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[idd] transport: abstract LGMP implementation

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Introduce transport, frame, and control interfaces with an LGMP factory
backend.

Move LGMP and IVSHMEM implementation details under transport/lgmp and
expose direct frame-buffer memory through a neutral capability.
This commit is contained in:
Geoffrey McRae
2026-08-07 16:39:07 +10:00
parent 30a1383d5e
commit 6725133375
46 changed files with 1026 additions and 480 deletions
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22
idd/LGIdd/capture/CSoftwareFrameProcessor.cpp
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@@ -20,21 +20,21 @@
#include "capture/CSoftwareFrameProcessor.h"
#include "capture/CFrameProcessorUtil.h"
#include "capture/FrameBufferTypes.h"
#include "transport/CFrameTransport.h"
#include "transport/TransportTypes.h"
#include "transport/IFrameTransport.h"
#include "util/CSRWLock.h"
#include "CDebug.h"
#include <utility>
CSoftwareFrameProcessor::CSoftwareFrameProcessor(
CFrameTransport * transport, std::shared_ptr<CD3D12Device> dx12,
CPostProcessor postProcessors[LGMP_Q_FRAME_LEN],
IFrameTransport * transport, std::shared_ptr<CD3D12Device> dx12,
CPostProcessor postProcessors[TRANSPORT_FRAME_QUEUE_LENGTH],
SRWLOCK * pipelineLock, HANDLE terminateEvent) :
CFrameProcessor(transport, std::move(dx12), postProcessors,
pipelineLock, terminateEvent),
m_directTexture(
!m_dx12->IsIndirectCopy() && m_dx12->CanUseIVSHMEMTexture())
!m_dx12->IsIndirectCopy() && m_dx12->CanUseDirectTexture())
{
}
@@ -152,18 +152,18 @@ bool CSoftwareFrameProcessor::Submit(const FrameSubmission& submission)
else
{
m_directTexture = false;
DEBUG_WARN("IVSHMEM texture layout does not fit the framebuffer");
DEBUG_WARN("Transport texture layout does not fit the framebuffer");
}
}
else if (m_directTexture)
{
m_directTexture = false;
DEBUG_WARN("Post-processor output cannot use an IVSHMEM texture");
DEBUG_WARN("Post-processor output cannot use a transport texture");
}
if (!pitch || !frameSize || frameSize > m_transport->GetMaxFrameSize())
{
DEBUG_ERROR("Software frame does not fit in shared memory");
DEBUG_ERROR("Software frame does not fit in transport memory");
SetFullDamage();
return false;
}
@@ -190,7 +190,7 @@ bool CSoftwareFrameProcessor::Submit(const FrameSubmission& submission)
deliverySchedule.deliveryDeadlineSerial = 0;
deliverySchedule.phaseEligible = false;
m_transport->ProcessFrameQueue();
m_transport->ProcessDeliveries();
if (!m_transport->FrameBufferAvailable(
deliverySchedule, submission.noImageUpdate))
{
@@ -258,7 +258,7 @@ bool CSoftwareFrameProcessor::Submit(const FrameSubmission& submission)
RestorePendingDamage(
currentDirtyRects, nbDirtyRects, hasDamage);
DEBUG_ERROR_HR(deviceStatus,
"D3D12 device removed while creating an IVSHMEM texture");
"D3D12 device removed while creating a transport texture");
SetFullDamage();
return false;
}
@@ -266,7 +266,7 @@ bool CSoftwareFrameProcessor::Submit(const FrameSubmission& submission)
m_directTexture = false;
textureDescPtr = nullptr;
DEBUG_WARN(
"IVSHMEM textures unavailable; using a direct buffer copy");
"Transport textures unavailable; using a direct buffer copy");
}
}