//public void DrawUser<T>(int primitiveCount, T[] vertexes)
//{
// GCHandle h = GCHandle.Alloc(vertexes, GCHandleType.Pinned);
// try
// {
// unsafe
// {
// void* pter = Marshal.UnsafeAddrOfPinnedArrayElement(vertexes, 0).ToPointer();
// DrawUser(primitiveCount, pter, ClrRuntime.Runtime.SizeOf<T>());
// }
// }
// finally
// {
// h.Free();
// }
//}
//public void DrawIndexedUser<T, I>(int minVertexIndex, int numVertices, int primitiveCount, I[] indices, T[] vertices)
//{
// GCHandle hv = GCHandle.Alloc(vertices, GCHandleType.Pinned);
// GCHandle hi = GCHandle.Alloc(indices, GCHandleType.Pinned);
// try
// {
// unsafe
// {
// void* pVertices = Marshal.UnsafeAddrOfPinnedArrayElement(vertices, 0).ToPointer();
// void* pIndices = Marshal.UnsafeAddrOfPinnedArrayElement(indices, 0).ToPointer();
// IndexFormat indexFormat = Marshal.SizeOf(typeof(I)) == 2 ? IndexFormat.Index16 : IndexFormat.Index32;
// DrawIndexedUser(minVertexIndex, numVertices, primitiveCount, pIndices, indexFormat, pVertices, ClrRuntime.Runtime.SizeOf<T>());
// }
// }
// finally
// {
// hv.Free();
// hi.Free();
// }
//}
public InputLayout CreateInputLayout <T>(ShaderCode bytecode)
where T : struct
{
var vd = VertexDescriptor.GetDescriptor <T>();
return(CreateInputLayout(vd.Elements, bytecode));
}
public IndexedBufferView(IntPtr vertexPter, VertexDescriptor vd, IASemantic semantic, int usageIndex, IntPtr indicesPter, int istride, int icount)
{
this.vertexPter = (byte *)vertexPter + vd.OffsetOf(semantic, usageIndex);
this.vstride = vd.Size;
this.indicesPter = (byte *)indicesPter;
this.istride = istride;
this.icount = icount;
}
public static VertexDescriptor GetDescriptor <TVertex>() where TVertex : struct
{
VertexDescriptor vd = CACHE <TVertex> .vd;
if (vd == null)
{
vd = new VertexDescriptor(typeof(TVertex));
CACHE <TVertex> .vd = vd;
}
CACHE <TVertex> .counter++;
return(vd);
}
public static VertexDescriptor GetDescriptor(Type type)
{
var ctype = typeof(CACHE <>);
var genType = ctype.MakeGenericType(type);
VertexDescriptor vd = (VertexDescriptor)genType.GetField("vd").GetValue(null);
if (vd == null)
{
vd = new VertexDescriptor(type);
genType.GetField("vd").SetValue(null, vd);
}
var counter = (int)genType.GetField("counter").GetValue(null);
genType.GetField("counter").SetValue(null, counter + 1);
return(vd);
}
public static BufferView Texture0Reader(IntPtr baseAddr, VertexDescriptor vd)
{
return(new BufferView(baseAddr, vd, IASemantic.TextureCoordinate, 0));
}
public static BufferView TangentReader(IntPtr baseAddr, VertexDescriptor vd)
{
return(new BufferView(baseAddr, vd, IASemantic.Tangent, 0));
}
public static BufferView NormalReader(IntPtr baseAddr, VertexDescriptor vd)
{
return(new BufferView(baseAddr, vd, IASemantic.Normal, 0));
}
public static BufferView PositionReader(IntPtr baseAddr, VertexDescriptor vd)
{
return(new BufferView(baseAddr, vd, IASemantic.Position, 0));
}
public BufferView(IntPtr baseAddr, VertexDescriptor vd, IASemantic semantic, int usageIndex)
{
pter = baseAddr;
offset = vd.OffsetOf(semantic, usageIndex);
stride = vd.Size;
}