public unsafe Span <T> AsSpan <T>(ID3D11Texture2D resource, int mipSlice, int arraySlice) where T : unmanaged
{
resource.CalculateSubResourceIndex(mipSlice, arraySlice, out int mipSize);
Span <byte> source = new Span <byte>(DataPointer.ToPointer(), mipSize * RowPitch);
return(MemoryMarshal.Cast <byte, T>(source));
}
/// <summary>
/// Initializes a new instance of the <see cref="Direct2DOverlayRenderer"/> class.
/// </summary>
internal Direct2DOverlayRenderer(EngineDevice device, D3D11.ID3D11Texture2D renderTarget3D, int viewWidth, int viewHeight, DpiScaling dpiScaling, bool forceInit)
{
_device = device;
_renderTarget3D = renderTarget3D;
this.CreateResources(viewWidth, viewHeight, dpiScaling, forceInit);
}
/// <summary>
/// Loads the target texture int a staging texture.
/// </summary>
private void CopyTextureToStagingResource(D3D11.ID3D11Texture2D textureToUpload)
{
// Prepare needed textures
if (_copyHelperTextureStaging == null)
{
_copyHelperTextureStaging = GraphicsHelper.Internals.CreateStagingTexture(_device, _width, _height, _format);
if (_isMultisampled)
{
_copyHelperTextureStandard = GraphicsHelper.Internals.CreateTexture(_device, _width, _height, _format);
}
}
// Copy contents of the texture
// .. execute a ResolveSubresource before if the source texture is multisampled
if (_isMultisampled)
{
_device.DeviceImmediateContextD3D11.ResolveSubresource(
_copyHelperTextureStandard, 0,
textureToUpload, 0,
_format);
_device.DeviceImmediateContextD3D11.CopyResource(
_copyHelperTextureStaging,
_copyHelperTextureStandard);
}
else
{
_device.DeviceImmediateContextD3D11.CopyResource(
_copyHelperTextureStaging, textureToUpload);
}
}
/// <summary>
/// Gets the handle that can be used for resource sharing.
/// </summary>
/// <param name="texture">The texture to be shared.</param>
private IntPtr GetSharedHandle(D3D11.ID3D11Texture2D texture)
{
texture.EnsureNotNull(nameof(texture));
using (var resource = texture.QueryInterface <IDXGIResource>())
{
return(resource.SharedHandle);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderTargetViewDescription"/> struct.
/// </summary>
/// <param name="texture"></param>
/// <param name="viewDimension"></param>
/// <param name="format"></param>
/// <param name="mipSlice"></param>
/// <param name="firstArraySlice"></param>
/// <param name="arraySize"></param>
/// <param name="planeSlice"></param>
public RenderTargetViewDescription1(
ID3D11Texture2D texture,
RenderTargetViewDimension viewDimension,
Format format = Format.Unknown,
int mipSlice = 0,
int firstArraySlice = 0,
int arraySize = -1,
int planeSlice = 0)
: this()
{
ViewDimension = viewDimension;
if (format == Format.Unknown ||
(-1 == arraySize && (RenderTargetViewDimension.Texture2DArray == viewDimension || RenderTargetViewDimension.Texture2DMultisampledArray == viewDimension)))
{
var textureDesc = texture.Description;
if (format == Format.Unknown)
{
format = textureDesc.Format;
}
if (-1 == arraySize)
{
arraySize = textureDesc.ArraySize - firstArraySlice;
}
}
Format = format;
switch (viewDimension)
{
case RenderTargetViewDimension.Texture2D:
Texture2D.MipSlice = mipSlice;
Texture2D.PlaneSlice = planeSlice;
break;
case RenderTargetViewDimension.Texture2DArray:
Texture2DArray.MipSlice = mipSlice;
Texture2DArray.FirstArraySlice = firstArraySlice;
Texture2DArray.ArraySize = arraySize;
Texture2DArray.PlaneSlice = planeSlice;
break;
case RenderTargetViewDimension.Texture2DMultisampled:
break;
case RenderTargetViewDimension.Texture2DMultisampledArray:
Texture2DMSArray.FirstArraySlice = firstArraySlice;
Texture2DMSArray.ArraySize = arraySize;
break;
default:
break;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DepthStencilViewDescription"/> struct.
/// </summary>
/// <param name="texture"></param>
/// <param name="viewDimension"></param>
/// <param name="format"></param>
/// <param name="mipSlice"></param>
/// <param name="firstArraySlice"></param>
/// <param name="arraySize"></param>
public DepthStencilViewDescription(
ID3D11Texture2D texture,
DepthStencilViewDimension viewDimension,
Format format = Format.Unknown,
int mipSlice = 0,
int firstArraySlice = 0,
int arraySize = -1,
DepthStencilViewFlags flags = DepthStencilViewFlags.None) : this()
{
ViewDimension = viewDimension;
Flags = flags;
if (format == Format.Unknown ||
(-1 == arraySize && (DepthStencilViewDimension.Texture2DArray == viewDimension || DepthStencilViewDimension.Texture2DMultisampledArray == viewDimension)))
{
var textureDesc = texture.Description;
if (format == Format.Unknown)
{
format = textureDesc.Format;
}
if (arraySize == -1)
{
arraySize = textureDesc.ArraySize - firstArraySlice;
}
}
Format = format;
switch (viewDimension)
{
case DepthStencilViewDimension.Texture2D:
Texture2D.MipSlice = mipSlice;
break;
case DepthStencilViewDimension.Texture2DArray:
Texture2DArray.MipSlice = mipSlice;
Texture2DArray.FirstArraySlice = firstArraySlice;
Texture2DArray.ArraySize = arraySize;
break;
case DepthStencilViewDimension.Texture2DMultisampled:
break;
case DepthStencilViewDimension.Texture2DMultisampledArray:
Texture2DMSArray.FirstArraySlice = firstArraySlice;
Texture2DMSArray.ArraySize = arraySize;
break;
default:
break;
}
}
/// <summary>
/// Upload a texture from the graphics hardware.
/// </summary>
/// <param name="textureToUpload">The texture to be uploaded.</param>
internal MemoryMappedTexture <T> UploadToMemoryMappedTexture <T>(D3D11.ID3D11Texture2D textureToUpload)
where T : unmanaged
{
if (_isDisposed)
{
throw new ObjectDisposedException(nameof(TextureUploader));
}
var result = new MemoryMappedTexture <T>(
new Size(_width, _height));
this.UploadToMemoryMappedTexture(textureToUpload, result);
return(result);
}
/// <summary>
/// Loads a bitmap from the given texture. Be careful: The texture must have CPU read access and this only matches for staging textures.
/// </summary>
/// <param name="device">The device on which the texture is created.</param>
/// <param name="stagingTexture">The texture to be loaded into the bitmap.</param>
/// <param name="targetBitmap">The target bitmap to write all contents to.</param>
/// <param name="pixelWidth">With of the bitmap in pixels.</param>
/// <param name="pixelHeight">Height of the bitmap in pixels.</param>
/// <param name="lockTimeout">Timeout for locking the target bitmap.</param>
internal static void LoadBitmapFromStagingTexture(EngineDevice device, D3D11.ID3D11Texture2D stagingTexture, WriteableBitmap targetBitmap, int pixelWidth, int pixelHeight, TimeSpan lockTimeout)
{
device.EnsureNotNull(nameof(device));
stagingTexture.EnsureNotNull(nameof(stagingTexture));
targetBitmap.EnsureNotNull(nameof(targetBitmap));
var textureDesc = stagingTexture.Description;
pixelWidth.EnsureEqualComparable(textureDesc.Width, $"{nameof(textureDesc)}.{nameof(textureDesc.Width)}");
pixelHeight.EnsureEqualComparable(textureDesc.Height, $"{nameof(textureDesc)}.{nameof(textureDesc.Height)}");
// Prepare target bitmap
var dataBox = device.Internals.DeviceImmediateContextD3D11.Map(stagingTexture, 0, D3D11.MapMode.Read, D3D11.MapFlags.None);
try
{
if (!targetBitmap.TryLock(new Duration(lockTimeout)))
{
return;
}
try
{
// Copy data row by row
// => Rows from data source may have more pixels because driver changes the size of textures
var rowPitch = (uint)(pixelWidth * 4);
for (var loopRow = 0; loopRow < pixelHeight; loopRow++)
{
var rowPitchSource = dataBox.RowPitch;
var rowPitchDestination = pixelWidth * 4;
SeeingSharpUtil.CopyMemory(
dataBox.DataPointer + loopRow * rowPitchSource,
targetBitmap.BackBuffer + loopRow * rowPitchDestination,
rowPitch);
}
}
finally
{
targetBitmap.AddDirtyRect(new Int32Rect(0, 0, pixelWidth, pixelHeight));
targetBitmap.Unlock();
}
}
finally
{
device.Internals.DeviceImmediateContextD3D11.Unmap(stagingTexture, 0);
}
}
/// <summary>
/// Loads a bitmap from the given texture. Be careful: The texture must have CPU read access and this only matches for staging textures.
/// </summary>
/// <param name="device">The device on which the texture is created.</param>
/// <param name="stagingTexture">The texture to be loaded into the bitmap.</param>
/// <param name="width">The width of the texture.</param>
/// <param name="height">The height of the texture.</param>
internal static GDI.Bitmap LoadBitmapFromStagingTexture(EngineDevice device, D3D11.ID3D11Texture2D stagingTexture, int width, int height)
{
device.EnsureNotNull(nameof(device));
stagingTexture.EnsureNotNull(nameof(stagingTexture));
width.EnsurePositiveOrZero(nameof(width));
height.EnsurePositiveOrZero(nameof(height));
//Prepare target bitmap
var resultBitmap = new GDI.Bitmap(width, height);
var dataBox = device.Internals.DeviceImmediateContextD3D11.Map(stagingTexture, 0, D3D11.MapMode.Read, D3D11.MapFlags.None);
try
{
//Lock bitmap so it can be accessed for texture loading
var bitmapData = resultBitmap.LockBits(
new GDI.Rectangle(0, 0, resultBitmap.Width, resultBitmap.Height),
ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
try
{
//Copy data row by row
// => Rows form data source may have more pixels because driver changes the size of textures
var rowPitch = (uint)(width * 4);
for (var loopRow = 0; loopRow < height; loopRow++)
{
// Copy bitmap data
var rowPitchSource = dataBox.RowPitch;
var rowPitchDestination = width * 4;
SeeingSharpUtil.CopyMemory(
dataBox.DataPointer + loopRow * rowPitchSource,
bitmapData.Scan0 + loopRow * rowPitchDestination,
rowPitch);
}
}
finally
{
resultBitmap.UnlockBits(bitmapData);
}
}
finally
{
device.Internals.DeviceImmediateContextD3D11.Unmap(stagingTexture, 0);
}
return(resultBitmap);
}
/// <summary>
/// Gets the format for sharing.
/// </summary>
/// <param name="texture">The texture to get the format for.</param>
private static D3D9.Format TranslateFormat(D3D11.ID3D11Texture2D texture)
{
switch (texture.Description.Format)
{
case Format.R10G10B10A2_UNorm:
return(D3D9.Format.A2B10G10R10);
case Format.R16G16B16A16_Float:
return(D3D9.Format.A16B16G16R16F);
case Format.B8G8R8A8_UNorm:
return(D3D9.Format.A8R8G8B8);
default:
return(D3D9.Format.Unknown);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="UnorderedAccessViewDescription1"/> struct.
/// </summary>
/// <param name="texture"></param>
/// <param name="viewDimension"></param>
/// <param name="format"></param>
/// <param name="mipSlice"></param>
/// <param name="firstArraySlice"></param>
/// <param name="arraySize"></param>
/// <param name="planeSlice"></param>
public UnorderedAccessViewDescription1(
ID3D11Texture2D texture,
UnorderedAccessViewDimension viewDimension,
Format format = Format.Unknown,
int mipSlice = 0,
int firstArraySlice = 0,
int arraySize = -1,
int planeSlice = 0) : this()
{
ViewDimension = viewDimension;
if (format == Format.Unknown ||
(-1 == arraySize && (viewDimension == UnorderedAccessViewDimension.Texture2DArray)))
{
var textureDesc = texture.Description;
if (format == Format.Unknown)
{
format = textureDesc.Format;
}
if (arraySize == -1)
{
arraySize = textureDesc.ArraySize - firstArraySlice;
}
}
Format = format;
switch (viewDimension)
{
case UnorderedAccessViewDimension.Texture2D:
Texture2D.MipSlice = mipSlice;
Texture2D.PlaneSlice = planeSlice;
break;
case UnorderedAccessViewDimension.Texture2DArray:
Texture2DArray.MipSlice = mipSlice;
Texture2DArray.FirstArraySlice = firstArraySlice;
Texture2DArray.ArraySize = arraySize;
Texture2DArray.PlaneSlice = planeSlice;
break;
}
}
/// <summary>
/// Upload a texture from the graphics hardware.
/// </summary>
/// <param name="textureToUpload">The texture to be uploaded.</param>
/// <param name="targetFloatBuffer">The target buffer to which to copy all data.</param>
internal unsafe void UploadToMemoryMappedTexture <T>(D3D11.ID3D11Texture2D textureToUpload, MemoryMappedTexture <T> targetFloatBuffer)
where T : unmanaged
{
if (_isDisposed)
{
throw new ObjectDisposedException(nameof(TextureUploader));
}
this.EnsureNotNullOrDisposed(nameof(targetFloatBuffer));
// Check input texture
var textureDesc = textureToUpload.Description;
if (textureDesc.Width != _width)
{
throw new SeeingSharpGraphicsException($"Invalid texture: Width does not match (given: {textureDesc.Width}, expected: {_width})!");
}
if (textureDesc.Height != _height)
{
throw new SeeingSharpGraphicsException($"Invalid texture: Height does not match (given: {textureDesc.Height}, expected: {_height})!");
}
if (textureDesc.Format != _format)
{
throw new SeeingSharpGraphicsException($"Invalid texture: Format does not match (given: {textureDesc.Format}, expected: {_format})!");
}
if (GraphicsHelper.IsMultisampled(textureDesc) != _isMultisampled)
{
throw new SeeingSharpGraphicsException($"Invalid texture: Multisampling does not match (given: {GraphicsHelper.IsMultisampled(textureDesc)}, expected: {_isMultisampled})!");
}
// Check source and destination size
var targetPixelSize = targetFloatBuffer.PixelSize;
if (targetPixelSize.Width != _width)
{
throw new SeeingSharpGraphicsException("The width of the textures during texture upload does not match!");
}
if (targetPixelSize.Height != _height)
{
throw new SeeingSharpGraphicsException("The height of the textures during texture upload does not match!");
}
// Check format compatibility
var textureFormatByteSize = FormatHelper.SizeOfInBytes(_format);
if (textureFormatByteSize != sizeof(T))
{
throw new SeeingSharpGraphicsException(
"Format of the texture to upload and the destination buffer does not match " +
$"(source: {_format} / {textureFormatByteSize} bytes, target: {typeof(T).Name} / {sizeof(T)} bytes)!");
}
// Upload the texture
this.CopyTextureToStagingResource(textureToUpload);
// Read the data into the .Net data block
var dataBox = _device.DeviceImmediateContextD3D11.Map(
_copyHelperTextureStaging, 0, D3D11.MapMode.Read, D3D11.MapFlags.None);
try
{
var rowPitchSource = dataBox.RowPitch;
var rowPitchDestination = targetFloatBuffer.Width * sizeof(T);
if (rowPitchSource > 0 && rowPitchDestination > 0)
{
for (var loopY = 0; loopY < _height; loopY++)
{
SeeingSharpUtil.CopyMemory(
dataBox.DataPointer + loopY * rowPitchSource,
targetFloatBuffer.Pointer + loopY * rowPitchDestination,
(uint)rowPitchDestination);
}
}
else
{
throw new SeeingSharpGraphicsException($"Invalid row pitch (source: {rowPitchSource}, destination: {rowPitchDestination})!");
}
}
finally
{
_device.DeviceImmediateContextD3D11.Unmap(_copyHelperTextureStaging, 0);
}
}
public unsafe Span <T> AsSpan <T>(ID3D11Texture2D resource, int mipSlice, int arraySlice)
{
resource.CalculateSubResourceIndex(mipSlice, arraySlice, out int mipSize);
return(new Span <T>(DataPointer.ToPointer(), mipSize * RowPitch));
}
/// <summary>
/// Initializes a new instance of the <see cref="ShaderResourceViewDescription1"/> struct.
/// </summary>
/// <param name="texture"></param>
/// <param name="viewDimension"></param>
/// <param name="format"></param>
/// <param name="mostDetailedMip"></param>
/// <param name="mipLevels"></param>
/// <param name="firstArraySlice"></param>
/// <param name="arraySize"></param>
/// <param name="planeSlice"></param>
public ShaderResourceViewDescription1(
ID3D11Texture2D texture,
ShaderResourceViewDimension viewDimension,
Format format = Format.Unknown,
int mostDetailedMip = 0,
int mipLevels = -1,
int firstArraySlice = 0,
int arraySize = -1,
int planeSlice = 0)
: this()
{
ViewDimension = viewDimension;
if (format == Format.Unknown ||
(mipLevels == -1 && viewDimension != ShaderResourceViewDimension.Texture2DMultisampled && viewDimension != ShaderResourceViewDimension.Texture2DMultisampledArray) ||
(arraySize == -1 && (ShaderResourceViewDimension.Texture2DArray == viewDimension || ShaderResourceViewDimension.Texture2DMultisampledArray == viewDimension || ShaderResourceViewDimension.TextureCubeArray == viewDimension)))
{
var textureDesc = texture.Description;
if (format == Format.Unknown)
{
format = textureDesc.Format;
}
if (-1 == mipLevels)
{
mipLevels = textureDesc.MipLevels - mostDetailedMip;
}
if (-1 == arraySize)
{
arraySize = textureDesc.ArraySize - firstArraySlice;
if (viewDimension == ShaderResourceViewDimension.TextureCubeArray)
{
arraySize /= 6;
}
}
}
Format = format;
switch (viewDimension)
{
case ShaderResourceViewDimension.Texture2D:
Texture2D.MostDetailedMip = mostDetailedMip;
Texture2D.MipLevels = mipLevels;
Texture2D.PlaneSlice = planeSlice;
break;
case ShaderResourceViewDimension.Texture2DArray:
Texture2DArray.MostDetailedMip = mostDetailedMip;
Texture2DArray.MipLevels = mipLevels;
Texture2DArray.FirstArraySlice = firstArraySlice;
Texture2DArray.ArraySize = arraySize;
Texture2DArray.PlaneSlice = planeSlice;
break;
case ShaderResourceViewDimension.Texture2DMultisampled:
break;
case ShaderResourceViewDimension.Texture2DMultisampledArray:
Texture2DMSArray.FirstArraySlice = firstArraySlice;
Texture2DMSArray.ArraySize = arraySize;
break;
case ShaderResourceViewDimension.TextureCube:
TextureCube.MostDetailedMip = mostDetailedMip;
TextureCube.MipLevels = mipLevels;
break;
case ShaderResourceViewDimension.TextureCubeArray:
TextureCubeArray.MostDetailedMip = mostDetailedMip;
TextureCubeArray.MipLevels = mipLevels;
TextureCubeArray.First2DArrayFace = firstArraySlice;
TextureCubeArray.NumCubes = arraySize;
break;
default:
break;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Direct2DOverlayRenderer"/> class.
/// </summary>
public Direct2DOverlayRenderer(EngineDevice device, D3D11.ID3D11Texture2D renderTarget3D, int viewWidth, int viewHeight, DpiScaling dpiScaling)
: this(device, renderTarget3D, viewWidth, viewHeight, dpiScaling, false)
{
}
internal static TextureUploader ConstructUsingPropertiesFromTexture(EngineDevice device, D3D11.ID3D11Texture2D texture)
{
var textureDesc = texture.Description;
return(new TextureUploader(
device,
textureDesc.Width, textureDesc.Height, textureDesc.Format,
GraphicsHelper.IsMultisampled(textureDesc)));
}
/// <summary>
/// Create a new DepthBuffer view to bind the given depth buffer to the rendering device.
/// </summary>
/// <param name="device">The device on which to create the view.</param>
/// <param name="depthBuffer">The target resource.</param>
public static D3D11.ID3D11DepthStencilView CreateDepthBufferView(EngineDevice device, D3D11.ID3D11Texture2D depthBuffer)
{
device.EnsureNotNull(nameof(device));
depthBuffer.EnsureNotNullOrDisposed(nameof(depthBuffer));
return(device.DeviceD3D11_1.CreateDepthStencilView(depthBuffer));
}
/// <summary>
/// Is the given texture sharable?
/// </summary>
/// <param name="textureToCheck">The checker to check.</param>
private static bool IsShareable(D3D11.ID3D11Texture2D textureToCheck)
{
return((textureToCheck.Description.OptionFlags & D3D11.ResourceOptionFlags.Shared) != 0);
}
