SDL_xbios.c
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:20k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Sam Lantinga
- slouken@libsdl.org
- */
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_xbios.c,v 1.1 2002/04/22 21:38:06 wmay Exp $";
- #endif
- /*
- * Xbios SDL video driver
- *
- * Patrice Mandin
- */
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <sys/stat.h>
- #include <unistd.h>
- /* Mint includes */
- #include <sys/cookie.h>
- #include <mint/osbind.h>
- #include <mint/falcon.h>
- #include "SDL.h"
- #include "SDL_error.h"
- #include "SDL_video.h"
- #include "SDL_mouse.h"
- #include "SDL_sysvideo.h"
- #include "SDL_pixels_c.h"
- #include "SDL_events_c.h"
- #include "SDL_ataric2p_s.h"
- #include "SDL_ataric2p060_c.h"
- #include "SDL_atarievents_c.h"
- #include "SDL_atarimxalloc_c.h"
- #include "SDL_xbios.h"
- #define XBIOS_VID_DRIVER_NAME "xbios"
- /* Initialization/Query functions */
- static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat);
- static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
- static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
- static int XBIOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
- static void XBIOS_VideoQuit(_THIS);
- /* Hardware surface functions */
- static int XBIOS_AllocHWSurface(_THIS, SDL_Surface *surface);
- static int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface);
- static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface);
- static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface);
- static void XBIOS_FreeHWSurface(_THIS, SDL_Surface *surface);
- static void XBIOS_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
- /* List of video modes */
- /* ST modes */
- static int xbiosnummodes_st=1;
- static xbiosmode_t xbiosmodelist_st[]={
- {ST_LOW>>8,320,200,4,SDL_FALSE}
- };
- /* TT modes */
- static int xbiosnummodes_tt=2;
- static xbiosmode_t xbiosmodelist_tt[]={
- {TT_LOW,320,480,8,SDL_FALSE},
- {TT_LOW,320,240,8,SDL_TRUE} /* Software double-lined mode */
- };
- /* Falcon RVB modes */
- static int xbiosnummodes_f30rvb=16;
- static xbiosmode_t xbiosmodelist_f30rvb[]={
- {BPS16|COL80|OVERSCAN|VERTFLAG,768,480,16,SDL_FALSE},
- {BPS16|COL80|OVERSCAN,768,240,16,SDL_FALSE},
- {BPS16|COL80|VERTFLAG,640,400,16,SDL_FALSE},
- {BPS16|COL80,640,200,16,SDL_FALSE},
- {BPS16|OVERSCAN|VERTFLAG,384,480,16,SDL_FALSE},
- {BPS16|OVERSCAN,384,240,16,SDL_FALSE},
- {BPS16|VERTFLAG,320,400,16,SDL_FALSE},
- {BPS16,320,200,16,SDL_FALSE},
- {BPS8|COL80|OVERSCAN|VERTFLAG,768,480,8,SDL_FALSE},
- {BPS8|COL80|OVERSCAN,768,240,8,SDL_FALSE},
- {BPS8|COL80|VERTFLAG,640,400,8,SDL_FALSE},
- {BPS8|COL80,640,200,8,SDL_FALSE},
- {BPS8|OVERSCAN|VERTFLAG,384,480,8,SDL_FALSE},
- {BPS8|OVERSCAN,384,240,8,SDL_FALSE},
- {BPS8|VERTFLAG,320,400,8,SDL_FALSE},
- {BPS8,320,200,8,SDL_FALSE}
- };
- /* Falcon VGA modes */
- static int xbiosnummodes_f30vga=6;
- static xbiosmode_t xbiosmodelist_f30vga[]={
- {BPS16,320,480,16,SDL_FALSE},
- {BPS16|VERTFLAG,320,240,16,SDL_FALSE},
- {BPS8|COL80,640,480,8,SDL_FALSE},
- {BPS8|COL80|VERTFLAG,640,240,8,SDL_FALSE},
- {BPS8,320,480,8,SDL_FALSE},
- {BPS8|VERTFLAG,320,240,8,SDL_FALSE}
- };
- /* To setup palette */
- static unsigned short TT_palette[256];
- static unsigned long F30_palette[256];
- /* Xbios driver bootstrap functions */
- static int XBIOS_Available(void)
- {
- const char *envr = getenv("SDL_VIDEODRIVER");
- unsigned long cookie_vdo;
- /* Check if user asked a different video driver */
- if ((envr) && (strcmp(envr, XBIOS_VID_DRIVER_NAME)!=0)) {
- return 0;
- }
- /* Cookie _VDO present ? if not, assume ST machine */
- if (Getcookie(C__VDO, &cookie_vdo) != C_FOUND) {
- cookie_vdo = VDO_ST << 16;
- }
- /* Test if we have a monochrome monitor plugged in */
- switch( cookie_vdo >>16) {
- case VDO_ST:
- case VDO_STE:
- if ( Getrez() == (ST_HIGH>>8) )
- return 0;
- break;
- case VDO_TT:
- if ( (EgetShift() & ES_MODE) == TT_HIGH)
- return 0;
- break;
- case VDO_F30:
- if ( Montype() == MONITOR_MONO)
- return 0;
- break;
- default:
- return 0;
- }
- return 1;
- }
- static void XBIOS_DeleteDevice(SDL_VideoDevice *device)
- {
- free(device->hidden);
- free(device);
- }
- static SDL_VideoDevice *XBIOS_CreateDevice(int devindex)
- {
- SDL_VideoDevice *device;
- /* Initialize all variables that we clean on shutdown */
- device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
- if ( device ) {
- memset(device, 0, (sizeof *device));
- device->hidden = (struct SDL_PrivateVideoData *)
- malloc((sizeof *device->hidden));
- }
- if ( (device == NULL) || (device->hidden == NULL) ) {
- SDL_OutOfMemory();
- if ( device ) {
- free(device);
- }
- return(0);
- }
- memset(device->hidden, 0, (sizeof *device->hidden));
- atari_test_cpu060_present();
- /* Video functions */
- device->VideoInit = XBIOS_VideoInit;
- device->ListModes = XBIOS_ListModes;
- device->SetVideoMode = XBIOS_SetVideoMode;
- device->SetColors = XBIOS_SetColors;
- device->UpdateRects = NULL;
- device->VideoQuit = XBIOS_VideoQuit;
- device->AllocHWSurface = XBIOS_AllocHWSurface;
- device->LockHWSurface = XBIOS_LockHWSurface;
- device->UnlockHWSurface = XBIOS_UnlockHWSurface;
- device->FlipHWSurface = XBIOS_FlipHWSurface;
- device->FreeHWSurface = XBIOS_FreeHWSurface;
- /* Events */
- device->InitOSKeymap = Atari_InitOSKeymap;
- device->PumpEvents = Atari_PumpEvents;
- device->free = XBIOS_DeleteDevice;
- return device;
- }
- VideoBootStrap XBIOS_bootstrap = {
- XBIOS_VID_DRIVER_NAME, "Atari Xbios driver",
- XBIOS_Available, XBIOS_CreateDevice
- };
- static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat)
- {
- int i,j8,j16;
- xbiosmode_t *current_mode;
- /* Initialize all variables that we clean on shutdown */
- memset (SDL_modelist, 0, sizeof(SDL_modelist));
- /* Cookie _VDO present ? if not, assume ST machine */
- if (Getcookie(C__VDO, &XBIOS_cvdo) != C_FOUND) {
- XBIOS_cvdo = VDO_ST << 16;
- }
- /* Allocate memory for old palette */
- XBIOS_oldpalette = (void *)malloc(256*sizeof(long));
- if ( !XBIOS_oldpalette ) {
- SDL_SetError("Unable to allocate memory for old paletten");
- return(-1);
- }
- /* Initialize video mode list */
- /* and save current screen status (palette, screen address, video mode) */
- switch (XBIOS_cvdo >>16) {
- case VDO_ST:
- case VDO_STE:
- {
- short *oldpalette;
- XBIOS_nummodes=xbiosnummodes_st;
- XBIOS_modelist=xbiosmodelist_st;
- XBIOS_oldvbase=Physbase();
- XBIOS_oldvmode=Getrez();
- switch(XBIOS_oldvmode << 8) {
- case ST_LOW:
- XBIOS_oldnumcol=16;
- break;
- case ST_MED:
- XBIOS_oldnumcol=4;
- break;
- case ST_HIGH:
- XBIOS_oldnumcol=2;
- break;
- default:
- XBIOS_oldnumcol=0;
- break;
- }
- oldpalette= (short *) XBIOS_oldpalette;
- for (i=0;i<XBIOS_oldnumcol;i++) {
- *oldpalette++=Setcolor(i,-1);
- }
- vformat->BitsPerPixel = 8;
- }
- break;
- case VDO_TT:
- XBIOS_nummodes=xbiosnummodes_tt;
- XBIOS_modelist=xbiosmodelist_tt;
- XBIOS_oldvbase=Logbase();
- XBIOS_oldvmode=EgetShift();
- switch(XBIOS_oldvmode & ES_MODE) {
- case TT_LOW:
- XBIOS_oldnumcol=256;
- break;
- case ST_LOW:
- case TT_MED:
- XBIOS_oldnumcol=16;
- break;
- case ST_MED:
- XBIOS_oldnumcol=4;
- break;
- case ST_HIGH:
- case TT_HIGH:
- XBIOS_oldnumcol=2;
- break;
- default:
- XBIOS_oldnumcol=0;
- break;
- }
- if (XBIOS_oldnumcol) {
- EgetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette);
- }
- vformat->BitsPerPixel = 8;
- break;
- case VDO_F30:
- switch (Montype())
- {
- case MONITOR_MONO:
- /* Not usable */
- break;
- case MONITOR_RGB:
- case MONITOR_TV:
- XBIOS_nummodes = xbiosnummodes_f30rvb;
- XBIOS_modelist = xbiosmodelist_f30rvb;
- break;
- case MONITOR_VGA:
- XBIOS_nummodes = xbiosnummodes_f30vga;
- XBIOS_modelist = xbiosmodelist_f30vga;
- break;
- }
- XBIOS_oldvbase=Logbase();
- XBIOS_oldvmode=Vsetmode(-1);
- XBIOS_oldnumcol= 1<< (1 << (XBIOS_oldvmode & NUMCOLS));
- if (XBIOS_oldnumcol > 256) {
- XBIOS_oldnumcol = 0;
- }
- if (XBIOS_oldnumcol) {
- VgetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette);
- }
- vformat->BitsPerPixel = 16;
- /* Keep vga/rvb, and pal/ntsc bits */
- current_mode = XBIOS_modelist;
- for (i=0;i<XBIOS_nummodes;i++) {
- Uint16 newvmode;
- newvmode = current_mode->number;
- newvmode &= ~(VGA|PAL);
- newvmode |= XBIOS_oldvmode & (VGA|PAL);
- current_mode->number = newvmode;
- current_mode++;
- }
- break;
- }
- current_mode = XBIOS_modelist;
- j8 = j16 = 0;
- for (i=0;i<XBIOS_nummodes;i++) {
- switch (current_mode->depth) {
- case 4:
- case 8:
- SDL_modelist[0][j8] = malloc(sizeof(SDL_Rect));
- SDL_modelist[0][j8]->x = SDL_modelist[0][j8]->y = 0;
- SDL_modelist[0][j8]->w = current_mode->width;
- SDL_modelist[0][j8]->h = current_mode->height;
- XBIOS_videomodes[0][j8]=current_mode;
- current_mode++;
- j8++;
- break;
- case 16:
- SDL_modelist[1][j16] = malloc(sizeof(SDL_Rect));
- SDL_modelist[1][j16]->x = SDL_modelist[1][j16]->y = 0;
- SDL_modelist[1][j16]->w = current_mode->width;
- SDL_modelist[1][j16]->h = current_mode->height;
- XBIOS_videomodes[1][j16]=current_mode;
- current_mode++;
- j16++;
- break;
- }
- }
- SDL_modelist[0][j8] = NULL;
- SDL_modelist[1][j16] = NULL;
- XBIOS_screens[0]=NULL;
- XBIOS_screens[1]=NULL;
- XBIOS_shadowscreen=NULL;
- /* Update hardware info */
- this->info.hw_available = 1;
- this->info.video_mem = (Uint32) Atari_SysMalloc(-1L, MX_STRAM);
- /* Init chunky to planar routine */
- Atari_C2pInit = Atari_C2pInit8;
- if (atari_cpu060_avail) {
- Atari_C2pConvert = Atari_C2pConvert8_060;
- } else {
- Atari_C2pConvert = Atari_C2pConvert8;
- }
- Atari_C2pInit();
- /* We're done! */
- return(0);
- }
- static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
- {
- /* 8 bits -> list 0 */
- /* 16 bits -> list 1 */
- return(SDL_modelist[(format->BitsPerPixel)>>4]);
- }
- static void XBIOS_FreeBuffers(_THIS)
- {
- int i;
- for (i=0;i<2;i++) {
- if (XBIOS_screensmem[i]!=NULL) {
- Mfree(XBIOS_screensmem[i]);
- XBIOS_screensmem[i]=NULL;
- }
- }
- if (XBIOS_shadowscreen!=NULL) {
- Mfree(XBIOS_shadowscreen);
- XBIOS_shadowscreen=NULL;
- }
- }
- static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current,
- int width, int height, int bpp, Uint32 flags)
- {
- int mode, new_depth;
- int i;
- xbiosmode_t *new_video_mode;
- Uint32 new_screen_size;
- Uint32 modeflags;
- /* Free current buffers */
- XBIOS_FreeBuffers(this);
- /* Search if the mode exists (width, height, bpp) */
- bpp >>= 4;
- for ( mode=0; SDL_modelist[bpp][mode]; ++mode ) {
- if ( (SDL_modelist[bpp][mode]->w == width) &&
- (SDL_modelist[bpp][mode]->h == height) ) {
- break;
- }
- }
- if ( SDL_modelist[bpp][mode] == NULL ) {
- SDL_SetError("Couldn't find requested mode in list");
- return(NULL);
- }
- modeflags = (SDL_FULLSCREEN|SDL_HWPALETTE);
- /* Allocate needed buffers: simple/double buffer and shadow surface */
- new_video_mode = XBIOS_videomodes[bpp][mode];
- new_depth = new_video_mode->depth;
- if (new_depth == 4) {
- Atari_C2pInit = Atari_C2pInit4;
- if (atari_cpu060_avail) {
- Atari_C2pConvert = Atari_C2pConvert4_060;
- } else {
- Atari_C2pConvert = Atari_C2pConvert4;
- }
- new_depth=8;
- modeflags |= SDL_SWSURFACE;
- } else if (new_depth == 8) {
- Atari_C2pInit = Atari_C2pInit8;
- if (atari_cpu060_avail) {
- Atari_C2pConvert = Atari_C2pConvert8_060;
- } else {
- Atari_C2pConvert = Atari_C2pConvert8;
- }
- modeflags |= SDL_SWSURFACE;
- } else {
- modeflags |= SDL_HWSURFACE;
- }
- new_screen_size = width * height * ((new_depth)>>3);
- new_screen_size += 256; /* To align on a 256 byte adress */
- if (new_depth == 8) {
- XBIOS_shadowscreen = Atari_SysMalloc(new_screen_size, MX_PREFTTRAM);
- if (XBIOS_shadowscreen == NULL) {
- SDL_SetError("XBIOS_SetVideoMode: Not enough memory for shadow surface");
- return (NULL);
- }
- memset(XBIOS_shadowscreen, 0, new_screen_size);
- }
- /* Output buffer needs to be twice in size for the software double-line mode */
- XBIOS_doubleline = SDL_FALSE;
- if (new_video_mode->doubleline) {
- new_screen_size <<= 1;
- XBIOS_doubleline = SDL_TRUE;
- }
- XBIOS_screensmem[0] = Atari_SysMalloc(new_screen_size, MX_STRAM);
- if (XBIOS_screensmem[0]==NULL) {
- XBIOS_FreeBuffers(this);
- SDL_SetError("XBIOS_SetVideoMode: Not enough memory for video buffer");
- return (NULL);
- }
- memset(XBIOS_screensmem[0], 0, new_screen_size);
- XBIOS_screens[0]=(void *) (( (long) XBIOS_screensmem[0]+256) & 0xFFFFFF00UL);
- /* Double buffer ? */
- if (flags & SDL_DOUBLEBUF) {
- XBIOS_screensmem[1] = Atari_SysMalloc(new_screen_size, MX_STRAM);
- if (XBIOS_screensmem[1]==NULL) {
- XBIOS_FreeBuffers(this);
- SDL_SetError("XBIOS_SetVideoMode: Not enough memory for double buffer");
- return (NULL);
- }
- memset(XBIOS_screensmem[1], 0, new_screen_size);
- XBIOS_screens[1]=(void *) (( (long) XBIOS_screensmem[1]+256) & 0xFFFFFF00UL);
- modeflags |= SDL_DOUBLEBUF;
- }
- /* Allocate the new pixel format for the screen */
- if ( ! SDL_ReallocFormat(current, new_depth, 0, 0, 0, 0) ) {
- XBIOS_FreeBuffers(this);
- SDL_SetError("Couldn't allocate new pixel format for requested mode");
- return(NULL);
- }
- current->flags = modeflags;
- current->w = XBIOS_width = width;
- current->h = XBIOS_height = height;
- current->pitch = (width * new_depth)>>3;
- /* this is for C2P conversion */
- XBIOS_pitch = (new_video_mode->width * new_video_mode->depth)>>3;
- if (new_depth == 8)
- current->pixels = XBIOS_shadowscreen;
- else
- current->pixels = XBIOS_screens[0];
- XBIOS_fbnum = 0;
- /* Now set the video mode */
- Setscreen(-1,XBIOS_screens[0],-1);
- switch(XBIOS_cvdo >> 16) {
- case VDO_ST:
- Setscreen(-1,-1,new_video_mode->number);
- /* Reset palette */
- for (i=0;i<16;i++) {
- int c;
- c = ((i>>1)<<8) | ((i>>1)<<4) | (i>>1);
- if ((i & 1) && (i<15))
- c += (1<<4);
- if (i==14)
- c -= 1<<8;
- TT_palette[i]= c;
- }
- Setpalette(TT_palette);
- break;
- case VDO_STE:
- Setscreen(-1,-1,new_video_mode->number);
- /* Reset palette */
- for (i=0;i<16;i++)
- {
- int c;
- c=((i&1)<<3)|((i>>1)&7);
- TT_palette[i]=(c<<8)|(c<<4)|c;
- }
- Setpalette(TT_palette);
- break;
- case VDO_TT:
- EsetShift(new_video_mode->number);
- break;
- case VDO_F30:
- Vsetmode(new_video_mode->number);
- break;
- }
- Vsync();
- this->UpdateRects = XBIOS_UpdateRects;
- return (current);
- }
- /* We don't actually allow hardware surfaces other than the main one */
- static int XBIOS_AllocHWSurface(_THIS, SDL_Surface *surface)
- {
- return(-1);
- }
- static void XBIOS_FreeHWSurface(_THIS, SDL_Surface *surface)
- {
- return;
- }
- static int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface)
- {
- return(0);
- }
- static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface)
- {
- return;
- }
- static void XBIOS_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
- {
- SDL_Surface *surface;
- surface = this->screen;
- if ((surface->format->BitsPerPixel) == 8) {
- void *destscr;
- int destx;
- int i;
- /* Center on destination screen */
- destscr = XBIOS_screens[XBIOS_fbnum];
- destscr += XBIOS_pitch * ((XBIOS_height - surface->h) >> 1);
- destx = (XBIOS_width - surface->w) >> 1;
- destx &= ~15;
- destscr += destx;
- for (i=0;i<numrects;i++) {
- void *source,*destination;
- int x1,x2;
- x1 = rects[i].x & ~15;
- x2 = rects[i].x+rects[i].w;
- if (x2 & 15) {
- x2 = (x2 | 15) +1;
- }
- source = surface->pixels;
- source += surface->pitch * rects[i].y;
- source += x1;
- destination = destscr;
- destination += XBIOS_pitch * rects[i].y;
- destination += x1;
- /* Convert chunky to planar screen */
- Atari_C2pConvert(
- source,
- destination,
- x2-x1,
- rects[i].h,
- XBIOS_doubleline,
- surface->pitch,
- XBIOS_pitch
- );
- }
- }
- Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1);
- Vsync();
- if ((surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) {
- XBIOS_fbnum ^= 1;
- if ((surface->format->BitsPerPixel) > 8) {
- surface->pixels=XBIOS_screens[XBIOS_fbnum];
- }
- }
- }
- static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface)
- {
- if ((surface->format->BitsPerPixel) == 8) {
- void *destscr;
- int destx;
- /* Center on destination screen */
- destscr = XBIOS_screens[XBIOS_fbnum];
- destscr += XBIOS_pitch * ((XBIOS_height - surface->h) >> 1);
- destx = (XBIOS_width - surface->w) >> 1;
- destx &= ~15;
- destscr += destx;
- /* Convert chunky to planar screen */
- Atari_C2pConvert(
- surface->pixels,
- destscr,
- surface->w,
- surface->h,
- XBIOS_doubleline,
- surface->pitch,
- XBIOS_pitch
- );
- }
- Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1);
- Vsync();
- if ((surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) {
- XBIOS_fbnum ^= 1;
- if ((surface->format->BitsPerPixel) > 8) {
- surface->pixels=XBIOS_screens[XBIOS_fbnum];
- }
- }
- return(0);
- }
- static int XBIOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
- {
- int i;
- int r,v,b;
- switch( XBIOS_cvdo >> 16) {
- case VDO_ST:
- case VDO_STE:
- for (i=0;i<ncolors;i++)
- {
- r = colors[i].r;
- v = colors[i].g;
- b = colors[i].b;
- TT_palette[firstcolor+i]=((r*30)+(v*59)+(b*11))/100;
- }
- Atari_C2pConvert4_pal(TT_palette); /* convert the lighting */
- break;
- case VDO_TT:
- for(i = 0; i < ncolors; i++)
- {
- r = colors[i].r;
- v = colors[i].g;
- b = colors[i].b;
- TT_palette[i]=((r>>4)<<8)|((v>>4)<<4)|(b>>4);
- }
- EsetPalette(firstcolor,ncolors,TT_palette);
- break;
- case VDO_F30:
- for(i = 0; i < ncolors; i++)
- {
- r = colors[i].r;
- v = colors[i].g;
- b = colors[i].b;
- F30_palette[i]=(r<<16)|(v<<8)|b;
- }
- VsetRGB(firstcolor,ncolors,F30_palette);
- break;
- }
- return(1);
- }
- /* Note: If we are terminated, this could be called in the middle of
- another SDL video routine -- notably UpdateRects.
- */
- static void XBIOS_VideoQuit(_THIS)
- {
- int i,j;
- Atari_ShutdownEvents();
- /* Restore video mode and palette */
- switch(XBIOS_cvdo >> 16) {
- case VDO_ST:
- case VDO_STE:
- Setscreen(-1,XBIOS_oldvbase,XBIOS_oldvmode);
- if (XBIOS_oldnumcol) {
- Setpalette(XBIOS_oldpalette);
- }
- break;
- case VDO_TT:
- Setscreen(-1,XBIOS_oldvbase,-1);
- EsetShift(XBIOS_oldvmode);
- if (XBIOS_oldnumcol) {
- EsetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette);
- }
- break;
- case VDO_F30:
- Setscreen(-1, XBIOS_oldvbase, -1);
- Vsetmode(XBIOS_oldvmode);
- if (XBIOS_oldnumcol) {
- VsetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette);
- }
- break;
- }
- Vsync();
- if (XBIOS_oldpalette) {
- free(XBIOS_oldpalette);
- XBIOS_oldpalette=NULL;
- }
- XBIOS_FreeBuffers(this);
- /* Free mode list */
- for (j=0;j<NUM_MODELISTS;j++) {
- for (i=0;i<SDL_NUMMODES;i++) {
- if (SDL_modelist[j][i]!=NULL) {
- free(SDL_modelist[j][i]);
- SDL_modelist[j][i]=NULL;
- }
- }
- }
- this->screen->pixels = NULL;
- }