/*
** SWimp_SetPalette
**
** System specific palette setting routine. A NULL palette means
** to use the existing palette. The palette is expected to be in
** a padded 4-byte xRGB format.
*/
void SWimp_SetPalette( const unsigned char *palette )
{
// MGL - what the f**k was kendall doing here?!
// clear screen to black and change palette
// for (i=0 ; i<vid.height ; i++)
// memset (vid.buffer + i*vid.rowbytes, 0, vid.width);
if ( !palette )
palette = ( const unsigned char * ) sw_state.currentpalette;
if ( !sw_state.fullscreen )
{
DIB_SetPalette( ( const unsigned char * ) palette );
}
else
{
DDRAW_SetPalette( ( const unsigned char * ) palette );
}
}
void DDraw_Init (void)
{
int i;
if (DirectDrawCreate (NULL, &lpDirectDraw, NULL) != DD_OK)
Sys_Error ("DirectDrawCreate failed");
if (lpDirectDraw->lpVtbl->SetCooperativeLevel (lpDirectDraw, mainwindow,
DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN ) != DD_OK )
{
Sys_Error ("SetCooperativeLevel failed");
}
if (lpDirectDraw->lpVtbl->SetDisplayMode (lpDirectDraw, vid.width, vid.height, 8) != DD_OK )
{
Sys_Error ("SetDisplayMode failed");
}
memset( &ddsd, 0, sizeof( ddsd ) );
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;
ddsd.dwBackBufferCount = 1;
Com_Printf ("...creating front buffer: ");
if ( ( ddrval = lpDirectDraw->lpVtbl->CreateSurface( lpDirectDraw, &ddsd, &lpddsFrontBuffer, NULL ) ) != DD_OK )
{
//Com_Printf ("failed - %s\n", DDrawError( ddrval ) );
Sys_Error ("");
}
Com_Printf ( "ok\n" );
/*
** create our back buffer
*/
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
Com_Printf ("...creating back buffer: " );
if ( ( ddrval = lpddsFrontBuffer->lpVtbl->GetAttachedSurface( lpddsFrontBuffer, &ddsd.ddsCaps, &lpddsBackBuffer ) ) != DD_OK )
{
//Com_Printf( "failed - %s\n", DDrawError( ddrval ) );
//goto fail;
Sys_Error ("GetAttachedSurface failed");
}
Com_Printf( "ok\n" );
/*
** create our rendering buffer
*/
memset( &ddsd, 0, sizeof( ddsd ) );
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS;
ddsd.dwHeight = vid.height;
ddsd.dwWidth = vid.width;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
Com_Printf( "...creating offscreen buffer: " );
if ( ( ddrval = lpDirectDraw->lpVtbl->CreateSurface( lpDirectDraw, &ddsd, &lpddsOffScreenBuffer, NULL ) ) != DD_OK )
{
//Com_Printf( "failed - %s\n", DDrawError( ddrval ) );
goto fail;
}
Com_Printf( "ok\n" );
/*
** create our DIRECTDRAWPALETTE
*/
Com_Printf ( "...creating palette: " );
if ( ( ddrval = lpDirectDraw->lpVtbl->CreatePalette( lpDirectDraw,
DDPCAPS_8BIT | DDPCAPS_ALLOW256,
palentries,
&lpddpPalette,
NULL ) ) != DD_OK )
{
//Com_Printf( "failed - %s\n", DDrawError( ddrval ) );
goto fail;
}
Com_Printf( "ok\n" );
Com_Printf( "...setting palette: " );
if ( ( ddrval = lpddsFrontBuffer->lpVtbl->SetPalette( lpddsFrontBuffer,
lpddpPalette ) ) != DD_OK )
{
//Com_Printf ("failed - %s\n", DDrawError(ddrval));
goto fail;
}
Com_Printf( "ok\n" );
DDRAW_SetPalette( ( const unsigned char * ) currentpalette );
/*
** lock the back buffer
*/
memset( &ddsd, 0, sizeof( ddsd ) );
ddsd.dwSize = sizeof( ddsd );
Com_Printf ( "...locking backbuffer: " );
if ( ( ddrval = lpddsOffScreenBuffer->lpVtbl->Lock( lpddsOffScreenBuffer, NULL, &ddsd, DDLOCK_WAIT, NULL ) ) != DD_OK )
{
//Com_Printf( "failed - %s\n", DDrawError( ddrval ) );
goto fail;
}
Com_Printf ("ok\n" );
//*ppbuffer = ddsd.lpSurface;
vid.buffer = ddsd.lpSurface;
vid.direct = vid.buffer;
//*ppitch = ddsd.lPitch;
vid.rowbytes = ddsd.lPitch;
for ( i = 0; i < vid.height; i++ )
{
//memset( *ppbuffer + i * *ppitch, 0, *ppitch );
memset( vid.buffer + i * vid.rowbytes, 0, vid.rowbytes );
}
// sww_state.palettized = true;
modestate = MS_FULLDIB;
return;
fail:
Sys_Error ("directdraw failure");
}
void VID_SetPalette (unsigned char *palette)
{
setcurrentpalette (palette);
DDRAW_SetPalette (currentpalette);
}