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Optimize draw calls sorting and objects buffer building to be async

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This commit is contained in:
Wojtek Figat
2024-07-02 16:07:09 +02:00
parent 567d5f70ab
commit 6fbf4a6aac
3 changed files with 76 additions and 36 deletions
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32
Source/Engine/Renderer/RenderList.cpp
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@@ -26,12 +26,7 @@ static_assert(sizeof(ShaderObjectData) == sizeof(Float4) * ARRAY_COUNT(ShaderObj
namespace
{
// Cached data for the draw calls sorting
Array<uint64> SortingKeys[2];
Array<int32> SortingIndices;
Array<DrawBatch> SortingBatches;
Array<RenderList*> FreeRenderList;
Array<Pair<void*, uintptr>> MemPool;
CriticalSection MemPoolLocker;
}
@@ -199,12 +194,15 @@ void RendererAllocation::Free(void* ptr, uintptr size)
RenderList* RenderList::GetFromPool()
{
MemPoolLocker.Lock();
if (FreeRenderList.HasItems())
{
const auto result = FreeRenderList.Last();
FreeRenderList.RemoveLast();
MemPoolLocker.Unlock();
return result;
}
MemPoolLocker.Unlock();
return New<RenderList>();
}
@@ -213,10 +211,12 @@ void RenderList::ReturnToPool(RenderList* cache)
{
if (!cache)
return;
cache->Clear();
MemPoolLocker.Lock();
ASSERT(!FreeRenderList.Contains(cache));
FreeRenderList.Add(cache);
cache->Clear();
MemPoolLocker.Unlock();
}
void RenderList::CleanupCache()
@@ -224,13 +224,12 @@ void RenderList::CleanupCache()
// Don't call it during rendering (data may be already in use)
ASSERT(GPUDevice::Instance == nullptr || GPUDevice::Instance->CurrentTask == nullptr);
SortingKeys[0].Resize(0);
SortingKeys[1].Resize(0);
SortingIndices.Resize(0);
MemPoolLocker.Lock();
FreeRenderList.ClearDelete();
for (auto& e : MemPool)
Platform::Free(e.First);
MemPool.Clear();
MemPoolLocker.Unlock();
}
bool RenderList::BlendableSettings::operator<(const BlendableSettings& other) const
@@ -648,12 +647,12 @@ void RenderList::SortDrawCalls(const RenderContext& renderContext, bool reverseD
const int32 listSize = list.Indices.Count();
ZoneValue(listSize);
// Peek shared memory
#define PREPARE_CACHE(list) (list).Clear(); (list).Resize(listSize)
PREPARE_CACHE(SortingKeys[0]);
PREPARE_CACHE(SortingKeys[1]);
PREPARE_CACHE(SortingIndices);
#undef PREPARE_CACHE
// Use shared memory from renderer allocator
Array<uint64, RendererAllocation> SortingKeys[2];
Array<int32, RendererAllocation> SortingIndices;
SortingKeys[0].Resize(listSize);
SortingKeys[1].Resize(listSize);
SortingIndices.Resize(listSize);
uint64* sortedKeys = SortingKeys[0].Get();
// Setup sort keys
@@ -726,7 +725,8 @@ void RenderList::SortDrawCalls(const RenderContext& renderContext, bool reverseD
if (stable)
{
// Sort draw calls batches by depth
Sorting::MergeSort(list.Batches, &SortingBatches);
Array<DrawBatch, RendererAllocation> sortingBatches;
Sorting::MergeSort(list.Batches, &sortingBatches);
}
}