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Add GPUDevice::CreateConstantBuffer for custom constants buffers usage

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This commit is contained in:
Wojtek Figat
2022-11-26 21:17:05 +01:00
parent 39dc439cd8
commit 189575efec
20 changed files with 73 additions and 91 deletions
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25
Source/Engine/GraphicsDevice/DirectX/DX11/GPUDeviceDX11.cpp
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@@ -701,4 +701,29 @@ GPUSwapChain* GPUDeviceDX11::CreateSwapChain(Window* window)
return New<GPUSwapChainDX11>(this, window);
}
GPUConstantBuffer* GPUDeviceDX11::CreateConstantBuffer(uint32 size, const StringView& name)
{
ID3D11Buffer* buffer = nullptr;
uint32 memorySize = 0;
if (size)
{
// Create buffer
D3D11_BUFFER_DESC cbDesc;
cbDesc.ByteWidth = Math::AlignUp<uint32>(size, 16);
cbDesc.Usage = D3D11_USAGE_DEFAULT;
cbDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
cbDesc.CPUAccessFlags = 0;
cbDesc.MiscFlags = 0;
cbDesc.StructureByteStride = 0;
const HRESULT result = _device->CreateBuffer(&cbDesc, nullptr, &buffer);
if (FAILED(result))
{
LOG_DIRECTX_RESULT(result);
return nullptr;
}
memorySize = cbDesc.ByteWidth;
}
return New<GPUConstantBufferDX11>(this, size, memorySize, buffer, name);
}
#endif