void updatescreen(void)
{
/* update sound */
sound_frame_update();
/* if we're not skipping this frame, draw the screen */
if (!osd_skip_this_frame())
{
profiler_mark(PROFILER_VIDEO);
draw_screen();
profiler_mark(PROFILER_END);
}
/* the user interface must be called between vh_update() and osd_update_video_and_audio(), */
/* to allow it to overlay things on the game display. We must call it even */
/* if the frame is skipped, to keep a consistent timing. */
ui_update_and_render(artwork_get_ui_bitmap());
/* update our movie recording state */
if (!mame_is_paused())
record_movie_frame(scrbitmap[0]);
/* blit to the screen */
update_video_and_audio();
/* call the end-of-frame callback */
if (Machine->drv->video_eof && !mame_is_paused())
{
profiler_mark(PROFILER_VIDEO);
(*Machine->drv->video_eof)();
profiler_mark(PROFILER_END);
}
}
void video_manager::frame_update(bool debug)
{
// only render sound and video if we're in the running phase
int phase = machine().phase();
bool skipped_it = m_skipping_this_frame;
if (phase == MACHINE_PHASE_RUNNING && (!machine().paused() || machine().options().update_in_pause()))
{
bool anything_changed = finish_screen_updates();
// if none of the screens changed and we haven't skipped too many frames in a row,
// mark this frame as skipped to prevent throttling; this helps for games that
// don't update their screen at the monitor refresh rate
if (!anything_changed && !m_auto_frameskip && m_frameskip_level == 0 && m_empty_skip_count++ < 3)
skipped_it = true;
else
m_empty_skip_count = 0;
}
// draw the user interface
ui_update_and_render(machine(), &machine().render().ui_container());
// update the internal render debugger
debugint_update_during_game(machine());
// if we're throttling, synchronize before rendering
attotime current_time = machine().time();
if (!debug && !skipped_it && effective_throttle())
update_throttle(current_time);
// ask the OSD to update
g_profiler.start(PROFILER_BLIT);
machine().osd().update(!debug && skipped_it);
g_profiler.stop();
// perform tasks for this frame
if (!debug)
machine().call_notifiers(MACHINE_NOTIFY_FRAME);
// update frameskipping
if (!debug)
update_frameskip();
// update speed computations
if (!debug && !skipped_it)
recompute_speed(current_time);
// call the end-of-frame callback
if (phase == MACHINE_PHASE_RUNNING)
{
// reset partial updates if we're paused or if the debugger is active
if (machine().primary_screen != NULL && (machine().paused() || debug || debugger_within_instruction_hook(machine())))
machine().primary_screen->reset_partial_updates();
}
}
void video_frame_update(void)
{
int skipped_it = video_skip_this_frame();
int paused = mame_is_paused(Machine);
int phase = mame_get_phase(Machine);
int livemask;
int scrnum;
/* only render sound and video if we're in the running phase */
if (phase == MAME_PHASE_RUNNING)
{
/* update sound */
sound_frame_update();
/* finish updating the screens */
for (scrnum = 0; scrnum < MAX_SCREENS; scrnum++)
if (Machine->drv->screen[scrnum].tag != NULL)
video_screen_update_partial(scrnum, Machine->screen[scrnum].visarea.max_y);
/* now add the quads for all the screens */
livemask = render_get_live_screens_mask();
for (scrnum = 0; scrnum < MAX_SCREENS; scrnum++) {
if (livemask & (1 << scrnum))
{
internal_screen_info *screen = &scrinfo[scrnum];
/* only update if empty and not a vector game; otherwise assume the driver did it directly */
if (render_container_is_empty(render_container_get_screen(scrnum)) && !(Machine->drv->video_attributes & VIDEO_TYPE_VECTOR))
{
mame_bitmap *bitmap = screen->bitmap[screen->curbitmap];
if (!skipping_this_frame && screen->changed)
{
rectangle fixedvis = Machine->screen[scrnum].visarea;
fixedvis.max_x++;
fixedvis.max_y++;
render_texture_set_bitmap(screen->texture, bitmap, &fixedvis, Machine->drv->screen[scrnum].palette_base, screen->format);
screen->curbitmap = 1 - screen->curbitmap;
}
render_screen_add_quad(scrnum, 0.0f, 0.0f, 1.0f, 1.0f, MAKE_ARGB(0xff,0xff,0xff,0xff), screen->texture, PRIMFLAG_BLENDMODE(BLENDMODE_NONE) | PRIMFLAG_SCREENTEX(1));
}
}
}
/* update our movie recording state */
if (!paused)
movie_record_frame(0);
/* reset the screen changed flags */
for (scrnum = 0; scrnum < MAX_SCREENS; scrnum++)
scrinfo[scrnum].changed = 0;
}
/* draw any crosshairs */
crosshair_render();
/* draw the user interface */
ui_update_and_render();
/* call the OSD to update */
skipping_this_frame = osd_update(mame_timer_get_time());
/* empty the containers */
for (scrnum = 0; scrnum < MAX_SCREENS; scrnum++)
if (Machine->drv->screen[scrnum].tag != NULL)
render_container_empty(render_container_get_screen(scrnum));
/* update FPS */
recompute_fps(skipped_it);
/* call the end-of-frame callback */
if (phase == MAME_PHASE_RUNNING)
{
/* reset partial updates if we're paused or if the debugger is active */
if (paused || mame_debug_is_active())
video_reset_partial_updates();
/* otherwise, call the video EOF callback */
else if (Machine->drv->video_eof != NULL)
{
profiler_mark(PROFILER_VIDEO);
(*Machine->drv->video_eof)(Machine);
profiler_mark(PROFILER_END);
}
}
}
void Server::initialSync(const RakNet::SystemAddress &sa,running_machine *machine)
{
unsigned char checksum = 0;
waitingForClientCatchup=true;
machine->osd().pauseAudio(true);
int syncBytes;
{
RakNet::BitStream uncompressedStream;
uncompressedStream.Write(startupTime);
uncompressedStream.Write(globalCurtime);
if(getSecondsBetweenSync())
{
while(memoryBlocksLocked)
{
;
}
memoryBlocksLocked=true;
cout << "IN CRITICAL SECTION\n";
cout << "SERVER: Sending initial snapshot\n";
int numBlocks = int(blocks.size());
cout << "NUMBLOCKS: " << numBlocks << endl;
uncompressedStream.Write(numBlocks);
// NOTE: The server must send stale data to the client for the first time
// So that future syncs will be accurate
for(int blockIndex=0; blockIndex<int(initialBlocks.size()); blockIndex++)
{
//cout << "BLOCK SIZE FOR INDEX " << blockIndex << ": " << staleBlocks[blockIndex].size << endl;
uncompressedStream.Write(initialBlocks[blockIndex].size);
cout << "BLOCK " << blockIndex << ": ";
for(int a=0; a<staleBlocks[blockIndex].size; a++)
{
checksum = checksum ^ staleBlocks[blockIndex].data[a];
//cout << int(staleBlocks[blockIndex].data[a]) << ' ';
unsigned char value = initialBlocks[blockIndex].data[a] ^ staleBlocks[blockIndex].data[a];
uncompressedStream.WriteBits(&value,8);
}
cout << int(checksum) << endl;
}
}
for(
map<int,vector< string > >::iterator it = peerInputs.begin();
it != peerInputs.end();
it++
)
{
uncompressedStream.Write(it->first);
uncompressedStream.Write(int(oldPeerInputs[it->first].size()) + int(it->second.size()));
for(int a=0; a<(int)it->second.size(); a++)
{
uncompressedStream.Write(int(it->second[a].length()));
uncompressedStream.WriteBits((const unsigned char*)it->second[a].c_str(),it->second[a].length()*8);
for(int b=0;b<it->second[a].length();b++)
{
checksum = checksum ^ it->second[a][b];
}
}
for(int a=0; a<int(oldPeerInputs[it->first].size()); a++)
{
uncompressedStream.Write(int(oldPeerInputs[it->first][a].length()));
uncompressedStream.WriteBits((const unsigned char*)oldPeerInputs[it->first][a].c_str(),oldPeerInputs[it->first][a].length()*8);
for(int b=0;b<oldPeerInputs[it->first][a].length();b++)
{
checksum = checksum ^ oldPeerInputs[it->first][a][b];
}
}
}
uncompressedStream.Write(int(-1));
uncompressedStream.Write(checksum);
cout << "CHECKSUM: " << int(checksum) << endl;
if(uncompressedBufferSize<uncompressedStream.GetNumberOfBytesUsed()+sizeof(int))
{
uncompressedBufferSize = uncompressedStream.GetNumberOfBytesUsed()+sizeof(int);
free(uncompressedBuffer);
uncompressedBuffer = (unsigned char*)malloc(uncompressedBufferSize);
if(!uncompressedBuffer)
{
cout << __FILE__ << ":" << __LINE__ << " OUT OF MEMORY\n";
exit(1);
}
}
syncBytes = uncompressedStream.GetNumberOfBytesUsed();
memcpy(uncompressedBuffer,uncompressedStream.GetData(),uncompressedStream.GetNumberOfBytesUsed());
int uncompressedStateSize = (int)uncompressedStream.GetNumberOfBytesUsed();
printf("INITIAL UNCOMPRESSED STATE SIZE: %d\n",uncompressedStateSize);
}
cout << "PUTTING NVRAM AT LOCATION " << syncBytes << endl;
// open the file; if it exists, call everyone to read from it
emu_file file(machine->options().nvram_directory(), OPEN_FLAG_READ);
if (file.open(machine->basename(), ".nv") == FILERR_NONE && file.size()<=1024*1024*64) //Don't bother sending huge NVRAM's
{
int nvramSize = file.size();
if(uncompressedBufferSize<syncBytes+sizeof(int)+nvramSize)
{
uncompressedBufferSize = syncBytes+sizeof(int)+nvramSize;
free(uncompressedBuffer);
uncompressedBuffer = (unsigned char*)malloc(uncompressedBufferSize);
if(!uncompressedBuffer)
{
cout << __FILE__ << ":" << __LINE__ << " OUT OF MEMORY\n";
exit(1);
}
}
cout << "SENDING NVRAM OF SIZE: " << nvramSize << endl;
memcpy(uncompressedBuffer+syncBytes,&nvramSize,sizeof(int));
file.read(uncompressedBuffer+syncBytes+sizeof(int),nvramSize);
file.close();
syncBytes += sizeof(int) + nvramSize;
}
else
{
int dummy=0;
memcpy(uncompressedBuffer+syncBytes,&dummy,sizeof(int));
syncBytes += sizeof(int);
}
cout << "BYTES USED: " << syncBytes << endl;
//The application should ensure that this value be at least (sourceLen 1.001) + 12.
//JJG: Doing more than that to account for header and provide some padding
//vector<unsigned char> compressedInitialSyncBuffer(
//sizeof(int)*2 + lzmaGetMaxCompressedSize(uncompressedStream.GetNumberOfBytesUsed()), '\0');
//JJG: Take a risk and assume the compressed size will be smaller than the uncompressed size
int newCompressedSize = max(1024*1024,int(sizeof(int)*2 + lzmaGetMaxCompressedSize(syncBytes)));
if(compressedBufferSize < newCompressedSize )
{
compressedBufferSize = newCompressedSize;
cout << "NEW COMPRESSED BUFFER SIZE: " << compressedBufferSize << endl;
free(compressedBuffer);
compressedBuffer = (unsigned char*)malloc(compressedBufferSize);
if(!compressedBuffer)
{
cout << __FILE__ << ":" << __LINE__ << " OUT OF MEMORY\n";
exit(1);
}
}
int compressedSizeLong = compressedBufferSize;
//FILE *stateptr = fopen("initialState.dat","wb");
//fwrite(uncompressedStream.GetData(),uncompressedStream.GetNumberOfBytesUsed(),1,stateptr);
//fclose(stateptr);
lzmaCompress(
compressedBuffer+sizeof(int)+sizeof(int),
compressedSizeLong,
uncompressedBuffer,
syncBytes,
6
);
int uncompressedSize = (int)syncBytes;
memcpy(compressedBuffer,&uncompressedSize,sizeof(int));
int compressedSize = (int)compressedSizeLong;
memcpy(compressedBuffer+sizeof(int),&compressedSize,sizeof(int));
printf("INITIAL UNCOMPRESSED SIZE: %d\n",uncompressedSize);
printf("INITIAL COMPRESSED SIZE: %d\n",compressedSize);
/*
rakInterface->Send(
(char*)(&compressedInitialSyncBuffer[0]),
compressedSize+1+sizeof(int),
HIGH_PRIORITY,
RELIABLE_ORDERED,
ORDERING_CHANNEL_SYNC,
guid,
false
);
*/
//
unsigned char *sendPtr = compressedBuffer;
int sizeRemaining = compressedSize+sizeof(int)+sizeof(int);
printf("INITIAL COMPRESSED SIZE: %dKB\n",sizeRemaining/1024);
int packetSize = max(256,min(1024,sizeRemaining/100));
oldInputTime.seconds = oldInputTime.attoseconds = 0;
while(sizeRemaining>packetSize)
{
RakNet::BitStream bitStreamPart(65536);
unsigned char header = ID_INITIAL_SYNC_PARTIAL;
bitStreamPart.WriteBits((const unsigned char*)&header,8*sizeof(unsigned char));
bitStreamPart.WriteBits((const unsigned char*)sendPtr,8*packetSize);
sizeRemaining -= packetSize;
sendPtr += packetSize;
rakInterface->Send(
&bitStreamPart,
HIGH_PRIORITY,
RELIABLE_ORDERED,
ORDERING_CHANNEL_SYNC,
sa,
false
);
ui_update_and_render(*machine, &machine->render().ui_container());
machine->osd().update(false);
RakSleep(10);
}
{
RakNet::BitStream bitStreamPart(65536);
unsigned char header = ID_INITIAL_SYNC_COMPLETE;
bitStreamPart.WriteBits((const unsigned char*)&header,8*sizeof(unsigned char));
bitStreamPart.WriteBits((const unsigned char*)sendPtr,8*sizeRemaining);
rakInterface->Send(
&bitStreamPart,
HIGH_PRIORITY,
RELIABLE_ORDERED,
ORDERING_CHANNEL_SYNC,
sa,
false
);
ui_update_and_render(*machine, &machine->render().ui_container());
machine->osd().update(false);
RakSleep(10);
}
//
cout << "FINISHED SENDING BLOCKS TO CLIENT\n";
cout << "SERVER: Done with initial snapshot\n";
cout << "OUT OF CRITICAL AREA\n";
cout.flush();
memoryBlocksLocked=false;
}