public void Rebind(XnaHardwarePixelBuffer buffer)
{
pixelBuffer = buffer;
width = pixelBuffer.Width;
height = pixelBuffer.Height;
colorDepth = PixelUtil.GetNumElemBits(buffer.Format);
}
public void Rebind( XnaHardwarePixelBuffer buffer )
{
pixelBuffer = buffer;
Width = pixelBuffer.Width;
Height = pixelBuffer.Height;
ColorDepth = PixelUtil.GetNumElemBits( buffer.Format );
}
private void CreateSurfaceList()
{
//Debug.Assert( this._texture != null, "texture must be intialized." );
Texture2D texture = null;
// Make sure number of mips is right
if (Usage != TextureUsage.RenderTarget)
{
mipmapCount = _texture.LevelCount - 1;
}
//#if SILVERLIGHT
if (mipmapCount < 0)
{
mipmapCount = 0;
}
//#endif
// Need to know static / dynamic
BufferUsage bufusage;
if (((Usage & TextureUsage.Dynamic) != 0) && _dynamicTextures)
{
bufusage = BufferUsage.Dynamic;
}
else
{
bufusage = BufferUsage.Static;
}
if ((Usage & TextureUsage.RenderTarget) != 0)
{
bufusage = (BufferUsage)((int)bufusage | (int)TextureUsage.RenderTarget);
}
// If we already have the right number of surfaces, just update the old list
var updateOldList = (_surfaceList.Count == (FaceCount * (MipmapCount + 1)));
if (!updateOldList)
{
// Create new list of surfaces
ClearSurfaceList();
for (var face = 0; face < FaceCount; ++face)
{
for (var mip = 0; mip <= MipmapCount; ++mip)
{
var buffer = new XnaHardwarePixelBuffer(bufusage);
_surfaceList.Add(buffer);
}
}
}
switch (TextureType)
{
case TextureType.OneD:
case TextureType.TwoD:
Debug.Assert(_normTexture != null, "texture must be intialized.");
// instead of passing a new texture2d to the hardware pixel buffer that wont have any reference to this normalTexture,
// we pass the normTexture and bind each mip level
// not sure but seems to work, each hardwarePixelBuffer will have the same reference to this same texture,
// but with different mips level, that will be updated with SetData(miplevel,ect...)
// This is required because .GetData<byte>( level ... ) copies the data from the buffer whereas in DX GetSurfaceLevel
// creates a new Surface object that references the same data.
// - borrillis
if (Usage == TextureUsage.RenderTarget)
{
GetSurfaceAtLevel(0, 0).Bind(_device, renderTarget, updateOldList);
}
else // For all mipmaps, store surfaces as HardwarePixelBuffer
{
for (ushort mip = 0; mip <= MipmapCount; ++mip)
{
GetSurfaceAtLevel(0, mip).Bind(_device, _normTexture, mip, updateOldList);
}
}
break;
case TextureType.CubeMap:
Debug.Assert(_cubeTexture != null, "texture must be initialized.");
// For all faces and mipmaps, store surfaces as HardwarePixelBuffer
for (ushort face = 0; face < 6; ++face)
{
for (ushort mip = 0; mip <= MipmapCount; ++mip)
{
GetSurfaceAtLevel(face, mip).Bind(_device, _cubeTexture, face, mip, updateOldList);
}
}
break;
case TextureType.ThreeD:
#if !SILVERLIGHT
Debug.Assert(_volumeTexture != null, "texture must be intialized.");
// For all mipmaps, store surfaces as HardwarePixelBuffer
// TODO - Load Volume Textures
for (var mip = 0; mip <= MipmapCount; ++mip)
{
GetSurfaceAtLevel(0, mip).Bind(_device, _volumeTexture, updateOldList);
}
#else
throw new NotSupportedException("TextureType.ThreeD is not supported in Silverlight 5.");
#endif
break;
}
// Set autogeneration of mipmaps for each face of the texture, if it is enabled
if ((requestedMipmapCount != 0) && ((Usage & TextureUsage.AutoMipMap) != 0))
{
for (var face = 0; face < FaceCount; ++face)
{
GetSurfaceAtLevel(face, 0).SetMipmapping(true, MipmapsHardwareGenerated, _texture);
}
}
}
private void CreateSurfaceList()
{
//Debug.Assert( this._texture != null, "texture must be intialized." );
Texture2D texture = null;
// Make sure number of mips is right
if ( Usage != TextureUsage.RenderTarget )
{
mipmapCount = _texture.LevelCount - 1;
}
//#if SILVERLIGHT
if (mipmapCount < 0) mipmapCount = 0;
//#endif
// Need to know static / dynamic
BufferUsage bufusage;
if ( ( ( Usage & TextureUsage.Dynamic ) != 0 ) && _dynamicTextures )
{
bufusage = BufferUsage.Dynamic;
}
else
{
bufusage = BufferUsage.Static;
}
if ( ( Usage & TextureUsage.RenderTarget ) != 0 )
{
bufusage = (BufferUsage)( (int)bufusage | (int)TextureUsage.RenderTarget );
}
// If we already have the right number of surfaces, just update the old list
var updateOldList = ( _surfaceList.Count == ( FaceCount * ( MipmapCount + 1 ) ) );
if ( !updateOldList )
{
// Create new list of surfaces
ClearSurfaceList();
for ( var face = 0; face < FaceCount; ++face )
{
for ( var mip = 0; mip <= MipmapCount; ++mip )
{
var buffer = new XnaHardwarePixelBuffer( bufusage );
_surfaceList.Add( buffer );
}
}
}
switch ( TextureType )
{
case TextureType.OneD:
case TextureType.TwoD:
Debug.Assert( _normTexture != null, "texture must be intialized." );
// instead of passing a new texture2d to the hardware pixel buffer that wont have any reference to this normalTexture,
// we pass the normTexture and bind each mip level
// not sure but seems to work, each hardwarePixelBuffer will have the same reference to this same texture,
// but with different mips level, that will be updated with SetData(miplevel,ect...)
// This is required because .GetData<byte>( level ... ) copies the data from the buffer whereas in DX GetSurfaceLevel
// creates a new Surface object that references the same data.
// - borrillis
if ( Usage == TextureUsage.RenderTarget )
{
GetSurfaceAtLevel( 0, 0 ).Bind( _device, renderTarget, updateOldList );
}
else // For all mipmaps, store surfaces as HardwarePixelBuffer
{
for ( ushort mip = 0; mip <= MipmapCount; ++mip )
{
GetSurfaceAtLevel( 0, mip ).Bind( _device, _normTexture, mip, updateOldList );
}
}
break;
case TextureType.CubeMap:
Debug.Assert( _cubeTexture != null, "texture must be initialized." );
// For all faces and mipmaps, store surfaces as HardwarePixelBuffer
for ( ushort face = 0; face < 6; ++face )
{
for ( ushort mip = 0; mip <= MipmapCount; ++mip )
{
GetSurfaceAtLevel( face, mip ).Bind( _device, _cubeTexture, face, mip, updateOldList );
}
}
break;
case TextureType.ThreeD:
#if !SILVERLIGHT
Debug.Assert( _volumeTexture != null, "texture must be intialized." );
// For all mipmaps, store surfaces as HardwarePixelBuffer
// TODO - Load Volume Textures
for ( var mip = 0; mip <= MipmapCount; ++mip )
{
GetSurfaceAtLevel( 0, mip ).Bind( _device, _volumeTexture, updateOldList );
}
#else
throw new NotSupportedException("TextureType.ThreeD is not supported in Silverlight 5.");
#endif
break;
}
// Set autogeneration of mipmaps for each face of the texture, if it is enabled
if ( ( requestedMipmapCount != 0 ) && ( ( Usage & TextureUsage.AutoMipMap ) != 0 ) )
{
for ( var face = 0; face < FaceCount; ++face )
{
GetSurfaceAtLevel( face, 0 ).SetMipmapping( true, MipmapsHardwareGenerated, _texture );
}
}
}
