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[idd] lgmp: stream staged copies to WC memory

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This commit is contained in:
Geoffrey McRae
2026-08-17 01:27:38 +10:00
parent 636e55db0d
commit 26cafbe3df
6 changed files with 284 additions and 7 deletions
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15
idd/LGIdd/transport/lgmp/CLGMPFrameTransport.cpp
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@@ -25,6 +25,7 @@
#include "transport/lgmp/CLGMPHost.h"
#include "Atomic.h"
#include "CDebug.h"
#include "WCWrite.h"
#include <cstring>
#include <memory>
@@ -1335,15 +1336,14 @@ void CLGMPFrameTransport::WriteFrameBuffer(unsigned frameIndex, void * src,
{
LGMPBuffer * fb = m_frameBuffer[frameIndex];
memcpy(
reinterpret_cast<void *>(
reinterpret_cast<uintptr_t>(fb->data) + offset),
reinterpret_cast<void *>(
reinterpret_cast<uintptr_t>(src) + offset),
len);
WCWrite::Copy(fb->data + offset,
static_cast<uint8_t *>(src) + offset, len);
if (setWritePos)
{
WCWrite::Flush();
fb->wp = (uint32_t)(offset + len);
}
}
void CLGMPFrameTransport::WriteFrameBufferRows(unsigned frameIndex,
@@ -1355,7 +1355,7 @@ void CLGMPFrameTransport::WriteFrameBufferRows(unsigned frameIndex,
uint8_t * source = static_cast<uint8_t *>(src) + offset;
for (unsigned row = 0; row < rows; ++row)
{
memcpy(dst, source, rowBytes);
WCWrite::Copy(dst, source, rowBytes);
dst += pitch;
source += pitch;
}
@@ -1365,5 +1365,6 @@ void CLGMPFrameTransport::FinalizeFrameBuffer(unsigned frameIndex) const
{
const KVMFRFrame * frame = m_frame[frameIndex];
LGMPBuffer * fb = m_frameBuffer[frameIndex];
WCWrite::Flush();
fb->wp = frame->dataHeight * frame->pitch;
}