/// <summary>
/// Static constructor for wrapping default surface shader created by Cycles shader manager.
/// </summary>
/// <param name="client"></param>
/// <returns></returns>
static public Shader WrapDefaultSurfaceShader(Client client)
{
var shader = new Shader(client, ShaderType.Material, CSycles.DEFAULT_SURFACE_SHADER)
{
Name = "default_surface"
};
// just add nodes so we have local node presentation, but no need to actually finalise
// since it already exists in Cycles.
var diffuse_bsdf = new DiffuseBsdfNode();
diffuse_bsdf.ins.Color.Value = new float4(0.8f);
shader.AddNode(diffuse_bsdf);
diffuse_bsdf.outs.BSDF.Connect(shader.Output.ins.Surface);
return(shader);
}
/// <summary>
/// Static constructor for wrapping default light shader created by Cycles shader manager.
/// </summary>
/// <param name="client"></param>
/// <returns></returns>
static public Shader WrapDefaultLightShader(Client client)
{
var shader = new Shader(client, ShaderType.Material, CSycles.DEFAULT_LIGHT_SHADER)
{
Name = "default_light"
};
// just add nodes so we have local node presentation, but no need to actually finalise
// since it already exists in Cycles.
var emission_node = new EmissionNode();
emission_node.ins.Color.Value = new float4(0.8f);
emission_node.ins.Strength.Value = 0.0f;
shader.AddNode(emission_node);
emission_node.outs.Emission.Connect(shader.Output.ins.Surface);
return(shader);
}
public static Shader create_some_setup_shader()
{
var some_setup = new Shader(Client, Shader.ShaderType.Material)
{
Name = "some_setup ",
UseMis = false,
UseTransparentShadow = true,
HeterogeneousVolume = false
};
var brick_texture = new BrickTexture();
brick_texture.ins.Vector.Value = new float4(0.000f, 0.000f, 0.000f);
brick_texture.ins.Color1.Value = new float4(0.800f, 0.800f, 0.800f);
brick_texture.ins.Color2.Value = new float4(0.200f, 0.200f, 0.200f);
brick_texture.ins.Mortar.Value = new float4(0.000f, 0.000f, 0.000f);
brick_texture.ins.Scale.Value = 1.000f;
brick_texture.ins.MortarSize.Value = 0.020f;
brick_texture.ins.Bias.Value = 0.000f;
brick_texture.ins.BrickWidth.Value = 0.500f;
brick_texture.ins.RowHeight.Value = 0.250f;
var checker_texture = new CheckerTexture();
checker_texture.ins.Vector.Value = new float4(0.000f, 0.000f, 0.000f);
checker_texture.ins.Color1.Value = new float4(0.000f, 0.004f, 0.800f);
checker_texture.ins.Color2.Value = new float4(0.200f, 0.000f, 0.007f);
checker_texture.ins.Scale.Value = 5.000f;
var diffuse_bsdf = new DiffuseBsdfNode();
diffuse_bsdf.ins.Color.Value = new float4(0.800f, 0.800f, 0.800f);
diffuse_bsdf.ins.Roughness.Value = 0.000f;
diffuse_bsdf.ins.Normal.Value = new float4(0.000f, 0.000f, 0.000f);
var texture_coordinate = new TextureCoordinateNode();
some_setup.AddNode(brick_texture);
some_setup.AddNode(checker_texture);
some_setup.AddNode(diffuse_bsdf);
some_setup.AddNode(texture_coordinate);
brick_texture.outs.Color.Connect(diffuse_bsdf.ins.Color);
checker_texture.outs.Color.Connect(brick_texture.ins.Mortar);
texture_coordinate.outs.Normal.Connect(checker_texture.ins.Vector);
texture_coordinate.outs.UV.Connect(brick_texture.ins.Vector);
diffuse_bsdf.outs.BSDF.Connect(some_setup.Output.ins.Surface);
some_setup.FinalizeGraph();
return some_setup;
}
static void Main(string[] args)
{
var file = "";
if (args.Length < 1 || args.Length > 2)
{
Console.WriteLine("Wrong count parameter: csycles_tester [--quiet] file.xml");
return;
}
var s = args[args.Length-1];
if (!File.Exists(s))
{
Console.WriteLine("File {0} doesn't exist.", s);
return;
}
var silent = args.Length == 2 && "--quiet".Equals(args[0]);
file = Path.GetFullPath(s);
Console.WriteLine("We get file path: {0}", file);
var path = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location) ?? "";
var userpath = Path.Combine(path, "userpath");
CSycles.path_init(path, userpath);
CSycles.initialise();
const uint samples = 50;
g_update_callback = StatusUpdateCallback;
g_update_render_tile_callback = UpdateRenderTileCallback;
g_write_render_tile_callback = WriteRenderTileCallback;
g_logger_callback = LoggerCallback;
var client = new Client();
Client = client;
if (!silent)
{
CSycles.set_logger(client.Id, g_logger_callback);
}
foreach (var adev in Device.Devices)
{
Console.WriteLine("{0}", adev);
}
Console.WriteLine("All device capabilities: {0}", Device.Capabilities);
var dev = Device.FirstCuda;
Console.WriteLine("Using device {0} {1}", dev.Name, dev.Description);
var scene_params = new SceneParameters(client, ShadingSystem.SVM, BvhType.Static, false, false, false, false);
var scene = new Scene(client, scene_params, dev);
Console.WriteLine("Default surface shader {0}", scene.DefaultSurface.Name);
#region background shader
var background_shader = new Shader(client, Shader.ShaderType.World)
{
Name = "Background shader"
};
var bgnode = new BackgroundNode();
bgnode.ins.Color.Value = new float4(0.7f);
bgnode.ins.Strength.Value = 1.0f;
background_shader.AddNode(bgnode);
bgnode.outs.Background.Connect(background_shader.Output.ins.Surface);
background_shader.FinalizeGraph();
scene.AddShader(background_shader);
scene.Background.Shader = background_shader;
scene.Background.AoDistance = 0.0f;
scene.Background.AoFactor = 0.0f;
scene.Background.Visibility = PathRay.AllVisibility;
#endregion
#region diffuse shader
var diffuse_shader = create_some_setup_shader();
scene.AddShader(diffuse_shader);
scene.DefaultSurface = diffuse_shader;
#endregion
#region point light shader
var light_shader = new Shader(client, Shader.ShaderType.Material)
{
Name = "Tester light shader"
};
var emission_node = new EmissionNode();
emission_node.ins.Color.Value = new float4(0.8f);
emission_node.ins.Strength.Value = 10.0f;
light_shader.AddNode(emission_node);
emission_node.outs.Emission.Connect(light_shader.Output.ins.Surface);
light_shader.FinalizeGraph();
scene.AddShader(light_shader);
#endregion
var xml = new XmlReader(client, file);
xml.Parse(silent);
var width = (uint)scene.Camera.Size.Width;
var height = (uint)scene.Camera.Size.Height;
var session_params = new SessionParameters(client, dev)
{
Experimental = false,
Samples = (int) samples,
TileSize = new Size(64, 64),
StartResolution = 64,
Threads = 0,
ShadingSystem = ShadingSystem.SVM,
Background = true,
ProgressiveRefine = false
};
Session = new Session(client, session_params, scene);
Session.Reset(width, height, samples);
/*if (!silent)
{
Session.UpdateCallback = g_update_callback;
Session.UpdateTileCallback = g_update_render_tile_callback;
Session.WriteTileCallback = g_write_render_tile_callback;
}*/
Session.Start();
Session.Wait();
uint bufsize;
uint bufstride;
CSycles.session_get_buffer_info(client.Id, Session.Id, out bufsize, out bufstride);
var pixels = CSycles.session_copy_buffer(client.Id, Session.Id, bufsize);
var bmp = new Bitmap((int)width, (int)height);
for (var x = 0; x < width; x++)
{
for (var y = 0; y < height; y++)
{
var i = y * (int)width * 4 + x * 4;
var r = ColorClamp((int)(pixels[i] * 255.0f));
var g = ColorClamp((int)(pixels[i + 1] * 255.0f));
var b = ColorClamp((int)(pixels[i + 2] * 255.0f));
var a = ColorClamp((int)(pixels[i + 3] * 255.0f));
bmp.SetPixel(x, y, Color.FromArgb(a, r, g, b));
}
}
bmp.Save("test.png", ImageFormat.Png);
Console.WriteLine("Cleaning up :)");
CSycles.shutdown();
Console.WriteLine("Done");
}
public void ReadNodeGraph(ref Shader shader, XmlReader xmlNode)
{
var nodes = new Dictionary <string, ShaderNode> {
{ "output", shader.Output }
};
while (xmlNode.Read())
{
ShaderNode shader_node = null;
if (!xmlNode.IsStartElement())
{
continue;
}
var nodename = xmlNode.GetAttribute("name");
if (string.IsNullOrEmpty(nodename) && xmlNode.Name != "connect")
{
continue;
}
if (string.IsNullOrEmpty(nodename))
{
nodename = "";
}
switch (xmlNode.Name)
{
case "connect":
var fromstring = xmlNode.GetAttribute("from");
var tostring = xmlNode.GetAttribute("to");
if (fromstring != null && tostring != null)
{
var from = fromstring.Split(' ');
var to = tostring.Split(' ');
if (!nodes.ContainsKey(from[0]))
{
throw new KeyNotFoundException(string.Format("'from' node [{0}] not defined prior to connection.", from[0]));
}
var fromnode = nodes[from[0]];
var fromsocket = fromnode.outputs.Socket(from[1]);
if (!nodes.ContainsKey(to[0]))
{
throw new KeyNotFoundException(string.Format("'to' node [{0}] not defined prior to connection.", to[0]));
}
var tonode = nodes[to[0]];
var tosocket = tonode.inputs.Socket(to[1]);
fromsocket.Connect(tosocket);
}
break;
default:
shader_node = CSycles.CreateShaderNode(xmlNode.Name, nodename);
break;
}
if (shader_node != null)
{
shader_node.ParseXml(xmlNode);
nodes.Add(nodename, shader_node);
shader.AddNode(shader_node);
}
}
shader.FinalizeGraph();
}
public void ReadNodeGraph(ref Shader shader, XmlReader xmlNode)
{
var nodes = new Dictionary<string, ShaderNode> {{"output", shader.Output}};
while (xmlNode.Read())
{
ShaderNode shader_node = null;
if (!xmlNode.IsStartElement()) continue;
var nodename = xmlNode.GetAttribute("name");
if (string.IsNullOrEmpty(nodename) && xmlNode.Name != "connect") continue;
if (string.IsNullOrEmpty(nodename)) nodename = "";
switch (xmlNode.Name)
{
case "connect":
var fromstring = xmlNode.GetAttribute("from");
var tostring = xmlNode.GetAttribute("to");
if (fromstring != null && tostring != null)
{
var from = fromstring.Split(' ');
var to = tostring.Split(' ');
if (!nodes.ContainsKey(from[0]))
throw new KeyNotFoundException(string.Format("'from' node [{0}] not defined prior to connection.", from[0]));
var fromnode = nodes[from[0]];
var fromsocket = fromnode.outputs.Socket(from[1]);
if (!nodes.ContainsKey(to[0]))
throw new KeyNotFoundException(string.Format("'to' node [{0}] not defined prior to connection.", to[0]));
var tonode = nodes[to[0]];
var tosocket = tonode.inputs.Socket(to[1]);
fromsocket.Connect(tosocket);
}
break;
default:
shader_node = CSycles.CreateShaderNode(xmlNode.Name, nodename);
break;
}
if (shader_node != null)
{
shader_node.ParseXml(xmlNode);
nodes.Add(nodename, shader_node);
shader.AddNode(shader_node);
}
}
shader.FinalizeGraph();
}
/// <summary>
/// Static constructor for wrapping default surface shader created by Cycles shader manager.
/// </summary>
/// <param name="client"></param>
/// <returns></returns>
public static Shader WrapDefaultSurfaceShader(Client client)
{
var shader = new Shader(client, ShaderType.Material, CSycles.DEFAULT_SURFACE_SHADER) {Name = "default_surface"};
// just add nodes so we have local node presentation, but no need to actually finalise
// since it already exists in Cycles.
var diffuse_bsdf = new DiffuseBsdfNode();
diffuse_bsdf.ins.Color.Value = new float4(0.8f);
shader.AddNode(diffuse_bsdf);
diffuse_bsdf.outs.BSDF.Connect(shader.Output.ins.Surface);
return shader;
}
/// <summary>
/// Static constructor for wrapping default light shader created by Cycles shader manager.
/// </summary>
/// <param name="client"></param>
/// <returns></returns>
public static Shader WrapDefaultLightShader(Client client)
{
var shader = new Shader(client, ShaderType.Material, CSycles.DEFAULT_LIGHT_SHADER) {Name = "default_light"};
// just add nodes so we have local node presentation, but no need to actually finalise
// since it already exists in Cycles.
var emission_node = new EmissionNode();
emission_node.ins.Color.Value = new float4(0.8f);
emission_node.ins.Strength.Value = 0.0f;
shader.AddNode(emission_node);
emission_node.outs.Emission.Connect(shader.Output.ins.Surface);
return shader;
}
/// <summary>
/// Set image texture node and link up with correct TextureCoordinateNode output based on
/// texture ProjectionMode.
///
/// This may add new nodes to the shader!
/// </summary>
/// <param name="shader"></param>
/// <param name="texture"></param>
/// <param name="image_node"></param>
/// <param name="texture_coordinates"></param>
public static void SetProjectionMode(Shader shader, CyclesTextureImage texture, ImageTextureNode image_node,
TextureCoordinateNode texture_coordinates)
{
if (!texture.HasTextureImage) return;
Guid g = Guid.NewGuid();
texture_coordinates.UseTransform = false;
var tfm = new MatrixMathNode("texture transform" + g.ToString())
{
Transform = texture.Transform
};
shader.AddNode(tfm);
image_node.Projection = TextureNode.TextureProjection.Flat;
if (texture.ProjectionMode == TextureProjectionMode.WcsBox)
{
texture_coordinates.UseTransform = true;
texture_coordinates.outs.WcsBox.Connect(tfm.ins.Vector);
tfm.outs.Vector.Connect(image_node.ins.Vector);
}
else if (texture.ProjectionMode == TextureProjectionMode.Wcs)
{
texture_coordinates.UseTransform = true;
texture_coordinates.outs.Object.Connect(tfm.ins.Vector);
tfm.outs.Vector.Connect(image_node.ins.Vector);
}
else if (texture.ProjectionMode == TextureProjectionMode.Screen)
{
SeparateXyzNode sepvec = new SeparateXyzNode();
CombineXyzNode combvec = new CombineXyzNode();
MathNode inverty = new MathNode {Operation = MathNode.Operations.Subtract};
inverty.ins.Value1.Value = 1.0f;
shader.AddNode(sepvec);
shader.AddNode(combvec);
shader.AddNode(inverty);
texture_coordinates.outs.Window.Connect(sepvec.ins.Vector);
sepvec.outs.Y.Connect(inverty.ins.Value2);
sepvec.outs.X.Connect(combvec.ins.X);
inverty.outs.Value.Connect(combvec.ins.Y);
sepvec.outs.Z.Connect(combvec.ins.Z);
combvec.outs.Vector.Connect(tfm.ins.Vector);
tfm.Transform = tfm.Transform;
tfm.outs.Vector.Connect(image_node.ins.Vector);
}
else if (texture.ProjectionMode == TextureProjectionMode.View)
{
texture_coordinates.outs.Camera.Connect(tfm.ins.Vector);
tfm.outs.Vector.Connect(image_node.ins.Vector);
}
else if (texture.ProjectionMode == TextureProjectionMode.EnvironmentMap)
{
texture_coordinates.UseTransform = false;
switch (texture.EnvProjectionMode)
{
case TextureEnvironmentMappingMode.Spherical:
texture_coordinates.outs.EnvSpherical.Connect(image_node.ins.Vector);
break;
case TextureEnvironmentMappingMode.EnvironmentMap:
texture_coordinates.outs.EnvEmap.Connect(image_node.ins.Vector);
break;
case TextureEnvironmentMappingMode.Box:
texture_coordinates.outs.EnvBox.Connect(image_node.ins.Vector);
break;
case TextureEnvironmentMappingMode.LightProbe:
texture_coordinates.outs.EnvLightProbe.Connect(image_node.ins.Vector);
break;
case TextureEnvironmentMappingMode.Cube:
texture_coordinates.outs.EnvCubemap.Connect(image_node.ins.Vector);
break;
case TextureEnvironmentMappingMode.VerticalCrossCube:
texture_coordinates.outs.EnvCubemapVerticalCross.Connect(image_node.ins.Vector);
break;
case TextureEnvironmentMappingMode.HorizontalCrossCube:
texture_coordinates.outs.EnvCubemapHorizontalCross.Connect(image_node.ins.Vector);
break;
case TextureEnvironmentMappingMode.Hemispherical:
texture_coordinates.outs.EnvHemispherical.Connect(image_node.ins.Vector);
break;
default:
texture_coordinates.outs.EnvLightProbe.Connect(image_node.ins.Vector);
break;
}
}
else
{
texture_coordinates.outs.UV.Connect(tfm.ins.Vector);
tfm.outs.Vector.Connect(image_node.ins.Vector);
}
}
/// <summary>
/// create a ccl.Scene
/// </summary>
/// <param name="client">Client to create scene for</param>
/// <param name="render_device">Render device to use</param>
/// <param name="cycles_engine">Engine instance to create for</param>
/// <returns></returns>
protected static Scene CreateScene(Client client, Device render_device,
RenderEngine cycles_engine)
{
#region set up scene parameters
var scene_params = new SceneParameters(client, ShadingSystem.SVM, BvhType.Dynamic, false, false, false);
#endregion
#region create scene
var scene = new Scene(client, scene_params, render_device)
{
#region integrator settings
Integrator =
{
MaxBounce = cycles_engine.Settings.MaxBounce,
MinBounce = cycles_engine.Settings.MinBounce,
TransparentMinBounce = cycles_engine.Settings.TransparentMinBounce,
TransparentMaxBounce = cycles_engine.Settings.TransparentMaxBounce,
MaxDiffuseBounce = cycles_engine.Settings.MaxDiffuseBounce,
MaxGlossyBounce = cycles_engine.Settings.MaxGlossyBounce,
MaxTransmissionBounce = cycles_engine.Settings.MaxTransmissionBounce,
MaxVolumeBounce = cycles_engine.Settings.MaxVolumeBounce,
NoCaustics = cycles_engine.Settings.NoCaustics,
TransparentShadows = cycles_engine.Settings.TransparentShadows,
DiffuseSamples = cycles_engine.Settings.DiffuseSamples,
GlossySamples = cycles_engine.Settings.GlossySamples,
TransmissionSamples = cycles_engine.Settings.TransmissionSamples,
AoSamples = cycles_engine.Settings.AoSamples,
MeshLightSamples = cycles_engine.Settings.MeshLightSamples,
SubsurfaceSamples = cycles_engine.Settings.SubsurfaceSamples,
VolumeSamples = cycles_engine.Settings.VolumeSamples,
AaSamples = cycles_engine.Settings.AaSamples,
FilterGlossy = cycles_engine.Settings.FilterGlossy,
IntegratorMethod = cycles_engine.Settings.IntegratorMethod,
SampleAllLightsDirect = cycles_engine.Settings.SampleAllLights,
SampleAllLightsIndirect = cycles_engine.Settings.SampleAllLightsIndirect,
SampleClampDirect = cycles_engine.Settings.SampleClampDirect,
SampleClampIndirect = cycles_engine.Settings.SampleClampIndirect,
SamplingPattern = SamplingPattern.CMJ,
Seed = cycles_engine.Settings.Seed
}
#endregion
};
scene.Film.SetFilter(FilterType.Gaussian, 1.5f);
scene.Film.Exposure = 1.0f;
scene.Film.Update();
#endregion
#region background shader
// we add here a simple background shader. This will be repopulated with
// other nodes whenever background changes are detected.
var background_shader = new Shader(client, Shader.ShaderType.World)
{
Name = "Rhino Background"
};
var bgnode = new BackgroundNode("orig bg");
bgnode.ins.Color.Value = new float4(0.7f);
bgnode.ins.Strength.Value = 1.0f;
background_shader.AddNode(bgnode);
bgnode.outs.Background.Connect(background_shader.Output.ins.Surface);
background_shader.FinalizeGraph();
scene.AddShader(background_shader);
scene.Background.Shader = background_shader;
scene.Background.AoDistance = 0.0f;
scene.Background.AoFactor = 0.0f;
scene.Background.Visibility = PathRay.AllVisibility;
#endregion
return scene;
}
