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-rw-r--r--src/core/CdStream.h2
-rw-r--r--src/core/CdStreamPosix.cpp29
-rw-r--r--src/core/Streaming.cpp86
-rw-r--r--src/core/Streaming.h4
-rw-r--r--src/core/config.h11
5 files changed, 89 insertions, 43 deletions
diff --git a/src/core/CdStream.h b/src/core/CdStream.h
index d0f9a855..516cef48 100644
--- a/src/core/CdStream.h
+++ b/src/core/CdStream.h
@@ -43,6 +43,6 @@ char *CdStreamGetImageName(int32 cd);
void CdStreamRemoveImages(void);
int32 CdStreamGetNumImages(void);
-#ifndef _WIN32
+#ifdef FLUSHABLE_STREAMING
extern bool flushStream[MAX_CDCHANNELS];
#endif
diff --git a/src/core/CdStreamPosix.cpp b/src/core/CdStreamPosix.cpp
index 0854d850..8a27665a 100644
--- a/src/core/CdStreamPosix.cpp
+++ b/src/core/CdStreamPosix.cpp
@@ -21,9 +21,9 @@
#define CDDEBUG(f, ...) debug ("%s: " f "\n", "cdvd_stream", ## __VA_ARGS__)
#define CDTRACE(f, ...) printf("%s: " f "\n", "cdvd_stream", ## __VA_ARGS__)
-// #define ONE_THREAD_PER_CHANNEL // Don't use if you're not on SSD/Flash. (Also you may want to benefit from this via using all channels in Streaming.cpp)
-
+#ifdef FLUSHABLE_STREAMING
bool flushStream[MAX_CDCHANNELS];
+#endif
struct CdReadInfo
{
@@ -99,6 +99,7 @@ CdStreamInitThread(void)
ASSERT(0);
return;
}
+
#ifdef ONE_THREAD_PER_CHANNEL
sprintf(semName,"/semaphore_start%d",i);
gpReadInfo[i].pStartSemaphore = sem_open(semName, O_CREAT, 0644, 1);
@@ -245,10 +246,12 @@ CdStreamRead(int32 channel, void *buffer, uint32 offset, uint32 size)
if ( pChannel->nSectorsToRead != 0 || pChannel->bReading ) {
if (pChannel->hFile == hImage - 1 && pChannel->nSectorOffset == _GET_OFFSET(offset) && pChannel->nSectorsToRead >= size)
return STREAM_SUCCESS;
-
+#ifdef FLUSHABLE_STREAMING
flushStream[channel] = 1;
CdStreamSync(channel);
- //return STREAM_NONE;
+#else
+ return STREAM_NONE;
+#endif
}
pChannel->hFile = hImage - 1;
@@ -316,34 +319,34 @@ CdStreamSync(int32 channel)
CdReadInfo *pChannel = &gpReadInfo[channel];
ASSERT( pChannel != nil );
+#ifdef FLUSHABLE_STREAMING
if (flushStream[channel]) {
-#ifdef ONE_THREAD_PER_CHANNEL
pChannel->nSectorsToRead = 0;
+#ifdef ONE_THREAD_PER_CHANNEL
pthread_kill(pChannel->pChannelThread, SIGUSR1);
if (pChannel->bReading) {
pChannel->bLocked = true;
- while (pChannel->bLocked)
- sem_wait(pChannel->pDoneSemaphore);
- }
#else
- pChannel->nSectorsToRead = 0;
if (pChannel->bReading) {
pChannel->bLocked = true;
pthread_kill(_gCdStreamThread, SIGUSR1);
+#endif
while (pChannel->bLocked)
sem_wait(pChannel->pDoneSemaphore);
}
-#endif
pChannel->bReading = false;
flushStream[channel] = false;
return STREAM_NONE;
}
+#endif
if ( pChannel->nSectorsToRead != 0 )
{
pChannel->bLocked = true;
- while (pChannel->bLocked)
+ while (pChannel->bLocked && pChannel->nSectorsToRead != 0){
sem_wait(pChannel->pDoneSemaphore);
+ }
+ pChannel->bLocked = false;
}
pChannel->bReading = false;
@@ -447,7 +450,7 @@ void *CdStreamThread(void *param)
if ( pChannel->bLocked )
{
pChannel->bLocked = 0;
- sem_post(pChannel->pDoneSemaphore);
+ sem_post(pChannel->pDoneSemaphore);
}
pChannel->bReading = false;
}
@@ -524,7 +527,9 @@ void
CdStreamRemoveImages(void)
{
for ( int32 i = 0; i < gNumChannels; i++ ) {
+#ifdef FLUSHABLE_STREAMING
flushStream[i] = 1;
+#endif
CdStreamSync(i);
}
diff --git a/src/core/Streaming.cpp b/src/core/Streaming.cpp
index 7b4218ba..9ac22096 100644
--- a/src/core/Streaming.cpp
+++ b/src/core/Streaming.cpp
@@ -202,11 +202,15 @@ CStreaming::Init2(void)
// allocate streaming buffers
if(ms_streamingBufferSize & 1) ms_streamingBufferSize++;
+#ifndef ONE_THREAD_PER_CHANNEL
ms_pStreamingBuffer[0] = (int8*)RwMallocAlign(ms_streamingBufferSize*CDSTREAM_SECTOR_SIZE, CDSTREAM_SECTOR_SIZE);
ms_streamingBufferSize /= 2;
ms_pStreamingBuffer[1] = ms_pStreamingBuffer[0] + ms_streamingBufferSize*CDSTREAM_SECTOR_SIZE;
-#ifdef ONE_THREAD_PER_CHANNEL
- ms_pStreamingBuffer[2] = (int8*)RwMallocAlign(ms_streamingBufferSize*2*CDSTREAM_SECTOR_SIZE, CDSTREAM_SECTOR_SIZE);
+#else
+ ms_pStreamingBuffer[0] = (int8*)RwMallocAlign(ms_streamingBufferSize*2*CDSTREAM_SECTOR_SIZE, CDSTREAM_SECTOR_SIZE);
+ ms_streamingBufferSize /= 2;
+ ms_pStreamingBuffer[1] = ms_pStreamingBuffer[0] + ms_streamingBufferSize*CDSTREAM_SECTOR_SIZE;
+ ms_pStreamingBuffer[2] = ms_pStreamingBuffer[1] + ms_streamingBufferSize*CDSTREAM_SECTOR_SIZE;
ms_pStreamingBuffer[3] = ms_pStreamingBuffer[2] + ms_streamingBufferSize*CDSTREAM_SECTOR_SIZE;
#endif
debug("Streaming buffer size is %d sectors", ms_streamingBufferSize);
@@ -1932,9 +1936,10 @@ CStreaming::LoadRequestedModels(void)
}
-// Let's load models first, then process it. Unfortunately processing models are still single-threaded.
+// Let's load models in 4 threads; when one of them becomes idle, process the file, and fill thread with another file. Unfortunately processing models are still single-threaded.
// Currently only supported on POSIX streamer.
-#ifdef ONE_THREAD_PER_CHANNEL
+// WIP - some files are loaded swapped (CdStreamPosix problem?)
+#if 0 //def ONE_THREAD_PER_CHANNEL
void
CStreaming::LoadAllRequestedModels(bool priority)
{
@@ -1952,14 +1957,18 @@ CStreaming::LoadAllRequestedModels(bool priority)
int streamIds[ARRAY_SIZE(ms_pStreamingBuffer)];
int streamSizes[ARRAY_SIZE(ms_pStreamingBuffer)];
int streamPoses[ARRAY_SIZE(ms_pStreamingBuffer)];
- bool first = true;
+ int readOrder[4] = {-1}; // Channel IDs ordered by read time
+ int readI = 0;
int processI = 0;
+ bool first = true;
+
+ // All those "first" checks are because of variables aren't initialized in first pass.
while (true) {
- // Enumerate files and start reading
for (int i=0; i<ARRAY_SIZE(ms_pStreamingBuffer); i++) {
+
+ // Channel has file to load
if (!first && streamIds[i] != -1) {
- processI = i;
continue;
}
@@ -1972,12 +1981,16 @@ CStreaming::LoadAllRequestedModels(bool priority)
if (ms_aInfoForModel[streamId].GetCdPosnAndSize(posn, size)) {
streamIds[i] = -1;
+
+ // Big file, needs 2 buffer
if (size > (uint32)ms_streamingBufferSize) {
if (i + 1 == ARRAY_SIZE(ms_pStreamingBuffer))
- continue;
+ break;
else if (!first && streamIds[i+1] != -1)
continue;
+
} else {
+ // Buffer of current channel is part of a "big file", pass
if (i != 0 && streamIds[i-1] != -1 && streamSizes[i-1] > (uint32)ms_streamingBufferSize)
continue;
}
@@ -1987,8 +2000,18 @@ CStreaming::LoadAllRequestedModels(bool priority)
streamIds[i] = streamId;
streamSizes[i] = size;
streamPoses[i] = posn;
+
+ if (!first)
+ assert(readOrder[readI] == -1);
+
+ //printf("read: order %d, ch %d, id %d, size %d\n", readI, i, streamId, size);
+
CdStreamRead(i, ms_pStreamingBuffer[i], imgOffset+posn, size);
- processI = i;
+ readOrder[readI] = i;
+ if (first && readI+1 != ARRAY_SIZE(readOrder))
+ readOrder[readI+1] = -1;
+
+ readI = (readI + 1) % ARRAY_SIZE(readOrder);
} else {
ms_aInfoForModel[streamId].RemoveFromList();
DecrementRef(streamId);
@@ -1996,33 +2019,40 @@ CStreaming::LoadAllRequestedModels(bool priority)
ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_LOADED;
streamIds[i] = -1;
}
- } else
+ } else {
streamIds[i] = -1;
+ break;
+ }
}
first = false;
+ int nextChannel = readOrder[processI];
- // Now process
- if (streamIds[processI] == -1)
+ // Now start processing
+ if (nextChannel == -1 || streamIds[nextChannel] == -1)
break;
+ //printf("process: order %d, ch %d, id %d\n", processI, nextChannel, streamIds[nextChannel]);
+
// Try again on error
- while (CdStreamSync(processI) != STREAM_NONE) {
- CdStreamRead(processI, ms_pStreamingBuffer[processI], imgOffset+streamPoses[processI], streamSizes[processI]);
- }
- ms_aInfoForModel[streamIds[processI]].m_loadState = STREAMSTATE_READING;
-
- MakeSpaceFor(streamSizes[processI] * CDSTREAM_SECTOR_SIZE);
- ConvertBufferToObject(ms_pStreamingBuffer[processI], streamIds[processI]);
- if(ms_aInfoForModel[streamIds[processI]].m_loadState == STREAMSTATE_STARTED)
- FinishLoadingLargeFile(ms_pStreamingBuffer[processI], streamIds[processI]);
-
- if(streamIds[processI] < STREAM_OFFSET_TXD){
- CSimpleModelInfo *mi = (CSimpleModelInfo*)CModelInfo::GetModelInfo(streamIds[processI]);
+ while (CdStreamSync(nextChannel) != STREAM_NONE) {
+ CdStreamRead(nextChannel, ms_pStreamingBuffer[nextChannel], imgOffset+streamPoses[nextChannel], streamSizes[nextChannel]);
+ }
+ ms_aInfoForModel[streamIds[nextChannel]].m_loadState = STREAMSTATE_READING;
+
+ MakeSpaceFor(streamSizes[nextChannel] * CDSTREAM_SECTOR_SIZE);
+ ConvertBufferToObject(ms_pStreamingBuffer[nextChannel], streamIds[nextChannel]);
+ if(ms_aInfoForModel[streamIds[nextChannel]].m_loadState == STREAMSTATE_STARTED)
+ FinishLoadingLargeFile(ms_pStreamingBuffer[nextChannel], streamIds[nextChannel]);
+
+ if(streamIds[nextChannel] < STREAM_OFFSET_TXD){
+ CSimpleModelInfo *mi = (CSimpleModelInfo*)CModelInfo::GetModelInfo(streamIds[nextChannel]);
if(mi->IsSimple())
mi->m_alpha = 255;
}
- streamIds[processI] = -1;
+ streamIds[nextChannel] = -1;
+ readOrder[processI] = -1;
+ processI = (processI + 1) % ARRAY_SIZE(readOrder);
}
ms_bLoadingBigModel = false;
@@ -2061,7 +2091,7 @@ CStreaming::LoadAllRequestedModels(bool priority)
status = CdStreamRead(0, ms_pStreamingBuffer[0], imgOffset+posn, size);
while(CdStreamSync(0) || status == STREAM_NONE);
ms_aInfoForModel[streamId].m_loadState = STREAMSTATE_READING;
-
+
MakeSpaceFor(size * CDSTREAM_SECTOR_SIZE);
ConvertBufferToObject(ms_pStreamingBuffer[0], streamId);
if(ms_aInfoForModel[streamId].m_loadState == STREAMSTATE_STARTED)
@@ -2118,7 +2148,7 @@ CStreaming::FlushRequestList(void)
next = si->m_next;
RemoveModel(si - ms_aInfoForModel);
}
-#ifndef _WIN32
+#ifdef FLUSHABLE_STREAMING
if(ms_channel[0].state == CHANNELSTATE_READING) {
flushStream[0] = 1;
}
@@ -2798,4 +2828,4 @@ CStreaming::PrintStreamingBufferState()
DoRWStuffEndOfFrame();
}
CTimer::Update();
-} \ No newline at end of file
+}
diff --git a/src/core/Streaming.h b/src/core/Streaming.h
index 0e2e89be..3294a88e 100644
--- a/src/core/Streaming.h
+++ b/src/core/Streaming.h
@@ -85,7 +85,11 @@ public:
static int32 ms_oldSectorX;
static int32 ms_oldSectorY;
static int32 ms_streamingBufferSize;
+#ifndef ONE_THREAD_PER_CHANNEL
static int8 *ms_pStreamingBuffer[2];
+#else
+ static int8 *ms_pStreamingBuffer[4];
+#endif
static size_t ms_memoryUsed;
static CStreamingChannel ms_channel[2];
static int32 ms_channelError;
diff --git a/src/core/config.h b/src/core/config.h
index b2c7135a..bb1ca5e3 100644
--- a/src/core/config.h
+++ b/src/core/config.h
@@ -392,8 +392,13 @@ enum Config {
#endif
#endif
-// IMG
-#define BIG_IMG // allows to read larger img files
+
+// Streaming
+#if !defined(_WIN32) && !defined(__SWITCH__)
+ //#define ONE_THREAD_PER_CHANNEL // Don't use if you're not on SSD/Flash - also not utilized too much right now(see commented LoadAllRequestedModels in Streaming.cpp)
+ #define FLUSHABLE_STREAMING // Make it possible to interrupt reading when processing file isn't needed anymore.
+#endif
+#define BIG_IMG // Not complete - allows to read larger img files
//#define SQUEEZE_PERFORMANCE
#ifdef SQUEEZE_PERFORMANCE
@@ -404,6 +409,8 @@ enum Config {
#define VC_RAIN_NERF // Reduces number of rain particles
#endif
+// -------
+
#if defined __MWERKS__ || defined VANILLA_DEFINES
#define FINAL
#undef CHATTYSPLASH
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 14:14:04 +0100