/// <summary>
/// Initializes a new instance of the <see cref="GorgonTextureLockData"/> class.
/// </summary>
/// <param name="graphics">The graphics context that owns this lock.</param>
/// <param name="texture">The texture that owns this lock.</param>
/// <param name="cache">Lock cache that will contain this lock.</param>
/// <param name="data">The data returned from the lock.</param>
/// <param name="mipLevel">The mip level of the sub resource.</param>
/// <param name="arrayIndex">Array index of the sub resource.</param>
internal GorgonTextureLockData(GorgonGraphics graphics, GorgonTexture texture, GorgonTextureLockCache cache, DX.DataBox data, int mipLevel, int arrayIndex)
: base(mipLevel, arrayIndex, 0)
{
Graphics = graphics;
Texture = texture;
_cache = cache;
Width = Texture.Settings.Width;
Height = Texture.Settings.Height;
Depth = Texture.Settings.Depth;
// Calculate the current size at the given mip level.
for (int mip = 0; mip < mipLevel; ++mip)
{
if (Width > 1)
{
Width >>= 1;
}
if (Height > 1)
{
Height >>= 1;
}
if (Depth > 1)
{
Depth >>= 1;
}
}
PitchInformation = new GorgonFormatPitch(data.RowPitch, data.SlicePitch);
Data = new GorgonDataStream(data.DataPointer.ToPointer(), data.SlicePitch);
}
/// <summary>
/// Function to retrieve the view description for a 2D texture cube.
/// </summary>
/// <param name="texture">The texture to bind to the view.</param>
/// <returns>The shader view description.</returns>
/// <exception cref="GorgonException"></exception>
private D3D.ShaderResourceViewDescription GetDesc2DCube(GorgonTexture texture)
{
bool isMultiSampled = ((texture.Settings.Multisampling.Count > 1) ||
(texture.Settings.Multisampling.Quality > 0));
if (isMultiSampled)
{
throw new GorgonException(GorgonResult.CannotCreate, Resources.GORGFX_ERR_CANNOT_MULTISAMPLE_CUBE);
}
int cubeArrayCount = texture.Settings.ArrayCount / 6;
return(new D3D.ShaderResourceViewDescription
{
Format = (Format)Format,
Dimension =
cubeArrayCount > 1
? ShaderResourceViewDimension.TextureCubeArray
: ShaderResourceViewDimension.TextureCube,
TextureCubeArray =
{
CubeCount = cubeArrayCount,
First2DArrayFace = ArrayStart,
MipLevels = MipCount,
MostDetailedMip = MipStart
}
});
}
/// <summary>
/// Initializes a new instance of the <see cref="GorgonTextureShaderView"/> class.
/// </summary>
/// <param name="texture">The texture to view.</param>
/// <param name="format">The format of the view.</param>
/// <param name="firstMipLevel">The first mip level.</param>
/// <param name="mipCount">The mip count.</param>
/// <param name="arrayIndex">Index of the array.</param>
/// <param name="arrayCount">The array count.</param>
internal GorgonTextureShaderView(GorgonTexture texture,
BufferFormat format,
int firstMipLevel,
int mipCount,
int arrayIndex,
int arrayCount)
: base(texture, format)
{
MipStart = firstMipLevel;
MipCount = mipCount;
ArrayStart = arrayIndex;
ArrayCount = arrayCount;
IsCube = texture.Settings.ImageType == ImageType.ImageCube;
switch (texture.ResourceType)
{
case ResourceType.Texture1D:
_texture1D = (GorgonTexture1D)texture;
break;
case ResourceType.Texture2D:
_texture2D = (GorgonTexture2D)texture;
break;
case ResourceType.Texture3D:
_texture3D = (GorgonTexture3D)texture;
break;
}
}
/// <summary>
/// Function to create an array of System.Drawing.Images from a given texture.
/// </summary>
/// <param name="texture">Texture to evaluate.</param>
/// <returns>A list of GDI+ images.</returns>
public static Image[] CreateGDIImagesFromTexture(GorgonTexture texture)
{
using (var data = GorgonImageData.CreateFromTexture(texture))
{
return(CreateGDIImagesFromImageData(data));
}
}
/// <summary>
/// Function called when a texture is switched.
/// </summary>
/// <param name="texture">Texture to switch to.</param>
internal void TextureSwitch(GorgonTexture texture)
{
// If we have a texture change, and we have the default diffuse shader loaded, then switch to the textured shader.
if ((texture != null) && (Graphics.Shaders.PixelShader.Current == DefaultPixelShaderDiffuse))
{
Current = DefaultPixelShaderTextured;
}
// If we have a texture change, and we have the default textured shader loaded, then switch to the diffuse shader.
if ((texture == null) && (Graphics.Shaders.PixelShader.Current == DefaultPixelShaderTextured))
{
Current = DefaultPixelShaderDiffuse;
}
}
/// <summary>
/// Function to retrieve the view description for a 1D texture.
/// </summary>
/// <param name="texture">Texture to build a view description for.</param>
/// <returns>The shader view description.</returns>
private UnorderedAccessViewDescription GetDesc1D(GorgonTexture texture)
{
return(new UnorderedAccessViewDescription
{
Format = (Format)Format,
Dimension = texture.Settings.ArrayCount > 1 ? UnorderedAccessViewDimension.Texture1DArray
: UnorderedAccessViewDimension.Texture1D,
Texture1DArray =
{
MipSlice = MipIndex,
ArraySize = ArrayOrDepthCount,
FirstArraySlice = ArrayOrDepthStart
}
});
}
/// <summary>
/// Function to retrieve the view description for a 1D texture.
/// </summary>
/// <param name="texture">Texture to build a view description for.</param>
/// <returns>The shader view description.</returns>
private D3D.ShaderResourceViewDescription GetDesc1D(GorgonTexture texture)
{
return(new D3D.ShaderResourceViewDescription
{
Format = (Format)Format,
Dimension = texture.Settings.ArrayCount > 1 ? ShaderResourceViewDimension.Texture1DArray
: ShaderResourceViewDimension.Texture1D,
Texture1DArray =
{
MipLevels = MipCount,
MostDetailedMip = MipStart,
ArraySize = ArrayCount,
FirstArraySlice = ArrayStart
}
});
}
/// <summary>
/// Function to copy this texture into a new staging texture.
/// </summary>
/// <returns>
/// The new staging texture.
/// </returns>
protected override GorgonTexture OnGetStagingTexture()
{
var settings1D = new GorgonTexture1DSettings
{
ArrayCount = Settings.ArrayCount,
Format = Settings.Format,
Width = Settings.Width,
MipCount = Settings.MipCount,
Usage = BufferUsage.Staging
};
GorgonTexture staging = Graphics.Textures.CreateTexture(Name + ".Staging", settings1D);
staging.Copy(this);
return(staging);
}
/// <summary>
/// Function to copy this texture into a new staging texture.
/// </summary>
/// <returns>
/// The new staging texture.
/// </returns>
protected override GorgonTexture OnGetStagingTexture()
{
var settings3D = new GorgonTexture3DSettings
{
Format = Settings.Format,
Width = Settings.Width,
Height = Settings.Height,
Depth = Settings.Depth,
MipCount = Settings.MipCount,
Usage = BufferUsage.Staging
};
GorgonTexture staging = Graphics.ImmediateContext.Textures.CreateTexture(Name + ".Staging", settings3D);
staging.Copy(this);
return(staging);
}
/// <summary>
/// Function to copy this texture into a new staging texture.
/// </summary>
/// <returns>
/// The new staging texture.
/// </returns>
protected override GorgonTexture OnGetStagingTexture()
{
var settings2D = new GorgonTexture2DSettings
{
ArrayCount = Settings.ArrayCount,
Format = Settings.Format,
Width = Settings.Width,
Height = Settings.Height,
IsTextureCube = Settings.IsTextureCube,
Multisampling = Settings.Multisampling,
MipCount = Settings.MipCount,
Usage = BufferUsage.Staging
};
GorgonTexture staging = Graphics.ImmediateContext.Textures.CreateTexture(Name + ".Staging", settings2D);
staging.Copy(this);
return(staging);
}
/// <summary>
/// Function to retrieve the view description for a 2D texture.
/// </summary>
/// <param name="texture">Texture to build a view description for.</param>
/// <returns>The shader view description.</returns>
private D3D.ShaderResourceViewDescription GetDesc2D(GorgonTexture texture)
{
bool isMultiSampled = ((texture.Settings.Multisampling.Count > 1) ||
(texture.Settings.Multisampling.Quality > 0));
if (!isMultiSampled)
{
return(new D3D.ShaderResourceViewDescription
{
Format = (Format)Format,
Dimension = texture.Settings.ArrayCount > 1
? ShaderResourceViewDimension.Texture2DArray
: ShaderResourceViewDimension.Texture2D,
Texture2DArray =
{
MipLevels = MipCount,
MostDetailedMip = MipStart,
FirstArraySlice = ArrayStart,
ArraySize = ArrayCount
}
});
}
return(new D3D.ShaderResourceViewDescription
{
Format = (Format)Format,
Dimension = texture.Settings.ArrayCount > 1
? ShaderResourceViewDimension.Texture2DMultisampledArray
: ShaderResourceViewDimension.Texture2DMultisampled,
Texture2DMSArray =
{
ArraySize = ArrayCount,
FirstArraySlice = ArrayStart
}
});
}
/// <summary>
/// Function to resolve a multisampled texture resource into another non-multisampled resource.
/// </summary>
/// <param name="destination">The texture that will receive the resolved texture.</param>
/// <param name="destArrayIndex">[Optional] Index in the array that will receive the resolved texture data.</param>
/// <param name="destMipLevel">[Optional] The mip map level that will receive the resolved texture data.</param>
/// <param name="srcArrayIndex">[Optional] The array index in the source to resolve.</param>
/// <param name="srcMipLevel">[Optional] The source mip level to resolve.</param>
/// <param name="resolveFormat">[Optional] A format that will determine how to resolve the multisampled texture into a non-multisampled texture.</param>
/// <param name="context">[Optional] A deferred graphics context used to copy the data.</param>
/// <exception cref="System.ArgumentNullException">Thrown when the <paramref name="destination"/> parameter is NULL (Nothing in VB.Net).</exception>
/// <exception cref="System.ArgumentOutOfRangeException">Thrown when the <paramref name="destArrayIndex"/>, <paramref name="destMipLevel"/>, <paramref name="srcArrayIndex"/>, or the
/// <paramref name="srcMipLevel"/> parameters are not within the the range of the array indices or mip levels of the respective textures.</exception>
/// <exception cref="System.NotSupportedException">Thrown when the source texture is not multisampled or the destination texture is multisampled or has a non default usage.</exception>
/// <exception cref="System.ArgumentException">Thrown when the <paramref name="resolveFormat"/> is not compatible with the formats of the source or destination texture.</exception>
/// <remarks>Use this method to resolve a multisampled texture into a non multisampled texture. This is most useful when transferring a multisampled render target pass as an input to
/// a secondary pass.
/// <para>The <paramref name="resolveFormat"/> parameter is used to determine how to interpret the data in the texture. There are 3 ways this data may be interpreted:
/// <list type="number">
/// <item><description>If both textures have a typed format, then the resolve format must be the same as the format of the textures. Both textures must have the same format.</description></item>
/// <item><description>If one of the textures have a typeless format and one has a typed format, then the resolve format must be in the same group as the typed format.</description></item>
/// <item><description>If the textures both have a typeless format, then the resolve format must be in the same group as the typeless format.</description></item>
/// </list>
/// Leaving the resolve format as Unknown will automatically use the format of the source texture.
/// </para>
/// <para>If the <paramref name="context"/> parameter is NULL (Nothing in VB.Net) then the immediate context will be used. If this method is called from multiple threads, then a deferred context should be passed for each thread that is
/// accessing the sub resource.</para>
/// </remarks>
public void ResolveTo(GorgonTexture destination,
int destArrayIndex = 0,
int destMipLevel = 0,
int srcArrayIndex = 0,
int srcMipLevel = 0,
BufferFormat resolveFormat = BufferFormat.Unknown,
GorgonGraphics context = null)
{
if (resolveFormat == BufferFormat.Unknown)
{
resolveFormat = Settings.Format;
}
#if DEBUG
if (destination == null)
{
throw new ArgumentNullException("destination");
}
if ((destArrayIndex >= destination.Settings.ArrayCount) &&
(destArrayIndex < 0))
{
throw new ArgumentOutOfRangeException("destArrayIndex",
string.Format(Resources.GORGFX_ARG_OUT_OF_RANGE,
0,
destination.Settings.ArrayCount));
}
if ((destMipLevel < 0) || (destMipLevel >= destination.Settings.MipCount))
{
throw new ArgumentOutOfRangeException("destMipLevel", string.Format(Resources.GORGFX_ARG_OUT_OF_RANGE, 0,
destination.Settings.MipCount));
}
if ((srcArrayIndex >= Settings.ArrayCount) &&
(srcArrayIndex < 0))
{
throw new ArgumentOutOfRangeException("srcArrayIndex",
string.Format(Resources.GORGFX_ARG_OUT_OF_RANGE,
0,
Settings.ArrayCount));
}
if ((srcMipLevel < 0) || (srcMipLevel >= Settings.MipCount))
{
throw new ArgumentOutOfRangeException("srcMipLevel", string.Format(Resources.GORGFX_ARG_OUT_OF_RANGE, 0,
Settings.MipCount));
}
if (Settings.Multisampling.Equals(GorgonMultisampling.NoMultiSampling))
{
throw new NotSupportedException(string.Format(Resources.GORGFX_TEXTURE_SRC_NOT_MULTISAMPLED, Name));
}
if (destination.Settings.Usage != BufferUsage.Default)
{
throw new NotSupportedException(string.Format(Resources.GORGFX_TEXTURE_RESOLVE_DEST_NOT_DEFAULT, destination.Name));
}
var srcFormatInfo = GorgonBufferFormatInfo.GetInfo(Settings.Format);
var destFormatInfo = GorgonBufferFormatInfo.GetInfo(destination.Settings.Format);
var resolveFormatInfo = GorgonBufferFormatInfo.GetInfo(resolveFormat);
// Ensure that the resource formats and resolve format all match up.
if ((!srcFormatInfo.IsTypeless) && (!destFormatInfo.IsTypeless))
{
if (Settings.Format != destination.Settings.Format)
{
throw new ArgumentException(string.Format(Resources.GORGFX_TEXTURE_RESOLVE_FORMATS_NOT_SAME, Settings.Format),
"destination");
}
if (resolveFormat != Settings.Format)
{
throw new ArgumentException(string.Format(Resources.GORGFX_TEXTURE_RESOLVE_FORMAT_MUST_BE_UNKNOWN), "resolveFormat");
}
}
else if ((srcFormatInfo.IsTypeless) && (destFormatInfo.IsTypeless))
{
if (Settings.Format != destination.Settings.Format)
{
throw new ArgumentException(string.Format(Resources.GORGFX_TEXTURE_RESOLVE_FORMATS_NOT_SAME, Settings.Format),
"destination");
}
if ((resolveFormatInfo.Group != srcFormatInfo.Group) ||
(resolveFormatInfo.Group != destFormatInfo.Group))
{
throw new ArgumentException(
string.Format(Resources.GORGFX_TEXTURE_RESOLVE_FORMAT_NOT_SAME_GROUP, Settings.Format),
"resolveFormat");
}
}
else if ((srcFormatInfo.IsTypeless) || (destFormatInfo.IsTypeless))
{
if (resolveFormatInfo.IsTypeless)
{
throw new ArgumentException(string.Format(Resources.GORGFX_TEXTURE_RESOLVE_FORMAT_CANNOT_BE_TYPELESS),
"resolveFormat");
}
if (srcFormatInfo.Group != destFormatInfo.Group)
{
throw new ArgumentException(
string.Format(Resources.GORGFX_TEXTURE_RESOLVE_SRC_DEST_NOT_SAME_GROUP,
Settings.Format,
destination.Settings.Format),
"destination");
}
}
#endif
int sourceIndex = D3D.Resource.CalculateSubResourceIndex(srcMipLevel, srcArrayIndex, Settings.MipCount);
int destIndex = D3D.Resource.CalculateSubResourceIndex(destMipLevel,
destArrayIndex,
destination.Settings.MipCount);
if (context == null)
{
context = Graphics;
}
context.Context.ResolveSubresource(D3DResource, sourceIndex, destination.D3DResource, destIndex, (GI.Format)resolveFormat);
}
/// <summary>
/// Initializes a new instance of the <see cref="GorgonTextureLockCache"/> class.
/// </summary>
/// <param name="texture">Texture that will be locked.</param>
public GorgonTextureLockCache(GorgonTexture texture)
{
_texture = texture;
_locks = new Dictionary <LockCacheKey, GorgonTextureLockData>();
}
/// <summary>
/// Function to validate the view settings.
/// </summary>
private void ValidateViewSettings(GorgonTexture texture)
{
if (Format == BufferFormat.Unknown)
{
throw new GorgonException(GorgonResult.CannotCreate, Resources.GORGFX_VIEW_UNKNOWN_FORMAT);
}
if (FormatInformation.IsTypeless)
{
throw new GorgonException(GorgonResult.CannotCreate, Resources.GORGFX_VIEW_NO_TYPELESS);
}
if ((texture.Settings.IsTextureCube) || (texture.Settings.Multisampling.Count > 1) || (texture.Settings.Multisampling.Quality > 0))
{
throw new GorgonException(GorgonResult.CannotCreate, Resources.GORGFX_VIEW_UAV_NOT_SUPPORTED);
}
// 3D textures don't use arrays.
if (texture.ResourceType != ResourceType.Texture3D)
{
if ((ArrayOrDepthCount > texture.Settings.ArrayCount) ||
(ArrayOrDepthCount + ArrayOrDepthStart > texture.Settings.ArrayCount) ||
(ArrayOrDepthCount < 1))
{
throw new GorgonException(GorgonResult.CannotCreate,
string.Format(Resources.GORGFX_VIEW_ARRAY_COUNT_INVALID,
texture.Settings.ArrayCount));
}
if ((ArrayOrDepthStart >= texture.Settings.ArrayCount) ||
(ArrayOrDepthStart < 0))
{
throw new GorgonException(GorgonResult.CannotCreate,
string.Format(Resources.GORGFX_VIEW_ARRAY_START_INVALID,
texture.Settings.ArrayCount));
}
}
else
{
if ((ArrayOrDepthCount > texture.Settings.Depth) ||
(ArrayOrDepthCount + ArrayOrDepthStart > texture.Settings.Depth) ||
(ArrayOrDepthCount < 1))
{
throw new GorgonException(GorgonResult.CannotCreate,
string.Format(Resources.GORGFX_VIEW_DEPTH_COUNT_INVALID,
texture.Settings.Depth));
}
if ((ArrayOrDepthStart >= texture.Settings.Depth) ||
(ArrayOrDepthStart < 0))
{
throw new GorgonException(GorgonResult.CannotCreate,
string.Format(Resources.GORGFX_VIEW_DEPTH_START_INVALID,
texture.Settings.Depth));
}
}
if ((MipIndex > texture.Settings.MipCount) || (MipIndex < 0))
{
throw new GorgonException(GorgonResult.CannotCreate,
string.Format(Resources.GORGFX_VIEW_MIP_COUNT_INVALID,
texture.Settings.MipCount));
}
if ((MipIndex >= texture.Settings.MipCount) ||
(MipIndex < 0))
{
throw new GorgonException(GorgonResult.CannotCreate,
string.Format(Resources.GORGFX_VIEW_MIP_START_INVALID,
texture.Settings.MipCount));
}
}
