/* The SDL hooks for the Super VMW graphics library */ #include #include "svmwgraph.h" #include /* For atexit() */ /* Setup the Graphics */ /* Pass '0' to auto-detect bpp */ void *SDL_setupGraphics(int *xsize,int *ysize,int *bpp, int fullscreen,int verbose) { SDL_Surface *sdl_screen=NULL; int mode; mode=SDL_SWSURFACE|SDL_HWPALETTE|SDL_HWSURFACE; if (fullscreen) mode|=SDL_FULLSCREEN; /* Initialize the SDL library */ if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); return NULL; } /* Clean up on exit */ atexit(SDL_Quit); if (*bpp!=0) { /* Initialize the display */ sdl_screen = SDL_SetVideoMode(*xsize, *ysize, *bpp, mode); } else { sdl_screen=SDL_SetVideoMode(*xsize,*ysize,0,mode); } if ( sdl_screen == NULL ) { fprintf(stderr, "ERROR! Couldn't set %dx%d video mode: %s\n", *xsize,*ysize,SDL_GetError()); return NULL; } if (*bpp==0) *bpp=sdl_screen->format->BytesPerPixel*8; if (verbose) { printf(" + SDL Graphics Initialization successful...\n"); printf(" + Using %dx%dx%dbpp Visual...\n",*xsize,*ysize,*bpp); } return sdl_screen; } void SDL_flushPalette(vmwSVMWGraphState *state) { SDL_Surface *target; SDL_Color temp_col[256]; int i; if (state->bpp==8) { for(i=0;i<256;i++) { temp_col[i].r=(state->palette[i]>>11)<<3; temp_col[i].g=((state->palette[i]>>5)&0x3f)<<2; temp_col[i].b=(state->palette[i]&0x1f)<<3; } target=(SDL_Surface *)state->output_screen; SDL_SetColors(target,temp_col,0,256); } } void SDL_NoScale16bpp_BlitMem(vmwSVMWGraphState *target_p, vmwVisual *source) { int x,y; unsigned char *s_pointer,*t_pointer; SDL_Surface *target; target=(SDL_Surface *)target_p->output_screen; if ( SDL_MUSTLOCK(target) ) { if ( SDL_LockSurface(target) < 0 ) return; } s_pointer=source->memory; t_pointer=((Uint8 *)target->pixels); // printf("%i %i\n",source->xsize,source->ysize); for (x=0;xxsize;x++) for (y=0;yysize;y++) { *((Uint16 *)(t_pointer))=target_p->palette[*(s_pointer)]; s_pointer++; t_pointer+=2; } /* Update the display */ if ( SDL_MUSTLOCK(target) ) { SDL_UnlockSurface(target); } /* Write this out to the screen */ SDL_UpdateRect(target, 0, 0, source->xsize, source->ysize); } /* I should make this generic, but it makes it really slow */ void SDL_Double16bpp_BlitMem(vmwSVMWGraphState *target_p, vmwVisual *source) { int x,y,scale; unsigned char *s_pointer,*t_pointer; SDL_Surface *target; target=(SDL_Surface *)target_p->output_screen; scale=target_p->scale; if ( SDL_MUSTLOCK(target) ) { if ( SDL_LockSurface(target) < 0 ) return; } s_pointer=source->memory; t_pointer=((Uint8 *)target->pixels); for (y=0;yysize;y++) { for (x=0;xxsize;x++) { /* i=0, j=0 */ *((Uint16 *) ( (t_pointer)))= target_p->palette[*(s_pointer)]; /* i=1, j=0 */ *((Uint16 *) ( (t_pointer+(2*target_p->xsize) )))= target_p->palette[*(s_pointer)]; /* i=0, j=1 */ *((Uint16 *) ( (t_pointer+2) ))= target_p->palette[*(s_pointer)]; /* i=1 j=1 */ *((Uint16 *) ( (t_pointer+2+(2*target_p->xsize) )))= target_p->palette[*(s_pointer)]; s_pointer++; t_pointer+=4; } t_pointer+=2*target_p->xsize; } /* Update the display */ if ( SDL_MUSTLOCK(target) ) { SDL_UnlockSurface(target); } /* Write this out to the screen */ SDL_UpdateRect(target, 0, 0, target_p->xsize, target_p->ysize); } void SDL_NoScale8bpp_BlitMem(vmwSVMWGraphState *target_p, vmwVisual *source) { int x,y; unsigned char *s_pointer,*t_pointer; SDL_Surface *target; target=(SDL_Surface *)target_p->output_screen; if ( SDL_MUSTLOCK(target) ) { if ( SDL_LockSurface(target) < 0 ) return; } s_pointer=source->memory; t_pointer=((Uint8 *)target->pixels); for (x=0;xxsize;x++) for (y=0;yysize;y++) { *((Uint8 *)(t_pointer))=*(s_pointer); s_pointer++; t_pointer++; } /* Update the display */ if ( SDL_MUSTLOCK(target) ) { SDL_UnlockSurface(target); } /* Write this out to the screen */ SDL_UpdateRect(target, 0, 0, source->xsize, source->ysize); } void SDL_clearKeyboardBuffer() { SDL_Event event; while (SDL_PollEvent(&event)) { } } int SDL_getInput() { SDL_Event event; int keypressed; while ( SDL_PollEvent(&event)) { switch(event.type) { case SDL_KEYDOWN: keypressed=event.key.keysym.sym; switch (keypressed) { case SDLK_BACKSPACE: return VMW_BACKSPACE; case SDLK_ESCAPE : return VMW_ESCAPE; case SDLK_RETURN : return VMW_ENTER; case SDLK_UP : return VMW_UP; case SDLK_DOWN : return VMW_DOWN; case SDLK_RIGHT : return VMW_RIGHT; case SDLK_LEFT : return VMW_LEFT; case SDLK_F1 : return VMW_F1; case SDLK_F2 : return VMW_F2; case SDLK_PAGEUP : return VMW_PGUP; case SDLK_PAGEDOWN : return VMW_PGDN; default: if ((keypressed>='a') && (keypressed<='z') && (event.key.keysym.mod & KMOD_SHIFT) ) return keypressed-32; else return keypressed; } default: break; } } return 0; } void SDL_closeGraphics() { }