/* i_width x i_heightのテクスチャを格納するインスタンスを生成します。
*
*/
public NyARD3dSurface(Microsoft.DirectX.Direct3D.Device i_dev, int i_width, int i_height)
{
this.m_ref_dev = i_dev;
this.m_height = i_height;
this.m_width = i_width;
this._surface = i_dev.CreateOffscreenPlainSurface(i_width, i_height, Format.X8R8G8B8, Pool.Default);
//OK、完成だ。
return;
}
private void InitializeDXDevice()
{
//initialize DirectX device where GlobalVariables.SelectedDisplay 0 is a main monitor or eg. 1 is a second monitor
int adapterOrdinal = Manager.Adapters[GlobalVariables.SelectedDisplay].Adapter;
Caps caps = Manager.GetDeviceCaps(adapterOrdinal, DeviceType.Hardware);
CreateFlags createFlags;
if (caps.DeviceCaps.SupportsHardwareTransformAndLight)
{
createFlags = CreateFlags.HardwareVertexProcessing;
}
else
{
createFlags = CreateFlags.SoftwareVertexProcessing;
}
if (caps.DeviceCaps.SupportsPureDevice && createFlags ==
CreateFlags.HardwareVertexProcessing)
{
createFlags |= CreateFlags.PureDevice;
}
presentParams = new PresentParameters();
presentParams.Windowed = true;
//presentParams.SwapEffect = SwapEffect.Discard;
presentParams.SwapEffect = SwapEffect.Discard;
presentParams.PresentationInterval = PresentInterval.One;
presentParams.PresentFlag = PresentFlag.None;
presentParams.MultiSample = MultiSampleType.None;
//presentParams.DeviceWindowHandle = GetDesktopWindow().Handle;
//presentParams.DeviceWindow = User32.GetDesktopWindow();
device = new Device(adapterOrdinal, DeviceType.Hardware, User32.GetDesktopWindow(), createFlags, presentParams);
s = device.CreateOffscreenPlainSurface(device.DisplayMode.Width, device.DisplayMode.Height, Format.A8R8G8B8, Pool.SystemMemory);
// b = new Bitmap(SurfaceLoader.SaveToStream(ImageFileFormat.Bmp, s));
label36.Text = device.DisplayMode.Width + "x" + device.DisplayMode.Height + "x" + device.DisplayMode.Format + "@" + device.DisplayMode.RefreshRate + "Hz";
}
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();
}
}
/// <summary>
/// Saves the window contents to a stream.
/// </summary>
/// <param name="stream">Stream to write the window contents to.</param>
public override void Save(Stream stream, PixelFormat requestedFormat)
{
D3D.Device device = driver.Device;
DisplayMode mode = device.DisplayMode;
SurfaceDescription desc = new SurfaceDescription();
desc.Width = mode.Width;
desc.Height = mode.Height;
desc.Format = Format.A8R8G8B8;
// create a temp surface which will hold the screen image
Surface surface = device.CreateOffscreenPlainSurface(
mode.Width, mode.Height, Format.A8R8G8B8, Pool.SystemMemory);
// get the entire front buffer. This is SLOW!!
device.GetFrontBufferData(0, surface);
// if not fullscreen, the front buffer contains the entire desktop image. we need to grab only the portion
// that contains our render window
if (!IsFullScreen)
{
// whatever our target control is, we need to walk up the chain and find the parent form
Form form = windowHandle.FindForm();
// get the actual screen location of the form
System.Drawing.Rectangle rect = form.RectangleToScreen(form.ClientRectangle);
desc.Width = width;
desc.Height = height;
desc.Format = Format.A8R8G8B8;
// create a temp surface that is sized the same as our target control
Surface tmpSurface = device.CreateOffscreenPlainSurface(rect.Width, rect.Height, Format.A8R8G8B8, Pool.Default);
// copy the data from the front buffer to the window sized surface
device.UpdateSurface(surface, rect, tmpSurface);
// dispose of the prior surface
surface.Dispose();
surface = tmpSurface;
}
int pitch;
// lock the surface to grab the data
GraphicsStream graphStream = surface.LockRectangle(LockFlags.ReadOnly | LockFlags.NoSystemLock, out pitch);
// create an RGB buffer
byte[] buffer = new byte[width * height * 3];
int offset = 0, line = 0, count = 0;
// gotta copy that data manually since it is in another format (sheesh!)
unsafe {
byte *data = (byte *)graphStream.InternalData;
for (int y = 0; y < desc.Height; y++)
{
line = y * pitch;
for (int x = 0; x < desc.Width; x++)
{
offset = x * 4;
int pixel = line + offset;
// Actual format is BRGA for some reason
buffer[count++] = data[pixel + 2];
buffer[count++] = data[pixel + 1];
buffer[count++] = data[pixel + 0];
}
}
}
surface.UnlockRectangle();
// dispose of the surface
surface.Dispose();
// gotta flip the image real fast
Image image = Image.FromDynamicImage(buffer, width, height, PixelFormat.R8G8B8);
image.FlipAroundX();
// write the data to the stream provided
stream.Write(image.Data, 0, image.Data.Length);
}
