public override TextureSampleCount GetSampleCountLimit(PixelFormat format, bool depthFormat)
{
Format dxgiFormat = D3D11Formats.ToDxgiFormat(format, depthFormat);
if (CheckFormatMultisample(dxgiFormat, 32))
{
return(TextureSampleCount.Count32);
}
else if (CheckFormatMultisample(dxgiFormat, 16))
{
return(TextureSampleCount.Count16);
}
else if (CheckFormatMultisample(dxgiFormat, 8))
{
return(TextureSampleCount.Count8);
}
else if (CheckFormatMultisample(dxgiFormat, 4))
{
return(TextureSampleCount.Count4);
}
else if (CheckFormatMultisample(dxgiFormat, 2))
{
return(TextureSampleCount.Count2);
}
return(TextureSampleCount.Count1);
}
public D3D11Framebuffer(Device device, ref FramebufferDescription description)
: base(description.DepthTarget, description.ColorTargets)
{
if (description.DepthTarget != null)
{
D3D11Texture d3dDepthTarget = Util.AssertSubtype <Texture, D3D11Texture>(description.DepthTarget);
DepthStencilViewDescription dsvDesc = new DepthStencilViewDescription()
{
Dimension = DepthStencilViewDimension.Texture2D,
Format = D3D11Formats.GetDepthFormat(d3dDepthTarget.Format)
};
DepthStencilView = new DepthStencilView(device, d3dDepthTarget.DeviceTexture, dsvDesc);
}
if (description.ColorTargets != null && description.ColorTargets.Length > 0)
{
RenderTargetViews = new RenderTargetView[description.ColorTargets.Length];
for (int i = 0; i < RenderTargetViews.Length; i++)
{
D3D11Texture d3dColorTarget = Util.AssertSubtype <Texture, D3D11Texture>(description.ColorTargets[i]);
RenderTargetViewDescription rtvDesc = new RenderTargetViewDescription
{
Format = D3D11Formats.ToDxgiFormat(d3dColorTarget.Format, false),
Dimension = RenderTargetViewDimension.Texture2D,
};
RenderTargetViews[i] = new RenderTargetView(device, d3dColorTarget.DeviceTexture, rtvDesc);
}
}
else
{
RenderTargetViews = Array.Empty <RenderTargetView>();
}
}
protected override void SetIndexBufferCore(DeviceBuffer buffer, IndexFormat format)
{
if (_ib != buffer)
{
_ib = buffer;
D3D11Buffer d3d11Buffer = Util.AssertSubtype <DeviceBuffer, D3D11Buffer>(buffer);
_context.InputAssembler.SetIndexBuffer(d3d11Buffer.Buffer, D3D11Formats.ToDxgiFormat(format), 0);
}
}
public override void SetIndexBuffer(IndexBuffer ib)
{
if (_ib != ib)
{
_ib = ib;
D3D11IndexBuffer d3d11Buffer = Util.AssertSubtype <IndexBuffer, D3D11IndexBuffer>(ib);
_context.InputAssembler.SetIndexBuffer(d3d11Buffer.Buffer, D3D11Formats.ToDxgiFormat(ib.Format), 0);
}
}
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 D3D11Texture(Device device, ref TextureDescription description)
{
Width = description.Width;
Height = description.Height;
Depth = description.Depth;
MipLevels = description.MipLevels;
ArrayLayers = description.ArrayLayers;
Format = description.Format;
Usage = description.Usage;
SharpDX.DXGI.Format dxgiFormat = D3D11Formats.ToDxgiFormat(
description.Format,
(description.Usage & TextureUsage.DepthStencil) == TextureUsage.DepthStencil);
BindFlags bindFlags = BindFlags.None;
if ((description.Usage & TextureUsage.RenderTarget) == TextureUsage.RenderTarget)
{
bindFlags |= BindFlags.RenderTarget;
}
if ((description.Usage & TextureUsage.DepthStencil) == TextureUsage.DepthStencil)
{
bindFlags |= BindFlags.DepthStencil;
}
if ((description.Usage & TextureUsage.Sampled) == TextureUsage.Sampled)
{
bindFlags |= BindFlags.ShaderResource;
}
ResourceOptionFlags optionFlags = ResourceOptionFlags.None;
int arraySize = (int)description.ArrayLayers;
if ((description.Usage & TextureUsage.Cubemap) == TextureUsage.Cubemap)
{
optionFlags = ResourceOptionFlags.TextureCube;
arraySize *= 6;
}
Texture2DDescription deviceDescription = new Texture2DDescription()
{
Width = (int)description.Width,
Height = (int)description.Height,
MipLevels = (int)description.MipLevels,
ArraySize = arraySize,
Format = dxgiFormat,
BindFlags = bindFlags,
CpuAccessFlags = CpuAccessFlags.None,
Usage = ResourceUsage.Default,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
OptionFlags = optionFlags,
};
DeviceTexture = new Texture2D(device, deviceDescription);
}
public D3D11Texture(Texture2D existingTexture, TextureType type, PixelFormat format)
{
_device = existingTexture.Device;
DeviceTexture = existingTexture;
Width = (uint)existingTexture.Description.Width;
Height = (uint)existingTexture.Description.Height;
Depth = 1;
MipLevels = (uint)existingTexture.Description.MipLevels;
ArrayLayers = (uint)existingTexture.Description.ArraySize;
Format = format;
SampleCount = FormatHelpers.GetSampleCount((uint)existingTexture.Description.SampleDescription.Count);
Type = type;
Usage = D3D11Formats.GetVdUsage(
existingTexture.Description.BindFlags,
existingTexture.Description.CpuAccessFlags,
existingTexture.Description.OptionFlags);
DxgiFormat = D3D11Formats.ToDxgiFormat(
format,
(Usage & TextureUsage.DepthStencil) == TextureUsage.DepthStencil);
}
private InputLayout CreateNewInputLayout(VertexLayoutDescription[] vertexLayouts, byte[] vsBytecode)
{
int totalCount = 0;
for (int i = 0; i < vertexLayouts.Length; i++)
{
totalCount += vertexLayouts[i].Elements.Length;
}
int element = 0; // Total element index across slots.
InputElement[] elements = new InputElement[totalCount];
SemanticIndices si = new SemanticIndices();
for (int slot = 0; slot < vertexLayouts.Length; slot++)
{
VertexElementDescription[] elementDescs = vertexLayouts[slot].Elements;
uint stepRate = vertexLayouts[slot].InstanceStepRate;
int currentOffset = 0;
for (int i = 0; i < elementDescs.Length; i++)
{
VertexElementDescription desc = elementDescs[i];
elements[element] = new InputElement(
GetSemanticString(desc.Semantic),
SemanticIndices.GetAndIncrement(ref si, desc.Semantic),
D3D11Formats.ToDxgiFormat(desc.Format),
currentOffset,
slot,
stepRate == 0 ? InputClassification.PerVertexData : InputClassification.PerInstanceData,
(int)stepRate);
currentOffset += (int)FormatHelpers.GetSizeInBytes(desc.Format);
element += 1;
}
}
return(new InputLayout(_device, vsBytecode, elements));
}
protected override bool GetPixelFormatSupportCore(
PixelFormat format,
TextureType type,
TextureUsage usage,
out PixelFormatProperties properties)
{
if (D3D11Formats.IsUnsupportedFormat(format))
{
properties = default(PixelFormatProperties);
return(false);
}
Format dxgiFormat = D3D11Formats.ToDxgiFormat(format, (usage & TextureUsage.DepthStencil) != 0);
FormatSupport fs = _device.CheckFormatSupport(dxgiFormat);
if ((usage & TextureUsage.RenderTarget) != 0 && (fs & FormatSupport.RenderTarget) == 0 ||
(usage & TextureUsage.DepthStencil) != 0 && (fs & FormatSupport.DepthStencil) == 0 ||
(usage & TextureUsage.Sampled) != 0 && (fs & FormatSupport.ShaderSample) == 0 ||
(usage & TextureUsage.Cubemap) != 0 && (fs & FormatSupport.TextureCube) == 0 ||
(usage & TextureUsage.Storage) != 0 && (fs & FormatSupport.TypedUnorderedAccessView) == 0)
{
properties = default(PixelFormatProperties);
return(false);
}
const uint MaxTextureDimension = 16384;
const uint MaxVolumeExtent = 2048;
uint sampleCounts = 0;
if (CheckFormatMultisample(dxgiFormat, 1))
{
sampleCounts |= (1 << 0);
}
if (CheckFormatMultisample(dxgiFormat, 2))
{
sampleCounts |= (1 << 1);
}
if (CheckFormatMultisample(dxgiFormat, 4))
{
sampleCounts |= (1 << 2);
}
if (CheckFormatMultisample(dxgiFormat, 8))
{
sampleCounts |= (1 << 3);
}
if (CheckFormatMultisample(dxgiFormat, 16))
{
sampleCounts |= (1 << 4);
}
if (CheckFormatMultisample(dxgiFormat, 32))
{
sampleCounts |= (1 << 5);
}
properties = new PixelFormatProperties(
MaxTextureDimension,
type == TextureType.Texture1D ? 1 : MaxTextureDimension,
type != TextureType.Texture3D ? 1 : MaxVolumeExtent,
uint.MaxValue,
type == TextureType.Texture3D ? 1 : MaxVolumeExtent,
sampleCounts);
return(true);
}
public D3D11Texture(Device device, ref TextureDescription description)
{
_device = device;
Width = description.Width;
Height = description.Height;
Depth = description.Depth;
MipLevels = description.MipLevels;
ArrayLayers = description.ArrayLayers;
Format = description.Format;
Usage = description.Usage;
Type = description.Type;
SampleCount = description.SampleCount;
DxgiFormat = D3D11Formats.ToDxgiFormat(
description.Format,
(description.Usage & TextureUsage.DepthStencil) == TextureUsage.DepthStencil);
CpuAccessFlags cpuFlags = CpuAccessFlags.None;
ResourceUsage resourceUsage = ResourceUsage.Default;
BindFlags bindFlags = BindFlags.None;
ResourceOptionFlags optionFlags = ResourceOptionFlags.None;
if ((description.Usage & TextureUsage.RenderTarget) == TextureUsage.RenderTarget)
{
bindFlags |= BindFlags.RenderTarget;
}
if ((description.Usage & TextureUsage.DepthStencil) == TextureUsage.DepthStencil)
{
bindFlags |= BindFlags.DepthStencil;
}
if ((description.Usage & TextureUsage.Sampled) == TextureUsage.Sampled)
{
bindFlags |= BindFlags.ShaderResource;
}
if ((description.Usage & TextureUsage.Storage) == TextureUsage.Storage)
{
bindFlags |= BindFlags.UnorderedAccess;
}
if ((description.Usage & TextureUsage.Staging) == TextureUsage.Staging)
{
cpuFlags = CpuAccessFlags.Read | CpuAccessFlags.Write;
resourceUsage = ResourceUsage.Staging;
}
if ((description.Usage & TextureUsage.GenerateMipmaps) != 0)
{
bindFlags |= BindFlags.RenderTarget | BindFlags.ShaderResource;
optionFlags |= ResourceOptionFlags.GenerateMipMaps;
}
int arraySize = (int)description.ArrayLayers;
if ((description.Usage & TextureUsage.Cubemap) == TextureUsage.Cubemap)
{
optionFlags = ResourceOptionFlags.TextureCube;
arraySize *= 6;
}
if (Type == TextureType.Texture1D)
{
Texture1DDescription desc1D = new Texture1DDescription()
{
Width = (int)description.Width,
MipLevels = (int)description.MipLevels,
ArraySize = arraySize,
Format = DxgiFormat,
BindFlags = bindFlags,
CpuAccessFlags = cpuFlags,
Usage = resourceUsage,
OptionFlags = optionFlags,
};
DeviceTexture = new Texture1D(device, desc1D);
}
else if (Type == TextureType.Texture2D)
{
Texture2DDescription deviceDescription = new Texture2DDescription()
{
Width = (int)description.Width,
Height = (int)description.Height,
MipLevels = (int)description.MipLevels,
ArraySize = arraySize,
Format = DxgiFormat,
BindFlags = bindFlags,
CpuAccessFlags = cpuFlags,
Usage = resourceUsage,
SampleDescription = new SharpDX.DXGI.SampleDescription((int)FormatHelpers.GetSampleCountUInt32(SampleCount), 0),
OptionFlags = optionFlags,
};
DeviceTexture = new Texture2D(device, deviceDescription);
}
else
{
Debug.Assert(Type == TextureType.Texture3D);
Texture3DDescription desc3D = new Texture3DDescription()
{
Width = (int)description.Width,
Height = (int)description.Height,
Depth = (int)description.Depth,
MipLevels = (int)description.MipLevels,
Format = DxgiFormat,
BindFlags = bindFlags,
CpuAccessFlags = cpuFlags,
Usage = resourceUsage,
OptionFlags = optionFlags,
};
DeviceTexture = new Texture3D(device, desc3D);
}
}
public D3D11Framebuffer(Device device, ref FramebufferDescription description)
: base(description.DepthTarget, description.ColorTargets)
{
if (description.DepthTarget != null)
{
D3D11Texture d3dDepthTarget = Util.AssertSubtype <Texture, D3D11Texture>(description.DepthTarget.Value.Target);
DepthStencilViewDescription dsvDesc = new DepthStencilViewDescription()
{
Format = D3D11Formats.GetDepthFormat(d3dDepthTarget.Format),
};
if (d3dDepthTarget.ArrayLayers == 1)
{
if (d3dDepthTarget.SampleCount == TextureSampleCount.Count1)
{
dsvDesc.Dimension = DepthStencilViewDimension.Texture2D;
dsvDesc.Texture2D.MipSlice = (int)description.DepthTarget.Value.MipLevel;
}
else
{
dsvDesc.Dimension = DepthStencilViewDimension.Texture2DMultisampled;
}
}
else
{
if (d3dDepthTarget.SampleCount == TextureSampleCount.Count1)
{
dsvDesc.Dimension = DepthStencilViewDimension.Texture2DArray;
dsvDesc.Texture2DArray.FirstArraySlice = (int)description.DepthTarget.Value.ArrayLayer;
dsvDesc.Texture2DArray.ArraySize = 1;
dsvDesc.Texture2DArray.MipSlice = (int)description.DepthTarget.Value.MipLevel;
}
else
{
dsvDesc.Dimension = DepthStencilViewDimension.Texture2DMultisampledArray;
dsvDesc.Texture2DMSArray.FirstArraySlice = (int)description.DepthTarget.Value.ArrayLayer;
dsvDesc.Texture2DMSArray.ArraySize = 1;
}
}
DepthStencilView = new DepthStencilView(device, d3dDepthTarget.DeviceTexture, dsvDesc);
}
if (description.ColorTargets != null && description.ColorTargets.Length > 0)
{
RenderTargetViews = new RenderTargetView[description.ColorTargets.Length];
for (int i = 0; i < RenderTargetViews.Length; i++)
{
D3D11Texture d3dColorTarget = Util.AssertSubtype <Texture, D3D11Texture>(description.ColorTargets[i].Target);
RenderTargetViewDescription rtvDesc = new RenderTargetViewDescription
{
Format = D3D11Formats.ToDxgiFormat(d3dColorTarget.Format, false),
};
if (d3dColorTarget.ArrayLayers > 1 || (d3dColorTarget.Usage & TextureUsage.Cubemap) != 0)
{
if (d3dColorTarget.SampleCount == TextureSampleCount.Count1)
{
rtvDesc.Dimension = RenderTargetViewDimension.Texture2DArray;
rtvDesc.Texture2DArray = new RenderTargetViewDescription.Texture2DArrayResource
{
ArraySize = 1,
FirstArraySlice = (int)description.ColorTargets[i].ArrayLayer,
MipSlice = (int)description.ColorTargets[i].MipLevel
};
}
else
{
rtvDesc.Dimension = RenderTargetViewDimension.Texture2DMultisampledArray;
rtvDesc.Texture2DMSArray = new RenderTargetViewDescription.Texture2DMultisampledArrayResource
{
ArraySize = 1,
FirstArraySlice = (int)description.ColorTargets[i].ArrayLayer
};
}
}
else
{
if (d3dColorTarget.SampleCount == TextureSampleCount.Count1)
{
rtvDesc.Dimension = RenderTargetViewDimension.Texture2D;
rtvDesc.Texture2D.MipSlice = (int)description.ColorTargets[i].MipLevel;
}
else
{
rtvDesc.Dimension = RenderTargetViewDimension.Texture2DMultisampled;
}
}
RenderTargetViews[i] = new RenderTargetView(device, d3dColorTarget.DeviceTexture, rtvDesc);
}
}
else
{
RenderTargetViews = Array.Empty <RenderTargetView>();
}
}