public BlendState(bool blendEnabled,
BlendOperation blendOperation, BlendOperation alphaBlendOperation,
BlendOption sourceBlend, BlendOption destinationBlend,
BlendOption sourceAlphhaBlend, BlendOption destinationAlphaBlend)
{
RenderTargetBlendDescription targetDesc = new RenderTargetBlendDescription()
{
AlphaBlendOperation = alphaBlendOperation,
BlendOperation = blendOperation,
DestinationAlphaBlend = destinationAlphaBlend,
SourceAlphaBlend = sourceAlphhaBlend,
SourceBlend = sourceBlend,
DestinationBlend = destinationBlend,
IsBlendEnabled = blendEnabled,
RenderTargetWriteMask = ColorWriteMaskFlags.All
};
BlendStateDescription desc = new BlendStateDescription()
{
IndependentBlendEnable = false,
};
desc.RenderTarget[0] = targetDesc;
NativeBlendState = new SharpDX.Direct3D11.BlendState(GraphicManager.Device, desc);
}
/// <summary>
/// Function to convert this render target blend state to a D3D blend description.
/// </summary>
/// <returns>The D3D render target blend description.</returns>
internal D3D.RenderTargetBlendDescription Convert()
{
var desc = new D3D.RenderTargetBlendDescription
{
AlphaBlendOperation = (D3D.BlendOperation)AlphaOperation,
BlendOperation = (D3D.BlendOperation)BlendingOperation,
IsBlendEnabled = IsBlendingEnabled,
DestinationAlphaBlend = (D3D.BlendOption)DestinationAlphaBlend,
DestinationBlend = (D3D.BlendOption)DestinationBlend,
RenderTargetWriteMask = (D3D.ColorWriteMaskFlags)WriteMask,
SourceAlphaBlend = (D3D.BlendOption)SourceAlphaBlend,
SourceBlend = (D3D.BlendOption)SourceBlend
};
return(desc);
}
static BlendStateDescriptions()
{
AlphaBlendDescription = new RenderTargetBlendDescription()
{
IsBlendEnabled = true,
RenderTargetWriteMask = ColorWriteMaskFlags.All,
AlphaBlendOperation = BlendOperation.Add,
BlendOperation = BlendOperation.Add,
SourceAlphaBlend = BlendOption.SourceAlpha,
SourceBlend = BlendOption.SourceAlpha,
DestinationAlphaBlend = BlendOption.Zero,
DestinationBlend = BlendOption.InverseSourceAlpha
};
OverwriteBlendDescription = new RenderTargetBlendDescription()
{
IsBlendEnabled = true,
RenderTargetWriteMask = ColorWriteMaskFlags.All,
AlphaBlendOperation = BlendOperation.Add,
BlendOperation = BlendOperation.Add,
SourceAlphaBlend = BlendOption.One,
SourceBlend = BlendOption.One,
DestinationAlphaBlend = BlendOption.Zero,
DestinationBlend = BlendOption.Zero
};
DisabledBlendDescription = new RenderTargetBlendDescription()
{
IsBlendEnabled = false
};
}
/// <summary>
/// <p>Create a blend-state object that encapsulates blend state for the output-merger stage.</p>
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="renderTargetBlend0">The render target blend description for the first render target.</param>
/// <param name="blendFactor">The blend factor.</param>
/// <param name="mask">The mask.</param>
/// <returns>A new <see cref="BlendState" /> instance.</returns>
/// <msdn-id>ff476500</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBlendState([In] const D3D11_BLEND_DESC* pBlendStateDesc,[Out, Fast] ID3D11BlendState** ppBlendState)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBlendState</unmanaged-short>
/// <remarks><p>An application can create up to 4096 unique blend-state objects. For each object created, the runtime checks to see if a previous object has the same state. If such a previous object exists, the runtime will return a reference to previous instance instead of creating a duplicate object.</p></remarks>
public static BlendState New(GraphicsDevice device, RenderTargetBlendDescription renderTargetBlend0, Color4 blendFactor, int mask = -1)
{
var description = BlendStateDescription.Default();
description.RenderTarget[0] = renderTargetBlend0;
return new BlendState(device, description, blendFactor, mask);
}
/// <summary>
/// <p>Create a blend-state object that encapsulates blend state for the output-merger stage.</p>
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="renderTargetBlend0">The render target blend description for the first render target.</param>
/// <param name="mask">The mask.</param>
/// <returns>A new <see cref="BlendState" /> instance.</returns>
/// <msdn-id>ff476500</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBlendState([In] const D3D11_BLEND_DESC* pBlendStateDesc,[Out, Fast] ID3D11BlendState** ppBlendState)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBlendState</unmanaged-short>
/// <remarks><p>An application can create up to 4096 unique blend-state objects. For each object created, the runtime checks to see if a previous object has the same state. If such a previous object exists, the runtime will return a reference to previous instance instead of creating a duplicate object.</p></remarks>
public static BlendState New(GraphicsDevice device, RenderTargetBlendDescription renderTargetBlend0, int mask = -1)
{
return New(device, renderTargetBlend0, Color.White, mask);
}
/// <summary>
/// SetupBlendState
/// </summary>
void SetupBlendState ()
{
var rtbd = new RenderTargetBlendDescription();
bool enabled = true;
if ( BlendState.DstAlpha==Blend.Zero && BlendState.SrcAlpha==Blend.One &&
BlendState.DstColor==Blend.Zero && BlendState.SrcColor==Blend.One ) {
enabled = false;
}
rtbd.IsBlendEnabled = enabled ;
rtbd.BlendOperation = Converter.Convert( BlendState.ColorOp );
rtbd.AlphaBlendOperation = Converter.Convert( BlendState.AlphaOp );
rtbd.RenderTargetWriteMask = (ColorWriteMaskFlags)(int)BlendState.WriteMask;
rtbd.DestinationBlend = Converter.Convert( BlendState.DstColor );
rtbd.SourceBlend = Converter.Convert( BlendState.SrcColor );
rtbd.DestinationAlphaBlend = Converter.Convert( BlendState.DstAlpha );
rtbd.SourceAlphaBlend = Converter.Convert( BlendState.SrcAlpha );
var bsd = new BlendStateDescription();
bsd.AlphaToCoverageEnable = false;
bsd.IndependentBlendEnable = false;
bsd.RenderTarget[0] = rtbd;
blendFactor = SharpDXHelper.Convert( BlendState.BlendFactor );
blendMsaaMask = BlendState.MultiSampleMask;
blendState = new D3DBlendState( device.Device, bsd );
}
/// <summary>
/// Initializes a new engine, sets view , tex manager
/// camera , mesh manager , texture manager , line manager
/// volume manager
/// </summary>
/// <param name="width">The width of the Render target</param>
/// <param name="height">The height of the Render target</param>
public Engine(int Width, int Height, Form form)
{
// pass the settings of resolution
Settings.Resolution = new System.Drawing.Size(Width, Height);
/// set the handles for full screen or windows
this.form = form;
this.FormHandle = form.Handle;
/// Create the factory which manages general graphics resources
g_factory = new Factory();
g_factory.MakeWindowAssociation(this.FormHandle, WindowAssociationFlags.IgnoreAll);
// find correct adapter
int adapterCount = g_factory.GetAdapterCount();
//MessageBox.Show(adapterCount.ToString());
// we try to select the PerfHUD adapter
for (int i = 0; i < adapterCount; i++)
{
Adapter adapt = g_factory.GetAdapter(i);
//MessageBox.Show(adapt.Description.Description);
if (adapt.Description.Description == "NVIDIA PerfHUD")
{
g_device = new Device(
adapt,
DeviceCreationFlags.Debug);
}
Console.WriteLine(i.ToString() + adapt.Description.Description);
}
if (g_device == null)
{
#if true
/// Create the DirectX Device
g_device = new Device(g_factory.GetAdapter(1),
(Settings.Debug) ? DeviceCreationFlags.Debug : DeviceCreationFlags.None,
new FeatureLevel[] { FeatureLevel.Level_11_0 });
#else
g_device = new Device(DriverType.Warp,
(Settings.Debug) ? DeviceCreationFlags.Debug : DeviceCreationFlags.None,
new FeatureLevel[] { FeatureLevel.Level_11_0 });
#endif
// check if we have one device to our system
if (!(((g_device.FeatureLevel & FeatureLevel.Level_10_0) != 0) || ((g_device.FeatureLevel & FeatureLevel.Level_10_1) != 0) || ((g_device.FeatureLevel & FeatureLevel.Level_11_0) != 0)))
{
// if we don't have we just simulate
#region Create the device base on swapChain
/// Create a description of the display mode
g_modeDesc = new ModeDescription();
/// Standard 32-bit RGBA
g_modeDesc.Format = Format.R8G8B8A8_UNorm;
/// Refresh rate of 60Hz (60 / 1 = 60)
g_modeDesc.RefreshRate = new Rational(60, 1);
/// Default
g_modeDesc.Scaling = DisplayModeScaling.Unspecified;
g_modeDesc.ScanlineOrdering = DisplayModeScanlineOrder.Progressive;
/// ClientSize is the size of the
/// form without the title and borders
g_modeDesc.Width = Width;
g_modeDesc.Height = Height;
/// Create a description of the samping
/// for multisampling or antialiasing
g_sampleDesc = new SampleDescription();
/// No multisampling
g_sampleDesc.Count = 1;
g_sampleDesc.Quality = 0;
/// Create a description of the swap
/// chain or front and back buffers
g_swapDesc = new SwapChainDescription();
/// link the ModeDescription
g_swapDesc.ModeDescription = g_modeDesc;
/// link the SampleDescription
g_swapDesc.SampleDescription = g_sampleDesc;
/// Number of buffers (including the front buffer)
g_swapDesc.BufferCount = 1;
g_swapDesc.Flags = SwapChainFlags.AllowModeSwitch;
g_swapDesc.IsWindowed = true;
/// The output window (the windows being rendered to)
g_swapDesc.OutputHandle = this.FormHandle;
/// Scrap the contents of the buffer every frame
g_swapDesc.SwapEffect = SwapEffect.Discard;
/// Indicate that this SwapChain
/// is going to be a Render target
g_swapDesc.Usage = Usage.RenderTargetOutput;
//g_swapChain = new SwapChain(g_factory, g_device, g_swapDesc);
try
{
/// Create the actual swap chain
/// Here we set and the device type
Device.CreateWithSwapChain(DriverType.Warp, (Settings.Debug) ? DeviceCreationFlags.Debug : DeviceCreationFlags.None, new FeatureLevel[] { Settings.FeatureLevel }, g_swapDesc, out g_device, out g_swapChain);
}
catch (Exception ex)
{
/// Create the actual swap chain
/// Here we set and the device type
Device.CreateWithSwapChain(DriverType.Reference, (Settings.Debug) ? DeviceCreationFlags.Debug : DeviceCreationFlags.None, new FeatureLevel[] { Settings.FeatureLevel }, g_swapDesc, out g_device, out g_swapChain);
}
/// Create the factory which manages general graphics resources
g_factory = g_swapChain.GetParent<Factory>();
g_factory.MakeWindowAssociation(this.FormHandle, WindowAssociationFlags.IgnoreAll);
#endregion
}
else
{
#if false
#region Create the device base on swapChain
/// Create a description of the display mode
g_modeDesc = new ModeDescription();
/// Standard 32-bit RGBA
g_modeDesc.Format = Format.R8G8B8A8_UNorm;
/// Refresh rate of 60Hz (60 / 1 = 60)
g_modeDesc.RefreshRate = new Rational(60, 1);
/// Default
g_modeDesc.Scaling = DisplayModeScaling.Unspecified;
g_modeDesc.ScanlineOrdering = DisplayModeScanlineOrdering.Progressive;
/// ClientSize is the size of the
/// form without the title and borders
g_modeDesc.Width = Width;
g_modeDesc.Height = Height;
/// Create a description of the samping
/// for multisampling or antialiasing
g_sampleDesc = new SampleDescription();
/// No multisampling
g_sampleDesc.Count = 1;
g_sampleDesc.Quality = 0;
/// Create a description of the swap
/// chain or front and back buffers
g_swapDesc = new SwapChainDescription();
/// link the ModeDescription
g_swapDesc.ModeDescription = g_modeDesc;
/// link the SampleDescription
g_swapDesc.SampleDescription = g_sampleDesc;
/// Number of buffers (including the front buffer)
g_swapDesc.BufferCount = 1;
g_swapDesc.Flags = SwapChainFlags.None;
g_swapDesc.IsWindowed = true;
/// The output window (the windows being rendered to)
g_swapDesc.OutputHandle = FormHandle;
/// Scrap the contents of the buffer every frame
g_swapDesc.SwapEffect = SwapEffect.Discard;
/// Indicate that this SwapChain
/// is going to be a Render target
g_swapDesc.Usage = Usage.RenderTargetOutput;
g_swapChain = new SwapChain(g_factory, g_device, g_swapDesc);
#endregion
#endif
}
// set the feature level
Settings.FeatureLevel = g_device.FeatureLevel;
}
/// init mesh manager
g_MeshManager = new Object3DManager();
/// init deferred device
//DeferredDev1 = new DeviceContext( Engine.g_device );
//DeferredDev2 = new DeviceContext( Engine.g_device );
// init the image factory...
g_image_factory = new ImagingFactory();
/// Set flag to indicate that engine is running
g_Running = true;
Logger.WriteLine("The Graphing Engine have be start ");
// set the event handler
RenderLoopHandler = new EventHandler(RenderLoop);
var rtb = new RenderTargetBlendDescription()
{
IsBlendEnabled = true,
BlendOperation = BlendOperation.Add,
AlphaBlendOperation = BlendOperation.Add,
DestinationBlend = BlendOption.One,
DestinationAlphaBlend = BlendOption.Zero,
SourceBlend = BlendOption.One,
SourceAlphaBlend = BlendOption.One,
RenderTargetWriteMask = ColorWriteMaskFlags.All
};
BlendStateDescription blendDesc = new BlendStateDescription();
blendDesc.AlphaToCoverageEnable = false;
blendDesc.IndependentBlendEnable = false;
blendDesc.RenderTarget[0] = rtb;
g_blendState = new BlendState(g_device, blendDesc);
DepthStencilStateDescription dssd = new DepthStencilStateDescription();
dssd.DepthComparison = Comparison.Less;
dssd.IsDepthEnabled = true;
g_depthStencilState = new DepthStencilState(g_device, new DepthStencilStateDescription());
}
private static void SetupRenderTargetBlendDescriptionAccordingToTheMode(BlendMode blendMode,
ref RenderTargetBlendDescription targetDescription)
{
switch (blendMode)
{
case BlendMode.Normal:
targetDescription.DestinationBlend = BlendOption.InverseSourceAlpha;
break;
case BlendMode.Additive:
break;
case BlendMode.Subtractive:
targetDescription.BlendOperation = BlendOperation.ReverseSubtract;
break;
case BlendMode.LightEffect:
targetDescription.SourceBlend = BlendOption.DestinationColor;
targetDescription.BlendOperation = BlendOperation.Add;
break;
default:
targetDescription.IsBlendEnabled = false;
break;
}
}
public bool InitializeShader(string shaderName)
{
try
{
// Set shader flags
ShaderFlags sFlags = ShaderFlags.EnableStrictness;
#if DEBUG
sFlags |= ShaderFlags.Debug;
#endif
// Compile shader code
CompilationResult vertexShaderByteCode = ShaderBytecode.CompileFromFile(shaderName, "VS", "vs_4_0", sFlags, EffectFlags.None);
CompilationResult pixelShaderByteCode = ShaderBytecode.CompileFromFile(shaderName, "PS", "ps_4_0", sFlags, EffectFlags.None);
// Create signature
ShaderSignature inputSignature = ShaderSignature.GetInputSignature(vertexShaderByteCode);
// Set shaders
Set(ref m_vertexShader, new VertexShader(Device, vertexShaderByteCode));
Set(ref m_pixelShader, new PixelShader(Device, pixelShaderByteCode));
// Define inputs
m_inputElements = new InputLayout(Device, inputSignature, new[]{
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 12, 0),
});
Device.ImmediateContext.InputAssembler.InputLayout = (m_inputElements);
// Release the shader buffers.
vertexShaderByteCode.Dispose();
pixelShaderByteCode.Dispose();
// Vagrant Story meshes are written as TriangleLists
Device.ImmediateContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
RasterizerStateDescription rasterDesc = new RasterizerStateDescription()
{
CullMode = CullMode.Back,
FillMode = FillMode.Solid,
IsFrontCounterClockwise = true,
DepthBias = 0,
DepthBiasClamp = 0,
SlopeScaledDepthBias = 0,
IsDepthClipEnabled = true,
IsMultisampleEnabled = true,
IsScissorEnabled = false,
IsAntialiasedLineEnabled = true,
};
rasterizerState = new RasterizerState(Device, rasterDesc);
Device.ImmediateContext.Rasterizer.State = rasterizerState;
RenderTargetBlendDescription RTBDesc = new RenderTargetBlendDescription(true, BlendOption.SourceAlpha, BlendOption.InverseSourceAlpha,
BlendOperation.Add, BlendOption.One, BlendOption.Zero, BlendOperation.Add, ColorWriteMaskFlags.All);
BlendStateDescription bsDesc = new BlendStateDescription();
bsDesc.RenderTarget[0] = RTBDesc;
blendState = new BlendState(Device, bsDesc);
Device.ImmediateContext.OutputMerger.SetBlendState(blendState, null, -1);
// Create constant matrix buffer
m_matrixBuffer = new ConstantBuffer<MatrixBuffer>(Device);
Device.ImmediateContext.VertexShader.SetConstantBuffer(0, m_matrixBuffer.Buffer);
// Create a texture sampler state description.
SamplerStateDescription samplerDesc = new SamplerStateDescription
{
Filter = Filter.MinMagMipPoint,
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
ComparisonFunction = Comparison.Never,
MinimumLod = 0,
MaximumLod = 0,
};
m_samplerState = new SamplerState(Device, samplerDesc);
DepthStencilStateDescription depthStencilStateDesc = new DepthStencilStateDescription
{
IsDepthEnabled = true,
DepthWriteMask = DepthWriteMask.All,
DepthComparison = Comparison.Less,
IsStencilEnabled = true,
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,
},
};
depthStencilState = new DepthStencilState(Device, depthStencilStateDesc);
}
catch (Exception ex)
{
MessageBox.Show("Error initializing shader. Error is " + ex.Message);
return false;
};
Camera = new VSViewerCamera();
Camera.SetProjParams(65 * VSTools.Deg2Rad, 1.5f, 25.0f, 10000f);
// vagrant story is -y up. Probably an artifact of the hardware restrictions.
Camera.SetViewParams(new Vector3(0.0f, 0.0f, -500.0f), new Vector3(0.0f, 0.0f, 0.0f), new Vector3(0, -1, 0));
return true;
}