public HardwareIndexBuffer(HardwareBufferManagerBase manager, IndexType type, int numIndices, BufferUsage usage,
bool useSystemMemory, bool useShadowBuffer)
: base(usage, useSystemMemory, useShadowBuffer)
{
this.type = type;
this.numIndices = numIndices;
this.Manager = manager;
// calc the index buffer size
sizeInBytes = numIndices;
if (type == IndexType.Size32)
{
this.indexSize = Memory.SizeOf(typeof(int));
}
else
{
this.indexSize = Memory.SizeOf(typeof(short));
}
sizeInBytes *= this.indexSize;
// create a shadow buffer if required
if (useShadowBuffer)
{
shadowBuffer = new DefaultHardwareIndexBuffer(this.Manager, type, numIndices, BufferUsage.Dynamic);
}
}
/// Create a hardware vertex buffer
public override HardwareIndexBuffer CreateIndexBuffer(IndexType itype, int numIndices, BufferUsage usage,
bool useShadowBuffer)
{
var ib = new DefaultHardwareIndexBuffer(itype, numIndices, usage);
return(ib);
}
/// <summary>
/// Populate with data as obtained from an IRenderable.
/// </summary>
/// <remarks>
/// Will share the buffers.
/// In case there are no index data associated with the <see cref="IRenderable"/>, i.e. <see cref="RenderOperation.useIndices"/> is false,
/// custom software index buffer is created to provide default index data to the builder.
/// This makes it possible for derived classes to handle the data in a convenient way.
/// </remarks>
public void AddObject( IRenderable obj )
{
if ( obj == null )
throw new ArgumentNullException();
RenderOperation renderOp = obj.RenderOperation;
IndexData indexData;
if ( renderOp.useIndices )
{
indexData = renderOp.indexData;
}
else
{
//Create custom index buffer
int vertexCount = renderOp.vertexData.vertexCount;
IndexType itype = vertexCount > UInt16.MaxValue ?
IndexType.Size32 : IndexType.Size16;
DefaultHardwareIndexBuffer ibuf = new DefaultHardwareIndexBuffer( itype, vertexCount, BufferUsage.Static );
customIndexBufferList.Add( ibuf ); //to be disposed later
indexData = new IndexData();
indexData.indexBuffer = ibuf;
indexData.indexCount = vertexCount;
indexData.indexStart = 0;
//Fill buffer with indices
IntPtr ibuffer =
indexData.indexBuffer.Lock( BufferLocking.Normal );
try
{
unsafe
{
Int16* ibuf16 = (Int16*)ibuffer;
Int32* ibuf32 = (Int32*)ibuffer;
for ( int i = 0; i < indexData.indexCount; i++ )
{
if ( itype == IndexType.Size16 )
{
ibuf16[ i ] = (Int16)i;
}
else
{
ibuf32[ i ] = i;
}
}
} //unsafe
}
finally
{
indexData.indexBuffer.Unlock();
}
}
AddVertexData( renderOp.vertexData );
AddIndexData( indexData, vertexDataList.Count - 1,
renderOp.operationType );
}
/// <summary>
/// Populate with data as obtained from an IRenderable.
/// </summary>
/// <remarks>
/// Will share the buffers.
/// In case there are no index data associated with the <see cref="IRenderable"/>, i.e. <see cref="RenderOperation.useIndices"/> is false,
/// custom software index buffer is created to provide default index data to the builder.
/// This makes it possible for derived classes to handle the data in a convenient way.
/// </remarks>
public void AddObject( IRenderable obj )
{
if ( obj == null )
{
throw new ArgumentNullException();
}
var renderOp = obj.RenderOperation;
IndexData indexData;
if ( renderOp.useIndices )
{
indexData = renderOp.indexData;
}
else
{
//Create custom index buffer
var vertexCount = renderOp.vertexData.vertexCount;
var itype = vertexCount > UInt16.MaxValue ? IndexType.Size32 : IndexType.Size16;
var ibuf = new DefaultHardwareIndexBuffer( itype, vertexCount, BufferUsage.Static );
this.customIndexBufferList.Add( ibuf ); //to be disposed later
indexData = new IndexData();
indexData.indexBuffer = ibuf;
indexData.indexCount = vertexCount;
indexData.indexStart = 0;
//Fill buffer with indices
var ibuffer = indexData.indexBuffer.Lock( BufferLocking.Normal );
try
{
#if !AXIOM_SAFE_ONLY
unsafe
#endif
{
var ibuf16 = ibuffer.ToShortPointer();
var ibuf32 = ibuffer.ToIntPointer();
for ( var i = 0; i < indexData.indexCount; i++ )
{
if ( itype == IndexType.Size16 )
{
ibuf16[ i ] = (Int16)i;
}
else
{
ibuf32[ i ] = i;
}
}
} //unsafe
}
finally
{
indexData.indexBuffer.Unlock();
}
}
AddVertexData( renderOp.vertexData );
AddIndexData( indexData, this.vertexDataList.Count - 1, renderOp.operationType );
}
public HardwareIndexBuffer( HardwareBufferManagerBase manager, IndexType type, int numIndices, BufferUsage usage,
bool useSystemMemory, bool useShadowBuffer )
: base( usage, useSystemMemory, useShadowBuffer )
{
this.type = type;
this.numIndices = numIndices;
this.Manager = manager;
// calc the index buffer size
sizeInBytes = numIndices;
if ( type == IndexType.Size32 )
{
this.indexSize = Memory.SizeOf( typeof ( int ) );
}
else
{
this.indexSize = Memory.SizeOf( typeof ( short ) );
}
sizeInBytes *= this.indexSize;
// create a shadow buffer if required
if ( useShadowBuffer )
{
shadowBuffer = new DefaultHardwareIndexBuffer( this.Manager, type, numIndices, BufferUsage.Dynamic );
}
}
/// <summary>
/// Populate with data as obtained from an IRenderable.
/// </summary>
/// <remarks>
/// Will share the buffers.
/// In case there are no index data associated with the <see cref="IRenderable"/>, i.e. <see cref="RenderOperation.useIndices"/> is false,
/// custom software index buffer is created to provide default index data to the builder.
/// This makes it possible for derived classes to handle the data in a convenient way.
/// </remarks>
public void AddObject(IRenderable obj)
{
if (obj == null)
{
throw new ArgumentNullException();
}
var renderOp = obj.RenderOperation;
IndexData indexData;
if (renderOp.useIndices)
{
indexData = renderOp.indexData;
}
else
{
//Create custom index buffer
var vertexCount = renderOp.vertexData.vertexCount;
var itype = vertexCount > UInt16.MaxValue ? IndexType.Size32 : IndexType.Size16;
var ibuf = new DefaultHardwareIndexBuffer(itype, vertexCount, BufferUsage.Static);
this.customIndexBufferList.Add(ibuf); //to be disposed later
indexData = new IndexData();
indexData.indexBuffer = ibuf;
indexData.indexCount = vertexCount;
indexData.indexStart = 0;
//Fill buffer with indices
var ibuffer = indexData.indexBuffer.Lock(BufferLocking.Normal);
try
{
#if !AXIOM_SAFE_ONLY
unsafe
#endif
{
var ibuf16 = ibuffer.ToShortPointer();
var ibuf32 = ibuffer.ToIntPointer();
for (var i = 0; i < indexData.indexCount; i++)
{
if (itype == IndexType.Size16)
{
ibuf16[i] = (Int16)i;
}
else
{
ibuf32[i] = i;
}
}
} //unsafe
}
finally
{
indexData.indexBuffer.Unlock();
}
}
AddVertexData(renderOp.vertexData);
AddIndexData(indexData, this.vertexDataList.Count - 1, renderOp.operationType);
}
/// Create a hardware vertex buffer
public override HardwareIndexBuffer CreateIndexBuffer( IndexType itype, int numIndices, BufferUsage usage, bool useShadowBuffer )
{
DefaultHardwareIndexBuffer ib = new DefaultHardwareIndexBuffer( itype, numIndices, usage );
return ib;
}
