/// <summary>
/// Comparse 2 HardwareBuffers for equality.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
public new bool Equals(object x, object y)
{
HardwareBuffer a = x as HardwareBuffer;
HardwareBuffer b = y as HardwareBuffer;
return(a.ID == b.ID);
}
/// <summary>
/// Copy data from another buffer into this one.
/// </summary>
/// <param name="srcBuffer">The buffer from which to read the copied data.</param>
/// <param name="srcOffset">Offset in the source buffer at which to start reading.</param>
/// <param name="destOffset">Offset in the destination buffer to start writing.</param>
/// <param name="length">Length of the data to copy, in bytes.</param>
/// <param name="discardWholeBuffer">If true, will discard the entire contents of this buffer before copying.</param>
public virtual void CopyData(HardwareBuffer srcBuffer, int srcOffset, int destOffset, int length, bool discardWholeBuffer)
{
// lock the source buffer
IntPtr srcData = srcBuffer.Lock(srcOffset, length, BufferLocking.ReadOnly);
// write the data to this buffer
this.WriteData(destOffset, length, srcData, discardWholeBuffer);
// unlock the source buffer
srcBuffer.Unlock();
}
/// <summary>
/// Implementation of LicenseExpired.
/// </summary>
/// <param name="buffer"></param>
public void LicenseExpired(HardwareBuffer buffer)
{
if (buffer == destPositionBuffer)
{
destPositionBuffer = null;
}
if (buffer == destNormalBuffer)
{
destNormalBuffer = null;
}
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="usage">Usage type.</param>
/// <param name="useSystemMemory"></param>
/// <param name="useShadowBuffer">Use a software shadow buffer?</param>
internal HardwareBuffer(BufferUsage usage, bool useSystemMemory, bool useShadowBuffer)
{
this.usage = usage;
this.useSystemMemory = useSystemMemory;
this.useShadowBuffer = useShadowBuffer;
this.shadowBuffer = null;
this.shadowUpdated = false;
this.suppressHardwareUpdate = false;
ID = nextID++;
if (useShadowBuffer && usage == BufferUsage.Dynamic)
{
usage = BufferUsage.DynamicWriteOnly;
}
else if (useShadowBuffer && usage == BufferUsage.Static)
{
usage = BufferUsage.StaticWriteOnly;
}
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="owner">Reference to the hardware buffer who owns this stream.</param>
/// <param name="data">Pointer to the raw data we will be writing to.</param>
internal BufferStream( HardwareBuffer owner, IntPtr data )
{
this.data = data;
this.owner = owner;
}
/// <summary>
/// Implementation of LicenseExpired.
/// </summary>
/// <param name="buffer"></param>
public void LicenseExpired(HardwareBuffer buffer)
{
if(buffer == destPositionBuffer) {
destPositionBuffer = null;
}
if(buffer == destNormalBuffer) {
destNormalBuffer = null;
}
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="owner">Reference to the hardware buffer who owns this stream.</param>
/// <param name="data">Pointer to the raw data we will be writing to.</param>
internal BufferStream( HardwareBuffer owner, BufferBase data )
{
this.data = data;
this.owner = owner;
}
public int GetHashCode(object x)
{
HardwareBuffer a = x as HardwareBuffer;
return(a.ID);
}
public void DisposeIndexBuffer(HardwareBuffer buffer)
{
indexBuffers.Remove(buffer);
buffer.Dispose();
}
/// <summary>
/// Copy data from another buffer into this one.
/// </summary>
/// <param name="srcBuffer">The buffer from which to read the copied data.</param>
/// <param name="srcOffset">Offset in the source buffer at which to start reading.</param>
/// <param name="destOffset">Offset in the destination buffer to start writing.</param>
/// <param name="length">Length of the data to copy, in bytes.</param>
/// <param name="discardWholeBuffer">If true, will discard the entire contents of this buffer before copying.</param>
public virtual void CopyData(HardwareBuffer srcBuffer, int srcOffset, int destOffset, int length, bool discardWholeBuffer)
{
// lock the source buffer
IntPtr srcData = srcBuffer.Lock(srcOffset, length, BufferLocking.ReadOnly);
// write the data to this buffer
this.WriteData(destOffset, length, srcData, discardWholeBuffer);
// unlock the source buffer
srcBuffer.Unlock();
}
/// <summary>
/// Copy data from another buffer into this one.
/// </summary>
/// <param name="srcBuffer">The buffer from which to read the copied data.</param>
/// <param name="srcOffset">Offset in the source buffer at which to start reading.</param>
/// <param name="destOffset">Offset in the destination buffer to start writing.</param>
/// <param name="length">Length of the data to copy, in bytes.</param>
public virtual void CopyData(HardwareBuffer srcBuffer, int srcOffset, int destOffset, int length)
{
// call the overloaded method
CopyData(srcBuffer, srcOffset, destOffset, length, false);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="usage">Usage type.</param>
/// <param name="useSystemMemory"></param>
/// <param name="useShadowBuffer">Use a software shadow buffer?</param>
internal HardwareBuffer(BufferUsage usage, bool useSystemMemory, bool useShadowBuffer)
{
this.usage = usage;
this.useSystemMemory = useSystemMemory;
this.useShadowBuffer = useShadowBuffer;
this.shadowBuffer = null;
this.shadowUpdated = false;
this.suppressHardwareUpdate = false;
ID = nextID++;
if (useShadowBuffer && usage == BufferUsage.Dynamic)
usage = BufferUsage.DynamicWriteOnly;
else if (useShadowBuffer && usage == BufferUsage.Static)
usage = BufferUsage.StaticWriteOnly;
}
public void DisposeVertexBuffer(HardwareBuffer buffer)
{
vertexBuffers.Remove(buffer);
buffer.Dispose();
}
public void DisposeIndexBuffer(HardwareBuffer buffer)
{
indexBuffers.Remove(buffer);
buffer.Dispose();
}
/// <summary>
/// Copy data from another buffer into this one.
/// </summary>
/// <param name="srcBuffer">The buffer from which to read the copied data.</param>
/// <param name="srcOffset">Offset in the source buffer at which to start reading.</param>
/// <param name="destOffset">Offset in the destination buffer to start writing.</param>
/// <param name="length">Length of the data to copy, in bytes.</param>
public virtual void CopyData(HardwareBuffer srcBuffer, int srcOffset, int destOffset, int length)
{
// call the overloaded method
CopyData(srcBuffer, srcOffset, destOffset, length, false);
}
public void DisposeVertexBuffer(HardwareBuffer buffer)
{
vertexBuffers.Remove(buffer);
buffer.Dispose();
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="owner">Reference to the hardware buffer who owns this stream.</param>
/// <param name="data">Pointer to the raw data we will be writing to.</param>
internal BufferStream(HardwareBuffer owner, IntPtr data)
{
this.data = data;
this.owner = owner;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="owner">Reference to the hardware buffer who owns this stream.</param>
/// <param name="data">Pointer to the raw data we will be writing to.</param>
internal BufferStream(HardwareBuffer owner, BufferBase data)
{
this.data = data;
this.owner = owner;
}
