public D3D11TextureView(Device device, ref TextureViewDescription description)
: base(ref description)
{
D3D11Texture d3dTex = Util.AssertSubtype <Texture, D3D11Texture>(description.Target);
if (BaseMipLevel == 0 && MipLevels == Target.MipLevels ||
BaseArrayLayer == 0 && ArrayLayers == Target.ArrayLayers)
{
ShaderResourceView = d3dTex.GetFullShaderResourceView();
}
else
{
_srvOwned = true;
ShaderResourceViewDescription srvDesc = D3D11Util.GetSrvDesc(
d3dTex,
description.BaseMipLevel,
description.MipLevels,
description.BaseArrayLayer,
description.ArrayLayers);
ShaderResourceView = new ShaderResourceView(device, d3dTex.DeviceTexture, srvDesc);
}
if ((d3dTex.Usage & TextureUsage.Storage) == TextureUsage.Storage)
{
UnorderedAccessViewDescription uavDesc = new UnorderedAccessViewDescription();
uavDesc.Format = D3D11Formats.GetViewFormat(d3dTex.DxgiFormat);
if ((d3dTex.Usage & TextureUsage.Cubemap) == TextureUsage.Cubemap)
{
throw new NotSupportedException();
}
else if (d3dTex.Depth == 1)
{
if (d3dTex.ArrayLayers == 1)
{
uavDesc.Dimension = UnorderedAccessViewDimension.Texture2D;
uavDesc.Texture2D.MipSlice = (int)description.BaseMipLevel;
}
else
{
uavDesc.Dimension = UnorderedAccessViewDimension.Texture2DArray;
uavDesc.Texture2DArray.MipSlice = (int)description.BaseMipLevel;
uavDesc.Texture2DArray.FirstArraySlice = (int)description.BaseArrayLayer;
uavDesc.Texture2DArray.ArraySize = (int)description.ArrayLayers;
}
}
else
{
uavDesc.Dimension = UnorderedAccessViewDimension.Texture3D;
uavDesc.Texture3D.MipSlice = (int)description.BaseMipLevel;
uavDesc.Texture3D.FirstWSlice = (int)description.BaseArrayLayer;
uavDesc.Texture3D.WSize = (int)description.ArrayLayers;
}
UnorderedAccessView = new UnorderedAccessView(device, d3dTex.DeviceTexture, uavDesc);
}
}
internal static ShaderResourceViewDescription GetSrvDesc(
D3D11Texture tex,
uint baseMipLevel,
uint levelCount,
uint baseArrayLayer,
uint layerCount,
PixelFormat format)
{
ShaderResourceViewDescription srvDesc = new ShaderResourceViewDescription();
srvDesc.Format = D3D11Formats.GetViewFormat(
D3D11Formats.ToDxgiFormat(format, (tex.Usage & TextureUsage.DepthStencil) != 0));
if ((tex.Usage & TextureUsage.Cubemap) == TextureUsage.Cubemap)
{
if (tex.ArrayLayers == 1)
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.TextureCube;
srvDesc.TextureCube.MostDetailedMip = (int)baseMipLevel;
srvDesc.TextureCube.MipLevels = (int)levelCount;
}
else
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.TextureCubeArray;
srvDesc.TextureCubeArray.MostDetailedMip = (int)baseMipLevel;
srvDesc.TextureCubeArray.MipLevels = (int)levelCount;
srvDesc.TextureCubeArray.First2DArrayFace = (int)baseArrayLayer;
srvDesc.TextureCubeArray.CubeCount = (int)tex.ArrayLayers;
}
}
else if (tex.Depth == 1)
{
if (tex.ArrayLayers == 1)
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D;
srvDesc.Texture2D.MostDetailedMip = (int)baseMipLevel;
srvDesc.Texture2D.MipLevels = (int)levelCount;
}
else
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2DArray;
srvDesc.Texture2DArray.MostDetailedMip = (int)baseMipLevel;
srvDesc.Texture2DArray.MipLevels = (int)levelCount;
srvDesc.Texture2DArray.FirstArraySlice = (int)baseArrayLayer;
srvDesc.Texture2DArray.ArraySize = (int)layerCount;
}
}
else
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture3D;
srvDesc.Texture3D.MostDetailedMip = (int)baseMipLevel;
srvDesc.Texture3D.MipLevels = (int)levelCount;
}
return(srvDesc);
}
public D3D11TextureView(Device device, ref TextureViewDescription description)
: base(description.Target)
{
D3D11Texture d3dTex = Util.AssertSubtype <Texture, D3D11Texture>(description.Target);
ShaderResourceViewDescription srvDesc = new ShaderResourceViewDescription();
srvDesc.Format = D3D11Formats.GetViewFormat(d3dTex.DeviceTexture.Description.Format);
if ((d3dTex.Usage & TextureUsage.Cubemap) == TextureUsage.Cubemap)
{
if (d3dTex.ArrayLayers == 1)
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.TextureCube;
srvDesc.TextureCube.MipLevels = (int)d3dTex.MipLevels;
}
else
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.TextureCubeArray;
srvDesc.TextureCubeArray.MipLevels = (int)d3dTex.MipLevels;
srvDesc.TextureCubeArray.CubeCount = (int)d3dTex.ArrayLayers;
}
}
else if (d3dTex.Depth == 1)
{
if (d3dTex.ArrayLayers == 1)
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D;
srvDesc.Texture2D.MipLevels = (int)d3dTex.MipLevels;
}
else
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2DArray;
srvDesc.Texture2DArray.MipLevels = (int)d3dTex.MipLevels;
srvDesc.Texture2DArray.ArraySize = (int)d3dTex.ArrayLayers;
}
}
else
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture3D;
srvDesc.Texture3D.MipLevels = (int)d3dTex.MipLevels;
}
ShaderResourceView = new ShaderResourceView(device, d3dTex.DeviceTexture, srvDesc);
}
public D3D11TextureView(Device device, ref TextureViewDescription description)
: base(ref description)
{
D3D11Texture d3dTex = Util.AssertSubtype <Texture, D3D11Texture>(description.Target);
ShaderResourceViewDescription srvDesc = new ShaderResourceViewDescription();
srvDesc.Format = D3D11Formats.GetViewFormat(d3dTex.DxgiFormat);
if ((d3dTex.Usage & TextureUsage.Cubemap) == TextureUsage.Cubemap)
{
if (d3dTex.ArrayLayers == 1)
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.TextureCube;
srvDesc.TextureCube.MostDetailedMip = (int)description.BaseMipLevel;
srvDesc.TextureCube.MipLevels = (int)description.MipLevels;
}
else
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.TextureCubeArray;
srvDesc.TextureCubeArray.MostDetailedMip = (int)description.BaseMipLevel;
srvDesc.TextureCubeArray.MipLevels = (int)description.MipLevels;
srvDesc.TextureCubeArray.First2DArrayFace = (int)description.BaseArrayLayer;
srvDesc.TextureCubeArray.CubeCount = (int)d3dTex.ArrayLayers;
}
}
else if (d3dTex.Depth == 1)
{
if (d3dTex.ArrayLayers == 1)
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D;
srvDesc.Texture2D.MostDetailedMip = (int)description.BaseMipLevel;
srvDesc.Texture2D.MipLevels = (int)description.MipLevels;
}
else
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2DArray;
srvDesc.Texture2DArray.MostDetailedMip = (int)description.BaseMipLevel;
srvDesc.Texture2DArray.MipLevels = (int)description.MipLevels;
srvDesc.Texture2DArray.FirstArraySlice = (int)description.BaseArrayLayer;
srvDesc.Texture2DArray.ArraySize = (int)description.ArrayLayers;
}
}
else
{
srvDesc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture3D;
srvDesc.Texture3D.MostDetailedMip = (int)description.BaseMipLevel;
srvDesc.Texture3D.MipLevels = (int)description.MipLevels;
}
ShaderResourceView = new ShaderResourceView(device, d3dTex.DeviceTexture, srvDesc);
if ((d3dTex.Usage & TextureUsage.Storage) == TextureUsage.Storage)
{
UnorderedAccessViewDescription uavDesc = new UnorderedAccessViewDescription();
uavDesc.Format = D3D11Formats.GetViewFormat(d3dTex.DxgiFormat);
if ((d3dTex.Usage & TextureUsage.Cubemap) == TextureUsage.Cubemap)
{
throw new NotSupportedException();
}
else if (d3dTex.Depth == 1)
{
if (d3dTex.ArrayLayers == 1)
{
uavDesc.Dimension = UnorderedAccessViewDimension.Texture2D;
uavDesc.Texture2D.MipSlice = (int)description.BaseMipLevel;
}
else
{
uavDesc.Dimension = UnorderedAccessViewDimension.Texture2DArray;
uavDesc.Texture2DArray.MipSlice = (int)description.BaseMipLevel;
uavDesc.Texture2DArray.FirstArraySlice = (int)description.BaseArrayLayer;
uavDesc.Texture2DArray.ArraySize = (int)description.ArrayLayers;
}
}
else
{
uavDesc.Dimension = UnorderedAccessViewDimension.Texture3D;
uavDesc.Texture3D.MipSlice = (int)description.BaseMipLevel;
uavDesc.Texture3D.FirstWSlice = (int)description.BaseArrayLayer;
uavDesc.Texture3D.WSize = (int)description.ArrayLayers;
}
UnorderedAccessView = new UnorderedAccessView(device, d3dTex.DeviceTexture, uavDesc);
}
}
public D3D11TextureView(D3D11GraphicsDevice gd, ref TextureViewDescription description)
: base(ref description)
{
ID3D11Device device = gd.Device;
D3D11Texture d3dTex = Util.AssertSubtype <Texture, D3D11Texture>(description.Target);
ShaderResourceViewDescription srvDesc = D3D11Util.GetSrvDesc(
d3dTex,
description.BaseMipLevel,
description.MipLevels,
description.BaseArrayLayer,
description.ArrayLayers,
Format);
ShaderResourceView = device.CreateShaderResourceView(d3dTex.DeviceTexture, srvDesc);
if ((d3dTex.Usage & TextureUsage.Storage) == TextureUsage.Storage)
{
UnorderedAccessViewDescription uavDesc = new UnorderedAccessViewDescription();
uavDesc.Format = D3D11Formats.GetViewFormat(d3dTex.DxgiFormat);
if ((d3dTex.Usage & TextureUsage.Cubemap) == TextureUsage.Cubemap)
{
throw new NotSupportedException();
}
else if (d3dTex.Depth == 1)
{
if (d3dTex.ArrayLayers == 1)
{
if (d3dTex.Type == TextureType.Texture1D)
{
uavDesc.ViewDimension = UnorderedAccessViewDimension.Texture1D;
uavDesc.Texture1D.MipSlice = (int)description.BaseMipLevel;
}
else
{
uavDesc.ViewDimension = UnorderedAccessViewDimension.Texture2D;
uavDesc.Texture2D.MipSlice = (int)description.BaseMipLevel;
}
}
else
{
if (d3dTex.Type == TextureType.Texture1D)
{
uavDesc.ViewDimension = UnorderedAccessViewDimension.Texture1DArray;
uavDesc.Texture1DArray.MipSlice = (int)description.BaseMipLevel;
uavDesc.Texture1DArray.FirstArraySlice = (int)description.BaseArrayLayer;
uavDesc.Texture1DArray.ArraySize = (int)description.ArrayLayers;
}
else
{
uavDesc.ViewDimension = UnorderedAccessViewDimension.Texture2DArray;
uavDesc.Texture2DArray.MipSlice = (int)description.BaseMipLevel;
uavDesc.Texture2DArray.FirstArraySlice = (int)description.BaseArrayLayer;
uavDesc.Texture2DArray.ArraySize = (int)description.ArrayLayers;
}
}
}
else
{
uavDesc.ViewDimension = UnorderedAccessViewDimension.Texture3D;
uavDesc.Texture3D.MipSlice = (int)description.BaseMipLevel;
// Map the entire range of the 3D texture.
uavDesc.Texture3D.FirstWSlice = 0;
uavDesc.Texture3D.WSize = (int)d3dTex.Depth;
}
UnorderedAccessView = device.CreateUnorderedAccessView(d3dTex.DeviceTexture, uavDesc);
}
}
