/// <summary>
/// Function to create a new texture that is bindable to the GPU as an unordered access resource.
/// </summary>
/// <param name="graphics">The graphics interface to use when creating the target.</param>
/// <param name="info">The information about the texture.</param>
/// <param name="initialData">[Optional] Initial data used to populate the texture.</param>
/// <returns>A new <see cref="GorgonTexture3DReadWriteView"/>.</returns>
/// <exception cref="ArgumentNullException">Thrown when the <paramref name="graphics"/>, or <paramref name="info"/> parameter is <b>null</b>.</exception>
/// <remarks>
/// <para>
/// This is a convenience method that will create a <see cref="GorgonTexture3D"/> and a <see cref="GorgonTexture3DReadWriteView"/> as a single object that users can use to apply a texture as an unordered
/// access resource. This helps simplify creation of a texture by executing some prerequisite steps on behalf of the user.
/// </para>
/// <para>
/// Since the <see cref="GorgonTexture3D"/> created by this method is linked to the <see cref="GorgonTexture3DReadWriteView"/> returned, disposal of either one will dispose of the other on your behalf. If
/// the user created a <see cref="GorgonTexture3DReadWriteView"/> from the <see cref="GorgonTexture3D.GetReadWriteView"/> method on the <see cref="GorgonTexture3D"/>, then it's assumed the user knows
/// what they are doing and will handle the disposal of the texture and view on their own.
/// </para>
/// <para>
/// If an <paramref name="initialData"/> image is provided, and the width/height/depth is not the same as the values in the <paramref name="info"/> parameter, then the image data will be cropped to
/// match the values in the <paramref name="info"/> parameter. Things like array count, and mip levels will still be taken from the <paramref name="initialData"/> image parameter.
/// </para>
/// </remarks>
/// <seealso cref="GorgonTexture3D"/>
public static GorgonTexture3DReadWriteView CreateTexture(GorgonGraphics graphics, IGorgonTexture3DInfo info, IGorgonImage initialData = null)
{
if (graphics == null)
{
throw new ArgumentNullException(nameof(graphics));
}
if (info == null)
{
throw new ArgumentNullException(nameof(info));
}
var newInfo = new GorgonTexture3DInfo(info)
{
Usage = info.Usage == ResourceUsage.Staging ? ResourceUsage.Default : info.Usage,
Binding = (((info.Binding & TextureBinding.ReadWriteView) != TextureBinding.ReadWriteView)
? (info.Binding | TextureBinding.ReadWriteView)
: info.Binding) & ~TextureBinding.DepthStencil // There's now way we can build a depth/stencil from this method.
};
if (initialData != null)
{
if ((initialData.Width > info.Width) ||
(initialData.Height > info.Height) ||
(initialData.Depth > info.Depth))
{
initialData = initialData.Expand(info.Width, info.Height, info.Depth);
}
if ((initialData.Width < info.Width) ||
(initialData.Height < info.Height) ||
(initialData.Depth < info.Depth))
{
initialData = initialData.Crop(new DX.Rectangle(0, 0, info.Width, info.Height), info.Depth);
}
}
GorgonTexture3D texture = initialData == null
? new GorgonTexture3D(graphics, newInfo)
: initialData.ToTexture3D(graphics,
new GorgonTextureLoadOptions
{
Usage = newInfo.Usage,
Binding = newInfo.Binding,
Name = newInfo.Name
});
GorgonTexture3DReadWriteView result = texture.GetReadWriteView();
result.OwnsResource = true;
return(result);
}
/// <summary>
/// Function to create a new texture that is bindable to the GPU.
/// </summary>
/// <param name="graphics">The graphics interface to use when creating the target.</param>
/// <param name="info">The information about the texture.</param>
/// <param name="initialData">[Optional] Initial data used to populate the texture.</param>
/// <returns>A new <see cref="GorgonTexture3DView"/>.</returns>
/// <exception cref="ArgumentNullException">Thrown when the <paramref name="graphics"/>, or <paramref name="info"/> parameter is <b>null</b>.</exception>
/// <remarks>
/// <para>
/// This is a convenience method that will create a <see cref="GorgonTexture3D"/> and a <see cref="GorgonTexture3DView"/> as a single object that users can use to apply a texture as a shader
/// resource. This helps simplify creation of a texture by executing some prerequisite steps on behalf of the user.
/// </para>
/// <para>
/// Since the <see cref="GorgonTexture3D"/> created by this method is linked to the <see cref="GorgonTexture3DView"/> returned, disposal of either one will dispose of the other on your behalf. If
/// the user created a <see cref="GorgonTexture3DView"/> from the <see cref="GorgonTexture3D.GetShaderResourceView"/> method on the <see cref="GorgonTexture3D"/>, then it's assumed the user knows
/// what they are doing and will handle the disposal of the texture and view on their own.
/// </para>
/// <para>
/// If an <paramref name="initialData"/> image is provided, and the width/height/depth is not the same as the values in the <paramref name="info"/> parameter, then the image data will be cropped to
/// match the values in the <paramref name="info"/> parameter. Things like array count, and mip levels will still be taken from the <paramref name="initialData"/> image parameter.
/// </para>
/// </remarks>
/// <seealso cref="GorgonTexture3D"/>
public static GorgonTexture3DView CreateTexture(GorgonGraphics graphics, IGorgonTexture3DInfo info, IGorgonImage initialData = null)
{
if (graphics == null)
{
throw new ArgumentNullException(nameof(graphics));
}
if (info == null)
{
throw new ArgumentNullException(nameof(info));
}
var newInfo = new GorgonTexture3DInfo(info)
{
Usage = info.Usage == ResourceUsage.Staging ? ResourceUsage.Default : info.Usage,
Binding = (info.Binding & TextureBinding.ShaderResource) != TextureBinding.ShaderResource
? (info.Binding | TextureBinding.ShaderResource)
: info.Binding
};
if (initialData != null)
{
if ((initialData.Width < info.Width) ||
(initialData.Height < info.Height) ||
(initialData.Depth < info.Depth))
{
initialData = initialData.Expand(info.Width, info.Height, info.Depth);
}
if ((initialData.Width > info.Width) ||
(initialData.Height > info.Height) ||
(initialData.Depth > info.Depth))
{
initialData = initialData.Crop(new DX.Rectangle(0, 0, info.Width, info.Height), info.Depth);
}
}
GorgonTexture3D texture = initialData == null
? new GorgonTexture3D(graphics, newInfo)
: initialData.ToTexture3D(graphics,
new GorgonTextureLoadOptions
{
Usage = newInfo.Usage,
Binding = newInfo.Binding,
Name = newInfo.Name
});
GorgonTexture3DView result = texture.GetShaderResourceView();
result.OwnsResource = true;
return(result);
}
/// <summary>
/// Function to create a new render target that is bindable to the GPU.
/// </summary>
/// <param name="graphics">The graphics interface to use when creating the target.</param>
/// <param name="info">The information about the texture.</param>
/// <returns>A new <see cref="GorgonRenderTarget3DView"/>.</returns>
/// <exception cref="ArgumentNullException">Thrown when the <paramref name="graphics"/>, or <paramref name="info"/> parameter is <b>null</b>.</exception>
/// <remarks>
/// <para>
/// This is a convenience method that will create a <see cref="GorgonTexture3D"/> and a <see cref="GorgonRenderTarget3DView"/> as a single object that users can use to apply a render target texture.
/// This helps simplify creation of a render target by executing some prerequisite steps on behalf of the user.
/// </para>
/// <para>
/// Since the <see cref="GorgonTexture3D"/> created by this method is linked to the <see cref="GorgonRenderTarget3DView"/> returned, disposal of either one will dispose of the other on your behalf.
/// If the user created a <see cref="GorgonRenderTarget3DView"/> from the <see cref="GorgonTexture3D.GetRenderTargetView"/> method on the <see cref="GorgonTexture3D"/>, then it's assumed the user
/// knows what they are doing and will handle the disposal of the texture and view on their own.
/// </para>
/// </remarks>
/// <seealso cref="GorgonTexture3D"/>
public static GorgonRenderTarget3DView CreateRenderTarget(GorgonGraphics graphics, IGorgonTexture3DInfo info)
{
if (graphics == null)
{
throw new ArgumentNullException(nameof(graphics));
}
if (info == null)
{
throw new ArgumentNullException(nameof(info));
}
TextureBinding binding = TextureBinding.RenderTarget;
if ((info.Binding & TextureBinding.ShaderResource) == TextureBinding.ShaderResource)
{
binding |= TextureBinding.ShaderResource;
}
if ((info.Binding & TextureBinding.ShaderResource) == TextureBinding.ReadWriteView)
{
binding |= TextureBinding.ReadWriteView;
}
var newInfo = new GorgonTexture3DInfo(info)
{
// Can't see a reason to use anything other than default for rtvs
Usage = ResourceUsage.Default,
Binding = binding
};
var texture = new GorgonTexture3D(graphics, newInfo);
GorgonRenderTarget3DView result = texture.GetRenderTargetView();
result.OwnsResource = true;
return(result);
}
