/// <summary>
///
/// </summary>
/// <param name="data">Data pointer</param>
/// <param name="offset">Offset in bytes on the Buffer to start reading</param>
/// <param name="bytes">Number of bytes to read</param>
public static unsafe void Read(this GraphicBuffer buffer, void *data, int offset, int bytes)
{
byte *pBuffer = (byte *)buffer.Map(MapType.Read, false);
Runtime.Copy(pBuffer + offset, data, bytes);
buffer.Unmap();
}
public void SetIndexBuffer(GraphicBuffer indexBuffer, int offset = 0)
{
_iaIndexBufferBind.buffer = indexBuffer;
_iaIndexBufferBind.offset = offset;
_iaIndexBufferBind.stride = indexBuffer.Stride;
IASetIndexBufferImpl(indexBuffer, offset);
}
/// <summary>
///
/// </summary>
/// <param name="data">Data pointer</param>
/// <param name="offset">Offset in bytes on the Buffer to start writing</param>
/// <param name="bytes">Number of bytes to write</param>
public static unsafe void Write(this GraphicBuffer buffer, void *data, int offset, int bytes, bool discard = true)
{
byte *pBuffer = (byte *)buffer.Map(discard ? MapType.Write_Discard : MapType.Write, false);
Runtime.Copy(data, pBuffer + offset, bytes);
buffer.Unmap();
}
public void SetVertexBuffer(int slot, GraphicBuffer vertexBuffer, int offset = 0)
{
BufferBind bind;
bind.buffer = vertexBuffer;
bind.offset = offset;
bind.stride = vertexBuffer.Stride;
_iaVertexBufferBind[slot] = bind;
IASetVertexBufferImpl(slot, vertexBuffer, offset, vertexBuffer.Stride);
}
public static void Read(this GraphicBuffer buffer, byte[] data, int offset, int bytes)
{
unsafe
{
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
var ptr = ClrRuntime.Runtime.GetPointer(data, 0);
try
{
buffer.Read(ptr, offset, bytes);
}
finally
{
handle.Free();
}
}
}
public static void Write(this GraphicBuffer buffer, byte[] data, int offset, int bytes, bool discard = true)
{
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
unsafe
{
var ptr = ClrRuntime.Runtime.GetPointer(data, 0);
try
{
buffer.Write(ptr, offset, bytes, discard);
}
finally
{
handle.Free();
}
}
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data">array</param>
/// <param name="offset">Offset in bytes to start reading</param>
public static void Read <T>(this GraphicBuffer buffer, T[] data, int offset = 0)
where T : struct
{
unsafe
{
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
var ptr = ClrRuntime.Runtime.GetPointer(data, 0);
try
{
buffer.Read(ptr, offset, ClrRuntime.Runtime.SizeOf <T>() * data.Length);
}
finally
{
handle.Free();
}
}
}
public static T[] ToArray <T>(this GraphicBuffer buffer) where T : struct
{
T[] data = new T[buffer.SizeInBytes / ClrRuntime.Runtime.SizeOf <T>()];
buffer.Read(data);
return(data);
}
public abstract void UpdateBuffer(GraphicBuffer buffer, int offset, IntPtr pterData, int dataSize);
protected abstract void IASetIndexBufferImpl(GraphicBuffer indexBuffer, int offset);
protected abstract void IASetVertexBufferImpl(int slot, GraphicBuffer vertexBuffer, int offset, int stride);
