private void _initializeGraphics()
{
Console.Write("Initializing graphic device... ");
var desc = new SwapChainDescription() {
BufferCount = 1,
ModeDescription = new ModeDescription(
_appConfiguration.Width,
_appConfiguration.Height,
new Rational(60, 1),
Format.R8G8B8A8_UNorm),
IsWindowed = !_appConfiguration.FullScreen,
OutputHandle = DisplayHandle,
SampleDescription = new SampleDescription(1, 0),
SwapEffect = SwapEffect.Discard,
Usage = Usage.RenderTargetOutput
};
Device1.CreateWithSwapChain(
DriverType.Hardware,
#if DEBUG
DeviceCreationFlags.BgraSupport | DeviceCreationFlags.Debug | DeviceCreationFlags.SingleThreaded,
#else
DeviceCreationFlags.BgraSupport,
#endif
desc,
out _device,
out _swapChain);
if (_device == null)
throw new SharpDXException("Failed to initialize graphics device.");
if (_swapChain == null)
throw new SharpDXException("Failed to initialize swap chain.");
ToDispose<Device1>(_device);
ToDispose<SwapChain>(_swapChain);
Factory2D = ToDispose<Factory2D>(new Factory2D());
_factoryDXGI = ToDispose<FactoryDXGI>(_swapChain.GetParent<FactoryDXGI>());
_factoryDXGI.MakeWindowAssociation(DisplayHandle, WindowAssociationFlags.IgnoreAll);
_backBuffer = ToDispose<Texture2D>(Texture2D.FromSwapChain<Texture2D>(_swapChain, 0));
_backBufferRenderTargetView = ToDispose<RenderTargetView>(new RenderTargetView(_device, _backBuffer));
Viewport = new Viewport(0, 0, _appConfiguration.Width, _appConfiguration.Height);
using (var surface = _backBuffer.QueryInterface<Surface>()) {
RenderTarget2D = ToDispose<RenderTarget>(
new RenderTarget(Factory2D,
surface,
new RenderTargetProperties(
new PixelFormat(
Format.Unknown,
AlphaMode.Premultiplied))));
}
RenderTarget2D.AntialiasMode = AntialiasMode.PerPrimitive;
_vsync = Config.VSync;
ScreenSize = new DrawingSizeF(Viewport.Width, Viewport.Height);
Console.WriteLine("done.");
}
private void HandleClientSizeChanged(object sender, EventArgs e)
{
// reconfigure the direct3d rendering surface
_Device.OutputMerger.SetTargets((RenderTargetView)null);
if(_RenderView != null)
{
_RenderView.Dispose();
}
_SwapChain.ResizeBuffers(
1,
Math.Max(1, _Form.ClientSize.Width),
Math.Max(1, _Form.ClientSize.Height),
Format.R8G8B8A8_UNorm,
0);
using(var backBuffer = Resource.FromSwapChain<Texture2D>(_SwapChain, 0))
{
_RenderView = new RenderTargetView(_Device, backBuffer);
}
_Device.OutputMerger.SetTargets(_RenderView);
Viewport view = new Viewport
{
X = 0,
Y = 0,
Width = _Form.ClientSize.Width,
Height = _Form.ClientSize.Height,
MinDepth = 0.0f,
MaxDepth = 1.0f
};
_Device.Rasterizer.SetViewports(view);
// reconfigure the Frost rendering surface
Size formSize = new Size(_Form.ClientSize.Width, _Form.ClientSize.Height);
if(_Target != null)
{
_Target.Forget();
}
_Target = new Canvas(formSize, SurfaceUsage.External);
formSize = new Size(Math.Max(formSize.Width, 640), Math.Max(formSize.Height, 480));
_Device2D.Resources.PageSize = new Size(formSize.Width * 2, formSize.Height * 2);
_IsResetQueued = true;
}
/// <summary>
/// Binds a single viewport to the rasterizer stage.
/// </summary>
/// <param name = "viewport">The viewport to bind.</param>
public void SetViewports(Viewport viewport)
{
SetViewports(new Viewport[] { viewport });
}
private void initD3D()
{
if (drawForm == null)
return;
swapChainDesc = new SwapChainDescription
{
BufferCount = 2,
ModeDescription = new ModeDescription
{
Width = drawForm.Width,
Height = drawForm.Height,
Format = Format.R8G8B8A8_UNorm,
},
Usage = Usage.RenderTargetOutput,
};
swapChainDesc.ModeDescription.RefreshRate.Numerator = 60;
swapChainDesc.ModeDescription.RefreshRate.Denominator = 1;
swapChainDesc.SampleDescription.Quality = 0;
swapChainDesc.SampleDescription.Count = 1;
swapChainDesc.OutputHandle = drawHandle;
swapChainDesc.IsWindowed = true;
D3D10.Device.CreateWithSwapChain(
D3D10.DriverType.Hardware,
DeviceCreationFlags.None,
swapChainDesc,
out d3d10Device,
out swapChain
);
using (Texture2D backBuffer = swapChain.GetBackBuffer<Texture2D>(0))
renderTargetView = new RenderTargetView(d3d10Device, backBuffer);
d3d10Device.OutputMerger.SetTargets(renderTargetView);
viewport = new Viewport
{
Width = drawForm.Width,
Height = drawForm.Height,
MinDepth = 0.0f,
MaxDepth = 1.0f,
X = 0,
Y = 0
};
d3d10Device.Rasterizer.SetViewports(viewport);
var zBufferTextureDescription = new Texture2DDescription
{
Format = Format.D16_UNorm,
ArraySize = 1,
MipLevels = 1,
Width = drawForm.Width,
Height = drawForm.Height,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
BindFlags = BindFlags.DepthStencil,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None
};
using (var zBufferTexture = new Texture2D(this.d3d10Device, zBufferTextureDescription))
depthStencilView = new DepthStencilView(this.d3d10Device, zBufferTexture);
d3d10Device.OutputMerger.SetTargets(depthStencilView, renderTargetView);
depthState = new DepthStencilStateDescription()
{
IsDepthEnabled = true,
DepthWriteMask = DepthWriteMask.All,
DepthComparison = Comparison.Less,
IsStencilEnabled = true,
StencilReadMask = 0xFF,
StencilWriteMask = 0xFF,
FrontFace = new DepthStencilOperationDescription()
{
FailOperation = StencilOperation.Keep,
DepthFailOperation = StencilOperation.Increment,
PassOperation = StencilOperation.Keep,
Comparison = Comparison.Always
},
BackFace = new DepthStencilOperationDescription()
{
FailOperation = StencilOperation.Keep,
DepthFailOperation = StencilOperation.Decrement,
PassOperation = StencilOperation.Keep,
Comparison = Comparison.Always
}
};
depthNonState = new DepthStencilStateDescription()
{
IsDepthEnabled = false
};
d3d10Device.OutputMerger.SetDepthStencilState(
new DepthStencilState(
d3d10Device,
depthState
), 1
);
// Generic font?
// Camera?
d3d10Device.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
d3d10Device.Rasterizer.State = new RasterizerState(d3d10Device,
new RasterizerStateDescription
{
CullMode = CullMode.Back,
FillMode = FillMode.Solid
}
);
}
public void SetViewport(Viewport viewport)
{
this.device.Rasterizer.SetViewports(viewport);
}
void IScene.RenderSizeChanged(SizeChangedInfo sizeChange)
{
viewport = setupViewport(videoPlayerViewModel.Width, videoPlayerViewModel.Height);
}
Viewport setupViewport(int videoWidth, int videoHeight)
{
DPFCanvas canvas = (DPFCanvas)Host;
double screenWidth = canvas.ActualWidth;
double screenHeight = canvas.ActualHeight;
System.Drawing.Rectangle screenRect = new System.Drawing.Rectangle(0,0,(int)screenWidth, (int)screenHeight);
System.Drawing.Rectangle videoRect = Utils.ImageUtils.stretchRectangle(new System.Drawing.Rectangle(0,0,videoWidth,videoHeight),
screenRect);
videoRect = Utils.ImageUtils.centerRectangle(screenRect, videoRect);
Viewport viewport = new Viewport(new DrawingRectangle(videoRect.X, videoRect.Y, videoRect.Width, videoRect.Height));
return (viewport);
}
void videoPanelViewModel_VideoOpened(Object sender, EventArgs e)
{
for (int i = 0; i < nrTextures; i++)
{
Disposer.RemoveAndDispose(ref this.yuvTexture[i]);
Disposer.RemoveAndDispose(ref this.textureView[i]);
}
if (videoPlayerViewModel.DecodedVideoFormat == VideoLib.VideoPlayer.DecodedVideoFormat.YUV420P)
{
int width = videoPlayerViewModel.Width;
int height = videoPlayerViewModel.Height;
yuvTexture[0] = createTexture(width, height, Format.R8_UNorm);
yuvTexture[1] = createTexture(width / 2, height / 2, Format.R8_UNorm);
yuvTexture[2] = createTexture(width / 2, height / 2, Format.R8_UNorm);
nrTextures = 3;
}
else
{
yuvTexture[0] = createTexture(videoPlayerViewModel.Width, videoPlayerViewModel.Height, Format.B8G8R8A8_UNorm);
nrTextures = 1;
}
Device device = Host.Device;
for (int i = 0; i < nrTextures; i++)
{
ShaderResourceViewDescription desc = new ShaderResourceViewDescription();
desc.Format = yuvTexture[i].Description.Format;
desc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D;
desc.Texture2D.MipLevels = yuvTexture[i].Description.MipLevels;
desc.Texture2D.MostDetailedMip = yuvTexture[i].Description.MipLevels - 1;
textureView[i] = new ShaderResourceView(device, yuvTexture[i], desc);
}
viewport = setupViewport(videoPlayerViewModel.Width, videoPlayerViewModel.Height);
device.Flush();
DPFCanvas canvas = (DPFCanvas)Host;
canvas.StartRendering();
}