/// <summary>
/// Return a subvolume of this PixelBox.
/// </summary>
/// <param name="def"> Defines the bounds of the subregion to return </param>
/// <returns> A pixel box describing the region and the data in it </returns>
/// <remarks>
/// This function does not copy any data, it just returns a PixelBox object with a data pointer pointing somewhere inside the data of object. Throws an Exception if def is not fully contained.
/// </remarks>
public PixelBox GetSubVolume(BasicBox def)
{
if (Compressed(this.format))
{
if (def.Left == left && def.Top == top && def.Front == front && def.Right == right && def.Bottom == bottom &&
def.Back == back)
{
// Entire buffer is being queried
return(this);
}
throw new Exception("Cannot return subvolume of compressed PixelBuffer, in PixelBox.GetSubVolume");
}
if (!Contains(def))
{
throw new Exception("Bounds out of range, in PixelBox.GetSubVolume");
}
var elemSize = PixelUtil.GetNumElemBytes(this.format);
// Calculate new data origin
var rval = new PixelBox(def, this.format, this.data);
rval.offset = (((def.Left - left) * elemSize) + ((def.Top - top) * this.rowPitch * elemSize) +
((def.Front - front) * this.slicePitch * elemSize));
rval.rowPitch = this.rowPitch;
rval.slicePitch = this.slicePitch;
rval.format = this.format;
return(rval);
}
unsafe private static void B8G8R8toR8G8B8(PixelBox src, PixelBox dst)
{
Col3b *srcptr = (Col3b *)(src.Data.ToPointer());
Col3b *dstptr = (Col3b *)(dst.Data.ToPointer());
int srcSliceSkip = src.SliceSkip;
int dstSliceSkip = dst.SliceSkip;
int k = src.Right - src.Left;
for (int z = src.Front; z < src.Back; z++)
{
for (int y = src.Top; y < src.Bottom; y++)
{
for (int x = 0; x < k; x++)
{
Col3b inp = srcptr[x];
dstptr[x].x = inp.z;
dstptr[x].y = inp.y;
dstptr[x].z = inp.x;
}
srcptr += src.RowPitch;
dstptr += dst.RowPitch;
}
srcptr += srcSliceSkip;
dstptr += dstSliceSkip;
}
}
public static void Convert(PixelBox src, PixelBox dst, IPixelConverter pixelConverter)
{
{
var srcptr = (BufferBase)src.Data.Clone();
var dstptr = (BufferBase)dst.Data.Clone();
var srcSliceSkip = src.SliceSkip;
var dstSliceSkip = dst.SliceSkip;
var k = src.Right - src.Left;
for (var z = src.Front; z < src.Back; z++)
{
for (var y = src.Top; y < src.Bottom; y++)
{
for (var x = 0; x < k; x++)
{
pixelConverter.Convert(srcptr, dstptr, x);
}
srcptr.Ptr += src.RowPitch * PixelUtil.GetNumElemBytes(src.Format);
dstptr.Ptr += dst.RowPitch * PixelUtil.GetNumElemBytes(dst.Format);
}
srcptr.Ptr += srcSliceSkip;
dstptr.Ptr += dstSliceSkip;
}
}
}
unsafe private static void R8G8B8toB8G8R8A8(PixelBox src, PixelBox dst)
{
Col3b *srcptr = (Col3b *)(src.Data.ToPointer());
uint * dstptr = (uint *)(dst.Data.ToPointer());
int xshift = 8;
int yshift = 16;
int zshift = 24;
int ashift = 0;
int srcSliceSkip = src.SliceSkip;
int dstSliceSkip = dst.SliceSkip;
int k = src.Right - src.Left;
for (int z = src.Front; z < src.Back; z++)
{
for (int y = src.Top; y < src.Bottom; y++)
{
for (int x = 0; x < k; x++)
{
Col3b inp = srcptr[x];
#if BIG_ENDIAN
dstptr[x] = ((uint)(0xFF << ashift)) | (((uint)inp.x) << xshift) | (((uint)inp.y) << yshift) | (((uint)inp.z) << zshift);
#else
dstptr[x] = ((uint)(0xFF << ashift)) | (((uint)inp.x) << zshift) | (((uint)inp.y) << yshift) | (((uint)inp.z) << xshift);
#endif
}
srcptr += src.RowPitch;
dstptr += dst.RowPitch;
}
srcptr += srcSliceSkip;
dstptr += dstSliceSkip;
}
}
unsafe private static void A8R8G8B8toB8G8R8(PixelBox src, PixelBox dst)
{
uint * srcptr = (uint *)(src.Data.ToPointer());
Col3b *dstptr = (Col3b *)(dst.Data.ToPointer());
int srcSliceSkip = src.SliceSkip;
int dstSliceSkip = dst.SliceSkip;
int k = src.Right - src.Left;
for (int z = src.Front; z < src.Back; z++)
{
for (int y = src.Top; y < src.Bottom; y++)
{
for (int x = 0; x < k; x++)
{
uint inp = srcptr[x];
dstptr[x].x = (byte)((inp >> 0) & 0xFF);
dstptr[x].y = (byte)((inp >> 8) & 0xFF);
dstptr[x].z = (byte)((inp >> 16) & 0xFF);
}
srcptr += src.RowPitch;
dstptr += dst.RowPitch;
}
srcptr += srcSliceSkip;
dstptr += dstSliceSkip;
}
}
public override void CopyContentsToMemory( PixelBox dst, RenderTarget.FrameBuffer buffer )
{
if ( buffer == FrameBuffer.Auto )
buffer = FrameBuffer.Front;
if ( buffer != FrameBuffer.Front )
{
throw new Exception( "Invalid buffer." );
}
pixelBuffer.BlitToMemory( dst );
}
public static bool DoOptimizedConversion(PixelBox src, PixelBox dst)
{
var conversion = ((int)src.Format << 8) | (int)dst.Format;
if (_supportedConversions.ContainsKey(conversion))
{
PixelBoxConverter.Convert(src, dst, _supportedConversions[conversion]);
return(true);
}
return(false);
}
///<summary>
/// Convert consecutive pixels from one format to another. No dithering or filtering is being done.
/// Converting from RGB to luminance takes the R channel. In case the source and destination format match,
/// just a copy is done.
///</summary>
///<param name="srcBytes">Pointer to source region</param>
///<param name="srcFormat">Pixel format of source region</param>
///<param name="dstBytes">Pointer to destination region</param>
///<param name="dstFormat">Pixel format of destination region</param>
public static void BulkPixelConversion(IntPtr srcBytes, int srcOffset, PixelFormat srcFormat,
IntPtr dstBytes, int dstOffset, PixelFormat dstFormat,
int count)
{
PixelBox src = new PixelBox(count, 1, 1, srcFormat, srcBytes);
src.Offset = srcOffset;
PixelBox dst = new PixelBox(count, 1, 1, dstFormat, dstBytes);
dst.Offset = dstOffset;
BulkPixelConversion(src, dst);
}
//-----------------------------------------------------------------------
public void ILUtil.FromAxiom(PixelBox src)
{
// ilTexImage http://openil.sourceforge.net/docs/il/f00059.htm
ILFormat ifmt = OgreFormat2ilFormat(src.format);
if (src.isConsecutive() && ifmt.isValid())
{
// The easy case, the buffer is laid out in memory just like
// we want it to be and is in a format DevIL can understand directly
// We could even save the copy if DevIL would let us
Il.ilTexImage(src.Width, src.Height, src.Depth, ifmt.numberOfChannels,
ifmt.format, ifmt.type, src.data);
}
else if (ifmt.isValid())
{
// The format can be understood directly by DevIL. The only
// problem is that ilTexImage expects our image data consecutively
// so we cannot use that directly.
// Let DevIL allocate the memory for us, and copy the data consecutively
// to its memory
ilTexImage(static_cast <ILuint>(src.getWidth()),
static_cast <ILuint>(src.getHeight()),
static_cast <ILuint>(src.getDepth()), ifmt.numberOfChannels,
ifmt.format, ifmt.type, 0);
PixelBox dst(src.getWidth(), src.getHeight(), src.getDepth(), src.format, ilGetData());
PixelUtil::bulkPixelConversion(src, dst);
}
else
{
// Here it gets ugly. We're stuck with a pixel format that DevIL
// can't do anything with. We will do a bulk pixel conversion and
// then feed it to DevIL anyway. The problem is finding the best
// format to convert to.
// most general format supported by OGRE and DevIL
PixelFormat fmt = PixelUtil::hasAlpha(src.format)?PF_FLOAT32_RGBA:PF_FLOAT32_RGB;
// Make up a pixel format
// We don't have to consider luminance formats as they have
// straight conversions to DevIL, just weird permutations of RGBA an LA
int depths[4];
/// <summary>
/// </summary>
public static void Scale(PixelBox src, PixelBox dst, int elementSize)
{
// assert(src.format == dst.format);
// srcdata stays at beginning, pdst is a moving pointer
//byte* srcdata = (byte*)src.Data;
//byte* pdst = (byte*)dst.Data;
var dstOffset = 0;
// sx_48,sy_48,sz_48 represent current position in source
// using 16/48-bit fixed precision, incremented by steps
var stepx = ((ulong)src.Width << 48) / (ulong)dst.Width;
var stepy = ((ulong)src.Height << 48) / (ulong)dst.Height;
var stepz = ((ulong)src.Depth << 48) / (ulong)dst.Depth;
// note: ((stepz>>1) - 1) is an extra half-step increment to adjust
// for the center of the destination pixel, not the top-left corner
var sz_48 = (stepz >> 1) - 1;
for (var z = (uint)dst.Front; z < dst.Back; z++, sz_48 += stepz)
{
var srczoff = (uint)(sz_48 >> 48) * (uint)src.SlicePitch;
var sy_48 = (stepy >> 1) - 1;
for (var y = (uint)dst.Top; y < dst.Bottom; y++, sy_48 += stepy)
{
var srcyoff = (uint)(sy_48 >> 48) * (uint)src.RowPitch;
var sx_48 = (stepx >> 1) - 1;
for (var x = (uint)dst.Left; x < dst.Right; x++, sx_48 += stepx)
{
Memory.Copy(src.Data, dst.Data, (int)(elementSize * ((uint)(sx_48 >> 48) + srcyoff + srczoff)), dstOffset,
elementSize);
dstOffset += elementSize;
}
dstOffset += elementSize * dst.RowSkip;
}
dstOffset += elementSize * dst.SliceSkip;
}
}
/// <summary>
/// </summary>
public static void Scale( PixelBox src, PixelBox dst, int elementSize )
{
// assert(src.format == dst.format);
// srcdata stays at beginning, pdst is a moving pointer
//byte* srcdata = (byte*)src.Data;
//byte* pdst = (byte*)dst.Data;
var dstOffset = 0;
// sx_48,sy_48,sz_48 represent current position in source
// using 16/48-bit fixed precision, incremented by steps
var stepx = ( (ulong)src.Width << 48 )/(ulong)dst.Width;
var stepy = ( (ulong)src.Height << 48 )/(ulong)dst.Height;
var stepz = ( (ulong)src.Depth << 48 )/(ulong)dst.Depth;
// note: ((stepz>>1) - 1) is an extra half-step increment to adjust
// for the center of the destination pixel, not the top-left corner
var sz_48 = ( stepz >> 1 ) - 1;
for ( var z = (uint)dst.Front; z < dst.Back; z++, sz_48 += stepz )
{
var srczoff = (uint)( sz_48 >> 48 )*(uint)src.SlicePitch;
var sy_48 = ( stepy >> 1 ) - 1;
for ( var y = (uint)dst.Top; y < dst.Bottom; y++, sy_48 += stepy )
{
var srcyoff = (uint)( sy_48 >> 48 )*(uint)src.RowPitch;
var sx_48 = ( stepx >> 1 ) - 1;
for ( var x = (uint)dst.Left; x < dst.Right; x++, sx_48 += stepx )
{
Memory.Copy( src.Data, dst.Data, (int)( elementSize*( (uint)( sx_48 >> 48 ) + srcyoff + srczoff ) ), dstOffset,
elementSize );
dstOffset += elementSize;
}
dstOffset += elementSize*dst.RowSkip;
}
dstOffset += elementSize*dst.SliceSkip;
}
}
unsafe private static void L16toL8(PixelBox src, PixelBox dst)
{
ushort *srcptr = (ushort *)(src.Data.ToPointer());
byte * dstptr = (byte *)(dst.Data.ToPointer());
int srcSliceSkip = src.SliceSkip;
int dstSliceSkip = dst.SliceSkip;
int k = src.Right - src.Left;
for (int z = src.Front; z < src.Back; z++)
{
for (int y = src.Top; y < src.Bottom; y++)
{
for (int x = 0; x < k; x++)
{
ushort inp = srcptr[x];
dstptr[x] = (byte)(inp >> 8);
}
srcptr += src.RowPitch;
dstptr += dst.RowPitch;
}
srcptr += srcSliceSkip;
dstptr += dstSliceSkip;
}
}
unsafe private static void X8B8G8R8toR8G8B8A8(PixelBox src, PixelBox dst)
{
uint *srcptr = (uint *)(src.Data.ToPointer());
uint *dstptr = (uint *)(dst.Data.ToPointer());
int srcSliceSkip = src.SliceSkip;
int dstSliceSkip = dst.SliceSkip;
int k = src.Right - src.Left;
for (int z = src.Front; z < src.Back; z++)
{
for (int y = src.Top; y < src.Bottom; y++)
{
for (int x = 0; x < k; x++)
{
uint inp = srcptr[x];
dstptr[x] = ((inp & 0x0000FF) << 24) | ((inp & 0xFF0000) >> 8) | ((inp & 0x00FF00) << 8) | 0x000000FF;
}
srcptr += src.RowPitch;
dstptr += dst.RowPitch;
}
srcptr += srcSliceSkip;
dstptr += dstSliceSkip;
}
}
unsafe private static void L8toB8G8R8A8(PixelBox src, PixelBox dst)
{
byte *srcptr = (byte *)(src.Data.ToPointer());
uint *dstptr = (uint *)(dst.Data.ToPointer());
int srcSliceSkip = src.SliceSkip;
int dstSliceSkip = dst.SliceSkip;
int k = src.Right - src.Left;
for (int z = src.Front; z < src.Back; z++)
{
for (int y = src.Top; y < src.Bottom; y++)
{
for (int x = 0; x < k; x++)
{
byte inp = srcptr[x];
dstptr[x] = 0x000000FF | (((uint)inp) << 8) | (((uint)inp) << 16) | (((uint)inp) << 24);
}
srcptr += src.RowPitch;
dstptr += dst.RowPitch;
}
srcptr += srcSliceSkip;
dstptr += dstSliceSkip;
}
}
protected static System.Drawing.Rectangle ToD3DRectangleExtent( PixelBox lockBox )
{
Debug.Assert( lockBox.Depth == 1 );
var r = new System.Drawing.Rectangle();
r.X = 0;
r.Width = lockBox.Width;
r.X = 0;
r.Height = lockBox.Height;
return r;
}
public void Bind( D3D9.Device dev, D3D9.Volume volume, D3D9.BaseTexture mipTex )
{
//Entering critical section
LockDeviceAccess();
var bufferResources = GetBufferResources( dev );
var isNewBuffer = false;
if ( bufferResources == null )
{
bufferResources = new BufferResources();
this.mapDeviceToBufferResources.Add( dev, bufferResources );
isNewBuffer = true;
}
bufferResources.MipTex = mipTex;
bufferResources.Volume = volume;
var desc = volume.Description;
width = desc.Width;
height = desc.Height;
depth = desc.Depth;
format = D3D9Helper.ConvertEnum( desc.Format );
// Default
rowPitch = Width;
slicePitch = Height*Width;
sizeInBytes = PixelUtil.GetMemorySize( Width, Height, Depth, Format );
if ( isNewBuffer && this.ownerTexture.IsManuallyLoaded )
{
foreach ( var it in this.mapDeviceToBufferResources )
{
if ( it.Value != bufferResources && it.Value.Volume != null && it.Key.TestCooperativeLevel().Success &&
dev.TestCooperativeLevel().Success )
{
var fullBufferBox = new BasicBox( 0, 0, 0, Width, Height, Depth );
var dstBox = new PixelBox( fullBufferBox, Format );
var data = new byte[sizeInBytes];
using ( var d = BufferBase.Wrap( data ) )
{
dstBox.Data = d;
BlitToMemory( fullBufferBox, dstBox, it.Value, it.Key );
BlitFromMemory( dstBox, fullBufferBox, bufferResources );
Array.Clear( data, 0, sizeInBytes );
}
break;
}
}
}
//Leaving critical section
UnlockDeviceAccess();
}
public GLESHardwarePixelBuffer( int width, int height, int depth, PixelFormat format, BufferUsage usage )
: base( width, height, depth, format, usage, false, false )
{
_buffer = new PixelBox( width, height, depth, format );
_glInternalFormat = 0;
}
/// <summary>
///
/// </summary>
/// <param name="src"></param>
/// <param name="dstBox"></param>
public override void BlitFromMemory( PixelBox src, Media.BasicBox dstBox )
{
if ( !_buffer.Contains( dstBox ) )
{
throw new ArgumentOutOfRangeException( "Destination box out of range, GLESHardwarePixelBuffer.BlitToMemory" );
}
PixelBox scaled;
if ( src.Width != dstBox.Width ||
src.Height != dstBox.Height ||
src.Depth != dstBox.Depth )
{
LogManager.Instance.Write( "[GLESHardwarePixelBuffer] Scale to destination size." );
// Scale to destination size. Use DevIL and not iluScale because ILU screws up for
// floating point textures and cannot cope with 3D images.
// This also does pixel format conversion if needed
AllocateBuffer();
scaled = _buffer.GetSubVolume( dstBox );
Image.Scale( src, scaled, ImageFilter.Bilinear );
}
else if ( ( src.Format != Format ) ||
( ( GLESPixelUtil.GetGLOriginFormat( src.Format ) == 0 ) && ( src.Format != PixelFormat.R8G8B8 ) ) )
{
LogManager.Instance.Write( "[GLESHardwarePixelBuffer] Extents match, but format is not accepted as valid source format for GL." );
LogManager.Instance.Write( "[GLESHardwarePixelBuffer] Source.Format = {0}, Format = {1}, GLOriginFormat = {2}", src.Format, Format, GLESPixelUtil.GetGLOriginFormat( src.Format ) );
// Extents match, but format is not accepted as valid source format for GL
// do conversion in temporary buffer
AllocateBuffer();
scaled = _buffer.GetSubVolume( dstBox );
PixelConverter.BulkPixelConversion( src, scaled );
}
else
{
LogManager.Instance.Write( "[GLESHardwarePixelBuffer] No scaling or conversion needed." );
scaled = src;
if ( src.Format == PixelFormat.R8G8B8 )
{
scaled.Format = PixelFormat.R8G8B8;
PixelConverter.BulkPixelConversion( src, scaled );
}
// No scaling or conversion needed
// Set extents for upload
scaled.Left = dstBox.Left;
scaled.Right = dstBox.Right;
scaled.Top = dstBox.Top;
scaled.Bottom = dstBox.Bottom;
scaled.Front = dstBox.Front;
scaled.Back = dstBox.Back;
}
Upload( scaled, dstBox );
FreeBuffer();
}
/// <summary>
///
/// </summary>
/// <param name="data"></param>
protected virtual void Download( PixelBox data )
{
throw new AxiomException( "Download not possible for this pixelbuffer type" );
}
public abstract void CopyContentsToMemory(PixelBox pb, FrameBuffer buffer);
public static bool DoOptimizedConversion(PixelBox src, PixelBox dst)
{
switch (((int)src.Format << 8) + (int)dst.Format)
{
case ((int)PixelFormat.A8R8G8B8 << 8) + (int)PixelFormat.A8B8G8R8:
A8R8G8B8toA8B8G8R8(src, dst);
break;
case ((int)PixelFormat.A8R8G8B8 << 8) + (int)PixelFormat.B8G8R8A8:
A8R8G8B8toB8G8R8A8(src, dst);
break;
case ((int)PixelFormat.A8R8G8B8 << 8) + (int)PixelFormat.R8G8B8A8:
A8R8G8B8toR8G8B8A8(src, dst);
break;
case ((int)PixelFormat.A8B8G8R8 << 8) + (int)PixelFormat.A8R8G8B8:
A8B8G8R8toA8R8G8B8(src, dst);
break;
case ((int)PixelFormat.A8B8G8R8 << 8) + (int)PixelFormat.B8G8R8A8:
A8B8G8R8toB8G8R8A8(src, dst);
break;
case ((int)PixelFormat.A8B8G8R8 << 8) + (int)PixelFormat.R8G8B8A8:
A8B8G8R8toR8G8B8A8(src, dst);
break;
case ((int)PixelFormat.B8G8R8A8 << 8) + (int)PixelFormat.A8R8G8B8:
B8G8R8A8toA8R8G8B8(src, dst);
break;
case ((int)PixelFormat.B8G8R8A8 << 8) + (int)PixelFormat.A8B8G8R8:
B8G8R8A8toA8B8G8R8(src, dst);
break;
case ((int)PixelFormat.B8G8R8A8 << 8) + (int)PixelFormat.R8G8B8A8:
B8G8R8A8toR8G8B8A8(src, dst);
break;
//case ((int)PixelFormat.R8G8B8A8 << 8) + (int)PixelFormat.A8R8G8B8:
// R8G8B8A8toA8R8G8B8(src, dst);
// break;
case ((int)PixelFormat.R8G8B8A8 << 8) + (int)PixelFormat.A8B8G8R8:
R8G8B8A8toA8B8G8R8(src, dst);
break;
case ((int)PixelFormat.R8G8B8A8 << 8) + (int)PixelFormat.B8G8R8A8:
R8G8B8A8toB8G8R8A8(src, dst);
break;
case ((int)PixelFormat.A8B8G8R8 << 8) + (int)PixelFormat.L8:
A8B8G8R8toL8(src, dst);
break;
case ((int)PixelFormat.L8 << 8) + (int)PixelFormat.A8B8G8R8:
L8toA8B8G8R8(src, dst);
break;
case ((int)PixelFormat.A8R8G8B8 << 8) + (int)PixelFormat.L8:
A8R8G8B8toL8(src, dst);
break;
case ((int)PixelFormat.L8 << 8) + (int)PixelFormat.A8R8G8B8:
L8toA8R8G8B8(src, dst);
break;
case ((int)PixelFormat.B8G8R8A8 << 8) + (int)PixelFormat.L8:
B8G8R8A8toL8(src, dst);
break;
case ((int)PixelFormat.L8 << 8) + (int)PixelFormat.B8G8R8A8:
L8toB8G8R8A8(src, dst);
break;
case ((int)PixelFormat.L8 << 8) + (int)PixelFormat.L16:
L8toL16(src, dst);
break;
case ((int)PixelFormat.L16 << 8) + (int)PixelFormat.L8:
L16toL8(src, dst);
break;
case ((int)PixelFormat.B8G8R8 << 8) + (int)PixelFormat.R8G8B8:
B8G8R8toR8G8B8(src, dst);
break;
case ((int)PixelFormat.R8G8B8 << 8) + (int)PixelFormat.B8G8R8:
R8G8B8toB8G8R8(src, dst);
break;
case ((int)PixelFormat.R8G8B8 << 8) + (int)PixelFormat.A8R8G8B8:
R8G8B8toA8R8G8B8(src, dst);
break;
case ((int)PixelFormat.B8G8R8 << 8) + (int)PixelFormat.A8R8G8B8:
B8G8R8toA8R8G8B8(src, dst);
break;
case ((int)PixelFormat.R8G8B8 << 8) + (int)PixelFormat.A8B8G8R8:
R8G8B8toA8B8G8R8(src, dst);
break;
case ((int)PixelFormat.B8G8R8 << 8) + (int)PixelFormat.A8B8G8R8:
B8G8R8toA8B8G8R8(src, dst);
break;
case ((int)PixelFormat.R8G8B8 << 8) + (int)PixelFormat.B8G8R8A8:
R8G8B8toB8G8R8A8(src, dst);
break;
case ((int)PixelFormat.B8G8R8 << 8) + (int)PixelFormat.B8G8R8A8:
B8G8R8toB8G8R8A8(src, dst);
break;
case ((int)PixelFormat.A8R8G8B8 << 8) + (int)PixelFormat.R8G8B8:
A8R8G8B8toR8G8B8(src, dst);
break;
case ((int)PixelFormat.A8R8G8B8 << 8) + (int)PixelFormat.B8G8R8:
A8R8G8B8toB8G8R8(src, dst);
break;
case ((int)PixelFormat.X8R8G8B8 << 8) + (int)PixelFormat.A8R8G8B8:
X8R8G8B8toA8R8G8B8(src, dst);
break;
case ((int)PixelFormat.X8R8G8B8 << 8) + (int)PixelFormat.A8B8G8R8:
X8R8G8B8toA8B8G8R8(src, dst);
break;
case ((int)PixelFormat.X8R8G8B8 << 8) + (int)PixelFormat.B8G8R8A8:
X8R8G8B8toB8G8R8A8(src, dst);
break;
case ((int)PixelFormat.X8R8G8B8 << 8) + (int)PixelFormat.R8G8B8A8:
X8R8G8B8toR8G8B8A8(src, dst);
break;
case ((int)PixelFormat.X8B8G8R8 << 8) + (int)PixelFormat.A8R8G8B8:
X8B8G8R8toA8R8G8B8(src, dst);
break;
case ((int)PixelFormat.X8B8G8R8 << 8) + (int)PixelFormat.A8B8G8R8:
X8B8G8R8toA8B8G8R8(src, dst);
break;
case ((int)PixelFormat.X8B8G8R8 << 8) + (int)PixelFormat.B8G8R8A8:
X8B8G8R8toB8G8R8A8(src, dst);
break;
case ((int)PixelFormat.X8B8G8R8 << 8) + (int)PixelFormat.R8G8B8A8:
X8B8G8R8toR8G8B8A8(src, dst);
break;
default:
return(false);
}
return(true);
}
//-----------------------------------------------------------------------
public static void ToAxiom(PixelBox dst)
{
if (!dst.Consecutive)
{
throw new NotImplementedException("Destination must currently be consecutive");
}
if (dst.Width != Il.ilGetInteger(Il.IL_IMAGE_WIDTH) ||
dst.Height != Il.ilGetInteger(Il.IL_IMAGE_HEIGHT) ||
dst.Depth != Il.ilGetInteger(Il.IL_IMAGE_DEPTH))
{
throw new AxiomException("Destination dimensions must equal IL dimension");
}
int ilfmt = Il.ilGetInteger(Il.IL_IMAGE_FORMAT);
int iltp = Il.ilGetInteger(Il.IL_IMAGE_TYPE);
// Check if in-memory format just matches
// If yes, we can just copy it and save conversion
ILFormat ifmt = ILUtil.ConvertToILFormat(dst.Format);
if (ifmt.format == ilfmt && ILabs(ifmt.type) == ILabs(iltp))
{
int size = Il.ilGetInteger(Il.IL_IMAGE_SIZE_OF_DATA);
// Copy from the IL structure to our buffer
PixelUtil.CopyBytes(dst.Data, dst.Offset, Il.ilGetData(), 0, size);
return;
}
// Try if buffer is in a known OGRE format so we can use OGRE its
// conversion routines
PixelFormat bufFmt = ILUtil.ConvertFromILFormat(ilfmt, iltp);
ifmt = ILUtil.ConvertToILFormat(bufFmt);
if (ifmt.format == ilfmt && ILabs(ifmt.type) == ILabs(iltp))
{
// IL format matches another OGRE format
PixelBox src = new PixelBox(dst.Width, dst.Height, dst.Depth, bufFmt, Il.ilGetData());
PixelUtil.BulkPixelConversion(src, dst);
return;
}
#if NOT
// The extremely slow method
if (iltp == Il.IL_UNSIGNED_BYTE || iltp == Il.IL_BYTE)
{
ilToOgreInternal(static_cast <uint8 *>(dst.data), dst.format, (uint8)0x00, (uint8)0x00, (uint8)0x00, (uint8)0xFF);
}
else if (iltp == IL_FLOAT)
{
ilToOgreInternal(static_cast <uint8 *>(dst.data), dst.format, 0.0f, 0.0f, 0.0f, 1.0f);
}
else if (iltp == IL_SHORT || iltp == IL_UNSIGNED_SHORT)
{
ilToOgreInternal(static_cast <uint8 *>(dst.data), dst.format,
(uint16)0x0000, (uint16)0x0000, (uint16)0x0000, (uint16)0xFFFF);
}
else
{
OGRE_EXCEPT(Exception::UNIMPLEMENTED_FEATURE,
"Cannot convert this DevIL type",
"ILUtil::ilToOgre");
}
#else
throw new NotImplementedException("Cannot convert this DevIL type");
#endif
}
public void Scale(PixelBox src, PixelBox dst)
{
// assert(src.format == dst.format);
// only optimized for 2D
if (src.Depth > 1 || dst.Depth > 1)
{
(new LinearResampler()).Scale(src, dst);
return;
}
#if !AXIOM_SAFE_ONLY
unsafe
#endif
{
// srcdata stays at beginning of slice, pdst is a moving pointer
var srcdata = src.Data.ToBytePointer();
var dstData = dst.Data.ToBytePointer();
var pdst = 0;
// sx_48,sy_48 represent current position in source
// using 16/48-bit fixed precision, incremented by steps
var stepx = (UInt64)((src.Width << 48) / dst.Width);
var stepy = (UInt64)((src.Height << 48) / dst.Height);
// bottom 28 bits of temp are 16/12 bit fixed precision, used to
// adjust a source coordinate backwards by half a pixel so that the
// integer bits represent the first sample (eg, sx1) and the
// fractional bits are the blend weight of the second sample
uint temp;
var sy_48 = (stepy >> 1) - 1;
for (var y = (uint)dst.Top; y < dst.Bottom; y++, sy_48 += stepy)
{
temp = (uint)(sy_48 >> 36);
temp = (temp > 0x800) ? temp - 0x800 : 0;
var syf = temp & 0xFFF;
var sy1 = temp >> 12;
var sy2 = (uint)System.Math.Min(sy1 + 1, src.Bottom - src.Top - 1);
var syoff1 = (uint)(sy1 * src.RowPitch);
var syoff2 = (uint)(sy2 * src.RowPitch);
var sx_48 = (stepx >> 1) - 1;
for (var x = (uint)dst.Left; x < dst.Right; x++, sx_48 += stepx)
{
temp = (uint)(sx_48 >> 36);
temp = (temp > 0x800) ? temp - 0x800 : 0;
var sxf = temp & 0xFFF;
var sx1 = temp >> 12;
var sx2 = (uint)System.Math.Min(sx1 + 1, src.Right - src.Left - 1);
var sxfsyf = sxf * syf;
for (uint k = 0; k < this._channels; k++)
{
var accum =
(uint)
(srcdata[(int)((sx1 + syoff1) * this._channels + k)] *
(char)(0x1000000 - (sxf << 12) - (syf << 12) + sxfsyf) +
srcdata[(int)((sx2 + syoff1) * this._channels + k)] * (char)((sxf << 12) - sxfsyf) +
srcdata[(int)((sx1 + syoff2) * this._channels + k)] * (char)((syf << 12) - sxfsyf) +
srcdata[(int)((sx2 + syoff2) * this._channels + k)] * (char)sxfsyf);
// accum is computed using 8/24-bit fixed-point math
// (maximum is 0xFF000000; rounding will not cause overflow)
dstData[pdst++] = (byte)((accum + 0x800000) >> 24);
}
}
pdst += this._channels * dst.RowSkip;
}
}
}
private void Unpack(ref ColorEx dst, int x, int y, int z, PixelFormat format, BufferBase src, PixelBox srcbox,
int elemsize)
{
var data = src + (elemsize * ((x) + (y) * srcbox.RowPitch + (z) * srcbox.SlicePitch));
dst = PixelConverter.UnpackColor(format, data);
}
protected PixelBox LockBuffer( BufferResources bufferResources, BasicBox lockBox, D3D9.LockFlags flags )
{
// Set extents and format
// Note that we do not carry over the left/top/front here, since the returned
// PixelBox will be re-based from the locking point onwards
var rval = new PixelBox( lockBox.Width, lockBox.Height, lockBox.Depth, Format );
if ( bufferResources.Surface != null )
{
//Surface
DX.DataRectangle lrect; // Filled in by D3D
if ( lockBox.Left == 0 && lockBox.Top == 0 && lockBox.Right == Width && lockBox.Bottom == Height )
{
// Lock whole surface
lrect = bufferResources.Surface.LockRectangle( flags );
}
else
{
var prect = ToD3DRectangle( lockBox );
lrect = bufferResources.Surface.LockRectangle( prect, flags );
}
FromD3DLock( rval, lrect );
}
else if ( bufferResources.Volume != null )
{
// Volume
var pbox = ToD3DBox( lockBox ); // specify range to lock
var lbox = bufferResources.Volume.LockBox( pbox, flags );
FromD3DLock( rval, lbox );
}
return rval;
}
/// <summary>
/// </summary>
/// <param name="src"> </param>
/// <param name="temp"> </param>
public static void Scale(PixelBox src, PixelBox temp)
{
Scale(src, temp, PixelUtil.GetNumElemBytes(src.Format));
}
protected void BlitFromMemory( PixelBox src, BasicBox dstBox, BufferResources dstBufferResources )
{
// for scoped deletion of conversion buffer
var converted = src;
var bufSize = 0;
// convert to pixelbuffer's native format if necessary
if ( D3D9Helper.ConvertEnum( src.Format ) == D3D9.Format.Unknown )
{
bufSize = PixelUtil.GetMemorySize( src.Width, src.Height, src.Depth, Format );
var newBuffer = new byte[bufSize];
using ( var data = BufferBase.Wrap( newBuffer ) )
{
converted = new PixelBox( src.Width, src.Height, src.Depth, Format, data );
}
PixelConverter.BulkPixelConversion( src, converted );
}
int rowWidth = 0;
if ( PixelUtil.IsCompressed( converted.Format ) )
{
rowWidth = converted.RowPitch/4;
// D3D wants the width of one row of cells in bytes
if ( converted.Format == PixelFormat.DXT1 )
{
// 64 bits (8 bytes) per 4x4 block
rowWidth *= 8;
}
else
{
// 128 bits (16 bytes) per 4x4 block
rowWidth *= 16;
}
}
else
{
rowWidth = converted.RowPitch*PixelUtil.GetNumElemBytes( converted.Format );
}
if ( dstBufferResources.Surface != null )
{
var srcRect = ToD3DRectangle( converted );
var destRect = ToD3DRectangle( dstBox );
bufSize = PixelUtil.GetMemorySize( converted.Width, converted.Height, converted.Depth, converted.Format );
var data = new byte[bufSize];
using ( var dest = BufferBase.Wrap( data ) )
{
Memory.Copy( converted.Data, dest, bufSize );
}
try
{
D3D9.Surface.FromMemory( dstBufferResources.Surface, data, D3D9.Filter.Default, 0,
D3D9Helper.ConvertEnum( converted.Format ), rowWidth, srcRect, destRect );
}
catch ( Exception e )
{
throw new AxiomException( "D3D9.Surface.FromMemory failed in D3D9HardwarePixelBuffer.BlitFromMemory", e );
}
}
else if ( dstBufferResources.Volume != null )
{
var srcBox = ToD3DBox( converted );
var destBox = ToD3DBox( dstBox );
var sliceWidth = 0;
if ( PixelUtil.IsCompressed( converted.Format ) )
{
sliceWidth = converted.SlicePitch/16;
// D3D wants the width of one slice of cells in bytes
if ( converted.Format == PixelFormat.DXT1 )
{
// 64 bits (8 bytes) per 4x4 block
sliceWidth *= 8;
}
else
{
// 128 bits (16 bytes) per 4x4 block
sliceWidth *= 16;
}
}
else
{
sliceWidth = converted.SlicePitch*PixelUtil.GetNumElemBytes( converted.Format );
}
bufSize = PixelUtil.GetMemorySize( converted.Width, converted.Height, converted.Depth, converted.Format );
var data = new byte[ bufSize ];
using ( var dest = BufferBase.Wrap( data ) )
{
Memory.Copy( converted.Data, dest, bufSize );
}
try
{
using ( var srcData = BufferBase.Wrap( data ) )
{
var srcMemoryPtr = new IntPtr( srcData.Ptr );
dstBufferResources.Volume.LoadFromMemory( null, destBox, srcMemoryPtr, D3D9Helper.ConvertEnum( converted.Format ),
rowWidth, slicePitch, null, srcBox, D3D9.Filter.Default, 0 );
}
}
catch ( Exception e )
{
throw new AxiomException( "D3D9.Volume.FromFileInMemory failed in D3D9HardwarePixelBuffer.BlitFromMemory", e );
}
}
if ( this.doMipmapGen )
{
GenMipmaps( dstBufferResources.MipTex );
}
}
static public void ConvertFromIL( PixelBox dst )
{
if ( !dst.IsConsecutive )
throw new Exception( "Destination must currently be consecutive" );
if ( dst.Width != Il.ilGetInteger( Il.IL_IMAGE_WIDTH ) ||
dst.Height != Il.ilGetInteger( Il.IL_IMAGE_HEIGHT ) ||
dst.Depth != Il.ilGetInteger( Il.IL_IMAGE_DEPTH ) )
throw new Exception( "Destination dimensions must equal IL dimension" );
int ilfmt = Il.ilGetInteger( Il.IL_IMAGE_FORMAT );
int iltp = Il.ilGetInteger( Il.IL_IMAGE_TYPE );
// Check if in-memory format just matches
// If yes, we can just copy it and save conversion
ILFormat ifmt = Convert( dst.Format );
if ( ifmt.Format == ilfmt && ILabs( ifmt.Type ) == ILabs( iltp ) )
{
Memory.Copy( Il.ilGetData(), dst.Data, Il.ilGetInteger( Il.IL_IMAGE_SIZE_OF_DATA ) );
return;
}
// Try if buffer is in a known Axiom format so we can use its conversion routines
PixelFormat bufFmt = Convert( (int)ilfmt, (int)iltp );
ifmt = Convert( bufFmt );
if ( ifmt.Format == ilfmt && ILabs( ifmt.Type ) == ILabs( iltp ) )
{
// IL format matches another Axiom format
PixelBox src = new PixelBox( dst.Width, dst.Height, dst.Depth, bufFmt, Il.ilGetData() );
PixelConverter.BulkPixelConversion( src, dst );
return;
}
// Thee extremely slow method
if ( iltp == Il.IL_UNSIGNED_BYTE || iltp == Il.IL_BYTE )
{
throw new NotImplementedException( "Cannot convert this DevIL type." );
//ilToOgreInternal( static_cast<uint8*>( dst.data ), dst.format, (uint8)0x00, (uint8)0x00, (uint8)0x00, (uint8)0xFF );
}
else if ( iltp == Il.IL_FLOAT )
{
throw new NotImplementedException( "Cannot convert this DevIL type." );
//ilToOgreInternal( static_cast<uint8*>( dst.data ), dst.format, 0.0f, 0.0f, 0.0f, 1.0f );
}
else if ( iltp == Il.IL_SHORT || iltp == Il.IL_UNSIGNED_SHORT )
{
throw new NotImplementedException( "Cannot convert this DevIL type." );
//ilToOgreInternal( static_cast<uint8*>( dst.data ), dst.format, (uint16)0x0000, (uint16)0x0000, (uint16)0x0000, (uint16)0xFFFF );
}
else
{
throw new Exception( "Cannot convert this DevIL type." );
}
}
public void CopyContentsToMemory(PixelBox pb)
{
CopyContentsToMemory(pb, FrameBuffer.Auto);
}
static public void ConvertToIL( PixelBox src )
{
// ilTexImage http://openil.sourceforge.net/docs/il/f00059.htm
ILFormat ifmt = Convert( src.Format );
if ( src.IsConsecutive && ifmt.IsValid )
{
// The easy case, the buffer is laid out in memory just like
// we want it to be and is in a format DevIL can understand directly
// We could even save the copy if DevIL would let us
Il.ilTexImage( src.Width, src.Height, src.Depth, (byte)ifmt.Channels, ifmt.Format, ifmt.Type, src.Data );
}
else if ( ifmt.IsValid )
{
// The format can be understood directly by DevIL. The only
// problem is that ilTexImage expects our image data consecutively
// so we cannot use that directly.
// Let DevIL allocate the memory for us, and copy the data consecutively
// to its memory
Il.ilTexImage( src.Width, src.Height, src.Depth, (byte)ifmt.Channels, ifmt.Format, ifmt.Type, IntPtr.Zero );
PixelBox dst = new PixelBox( src.Width, src.Height, src.Depth, src.Format, Il.ilGetData() );
PixelConverter.BulkPixelConversion( src, dst );
}
else
{
// Here it gets ugly. We're stuck with a pixel format that DevIL
// can't do anything with. We will do a bulk pixel conversion and
// then feed it to DevIL anyway. The problem is finding the best
// format to convert to.
// most general format supported by Axiom and DevIL
PixelFormat fmt = PixelUtil.HasAlpha( src.Format ) ? PixelFormat.FLOAT32_RGBA : PixelFormat.FLOAT32_RGB;
// Make up a pixel format
// We don't have to consider luminance formats as they have
// straight conversions to DevIL, just weird permutations of RGBA an LA
int[] depths = PixelUtil.GetBitDepths( src.Format );
// Native endian format with all bit depths<8 can safely and quickly be
// converted to 24/32 bit
if ( PixelUtil.IsNativeEndian( src.Format ) &&
depths[ 0 ] <= 8 && depths[ 1 ] <= 8 && depths[ 2 ] <= 8 && depths[ 3 ] <= 8 )
{
if ( PixelUtil.HasAlpha( src.Format ) )
{
fmt = PixelFormat.A8R8G8B8;
}
else
{
fmt = PixelFormat.R8G8B8;
}
}
// Let DevIL allocate the memory for us, then do the conversion ourselves
ifmt = Convert( fmt );
Il.ilTexImage( src.Width, src.Height, src.Depth, (byte)ifmt.Channels, ifmt.Format, ifmt.Type, IntPtr.Zero ); // TAO 2.0
//Il.ilTexImage( src.Width, src.Height, src.Depth, (byte)ifmt.Channels, ifmt.Format, ifmt.Type, null );
IntPtr data = Il.ilGetData();
PixelBox dst = new PixelBox( src.Width, src.Height, src.Depth, fmt, data );
PixelConverter.BulkPixelConversion( src, dst );
}
}
/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <param name="dest"></param>
protected virtual void Upload( PixelBox data, BasicBox dest )
{
throw new AxiomException( "Upload not possible for this pixelbuffer type" );
}
public void WriteContentsToFile( string fileName )
{
var pf = SuggestPixelFormat();
var data = new byte[Width*Height*PixelUtil.GetNumElemBytes( pf )];
var buf = BufferBase.Wrap( data );
var pb = new PixelBox( Width, Height, 1, pf, buf );
CopyContentsToMemory( pb );
( new Image() ).FromDynamicImage( data, Width, Height, 1, pf, false, 1, 0 ).Save( fileName );
buf.Dispose();
}
/// <summary>
///
/// </summary>
/// <param name="srcBox"></param>
/// <param name="dst"></param>
public override void BlitToMemory( BasicBox srcBox, PixelBox dst )
{
if ( !_buffer.Contains( srcBox ) )
{
throw new ArgumentOutOfRangeException( "source boux out of range" );
}
if ( srcBox.Left == 0 && srcBox.Right == Width &&
srcBox.Top == 0 && srcBox.Bottom == Height &&
srcBox.Front == 0 && srcBox.Back == Depth &&
dst.Width == Width &&
dst.Height == Height &&
dst.Depth == Depth &&
GLESPixelUtil.GetGLOriginFormat( dst.Format ) != 0 )
{
// The direct case: the user wants the entire texture in a format supported by GL
// so we don't need an intermediate buffer
Download( dst );
}
else
{
// Use buffer for intermediate copy
AllocateBuffer();
//download entire buffer
Download( _buffer );
if ( srcBox.Width != dst.Width ||
srcBox.Height != dst.Height ||
srcBox.Depth != dst.Depth )
{
// we need scaling
Image.Scale( _buffer.GetSubVolume( srcBox ), dst, ImageFilter.Bilinear );
}
else
{
// Just copy the bit that we need
PixelConverter.BulkPixelConversion( _buffer.GetSubVolume( srcBox ), dst );
}
FreeBuffer();
}
}
protected void BlitToMemory( BasicBox srcBox, PixelBox dst, BufferResources srcBufferResources, D3D9.Device d3d9Device )
{
// Decide on pixel format of temp surface
PixelFormat tmpFormat = Format;
if ( D3D9Helper.ConvertEnum( dst.Format ) != D3D9.Format.Unknown )
{
tmpFormat = dst.Format;
}
if ( srcBufferResources.Surface != null )
{
Debug.Assert( srcBox.Depth == 1 && dst.Depth == 1 );
var srcDesc = srcBufferResources.Surface.Description;
var temppool = D3D9.Pool.Scratch;
// if we're going to try to use GetRenderTargetData, need to use system mem pool
var tryGetRenderTargetData = false;
if ( ( ( srcDesc.Usage & D3D9.Usage.RenderTarget ) != 0 ) && ( srcBox.Width == dst.Width ) &&
( srcBox.Height == dst.Height ) && ( srcBox.Width == Width ) && ( srcBox.Height == Height ) &&
( Format == tmpFormat ) )
{
tryGetRenderTargetData = true;
temppool = D3D9.Pool.SystemMemory;
}
// Create temp texture
var tmp = new D3D9.Texture( d3d9Device, dst.Width, dst.Height, 1, // 1 mip level ie topmost, generate no mipmaps
0, D3D9Helper.ConvertEnum( tmpFormat ), temppool );
var surface = tmp.GetSurfaceLevel( 0 );
// Copy texture to this temp surface
var srcRect = ToD3DRectangle( srcBox );
var destRect = ToD3DRectangle( dst );
// Get the real temp surface format
var dstDesc = surface.Description;
tmpFormat = D3D9Helper.ConvertEnum( dstDesc.Format );
// Use fast GetRenderTargetData if we are in its usage conditions
var fastLoadSuccess = false;
if ( tryGetRenderTargetData )
{
var result = d3d9Device.GetRenderTargetData( srcBufferResources.Surface, surface );
fastLoadSuccess = result.Success;
}
if ( !fastLoadSuccess )
{
var res = D3D9.Surface.FromSurface( surface, srcBufferResources.Surface, D3D9.Filter.Default, 0, srcRect, destRect );
if ( res.Failure )
{
surface.SafeDispose();
tmp.SafeDispose();
throw new AxiomException( "D3D9.Surface.FromSurface failed in D3D9HardwarePixelBuffer.BlitToMemory" );
}
}
// Lock temp surface and copy it to memory
var lrect = surface.LockRectangle( D3D9.LockFlags.ReadOnly );
// Copy it
var locked = new PixelBox( dst.Width, dst.Height, dst.Depth, tmpFormat );
FromD3DLock( locked, lrect );
PixelConverter.BulkPixelConversion( locked, dst );
surface.UnlockRectangle();
// Release temporary surface and texture
surface.SafeDispose();
tmp.SafeDispose();
}
else if ( srcBufferResources.Volume != null )
{
// Create temp texture
var tmp = new D3D9.VolumeTexture( d3d9Device, dst.Width, dst.Height, dst.Depth, 0, 0,
D3D9Helper.ConvertEnum( tmpFormat ), D3D9.Pool.Scratch );
var surface = tmp.GetVolumeLevel( 0 );
// Volume
var ddestBox = ToD3DBoxExtent( dst );
var dsrcBox = ToD3DBox( srcBox );
var res = D3D9.Volume.FromVolume( surface, srcBufferResources.Volume, D3D9.Filter.Default, 0, dsrcBox, ddestBox );
if ( res.Failure )
{
surface.SafeDispose();
tmp.SafeDispose();
throw new AxiomException( "D3D9.Surface.FromVolume failed in D3D9HardwarePixelBuffer.BlitToMemory" );
}
// Lock temp surface and copy it to memory
var lbox = surface.LockBox( D3D9.LockFlags.ReadOnly ); // Filled in by D3D
// Copy it
var locked = new PixelBox( dst.Width, dst.Height, dst.Depth, tmpFormat );
FromD3DLock( locked, lbox );
PixelConverter.BulkPixelConversion( locked, dst );
surface.UnlockBox();
// Release temporary surface and texture
surface.SafeDispose();
tmp.SafeDispose();
}
}
/// <summary>
/// Called to destroy this buffer.
/// </summary>
protected override void dispose( bool disposeManagedResources )
{
if ( !IsDisposed )
{
if ( disposeManagedResources )
{
if ( data != null )
{
Memory.UnpinObject( data );
data = null;
_buffer.Data = IntPtr.Zero;
_buffer = null;
}
}
}
// If it is available, make the call to the
// base class's Dispose(Boolean) method
base.dispose( disposeManagedResources );
}
public override void EncodeToFile( Stream input, string outFileName, Codec.CodecData codecData )
{
int imageID;
// create and bind a new image
Il.ilGenImages( 1, out imageID );
Il.ilBindImage( imageID );
var buffer = new byte[input.Length];
input.Read( buffer, 0, buffer.Length );
var imgData = (ImageData)codecData;
PixelBox src;
using ( var bufHandle = BufferBase.Wrap( buffer ) )
{
src = new PixelBox( imgData.width, imgData.height, imgData.depth, imgData.format, bufHandle );
}
try
{
// Convert image from Axiom to current IL image
ILUtil.ConvertToIL( src );
}
catch ( Exception ex )
{
LogManager.Instance.Write( "IL Failed image conversion :", ex.Message );
}
// flip the image
Ilu.iluFlipImage();
// save the image to file
Il.ilSaveImage( outFileName );
var error = Il.ilGetError();
if ( error != Il.IL_NO_ERROR )
{
LogManager.Instance.Write( "IL Error, could not save file: {0} : {1}", outFileName, Ilu.iluErrorString( error ) );
}
Il.ilDeleteImages( 1, ref imageID );
}
public override object Decode(Stream input, Stream output, params object[] args)
{
ImageData data = new ImageData();
int imageID;
int format, bytesPerPixel, imageType;
// create and bind a new image
Il.ilGenImages(1, out imageID);
Il.ilBindImage(imageID);
// Put it right side up
Il.ilEnable(Il.IL_ORIGIN_SET);
Il.ilSetInteger(Il.IL_ORIGIN_MODE, Il.IL_ORIGIN_UPPER_LEFT);
// Keep DXTC(compressed) data if present
Il.ilSetInteger(Il.IL_KEEP_DXTC_DATA, Il.IL_TRUE);
// create a temp buffer and write the stream into it
byte[] buffer = new byte[input.Length];
input.Read(buffer, 0, buffer.Length);
// load the data into DevIL
Il.ilLoadL(this.ILType, buffer, buffer.Length);
// check for an error
int ilError = Il.ilGetError();
if(ilError != Il.IL_NO_ERROR) {
throw new AxiomException("Error while decoding image data: '{0}'", Ilu.iluErrorString(ilError));
}
format = Il.ilGetInteger(Il.IL_IMAGE_FORMAT);
imageType = Il.ilGetInteger(Il.IL_IMAGE_TYPE);
//bytesPerPixel = Math.Max(Il.ilGetInteger(Il.IL_IMAGE_BPC),
// Il.ilGetInteger(Il.IL_IMAGE_BYTES_PER_PIXEL));
// Convert image if ImageType is incompatible with us (double or long)
if (imageType != Il.IL_BYTE && imageType != Il.IL_UNSIGNED_BYTE &&
imageType != Il.IL_FLOAT &&
imageType != Il.IL_UNSIGNED_SHORT && imageType != Il.IL_SHORT) {
Il.ilConvertImage(format, Il.IL_FLOAT);
imageType = Il.IL_FLOAT;
}
// Converted paletted images
if (format == Il.IL_COLOUR_INDEX) {
Il.ilConvertImage(Il.IL_BGRA, Il.IL_UNSIGNED_BYTE);
format = Il.IL_BGRA;
imageType = Il.IL_UNSIGNED_BYTE;
}
bytesPerPixel = Il.ilGetInteger(Il.IL_IMAGE_BYTES_PER_PIXEL);
// populate the image data
data.format = ILUtil.ConvertFromILFormat(format, imageType);
data.width = Il.ilGetInteger(Il.IL_IMAGE_WIDTH);
data.height = Il.ilGetInteger(Il.IL_IMAGE_HEIGHT);
data.depth = Il.ilGetInteger(Il.IL_IMAGE_DEPTH);
data.numMipMaps = Il.ilGetInteger(Il.IL_NUM_MIPMAPS);
data.flags = 0;
if (data.format == PixelFormat.Unknown) {
Il.ilDeleteImages(1, ref imageID);
throw new AxiomException("Unsupported DevIL format: ImageFormat = {0:x} ImageType = {1:x}", format, imageType);
}
// Check for cubemap
// int cubeflags = Il.ilGetInteger(Il.IL_IMAGE_CUBEFLAGS);
int numFaces = Il.ilGetInteger(Il.IL_NUM_IMAGES) + 1;
if (numFaces == 6)
data.flags |= ImageFlags.CubeMap;
else
numFaces = 1; // Support only 1 or 6 face images for now
// Keep DXT data (if present at all and the GPU supports it)
int dxtFormat = Il.ilGetInteger(Il.IL_DXTC_DATA_FORMAT);
if (dxtFormat != Il.IL_DXT_NO_COMP &&
Root.Instance.RenderSystem.Caps.CheckCap(Axiom.Graphics.Capabilities.TextureCompressionDXT))
{
data.format = ILUtil.ConvertFromILFormat(dxtFormat, imageType);
data.flags |= ImageFlags.Compressed;
// Validate that this devil version saves DXT mipmaps
if (data.numMipMaps > 0)
{
Il.ilBindImage(imageID);
Il.ilActiveMipmap(1);
if (Il.ilGetInteger(Il.IL_DXTC_DATA_FORMAT) != dxtFormat)
{
data.numMipMaps = 0;
LogManager.Instance.Write("Warning: Custom mipmaps for compressed image were ignored because they are not loaded by this DevIL version");
}
}
}
// Calculate total size from number of mipmaps, faces and size
data.size = Image.CalculateSize(data.numMipMaps, numFaces,
data.width, data.height,
data.depth, data.format);
// set up buffer for the decoded data
buffer = new byte[data.size];
// Pin the buffer, so we can use our PixelBox methods on it
GCHandle bufGCHandle = new GCHandle();
bufGCHandle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
IntPtr bufPtr = bufGCHandle.AddrOfPinnedObject();
int offset = 0;
// Dimensions of current mipmap
int width = data.width;
int height = data.height;
int depth = data.depth;
// Transfer data
for (int mip=0; mip <= data.numMipMaps; ++mip)
{
for (int i = 0; i < numFaces; ++i)
{
Il.ilBindImage(imageID);
if (numFaces > 1)
Il.ilActiveImage(i);
if (data.numMipMaps > 0)
Il.ilActiveMipmap(mip);
/// Size of this face
int imageSize = PixelUtil.GetMemorySize(width, height, depth, data.format);
if ((data.flags & ImageFlags.Compressed) != 0)
{
// Compare DXT size returned by DevIL with our idea of the compressed size
if (imageSize == Il.ilGetDXTCData(IntPtr.Zero, 0, dxtFormat))
{
// Retrieve data from DevIL
byte[] tmpBuffer = new byte[imageSize];
Il.ilGetDXTCData(tmpBuffer, imageSize, dxtFormat);
// Copy the data into our output buffer
Array.Copy(tmpBuffer, 0, buffer, offset, tmpBuffer.Length);
} else {
LogManager.Instance.Write("Warning: compressed image size mismatch, devilsize={0} oursize={1}",
Il.ilGetDXTCData(IntPtr.Zero, 0, dxtFormat), imageSize);
}
}
else
{
/// Retrieve data from DevIL
PixelBox dst = new PixelBox(width, height, depth, data.format, bufPtr);
dst.Offset = offset;
ILUtil.ToAxiom(dst);
}
offset += imageSize;
}
/// Next mip
if (width != 1) width /= 2;
if (height != 1) height /= 2;
if (depth != 1) depth /= 2;
}
// Restore IL state
Il.ilDisable(Il.IL_ORIGIN_SET);
Il.ilDisable(Il.IL_FORMAT_SET);
// we won't be needing this anymore
Il.ilDeleteImages(1, ref imageID);
output.Write(buffer, 0, buffer.Length);
// Free the buffer we allocated for the conversion.
// I used bufPtr to store my data while I converted it.
// I need to free it here. This invalidates bufPtr.
// My data has already been copied to output.
if (bufGCHandle.IsAllocated)
bufGCHandle.Free();
return data;
}
public override object Decode(Stream input, Stream output, params object[] args)
{
ImageData data = new ImageData();
int imageID;
int format, bytesPerPixel, imageType;
// create and bind a new image
Il.ilGenImages(1, out imageID);
Il.ilBindImage(imageID);
// Put it right side up
Il.ilEnable(Il.IL_ORIGIN_SET);
Il.ilSetInteger(Il.IL_ORIGIN_MODE, Il.IL_ORIGIN_UPPER_LEFT);
// Keep DXTC(compressed) data if present
Il.ilSetInteger(Il.IL_KEEP_DXTC_DATA, Il.IL_TRUE);
// create a temp buffer and write the stream into it
byte[] buffer = new byte[input.Length];
input.Read(buffer, 0, buffer.Length);
// load the data into DevIL
Il.ilLoadL(this.ILType, buffer, buffer.Length);
// check for an error
int ilError = Il.ilGetError();
if (ilError != Il.IL_NO_ERROR)
{
throw new AxiomException("Error while decoding image data: '{0}'", Ilu.iluErrorString(ilError));
}
format = Il.ilGetInteger(Il.IL_IMAGE_FORMAT);
imageType = Il.ilGetInteger(Il.IL_IMAGE_TYPE);
//bytesPerPixel = Math.Max(Il.ilGetInteger(Il.IL_IMAGE_BPC),
// Il.ilGetInteger(Il.IL_IMAGE_BYTES_PER_PIXEL));
// Convert image if ImageType is incompatible with us (double or long)
if (imageType != Il.IL_BYTE && imageType != Il.IL_UNSIGNED_BYTE &&
imageType != Il.IL_FLOAT &&
imageType != Il.IL_UNSIGNED_SHORT && imageType != Il.IL_SHORT)
{
Il.ilConvertImage(format, Il.IL_FLOAT);
imageType = Il.IL_FLOAT;
}
// Converted paletted images
if (format == Il.IL_COLOUR_INDEX)
{
Il.ilConvertImage(Il.IL_BGRA, Il.IL_UNSIGNED_BYTE);
format = Il.IL_BGRA;
imageType = Il.IL_UNSIGNED_BYTE;
}
bytesPerPixel = Il.ilGetInteger(Il.IL_IMAGE_BYTES_PER_PIXEL);
// populate the image data
data.format = ILUtil.ConvertFromILFormat(format, imageType);
data.width = Il.ilGetInteger(Il.IL_IMAGE_WIDTH);
data.height = Il.ilGetInteger(Il.IL_IMAGE_HEIGHT);
data.depth = Il.ilGetInteger(Il.IL_IMAGE_DEPTH);
data.numMipMaps = Il.ilGetInteger(Il.IL_NUM_MIPMAPS);
data.flags = 0;
if (data.format == PixelFormat.Unknown)
{
Il.ilDeleteImages(1, ref imageID);
throw new AxiomException("Unsupported DevIL format: ImageFormat = {0:x} ImageType = {1:x}", format, imageType);
}
// Check for cubemap
// int cubeflags = Il.ilGetInteger(Il.IL_IMAGE_CUBEFLAGS);
int numFaces = Il.ilGetInteger(Il.IL_NUM_IMAGES) + 1;
if (numFaces == 6)
{
data.flags |= ImageFlags.CubeMap;
}
else
{
numFaces = 1; // Support only 1 or 6 face images for now
}
// Keep DXT data (if present at all and the GPU supports it)
int dxtFormat = Il.ilGetInteger(Il.IL_DXTC_DATA_FORMAT);
if (dxtFormat != Il.IL_DXT_NO_COMP &&
Root.Instance.RenderSystem.Caps.CheckCap(Axiom.Graphics.Capabilities.TextureCompressionDXT))
{
data.format = ILUtil.ConvertFromILFormat(dxtFormat, imageType);
data.flags |= ImageFlags.Compressed;
// Validate that this devil version saves DXT mipmaps
if (data.numMipMaps > 0)
{
Il.ilBindImage(imageID);
Il.ilActiveMipmap(1);
if (Il.ilGetInteger(Il.IL_DXTC_DATA_FORMAT) != dxtFormat)
{
data.numMipMaps = 0;
LogManager.Instance.Write("Warning: Custom mipmaps for compressed image were ignored because they are not loaded by this DevIL version");
}
}
}
// Calculate total size from number of mipmaps, faces and size
data.size = Image.CalculateSize(data.numMipMaps, numFaces,
data.width, data.height,
data.depth, data.format);
// set up buffer for the decoded data
buffer = new byte[data.size];
// Pin the buffer, so we can use our PixelBox methods on it
GCHandle bufGCHandle = new GCHandle();
bufGCHandle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
IntPtr bufPtr = bufGCHandle.AddrOfPinnedObject();
int offset = 0;
// Dimensions of current mipmap
int width = data.width;
int height = data.height;
int depth = data.depth;
// Transfer data
for (int mip = 0; mip <= data.numMipMaps; ++mip)
{
for (int i = 0; i < numFaces; ++i)
{
Il.ilBindImage(imageID);
if (numFaces > 1)
{
Il.ilActiveImage(i);
}
if (data.numMipMaps > 0)
{
Il.ilActiveMipmap(mip);
}
/// Size of this face
int imageSize = PixelUtil.GetMemorySize(width, height, depth, data.format);
if ((data.flags & ImageFlags.Compressed) != 0)
{
// Compare DXT size returned by DevIL with our idea of the compressed size
if (imageSize == Il.ilGetDXTCData(IntPtr.Zero, 0, dxtFormat))
{
// Retrieve data from DevIL
byte[] tmpBuffer = new byte[imageSize];
Il.ilGetDXTCData(tmpBuffer, imageSize, dxtFormat);
// Copy the data into our output buffer
Array.Copy(tmpBuffer, 0, buffer, offset, tmpBuffer.Length);
}
else
{
LogManager.Instance.Write("Warning: compressed image size mismatch, devilsize={0} oursize={1}",
Il.ilGetDXTCData(IntPtr.Zero, 0, dxtFormat), imageSize);
}
}
else
{
/// Retrieve data from DevIL
PixelBox dst = new PixelBox(width, height, depth, data.format, bufPtr);
dst.Offset = offset;
ILUtil.ToAxiom(dst);
}
offset += imageSize;
}
/// Next mip
if (width != 1)
{
width /= 2;
}
if (height != 1)
{
height /= 2;
}
if (depth != 1)
{
depth /= 2;
}
}
// Restore IL state
Il.ilDisable(Il.IL_ORIGIN_SET);
Il.ilDisable(Il.IL_FORMAT_SET);
// we won't be needing this anymore
Il.ilDeleteImages(1, ref imageID);
output.Write(buffer, 0, buffer.Length);
// Free the buffer we allocated for the conversion.
// I used bufPtr to store my data while I converted it.
// I need to free it here. This invalidates bufPtr.
// My data has already been copied to output.
if (bufGCHandle.IsAllocated)
{
bufGCHandle.Free();
}
return(data);
}
protected static void FromD3DLock( PixelBox rval, DX.DataBox lbox )
{
var bpp = PixelUtil.GetNumElemBytes( rval.Format );
var size = 0;
if ( bpp != 0 )
{
rval.RowPitch = lbox.RowPitch/bpp;
rval.SlicePitch = lbox.SlicePitch/bpp;
Debug.Assert( ( lbox.RowPitch%bpp ) == 0 );
Debug.Assert( ( lbox.SlicePitch%bpp ) == 0 );
size = lbox.RowPitch*rval.Height;
}
else if ( PixelUtil.IsCompressed( rval.Format ) )
{
rval.RowPitch = rval.Width;
rval.SlicePitch = rval.Width*rval.Height;
size = rval.Width*rval.Height;
}
else
{
throw new AxiomException( "Invalid pixel format" );
}
rval.Data = BufferBase.Wrap( lbox.DataPointer, size );
}
/// <summary>
///
/// </summary>
/// <param name="src"></param>
/// <param name="dst"></param>
public void Scale( PixelBox src, PixelBox dst )
{
int srcelemsize = PixelUtil.GetNumElemBytes( src.Format );
int dstelemsize = PixelUtil.GetNumElemBytes( dst.Format );
int dstOffset = 0;
// sx_48,sy_48,sz_48 represent current position in source
// using 16/48-bit fixed precision, incremented by steps
UInt64 stepx = ( (UInt64)src.Width << 48 ) / (UInt64)dst.Width;
UInt64 stepy = ( (UInt64)src.Height << 48 ) / (UInt64)dst.Height;
UInt64 stepz = ( (UInt64)src.Depth << 48 ) / (UInt64)dst.Depth;
// temp is 16/16 bit fixed precision, used to adjust a source
// coordinate (x, y, or z) backwards by half a pixel so that the
// integer bits represent the first sample (eg, sx1) and the
// fractional bits are the blend weight of the second sample
uint temp;
// note: ((stepz>>1) - 1) is an extra half-step increment to adjust
// for the center of the destination pixel, not the top-left corner
UInt64 sz_48 = ( stepz >> 1 ) - 1;
for ( int z = dst.Front; z < dst.Back; z++, sz_48 += stepz )
{
temp = (uint)( sz_48 >> 32 );
temp = ( temp > 0x8000 ) ? temp - 0x8000 : 0;
int sz1 = (int)( temp >> 16 );
int sz2 = System.Math.Min( sz1 + 1, src.Depth - 1 );
float szf = ( temp & 0xFFFF ) / 65536f;
UInt64 sy_48 = ( stepy >> 1 ) - 1;
for ( int y = dst.Top; y < dst.Bottom; y++, sy_48 += stepy )
{
temp = (uint)( sy_48 >> 32 );
temp = ( temp > 0x8000 ) ? temp - 0x8000 : 0;
int sy1 = (int)( temp >> 16 ); // src x #1
int sy2 = System.Math.Min( sy1 + 1, src.Height - 1 ); // src x #2
float syf = ( temp & 0xFFFF ) / 65536f; // weight of #2
UInt64 sx_48 = ( stepx >> 1 ) - 1;
for ( int x = dst.Left; x < dst.Right; x++, sx_48 += stepx )
{
temp = (uint)( sy_48 >> 32 );
temp = ( temp > 0x8000 ) ? temp - 0x8000 : 0;
int sx1 = (int)( temp >> 16 ); // src x #1
int sx2 = System.Math.Min( sx1 + 1, src.Width - 1 ); // src x #2
float sxf = ( temp & 0xFFFF ) / 65536f; // weight of #2
ColorEx x1y1z1 = ColorEx.White, x2y1z1 = ColorEx.White, x1y2z1 = ColorEx.White, x2y2z1 = ColorEx.White;
ColorEx x1y1z2 = ColorEx.White, x2y1z2 = ColorEx.White, x1y2z2 = ColorEx.White, x2y2z2 = ColorEx.White;
Unpack( ref x1y1z1, sx1, sy1, sz1, src.Format, src.Data, src, srcelemsize );
Unpack( ref x2y1z1, sx2, sy1, sz1, src.Format, src.Data, src, srcelemsize );
Unpack( ref x1y2z1, sx1, sy2, sz1, src.Format, src.Data, src, srcelemsize );
Unpack( ref x2y2z1, sx2, sy2, sz1, src.Format, src.Data, src, srcelemsize );
Unpack( ref x1y1z2, sx1, sy1, sz2, src.Format, src.Data, src, srcelemsize );
Unpack( ref x2y1z2, sx2, sy1, sz2, src.Format, src.Data, src, srcelemsize );
Unpack( ref x1y2z2, sx1, sy2, sz2, src.Format, src.Data, src, srcelemsize );
Unpack( ref x2y2z2, sx2, sy2, sz2, src.Format, src.Data, src, srcelemsize );
ColorEx accum =
x1y1z1 * ( ( 1.0f - sxf ) * ( 1.0f - syf ) * ( 1.0f - szf ) ) +
x2y1z1 * ( sxf * ( 1.0f - syf ) * ( 1.0f - szf ) ) +
x1y2z1 * ( ( 1.0f - sxf ) * syf * ( 1.0f - szf ) ) +
x2y2z1 * ( sxf * syf * ( 1.0f - szf ) ) +
x1y1z2 * ( ( 1.0f - sxf ) * ( 1.0f - syf ) * szf ) +
x2y1z2 * ( sxf * ( 1.0f - syf ) * szf ) +
x1y2z2 * ( ( 1.0f - sxf ) * syf * szf ) +
x2y2z2 * ( sxf * syf * szf );
PixelConverter.PackColor( accum, dst.Format, new IntPtr( dst.Data.ToInt32() + dstOffset ) );
dstOffset += dstelemsize;
}
dstOffset += dstelemsize * dst.RowSkip;
}
dstOffset += dstelemsize * dst.SliceSkip;
}
}
protected static D3D9.Box ToD3DBoxExtent( PixelBox lockBox )
{
var pbox = new D3D9.Box();
pbox.Left = 0;
pbox.Right = lockBox.Width;
pbox.Top = 0;
pbox.Bottom = lockBox.Height;
pbox.Front = 0;
pbox.Back = lockBox.Depth;
return pbox;
}
/// <summary>
/// </summary>
/// <param name="pb"> </param>
/// <param name="buffer"> </param>
public override void CopyContentsToMemory( PixelBox pb, RenderTarget.FrameBuffer buffer )
{
throw new NotImplementedException();
}
public override void BlitFromMemory( PixelBox src, BasicBox dstBox )
{
//Entering critical section
LockDeviceAccess();
foreach ( var it in this.mapDeviceToBufferResources )
{
BlitFromMemory( src, dstBox, it.Value );
}
//Leaving critical section
UnlockDeviceAccess();
}
public void WriteContentsToFile(string fileName)
{
var pf = SuggestPixelFormat();
var data = new byte[Width * Height * PixelUtil.GetNumElemBytes(pf)];
var bufGcHandle = GCHandle.Alloc(data, GCHandleType.Pinned);
var pb = new PixelBox(Width, Height, 1, pf, bufGcHandle.AddrOfPinnedObject());
CopyContentsToMemory(pb);
(new Image()).FromDynamicImage(data, Width, Height, 1, pf, false, 1, 0).Save(fileName);
if (bufGcHandle.IsAllocated)
bufGcHandle.Free();
}
public override void BlitToMemory( BasicBox srcBox, PixelBox dst )
{
//Entering critical section
LockDeviceAccess();
var pair = this.mapDeviceToBufferResources.First();
BlitToMemory( srcBox, dst, pair.Value, pair.Key );
//Leaving critical section
UnlockDeviceAccess();
}
/// <summary>
/// </summary>
/// <param name="src"> </param>
/// <param name="dst"> </param>
public void Scale(PixelBox src, PixelBox dst)
{
var srcelemsize = PixelUtil.GetNumElemBytes(src.Format);
var dstelemsize = PixelUtil.GetNumElemBytes(dst.Format);
var dstOffset = 0;
// sx_48,sy_48,sz_48 represent current position in source
// using 16/48-bit fixed precision, incremented by steps
var stepx = ((UInt64)src.Width << 48) / (UInt64)dst.Width;
var stepy = ((UInt64)src.Height << 48) / (UInt64)dst.Height;
var stepz = ((UInt64)src.Depth << 48) / (UInt64)dst.Depth;
// temp is 16/16 bit fixed precision, used to adjust a source
// coordinate (x, y, or z) backwards by half a pixel so that the
// integer bits represent the first sample (eg, sx1) and the
// fractional bits are the blend weight of the second sample
uint temp;
// note: ((stepz>>1) - 1) is an extra half-step increment to adjust
// for the center of the destination pixel, not the top-left corner
var sz_48 = (stepz >> 1) - 1;
for (var z = dst.Front; z < dst.Back; z++, sz_48 += stepz)
{
temp = (uint)(sz_48 >> 32);
temp = (temp > 0x8000) ? temp - 0x8000 : 0;
var sz1 = (int)(temp >> 16);
var sz2 = System.Math.Min(sz1 + 1, src.Depth - 1);
var szf = (temp & 0xFFFF) / 65536f;
var sy_48 = (stepy >> 1) - 1;
for (var y = dst.Top; y < dst.Bottom; y++, sy_48 += stepy)
{
temp = (uint)(sy_48 >> 32);
temp = (temp > 0x8000) ? temp - 0x8000 : 0;
var sy1 = (int)(temp >> 16); // src x #1
var sy2 = System.Math.Min(sy1 + 1, src.Height - 1); // src x #2
var syf = (temp & 0xFFFF) / 65536f; // weight of #2
var sx_48 = (stepx >> 1) - 1;
for (var x = dst.Left; x < dst.Right; x++, sx_48 += stepx)
{
temp = (uint)(sy_48 >> 32);
temp = (temp > 0x8000) ? temp - 0x8000 : 0;
var sx1 = (int)(temp >> 16); // src x #1
var sx2 = System.Math.Min(sx1 + 1, src.Width - 1); // src x #2
var sxf = (temp & 0xFFFF) / 65536f; // weight of #2
ColorEx x1y1z1 = ColorEx.White, x2y1z1 = ColorEx.White, x1y2z1 = ColorEx.White, x2y2z1 = ColorEx.White;
ColorEx x1y1z2 = ColorEx.White, x2y1z2 = ColorEx.White, x1y2z2 = ColorEx.White, x2y2z2 = ColorEx.White;
Unpack(ref x1y1z1, sx1, sy1, sz1, src.Format, src.Data, src, srcelemsize);
Unpack(ref x2y1z1, sx2, sy1, sz1, src.Format, src.Data, src, srcelemsize);
Unpack(ref x1y2z1, sx1, sy2, sz1, src.Format, src.Data, src, srcelemsize);
Unpack(ref x2y2z1, sx2, sy2, sz1, src.Format, src.Data, src, srcelemsize);
Unpack(ref x1y1z2, sx1, sy1, sz2, src.Format, src.Data, src, srcelemsize);
Unpack(ref x2y1z2, sx2, sy1, sz2, src.Format, src.Data, src, srcelemsize);
Unpack(ref x1y2z2, sx1, sy2, sz2, src.Format, src.Data, src, srcelemsize);
Unpack(ref x2y2z2, sx2, sy2, sz2, src.Format, src.Data, src, srcelemsize);
var accum = x1y1z1 * ((1.0f - sxf) * (1.0f - syf) * (1.0f - szf)) + x2y1z1 * (sxf * (1.0f - syf) * (1.0f - szf)) +
x1y2z1 * ((1.0f - sxf) * syf * (1.0f - szf)) + x2y2z1 * (sxf * syf * (1.0f - szf)) +
x1y1z2 * ((1.0f - sxf) * (1.0f - syf) * szf) + x2y1z2 * (sxf * (1.0f - syf) * szf) +
x1y2z2 * ((1.0f - sxf) * syf * szf) + x2y2z2 * (sxf * syf * szf);
PixelConverter.PackColor(accum, dst.Format, dst.Data + dstOffset);
dstOffset += dstelemsize;
}
dstOffset += dstelemsize * dst.RowSkip;
}
dstOffset += dstelemsize * dst.SliceSkip;
}
}
/// <summary>
/// Save our texture to a stream
/// </summary>
/// <param name="stream"></param>
/// <param name="requestedFormat"></param>
public override void Save(System.IO.Stream stream, PixelFormat requestedFormat)
{
// First try to see if we can use the fast method to save this image.
// TODO: I should be able to make the common path closer to this in performance ([email protected])
if (pixelBuffer.Format == PixelFormat.A8R8G8B8) {
if (requestedFormat == PixelFormat.A8B8G8R8 || requestedFormat == PixelFormat.B8G8R8) {
SimpleSave(stream, requestedFormat);
return;
}
}
int bufSize = PixelUtil.GetMemorySize(pixelBuffer.Width, pixelBuffer.Height, pixelBuffer.Depth, requestedFormat);
byte[] buffer = new byte[bufSize];
// Pin down the byte array
GCHandle handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
IntPtr address = handle.AddrOfPinnedObject();
PixelBox box =
new PixelBox(pixelBuffer.Width, pixelBuffer.Height, pixelBuffer.Depth, requestedFormat, address);
pixelBuffer.BlitToMemory(box);
handle.Free();
// I need to flip this image, since it was upside down in the
// internal buffers. I could do this in the save pass, which
// would make this more efficient, but I don't currently think
// that efficiency is that important.
Image image = Image.FromDynamicImage(buffer, pixelBuffer.Width, pixelBuffer.Height,
pixelBuffer.Depth, requestedFormat);
image.FlipAroundX();
// Ok, now the data in buffer has been flipped.
// Go ahead and discard the image
image.Dispose();
// write the data to the stream provided
stream.Write(buffer, 0, bufSize);
}
///<summary>
/// Convert pixels from one format to another. No dithering or filtering is being done. Converting
/// from RGB to luminance takes the R channel.
///</summary>
///<param name="src">PixelBox containing the source pixels, pitches and format</param>
///<param name="dst">PixelBox containing the destination pixels, pitches and format</param>
///<remarks>
/// The source and destination boxes must have the same
/// dimensions. In case the source and destination format match, a plain copy is done.
///</remarks>
public static void BulkPixelConversion(PixelBox src, PixelBox dst)
{
Debug.Assert(src.Width == dst.Width && src.Height == dst.Height && src.Depth == dst.Depth);
// Check for compressed formats, we don't support decompression, compression or recoding
if (PixelBox.Compressed(src.Format) || PixelBox.Compressed(dst.Format))
{
if (src.Format == dst.Format)
{
CopyBytes(dst.Data, dst.Offset, src.Data, src.Offset, src.ConsecutiveSize);
return;
}
else
{
throw new Exception("This method can not be used to compress or decompress images, in PixelBox.BulkPixelConversion");
}
}
// The easy case
if (src.Format == dst.Format)
{
// Everything consecutive?
if (src.Consecutive && dst.Consecutive)
{
CopyBytes(dst.Data, dst.Offset, src.Data, src.Offset, src.ConsecutiveSize);
return;
}
unsafe {
byte *srcBytes = (byte *)src.Data.ToPointer();
byte *dstBytes = (byte *)dst.Data.ToPointer();
byte *srcptr = srcBytes + src.Offset;
byte *dstptr = dstBytes + dst.Offset;
int srcPixelSize = PixelUtil.GetNumElemBytes(src.Format);
int dstPixelSize = PixelUtil.GetNumElemBytes(dst.Format);
// Calculate pitches+skips in bytes
int srcRowPitchBytes = src.RowPitch * srcPixelSize;
//int srcRowSkipBytes = src.RowSkip * srcPixelSize;
int srcSliceSkipBytes = src.SliceSkip * srcPixelSize;
int dstRowPitchBytes = dst.RowPitch * dstPixelSize;
//int dstRowSkipBytes = dst.RowSkip * dstPixelSize;
int dstSliceSkipBytes = dst.SliceSkip * dstPixelSize;
// Otherwise, copy per row
int rowSize = src.Width * srcPixelSize;
for (int z = src.Front; z < src.Back; z++)
{
for (int y = src.Top; y < src.Bottom; y++)
{
byte *s = srcptr;
byte *d = dstptr;
for (int i = 0; i < rowSize; i++)
{
*d++ = *s++;
}
srcptr += srcRowPitchBytes;
dstptr += dstRowPitchBytes;
}
srcptr += srcSliceSkipBytes;
dstptr += dstSliceSkipBytes;
}
}
return;
}
if (PixelConversionLoops.DoOptimizedConversion(src, dst))
{
// If so, good
return;
}
unsafe {
byte *srcBytes = (byte *)src.Data.ToPointer();
byte *dstBytes = (byte *)dst.Data.ToPointer();
byte *srcptr = srcBytes + src.Offset;
byte *dstptr = dstBytes + dst.Offset;
int srcPixelSize = PixelUtil.GetNumElemBytes(src.Format);
int dstPixelSize = PixelUtil.GetNumElemBytes(dst.Format);
// Calculate pitches+skips in bytes
int srcRowSkipBytes = src.RowSkip * srcPixelSize;
int srcSliceSkipBytes = src.SliceSkip * srcPixelSize;
int dstRowSkipBytes = dst.RowSkip * dstPixelSize;
int dstSliceSkipBytes = dst.SliceSkip * dstPixelSize;
// The brute force fallback
float r, g, b, a;
for (int z = src.Front; z < src.Back; z++)
{
for (int y = src.Top; y < src.Bottom; y++)
{
for (int x = src.Left; x < src.Right; x++)
{
UnpackColor(out r, out g, out b, out a, src.Format, srcptr);
PackColor(r, g, b, a, dst.Format, dstptr);
srcptr += srcPixelSize;
dstptr += dstPixelSize;
}
srcptr += srcRowSkipBytes;
dstptr += dstRowSkipBytes;
}
srcptr += srcSliceSkipBytes;
dstptr += dstSliceSkipBytes;
}
}
}
public override Codec.DecodeResult Decode( Stream input )
{
var imgData = new ImageData();
var output = new MemoryStream();
int imageID;
int imageFormat, bytesPerPixel;
// create and bind a new image
Il.ilGenImages( 1, out imageID );
Il.ilBindImage( imageID );
// create a temp buffer and write the stream into it
var buffer = new byte[input.Length];
input.Read( buffer, 0, buffer.Length );
// Put it right side up
Il.ilEnable( Il.IL_ORIGIN_SET );
Il.ilSetInteger( Il.IL_ORIGIN_MODE, Il.IL_ORIGIN_UPPER_LEFT );
// Keep DXTC(compressed) data if present
Il.ilSetInteger( Il.IL_KEEP_DXTC_DATA, Il.IL_TRUE );
// load the data into DevIL
Il.ilLoadL( this._ilType, buffer, buffer.Length );
// check for an error
var ilError = Il.ilGetError();
if ( ilError != Il.IL_NO_ERROR )
{
throw new AxiomException( "Error while decoding image data: '{0}'", Ilu.iluErrorString( ilError ) );
}
imageFormat = Il.ilGetInteger( Il.IL_IMAGE_FORMAT );
var imageType = Il.ilGetInteger( Il.IL_IMAGE_TYPE );
// Convert image if imageType is incompatible with us (double or long)
if ( imageType != Il.IL_BYTE && imageType != Il.IL_UNSIGNED_BYTE && imageType != Il.IL_FLOAT &&
imageType != Il.IL_UNSIGNED_SHORT && imageType != Il.IL_SHORT )
{
Il.ilConvertImage( imageFormat, Il.IL_FLOAT );
imageType = Il.IL_FLOAT;
}
// Converted paletted images
if ( imageFormat == Il.IL_COLOR_INDEX )
{
Il.ilConvertImage( Il.IL_BGRA, Il.IL_UNSIGNED_BYTE );
imageFormat = Il.IL_BGRA;
imageType = Il.IL_UNSIGNED_BYTE;
}
// populate the image data
bytesPerPixel = Il.ilGetInteger( Il.IL_IMAGE_BYTES_PER_PIXEL );
imgData.format = ILUtil.Convert( imageFormat, imageType );
imgData.width = Il.ilGetInteger( Il.IL_IMAGE_WIDTH );
imgData.height = Il.ilGetInteger( Il.IL_IMAGE_HEIGHT );
imgData.depth = Il.ilGetInteger( Il.IL_IMAGE_DEPTH );
imgData.numMipMaps = Il.ilGetInteger( Il.IL_NUM_MIPMAPS );
if ( imgData.format == PixelFormat.Unknown )
{
throw new AxiomException( "Unsupported devil format ImageFormat={0} ImageType={1}", imageFormat, imageType );
}
// Check for cubemap
var numFaces = Il.ilGetInteger( Il.IL_NUM_IMAGES ) + 1;
if ( numFaces == 6 )
{
imgData.flags |= ImageFlags.CubeMap;
}
else
{
numFaces = 1; // Support only 1 or 6 face images for now
}
// Keep DXT data (if present at all and the GPU supports it)
var dxtFormat = Il.ilGetInteger( Il.IL_DXTC_DATA_FORMAT );
if ( dxtFormat != Il.IL_DXT_NO_COMP &&
Root.Instance.RenderSystem.Capabilities.HasCapability( Axiom.Graphics.Capabilities.TextureCompressionDXT ) )
{
imgData.format = ILUtil.Convert( dxtFormat, imageType );
imgData.flags |= ImageFlags.Compressed;
// Validate that this devil version loads DXT mipmaps
if ( imgData.numMipMaps > 0 )
{
Il.ilBindImage( imageID );
Il.ilActiveMipmap( 1 );
if ( (uint)Il.ilGetInteger( Il.IL_DXTC_DATA_FORMAT ) != dxtFormat )
{
imgData.numMipMaps = 0;
LogManager.Instance.Write(
"Warning: Custom mipmaps for compressed image were ignored because they are not loaded by this DevIL version." );
}
}
}
// Calculate total size from number of mipmaps, faces and size
imgData.size = Image.CalculateSize( imgData.numMipMaps, numFaces, imgData.width, imgData.height, imgData.depth,
imgData.format );
// get the decoded data
BufferBase BufferHandle;
// Dimensions of current mipmap
var width = imgData.width;
var height = imgData.height;
var depth = imgData.depth;
// Transfer data
for ( var mip = 0; mip <= imgData.numMipMaps; ++mip )
{
for ( var i = 0; i < numFaces; ++i )
{
Il.ilBindImage( imageID );
if ( numFaces > 1 )
{
Il.ilActiveImage( i );
}
if ( imgData.numMipMaps > 0 )
{
Il.ilActiveMipmap( mip );
}
// Size of this face
var imageSize = PixelUtil.GetMemorySize( width, height, depth, imgData.format );
buffer = new byte[imageSize];
if ( ( imgData.flags & ImageFlags.Compressed ) != 0 )
{
// Compare DXT size returned by DevIL with our idea of the compressed size
if ( imageSize == Il.ilGetDXTCData( IntPtr.Zero, 0, dxtFormat ) )
{
// Retrieve data from DevIL
using ( BufferHandle = BufferBase.Wrap( buffer ) )
{
Il.ilGetDXTCData( BufferHandle.Pin(), imageSize, dxtFormat );
BufferHandle.UnPin();
}
}
else
{
LogManager.Instance.Write( "Warning: compressed image size mismatch, devilsize={0} oursize={1}",
Il.ilGetDXTCData( IntPtr.Zero, 0, dxtFormat ), imageSize );
}
}
else
{
// Retrieve data from DevIL
using ( BufferHandle = BufferBase.Wrap( buffer ) )
{
var dst = new PixelBox( width, height, depth, imgData.format, BufferHandle );
ILUtil.ConvertFromIL( dst );
}
}
// write the decoded data to the output stream
output.Write( buffer, 0, buffer.Length );
}
// Next mip
if ( width != 1 )
{
width /= 2;
}
if ( height != 1 )
{
height /= 2;
}
if ( depth != 1 )
{
depth /= 2;
}
}
// Restore IL state
Il.ilDisable( Il.IL_ORIGIN_SET );
Il.ilDisable( Il.IL_FORMAT_SET );
Il.ilDeleteImages( 1, ref imageID );
return new DecodeResult( output, imgData );
}
void Unpack( ref ColorEx dst, int x, int y, int z, PixelFormat format, IntPtr src, PixelBox srcbox, int elemsize )
{
unsafe
{
byte* pSrc = (byte*)src;
IntPtr data = (IntPtr)( pSrc + elemsize * ( ( x ) + ( y ) * srcbox.RowPitch + ( z ) * srcbox.SlicePitch ) );
dst = PixelConverter.UnpackColor( format, data );
}
}
