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vid_next.m
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vid_next.m
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// vid_next.m -- NEXTSTEP video driver
#define INTERCEPTOR
#import <appkit/appkit.h>
#import <string.h>
#import "intercep.h"
#include "quakedef.h"
#include "d_local.h"
int BASEWIDTH = 320;
int BASEHEIGHT = 200;
void SetupBitmap (void);
void SetupFramebuffer (void);
void UpdateBitmap (void);
void UpdateFramebuffer (vrect_t *vrect);
void SetVideoEncoding (char *encoding);
void Update8_1 (pixel_t *src, byte *dest, int width,
int height, int destrowbytes);
void Update16_1 (pixel_t *src, unsigned short *dest, int width,
int height, int destrowbytes);
void Update32_1 (pixel_t *src, unsigned *dest, int width,
int height, int destrowbytes);
@interface QuakeView : View
@end
@interface FrameWindow:Window
@end
unsigned short d_8to16table[256]; // not used in 8 bpp mode
unsigned d_8to24table[256]; // not used in 8 bpp mode
/*
==========================================================================
API FUNCTIONS
==========================================================================
*/
typedef enum {disp_bitmap, disp_framebuffer} display_t;
pixel_t *vid_buffer;
pixel_t *buffernative;
unsigned pcolormap[4][256]; // map from quake pixels to native pixels
unsigned pixbytesnative;
unsigned rowbytesnative;
int dither;
int drawdirect = 0;
int d_con_indirect = 0;
display_t vid_display;
byte vid_palette[768]; // saved for restarting vid system
id vid_window_i;
id vid_view_i;
#ifdef INTERCEPTOR
NXDirectBitmap *vid_dbitmap_i;
NXFramebuffer *vid_framebuffer_i;
#endif
NXRect screenBounds; // only valid in framebuffer mode
int vid_scale;
char *vid_encodingstring;
int vid_fullscreen;
int vid_screen;
int vid_high_hunk_mark;
typedef enum
{
enc_24_rgba,
enc_24_0rgb,
enc_24_rgb0,
enc_12_rgba,
enc_12_rgb0,
enc_15_0rgb,
enc_564,
enc_8_gray,
enc_8_rgb
} vid_encoding_t;
typedef struct
{
char *string;
int pixelbytes;
void (*colormap) (void);
vid_encoding_t name;
} vidtype_t;
vid_encoding_t vid_encoding;
void Table8 (void);
void Table15 (void);
void Table12 (void);
void Table12Swap (void);
void Table24 (void);
void Table24Swap (void);
vidtype_t vid_encodingtable[]=
{
{"RRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA",4, Table24Swap, enc_24_rgba},
{"--------RRRRRRRRGGGGGGGGBBBBBBBB",4, Table24, enc_24_0rgb},
{"RRRRRRRRGGGGGGGGBBBBBBBB--------",4, Table24Swap, enc_24_rgb0},
{"RRRRGGGGBBBBAAAA",2, Table12Swap, enc_12_rgba},
{"RRRRGGGGBBBB----",2, Table12, enc_12_rgb0},
{"-RRRRRGGGGGBBBBB",2, Table15, enc_15_0rgb},
{"WWWWWWWW",1, Table8, enc_8_gray},
{"PPPPPPPP",1, Table8, enc_8_rgb},
{NULL,0, 0, 0}
};
vidtype_t *vid_type;
void InitNS8Bit (void);
/*
================
D_BeginDirectRect
================
*/
void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
{
// direct drawing of the "accessing disk" icon isn't supported under Nextstep
}
/*
================
D_EndDirectRect
================
*/
void D_EndDirectRect (int x, int y, int width, int height)
{
// direct drawing of the "accessing disk" icon isn't supported under Nextstep
}
/*
==============
VID_Restart
internal call only
===============
*/
void VID_Restart (display_t mode, int scale)
{
vid_display = mode;
vid_scale = scale;
[NXApp activateSelf:YES];
if (vid_display == disp_framebuffer)
SetupFramebuffer ();
else
SetupBitmap ();
vid.recalc_refdef = 1;
}
/*
=================
VID_Scale_f
Keybinding command
=================
*/
void VID_Scale_f (void)
{
int scale;
if (Cmd_Argc () != 2)
return;
scale = atoi (Cmd_Argv(1));
if (scale != 1 && scale != 2)
{
Con_Printf ("scale must be 1 or 2\n");
return;
}
VID_Shutdown ();
VID_Restart (vid_display, scale);
}
/*
=================
VID_Mode_f
Keybinding command
=================
*/
void VID_Mode_f (void)
{
int mode;
if (Cmd_Argc () != 2)
return;
mode = atoi (Cmd_Argv(1));
VID_Shutdown ();
if (mode == 0)
{
drawdirect = 0;
VID_Restart (disp_bitmap, vid_scale);
}
else if (mode == 1)
{
drawdirect = 0;
VID_Restart (disp_framebuffer, vid_scale);
}
else
{
drawdirect = 1;
VID_Restart (disp_framebuffer, vid_scale);
}
}
/*
=================
VID_Size_f
Keybinding command
=================
*/
void VID_Size_f (void)
{
if (Cmd_Argc () != 3)
return;
VID_Shutdown ();
BASEWIDTH = atoi (Cmd_Argv(1));
BASEHEIGHT = atoi (Cmd_Argv(2));
VID_Restart (vid_display, vid_scale);
}
/*
================
VID_Init
================
*/
void VID_Init (unsigned char *palette)
{
InitNS8Bit (); // fixed palette lookups
Q_memcpy (vid_palette, palette, sizeof(vid_palette));
if (COM_CheckParm ("-bitmap"))
vid_display = disp_bitmap;
else
vid_display = disp_framebuffer;
if (COM_CheckParm ("-screen2"))
vid_screen = 1;
else
vid_screen = 0;
if (COM_CheckParm ("-direct"))
drawdirect = 1;
Cmd_AddCommand ("vid_scale", VID_Scale_f);
Cmd_AddCommand ("vid_mode", VID_Mode_f);
Cmd_AddCommand ("vid_size", VID_Size_f);
vid.width = BASEWIDTH;
vid.height = BASEHEIGHT;
vid.aspect = 1.0;
vid.numpages = 1;
vid.colormap = host_colormap;
vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048));
vid.maxwarpwidth = WARP_WIDTH;
vid.maxwarpheight = WARP_HEIGHT;
if (COM_CheckParm ("-scale2"))
vid_scale = 2;
else
vid_scale = 1;
[Application new];
VID_Restart (vid_display, vid_scale);
}
/*
================
VID_Shutdown
================
*/
void VID_Shutdown (void)
{
#ifdef INTERCEPTOR
if (vid_dbitmap_i)
{
[vid_dbitmap_i free];
vid_dbitmap_i = 0;
}
if (vid_framebuffer_i)
{
[vid_framebuffer_i free];
vid_framebuffer_i = 0;
}
#endif
[vid_window_i close];
[vid_window_i free];
}
/*
================
VID_Update
================
*/
void VID_Update (vrect_t *rects)
{
if (drawdirect)
return;
while (rects)
{
UpdateFramebuffer (rects);
rects = rects->pnext;
}
if (vid_display == disp_bitmap)
UpdateBitmap ();
}
/*
================
VID_SetPalette
================
*/
void VID_SetPalette (unsigned char *palette)
{
Q_memcpy (vid_palette, palette, sizeof(vid_palette));
vid_type->colormap ();
}
/*
================
VID_ShiftPalette
================
*/
void VID_ShiftPalette (unsigned char *palette)
{
VID_SetPalette (palette);
}
/*
==========================================================================
NS STUFF
==========================================================================
*/
/*
=================
SetVideoEncoding
=================
*/
void SetVideoEncoding (char *encoding)
{
vidtype_t *type;
Sys_Printf ("SetVideoEncoding: %s\n",encoding);
vid_encodingstring = encoding;
for (type = vid_encodingtable ; type->string ; type++)
{
if (strcmp(type->string, encoding) == 0)
{
pixbytesnative = type->pixelbytes;
vid_encoding = type->name;
type->colormap ();
vid_type = type;
return;
}
}
Sys_Error ("Unsupported video encoding: %s\n",encoding);
}
/*
=================
AllocBuffers
=================
*/
void AllocBuffers (qboolean withnative)
{
int surfcachesize;
void *surfcache;
int pixels;
int pixbytes;
int vid_buffersize;
if (vid_buffer)
{
D_FlushCaches ();
Hunk_FreeToHighMark (vid_high_hunk_mark);
vid_high_hunk_mark = 0;
vid_buffer = NULL;
}
pixels = vid.width * vid.height;
pixbytes = 1 +sizeof (*d_pzbuffer);
if (withnative)
pixbytes += pixbytesnative;
surfcachesize = D_SurfaceCacheForRes (vid.width, vid.height);
vid_buffersize = pixels * pixbytes + surfcachesize;
vid_high_hunk_mark = Hunk_HighMark ();
vid_buffer = Hunk_HighAllocName (vid_buffersize, "video");
if (!vid_buffer)
Sys_Error ("Couldn't alloc video buffers");
vid.buffer = vid_buffer;
d_pzbuffer = (unsigned short *)((byte *)vid_buffer + pixels);
surfcache = (byte *)d_pzbuffer + pixels * sizeof (*d_pzbuffer);
if (withnative)
buffernative = (byte *)surfcache + surfcachesize;
D_InitCaches (surfcache, surfcachesize);
}
/*
=================
SetupFramebuffer
=================
*/
void SetupFramebuffer (void)
{
#ifdef INTERCEPTOR
int windowNum;
NXRect cont;
NXScreen const *screens;
int screencount;
//
// get the screen list
//
[NXApp getScreens:&screens count:&screencount];
//
// create vid_framebuffer_i
//
vid_framebuffer_i = [[NXFramebuffer alloc]
initFromScreen:screens[vid_screen].screenNumber andMapIfPossible:YES];
[vid_framebuffer_i screenBounds:&screenBounds];
SetVideoEncoding ([vid_framebuffer_i pixelEncoding]);
buffernative = [vid_framebuffer_i data];
rowbytesnative = [vid_framebuffer_i bytesPerRow];
//
// create window
//
if (vid_fullscreen)
{
vid.height = screenBounds.size.height / vid_scale;
vid.width = screenBounds.size.width / vid_scale;
cont.origin.x = 0;
cont.origin.y = 0;
cont.size.width = screenBounds.size.width;
cont.size.height = screenBounds.size.height;
}
else
{
buffernative = (unsigned char *)buffernative + 8 * rowbytesnative +
8 * pixbytesnative;
vid.width = BASEWIDTH;
vid.height = BASEHEIGHT;
cont.origin.x = 8;
cont.origin.y = screenBounds.size.height - (vid.height*vid_scale) - 8;
cont.size.width = vid.width * vid_scale;
cont.size.height = vid.height * vid_scale;
}
vid_window_i = [[FrameWindow alloc]
initContent: &cont
style: NX_PLAINSTYLE
backing: NX_NONRETAINED
buttonMask: 0
defer: NO
screen: screens+vid_screen];
windowNum = [vid_window_i windowNum];
PSsetwindowlevel(40, windowNum);
PSsetautofill(YES, windowNum);
PSgsave();
PSwindowdeviceround(windowNum);
PSsetgray(NX_BLACK);
PSsetexposurecolor();
PSgrestore();
//
// create view
//
vid_view_i = [[QuakeView alloc] initFrame: &screenBounds];
[[vid_window_i setContentView: vid_view_i] free];
[vid_window_i makeFirstResponder: vid_view_i];
[vid_window_i setDelegate: vid_view_i];
[vid_window_i display];
[vid_window_i makeKeyAndOrderFront: nil];
NXPing ();
AllocBuffers (false); // no native buffer
if (drawdirect)
{ // the direct drawing mode to NeXT colorspace
vid.buffer = buffernative;
vid.rowbytes = rowbytesnative;
}
else
vid.rowbytes = vid.width;
vid.conbuffer = vid.buffer;
vid.conrowbytes = vid.rowbytes;
vid.conwidth = vid.width;
vid.conheight = vid.height;
#endif
}
/*
=================
SetupBitmap
=================
*/
void SetupBitmap (void)
{
int depth;
NXRect content;
//
// open a window
//
NXSetRect (&content, 8,136, vid.width*vid_scale, vid.height*vid_scale);
vid_window_i = [[Window alloc]
initContent: &content
style: NX_RESIZEBARSTYLE
backing: NX_RETAINED
buttonMask: 0
defer: NO
];
[vid_window_i display];
[vid_window_i makeKeyAndOrderFront: nil];
NXPing ();
content.origin.x = content.origin.y = 0;
vid_view_i = [[QuakeView alloc] initFrame: &content];
[[vid_window_i setContentView: vid_view_i] free];
[vid_window_i makeFirstResponder: vid_view_i];
[vid_window_i setDelegate: vid_view_i];
[vid_window_i addToEventMask: NX_FLAGSCHANGEDMASK];
//
// find video info
//
depth = [Window defaultDepthLimit];
switch (depth) {
case NX_EightBitGrayDepth:
SetVideoEncoding ("WWWWWWWW");
break;
case NX_TwelveBitRGBDepth:
SetVideoEncoding ("RRRRGGGGBBBBAAAA");
break;
default:
case NX_TwentyFourBitRGBDepth:
SetVideoEncoding ("RRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA");
break;
// default: // 8 bit color shows up as an unknown...
Sys_Error ("Unsupported window depth");
}
[vid_window_i setTitle: "Bitmap Quake Console"];
//
// allocate memory for the back and translation buffers
//
vid.rowbytes = vid.width;
rowbytesnative = vid.width * pixbytesnative;
AllocBuffers (true);
vid.conbuffer = vid.buffer;
vid.conrowbytes = vid.rowbytes;
vid.conwidth = vid.width;
vid.conheight = vid.height;
}
/*
=================
UpdateFramebuffer
=================
*/
void UpdateFramebuffer (vrect_t *vrect)
{
byte *psourcebase;
byte *pdestbase;
int scale;
psourcebase = vid.buffer + vrect->x + vrect->y * vid.rowbytes;
if (vid_display == disp_bitmap)
scale = 1; // let NS do the scaling
else
scale = vid_scale;
pdestbase = buffernative + scale *
(vrect->x * pixbytesnative + vrect->y * rowbytesnative);
//
// translate from ideal to native (except 8 bpp direct) and copy to screen
//
if (pixbytesnative == 1)
Update8_1 (psourcebase, pdestbase, vrect->width, vrect->height,
rowbytesnative);
else if (pixbytesnative == 2)
Update16_1 (psourcebase, (unsigned short *)pdestbase, vrect->width, vrect->height,
rowbytesnative);
else
Update32_1 (psourcebase, (unsigned *)pdestbase, vrect->width, vrect->height,
rowbytesnative);
}
/*
=================
UpdateBitmap
=================
*/
void UpdateBitmap (void)
{
unsigned char *planes[5];
NXRect bounds;
int bpp, spp, bps, bpr, colorspace;
//
// flush the screen with an image call
//
if (pixbytesnative == 1)
{
bps = 8;
spp = 1;
bpp = 8;
bpr = vid.width;
colorspace = NX_OneIsWhiteColorSpace;
planes[0] = vid.buffer;
}
else if (pixbytesnative == 2)
{
bps = 4;
spp = 3;
bpp = 16;
bpr = vid.width * 2;
colorspace = NX_RGBColorSpace;
planes[0] = buffernative;
}
else
{
bps = 8;
spp = 3;
bpp = 32;
bpr = vid.width * 4;
colorspace = NX_RGBColorSpace;
planes[0] = buffernative;
}
[vid_view_i getBounds: &bounds];
[vid_view_i lockFocus];
NXDrawBitmap(
&bounds,
vid.width,
vid.height,
bps,
spp,
bpp,
bpr,
NO,
NO,
colorspace,
planes
);
[vid_view_i unlockFocus];
NXPing ();
}
/*
==========================================================================
TRANSLATION TABLE BUILDING
==========================================================================
*/
int redramp[] = {0, 19, 59, 113, 178, 255, 300};
int greenramp[] = {0, 11, 34, 66, 104, 149, 199, 255, 300};
int blueramp[] = {0, 28, 84, 161, 255, 300};
int greyramp[] = { 0, 17, 34, 51, 68, 85, 102, 119, 136, 153, 170, 187, 204,
221, 238, 255, 300};
byte greytable[256];
byte redtable[256];
byte greentable[256];
byte bluetable[256];
void FillTable (byte *table, int *ramp, int base)
{
int i, j, o;
o = 0;
for (i=0 ; i<16 && o < 256; i++)
{
j = ramp[i];
for ( ; o<=j ; o++)
table[o] = base + i;
}
}
void InitNS8Bit (void)
{
FillTable (greytable, greyramp, 240);
FillTable (redtable, redramp, 0);
FillTable (greentable, greenramp, 0);
FillTable (bluetable, blueramp, 0);
}
byte ns8trans[256] = // FIXME: dynamically calc this so palettes work
{
0,241,242,243,244,244,245,246,247,248,249,250,251,252,253,254,
45,241,241,242,91,91,91,96,96,136,136,136,141,141,141,141,
241,46,242,243,243,97,97,97,245,246,143,143,143,143,148,148,
0,5,45,45,50,50,90,90,95,95,95,95,95,140,140,141,
0,40,40,40,40,80,80,80,80,80,120,120,120,120,120,120,
45,50,50,90,90,95,95,135,135,135,136,141,141,181,181,181,
45,90,91,91,131,131,136,136,136,176,181,181,186,226,231,236,
45,45,91,91,96,96,136,136,137,142,182,182,187,188,188,233,
188,249,248,247,246,137,137,137,244,243,243,91,242,241,241,45,
183,183,183,247,137,137,137,137,137,244,91,91,91,241,241,45,
252,251,188,188,248,248,142,142,142,244,244,243,91,242,241,45,
247,247,246,246,245,245,244,244,243,243,242,242,51,241,241,5,
236,231,231,191,186,185,185,140,140,135,135,95,90,90,45,45,
4,49,49,53,53,93,93,93,93,92,92,92,243,242,46,241,
239,239,239,239,239,239,239,239,239,239,239,239,239,239,239,239,
239,239,239,239,239,239,239,239,239,239,239,239,239,239,239,182
};
/*
===================
Table8
===================
*/
void Table8 (void)
{
byte *pal;
int r,g,b,v;
int i;
byte *table;
pal = vid_palette;
table = (byte *)pcolormap[0];
for (i=0 ; i<256 ; i++)
{
r = pal[0];
g = pal[1];
b = pal[2];
pal += 3;
// use the grey ramp if all indexes are close
if (r-g < 16 && r-g > -16 && r-b < 16 && r-b > -16)
{
v = (r+g+b)/3;
*table++ = greytable[v];
continue;
}
r = redtable[r];
g = greentable[g];
b = bluetable[b];
// otherwise use the color cube
*table++ = r*(8*5) + g*5 + b;
}
}
/*
===================
Table24
===================
*/
void Table24 (void)
{
byte *pal;
int r,g,b,v;
int i;
unsigned *table;
//
// 8 8 8 encoding
//
pal = vid_palette;
table = (unsigned *)pcolormap[0];
for (i=0 ; i<256 ; i++)
{
r = pal[0];
g = pal[1];
b = pal[2];
pal += 3;
v = (r<<16) + (g<<8) + b;
*table++ = v;
}
}
/*
===================
Table24Swap
===================
*/
void Table24Swap (void)
{
byte *pal;
int r,g,b,v;
int i;
unsigned *table;
//
// 8 8 8 encoding
//
pal = vid_palette;
table = (unsigned *)pcolormap[0];
for (i=0 ; i<256 ; i++)
{
r = pal[0];
g = pal[1];
b = pal[2];
pal += 3;
v = (r<<24) + (g<<16) + (b<<8) /*+ 255*/;
v = NXSwapBigLongToHost (v);
*table++ = v;
}
}
/*
===================
Table15
===================
*/
void Table15 (void)
{
byte *pal;
int r,g,b,v;
int i, k;
unsigned char *palette;
unsigned short *table;
int dadj;
int ditheradjust[4] = {(1 << 9) * 3 / 8,
(1 << 9) * 5 / 8,
(1 << 9) * 7 / 8,
(1 << 9) * 1 / 8};
palette = vid_palette;
table = (unsigned short *)pcolormap;
//
// 5 5 5 encoding
//
for (k=0 ; k<4 ; k++)
{
dadj = ditheradjust[k];
pal = vid_palette;
for (i=0 ; i<256 ; i++)
{
// shift 6 bits to get back to 0-255, & 3 more for 5 bit color
// FIXME: scale intensity levels properly
r = (pal[0] + dadj) >> 3;
g = (pal[1] + dadj) >> 3;
b = (pal[2] + dadj) >> 3;
pal += 3;
v = (r<<10) + (g<<5) + b;
*table++ = v;
}
}
}
/*
===================
Table12
===================
*/
void Table12 (void)
{
byte *pal;
int r,g,b,v;
int i, k;
unsigned short *table;
int dadj;
static int ditheradjust[4] = {(1 << 9) * 3 / 8,
(1 << 9) * 5 / 8,
(1 << 9) * 7 / 8,
(1 << 9) * 1 / 8};
table = (unsigned short *)pcolormap;
//
// 4 4 4 encoding
//
for (k=0 ; k<4 ; k++)
{
dadj = ditheradjust[k];
pal = vid_palette;
for (i=0 ; i<256 ; i++)
{
// shift 5 bits to get back to 0-255, & 4 more for 4 bit color
// FIXME: scale intensity levels properly
r = (pal[0] + dadj) >> 4;
g = (pal[1] + dadj) >> 4;
b = (pal[2] + dadj) >> 4;
pal += 3;
v = ((r<<12) + (g<<8) + (b<<4) /*+ 15*/);
*table++ = v;
}
}
}
/*
===================
Table12Swap
===================
*/
void Table12Swap (void)
{
byte *pal;
int r,g,b,v;
int i, k;
unsigned short *table;
int dadj;
static int ditheradjust[4] = {(1 << 9) * 3 / 8,
(1 << 9) * 5 / 8,
(1 << 9) * 7 / 8,
(1 << 9) * 1 / 8};
table = (unsigned short *)pcolormap;
//
// 4 4 4 encoding
//
for (k=0 ; k<4 ; k++)
{
dadj = ditheradjust[k];
pal = vid_palette;
for (i=0 ; i<256 ; i++)
{