro definition is in display.h
in_display_segment(baseaddr)
register DLword *baseaddr;
{
if ((DisplayRegion68k <= baseaddr) &&
(baseaddr <=DISP_MAX_Address)) return(T);
return(NIL);
}
------------------ */
#endif /* DISPLAYBUFFER */
/************************************************************************/
/* */
/* f l u s h _ d i s p l a y _ b u f f e r */
/* */
/* Copy the entire Lisp display bank to the real frame buffer */
/* [Needs to be refined for efficiency.] */
/* */
/************************************************************************/
void flush_display_buffer() {
#ifdef SUNDISPLAY
#ifdef DISPLAYBUFFER
#ifdef I386
bit_reverse_region(DisplayRegion68k, displaywidth, displayheight, DLWORD_PERLINE);
#endif
pr_rop(ColorDisplayPixrect, 0, 0, displaywidth, displayheight, COPY_PIXRECT_TO_COLOR,
DisplayRegionPixrect, 0, 0);
#ifdef I386
bit_reverse_region(DisplayRegion68k, displaywidth, displayheight, DLWORD_PERLINE);
#endif
#endif /* DISPLAYBUFFER */
#endif /* SUNDISPLAY */
#ifdef XWINDOW
(currentdsp->bitblt_to_screen)(currentdsp, DisplayRegion68k, currentdsp->Visible.x,
currentdsp->Visible.y, currentdsp->Visible.width,
currentdsp->Visible.height);
#elif DOS
TPRINT(("Enter flush_display_buffer\n"));
(currentdsp->bitblt_to_screen)(currentdsp, DisplayRegion68k, 0, 0, currentdsp->Display.width,
currentdsp->Display.height);
TPRINT(("Exit flush_display_buffer\n"));
#endif /* DOS */
}
/************************************************************************/
/* */
/* f l u s h _ d i s p l a y _ r e g i o n */
/* */
/* Copy a region of the Lisp display bank to the real frame */
/* buffer. */
/* */
/* x */
/* y */
/* w the width of the piece to display, in pixels */
/* h the height of the piece to display, in pixels */
/* */
/************************************************************************/
#define BITEPER_DLBYTE 8
#define DLBYTE_PERLINE (displaywidth / 8)
void flush_display_region(int x, int y, int w, int h)
{
#ifdef SUNDISPLAY
#ifdef DISPLAYBUFFER
pr_rop(ColorDisplayPixrect, x, y, w, h, COPY_PIXRECT_TO_COLOR, DisplayRegionPixrect, x, y);
#endif /* DISPLAYBUFFER */
#endif /* SUNDISPLAY */
#if (defined(XWINDOW) || defined(DOS))
TPRINT(("Enter flush_display_region x=%d, y=%d, w=%d, h=%d\n", x, y, w, h));
(currentdsp->bitblt_to_screen)(currentdsp, DisplayRegion68k, x, y, w, h);
TPRINT(("Exit flush_display_region\n"));
#endif /* DOS */
}
#ifdef BYTESWAP
void byte_swapped_displayregion(int x, int y, int w, int h)
{
extern unsigned char reversedbits[];
register unsigned int *longptr;
/* Get QUAD byte aligned pointer */
longptr = (unsigned int *)(((UNSIGNED)((DLword *)DisplayRegion68k + (DLWORD_PERLINE * y)) +
((x + 7) >> 3)) &
0xfffffffc);
bit_reverse_region((unsigned short *)longptr, w, h, DLWORD_PERLINE);
return;
} /* byte_swapped_displayregion end */
#endif /* BYTESWAP */
/************************************************************************/
/* */
/* f l u s h _ d i s p l a y _ l i n e r e g i o n */
/* */
/* Copy a region of the Lisp display bank to the real frame */
/* buffer. */
/* */
/* x */
/* ybase the offset from top of bitmap, as the address of the */
/* first word of the line to start on. */
/* w the width of the piece to display, in pixels */
/* h the height of the piece to display, in pixels */
/* */
/************************************************************************/
void flush_display_lineregion(UNSIGNED x, DLword *ybase, UNSIGNED w, UNSIGNED h)
#ifdef I386
{ /*flush_display_buffer(); */
int y;
y = ((DLword *)ybase - DisplayRegion68k) / DLWORD_PERLINE;
bit_reverse_region(ybase, displaywidth, h, DLWORD_PERLINE);
pr_rop(ColorDisplayPixrect, x, y, displaywidth, h, COPY_PIXRECT_TO_COLOR, DisplayRegionPixrect, x,
y);
bit_reverse_region(ybase, displaywidth, h, DLWORD_PERLINE);
}
#else
{
int y;
y = ((DLword *)ybase - DisplayRegion68k) / DLWORD_PERLINE;
#ifdef SUNDISPLAY
#ifdef DISPLAYBUFFER
pr_rop(ColorDisplayPixrect, x, y, w, h, COPY_PIXRECT_TO_COLOR, DisplayRegionPixrect, x, y);
#endif /* DISPLAYBUFFER */
#endif /* SUNDISPLAY */
#if (defined(XWINDOW) || defined(DOS))
TPRINT(("Enter flush_display_lineregion x=%d, y=%d, w=%d, h=%d\n", x, y, w, h));
(currentdsp->bitblt_to_screen)(currentdsp, DisplayRegion68k, x, y, w, h);
TPRINT(("Exit flush_display_lineregion\n"));
#endif /* DOS */
}
#endif /* I386 */
/************************************************************************/
/* */
/* f l u s h _ d i s p l a y _ p t r r e g i o n */
/* */
/* Copy a region of the Lisp display bank to the real frame */
/* buffer. */
/* */
/* bitoffset bit offset into word pointed to by ybase */
/* ybase the offset from top of bitmap, as the address of the */
/* word containing the upper-leftmost bit changed. */
/* w the width of the piece to display, in pixels */
/* h the height of the piece to display, in pixels */
/* */
/************************************************************************/
#define BITSPERWORD 16
void flush_display_ptrregion(DLword *ybase, UNSIGNED bitoffset, UNSIGNED w, UNSIGNED h)
#ifdef I386
{ flush_display_buffer(); }
#else
{
int y, x, baseoffset;
baseoffset = (((DLword *)ybase) - DisplayRegion68k);
y = baseoffset / DLWORD_PERLINE;
x = bitoffset + (BITSPERWORD * (baseoffset - (DLWORD_PERLINE * y)));
#endif /* I386 */
#if (defined(SUNDISPLAY) && defined(DISPLAYBUFFER))
pr_rop(ColorDisplayPixrect, x, y, w, h, COPY_PIXRECT_TO_COLOR, DisplayRegionPixrect, x, y);
#elif (defined(XWINDOW) || defined(DOS))
TPRINT(("Enter flush_display_ptrregion\n x=%d, y=%d, w=%d, h=%d\n", x, y, w, h));
(currentdsp->bitblt_to_screen)(currentdsp, DisplayRegion68k, x, y, w, h);
TPRINT(("Exit flush_display_ptrregion\n"));
#endif /* DOS */
}
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