public D3DSamplerState(
Device device,
SamplerAddressMode addressU,
SamplerAddressMode addressV,
SamplerAddressMode addressW,
SamplerFilter filter,
int maxAnisotropy,
RgbaFloat borderColor,
DepthComparison comparison,
int minimumLod,
int maximumLod,
int lodBias)
{
SamplerStateDescription ssd = new SamplerStateDescription();
ssd.AddressU = D3DFormats.VeldridToD3DSamplerAddressMode(addressU);
ssd.AddressV = D3DFormats.VeldridToD3DSamplerAddressMode(addressV);
ssd.AddressW = D3DFormats.VeldridToD3DSamplerAddressMode(addressW);
ssd.Filter = D3DFormats.VeldridToD3DSamplerFilter(filter);
ssd.MaximumAnisotropy = maxAnisotropy;
ssd.BorderColor = new RawColor4(borderColor.R, borderColor.G, borderColor.B, borderColor.A);
ssd.ComparisonFunction = D3DFormats.VeldridToD3DDepthComparison(comparison);
ssd.MinimumLod = minimumLod;
ssd.MaximumLod = maximumLod;
ssd.MipLodBias = lodBias;
_d3dSamplerState = new SharpDX.Direct3D11.SamplerState(device, ssd);
}
public void SetIndices <T>(T[] indices, IndexFormat format, int stride, int elementOffset) where T : struct
{
_format = D3DFormats.ConvertIndexFormat(format);
int elementSizeInBytes = Unsafe.SizeOf <T>();
SetData(indices, elementSizeInBytes * indices.Length, elementOffset * elementSizeInBytes);
}
public D3DBlendState(
Device device, bool isBlendEnabled,
Blend srcAlpha, Blend destAlpha, BlendFunction alphaBlendFunc,
Blend srcColor, Blend destColor, BlendFunction colorBlendFunc,
RgbaFloat blendFactor)
{
_device = device;
IsBlendEnabled = isBlendEnabled;
SourceAlphaBlend = srcAlpha;
DestinationAlphaBlend = destAlpha;
AlphaBlendFunction = alphaBlendFunc;
SourceColorBlend = srcColor;
DestinationColorBlend = destColor;
ColorBlendFunction = colorBlendFunc;
BlendFactor = blendFactor;
var desc = new BlendStateDescription();
desc.RenderTarget[0].SourceAlphaBlend = D3DFormats.VeldridToD3DBlend(SourceAlphaBlend);
desc.RenderTarget[0].DestinationAlphaBlend = D3DFormats.VeldridToD3DBlend(DestinationAlphaBlend);
desc.RenderTarget[0].AlphaBlendOperation = D3DFormats.VeldridToD3DBlendFunction(AlphaBlendFunction);
desc.RenderTarget[0].SourceBlend = D3DFormats.VeldridToD3DBlend(SourceColorBlend);
desc.RenderTarget[0].DestinationBlend = D3DFormats.VeldridToD3DBlend(DestinationColorBlend);
desc.RenderTarget[0].BlendOperation = D3DFormats.VeldridToD3DBlendFunction(ColorBlendFunction);
desc.RenderTarget[0].IsBlendEnabled = isBlendEnabled;
desc.RenderTarget[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
_deviceBlendState = new SharpDX.Direct3D11.BlendState(_device, desc);
}
private static InputLayout CreateLayout(Device device, byte[] shaderBytecode, MaterialVertexInput[] vertexInputs)
{
int count = vertexInputs.Sum(mvi => mvi.Elements.Length);
int element = 0;
InputElement[] elements = new InputElement[count];
SemanticIndices indicesTracker = new SemanticIndices();
for (int vbSlot = 0; vbSlot < vertexInputs.Length; vbSlot++)
{
MaterialVertexInput bufferInput = vertexInputs[vbSlot];
int numElements = bufferInput.Elements.Length;
int currentOffset = 0;
for (int i = 0; i < numElements; i++)
{
var genericElement = bufferInput.Elements[i];
elements[element] = new InputElement(
GetSemanticName(genericElement.SemanticType),
indicesTracker.GetAndIncrement(genericElement.SemanticType),
ConvertGenericFormat(genericElement.ElementFormat),
currentOffset,
vbSlot,
D3DFormats.ConvertInputClass(genericElement.StorageClassifier),
genericElement.InstanceStepRate);
currentOffset += genericElement.SizeInBytes;
element += 1;
}
}
return(new InputLayout(device, shaderBytecode, elements));
}
public void SetIndices(IntPtr indices, IndexFormat format, int count, int elementOffset)
{
int elementSizeInBytes = format == IndexFormat.UInt16 ? sizeof(ushort) : sizeof(uint);
SetData(indices, elementSizeInBytes * count, elementSizeInBytes * elementOffset);
SharpDX.DXGI.Format dxgiFormat = D3DFormats.VeldridToD3DIndexFormat(format);
_format = dxgiFormat;
}
public void GetTextureData(int mipLevel, IntPtr destination, int storageSizeInBytes)
{
int width = MipmapHelper.GetDimension(Width, mipLevel);
int height = MipmapHelper.GetDimension(Height, mipLevel);
D3DTexture2D stagingTexture = new D3DTexture2D(_device, new Texture2DDescription()
{
Width = width,
Height = height,
Usage = ResourceUsage.Staging,
BindFlags = BindFlags.None,
CpuAccessFlags = CpuAccessFlags.Read,
OptionFlags = ResourceOptionFlags.None,
MipLevels = 1,
ArraySize = 1,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
Format = DeviceTexture.Description.Format
});
// Copy the data from the GPU to the staging texture.
_device.ImmediateContext.CopySubresourceRegion(DeviceTexture, mipLevel, null, stagingTexture.DeviceTexture, 0);
int elementCount = width * height;
// Copy the data to the array.
DataBox db = _device.ImmediateContext.MapSubresource(
stagingTexture.DeviceTexture,
0,
MapMode.Read,
MapFlags.None,
out DataStream ds);
int pixelSizeInBytes = D3DFormats.GetPixelSize(DeviceTexture.Description.Format);
int rowSize = pixelSizeInBytes * width;
// If the pitch exactly matches the row size, we can simply copy all the data.
if (rowSize == db.RowPitch)
{
SharpDX.Utilities.CopyMemory(destination, db.DataPointer, elementCount * pixelSizeInBytes);
}
else
{
// The texture data may not have a pitch exactly equal to the row width.
// This means that the pixel data is not "tightly packed" into the buffer given
// to us, and has empty data at the end of each row.
for (int rowNumber = 0; rowNumber < height; rowNumber++)
{
int rowStartOffsetInBytes = rowNumber * width * pixelSizeInBytes;
ds.Read(destination, rowStartOffsetInBytes, width * pixelSizeInBytes);
// At the end of the row, seek the stream to skip the extra filler data,
// which is equal to (RowPitch - RowSize) bytes.
ds.Seek(db.RowPitch - rowSize, SeekOrigin.Current);
}
}
stagingTexture.Dispose();
}
public override ShaderResourceViewDescription GetShaderResourceViewDescription()
{
ShaderResourceViewDescription srvd = new ShaderResourceViewDescription();
srvd.Format = D3DFormats.MapFormatForShaderResourceView(DeviceTexture.Description.Format);
srvd.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.TextureCube;
srvd.TextureCube.MipLevels = 1;
srvd.TextureCube.MostDetailedMip = 0;
return(srvd);
}
public override DeviceTexture2D CreateTexture(IntPtr pixelData, int width, int height, int pixelSizeInBytes, PixelFormat format)
{
D3DTexture2D texture = new D3DTexture2D(
_device,
BindFlags.ShaderResource,
ResourceUsage.Default,
CpuAccessFlags.None,
D3DFormats.ConvertPixelFormat(format),
pixelData,
width,
height,
width * pixelSizeInBytes);
return(texture);
}
public D3DDepthStencilState(Device device, bool isDepthEnabled, DepthComparison comparison, bool isDepthWriteEnabled)
{
_device = device;
IsDepthEnabled = IsDepthEnabled;
IsDepthWriteEnabled = isDepthWriteEnabled;
DepthComparison = comparison;
DepthStencilStateDescription desc = DepthStencilStateDescription.Default();
desc.DepthComparison = D3DFormats.ConvertDepthComparison(comparison);
desc.IsDepthEnabled = isDepthEnabled;
desc.DepthWriteMask = isDepthWriteEnabled ? DepthWriteMask.All : DepthWriteMask.Zero;
_deviceState = new SharpDX.Direct3D11.DepthStencilState(device, desc);
}
public override DeviceTexture2D CreateTexture <T>(T[] pixelData, int width, int height, int pixelSizeInBytes, PixelFormat format)
{
GCHandle handle = GCHandle.Alloc(pixelData, GCHandleType.Pinned);
D3DTexture2D texture = new D3DTexture2D(
_device,
BindFlags.ShaderResource,
ResourceUsage.Default,
CpuAccessFlags.None,
D3DFormats.ConvertPixelFormat(format),
handle.AddrOfPinnedObject(),
width,
height,
width * pixelSizeInBytes);
handle.Free();
return(texture);
}
public D3DCubemapTexture(
Device device,
IntPtr pixelsFront,
IntPtr pixelsBack,
IntPtr pixelsLeft,
IntPtr pixelsRight,
IntPtr pixelsTop,
IntPtr pixelsBottom,
int width,
int height,
int pixelSizeInBytes,
PixelFormat format)
{
Width = width;
Height = height;
int stride = width * pixelSizeInBytes;
DataRectangle[] dataRectangles = new DataRectangle[]
{
new DataRectangle(pixelsRight, stride),
new DataRectangle(pixelsLeft, stride),
new DataRectangle(pixelsTop, stride),
new DataRectangle(pixelsBottom, stride),
new DataRectangle(pixelsBack, stride),
new DataRectangle(pixelsFront, stride),
};
DeviceTexture = new Texture2D(
device,
new Texture2DDescription()
{
Format = D3DFormats.ConvertPixelFormat(format),
ArraySize = 6,
MipLevels = 1,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
Usage = ResourceUsage.Default,
BindFlags = BindFlags.ShaderResource,
Width = width,
Height = height,
OptionFlags = ResourceOptionFlags.TextureCube
},
dataRectangles);
}
public D3DRasterizerState(
Device device,
FaceCullingMode cullMode,
TriangleFillMode fillMode,
bool depthClipEnabled,
bool scissorTestEnabled)
{
_device = device;
CullMode = cullMode;
FillMode = fillMode;
IsDepthClipEnabled = depthClipEnabled;
IsScissorTestEnabled = scissorTestEnabled;
var desc = new RasterizerStateDescription()
{
IsDepthClipEnabled = IsDepthClipEnabled,
IsScissorEnabled = IsScissorTestEnabled,
CullMode = D3DFormats.ConvertCullMode(cullMode),
FillMode = D3DFormats.ConvertFillMode(fillMode)
};
_deviceState = new SharpDX.Direct3D11.RasterizerState(device, desc);
}
public override IndexBuffer CreateIndexBuffer(int sizeInBytes, bool isDynamic, IndexFormat format)
{
return(new D3DIndexBuffer(_device, sizeInBytes, isDynamic, D3DFormats.ConvertIndexFormat(format)));
}
public void SetIndices(IntPtr indices, IndexFormat format, int elementSizeInBytes, int count, int elementOffset)
{
SetData(indices, elementSizeInBytes * count, elementSizeInBytes * elementOffset);
_format = D3DFormats.ConvertIndexFormat(format);
}
private int GetRowPitch(int width)
{
var pixelSize = D3DFormats.GetPixelSize(DeviceTexture.Description.Format);
return(pixelSize * width);
}