internal static D3D.RenderTargetViewDimension ToD3DRenderTargetViewDimension(TextureDimensions dimensions, bool multisampleEnabled)
{
switch (dimensions)
{
case TextureDimensions.One:
return(D3D.RenderTargetViewDimension.Texture1DArray);
case TextureDimensions.Two:
if (multisampleEnabled)
{
return(D3D.RenderTargetViewDimension.Texture2DMultisampled);
}
else
{
return(D3D.RenderTargetViewDimension.Texture2D);
}
case TextureDimensions.Three:
return(D3D.RenderTargetViewDimension.Texture3D);
case TextureDimensions.Cube:
if (multisampleEnabled)
{
return(D3D.RenderTargetViewDimension.Texture2DMultisampledArray);
}
else
{
return(D3D.RenderTargetViewDimension.Texture2DArray);
}
default:
throw new ArgumentException("Invalid dimensions for render target creation");
}
}
internal static D3D.DepthStencilViewDimension ToD3DDepthStencilViewDimension(TextureDimensions dimensions, bool multisampleEnabled)
{
switch (dimensions)
{
case TextureDimensions.One:
return(D3D.DepthStencilViewDimension.Texture1DArray);
case TextureDimensions.Two:
if (multisampleEnabled)
{
return(D3D.DepthStencilViewDimension.Texture2DMultisampled);
}
else
{
return(D3D.DepthStencilViewDimension.Texture2D);
}
case TextureDimensions.Cube:
if (multisampleEnabled)
{
return(D3D.DepthStencilViewDimension.Texture2DMultisampledArray);
}
else
{
return(D3D.DepthStencilViewDimension.Texture2DArray);
}
case TextureDimensions.Three:
default:
throw new ArgumentException("Invalid dimensions for depth buffer creation");
}
}
public override Texture Load(IResource resource, LoaderParameters parameters)
{
Stream stream = resource.OpenStream();
BinaryReader input = new BinaryReader(stream);
DDSImageInfo image = ReadHeaderInfo(input);
SurfaceFormat format = DetermineFormat(image);
TextureDimensions dimensions = DetermineTextureDimensions(image);
switch (dimensions)
{
case TextureDimensions.Two:
Texture2D tex2d = LoadTexture2D(image, input, format);
tex2d.Name = resource.Name;
input.Close();
return(tex2d);
case TextureDimensions.Three:
Texture3D tex3d = LoadTexture3D(image, input, format);
tex3d.Name = resource.Name;
input.Close();
return(tex3d);
case TextureDimensions.Cube:
TextureCube texcube = LoadTextureCube(image, input, format);
texcube.Name = resource.Name;
input.Close();
return(texcube);
default:
input.Close();
throw new InvalidOperationException("Error loading DDS file");
}
}
/// <summary>
/// Queries if the specified surface format is valid for vertex texture resources.
/// </summary>
/// <param name="surfaceFormat">Surface format</param>
/// <param name="surfaceFormat">Surface format</param>
/// <returns>True if valid, false otherwise</returns>
public bool QueryVertexTextureFormat(SurfaceFormat surfaceFormat, TextureDimensions texType)
{
if (_graphicsDevice.GraphicsProfile == XFG.GraphicsProfile.HiDef)
{
return(_supportedVertexTextureFormats.Contains(XNAHelper.ToXNASurfaceFormat(surfaceFormat)));
}
else
{
return(false); //Vertex textures not supported
}
}
private static SamplerType ConvertSamplerType(TextureDimensions dimensions)
{
switch (dimensions)
{
case TextureDimensions.Texture1D: return(SamplerType.Texture1D);
case TextureDimensions.Texture2D: return(SamplerType.Texture2D);
case TextureDimensions.Texture3D: return(SamplerType.Texture3D);
case TextureDimensions.TextureCube: return(SamplerType.TextureCube);
}
throw new ArgumentException($"Invalid texture dimensions \"{dimensions}\".");
}
/// <summary>
/// Queries if the specified surface format is valid for texture resources.
/// </summary>
/// <param name="surfaceFormat">Surface format</param>
/// <param name="texType">The texture type</param>
/// <returns>True if valid, false otherwise</returns>
public bool QueryTextureFormat(SurfaceFormat surfaceFormat, TextureDimensions texType)
{
DXGI.Format format = D3D10Helper.ToD3DSurfaceFormat(surfaceFormat);
D3D.FormatSupport support = _graphicsDevice.CheckFormatSupport(format);
switch (texType)
{
case TextureDimensions.One:
return((support & D3D.FormatSupport.Texture1D) == D3D.FormatSupport.Texture1D);
case TextureDimensions.Two:
return((support & D3D.FormatSupport.Texture2D) == D3D.FormatSupport.Texture2D);
case TextureDimensions.Three:
return((support & D3D.FormatSupport.Texture3D) == D3D.FormatSupport.Texture3D);
case TextureDimensions.Cube:
return((support & D3D.FormatSupport.TextureCube) == D3D.FormatSupport.TextureCube);
}
return(false);
}
/// <summary>
/// Queries if the specified surface format is valid for texture resources.
/// </summary>
/// <param name="surfaceFormat">Surface format</param>
/// <param name="surfaceFormat">Surface format</param>
/// <returns>True if valid, false otherwise</returns>
public bool QueryTextureFormat(SurfaceFormat surfaceFormat, TextureDimensions texType)
{
return(_supportedTextureFormats.Contains(XNAHelper.ToXNASurfaceFormat(surfaceFormat)));
}
/// <summary>
/// Queries if the specified surface format is valid for vertex texture resources.
/// </summary>
/// <param name="surfaceFormat">Surface format</param>
/// <param name="texType">The texture type</param>
/// <returns>True if valid, false otherwise</returns>
public bool QueryVertexTextureFormat(SurfaceFormat surfaceFormat, TextureDimensions texType)
{
//TODO: Is there an explict check for vertex texture formats? For now just mimic the regular format check.
//Might have to check which formats support manually.
return(QueryTextureFormat(surfaceFormat, texType));
}
