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Add api to force refresh streaming

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This commit is contained in:
Wojtek Figat
2021-06-18 11:57:08 +02:00
parent a7f018a4da
commit 47da355878
4 changed files with 58 additions and 153 deletions
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57
Source/Engine/Streaming/Streaming.cpp
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@@ -14,8 +14,9 @@
namespace StreamingManagerImpl
{
DateTime LastUpdateTime(0);
CriticalSection UpdateLocker;
int32 LastUpdateResourcesIndex = 0;
CriticalSection ResourcesLock;
Array<StreamableResource*> Resources;
}
using namespace StreamingManagerImpl;
@@ -33,7 +34,6 @@ public:
StreamingManagerService StreamingManagerServiceInstance;
StreamableResourcesCollection Streaming::Resources;
Array<TextureGroup, InlinedAllocation<32>> Streaming::TextureGroups;
void StreamingSettings::Apply()
@@ -46,6 +46,44 @@ void StreamingSettings::Deserialize(DeserializeStream& stream, ISerializeModifie
DESERIALIZE(TextureGroups);
}
StreamableResource::StreamableResource(StreamingGroup* group)
: _group(group)
, _isDynamic(true)
, _isStreaming(false)
, _streamingQuality(1.0f)
{
ASSERT(_group != nullptr);
}
StreamableResource::~StreamableResource()
{
StopStreaming();
}
void StreamableResource::StartStreaming(bool isDynamic)
{
_isDynamic = isDynamic;
if (!_isStreaming)
{
_isStreaming = true;
ResourcesLock.Lock();
Resources.Add(this);
ResourcesLock.Unlock();
}
}
void StreamableResource::StopStreaming()
{
if (_isStreaming)
{
ResourcesLock.Lock();
Resources.Remove(this);
ResourcesLock.Unlock();
Streaming = StreamingCache();
_isStreaming = false;
}
}
void UpdateResource(StreamableResource* resource, DateTime now)
{
ASSERT(resource && resource->CanBeUpdated());
@@ -143,7 +181,8 @@ void StreamingManagerService::Update()
// Check if skip update
auto now = DateTime::NowUTC();
auto delta = now - LastUpdateTime;
int32 resourcesCount = Streaming::Resources.ResourcesCount();
ScopeLock lock(ResourcesLock);
const int32 resourcesCount = Resources.Count();
if (resourcesCount == 0 || delta < ManagerUpdatesInterval || GPUDevice::Instance->GetState() != GPUDevice::DeviceState::Ready)
return;
LastUpdateTime = now;
@@ -151,7 +190,6 @@ void StreamingManagerService::Update()
PROFILE_CPU();
// Start update
ScopeLock lock(UpdateLocker);
int32 resourcesUpdates = Math::Min(MaxResourcesPerUpdate, resourcesCount);
// Update high priority queue and then rest of the resources
@@ -165,7 +203,7 @@ void StreamingManagerService::Update()
LastUpdateResourcesIndex = 0;
// Peek resource
const auto resource = Streaming::Resources[LastUpdateResourcesIndex];
const auto resource = Resources[LastUpdateResourcesIndex];
// Try to update it
if (now - resource->Streaming.LastUpdate >= ResourceUpdatesInterval && resource->CanBeUpdated())
@@ -177,3 +215,12 @@ void StreamingManagerService::Update()
// TODO: add StreamingManager stats, update time per frame, updates per frame, etc.
}
void Streaming::RequestStreamingUpdate()
{
PROFILE_CPU();
ResourcesLock.Lock();
for (auto e : Resources)
e->RequestStreamingUpdate();
ResourcesLock.Unlock();
}