public static ParticleNode Create()
{
var blend = new BlendState(BlendingSourceFactor.SourceAlpha, BlendingDestinationFactor.OneMinusSourceAlpha);
var depthTest = new DepthTestState(false);
RenderMethodBuilder defaultBuilder, textureBuilder;
{
var vs = new VertexShader(vert);
var fs = new FragmentShader(frag);
var provider = new ShaderArray(vs, fs);
var map = new AttributeMap();
defaultBuilder = new RenderMethodBuilder(provider, map, blend, depthTest);
}
{
var vs = new VertexShader(vert);
var fs = new FragmentShader(texturedFrag);
var provider = new ShaderArray(vs, fs);
var map = new AttributeMap();
textureBuilder = new RenderMethodBuilder(provider, map, blend, depthTest);
}
var model = new ParticleModel();
var node = new ParticleNode(model, defaultBuilder, textureBuilder);
node.Initialize();
return(node);
}
public OrderIndependentTransparencyRenderer(IBufferable model, vec3 lengths,
string positionName, string normalName)
{
{
var map = new AttributeMap();
map.Add("position", positionName);
map.Add("normal", normalName);
var build_lists = new ShaderCode[2];
build_lists[0] = new ShaderCode(File.ReadAllText(@"shaders\OIT\build_lists.vert"), ShaderType.VertexShader);
build_lists[1] = new ShaderCode(File.ReadAllText(@"shaders\OIT\build_lists.frag"), ShaderType.FragmentShader);
this.buildListsRenderer = new PickableRenderer(model, build_lists, map, positionName);
}
{
var map = new AttributeMap();
map.Add("position", positionName);
var resolve_lists = new ShaderCode[2];
resolve_lists[0] = new ShaderCode(File.ReadAllText(@"shaders\OIT\resolve_lists.vert"), ShaderType.VertexShader);
resolve_lists[1] = new ShaderCode(File.ReadAllText(@"shaders\OIT\resolve_lists.frag"), ShaderType.FragmentShader);
this.resolve_lists = new PickableRenderer(model, resolve_lists, map, positionName);
}
{
this.depthTestState = new DepthTestState(false);
this.cullFaceState = new CullFaceState(false);
}
this.ModelSize = lengths;
}
protected override void DoInitialize()
{
base.DoInitialize();
// Create the atomic counter buffer
{
const int length = 1;
AtomicCounterBuffer buffer = AtomicCounterBuffer.Create(typeof(uint), length, BufferUsage.DynamicCopy);
// another way to do this:
//uint data = 1;
//AtomicCounterBuffer buffer = data.GenAtomicCounterBuffer(BufferUsage.DynamicCopy);
// Reset atomic counter
IntPtr data = buffer.MapBuffer(MapBufferAccess.WriteOnly);
unsafe
{
var array = (uint *)data.ToPointer();
array[0] = 0;
}
buffer.UnmapBuffer();
this.atomicCounterBuffer = buffer;
}
{
this.depthTestState = new DepthTestState(false);
this.cullFaceState = new CullFaceState(false);
}
}
public OrderIndependentTransparencyRenderer(IBufferable model, vec3 lengths,
string positionName, string normalName)
{
{
var map = new AttributeMap();
map.Add("position", positionName);
map.Add("normal", normalName);
var build_lists = new ShaderCode[2];
build_lists[0] = new ShaderCode(File.ReadAllText(@"shaders\OIT\build_lists.vert"), ShaderType.VertexShader);
build_lists[1] = new ShaderCode(File.ReadAllText(@"shaders\OIT\build_lists.frag"), ShaderType.FragmentShader);
var provider = new ShaderCodeArray(build_lists);
this.buildListsRenderer = new PickableRenderer(model, provider, map, positionName);
}
{
var map = new AttributeMap();
map.Add("position", positionName);
var resolve_lists = new ShaderCode[2];
resolve_lists[0] = new ShaderCode(File.ReadAllText(@"shaders\OIT\resolve_lists.vert"), ShaderType.VertexShader);
resolve_lists[1] = new ShaderCode(File.ReadAllText(@"shaders\OIT\resolve_lists.frag"), ShaderType.FragmentShader);
var provider = new ShaderCodeArray(resolve_lists);
this.resolve_lists = new PickableRenderer(model, provider, map, positionName);
}
{
this.depthTestState = new DepthTestState(false);
this.cullFaceState = new CullFaceState(false);
}
this.ModelSize = lengths;
}
