private void init(IBufferLayoutDesc bufferLayoutDesc, int vertexCount)
{
vertexArraySize = bufferLayoutDesc.FloatCount;
var positions = bufferLayoutDesc.ElementsUsages(BufferLayoutElementUsages.Position);
positionOffset = new int[positions.Count];
positionTypes = new BufferLayoutElementTypes[positions.Count];
int i = 0;
foreach (var position in positions)
{
positionOffset[i] = position.FloatOffset;
positionTypes[i] = position.Type;
++i;
}
var colors = bufferLayoutDesc.ElementsUsages(BufferLayoutElementUsages.Color);
colorOffset = new int[colors.Count];
i = 0;
foreach (var color in colors)
{
colorOffset[i] = color.FloatOffset;
++i;
}
var uvs = bufferLayoutDesc.ElementsUsages(BufferLayoutElementUsages.UV);
uvOffset = new int[uvs.Count];
i = 0;
foreach (var uv in uvs)
{
uvOffset[i] = uv.FloatOffset;
++i;
}
var normals = bufferLayoutDesc.ElementsUsages(BufferLayoutElementUsages.Normal);
normalOffset = new int[normals.Count];
i = 0;
foreach (var normal in normals)
{
normalOffset[i] = normal.FloatOffset;
++i;
}
vertex = new float[vertexArraySize];
for (i = 0; i != vertex.Length; ++i)
{
vertex[i] = 0;
}
this.vertexCount = vertexCount;
vertices = new float[vertexCount * vertexArraySize];
for (i = 0; i != vertices.Length; ++i)
{
vertices[i] = 0;
}
}
protected IVertexBuffer(IDisposableResource parent, IBufferLayoutDesc bufferLayoutDesc, BufferUsages usage, float[] vertices)
: base(parent)
{
this.usage = usage;
vertexByteSize = bufferLayoutDesc.ByteSize;
vertexFloatArraySize = bufferLayoutDesc.FloatCount;
vertexCount = vertices.Length / vertexFloatArraySize;
}
protected IVertexBuffer(IDisposableResource parent, IBufferLayoutDesc bufferLayoutDesc, BufferUsages usage, float[] vertices)
: base(parent)
{
this.usage = usage;
vertexByteSize = bufferLayoutDesc.ByteSize;
vertexFloatArraySize = bufferLayoutDesc.FloatCount;
vertexCount = vertices.Length / vertexFloatArraySize;
}
public BufferLayout(IDisposableResource parent, IShader shader, IBufferLayoutDesc desc)
: base(parent)
{
try
{
var video = parent.FindParentOrSelfWithException<Video>();
com = new BufferLayoutCom();
var error = com.Init(video.com, ((BufferLayoutDesc)desc).com);
switch (error)
{
case BufferLayoutErrors.VertexDeclaration: Debug.ThrowError("BufferLayout", "Failed to create vertex declaration"); break;
}
}
catch (Exception e)
{
Dispose();
throw e;
}
}
protected IQuickDraw(IDisposableResource parent, IBufferLayoutDesc bufferLayoutDesc)
: base(parent)
{
init(bufferLayoutDesc, 128 * 2);
}
public VertexBuffer(IDisposableResource parent, IBufferLayoutDesc bufferLayoutDesc, BufferUsages usage, VertexBufferTopologys topology, float[] vertices, int[] indices)
: base(parent, bufferLayoutDesc, usage, vertices)
{
init(parent, bufferLayoutDesc, usage, topology, vertices, indices);
}
private void init(IDisposableResource parent, IBufferLayoutDesc bufferLayoutDesc, BufferUsages usage, VertexBufferTopologys topology, float[] vertices, int[] indices)
{
try
{
var video = parent.FindParentOrSelfWithException<Video>();
this.topology = topology;
REIGN_D3DPRIMITIVETYPE topologyType = REIGN_D3DPRIMITIVETYPE.TRIANGLELIST;
switch (topology)
{
case VertexBufferTopologys.Triangle: topologyType = REIGN_D3DPRIMITIVETYPE.TRIANGLELIST; break;
case VertexBufferTopologys.Line: topologyType = REIGN_D3DPRIMITIVETYPE.LINELIST; break;
case VertexBufferTopologys.Point: topologyType = REIGN_D3DPRIMITIVETYPE.POINTLIST; break;
}
com = new VertexBufferCom(video.com, topologyType);
var error = com.Init(vertices, REIGN_D3DUSAGE.WRITEONLY, vertexCount, vertexByteSize);
if (error == VertexBufferErrors.VertexBuffer) Debug.ThrowError("VertexBuffer", "Failed to create VertexBuffer");
if (indices != null && indices.Length != 0) indexBuffer = new IndexBuffer(this, usage, indices);
}
catch (Exception e)
{
Dispose();
throw e;
}
}
