Files
LookingGlass/idd/LGIdd/capture/CHardwareFrameProcessor.cpp
Geoffrey McRae 30a1383d5e [idd] project: organize driver sources by responsibility
Group the IDD sources and Visual Studio filters by subsystem.

Split the device and swap-chain implementations into focused units,
rename the context classes, and reduce header coupling.
2026-08-07 15:49:18 +10:00

824 lines
25 KiB
C++

/**
* Looking Glass
* Copyright © 2017-2026 The Looking Glass Authors
* https://looking-glass.io
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "capture/CHardwareFrameProcessor.h"
#include "capture/CFrameProcessorUtil.h"
#include "transport/CFrameTransport.h"
#include "util/CSRWLock.h"
#include "CDebug.h"
#include <cstring>
#include <utility>
using namespace Microsoft::WRL;
static_assert(LGMP_Q_FRAME_LEN == 2,
"IDD candidate pipeline assumes two slots");
class CPublishPending
{
private:
SRWLOCK * m_lock;
bool * m_pending;
HANDLE m_event;
bool m_active = true;
public:
CPublishPending(SRWLOCK * lock, bool * pending, HANDLE event) :
m_lock(lock),
m_pending(pending),
m_event(event)
{
AcquireSRWLockExclusive(m_lock);
*m_pending = true;
ResetEvent(m_event);
ReleaseSRWLockExclusive(m_lock);
}
~CPublishPending()
{
Clear();
}
void Clear()
{
if (!m_active)
return;
AcquireSRWLockExclusive(m_lock);
*m_pending = false;
SetEvent(m_event);
ReleaseSRWLockExclusive(m_lock);
m_active = false;
}
};
CHardwareFrameProcessor::CHardwareFrameProcessor(
CFrameTransport * transport, std::shared_ptr<CD3D12Device> dx12,
CPostProcessor postProcessors[LGMP_Q_FRAME_LEN],
SRWLOCK * pipelineLock, HANDLE terminateEvent) :
CFrameProcessor(transport, std::move(dx12), postProcessors,
pipelineLock, terminateEvent)
{
m_candidateAvailableEvent.Attach(
CreateEvent(nullptr, FALSE, FALSE, nullptr));
m_copySubmitEvent.Attach(CreateEvent(nullptr, TRUE, TRUE, nullptr));
}
bool CHardwareFrameProcessor::IsValid() const
{
return CFrameProcessor::IsValid() &&
m_candidateAvailableEvent.Get() && m_copySubmitEvent.Get();
}
void CHardwareFrameProcessor::SignalCandidateState()
{
SetEvent(m_readyEvent.Get());
SetEvent(m_candidateAvailableEvent.Get());
}
void CHardwareFrameProcessor::SetFullDamageLocked()
{
for (CandidateDamageTail& tail : m_candidateDamageTail)
if (tail.active)
{
tail.hasDamage = true;
tail.nbDirtyRects = 0;
}
}
void CHardwareFrameProcessor::AccumulateDamageLocked(
const RECT dirtyRects[], unsigned count)
{
for (CandidateDamageTail& tail : m_candidateDamageTail)
if (tail.active)
CFrameProcessorUtil::AccumulateDamage(
tail.dirtyRects, &tail.nbDirtyRects, &tail.hasDamage,
dirtyRects, count);
}
void CHardwareFrameProcessor::ResetCandidates()
{
AcquireSRWLockExclusive(&m_candidateLock);
for (FrameCandidate& candidate : m_candidates)
candidate = {};
ReleaseSRWLockExclusive(&m_candidateLock);
AcquireSRWLockExclusive(&m_damageLock);
for (CandidateDamageTail& tail : m_candidateDamageTail)
tail = {};
ReleaseSRWLockExclusive(&m_damageLock);
SignalCandidateState();
}
void CHardwareFrameProcessor::Reset()
{
ResetCandidates();
CFrameProcessor::Reset();
}
void CHardwareFrameProcessor::ResetPipeline()
{
ResetCandidates();
CFrameProcessor::Invalidate();
}
bool CHardwareFrameProcessor::HasReadyFrame() const
{
bool ready = false;
AcquireSRWLockShared(&m_candidateLock);
for (const FrameCandidate& candidate : m_candidates)
if (candidate.state == CANDIDATE_READY)
{
ready = true;
break;
}
ReleaseSRWLockShared(&m_candidateLock);
return ready;
}
int CHardwareFrameProcessor::AcquireCandidate(
bool exclusiveSample, bool allowSupersede)
{
int selected = -1;
uint64_t oldest = UINT64_MAX;
bool superseded = false;
bool idle = true;
bool publishing = false;
AcquireSRWLockExclusive(&m_candidateLock);
for (unsigned i = 0; i < ARRAYSIZE(m_candidates); ++i)
{
if (m_candidates[i].state != CANDIDATE_FREE)
{
idle = false;
if (m_candidates[i].state == CANDIDATE_PUBLISHING)
publishing = true;
}
else if (selected < 0)
selected = static_cast<int>(i);
}
if (exclusiveSample && !idle)
selected = -1;
unsigned readyCount = 0;
for (const FrameCandidate& candidate : m_candidates)
if (candidate.state == CANDIDATE_READY)
++readyCount;
if (allowSupersede && !exclusiveSample && selected < 0 &&
readyCount > (publishing ? 0U : 1U))
for (unsigned i = 0; i < ARRAYSIZE(m_candidates); ++i)
if (m_candidates[i].state == CANDIDATE_READY &&
m_candidates[i].sequence < oldest)
{
selected = static_cast<int>(i);
oldest = m_candidates[i].sequence;
}
if (selected >= 0)
{
FrameCandidate& candidate =
m_candidates[static_cast<unsigned>(selected)];
superseded = candidate.state == CANDIDATE_READY;
candidate.state = CANDIDATE_PREPARING;
candidate.sequence = ++m_candidateSequence;
}
ReleaseSRWLockExclusive(&m_candidateLock);
if (superseded)
m_transport->FrameSuperseded();
return selected;
}
void CHardwareFrameProcessor::ReleaseCandidate(unsigned candidateIndex)
{
if (candidateIndex >= ARRAYSIZE(m_candidates))
return;
AcquireSRWLockExclusive(&m_candidateLock);
m_candidates[candidateIndex].state = CANDIDATE_FREE;
ReleaseSRWLockExclusive(&m_candidateLock);
SignalCandidateState();
}
bool CHardwareFrameProcessor::EnsureCandidateResource(
unsigned candidateIndex, size_t frameSize)
{
FrameCandidate& candidate = m_candidates[candidateIndex];
D3D12_RESOURCE_DESC desc = {};
desc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
desc.Width = frameSize;
desc.Height = 1;
desc.DepthOrArraySize = 1;
desc.MipLevels = 1;
desc.Format = DXGI_FORMAT_UNKNOWN;
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
desc.Flags = D3D12_RESOURCE_FLAG_NONE;
if (candidate.resource &&
CFrameProcessorUtil::ResourceDescMatches(
candidate.resource->GetDesc(), desc, false))
return true;
candidate.resource.Reset();
D3D12_HEAP_PROPERTIES heapProps = {};
heapProps.Type = D3D12_HEAP_TYPE_DEFAULT;
heapProps.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
heapProps.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
heapProps.CreationNodeMask = 1;
heapProps.VisibleNodeMask = 1;
const HRESULT hr = m_dx12->GetDevice()->CreateCommittedResource(
&heapProps, D3D12_HEAP_FLAG_NONE, &desc, D3D12_RESOURCE_STATE_COMMON,
nullptr, IID_PPV_ARGS(&candidate.resource));
if (FAILED(hr))
{
DEBUG_ERROR_HR(hr, "Failed to create retained frame candidate");
return false;
}
static const WCHAR * names[] =
{
L"Frame Candidate 0",
L"Frame Candidate 1",
};
candidate.resource->SetName(names[candidateIndex]);
return true;
}
bool CHardwareFrameProcessor::ExecuteCandidateCopy(
CD3D12CommandSlot * copySlot)
{
HANDLE waitHandles[] =
{
m_terminateEvent,
m_copySubmitEvent.Get(),
};
for (;;)
{
AcquireSRWLockExclusive(&m_copySubmitLock);
if (!m_publishPending)
{
const bool result = copySlot->Execute();
ReleaseSRWLockExclusive(&m_copySubmitLock);
return result;
}
ReleaseSRWLockExclusive(&m_copySubmitLock);
const DWORD result = WaitForMultipleObjects(
ARRAYSIZE(waitHandles), waitHandles, FALSE, INFINITE);
if (result == WAIT_OBJECT_0 + 1)
continue;
copySlot->Cancel();
if (result != WAIT_OBJECT_0)
DEBUG_ERROR_HR(HRESULT_FROM_WIN32(GetLastError()),
"Failed while waiting to submit a frame candidate");
return false;
}
}
void CHardwareFrameProcessor::CandidateCompletionFunction(
CD3D12CommandSlot * slot, bool result, void * param1, void * param2)
{
auto processor = static_cast<CHardwareFrameProcessor *>(param1);
auto candidate = static_cast<FrameCandidate *>(param2);
uint64_t gpuStart = 0;
uint64_t gpuEnd = 0;
const bool timingValid = result && slot->GetGPUTimes(gpuStart, gpuEnd);
bool forceFrame = false;
AcquireSRWLockExclusive(&processor->m_candidateLock);
if (candidate->state == CANDIDATE_PREPARING)
{
candidate->prepareReady = CFrameScheduler::Nanotime();
candidate->prepareGPUStart = gpuStart;
candidate->prepareGPUEnd = gpuEnd;
candidate->prepareTimingValid = timingValid;
candidate->state =
result ? CANDIDATE_READY : CANDIDATE_FREE;
forceFrame = result && candidate->timingToken != 0;
}
ReleaseSRWLockExclusive(&processor->m_candidateLock);
if (!result)
{
processor->SetFullDamage();
processor->m_transport->ForceFrame();
}
else if (forceFrame)
processor->m_transport->ForceFrame();
processor->SignalCandidateState();
}
void CHardwareFrameProcessor::CompletionFunction(
CD3D12CommandSlot * slot, bool result, void * param1, void * param2)
{
auto processor = static_cast<CHardwareFrameProcessor *>(param1);
auto fbRes = static_cast<CFrameBufferResource *>(param2);
const unsigned candidateIndex = fbRes->GetCandidateIndex();
if (!result)
{
processor->m_transport->FailFrameBuffer(fbRes->GetFrameIndex());
processor->SetFullDamage();
processor->m_transport->ForceFrame();
processor->ReleaseCandidate(candidateIndex);
return;
}
uint64_t prepareCopyStart;
uint64_t prepareReady;
uint64_t prepareGPUStart;
uint64_t prepareGPUEnd;
uint64_t timingStart;
bool prepareTimingValid;
AcquireSRWLockShared(&processor->m_candidateLock);
const FrameCandidate& candidate =
processor->m_candidates[candidateIndex];
prepareCopyStart = candidate.prepareCopyStart;
prepareReady = candidate.prepareReady;
prepareGPUStart = candidate.prepareGPUStart;
prepareGPUEnd = candidate.prepareGPUEnd;
timingStart = candidate.timingStart;
prepareTimingValid = candidate.prepareTimingValid;
ReleaseSRWLockShared(&processor->m_candidateLock);
const uint64_t publishStart = fbRes->GetCopyStart();
uint64_t gpuCopyStart = 0;
uint64_t gpuCopyEnd = 0;
uint64_t indirectCopyTime = 0;
if (processor->m_dx12->IsIndirectCopy())
{
const uint64_t indirectCopyStart = CFrameScheduler::Nanotime();
processor->m_transport->WriteFrameBuffer(
fbRes->GetFrameIndex(), fbRes->GetMap(), 0,
fbRes->GetFrameSize(), false);
indirectCopyTime = CFrameScheduler::Nanotime() - indirectCopyStart;
}
const bool gpuTimingValid =
slot->GetGPUTimes(gpuCopyStart, gpuCopyEnd);
const uint64_t copyReady = CFrameScheduler::Nanotime();
const uint64_t postProcessStart = fbRes->GetPostProcessStart();
uint64_t postProcessTime = prepareCopyStart - postProcessStart;
uint64_t prepareCopyTime = prepareReady - prepareCopyStart;
if (prepareTimingValid && prepareGPUStart >= postProcessStart &&
prepareGPUEnd >= prepareGPUStart && prepareGPUEnd <= prepareReady)
{
postProcessTime = prepareGPUStart - postProcessStart;
prepareCopyTime = prepareGPUEnd - prepareGPUStart;
}
uint64_t publishCopyTime = copyReady - publishStart;
if (gpuTimingValid && gpuCopyStart >= publishStart &&
gpuCopyEnd >= gpuCopyStart && gpuCopyEnd <= copyReady)
publishCopyTime = gpuCopyEnd - gpuCopyStart + indirectCopyTime;
const uint64_t copyTime = prepareCopyTime + publishCopyTime;
processor->m_transport->FinalizeFrameBuffer(fbRes->GetFrameIndex());
const uint64_t publishedAt = CFrameScheduler::Nanotime();
const uint64_t prepareElapsed = prepareReady >= postProcessStart ?
prepareReady - postProcessStart : 0;
const uint64_t prepareMeasured = postProcessTime + prepareCopyTime;
const uint64_t prepareReadyTime = prepareElapsed > prepareMeasured ?
prepareElapsed - prepareMeasured : 0;
const uint64_t publishElapsed = publishedAt >= publishStart ?
publishedAt - publishStart : 0;
const uint64_t publishReadyTime = publishElapsed > publishCopyTime ?
publishElapsed - publishCopyTime : 0;
const uint64_t readyTime = prepareReadyTime + publishReadyTime;
const uint64_t holdTime = publishStart >= prepareReady ?
publishStart - prepareReady : 0;
processor->m_transport->SetFrameTiming(fbRes->GetFrameIndex(),
fbRes->GetCaptureTime(), postProcessTime, copyTime, readyTime, holdTime,
fbRes->GetSchedule(), publishedAt);
processor->m_transport->TryRecordFrameTiming(publishedAt - publishStart);
const uint64_t timingToken = fbRes->GetTimingToken();
if (timingToken && timingStart && prepareReady >= timingStart &&
copyReady >= publishStart)
{
const uint64_t totalTime =
(prepareReady - timingStart) + (copyReady - publishStart);
processor->m_postProcessors[candidateIndex].RecordTiming(
fbRes->GetTimingEffectIndex(), timingToken,
fbRes->IsFullCopy(), totalTime);
}
processor->m_transport->CompleteFrameBuffer(fbRes->GetFrameIndex(), true);
processor->ReleaseCandidate(candidateIndex);
}
bool CHardwareFrameProcessor::Publish(
const CFrameScheduler::Schedule& schedule, bool periodic,
uint64_t publishStart)
{
CPublishPending publishPending(
&m_copySubmitLock, &m_publishPending, m_copySubmitEvent.Get());
CSRWSharedLock pipelineLock(m_pipelineLock);
int selectedCandidate = -1;
uint64_t newestSequence = 0;
AcquireSRWLockExclusive(&m_candidateLock);
for (unsigned i = 0; i < ARRAYSIZE(m_candidates); ++i)
if (m_candidates[i].state == CANDIDATE_READY &&
(selectedCandidate < 0 ||
m_candidates[i].sequence > newestSequence))
{
selectedCandidate = static_cast<int>(i);
newestSequence = m_candidates[i].sequence;
}
if (selectedCandidate >= 0)
m_candidates[static_cast<unsigned>(selectedCandidate)].state =
CANDIDATE_PUBLISHING;
ReleaseSRWLockExclusive(&m_candidateLock);
if (selectedCandidate < 0)
return false;
const unsigned candidateIndex =
static_cast<unsigned>(selectedCandidate);
const auto restoreCandidate = [this, candidateIndex]()
{
AcquireSRWLockExclusive(&m_candidateLock);
if (m_candidates[candidateIndex].state == CANDIDATE_PUBLISHING)
m_candidates[candidateIndex].state = CANDIDATE_READY;
ReleaseSRWLockExclusive(&m_candidateLock);
SignalCandidateState();
};
AcquireSRWLockShared(&m_candidateLock);
const bool candidateValid =
m_candidates[candidateIndex].state == CANDIDATE_PUBLISHING &&
m_candidates[candidateIndex].resource.Get();
ReleaseSRWLockShared(&m_candidateLock);
if (!candidateValid)
{
restoreCandidate();
return false;
}
FrameCandidate& candidate = m_candidates[candidateIndex];
CPostProcessor& postProcessor = m_postProcessors[candidateIndex];
const uint64_t candidateSequence = candidate.sequence;
auto buffer = m_transport->PrepareFrameBuffer(
candidate.pitch, candidate.srcFormat, candidate.dstFormat,
candidate.dirtyRects, candidate.nbDirtyRects, schedule);
if (!buffer.mem)
{
restoreCandidate();
return false;
}
CFrameBufferResource * fbRes =
m_frameBuffers.Get(buffer, candidate.frameSize);
if (!fbRes)
{
m_transport->AbortFrameBuffer(buffer.frameIndex);
restoreCandidate();
DEBUG_ERROR("Failed to get a CFrameBufferResource from the pool");
SetFullDamage();
return false;
}
CD3D12CommandSlot * copySlot = m_dx12->GetCopySlot(candidateIndex);
if (!copySlot)
{
m_transport->AbortFrameBuffer(buffer.frameIndex);
restoreCandidate();
DEBUG_ERROR("Failed to get a copy CommandSlot for publication");
SetFullDamage();
return false;
}
RECT previousDirtyRects[LG_MAX_DIRTY_RECTS] = {};
unsigned nbPreviousDirtyRects = 0;
GetPreviousDamage(previousDirtyRects, &nbPreviousDirtyRects);
RECT copyDirtyRects[LG_MAX_DIRTY_RECTS * 2] = {};
unsigned nbCopyDirtyRects = 0;
const bool fullCopy = CFrameProcessorUtil::BuildCopyDamage(
postProcessor, buffer.fullCopy,
previousDirtyRects, nbPreviousDirtyRects,
candidate.dirtyRects, candidate.nbDirtyRects,
candidate.dstFormat.width, candidate.dstFormat.height,
copyDirtyRects, &nbCopyDirtyRects);
fbRes->SetTiming(
candidate.captureTime, candidate.postProcessStart, publishStart);
fbRes->SetCandidateIndex(candidateIndex);
fbRes->SetPostProcessSample(
candidate.timingEffectIndex, candidate.timingToken, fullCopy);
copySlot->SetCompletionCallback(&CompletionFunction, this, fbRes);
copySlot->BeginTiming();
postProcessor.CopyFromCandidate(
copySlot->GetGfxList(), fbRes->Get().Get(), candidate.resource.Get(),
copyDirtyRects, nbCopyDirtyRects, fullCopy);
copySlot->EndTiming();
bool deliveredToOwner;
if (!m_transport->PublishFrameBuffer(
buffer.frameIndex, schedule, deliveredToOwner))
{
copySlot->Cancel();
m_transport->AbortFrameBuffer(buffer.frameIndex);
restoreCandidate();
return false;
}
CFrameScheduler::Schedule frameSchedule = schedule;
if (!deliveredToOwner ||
!m_transport->TryFrameSubmitted(buffer.frameIndex, schedule))
frameSchedule.phaseEligible = false;
fbRes->SetSchedule(frameSchedule);
AcquireSRWLockExclusive(&m_damageLock);
if (candidate.nbDirtyRects)
memcpy(m_previousDamage, candidate.dirtyRects,
candidate.nbDirtyRects * sizeof(*m_previousDamage));
m_previousDamageCount = candidate.nbDirtyRects;
CandidateDamageTail& tail = m_candidateDamageTail[candidateIndex];
if (tail.active && tail.ownerSequence == candidateSequence)
{
m_hasPendingDamage = tail.hasDamage;
m_pendingDamageCount = tail.nbDirtyRects;
if (tail.hasDamage && tail.nbDirtyRects)
memcpy(m_pendingDamage, tail.dirtyRects,
tail.nbDirtyRects * sizeof(*m_pendingDamage));
tail.ownerSequence = 0;
tail.active = false;
}
ReleaseSRWLockExclusive(&m_damageLock);
const bool submitted = copySlot->Execute();
publishPending.Clear();
if (!submitted)
{
SetFullDamage();
AcquireSRWLockShared(&m_candidateLock);
const bool callbackPending =
candidate.state == CANDIDATE_PUBLISHING;
ReleaseSRWLockShared(&m_candidateLock);
if (callbackPending && !copySlot->HasSubmittedWork())
{
m_transport->FailFrameBuffer(buffer.frameIndex);
ReleaseCandidate(candidateIndex);
}
m_transport->ForceFrame();
SignalCandidateState();
return false;
}
m_transport->CommitFrameBuffer(
buffer.frameIndex, schedule, periodic, deliveredToOwner);
unsigned superseded = 0;
AcquireSRWLockExclusive(&m_candidateLock);
for (FrameCandidate& ready : m_candidates)
if (ready.state == CANDIDATE_READY &&
ready.sequence < candidateSequence)
{
ready.state = CANDIDATE_FREE;
++superseded;
}
ReleaseSRWLockExclusive(&m_candidateLock);
for (unsigned i = 0; i < superseded; ++i)
m_transport->FrameSuperseded();
SignalCandidateState();
return true;
}
bool CHardwareFrameProcessor::Submit(const FrameSubmission& submission)
{
int selectedCandidate = AcquireCandidate(
submission.timingToken != 0, !submission.noImageUpdate);
while (selectedCandidate < 0 && submission.noImageUpdate)
{
HANDLE waitHandles[] =
{
m_terminateEvent,
m_candidateAvailableEvent.Get(),
};
const DWORD waitResult = WaitForMultipleObjects(
ARRAYSIZE(waitHandles), waitHandles, FALSE, INFINITE);
if (waitResult == WAIT_OBJECT_0)
return true;
if (waitResult != WAIT_OBJECT_0 + 1)
{
DEBUG_ERROR_HR(HRESULT_FROM_WIN32(GetLastError()),
"Failed while waiting for a frame candidate");
return false;
}
selectedCandidate = AcquireCandidate(
submission.timingToken != 0, false);
}
if (selectedCandidate < 0)
{
m_transport->FrameSuperseded();
return true;
}
const unsigned candidateIndex =
static_cast<unsigned>(selectedCandidate);
FrameCandidate& candidate = m_candidates[candidateIndex];
CSRWSharedLock pipelineLock(m_pipelineLock);
CPostProcessor& postProcessor = m_postProcessors[candidateIndex];
const D12FrameFormat& dstFormat = postProcessor.GetOutputFormat();
RECT currentDirtyRects[LG_MAX_DIRTY_RECTS] = {};
unsigned nbDirtyRects = 0;
AcquireSRWLockExclusive(&m_damageLock);
if (m_hasPendingDamage)
{
nbDirtyRects = m_pendingDamageCount;
if (nbDirtyRects)
memcpy(currentDirtyRects, m_pendingDamage,
nbDirtyRects * sizeof(*currentDirtyRects));
}
CandidateDamageTail& tail = m_candidateDamageTail[candidateIndex];
tail.ownerSequence = candidate.sequence;
tail.nbDirtyRects = 0;
tail.hasDamage = false;
tail.active = true;
ReleaseSRWLockExclusive(&m_damageLock);
CD3D12CommandSlot * copySlot = m_dx12->GetCopySlot(candidateIndex);
if (!copySlot)
{
ReleaseCandidate(candidateIndex);
DEBUG_ERROR("Failed to get a copy CommandSlot");
SetFullDamage();
return false;
}
const uint64_t timingStart = submission.timingToken ?
CFrameScheduler::Nanotime() : 0;
ComPtr<ID3D12Resource> copySrcResource =
submission.source->GetRes();
CD3D12CommandSlot * computeSlot = nullptr;
if (postProcessor.HasActiveEffects())
{
computeSlot = m_dx12->GetComputeSlot(candidateIndex);
if (!computeSlot)
{
copySlot->Cancel();
ReleaseCandidate(candidateIndex);
DEBUG_ERROR("Failed to get a compute CommandSlot");
SetFullDamage();
return false;
}
}
if (!submission.source->Signal())
{
if (computeSlot)
computeSlot->Cancel();
copySlot->Cancel();
ReleaseCandidate(candidateIndex);
SetFullDamage();
return false;
}
if (computeSlot)
{
if (!submission.source->Sync(*computeSlot))
{
computeSlot->Cancel();
copySlot->Cancel();
ReleaseCandidate(candidateIndex);
SetFullDamage();
return false;
}
copySrcResource = postProcessor.Run(
computeSlot->GetGfxList(), copySrcResource,
currentDirtyRects, &nbDirtyRects);
if (!copySrcResource)
{
computeSlot->Cancel();
copySlot->Cancel();
ReleaseCandidate(candidateIndex);
DEBUG_ERROR("Post processor returned no output resource");
SetFullDamage();
return false;
}
if (!computeSlot->Execute())
{
copySlot->Cancel();
m_dx12->WaitForIdle();
ReleaseCandidate(candidateIndex);
SetFullDamage();
return false;
}
if (!copySlot->WaitFor(*computeSlot))
{
copySlot->Cancel();
m_dx12->WaitForIdle();
ReleaseCandidate(candidateIndex);
DEBUG_ERROR("Failed to queue compute synchronization");
SetFullDamage();
return false;
}
}
else if (!submission.source->Sync(*copySlot))
{
copySlot->Cancel();
ReleaseCandidate(candidateIndex);
DEBUG_ERROR("Failed to queue source synchronization");
SetFullDamage();
return false;
}
CFrameProcessorUtil::ClipDirtyRects(
currentDirtyRects, &nbDirtyRects,
dstFormat.width, dstFormat.height);
const size_t frameSize = postProcessor.GetOutputSize();
if (!EnsureCandidateResource(candidateIndex, frameSize))
{
copySlot->Cancel();
if (computeSlot)
m_dx12->WaitForIdle();
ReleaseCandidate(candidateIndex);
SetFullDamage();
return false;
}
candidate.srcFormat = submission.sourceFormat;
candidate.dstFormat = dstFormat;
candidate.nbDirtyRects = nbDirtyRects;
candidate.pitch = postProcessor.GetOutputPitch();
candidate.frameSize = frameSize;
candidate.captureTime = submission.captureTime;
candidate.postProcessStart = submission.postProcessStart;
candidate.prepareCopyStart = CFrameScheduler::Nanotime();
candidate.prepareReady = 0;
candidate.prepareGPUStart = 0;
candidate.prepareGPUEnd = 0;
candidate.timingStart = timingStart;
candidate.prepareTimingValid = false;
if (nbDirtyRects)
memcpy(candidate.dirtyRects, currentDirtyRects,
nbDirtyRects * sizeof(*candidate.dirtyRects));
candidate.timingEffectIndex = submission.timingEffectIndex;
candidate.timingToken = submission.timingToken;
copySlot->SetCompletionCallback(
&CandidateCompletionFunction, this, &candidate);
copySlot->BeginTiming();
postProcessor.CopyToCandidate(
copySlot->GetGfxList(), candidate.resource.Get(),
copySrcResource.Get());
copySlot->EndTiming();
if (!ExecuteCandidateCopy(copySlot))
{
if (!copySlot->HasSubmittedWork())
{
if (computeSlot)
m_dx12->WaitForIdle();
ReleaseCandidate(candidateIndex);
}
SetFullDamage();
m_transport->ForceFrame();
return false;
}
return true;
}