/// <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
public void Dispose()
{
for (int i = 0; i < _volumeRtSections.Length; ++i)
{
_volumeSections[i]?.Dispose();
_volumeRtSections[i]?.Dispose();
}
_textureView = null;
_cube?.Dispose();
_volumeScaleFactor?.Dispose();
_volumeRayParams?.Dispose();
_cubeTransform?.Dispose();
_cubePosShader?.Dispose();
_cubeDirShader?.Dispose();
_cubeVs?.Dispose();
_inputLayout?.Dispose();
_cubeTransform = null;
_inputLayout = null;
_cube = null;
_volumeScaleFactor = null;
_volumeRayParams = null;
_cubePosShader = null;
_cubeDirShader = null;
_cubeVs = null;
}
/// <summary>Function to dispose any texture resources.</summary>
protected override void OnDestroyTexture()
{
_texture?.Dispose();
_textureView?.Dispose();
_texture = null;
_textureView = null;
}
/// <summary>Function to create the texture for the view.</summary>
/// <param name="graphics">The graphics interface used to create the texture.</param>
/// <param name="imageData">The image data to create the texture from.</param>
/// <param name="name">The name of the texture.</param>
protected override void OnCreateTexture(GorgonGraphics graphics, IGorgonImage imageData, string name)
{
_texture = imageData.ToTexture3D(graphics, new GorgonTextureLoadOptions
{
Name = name,
Binding = TextureBinding.ShaderResource,
Usage = ResourceUsage.Immutable
});
_textureView = _texture.GetShaderResourceView();
_volRenderer.AssignTexture(_textureView);
}
/// <summary>
/// Function to assign the volume texture to render.
/// </summary>
/// <param name="texture">The volume texture to render.</param>
public void AssignTexture(GorgonTexture3DView texture)
{
_textureView = texture;
var size = new DX.Vector3(texture.Width, texture.Height, texture.Depth);
float maxSize = texture.Width.Max(texture.Height).Max(texture.Depth);
var volParams = new VolumeRayParameters
{
Steps = new DX.Vector3(1.0f / texture.Width,
1.0f / texture.Height,
1.0f / texture.Depth) * 0.5f,
Iterations = (int)(maxSize * 2.0f)
};
_volumeRayParams.SetData(ref volParams);
var scaleFactor = new DX.Vector4(1.0f, 1.0f, 1.0f / (maxSize / size.Z), 1.0f);
_volumeScaleFactor.SetData(ref scaleFactor);
RebuildVolumeData();
}