90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
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#include "DynamicBuffer.h"
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#include "GPUDevice.h"
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#include "Engine/Core/Log.h"
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#include "Engine/Core/Utilities.h"
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#include "Engine/Threading/Threading.h"
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DynamicBuffer::DynamicBuffer(uint32 initialCapacity, uint32 stride, const String& name)
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: _buffer(nullptr)
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, _name(name)
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, _stride(stride)
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, Data(initialCapacity)
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{
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}
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DynamicBuffer::~DynamicBuffer()
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{
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SAFE_DELETE_GPU_RESOURCE(_buffer);
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}
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void DynamicBuffer::Flush()
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{
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// Check if has sth to flush
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const uint32 size = Data.Count();
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if (size > 0)
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{
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// Check if has no buffer
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if (_buffer == nullptr)
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_buffer = GPUDevice::Instance->CreateBuffer(_name);
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// Check if need to resize buffer
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if (_buffer->GetSize() < size)
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{
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const uint32 numElements = Math::AlignUp<uint32>(static_cast<uint32>((size / _stride) * 1.3f), 32);
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GPUBufferDescription desc;
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InitDesc(desc, numElements);
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if (_buffer->Init(desc))
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{
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LOG(Fatal, "Cannot setup dynamic buffer '{0}'! Size: {1}", _name, Utilities::BytesToText(size));
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return;
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}
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}
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// Upload data to the buffer
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if (IsInMainThread() && GPUDevice::Instance->IsRendering())
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{
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GPUDevice::Instance->GetMainContext()->UpdateBuffer(_buffer, Data.Get(), size);
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}
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else
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{
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_buffer->SetData(Data.Get(), size);
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}
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}
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}
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void DynamicBuffer::Flush(GPUContext* context)
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{
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// Check if has sth to flush
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const uint32 size = Data.Count();
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if (size > 0)
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{
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// Check if has no buffer
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if (_buffer == nullptr)
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_buffer = GPUDevice::Instance->CreateBuffer(_name);
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// Check if need to resize buffer
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if (_buffer->GetSize() < size)
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{
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const uint32 numElements = Math::AlignUp<uint32>(static_cast<uint32>((size / _stride) * 1.3f), 32);
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GPUBufferDescription desc;
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InitDesc(desc, numElements);
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if (_buffer->Init(desc))
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{
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LOG(Fatal, "Cannot setup dynamic buffer '{0}'! Size: {1}", _name, Utilities::BytesToText(size));
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return;
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}
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}
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// Upload data to the buffer
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context->UpdateBuffer(_buffer, Data.Get(), size);
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}
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}
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void DynamicBuffer::Dispose()
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{
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SAFE_DELETE_GPU_RESOURCE(_buffer);
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Data.Resize(0);
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}
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