/// <summary>
/// Retrieves the native format from the PixelFormat.
/// </summary>
/// <param name="format">The format.</param>
/// <returns></returns>
/// <exception cref="TexLibraryException">UnHandled compression format by PowerVC Texture Tool.</exception>
private UInt64 RetrieveNativeFormat(Xenko.Graphics.PixelFormat format)
{
switch (format)
{
case Xenko.Graphics.PixelFormat.ETC1:
return(6);
case Xenko.Graphics.PixelFormat.ETC2_RGB:
case Xenko.Graphics.PixelFormat.ETC2_RGB_SRgb:
return(22);
case Xenko.Graphics.PixelFormat.ETC2_RGBA:
case Xenko.Graphics.PixelFormat.ETC2_RGBA_SRgb:
return(23);
case Xenko.Graphics.PixelFormat.ETC2_RGB_A1:
return(24);
case Xenko.Graphics.PixelFormat.EAC_R11_Unsigned:
return(25);
case Xenko.Graphics.PixelFormat.EAC_R11_Signed:
return(26);
case Xenko.Graphics.PixelFormat.EAC_RG11_Unsigned:
return(27);
case Xenko.Graphics.PixelFormat.EAC_RG11_Signed:
return(28);
case Xenko.Graphics.PixelFormat.R32G32B32A32_Float:
case Xenko.Graphics.PixelFormat.R32G32B32_Float:
case Xenko.Graphics.PixelFormat.R32G32B32A32_UInt:
case Xenko.Graphics.PixelFormat.R32G32B32_UInt:
case Xenko.Graphics.PixelFormat.R32G32B32A32_SInt:
case Xenko.Graphics.PixelFormat.R32G32B32_SInt:
return(Utilities.ConvertPixelType(PixelType.Standard32PixelType));
case Xenko.Graphics.PixelFormat.R16G16B16A16_UNorm:
case Xenko.Graphics.PixelFormat.R16G16B16A16_UInt:
case Xenko.Graphics.PixelFormat.R16G16B16A16_SNorm:
case Xenko.Graphics.PixelFormat.R16G16B16A16_SInt:
return(Utilities.ConvertPixelType(PixelType.Standard16PixelType));
case Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm_SRgb:
case Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm:
case Xenko.Graphics.PixelFormat.R8G8B8A8_UInt:
case Xenko.Graphics.PixelFormat.R8G8B8A8_SNorm:
case Xenko.Graphics.PixelFormat.R8G8B8A8_SInt:
return(Utilities.ConvertPixelType(PixelType.Standard8PixelType));
default:
Log.Error("UnHandled compression format by PowerVC Texture Tool.");
throw new TextureToolsException("UnHandled compression format by PowerVC Texture Tool.");
}
}
private bool NeedToRecreateTexture(Xenko.Graphics.Texture tex, Vector3 dim, Xenko.Graphics.PixelFormat pixelFormat, MultisampleCount samples)
{
if (tex == null || !TextureDimensionsEqual(tex, dim) || tex.Format != pixelFormat || tex.MultisampleCount != samples)
{
if (tex != null)
{
tex.Dispose();
}
return(true);
}
return(false);
}
/// <summary>
/// Determines whether this requested format is supported.
/// </summary>
/// <param name="format">The format.</param>
/// <returns>
/// <c>true</c> if the formats is supported; otherwise, <c>false</c>.
/// </returns>
public bool SupportFormat(Xenko.Graphics.PixelFormat format)
{
switch (format)
{
case Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm:
case Xenko.Graphics.PixelFormat.B8G8R8A8_UNorm:
case Xenko.Graphics.PixelFormat.ATC_RGB:
case Xenko.Graphics.PixelFormat.ATC_RGBA_Explicit:
case Xenko.Graphics.PixelFormat.ATC_RGBA_Interpolated:
return(true);
default:
return(false);
}
}
private EPVRTVariableType RetrieveNativePixelType(Xenko.Graphics.PixelFormat format)
{
switch (format)
{
case Xenko.Graphics.PixelFormat.R32G32B32A32_Float:
case Xenko.Graphics.PixelFormat.R32G32B32_Float:
return(EPVRTVariableType.ePVRTVarTypeFloat);
//case Xenko.Framework.Graphics.PixelFormat.R16G16B16A16_Float:
case Xenko.Graphics.PixelFormat.R32G32B32A32_UInt:
case Xenko.Graphics.PixelFormat.R32G32B32_UInt:
return(EPVRTVariableType.ePVRTVarTypeUnsignedInteger);
case Xenko.Graphics.PixelFormat.R32G32B32A32_SInt:
case Xenko.Graphics.PixelFormat.R32G32B32_SInt:
return(EPVRTVariableType.ePVRTVarTypeSignedInteger);
case Xenko.Graphics.PixelFormat.R16G16B16A16_UNorm:
return(EPVRTVariableType.ePVRTVarTypeUnsignedShortNorm);
case Xenko.Graphics.PixelFormat.R16G16B16A16_UInt:
return(EPVRTVariableType.ePVRTVarTypeUnsignedShort);
case Xenko.Graphics.PixelFormat.R16G16B16A16_SNorm:
return(EPVRTVariableType.ePVRTVarTypeSignedShortNorm);
case Xenko.Graphics.PixelFormat.R16G16B16A16_SInt:
return(EPVRTVariableType.ePVRTVarTypeSignedShort);
case Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm_SRgb:
case Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm:
return(EPVRTVariableType.ePVRTVarTypeUnsignedByteNorm);
case Xenko.Graphics.PixelFormat.R8G8B8A8_UInt:
return(EPVRTVariableType.ePVRTVarTypeUnsignedByte);
case Xenko.Graphics.PixelFormat.R8G8B8A8_SNorm:
return(EPVRTVariableType.ePVRTVarTypeSignedByteNorm);
case Xenko.Graphics.PixelFormat.R8G8B8A8_SInt:
return(EPVRTVariableType.ePVRTVarTypeSignedByte);
default:
return(EPVRTVariableType.ePVRTVarTypeUnsignedByteNorm);
}
}
/// <summary>
/// Determines whether the specified compression format is supported by this library
/// </summary>
/// <param name="format">The format.</param>
/// <returns>
/// <c>true</c> if the formats is supported by this library; otherwise, <c>false</c>.
/// </returns>
private bool SupportFormat(Xenko.Graphics.PixelFormat format)
{
switch (format)
{
case Xenko.Graphics.PixelFormat.R32G32B32A32_Float:
case Xenko.Graphics.PixelFormat.R32G32B32_Float:
case Xenko.Graphics.PixelFormat.R32G32B32A32_UInt:
case Xenko.Graphics.PixelFormat.R32G32B32_UInt:
case Xenko.Graphics.PixelFormat.R32G32B32A32_SInt:
case Xenko.Graphics.PixelFormat.R32G32B32_SInt:
case Xenko.Graphics.PixelFormat.R16G16B16A16_UNorm:
case Xenko.Graphics.PixelFormat.R16G16B16A16_UInt:
case Xenko.Graphics.PixelFormat.R16G16B16A16_SNorm:
case Xenko.Graphics.PixelFormat.R16G16B16A16_SInt:
case Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm_SRgb:
case Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm:
case Xenko.Graphics.PixelFormat.R8G8B8A8_UInt:
case Xenko.Graphics.PixelFormat.R8G8B8A8_SNorm:
case Xenko.Graphics.PixelFormat.R8G8B8A8_SInt:
case Xenko.Graphics.PixelFormat.B8G8R8A8_UNorm_SRgb:
case Xenko.Graphics.PixelFormat.B8G8R8A8_UNorm:
case Xenko.Graphics.PixelFormat.PVRTC_2bpp_RGB:
case Xenko.Graphics.PixelFormat.PVRTC_2bpp_RGBA:
case Xenko.Graphics.PixelFormat.PVRTC_4bpp_RGB:
case Xenko.Graphics.PixelFormat.PVRTC_4bpp_RGBA:
case Xenko.Graphics.PixelFormat.PVRTC_II_2bpp:
case Xenko.Graphics.PixelFormat.PVRTC_II_4bpp:
case Xenko.Graphics.PixelFormat.PVRTC_2bpp_RGB_SRgb:
case Xenko.Graphics.PixelFormat.PVRTC_2bpp_RGBA_SRgb:
case Xenko.Graphics.PixelFormat.PVRTC_4bpp_RGB_SRgb:
case Xenko.Graphics.PixelFormat.PVRTC_4bpp_RGBA_SRgb:
case Xenko.Graphics.PixelFormat.ETC1:
case Xenko.Graphics.PixelFormat.ETC2_RGB:
case Xenko.Graphics.PixelFormat.ETC2_RGB_SRgb:
case Xenko.Graphics.PixelFormat.ETC2_RGBA:
case Xenko.Graphics.PixelFormat.ETC2_RGBA_SRgb:
case Xenko.Graphics.PixelFormat.ETC2_RGB_A1:
case Xenko.Graphics.PixelFormat.EAC_R11_Unsigned:
case Xenko.Graphics.PixelFormat.EAC_R11_Signed:
case Xenko.Graphics.PixelFormat.EAC_RG11_Unsigned:
case Xenko.Graphics.PixelFormat.EAC_RG11_Signed:
return(true);
default:
return(false);
}
}
/// <summary>
/// Retrieves the native format from <see cref="Xenko.Graphics.PixelFormat"/>.
/// </summary>
/// <param name="format">The format.</param>
/// <returns>the corresponding <see cref="Format"/> format</returns>
private Format RetrieveNativeFormat(Xenko.Graphics.PixelFormat format)
{
switch (format)
{
case Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm:
case Xenko.Graphics.PixelFormat.B8G8R8A8_UNorm:
return(Format.ATI_TC_FORMAT_ARGB_8888);
case Xenko.Graphics.PixelFormat.ATC_RGB:
return(Format.ATI_TC_FORMAT_ATC_RGB);
case Xenko.Graphics.PixelFormat.ATC_RGBA_Explicit:
return(Format.ATI_TC_FORMAT_ATC_RGBA_Explicit);
case Xenko.Graphics.PixelFormat.ATC_RGBA_Interpolated:
return(Format.ATI_TC_FORMAT_ATC_RGBA_Interpolated);
default:
throw new TextureToolsException("UnHandled compression format by ATI texture.");
}
}
public void UpdateTexture(VoxelStorageContext context, ref IVoxelStorageTexture texture, Xenko.Graphics.PixelFormat pixelFormat, int LayoutSize)
{
VoxelStorageTextureClipmap clipmap = texture as VoxelStorageTextureClipmap;
if (clipmap == null)
{
clipmap = new VoxelStorageTextureClipmap();
}
Vector3 ClipMapTextureResolution = new Vector3(ClipMapResolution.X, ClipMapResolution.Y * ClipMapCount * LayoutSize, ClipMapResolution.Z);
Vector3 MipMapResolution = new Vector3(ClipMapResolution.X / 2, ClipMapResolution.Y / 2 * LayoutSize, ClipMapResolution.Z / 2);
if (VoxelUtils.DisposeTextureBySpecs(clipmap.ClipMaps, ClipMapTextureResolution, pixelFormat))
{
clipmap.ClipMaps = Xenko.Graphics.Texture.New3D(context.device, (int)ClipMapTextureResolution.X, (int)ClipMapTextureResolution.Y, (int)ClipMapTextureResolution.Z, new MipMapCount(false), pixelFormat, TextureFlags.ShaderResource | TextureFlags.UnorderedAccess);
}
if (VoxelUtils.DisposeTextureBySpecs(clipmap.MipMaps, MipMapResolution, pixelFormat))
{
if (clipmap.TempMipMaps != null)
{
for (int i = 0; i < clipmap.TempMipMaps.Length; i++)
{
clipmap.TempMipMaps[i].Dispose();
}
}
Vector3 MipMapResolutionMax = MipMapResolution;
clipmap.MipMaps = Xenko.Graphics.Texture.New3D(context.device, (int)MipMapResolution.X, (int)MipMapResolution.Y, (int)MipMapResolution.Z, new MipMapCount(true), pixelFormat, TextureFlags.ShaderResource | TextureFlags.UnorderedAccess);
clipmap.TempMipMaps = new Xenko.Graphics.Texture[MipMapCount];
for (int i = 0; i < clipmap.TempMipMaps.Length; i++)
{
clipmap.TempMipMaps[i] = Xenko.Graphics.Texture.New3D(context.device, (int)MipMapResolutionMax.X, (int)MipMapResolutionMax.Y, (int)MipMapResolutionMax.Z, false, pixelFormat, TextureFlags.ShaderResource | TextureFlags.UnorderedAccess);
MipMapResolutionMax /= 2;
}
}
clipmap.DownsampleFinerClipMaps = DownsampleFinerClipMaps;
clipmap.ClipMapResolution = ClipMapResolution;
clipmap.ClipMapCount = ClipMapCount;
clipmap.LayoutSize = LayoutSize;
clipmap.VoxelSize = context.RealVoxelSize();
clipmap.VolumeTranslation = new Int3((int)context.VoxelSpaceTranslation.X, (int)context.VoxelSpaceTranslation.Y, (int)context.VoxelSpaceTranslation.Z);
Array.Copy(MippingOffset, clipmap.MippingOffset, MippingOffset.Length);
Array.Copy(PerMapOffsetScale, clipmap.PerMapOffsetScale, PerMapOffsetScale.Length);
texture = clipmap;
}
private Xenko.Graphics.PixelFormat RetrieveFormatFromNativeData(PVRTextureHeader header)
{
Xenko.Graphics.PixelFormat format = header.GetFormat();
if (format == Xenko.Graphics.PixelFormat.R32G32B32A32_Float)
{
switch (header.GetChannelType())
{
case EPVRTVariableType.ePVRTVarTypeFloat:
return(Xenko.Graphics.PixelFormat.R32G32B32A32_Float);
case EPVRTVariableType.ePVRTVarTypeUnsignedInteger:
return(Xenko.Graphics.PixelFormat.R32G32B32A32_UInt);
case EPVRTVariableType.ePVRTVarTypeSignedInteger:
return(Xenko.Graphics.PixelFormat.R32G32B32A32_SInt);
}
}
else if (format == Xenko.Graphics.PixelFormat.R16G16B16A16_UNorm)
{
switch (header.GetChannelType())
{
case EPVRTVariableType.ePVRTVarTypeUnsignedShortNorm:
return(Xenko.Graphics.PixelFormat.R16G16B16A16_UNorm);
case EPVRTVariableType.ePVRTVarTypeUnsignedShort:
return(Xenko.Graphics.PixelFormat.R16G16B16A16_UInt);
case EPVRTVariableType.ePVRTVarTypeSignedShortNorm:
return(Xenko.Graphics.PixelFormat.R16G16B16A16_SNorm);
case EPVRTVariableType.ePVRTVarTypeSignedShort:
return(Xenko.Graphics.PixelFormat.R16G16B16A16_SInt);
}
}
else if (format == Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm)
{
switch (header.GetChannelType())
{
case EPVRTVariableType.ePVRTVarTypeUnsignedByteNorm:
{
if (header.GetColourSpace() == EPVRTColourSpace.ePVRTCSpacelRGB)
{
return(Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm);
}
else
{
return(Xenko.Graphics.PixelFormat.R8G8B8A8_UNorm_SRgb);
}
}
case EPVRTVariableType.ePVRTVarTypeUnsignedByte:
return(Xenko.Graphics.PixelFormat.R8G8B8A8_UInt);
case EPVRTVariableType.ePVRTVarTypeSignedByteNorm:
return(Xenko.Graphics.PixelFormat.R8G8B8A8_SNorm);
case EPVRTVariableType.ePVRTVarTypeSignedByte:
return(Xenko.Graphics.PixelFormat.R8G8B8A8_SInt);
}
}
return(format);
}
private EPVRTColourSpace RetrieveNativeColorSpace(Xenko.Graphics.PixelFormat format)
{
return(format.IsSRgb() ? EPVRTColourSpace.ePVRTCSpaceSRgb : EPVRTColourSpace.ePVRTCSpacelRGB);
}
/// <summary>
/// Retrieves the native format from <see cref="Xenko.Graphics.PixelFormat"/>.
/// </summary>
/// <param name="format">The format.</param>
/// <returns>The corresponding <see cref="DXGI_FORMAT"/></returns>
private DXGI_FORMAT RetrieveNativeFormat(Xenko.Graphics.PixelFormat format)
{
return((DXGI_FORMAT)format);
}
public static bool DisposeTextureBySpecs(Xenko.Graphics.Texture tex, Vector3 dim, Xenko.Graphics.PixelFormat pixelFormat, MultisampleCount samples)
{
if (tex == null || !TextureDimensionsEqual(tex, dim) || tex.Format != pixelFormat || tex.MultisampleCount != samples)
{
if (tex != null)
{
tex.Dispose();
}
return(true);
}
return(false);
}
public void UpdateTexture(VoxelStorageContext context, ref IVoxelStorageTexture texture, Xenko.Graphics.PixelFormat pixelFormat, int layoutCount)
{
VoxelStorageTextureClipmap clipmap = texture as VoxelStorageTextureClipmap;
if (clipmap == null)
{
clipmap = new VoxelStorageTextureClipmap();
}
Vector3 ClipMapTextureResolution = new Vector3(ClipMapResolution.X, ClipMapResolution.Y * ClipMapCount * layoutCount, ClipMapResolution.Z);
Vector3 MipMapResolution = new Vector3(ClipMapResolution.X / 2, ClipMapResolution.Y / 2 * layoutCount, ClipMapResolution.Z / 2);
Vector3 MipMapNoLayoutResolution = new Vector3(ClipMapResolution.X / 2, ClipMapResolution.Y / 2, ClipMapResolution.Z / 2);
if (NeedToRecreateTexture(clipmap.ClipMaps, ClipMapTextureResolution, pixelFormat))
{
clipmap.ClipMaps = Xenko.Graphics.Texture.New3D(context.device, (int)ClipMapTextureResolution.X, (int)ClipMapTextureResolution.Y, (int)ClipMapTextureResolution.Z, new MipMapCount(false), pixelFormat, TextureFlags.ShaderResource | TextureFlags.UnorderedAccess);
}
if (NeedToRecreateTexture(clipmap.MipMaps, MipMapResolution, pixelFormat))
{
if (clipmap.TempMipMaps != null)
{
for (int i = 0; i < clipmap.TempMipMaps.Length; i++)
{
clipmap.TempMipMaps[i].Dispose();
}
}
Vector3 MipMapResolutionMax = MipMapResolution;
int mipCount = 1 + (int)Math.Floor(Math.Log(Math.Min(MipMapNoLayoutResolution.X, Math.Min(MipMapNoLayoutResolution.Y, MipMapNoLayoutResolution.Z)), 2));
clipmap.MipMaps = Xenko.Graphics.Texture.New3D(context.device, (int)MipMapResolution.X, (int)MipMapResolution.Y, (int)MipMapResolution.Z, new MipMapCount(true), pixelFormat, TextureFlags.ShaderResource | TextureFlags.UnorderedAccess);
clipmap.TempMipMaps = new Xenko.Graphics.Texture[mipCount];
for (int i = 0; i < clipmap.TempMipMaps.Length; i++)
{
clipmap.TempMipMaps[i] = Xenko.Graphics.Texture.New3D(context.device, (int)MipMapResolutionMax.X, (int)MipMapResolutionMax.Y, (int)MipMapResolutionMax.Z, false, pixelFormat, TextureFlags.ShaderResource | TextureFlags.UnorderedAccess);
MipMapResolutionMax /= 2;
}
}
clipmap.MipmapInner = MipmapInner;
clipmap.ClipMapResolution = ClipMapResolution;
clipmap.ClipMapCount = ClipMapCount;
clipmap.LayoutSize = layoutCount;
clipmap.VoxelMatrix = InnerTextureMatrix;
clipmap.VoxelSize = context.RealVoxelSize();
texture = clipmap;
}