/// <summary>
/// Updates buffer resources from system memory buffer.
/// </summary>
private bool _updateBufferResources(BufferBase systemMemoryBuffer, ref BufferResources bufferResources)
{
Contract.RequiresNotNull(bufferResources, "Cannot update BufferResources in D3D9HardwareIndexBuffer!");
Contract.RequiresNotNull(bufferResources.IndexBuffer, "Cannot update BufferResources in D3D9HardwareIndexBuffer!");
Contract.Requires(bufferResources.IsOutOfDate);
DX.DataStream dstBytes;
// Lock the buffer
try
{
dstBytes = bufferResources.IndexBuffer.Lock(bufferResources.LockOffset, bufferResources.LockLength, D3D9Helper.ConvertEnum(bufferResources.LockOptions, usage));
}
catch (Exception ex)
{
throw new AxiomException("Cannot lock D3D9 index buffer!", ex);
}
var src = systemMemoryBuffer.Offset(bufferResources.LockOffset);
{
using (var dest = BufferBase.Wrap(dstBytes.DataPointer, bufferResources.LockLength))
{
Memory.Copy(src, dest, bufferResources.LockLength);
}
}
// Unlock the buffer.
var hr = bufferResources.IndexBuffer.Unlock();
if (hr.Failure)
{
throw new AxiomException("Cannot unlock D3D9 index buffer: {0}", hr.ToString());
}
bufferResources.IsOutOfDate = false;
bufferResources.LockOffset = sizeInBytes;
bufferResources.LockLength = 0;
bufferResources.LockOptions = BufferLocking.Normal;
return(true);
}
private bool _updateBufferResources( BufferBase systemMemoryBuffer, ref BufferResources bufferResources )
{
Contract.RequiresNotNull( bufferResources, "Cannot update BufferResources in D3D9HardwareVertexBuffer!" );
Contract.RequiresNotNull( bufferResources.VertexBuffer, "Cannot update BufferResources in D3D9HardwareVertexBuffer!" );
Contract.Requires( bufferResources.IsOutOfDate );
DX.DataStream dstBytes;
// Lock the buffer
try
{
dstBytes = bufferResources.VertexBuffer.Lock( bufferResources.LockOffset, bufferResources.LockLength, D3D9Helper.ConvertEnum( bufferResources.LockOptions, usage ) );
}
catch ( Exception ex )
{
throw new AxiomException( "Cannot lock D3D9 vertex buffer!", ex );
}
var src = systemMemoryBuffer.Offset( bufferResources.LockOffset );
{
using ( var dest = BufferBase.Wrap( dstBytes.DataPointer, bufferResources.LockLength ) )
{
Memory.Copy( src, dest, bufferResources.LockLength );
}
}
// Unlock the buffer.
var hr = bufferResources.VertexBuffer.Unlock();
if ( hr.Failure )
{
throw new AxiomException( "Cannot unlock D3D9 vertex buffer: {0}", hr.ToString() );
}
bufferResources.IsOutOfDate = false;
bufferResources.LockOffset = sizeInBytes;
bufferResources.LockLength = 0;
bufferResources.LockOptions = BufferLocking.Normal;
return true;
}