public static void CopyToVolume(OpsContext context, VolumeTexture newTexture, string srcArg, Filter filter)
{
if (srcArg == null || srcArg.Length == 0)
{
return;
}
ArrayList srcList = context.FindTextures(srcArg);
if (srcList == null || srcList.Count == 0)
{
throw new OpsException("Could not find source texture: " + srcArg);
}
if (((OpsTexture)srcList[0]).Texture is VolumeTexture)
{
VolumeLoader.FromVolume(newTexture.GetVolumeLevel(0), ((VolumeTexture)((OpsTexture)srcList[0]).Texture).GetVolumeLevel(0), filter, 0);
}
else
{
for (int i = 0; i < srcList.Count; i++)
{
OpsTexture src = srcList[i] as OpsTexture;
if (!(src.Texture is Texture))
{
throw new OpsException("Source texture pattern is not 1 volume texture or all 2D textures: " + srcArg);
}
OpsTextureHelper.LoadVolumeSliceFromSurface(newTexture, 0, i, filter, ((Texture)src.Texture).GetSurfaceLevel(0));
}
}
newTexture.GenerateMipSubLevels();
}
public static VolumeTexture CloneVolume(VolumeTexture oldTexture, int width, int height, int depth, int mips, Format format, Usage usage, Filter filter, Pool pool)
{
VolumeTexture newTexture = new VolumeTexture(oldTexture.Device, width, height, depth, mips, usage, format, pool);
VolumeLoader.FromVolume(newTexture.GetVolumeLevel(0), oldTexture.GetVolumeLevel(0), filter, 0);
return(newTexture);
}
///<summary>
/// @copydoc HardwarePixelBuffer.Blit
///</summary>
public override void Blit(HardwarePixelBuffer _src, BasicBox srcBox, BasicBox dstBox)
{
D3DHardwarePixelBuffer src = (D3DHardwarePixelBuffer)_src;
if (surface != null && src.surface != null)
{
// Surface-to-surface
Rectangle dsrcRect = ToD3DRectangle(srcBox);
Rectangle ddestRect = ToD3DRectangle(dstBox);
// D3DXLoadSurfaceFromSurface
SurfaceLoader.FromSurface(surface, ddestRect, src.surface, dsrcRect, Filter.None, 0);
}
else if (volume != null && src.volume != null)
{
// Volume-to-volume
Box dsrcBox = ToD3DBox(srcBox);
Box ddestBox = ToD3DBox(dstBox);
// D3DXLoadVolumeFromVolume
VolumeLoader.FromVolume(volume, ddestBox, src.volume, dsrcBox, Filter.None, 0);
}
else
{
// Software fallback
base.Blit(_src, srcBox, dstBox);
}
}
///<summary>
/// @copydoc HardwarePixelBuffer.BlitToMemory
///</summary>
public override void BlitToMemory(BasicBox srcBox, PixelBox dst)
{
// Decide on pixel format of temp surface
PixelFormat tmpFormat = format;
if (D3DHelper.ConvertEnum(dst.Format) == D3D.Format.Unknown)
{
tmpFormat = dst.Format;
}
if (surface != null)
{
Debug.Assert(srcBox.Depth == 1 && dst.Depth == 1);
// Create temp texture
D3D.Texture tmp =
new D3D.Texture(device, dst.Width, dst.Height,
1, // 1 mip level ie topmost, generate no mipmaps
0, D3DHelper.ConvertEnum(tmpFormat),
Pool.Scratch);
D3D.Surface subSurface = tmp.GetSurfaceLevel(0);
// Copy texture to this temp surface
Rectangle destRect, srcRect;
srcRect = ToD3DRectangle(srcBox);
destRect = ToD3DRectangleExtent(dst);
SurfaceLoader.FromSurface(subSurface, destRect, surface, srcRect, Filter.None, 0);
// Lock temp surface and copy it to memory
int pitch; // Filled in by D3D
GraphicsStream data = subSurface.LockRectangle(D3D.LockFlags.ReadOnly, out pitch);
// Copy it
PixelBox locked = new PixelBox(dst.Width, dst.Height, dst.Depth, tmpFormat);
FromD3DLock(locked, pitch, data);
PixelUtil.BulkPixelConversion(locked, dst);
subSurface.UnlockRectangle();
// Release temporary surface and texture
subSurface.Dispose();
tmp.Dispose();
}
else
{
// Create temp texture
D3D.VolumeTexture tmp =
new D3D.VolumeTexture(device, dst.Width, dst.Height, dst.Depth,
0, D3D.Usage.None,
D3DHelper.ConvertEnum(tmpFormat),
Pool.Scratch);
D3D.Volume subVolume = tmp.GetVolumeLevel(0);
// Volume
D3D.Box ddestBox = ToD3DBoxExtent(dst);
D3D.Box dsrcBox = ToD3DBox(srcBox);
VolumeLoader.FromVolume(subVolume, ddestBox, volume, dsrcBox, Filter.None, 0);
// Lock temp surface and copy it to memory
D3D.LockedBox lbox; // Filled in by D3D
GraphicsStream data = subVolume.LockBox(LockFlags.ReadOnly, out lbox);
// Copy it
PixelBox locked = new PixelBox(dst.Width, dst.Height, dst.Depth, tmpFormat);
FromD3DLock(locked, lbox, data);
PixelUtil.BulkPixelConversion(locked, dst);
subVolume.UnlockBox();
// Release temporary surface and texture
subVolume.Dispose();
tmp.Dispose();
}
}
protected void BlitFromMemoryImpl(PixelBox src, BasicBox dstBox)
{
// TODO: This currently does way too many copies. We copy
// from src to a converted buffer (if needed), then from
// converted to a byte array, then into the temporary surface,
// and finally from the temporary surface to the real surface.
PixelBox converted = src;
IntPtr bufPtr = IntPtr.Zero;
GCHandle bufGCHandle = new GCHandle();
// convert to pixelbuffer's native format if necessary
if (D3DHelper.ConvertEnum(src.Format) == D3D.Format.Unknown)
{
int bufSize = PixelUtil.GetMemorySize(src.Width, src.Height, src.Depth, format);
byte[] newBuffer = new byte[bufSize];
bufGCHandle = GCHandle.Alloc(newBuffer, GCHandleType.Pinned);
bufPtr = bufGCHandle.AddrOfPinnedObject();
converted = new PixelBox(src.Width, src.Height, src.Depth, format, bufPtr);
PixelUtil.BulkPixelConversion(src, converted);
}
// int formatBytes = PixelUtil.GetNumElemBytes(converted.Format);
Surface tmpSurface = device.CreateOffscreenPlainSurface(converted.Width, converted.Height, D3DHelper.ConvertEnum(converted.Format), Pool.Scratch);
int pitch;
// Ideally I would be using the Array mechanism here, but that doesn't seem to work
GraphicsStream buf = tmpSurface.LockRectangle(LockFlags.NoSystemLock, out pitch);
buf.Position = 0;
unsafe {
int bufSize = PixelUtil.GetMemorySize(converted.Width, converted.Height, converted.Depth, converted.Format);
byte * srcPtr = (byte *)converted.Data.ToPointer();
byte[] ugh = new byte[bufSize];
for (int i = 0; i < bufSize; ++i)
{
ugh[i] = srcPtr[i];
}
buf.Write(ugh);
}
tmpSurface.UnlockRectangle();
buf.Dispose();
//ImageInformation imageInfo = new ImageInformation();
//imageInfo.Format = D3DHelper.ConvertEnum(converted.Format);
//imageInfo.Width = converted.Width;
//imageInfo.Height = converted.Height;
//imageInfo.Depth = converted.Depth;
if (surface != null)
{
// I'm trying to write to surface using the data in converted
Rectangle srcRect = ToD3DRectangleExtent(converted);
Rectangle destRect = ToD3DRectangle(dstBox);
SurfaceLoader.FromSurface(surface, destRect, tmpSurface, srcRect, Filter.None, 0);
}
else
{
D3D.Box srcBox = ToD3DBoxExtent(converted);
D3D.Box destBox = ToD3DBox(dstBox);
Debug.Assert(false, "Volume textures not yet supported");
// VolumeLoader.FromStream(volume, destBox, converted.Data, converted.RowPitch * converted.SlicePitch * formatBytes, srcBox, Filter.None, 0);
VolumeLoader.FromStream(volume, destBox, buf, srcBox, Filter.None, 0);
}
tmpSurface.Dispose();
// If we allocated a buffer for the temporary conversion, free it here
// If I used bufPtr to store my temporary data while I converted
// it, I need to free it here. This invalidates converted.
// My data has already been copied to tmpSurface and then to the
// real surface.
if (bufGCHandle.IsAllocated)
{
bufGCHandle.Free();
}
if (doMipmapGen)
{
GenMipmaps();
}
}
