internal static RwTexId CreateShadowmapArray(int width, int height, int arraySize,
Format resourceFormat = Format.R24G8_Typeless,
Format depthFormat = Format.D24_UNorm_S8_UInt,
Format? viewFormat = Format.R24_UNorm_X8_Typeless,
string debugName = null)
{
Texture2DDescription desc = new Texture2DDescription();
desc.Width = width;
desc.Height = height;
desc.Format = resourceFormat;
desc.ArraySize = arraySize;
desc.MipLevels = 1;
desc.BindFlags = BindFlags.DepthStencil;
if (viewFormat.HasValue)
{
desc.BindFlags |= BindFlags.ShaderResource;
}
desc.Usage = ResourceUsage.Default;
desc.CpuAccessFlags = 0;
desc.SampleDescription.Count = 1;
desc.SampleDescription.Quality = 0;
desc.OptionFlags = 0;
var handle = new RwTexId { Index = Textures.Allocate() };
var res = new Texture2D(MyRender11.Device, desc);
Textures.Data[handle.Index] = new MyRwTextureInfo { Description2D = desc, Resource = res };
Index.Add(handle);
var srvDesc = new ShaderResourceViewDescription();
if(viewFormat.HasValue)
{
srvDesc.Dimension = ShaderResourceViewDimension.Texture2DArray;
srvDesc.Format = viewFormat.Value;
srvDesc.Texture2DArray.MipLevels = -1;
srvDesc.Texture2DArray.MostDetailedMip = 0;
srvDesc.Texture2DArray.ArraySize = arraySize;
srvDesc.Texture2DArray.FirstArraySlice = 0;
Srvs[handle] = new MySrvInfo { Description = srvDesc, View = new ShaderResourceView(MyRender11.Device, res, srvDesc) };
}
var dsvDesc = new DepthStencilViewDescription();
dsvDesc.Dimension = DepthStencilViewDimension.Texture2DArray;
dsvDesc.Format = depthFormat;
dsvDesc.Flags = DepthStencilViewFlags.None;
dsvDesc.Texture2DArray.MipSlice = 0;
dsvDesc.Texture2DArray.ArraySize = 1;
srvDesc.Dimension = ShaderResourceViewDimension.Texture2DArray;
srvDesc.Format = viewFormat.Value;
srvDesc.Texture2DArray.MipLevels = -1;
srvDesc.Texture2DArray.MostDetailedMip = 0;
srvDesc.Texture2DArray.ArraySize = 1;
for (int i = 0; i < arraySize; i++)
{
dsvDesc.Texture2DArray.FirstArraySlice = i;
SubresourceDsvs[new MySubresourceId { Id = handle, Subresource = i }] = new MyDsvInfo
{
Description = dsvDesc,
View = new DepthStencilView(MyRender11.Device, res, dsvDesc)
};
srvDesc.Texture2DArray.FirstArraySlice = i;
SubresourceSrvs[new MySubresourceId { Id = handle, Subresource = i }] = new MySrvInfo
{
Description = srvDesc,
View = new ShaderResourceView(MyRender11.Device, res, srvDesc)
};
}
return handle;
}
internal static RwTexId CreateShadowmap(int width, int height)
{
Texture2DDescription desc = new Texture2DDescription();
desc.Width = width;
desc.Height = height;
desc.Format = Format.R24G8_Typeless;
desc.ArraySize = 1;
desc.MipLevels = 1;
desc.BindFlags = BindFlags.DepthStencil | BindFlags.ShaderResource;
desc.Usage = ResourceUsage.Default;
desc.CpuAccessFlags = 0;
desc.SampleDescription.Count = 1;
desc.SampleDescription.Quality = 0;
desc.OptionFlags = 0;
var handle = new RwTexId { Index = Textures.Allocate() };
var res = new Texture2D(MyRender11.Device, desc);
Textures.Data[handle.Index] = new MyRwTextureInfo { Description2D = desc, Resource = res };
Index.Add(handle);
ShaderResourceViewDescription srvDesc = new ShaderResourceViewDescription();
srvDesc.Dimension = ShaderResourceViewDimension.Texture2D;
srvDesc.Format = Format.R24_UNorm_X8_Typeless;
srvDesc.Texture2D.MipLevels = -1;
srvDesc.Texture2D.MostDetailedMip = 0;
Srvs[handle] = new MySrvInfo { Description = srvDesc, View = new ShaderResourceView(MyRender11.Device, res, srvDesc) };
DepthStencilViewDescription dsvDesc = new DepthStencilViewDescription();
dsvDesc.Dimension = DepthStencilViewDimension.Texture2D;
dsvDesc.Format = Format.D24_UNorm_S8_UInt;
dsvDesc.Flags = DepthStencilViewFlags.None;
dsvDesc.Texture2D.MipSlice = 0;
Dsvs[handle] = new MyDsvInfo { Description = dsvDesc, View = new DepthStencilView(MyRender11.Device, res, dsvDesc) };
return handle;
}