UnorderedAccessView::UnorderedAccessView(UnderlyingResource resource, NativeFormat::Enum format, unsigned mipSlice, bool appendBuffer, bool forceArray)
{
if (!resource) {
Throw(::Exceptions::BasicLabel("NULL resource passed to UnorderedAccessView constructor"));
}
intrusive_ptr<ID3D::UnorderedAccessView> view = nullptr;
if (format == NativeFormat::Unknown && mipSlice == 0 && !appendBuffer && !forceArray) {
view = ObjectFactory(*resource).CreateUnorderedAccessView(resource);
} else {
D3D11_UNORDERED_ACCESS_VIEW_DESC viewDesc;
viewDesc.Format = AsDXGIFormat(format);
TextureDesc2D textureDesc(resource);
if (textureDesc.Width > 0) {
if (textureDesc.ArraySize > 1 || forceArray) {
viewDesc.ViewDimension = D3D11_UAV_DIMENSION_TEXTURE2DARRAY;
viewDesc.Texture2DArray.MipSlice = mipSlice;
viewDesc.Texture2DArray.FirstArraySlice = 0;
viewDesc.Texture2DArray.ArraySize = textureDesc.ArraySize;
} else {
viewDesc.ViewDimension = D3D11_UAV_DIMENSION_TEXTURE2D;
viewDesc.Texture2D.MipSlice = mipSlice;
}
} else {
TextureDesc3D t3dDesc(resource);
if (t3dDesc.Width > 0) {
viewDesc.ViewDimension = D3D11_UAV_DIMENSION_TEXTURE3D;
viewDesc.Texture3D.MipSlice = mipSlice;
viewDesc.Texture3D.FirstWSlice = 0;
viewDesc.Texture3D.WSize = (UINT)-1;
} else {
TextureDesc1D t1dDesc(resource);
if (t1dDesc.Width > 0) {
viewDesc.ViewDimension = D3D11_UAV_DIMENSION_TEXTURE1D;
viewDesc.Texture1D.MipSlice = mipSlice;
} else {
D3DBufferDesc bufferDesc(resource);
viewDesc.ViewDimension = D3D11_UAV_DIMENSION_BUFFER;
viewDesc.Buffer.FirstElement = 0;
viewDesc.Buffer.NumElements = bufferDesc.StructureByteStride ? (bufferDesc.ByteWidth/bufferDesc.StructureByteStride) : bufferDesc.ByteWidth;
viewDesc.Buffer.Flags = appendBuffer ? D3D11_BUFFER_UAV_FLAG_APPEND : 0;
}
}
}
view = ObjectFactory(*resource).CreateUnorderedAccessView(resource, &viewDesc);
}
_underlying = std::move(view);
}
DepthStencilView::DepthStencilView(
UnderlyingResource resource,
NativeFormat::Enum format, const SubResourceSlice& arraySlice)
{
if (!resource) {
Throw(::Exceptions::BasicLabel("NULL resource passed to DepthStencilView constructor"));
}
intrusive_ptr<ID3D::DepthStencilView> view;
if (format == NativeFormat::Unknown) {
view = ObjectFactory(*resource).CreateDepthStencilView(resource);
} else {
TextureDesc2D textureDesc(resource);
D3D11_DEPTH_STENCIL_VIEW_DESC viewDesc;
viewDesc.Format = AsDXGIFormat(format);
viewDesc.Flags = 0;
if (arraySlice._arraySize == 0) {
if (textureDesc.SampleDesc.Count > 1) {
viewDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2DMS;
} else {
viewDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
viewDesc.Texture2D.MipSlice = 0;
}
} else {
if (textureDesc.SampleDesc.Count > 1) {
viewDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2DMSARRAY;
viewDesc.Texture2DMSArray.ArraySize = arraySlice._arraySize;
viewDesc.Texture2DMSArray.FirstArraySlice = arraySlice._firstArraySlice;
} else {
viewDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2DARRAY;
viewDesc.Texture2DArray.ArraySize = arraySlice._arraySize;
viewDesc.Texture2DArray.FirstArraySlice = arraySlice._firstArraySlice;
viewDesc.Texture2DArray.MipSlice = 0;
}
}
view = ObjectFactory(*resource).CreateDepthStencilView(resource, &viewDesc);
}
_underlying = std::move(view);
}
void DeviceContext::Bind(const IndexBuffer& ib, NativeFormat::Enum indexFormat, unsigned offset)
{
_underlying->IASetIndexBuffer(ib.GetUnderlying(), AsDXGIFormat(indexFormat), offset);
}
