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Copy pathcommandsScreens.cpp
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commandsScreens.cpp
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#include "stdafx.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <string>
#include <iostream>
#ifdef __amigaos4__
#include <proto/exec.h>
#include <proto/dos.h>
#include <proto/retroMode.h>
#include <proto/datatypes.h>
#include <datatypes/pictureclass.h>
#include "var_helper.h"
// undo stupid changes in the SDK.
#define xAspect bmh_XAspect
#define yAspect bmh_YAspect
#endif
#ifdef __linux__
#include "os/linux/stuff.h"
#include <retromode.h>
#include <retromode_lib.h>
#endif
#include <amosKittens.h>
#include <stack.h>
#include "debug.h"
#include "commandsScreens.h"
#include "commandsBlitterObject.h"
#include "KittyErrors.h"
#include "engine.h"
#include <math.h>
extern struct retroRGB DefaultPalette[256];
extern struct retroTextWindow *newTextWindow( struct retroScreen *screen, int id );
extern void freeAllTextWindows(struct retroScreen *screen);
extern void __erase_bobs_on_screen__(int screen_id);
#define true_lowres 0x0
#define true_hires 0x8000
#define true_laced 0x4
extern struct fileContext *kittensFile;
unsigned int amosModeToRetro(unsigned int aMode)
{
unsigned int retMode = 0;
switch (aMode)
{
case true_lowres:
retMode = retroLowres; break;
case true_hires:
retMode = retroHires; break;
case (true_lowres | true_laced):
retMode = retroLowres | retroInterlaced; break;
case (true_hires | true_laced):
retMode = retroHires | retroInterlaced; break;
}
return retMode;
}
unsigned int retroModeToAmosMode(unsigned int rMode)
{
unsigned int retMode = 0;
if (rMode & retroLowres) retMode |= true_lowres;
if (rMode & retroLowres_pixeld) retMode |= true_lowres;
if (rMode & retroHires) retMode |= true_hires;
if (rMode & retroInterlaced) retMode |= true_laced;
return retMode;
}
#define monitor_id_mask 0xFFFF1000
struct mode_table
{
unsigned int key;
unsigned xdpi;
unsigned ydpi;
};
void AmigaModeToRetro( unsigned int modeid, ULONG *retMode, float *aspect )
{
unsigned int monitor_id = modeid & monitor_id_mask;
unsigned int id = modeid & ~monitor_id_mask;
*retMode = 0;
float xdpi = 40;
float ydpi = 40;
if ((monitor_id == PAL_MONITOR_ID) || (monitor_id == NTSC_MONITOR_ID) || (monitor_id == 0x0000 ))
{
if (id & 0x800) *retMode |= retroHam6;
id &= ~0x800; // remove ham bit..
id &= ~0x080; // remove half bright
if ( (modeid & 0x0004) || (modeid & 0x0400) ) // Interlaced or double productivity frequency
{
*retMode |= retroInterlaced;
ydpi = 20;
printf("Interlaced\n");
}
if (modeid & 0x8000)
{
*retMode |= retroHires;
xdpi = 20;
printf("hires\n");
}
else
{
*retMode |= retroLowres;
printf("lowres\n");
}
}
else
{
*retMode = retroHires | retroInterlaced;
}
*aspect = (1.0f / xdpi) / (1.0f / ydpi);
}
int physical( retroScreen *screen )
{
return (screen ->Memory[1]) ? 1-screen -> double_buffer_draw_frame : 0;
}
int logical( retroScreen *screen )
{
return screen -> double_buffer_draw_frame;
}
void init_amos_kittens_screen_default_text_window( struct retroScreen *screen, int colors )
{
struct retroTextWindow *textWindow = NULL;
if (colors == 2)
{
screen->pen = 1;
screen->paper = 0;
screen->ink0 = 1;
screen->ink1= 0;
screen->ink2= 0;
}
else
{
screen->pen = 2;
screen->paper = 1;
screen->ink0 = 2;
screen->ink1= 0;
screen->ink2= 0;
}
if (textWindow = newTextWindow( screen, 0 ))
{
textWindow -> charsPerRow = screen -> realWidth / 8;
textWindow -> rows = screen -> realHeight / 8;
screen -> currentTextWindow = textWindow;
}
}
void init_amos_kittens_screen_default_colors(struct retroScreen *screen)
{
set_default_colors( screen );
retroFlash( screen, 3, (char *) "(100,5),(200,5),(300,5),(400,5),(500,5),(600,5)(700,5),(800,5),(900,5),(A00,5),(B00,5),(A00,5),(900,5),(800,5),(700,5),(600,5),(500,5)(400,5),(300,5),(200,5)");
retroBAR( screen, 0, 0,0, screen -> realWidth,screen->realHeight, screen -> paper );
}
char *_gfxScreenOpen( struct glueCommands *data, int nextToken )
{
int args = instance.stack - data->stack +1 ;
bool success = false;
int colors = 0;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==5)
{
int screen_num = getStackNum(__stack-4 );
if ((screen_num>-1)&&(screen_num<8))
{
int mode = 0;
struct retroScreen *screen;
instance.current_screen = screen_num;
colors = getStackNum(__stack-1 );
mode = amosModeToRetro(getStackNum(__stack ));
if (colors == 0x40000 ) mode |= retroHam8;
if (colors == 4096) mode |= retroHam6 ;
if (colors == -6) mode |= retroHam6 ;
if (colors == -8) mode |= retroHam8 ;
engine_lock();
if (instance.screens[screen_num]) retroCloseScreen(&instance.screens[screen_num]);
instance.screens[screen_num] = retroOpenScreen(getStackNum(__stack-3 ),getStackNum(__stack-2 ),mode);
if (screen = instance.screens[screen_num])
{
init_amos_kittens_screen_default_text_window(screen, colors);
init_amos_kittens_screen_default_colors(screen);
draw_cursor(screen);
retroApplyScreen( screen, instance.video, 0, 0, screen -> realWidth,screen->realHeight );
}
engine_unlock();
success = true;
}
}
if (success == false) setError(22,data->tokenBuffer);
popStack( instance.stack - data->stack );
return NULL;
}
// make sure there is standard way to close screens, that take care of clean up.
void __kitten_screen_close( int screen_num,retroScreen **screen )
{
freeAllTextWindows( *screen );
freeScreenBobs( screen_num );
retroCloseScreen( screen );
// find a open screen, and set current screen to that.
if (screen_num == instance.current_screen)
{
int n;
for (n=7; n>-1;n--)
{
if (instance.screens[n])
{
instance.current_screen = n;
break;
}
}
}
}
bool kitten_screen_close_atomic(int screen_num )
{
if ((screen_num>-1)&&(screen_num<8))
{
engine_lock();
__kitten_screen_close( screen_num,&instance.screens[screen_num] );
engine_unlock();
return true;
}
return false;
}
char *_gfxScreenClose( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
bool success = false;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==1)
{
int screen_num = getStackNum(__stack );
success = kitten_screen_close_atomic( screen_num );
}
if (success == false) setError(22,data->tokenBuffer);
popStack(__stack - data->stack );
return NULL;
}
char *gfxScreenClose(struct nativeCommand *cmd, char *tokenBuffer)
{
stackCmdNormal( _gfxScreenClose, tokenBuffer );
return tokenBuffer;
}
void copy_pal( struct retroRGB *source_pal, struct retroRGB *dest_pal)
{
int n;
for (n=0; n<256;n++)
{
*dest_pal=*source_pal;
source_pal++;
dest_pal++;
}
}
char *_gfxScreenClone( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
bool success = false;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==1)
{
int screen_num = getStackNum(__stack );
if ((screen_num>-1)&&(screen_num<8))
{
if (instance.screens[instance.current_screen]) // check if current screen is open.
{
engine_lock();
if (instance.screens[screen_num]) retroCloseScreen(&instance.screens[screen_num]);
instance.screens[screen_num] = retroScreenClone(instance.screens[instance.current_screen], instance.screens[instance.current_screen] -> videomode );
if (instance.screens[screen_num])
{
instance.screens[screen_num] -> fade_speed = 0;
instance.screens[screen_num] -> fade_count = 0;
copy_pal( instance.screens[instance.current_screen] -> orgPalette, instance.screens[screen_num] -> orgPalette );
copy_pal( instance.screens[instance.current_screen] -> rowPalette, instance.screens[screen_num] -> rowPalette );
copy_pal( instance.screens[instance.current_screen] -> fadePalette, instance.screens[screen_num] -> fadePalette );
retroApplyScreen( instance.screens[screen_num], instance.video,
instance.screens[screen_num]->scanline_x,
instance.screens[screen_num]->scanline_y,
instance.screens[screen_num]->displayWidth,
instance.screens[screen_num]->displayHeight );
instance.video -> refreshAllScanlines = TRUE;
}
engine_unlock();
instance.current_screen = screen_num;
success = true;
}
}
}
if (success == false) setError(22,data->tokenBuffer);
popStack(__stack - data->stack );
return NULL;
}
char *_gfxScreenDisplay( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
bool success = false;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==5)
{
int screen_num = getStackNum(__stack-4 );
if ((screen_num>-1)&&(screen_num<8))
{
struct retroScreen *screen;
engine_lock();
if (screen = instance.screens[screen_num])
{
// can't change screen scanline_x,y direct its read only.
int tmp_scanline_x = screen -> scanline_x;
int tmp_scanline_y = screen -> scanline_y;
int tmp_displayWidth = screen -> displayWidth;
int tmp_displayHeight = screen -> displayHeight;
if (kittyStack[__stack-3].type == type_int) tmp_scanline_x = (getStackNum(__stack-3 )-128)*2;
if (kittyStack[__stack-2].type == type_int) tmp_scanline_y = (getStackNum(__stack-2 )- 50)*2;
if (kittyStack[__stack-1].type == type_int) tmp_displayWidth = getStackNum(__stack-1 );
if (kittyStack[__stack].type == type_int) tmp_displayHeight = getStackNum(__stack );
// This function compares input values, with what is stored inside of screen struct,
// do not change screen struct values manually... they should be private.
retroApplyScreen( screen, instance.video,
tmp_scanline_x,
tmp_scanline_y,
tmp_displayWidth,
tmp_displayHeight );
}
else
{
setError(47,data->tokenBuffer); // Screen not open.
}
engine_unlock();
success = true;
}
}
if (success == false) setError(22,data->tokenBuffer);
popStack(__stack - data->stack );
return NULL;
}
char *_gfxScreenOffset( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
bool success = false;
int ret = 0;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==3)
{
int screen_num = getStackNum(__stack-2 );
if ((screen_num>-1)&&(screen_num<8))
{
if (kittyStack[__stack-1].type == type_int) instance.screens[screen_num] -> offset_x = getStackNum(__stack-1 );
if (kittyStack[__stack].type == type_int) instance.screens[screen_num] -> offset_y = getStackNum(__stack );
instance.screens[screen_num] -> refreshScanlines = TRUE;
instance.video -> refreshSomeScanlines = TRUE;
success = true;
}
}
if (success == false) setError(22,data->tokenBuffer);
popStack(__stack - data->stack );
setStackNum(ret);
return NULL;
}
char *_gfxScin( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
int ret = -1;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==2)
{
// int mx = getStackNum(__stack-1 );
int my = getStackNum(__stack );
if ((my>-1)&&(my<480))
{
struct retroScreen *s = NULL;
struct retroScanline *scanline = &instance.video -> scanlines[my].scanline[0];
int n;
if ( scanline -> data)
{
s = scanline -> screen;
}
else if (my>0)
{
s = scanline -> screen;
}
if (s)
{
for (n=0;n<8;n++)
{
if ( instance.screens[n] == s )
{
ret =n;
break;
}
}
}
}
}
popStack(__stack - data->stack );
setStackNum( ret );
return NULL;
}
char *gfxScreenOpen(struct nativeCommand *cmd, char *tokenBuffer)
{
stackCmdNormal( _gfxScreenOpen, tokenBuffer );
return tokenBuffer;
}
char *gfxLowres(struct nativeCommand *cmd, char *tokenBuffer)
{
setStackNum( true_lowres );
return tokenBuffer;
}
char *gfxHires(struct nativeCommand *cmd, char *tokenBuffer)
{
setStackNum( true_hires );
return tokenBuffer;
}
char *gfxScreenDisplay(struct nativeCommand *cmd, char *tokenBuffer)
{
stackCmdNormal( _gfxScreenDisplay, tokenBuffer );
return tokenBuffer;
}
char *gfxScreenOffset(struct nativeCommand *cmd, char *tokenBuffer)
{
stackCmdNormal( _gfxScreenOffset, tokenBuffer );
return tokenBuffer;
}
char *_gfxScreen( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
bool success = false;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==1)
{
int screen_num = getStackNum(__stack );
if ((screen_num>-1)&&(screen_num<8))
{
if (instance.screens[screen_num])
{
instance.current_screen = screen_num;
success = true;
}
}
if (success == false) setError(47,data->tokenBuffer);
}
else setError(22,data->tokenBuffer);
popStack(__stack - data->stack );
return NULL;
}
char *gfxScreen(struct nativeCommand *cmd, char *tokenBuffer)
{
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if ( (getLastProgStackToken() == token_trap ) || (instance.token_is_fresh) )
{
stackCmdNormal( _gfxScreen, tokenBuffer );
}
else
{
unsigned short next_token = *((short *) (tokenBuffer) );
setStackNum( instance.screens[instance.current_screen] ? instance.current_screen : -1 ); // returns -1 if no screen is open.
flushCmdParaStack( next_token );
}
return tokenBuffer;
}
char *gfxScreenClone(struct nativeCommand *cmd, char *tokenBuffer)
{
stackCmdNormal( _gfxScreenClone, tokenBuffer );
return tokenBuffer;
}
char *gfxScreenColour(struct nativeCommand *cmd, char *tokenBuffer)
{
setStackNum(256);
return tokenBuffer;
}
char *_gfxScreenWidth( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==1)
{
int screen_num = getStackNum(__stack );
if ((screen_num>-1)&&(screen_num<8))
{
popStack(__stack - data->stack );
setStackNum(instance.screens[screen_num] -> realWidth);
return NULL;
}
setError(47,data->tokenBuffer);
}
else setError(22,data->tokenBuffer);
popStack(__stack - data->stack );
return NULL;
}
char *gfxScreenWidth(struct nativeCommand *cmd, char *tokenBuffer)
{
unsigned short next_token = *((unsigned short *) tokenBuffer);
if (next_token == 0x0074)
{
stackCmdParm( _gfxScreenWidth, tokenBuffer );
}
else if (instance.screens[instance.current_screen]) // check if current screen is open.
{
setStackNum(instance.screens[instance.current_screen] -> realWidth);
}
return tokenBuffer;
}
char *_gfxScreenHeight( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
bool success = false;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==1)
{
int screen_num = getStackNum(__stack );
if ((screen_num>-1)&&(screen_num<8))
{
popStack(__stack - data->stack );
setStackNum(instance.screens[screen_num] -> realHeight);
return NULL;
}
if (success == false) setError(47,data->tokenBuffer);
}
else setError(22,data->tokenBuffer);
popStack(__stack - data->stack );
return NULL;
}
char *gfxScreenHeight(struct nativeCommand *cmd, char *tokenBuffer)
{
unsigned short next_token = *((unsigned short *) tokenBuffer);
if (next_token == 0x0074)
{
stackCmdParm( _gfxScreenHeight, tokenBuffer );
}
else if (instance.screens[instance.current_screen]) // check if current screen is open.
{
setStackNum(instance.screens[instance.current_screen] -> realHeight);
}
return tokenBuffer;
}
char *gfxGetScreen(struct nativeCommand *cmd, char *tokenBuffer)
{
if (instance.screens[instance.current_screen]) // check if current screen is open.
{
setStackNum(instance.current_screen);
}
else setStackNum(-1);
return tokenBuffer;
}
char *gfxScin(struct nativeCommand *cmd, char *tokenBuffer)
{
stackCmdParm( _gfxScin, tokenBuffer );
return tokenBuffer;
}
char *_gfxScreenToFront( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
bool success = false;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==1)
{
int screen_num = getStackNum(__stack );
if ((screen_num>-1)&&(screen_num<8))
{
if (instance.screens[screen_num])
{
retroScreenToFront(instance.screens[screen_num]);
instance.video -> refreshAllScanlines = TRUE;
success = true;
}
}
}
if (success == false) setError(22,data->tokenBuffer);
popStack(__stack - data->stack );
return NULL;
}
char *gfxScreenToFront(struct nativeCommand *cmd, char *tokenBuffer)
{
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
stackCmdParm( _gfxScreenToFront, tokenBuffer );
return tokenBuffer;
}
char *_gfxScreenToBack( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
bool success = false;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==1)
{
int screen_num = 0;
if (kittyStack[__stack].type != type_none)
{
screen_num = getStackNum(__stack );
}
else screen_num = instance.current_screen;
if ((screen_num>-1)&&(screen_num<8))
{
if (instance.screens[screen_num])
{
retroScreenToBack(instance.screens[screen_num]);
instance.video -> refreshAllScanlines = TRUE;
success = true;
}
}
}
if (success == false) setError(22,data->tokenBuffer);
popStack(__stack - data->stack );
return NULL;
}
char *gfxScreenToBack(struct nativeCommand *cmd, char *tokenBuffer)
{
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
stackCmdParm( _gfxScreenToBack, tokenBuffer );
setStackNone();
return tokenBuffer;
}
char *_gfxScreenShow( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
if (args==1)
{
int screen_num =-1;
bool success = false;
switch (kittyStack[__stack].type)
{
case type_none:
screen_num = instance.current_screen;
break;
case type_int:
screen_num = getStackNum(__stack );
break;
}
if ((screen_num>-1)&&(screen_num<8))
{
if (instance.screens[screen_num])
{
instance.screens[screen_num]->flags &= ~retroscreen_flag_hide;
instance.video -> refreshAllScanlines = TRUE;
success = true;
}
}
if (success == false) setError(47,data->tokenBuffer);
}
else setError( 22, data -> tokenBuffer );
popStack(__stack - data->stack );
return NULL;
}
char *_gfxScreenHide( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
bool success = false;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
dump_stack();
if (args==1)
{
int screen_num = getStackNum(__stack );
if ((screen_num>-1)&&(screen_num<8))
{
if (instance.screens[screen_num])
{
instance.screens[screen_num]->flags |= retroscreen_flag_hide;
instance.video -> refreshAllScanlines = TRUE;
success = true;
}
}
if (success == false) setError(47,data->tokenBuffer);
}
else setError(22,data->tokenBuffer);
popStack(__stack - data->stack );
return NULL;
}
char *_gfxScreenCopy( struct glueCommands *data, int nextToken )
{
int args =__stack - data->stack +1 ;
struct retroScreen *src_screen = NULL;
struct retroScreen *dest_screen = NULL;
int src_buffer, dest_buffer;
uint32_t src_screen_flags = 0;
uint32_t dest_screen_flags = 0;
uint32_t src_screen_nr = 0;
uint32_t dest_screen_nr = 0;
int src_x0 = 0;
int src_y0 = 0;
int src_x1 = 0;
int src_y1 = 0;
int dest_x = 0;
int dest_y = 0;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
switch (args)
{
case 2: // Screen Copy {source} to {dest}
src_screen_flags = getStackNum(__stack-1 );
dest_screen_flags = getStackNum(__stack );
src_screen_nr = src_screen_flags & 0xFF;
dest_screen_nr = dest_screen_flags & 0xFF;
if ((src_screen_nr>=0)&&(src_screen_nr<8)&&(dest_screen_nr>=0)&&(dest_screen_nr<8))
{
src_screen = instance.screens[src_screen_nr];
src_x1 = src_screen->realWidth-1;
src_y1 = src_screen->realHeight-1;
dest_screen = instance.screens[dest_screen_nr];
}
break;
case 8: // Screen Copy {source},x0,y0,x1,y1 to {dest},x,y
src_screen_flags = getStackNum(__stack-7 );
dest_screen_flags = getStackNum(__stack-2 );
src_screen_nr = src_screen_flags & 0xFF;
dest_screen_nr = dest_screen_flags & 0xFF;
src_x0 = getStackNum(__stack-6 );
src_y0 = getStackNum(__stack-5 );
src_x1 = getStackNum(__stack-4 );
src_y1 = getStackNum(__stack-3 );
dest_x = getStackNum(__stack-1 );
dest_y = getStackNum(__stack );
if ((src_screen_nr>=0)&&(src_screen_nr<8)&&(dest_screen_nr>=0)&&(dest_screen_nr<8))
{
src_screen = instance.screens[src_screen_nr];
dest_screen = instance.screens[dest_screen_nr];
}
break;
default:
printf("args: %d\n",args);
setError(22,data->tokenBuffer);
popStack(__stack - data->stack );
return NULL;
}
if ( (src_screen) && (dest_screen) )
{
src_buffer = ((src_screen_flags & 0xFFFFFF00) == 0xC0000000) ? physical( src_screen ) : logical( src_screen );
dest_buffer = ((dest_screen_flags & 0xFFFFFF00) == 0xC0000000) ? physical( dest_screen ) : logical( dest_screen );
retroScreenBlit( src_screen, src_buffer ,src_x0, src_y0, src_x1-src_x0, src_y1-src_y0, dest_screen, dest_buffer, dest_x, dest_y);
}
else setError(47,data->tokenBuffer);
popStack(__stack - data->stack );
return NULL;
}
char *gfxScreenShow(struct nativeCommand *cmd, char *tokenBuffer)
{
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
stackCmdParm( _gfxScreenShow, tokenBuffer );
setStackNone();
return tokenBuffer;
}
char *gfxScreenHide(struct nativeCommand *cmd, char *tokenBuffer)
{
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
stackCmdParm( _gfxScreenHide, tokenBuffer );
return tokenBuffer;
}
char *gfxScreenCopy(struct nativeCommand *cmd, char *tokenBuffer)
{
stackCmdNormal( _gfxScreenCopy, tokenBuffer );
return tokenBuffer;
}
void grayScalePalette( struct retroScreen *screen, int colors )
{
int c;
for (c=0;c<colors;c++)
{
retroScreenColor(screen,c,c,c,c);
}
}
void argbToGrayScale(struct RastPort *rp, int y, struct retroScreen *screen)
{
int x;
int luminate;
uint32_t argb;
unsigned char *mem = screen -> Memory[screen -> double_buffer_draw_frame];
for (x=0;x<screen->realWidth;x++)
{
argb = ReadPixelColor(rp,x,y);
luminate = (((argb & 0xFF0000) >> 16)
+ ((argb & 0xFF00) >> 8)
+ (argb & 0xFF)) / 3;
retroPixel( screen, mem, x,y, luminate );
}
}
void floydPalette( struct retroScreen *screen, int colors )
{
int c;
int r,g,b;
for (c=0;c<256;c++)
{
r = (( c >> 0) & 3) * 255 / 3;
g = (( c >> 2) & 7) * 255 / 7;
b = (( c >> 5) & 3) * 255 / 3;
retroScreenColor(screen,c,r,g,b);
}
}
extern void get_most_used_colors(struct RastPort *rp, int w, int h, struct retroScreen *screen);
extern void floydChannel( double *image, int w, int h );
extern void floyd(struct RastPort *rp, int w, int h, struct retroScreen *screen);
void dmode( const char *name, uint64_t mode )
{
uint64_t n = 1;
while (n<= 0x80000000)
{
if (mode & n) printf("%08llx: %s %08llx\n",n,name, mode );
n=n<<1;
}
}