public static BasicTessellationNode Create(ObjVNF model)
{
var vs = new VertexShader(renderVert, "Position_VS_in", "TexCoord_VS_in", "Normal_VS_in");
var tc = new TessControlShader(renderTesc);
var te = new TessEvaluationShader(renderTese);
var fs = new FragmentShader(renderFrag);
var provider = new ShaderArray(vs, tc, te, fs);
var map = new AttributeMap();
map.Add("Position_VS_in", ObjVNF.strPosition);
map.Add("TexCoord_VS_in", ObjVNF.strTexCoord);
map.Add("Normal_VS_in", ObjVNF.strNormal);
var builder = new RenderMethodBuilder(provider, map);
var node = new BasicTessellationNode(model, builder);
node.ModelSize = model.GetSize();
node.Initialize();
return(node);
}
public static TrianglePatchNode Create()
{
// model provides vertex buffer and index buffer(within an IDrawCommand).
var model = new TrianglePatchModel();
// vertex shader and fragment shader.
var vs = new VertexShader(vertexCode);
var tc = new TessControlShader(tessellationControlCode);
var te = new TessEvaluationShader(tessellationEvaluationCode);
var fs = new FragmentShader(fragmentCode);
var array = new ShaderArray(vs, tc, te, fs);
// which vertex buffer maps to which attribute in shader.
var map = new AttributeMap();
// help to build a render method.
var builder = new RenderMethodBuilder(array, map, new PolygonModeSwitch(PolygonMode.Line));
// create node.
var node = new TrianglePatchNode(model, builder);
// initialize node.
node.Initialize();
return(node);
}