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-rw-r--r--src/core/Streaming.cpp86
1 files changed, 58 insertions, 28 deletions
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
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 11:15:03 +0200