// has 6 rtv subresources and mipLevels * 6 srv/uav subresources
internal static RwTexId CreateCubemap(int resolution, Format resourceFormat, string debugName = null)
{
int mipLevels = 1;
while ((resolution >> mipLevels) > 0)
{
++mipLevels;
}
var desc = new Texture2DDescription
{
ArraySize = 6,
BindFlags = BindFlags.ShaderResource | BindFlags.RenderTarget | BindFlags.UnorderedAccess,
CpuAccessFlags = CpuAccessFlags.None,
Format = resourceFormat,
MipLevels = mipLevels,
Usage = ResourceUsage.Default,
Width = resolution,
Height = resolution,
OptionFlags = ResourceOptionFlags.TextureCube,
SampleDescription = new SampleDescription(1, 0)
};
var handle = new RwTexId { Index = Textures.Allocate() };
Textures.Data[handle.Index] = new MyRwTextureInfo { Description2D = desc };
Textures.Data[handle.Index].Resource = new Texture2D(MyRender11.Device, desc);
var res = Textures.Data[handle.Index].Resource;
Srvs[handle] = new MySrvInfo { Description = null, View = new ShaderResourceView(MyRender11.Device, Textures.Data[handle.Index].Resource) };
Index.Add(handle);
var srvDesc = new ShaderResourceViewDescription();
srvDesc.Dimension = ShaderResourceViewDimension.Texture2DArray;
srvDesc.Format = resourceFormat;
srvDesc.Texture2DArray.MipLevels = 1;
srvDesc.Texture2DArray.ArraySize = 1;
var uavDesc = new UnorderedAccessViewDescription();
uavDesc.Dimension = UnorderedAccessViewDimension.Texture2DArray;
uavDesc.Format = resourceFormat;
uavDesc.Texture2DArray.ArraySize = 1;
for (int m = 0; m < mipLevels; ++m)
{
for (int i = 0; i < 6; i++)
{
var subresource = i * mipLevels + m;
srvDesc.Texture2DArray.FirstArraySlice = i;
srvDesc.Texture2DArray.MostDetailedMip = m;
SubresourceSrvs[new MySubresourceId { Id = handle, Subresource = subresource }] = new MySrvInfo
{
Description = srvDesc,
View = new ShaderResourceView(MyRender11.Device, res, srvDesc)
};
uavDesc.Texture2DArray.FirstArraySlice = i;
uavDesc.Texture2DArray.MipSlice = m;
SubresourceUavs[new MySubresourceId { Id = handle, Subresource = subresource }] = new MyUavInfo
{
Description = uavDesc,
View = new UnorderedAccessView(MyRender11.Device, res, uavDesc)
};
}
}
var rtvDesc = new RenderTargetViewDescription();
rtvDesc.Dimension = RenderTargetViewDimension.Texture2DArray;
rtvDesc.Format = resourceFormat;
for (int i = 0; i < 6; i++)
{
rtvDesc.Texture2DArray.MipSlice = 0;
rtvDesc.Texture2DArray.FirstArraySlice = i;
rtvDesc.Texture2DArray.ArraySize = 1;
SubresourceRtvs[new MySubresourceId { Id = handle, Subresource = i }] = new MyRtvInfo
{
Description = rtvDesc,
View = new RenderTargetView(MyRender11.Device, res, rtvDesc)
};
}
return handle;
}
internal static RwTexId CreateUav2D(int width, int height, Format resourceFormat, string debugName = null)
{
var desc = new Texture2DDescription
{
ArraySize = 1,
BindFlags = BindFlags.ShaderResource | BindFlags.UnorderedAccess,
CpuAccessFlags = CpuAccessFlags.None,
Format = resourceFormat,
MipLevels = 1,
Usage = ResourceUsage.Default,
Width = width,
Height = height,
SampleDescription = new SampleDescription(1, 0)
};
var handle = new RwTexId { Index = Textures.Allocate() };
Textures.Data[handle.Index] = new MyRwTextureInfo { Description2D = desc };
Textures.Data[handle.Index].Resource = new Texture2D(MyRender11.Device, desc);
Srvs[handle] = new MySrvInfo { Description = null, View = new ShaderResourceView(MyRender11.Device, Textures.Data[handle.Index].Resource) };
Uavs[handle] = new MyUavInfo { Description = null, View = new UnorderedAccessView(MyRender11.Device, Textures.Data[handle.Index].Resource) };
Index.Add(handle);
return handle;
}