Hi, all, I got some questions about using sharpdx texture creation API.
1. I haven't find an API D3D11CalcSubresource mapping in sharpdx, even it's merely a very simple calculation that I can write one line myself, just want to know is it somewhere existed in sharpdx?
2. I have 3 classes called DX11Texture1D, DX11Texture2D, DX11Texture3D,
I have a class which host initial data for texture
[color="blue"]public [color="blue"]struct [color="#2b91af"]ElementInitData
{
[color="blue"]public System.[color="#2b91af"]IntPtr data;
[color="blue"]public [color="blue"]uint row_pitch;
[color="blue"]public [color="blue"]uint slice_pitch;
}
in directx11, it's like D3D11_SUBRESOURCE_DATA.
in DX11Texture3D constructor
...
[color="#2b91af"] DataBox[] subres_data = [color="blue"]null;
[color="blue"]if (init_data != [color="blue"]null)
{
subres_data = [color="blue"]new [color="#2b91af"]DataBox[num_mip_maps_];
[color="blue"]for ([color="blue"]uint i = 0; i < num_mip_maps_; ++i)
{
subres_data.DataPointer = init_data.data;
subres_data.RowPitch = ([color="blue"]int)init_data.row_pitch;
subres_data.SlicePitch = ([color="blue"]int)init_data.slice_pitch;
}
}
d3dTexture3D_ = [color="blue"]new [color="#2b91af"]Texture3D([color="#2b91af"]DX11RenderFactory.Instance.D3DDevice, desc_, subres_data);

in DX11Texture2D constructor:
...

[color="#2b91af"] DataRectangle[] subres_data = [color="blue"]null;
[color="blue"]if (init_data != [color="blue"]null)
{
[color="blue"]uint numRectangles = array_size_ * num_mip_maps_;
subres_data = [color="blue"]new [color="#2b91af"]DataRectangle[numRectangles];
[color="blue"]for ([color="blue"]uint j = 0; j < array_size_; ++j)
{
[color="blue"]for ([color="blue"]uint i = 0; i < num_mip_maps_; ++i)
{
subres_data[j * num_mip_maps_ + i].DataPointer = init_data[j * num_mip_maps_ + i].data;
subres_data[j * num_mip_maps_ + i].Pitch = ([color="blue"]int)init_data[j * num_mip_maps_ + i].row_pitch * ([color="blue"]int)init_data[j * num_mip_maps_ + i].slice_pitch; } }
}
d3dTexture2D_ = [color="blue"]new [color="#2b91af"]Texture2D([color="#2b91af"]DX11RenderFactory.Instance.D3DDevice, desc_, subres_data);in DX11Texture1D constructor
[color="#2b91af"] ....
DataStream[] subres_data = [color="blue"]null;
[color="blue"]if (init_data != [color="blue"]null)
{
[color="blue"]uint numStreams = array_size_ * num_mip_maps_;
subres_data = [color="blue"]new [color="#2b91af"]DataStream[numStreams];
[color="blue"]for ([color="blue"]uint j = 0; j < array_size_; ++j)
{
[color="blue"]for ([color="blue"]uint i = 0; i < num_mip_maps_; ++i)
{
subres_data[j * num_mip_maps_ + i] = [color="blue"]new [color="#2b91af"]DataStream(init_data[j * num_mip_maps_ + i].data, ([color="blue"]int)init_data[j * num_mip_maps_ + i].row_pitch, [color="blue"]true, [color="blue"]true);
}
}
}
d3dTexture1D_ = [color="blue"]new [color="#2b91af"]Texture1D([color="#2b91af"]DX11RenderFactory.Instance.D3DDevice, desc_, subres_data);
...
is this correct? the problem I found is in Texture3D creation, even subres_data == null, it will create one success, however in Texture1D, if subres_data == null
it will give me an exception saying object is null. And for Texture1D I don't know how to assign DataPointer as 2d or 3d, so I have to call a new constructor for
every data stream in the array. Any suggestions for this?