2000-09-16 23:23:00 +00:00
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/* The SDL hooks for the Super VMW graphics library */
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2000-09-16 04:49:00 +00:00
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2000-09-16 23:23:00 +00:00
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#include <SDL.h>
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#include "svmwgraph.h"
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#include <stdlib.h> /* For atexit() */
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/* Setup the Graphics */
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2000-09-18 03:50:00 +00:00
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void *SDL_setupGraphics(int xsize,int ysize,int bpp,int scale,
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int fullscreen,int verbose)
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2000-09-16 23:23:00 +00:00
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{
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SDL_Surface *sdl_screen;
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2000-09-18 03:50:00 +00:00
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int mode;
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mode=SDL_SWSURFACE;
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if (fullscreen) mode|=SDL_FULLSCREEN;
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2000-09-16 23:23:00 +00:00
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/* Initialize the SDL library */
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if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
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fprintf(stderr,
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"Couldn't initialize SDL: %s\n", SDL_GetError());
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return NULL;
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}
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/* Clean up on exit */
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atexit(SDL_Quit);
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/* Initialize the display */
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2000-09-18 03:50:00 +00:00
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sdl_screen = SDL_SetVideoMode(xsize, ysize, 16, mode);
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2000-09-16 23:23:00 +00:00
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if ( sdl_screen == NULL ) {
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fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n",
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2000-09-18 03:50:00 +00:00
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xsize*scale,ysize*scale,bpp,SDL_GetError());
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2000-09-16 23:23:00 +00:00
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exit(1);
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}
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if (verbose) {
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printf(" + SDL Graphics Initialization successful...\n");
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printf(" + Using %dx%dx%dbpp Visual...\n",xsize,ysize,bpp);
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}
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return sdl_screen;
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}
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2000-09-16 04:49:00 +00:00
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2000-09-16 23:23:00 +00:00
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void SDL_NoScale16bpp_BlitMem(vmwSVMWGraphState *target_p, vmwVisual *source) {
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2000-09-16 04:49:00 +00:00
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int x,y,Bpp;
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unsigned char *s_pointer,*t_pointer;
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2000-09-16 23:23:00 +00:00
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SDL_Surface *target;
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target=(SDL_Surface *)target_p->output_screen;
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2000-09-16 04:49:00 +00:00
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if ( SDL_MUSTLOCK(target) ) {
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if ( SDL_LockSurface(target) < 0 )
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return;
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}
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2000-09-16 23:23:00 +00:00
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Bpp=target->format->BytesPerPixel;
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2000-09-16 04:49:00 +00:00
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2000-09-16 23:23:00 +00:00
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s_pointer=source->memory;
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2000-09-16 04:49:00 +00:00
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t_pointer=((Uint8 *)target->pixels);
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2000-09-16 23:23:00 +00:00
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// printf("%i %i\n",source->xsize,source->ysize);
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2000-09-16 04:49:00 +00:00
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2000-09-16 23:23:00 +00:00
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for (x=0;x<source->xsize;x++)
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for (y=0;y<source->ysize;y++) {
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*((Uint16 *)(t_pointer))=source->palette[*(s_pointer)];
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s_pointer++; t_pointer+=2;
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2000-09-16 04:49:00 +00:00
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}
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/* Update the display */
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if ( SDL_MUSTLOCK(target) ) {
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SDL_UnlockSurface(target);
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}
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/* Write this out to the screen */
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2000-09-16 23:23:00 +00:00
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SDL_UpdateRect(target, 0, 0, source->xsize, source->ysize);
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2000-09-16 04:49:00 +00:00
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2000-09-18 03:50:00 +00:00
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}
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/* I should make this generic, but it makes it really slow */
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void SDL_Double16bpp_BlitMem(vmwSVMWGraphState *target_p, vmwVisual *source) {
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int x,y,Bpp,scale;
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unsigned char *s_pointer,*t_pointer;
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SDL_Surface *target;
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target=(SDL_Surface *)target_p->output_screen;
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scale=target_p->scale;
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if ( SDL_MUSTLOCK(target) ) {
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if ( SDL_LockSurface(target) < 0 )
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return;
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}
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Bpp=target->format->BytesPerPixel;
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s_pointer=source->memory;
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t_pointer=((Uint8 *)target->pixels);
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for (y=0;y<source->ysize;y++) {
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for (x=0;x<source->xsize;x++) {
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/* i=0, j=0 */
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*((Uint16 *) ( (t_pointer)))=
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source->palette[*(s_pointer)];
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/* i=1, j=0 */
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*((Uint16 *) ( (t_pointer+(2*target_p->xsize) )))=
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source->palette[*(s_pointer)];
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/* i=0, j=1 */
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*((Uint16 *) ( (t_pointer+2) ))=
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source->palette[*(s_pointer)];
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/* i=1 j=1 */
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*((Uint16 *) ( (t_pointer+2+(2*target_p->xsize) )))=
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source->palette[*(s_pointer)];
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s_pointer++; t_pointer+=4;
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}
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t_pointer+=2*target_p->xsize;
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}
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/* Update the display */
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if ( SDL_MUSTLOCK(target) ) {
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SDL_UnlockSurface(target);
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}
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/* Write this out to the screen */
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SDL_UpdateRect(target, 0, 0, target_p->xsize, target_p->ysize);
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2000-09-16 04:49:00 +00:00
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}
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2000-09-16 23:23:00 +00:00
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void SDL_clearKeyboardBuffer() {
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2000-09-16 04:49:00 +00:00
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SDL_Event event;
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while (SDL_PollEvent(&event)) {
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}
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}
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2000-09-16 23:23:00 +00:00
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int SDL_getInput() {
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2000-09-16 04:49:00 +00:00
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SDL_Event event;
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int keypressed;
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while ( SDL_PollEvent(&event)) {
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switch(event.type) {
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case SDL_KEYDOWN:
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keypressed=event.key.keysym.sym;
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switch (keypressed) {
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2000-09-16 23:23:00 +00:00
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case SDLK_BACKSPACE: return VMW_BACKSPACE;
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case SDLK_ESCAPE : return VMW_ESCAPE;
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case SDLK_RETURN : return VMW_ENTER;
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case SDLK_UP : return VMW_UP;
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case SDLK_DOWN : return VMW_DOWN;
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case SDLK_RIGHT : return VMW_RIGHT;
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case SDLK_LEFT : return VMW_LEFT;
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case SDLK_F1 : return VMW_F1;
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case SDLK_F2 : return VMW_F2;
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case SDLK_PAGEUP : return VMW_PGUP;
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case SDLK_PAGEDOWN : return VMW_PGDN;
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2000-09-17 05:47:00 +00:00
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default: if ((keypressed>='a') && (keypressed<='z')
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&& (event.key.keysym.mod & KMOD_SHIFT) )
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return keypressed-32;
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else return keypressed;
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2000-09-16 04:49:00 +00:00
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}
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default: break;
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}
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}
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return 0;
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}
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