diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.c | 953 |
1 files changed, 0 insertions, 953 deletions
diff --git a/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.c b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.c deleted file mode 100644 index 9cbb4a8..0000000 --- a/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.c +++ /dev/null @@ -1,953 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* - * Xbios SDL video driver - * - * Patrice Mandin - */ - -#include <sys/stat.h> -#include <unistd.h> - -/* Mint includes */ -#include <mint/cookie.h> -#include <mint/osbind.h> -#include <mint/falcon.h> - -#include "SDL_video.h" -#include "SDL_mouse.h" -#include "../SDL_sysvideo.h" -#include "../SDL_pixels_c.h" -#include "../../events/SDL_events_c.h" - -#include "../ataricommon/SDL_ataric2p_s.h" -#include "../ataricommon/SDL_atarievents_c.h" -#include "../ataricommon/SDL_atarimxalloc_c.h" -#include "../ataricommon/SDL_atarigl_c.h" -#include "SDL_xbios.h" -#include "SDL_xbios_blowup.h" -#include "SDL_xbios_centscreen.h" -#include "SDL_xbios_sb3.h" -#include "SDL_xbios_tveille.h" - -#define XBIOS_VID_DRIVER_NAME "xbios" - -/* Debug print info */ -#if 0 -#define DEBUG_PRINT(what) \ - { \ - printf what; \ - } -#define DEBUG_VIDEO_XBIOS 1 -#else -#define DEBUG_PRINT(what) -#undef DEBUG_VIDEO_XBIOS -#endif - -/* 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); - -#if SDL_VIDEO_OPENGL -/* OpenGL functions */ -static void XBIOS_GL_SwapBuffers(_THIS); -#endif - -/* To setup palette */ - -static unsigned short TT_palette[256]; -static unsigned long F30_palette[256]; - -/* Xbios driver bootstrap functions */ - -static int XBIOS_Available(void) -{ - unsigned long cookie_vdo, cookie_mil, cookie_hade, cookie_scpn; - - /* Milan/Hades Atari clones do not have an Atari video chip */ - if ( (Getcookie(C__MIL, &cookie_mil) == C_FOUND) || - (Getcookie(C_hade, &cookie_hade) == C_FOUND) ) { - 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 ( VgetMonitor() == MONITOR_MONO) - return 0; - if (Getcookie(C_SCPN, &cookie_scpn) == C_FOUND) { - if (!SDL_XBIOS_SB3Usable((scpn_cookie_t *)cookie_scpn)) { - return 0; - } - } - break; - default: - return 0; - } - - return 1; -} - -static void XBIOS_DeleteDevice(SDL_VideoDevice *device) -{ - SDL_free(device->hidden); - SDL_free(device); -} - -static SDL_VideoDevice *XBIOS_CreateDevice(int devindex) -{ - SDL_VideoDevice *device; - - /* Initialize all variables that we clean on shutdown */ - device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); - if ( device ) { - SDL_memset(device, 0, (sizeof *device)); - device->hidden = (struct SDL_PrivateVideoData *) - SDL_malloc((sizeof *device->hidden)); - device->gl_data = (struct SDL_PrivateGLData *) - SDL_malloc((sizeof *device->gl_data)); - } - if ( (device == NULL) || (device->hidden == NULL) ) { - SDL_OutOfMemory(); - if ( device ) { - SDL_free(device); - } - return(0); - } - SDL_memset(device->hidden, 0, (sizeof *device->hidden)); - SDL_memset(device->gl_data, 0, sizeof(*device->gl_data)); - - /* 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; - -#if SDL_VIDEO_OPENGL - /* OpenGL functions */ - device->GL_LoadLibrary = SDL_AtariGL_LoadLibrary; - device->GL_GetProcAddress = SDL_AtariGL_GetProcAddress; - device->GL_GetAttribute = SDL_AtariGL_GetAttribute; - device->GL_MakeCurrent = SDL_AtariGL_MakeCurrent; - device->GL_SwapBuffers = XBIOS_GL_SwapBuffers; -#endif - - /* 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 -}; - -void SDL_XBIOS_AddMode(_THIS, Uint16 modecode, Uint16 width, Uint16 height, - Uint16 depth, SDL_bool flags) -{ - int i, curpos; - xbiosmode_t *current_mode; - - /* Check if mode already exists */ - if (XBIOS_modelist) { - current_mode = XBIOS_modelist; - for (i=0;i<XBIOS_nummodes; i++, current_mode++) { - if (current_mode->width != width) - continue; - if (current_mode->height != height) - continue; - if (current_mode->depth != depth) - continue; - return; - } - } - - ++XBIOS_nummodes; - XBIOS_modelist = (xbiosmode_t *) SDL_realloc(XBIOS_modelist, XBIOS_nummodes * sizeof(xbiosmode_t)); - - /* Keep the list sorted: bpp, width, height */ - curpos=0; - - for(i=0; i<XBIOS_nummodes-1; i++) { - if (XBIOS_modelist[i].depth <= depth) { - if (XBIOS_modelist[i].width < width) { - break; - } else if (XBIOS_modelist[i].width == width) { - if (XBIOS_modelist[i].height <= height) { - break; - } - } - } - curpos++; - } - - /* Push remaining modes further */ - for(i=XBIOS_nummodes-1; i>curpos; i--) { - SDL_memcpy(&XBIOS_modelist[i], &XBIOS_modelist[i-1], sizeof(xbiosmode_t)); - } - - XBIOS_modelist[curpos].number = modecode; - XBIOS_modelist[curpos].width = width; - XBIOS_modelist[curpos].height = height; - XBIOS_modelist[curpos].depth = depth; - XBIOS_modelist[curpos].doubleline = flags; -} - -static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat) -{ - int i,j8,j16; - xbiosmode_t *current_mode; - unsigned long cookie_blow, cookie_scpn, cookie_cnts; - - /* 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 *)SDL_malloc(256*sizeof(long)); - if ( !XBIOS_oldpalette ) { - SDL_SetError("Unable to allocate memory for old palette\n"); - return(-1); - } - - /* Initialize video mode list */ - /* and save current screen status (palette, screen address, video mode) */ - XBIOS_nummodes = 0; - XBIOS_modelist = NULL; - XBIOS_centscreen = SDL_FALSE; - - switch (XBIOS_cvdo >>16) { - case VDO_ST: - case VDO_STE: - { - short *oldpalette; - - SDL_XBIOS_AddMode(this, ST_LOW>>8,320,200,4,SDL_FALSE); - - 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: - - SDL_XBIOS_AddMode(this, TT_LOW,320,480,8,SDL_FALSE); - /* Software double-lined mode */ - SDL_XBIOS_AddMode(this, TT_LOW,320,240,8,SDL_TRUE); - - 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 (VgetMonitor()) - { - case MONITOR_MONO: - /* Not usable */ - break; - case MONITOR_RGB: - case MONITOR_TV: - SDL_XBIOS_AddMode(this, BPS16|COL80|OVERSCAN|VERTFLAG,768,480,16,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS16|COL80|OVERSCAN,768,240,16,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS16|COL80|VERTFLAG,640,400,16,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS16|COL80,640,200,16,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS16|OVERSCAN|VERTFLAG,384,480,16,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS16|OVERSCAN,384,240,16,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS16|VERTFLAG,320,400,16,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS16,320,200,16,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8|COL80|OVERSCAN|VERTFLAG,768,480,8,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8|COL80|OVERSCAN,768,240,8,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8|COL80|VERTFLAG,640,400,8,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8|COL80,640,200,8,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8|OVERSCAN|VERTFLAG,384,480,8,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8|OVERSCAN,384,240,8,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8|VERTFLAG,320,400,8,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8,320,200,8,SDL_FALSE); - break; - case MONITOR_VGA: - SDL_XBIOS_AddMode(this, BPS16,320,480,16,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS16|VERTFLAG,320,240,16,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8|COL80,640,480,8,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8|COL80|VERTFLAG,640,240,8,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8,320,480,8,SDL_FALSE); - SDL_XBIOS_AddMode(this, BPS8|VERTFLAG,320,240,8,SDL_FALSE); - 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++; - } - - /* Initialize BlowUp/SB3/Centscreen stuff if present */ - if (Getcookie(C_BLOW, &cookie_blow) == C_FOUND) { - SDL_XBIOS_BlowupInit(this, (blow_cookie_t *)cookie_blow); - } else if (Getcookie(C_SCPN, &cookie_scpn) == C_FOUND) { - SDL_XBIOS_SB3Init(this, (scpn_cookie_t *)cookie_scpn); - } else if (Getcookie(C_CNTS, &cookie_cnts) == C_FOUND) { - XBIOS_oldvmode = SDL_XBIOS_CentscreenInit(this); - XBIOS_centscreen = SDL_TRUE; - } - - break; - } - - /* Determine the current screen size */ - if ( XBIOS_nummodes > 0 ) { - /* FIXME: parse video mode list to search for current mode */ - this->info.current_w = XBIOS_modelist[0].width; - this->info.current_h = XBIOS_modelist[0].height; - } - - current_mode = XBIOS_modelist; - j8 = j16 = 0; - for (i=0; i<XBIOS_nummodes; i++, current_mode++) { - switch (current_mode->depth) { - case 4: - case 8: - SDL_modelist[0][j8] = SDL_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; - j8++; - break; - case 16: - SDL_modelist[1][j16] = SDL_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; - 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 */ - SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8; - -#if SDL_VIDEO_OPENGL - SDL_AtariGL_InitPointers(this); -#endif - - /* Disable screensavers */ - if (SDL_XBIOS_TveillePresent(this)) { - SDL_XBIOS_TveilleDisable(this); - } - - /* We're done! */ - return(0); -} - -static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) -{ - /* 8 bits -> list 0 */ - /* 16 bits -> list 1 */ - if ((format->BitsPerPixel != 8) && (format->BitsPerPixel !=16)) { - return NULL; - } - - 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); - - /* Limit bpp */ - if (bpp>16) { - bpp = 16; - } - bpp >>= 4; - - /* Search if the mode exists (width, height, bpp) */ - 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_PREALLOC; - - /* 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) { - SDL_Atari_C2pConvert = SDL_Atari_C2pConvert4; - new_depth=8; - modeflags |= SDL_SWSURFACE|SDL_HWPALETTE; - } else if (new_depth == 8) { - SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8; - modeflags |= SDL_SWSURFACE|SDL_HWPALETTE; - } 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("Can not allocate %d KB for shadow buffer", new_screen_size>>10); - return (NULL); - } - SDL_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("Can not allocate %d KB for frame buffer", new_screen_size>>10); - return (NULL); - } - SDL_memset(XBIOS_screensmem[0], 0, new_screen_size); - - XBIOS_screens[0]=(void *) (( (long) XBIOS_screensmem[0]+256) & 0xFFFFFF00UL); - -#if SDL_VIDEO_OPENGL - if (flags & SDL_OPENGL) { - if (this->gl_config.double_buffer) { - flags |= SDL_DOUBLEBUF; - } - } -#endif - - /* 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("Can not allocate %d KB for double buffer", new_screen_size>>10); - return (NULL); - } - SDL_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->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; - -#if SDL_VIDEO_OPENGL - if (flags & SDL_OPENGL) { - if (!SDL_AtariGL_Init(this, current)) { - XBIOS_FreeBuffers(this); - SDL_SetError("Can not create OpenGL context"); - return NULL; - } - - modeflags |= SDL_OPENGL; - } -#endif - - current->flags = modeflags; - - /* Now set the video mode */ -#ifndef DEBUG_VIDEO_XBIOS - Setscreen(-1,XBIOS_screens[0],-1); -#endif - - switch(XBIOS_cvdo >> 16) { - case VDO_ST: -#ifndef DEBUG_VIDEO_XBIOS - Setscreen(-1,-1,new_video_mode->number); -#endif - /* Reset palette */ - for (i=0;i<16;i++) { - TT_palette[i]= ((i>>1)<<8) | (((i*8)/17)<<4) | (i>>1); - } -#ifndef DEBUG_VIDEO_XBIOS - Setpalette(TT_palette); -#endif - break; - case VDO_STE: -#ifndef DEBUG_VIDEO_XBIOS - Setscreen(-1,-1,new_video_mode->number); -#endif - /* 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; - } -#ifndef DEBUG_VIDEO_XBIOS - Setpalette(TT_palette); -#endif - break; - case VDO_TT: -#ifndef DEBUG_VIDEO_XBIOS - EsetShift(new_video_mode->number); -#endif - break; - case VDO_F30: -#ifndef DEBUG_VIDEO_XBIOS - if (XBIOS_centscreen) { - SDL_XBIOS_CentscreenSetmode(this, width, height, new_depth); - } else { - VsetMode(new_video_mode->number); - } -#endif - /* Set hardware palette to black in True Colour */ - if (new_depth == 16) { - SDL_memset(F30_palette, 0, sizeof(F30_palette)); - VsetRGB(0,256,F30_palette); - } - 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) { - int i; - - 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 = XBIOS_screens[XBIOS_fbnum]; - destination += XBIOS_pitch * rects[i].y; - destination += x1; - - /* Convert chunky to planar screen */ - SDL_Atari_C2pConvert( - source, - destination, - x2-x1, - rects[i].h, - XBIOS_doubleline, - surface->pitch, - XBIOS_pitch - ); - } - } - -#ifndef DEBUG_VIDEO_XBIOS - Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1); -#endif - 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 */ - SDL_Atari_C2pConvert( - surface->pixels, - destscr, - surface->w, - surface->h, - XBIOS_doubleline, - surface->pitch, - XBIOS_pitch - ); - } - -#ifndef DEBUG_VIDEO_XBIOS - Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1); -#endif - 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; - } - SDL_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); - } -#ifndef DEBUG_VIDEO_XBIOS - EsetPalette(firstcolor,ncolors,TT_palette); -#endif - 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; - } -#ifndef DEBUG_VIDEO_XBIOS - VsetRGB(firstcolor,ncolors,F30_palette); -#endif - 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 */ -#ifndef DEBUG_VIDEO_XBIOS - 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); - if (XBIOS_centscreen) { - SDL_XBIOS_CentscreenRestore(this, XBIOS_oldvmode); - } else { - VsetMode(XBIOS_oldvmode); - } - if (XBIOS_oldnumcol) { - VsetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette); - } - break; - } - Vsync(); -#endif - - -#if SDL_VIDEO_OPENGL - if (gl_active) { - SDL_AtariGL_Quit(this, SDL_TRUE); - } -#endif - - if (XBIOS_oldpalette) { - SDL_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) { - SDL_free(SDL_modelist[j][i]); - SDL_modelist[j][i]=NULL; - } - } - } - - if (XBIOS_modelist) { - SDL_free(XBIOS_modelist); - XBIOS_nummodes=0; - XBIOS_modelist=NULL; - } - - this->screen->pixels = NULL; - - /* Restore screensavers */ - if (SDL_XBIOS_TveillePresent(this)) { - SDL_XBIOS_TveilleRestore(this); - } -} - -#if SDL_VIDEO_OPENGL - -static void XBIOS_GL_SwapBuffers(_THIS) -{ - SDL_AtariGL_SwapBuffers(this); - XBIOS_FlipHWSurface(this, this->screen); - SDL_AtariGL_MakeCurrent(this); -} - -#endif |