private void InitializeDeviceResources()
{
SharpDX.DXGI.ModeDescription backBufferDesc = new SharpDX.DXGI.ModeDescription(Width, Height, new SharpDX.DXGI.Rational(60, 1), SharpDX.DXGI.Format.R8G8B8A8_UNorm);
SharpDX.DXGI.SwapChainDescription swapChainDesc = new SharpDX.DXGI.SwapChainDescription()
{
ModeDescription = backBufferDesc,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
Usage = SharpDX.DXGI.Usage.RenderTargetOutput,
BufferCount = 1,
OutputHandle = renderForm.Handle,
IsWindowed = true
};
SharpDX.Direct3D11.Device.CreateWithSwapChain(SharpDX.Direct3D.DriverType.Hardware, SharpDX.Direct3D11.DeviceCreationFlags.None, swapChainDesc, out d3dDevice, out swapChain);
var factory = swapChain.GetParent <SharpDX.DXGI.Factory>();
factory.MakeWindowAssociation(renderForm.Handle, SharpDX.DXGI.WindowAssociationFlags.IgnoreAll);
d3dDeviceContext = d3dDevice.ImmediateContext;
using (SharpDX.Direct3D11.Texture2D backBuffer = swapChain.GetBackBuffer <SharpDX.Direct3D11.Texture2D>(0))
{
renderTargetView = new SharpDX.Direct3D11.RenderTargetView(d3dDevice, backBuffer);
}
d3dDeviceContext.OutputMerger.SetRenderTargets(renderTargetView);
// Set viewport
viewport = new SharpDX.Viewport(0, 0, Width, Height);
d3dDeviceContext.Rasterizer.SetViewport(viewport);
}
static Vector3 CalculateProjectedPosition()
{
Vector3 directionFromSunNormalized = MyRender.Sun.Direction;
// Tell the lensflare component where our camera is positioned.
m_view = MyRenderCamera.ViewMatrix;
m_projection = MyRenderCamera.ProjectionMatrix;
// The sun is infinitely distant, so it should not be affected by the
// position of the camera. Floating point math doesn't support infinitely
// distant vectors, but we can get the same result by making a copy of our
// view matrix, then resetting the view translation to zero. Pretending the
// camera has not moved position gives the same result as if the camera
// was moving, but the light was infinitely far away. If our flares came
// from a local object rather than the sun, we would use the original view
// matrix here.
var infiniteView = (Matrix)m_view;
infiniteView.Translation = Vector3.Zero;
// Project the light position into 2D screen space.
SharpDX.Viewport viewport = MyRender.GraphicsDevice.Viewport;
Vector3 projectedPosition = SharpDXHelper.ToXNA(
viewport.Project(SharpDXHelper.ToSharpDX(-directionFromSunNormalized), SharpDXHelper.ToSharpDX(m_projection), SharpDXHelper.ToSharpDX(infiniteView), SharpDXHelper.ToSharpDX(Matrix.Identity)));
return(projectedPosition);
}
/// <summary>
/// Get the array of {{viewports}} bound to the {{rasterizer stage}}
/// </summary>
/// <returns>An array of viewports (see <see cref="SharpDX.Viewport"/>).</returns>
/// <unmanaged>void RSGetViewports([InOut] int* NumViewports,[Out, Buffer, Optional] D3D10_VIEWPORT* pViewports)</unmanaged>
public SharpDX.Viewport[] GetViewports()
{
int numViewports = 0;
GetViewports(ref numViewports, null);
SharpDX.Viewport[] viewports = new SharpDX.Viewport[numViewports];
GetViewports(ref numViewports, viewports);
return viewports;
}
/// <summary>
/// Get the array of {{viewports}} bound to the {{rasterizer stage}}
/// </summary>
/// <returns>An array of viewports (see <see cref="SharpDX.Viewport"/>).</returns>
/// <unmanaged>void RSGetViewports([InOut] int* NumViewports,[Out, Buffer, Optional] D3D10_VIEWPORT* pViewports)</unmanaged>
public SharpDX.Viewport[] GetViewports()
{
int numViewports = 0;
GetViewports(ref numViewports, null);
SharpDX.Viewport[] viewports = new SharpDX.Viewport[numViewports];
GetViewports(ref numViewports, viewports);
return(viewports);
}
void CreateBuffers(int width, int height)
{
using (Texture2D backBuffer = swapChain.GetBackBuffer <Texture2D>(0)) {
renderTargetView = new RenderTargetView(D3DDevice, backBuffer);
}
var zBufferTextureDescription = new Texture2DDescription {
Format = Format.D16_UNorm,
ArraySize = 1,
MipLevels = 1,
Width = width,
Height = height,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
BindFlags = BindFlags.DepthStencil,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None
};
using (var zBufferTexture = new Texture2D(D3DDevice, zBufferTextureDescription)) {
depthStencilView = new DepthStencilView(D3DDevice, zBufferTexture);
}
var depthEnabledStencilState = new DepthStencilState(D3DDevice, D3DDepthStencilStateDescriptions.DepthEnabled);
var viewport = new SharpDX.Viewport(0, 0, width, height);
ImmediateContext.Rasterizer.SetViewport(viewport);
ImmediateContext.OutputMerger.SetTargets(depthStencilView, renderTargetView);
//no zbuffer and DepthStencil
//ImmediateContext.OutputMerger.SetRenderTargets(renderTargetView);
//with zbuffer / DepthStencil
ImmediateContext.OutputMerger.SetDepthStencilState(depthEnabledStencilState, 0);
//var blendStateDesc = new BlendStateDescription();
//blendStateDesc.RenderTarget[0].IsBlendEnabled = true;
//blendStateDesc.RenderTarget[0].SourceBlend = BlendOption.SourceAlpha;
//blendStateDesc.RenderTarget[0].DestinationBlend = BlendOption.InverseSourceAlpha;
//blendStateDesc.RenderTarget[0].BlendOperation = BlendOperation.Add;
//blendStateDesc.RenderTarget[0].SourceAlphaBlend = BlendOption.One;
//blendStateDesc.RenderTarget[0].DestinationAlphaBlend = BlendOption.Zero;
//blendStateDesc.RenderTarget[0].AlphaBlendOperation = BlendOperation.Add;
//blendStateDesc.RenderTarget[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
//var blend = new BlendState(Device, blendStateDesc);
//var blendFactor = new Color4(0, 0, 0, 0);
//Device.ImmediateContext.OutputMerger.SetBlendState(blend, blendFactor, -1);
}
public void PropertyStasher_modifyCascadedProperty_isRestoredToInitialValue()
{
var context = new OperatorPartContext();
var viewport = new SharpDX.ViewportF(0, 0, 320, 200);
context.Viewport = viewport;
using (new PropertyStasher <OperatorPartContext>(context, "Viewport")) {
var viewport2 = new SharpDX.Viewport(0, 0, 640, 480);
context.Viewport = viewport2;
using (new PropertyStasher <OperatorPartContext>(context, "Viewport")) {
context.Viewport = new SharpDX.Viewport(0, 0, 1024, 768);
}
Assert.AreEqual(viewport2, context.Viewport);
}
Assert.AreEqual(viewport, context.Viewport);
}
protected override void Initialize()
{
Window.Title = title;
base.Initialize();
if (Initialised != null)
{
Initialised(this);
}
FearLog.Initialise();
SharpDX.ViewportF viewport = new SharpDX.Viewport(0, 0, (int)DEFAULT_WIDTH, (int)DEFAULT_HEIGHT, 0.0f, 1.0f);
graphicsDeviceManager.GraphicsDevice.SetViewport(viewport);
game.Startup(this);
}
private int mipLevels = 1; //Mips will screw with the readings from the depth texture.
public ShadowMap(GraphicsDevice device, int width, int height)
{
viewport = new SharpDX.Viewport(0, 0, width, height, 0.0f, 1.0f);
Texture2DDescription depthTexDesc = FillOutDepthTextureDescription();
SharpDX.Direct3D11.Texture2D depthTexture = new SharpDX.Direct3D11.Texture2D(device, depthTexDesc);
DepthStencilViewDescription dsvDesc = FillOutDSVDescription();
depthMapDSV = new DepthStencilView(device, depthTexture, dsvDesc);
ShaderResourceViewDescription srvDesc = FillOutSRVDescription();
depthMapSRV = new ShaderResourceView(device, depthTexture, srvDesc);
renderTarget = new RenderTarget("ShadowMap", null, depthMapDSV, viewport);
depthTexture.Dispose();
}
// Draws the lensflare sprites, computing the position
// of each one based on the current angle of the sun.
static void DrawFlares(float occlusionFactor, float visibilityRatio)
{
float screenScale = MyRender.ScreenSize.Y / 1000f;
SharpDX.Viewport viewport = MyRender.GraphicsDevice.Viewport;
// Lensflare sprites are positioned at intervals along a line that
// runs from the 2D light position toward the center of the screen.
Vector2 screenCenter = new Vector2(viewport.Width, viewport.Height) / 2;
Vector2 flareVector = screenCenter - m_lightPosition;
// Draw the flare sprites using additive blending.
m_spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.Additive);
foreach (MyFlare flare in m_flares)
{
// Compute the position of this flare sprite.
Vector2 flarePosition = m_lightPosition + flareVector * flare.Position * screenScale;
// Set the flare alpha based on the previous occlusion query result.
Vector4 flareColor = flare.Color.ToVector4();
flareColor.W *= occlusionFactor * visibilityRatio * visibilityRatio * (1 - MyRender.FogProperties.FogMultiplier * 0.7f);
flareColor.W *= (1 - MyRender.FogProperties.FogMultiplier);
// Center the sprite texture.
Vector2 flareOrigin = new Vector2(flare.Texture.Width,
flare.Texture.Height) / 2;
// Draw the flare.
m_spriteBatch.Draw(flare.Texture, flarePosition, null,
new Color(flareColor.X, flareColor.Y, flareColor.Z, flareColor.W),
Vector2.UnitX,
flareOrigin,
flare.Scale * screenScale, SpriteEffects.None, 0);
}
m_spriteBatch.End();
}
private bool DoBeginDraw()
{
if (this.HasDrawBegun)
throw new InvalidOperationException("Already within BeginDraw / EndDraw pair.");
this.EnsureDeviceCreated();
SharpDX.Result result = this.InternalDevice.TestCooperativeLevel();
if (!result.Success)
{
if (result.Code == D3D.ResultCode.DeviceLost.Result.Code && !this.IsDeviceLost)
{
this.IsDeviceLost = true;
}
else if (result.Code == D3D.ResultCode.DriverInternalError.Result.Code)
{
// TODO: Should this be handled?
}
}
if (this.IsDeviceLost && !this.ResetDevice())
return false;
SharpDX.Viewport viewport = new SharpDX.Viewport(0, 0, this.BackBufferWidth, this.BackBufferHeight, 0, 1);
if (this.RenderTarget != null)
{
this.backBuffer = this.InternalDevice.GetRenderTarget(0);
this.InternalDevice.SetRenderTarget(0, this.RenderTarget.InternalTexture.GetSurfaceLevel(0));
viewport.Width = this.RenderTarget.Width;
viewport.Height = this.RenderTarget.Height;
}
this.InternalDevice.Viewport = viewport;
this.InternalDevice.BeginScene();
this.HasDrawBegun = true;
return true;
}
public void InitializeD3D11(IntPtr wndHandle, int width, int height)
{
CloseD3D11();
_dxgiFactory = new Factory1();
_dxiAdapter = _dxgiFactory.Adapters[0];
_d3d11Device = new Device(_dxiAdapter, DeviceCreationFlags.BgraSupport, FeatureLevel.Level_11_0);
_dxgiDevice = _d3d11Device.QueryInterface <DXGIDevice>();
_dxgiDevice.MaximumFrameLatency = 1;
// Compile Vertex and Pixel shaders
var vertexShaderByteCode = ShaderBytecode.CompileFromFile("VSShader.fx", "main", "vs_4_0", ShaderFlags.None, EffectFlags.None);
_vertexShader = new VertexShader(_d3d11Device, vertexShaderByteCode);
var pixelShaderByteCode = ShaderBytecode.CompileFromFile("PSShader.fx", "main", "ps_4_0", ShaderFlags.None, EffectFlags.None);
_pixelShader = new PixelShader(_d3d11Device, pixelShaderByteCode);
InputElement[] inputElements = new InputElement[3];
inputElements[0] = new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0, InputClassification.PerVertexData, 0);
inputElements[1] = new InputElement("TEXCOORD", 0, Format.R32G32_Float, 12, 0, InputClassification.PerVertexData, 0);
inputElements[2] = new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 20, 0, InputClassification.PerVertexData, 0);
_inputLayout = new InputLayout(_d3d11Device, vertexShaderByteCode, inputElements);
BufferDescription vertexShaderDesc = new BufferDescription(Matrix.SizeInBytes * 2, BindFlags.ConstantBuffer, ResourceUsage.Default);
_vertexShaderConstans = new Buffer(_d3d11Device, vertexShaderDesc);
SamplerStateDescription samplerStateDescription = new SamplerStateDescription();
samplerStateDescription.Filter = Filter.MinMagMipLinear;
samplerStateDescription.AddressU = TextureAddressMode.Clamp;
samplerStateDescription.AddressV = TextureAddressMode.Clamp;
samplerStateDescription.AddressW = TextureAddressMode.Clamp;
samplerStateDescription.MipLodBias = 0.0f;
samplerStateDescription.MaximumAnisotropy = 1;
samplerStateDescription.ComparisonFunction = Comparison.Always;
samplerStateDescription.MinimumLod = 0.0f;
samplerStateDescription.MaximumLod = float.MaxValue;
_samplerState = new SamplerState(_d3d11Device, samplerStateDescription);
RasterizerStateDescription rasterizerStateDescription = new RasterizerStateDescription();
rasterizerStateDescription.IsAntialiasedLineEnabled = false;
rasterizerStateDescription.CullMode = CullMode.None;
rasterizerStateDescription.DepthBias = 0;
rasterizerStateDescription.DepthBiasClamp = 0.0f;
rasterizerStateDescription.IsDepthClipEnabled = true;
rasterizerStateDescription.FillMode = FillMode.Solid;
rasterizerStateDescription.IsFrontCounterClockwise = false;
rasterizerStateDescription.IsMultisampleEnabled = false;
rasterizerStateDescription.IsScissorEnabled = false;
rasterizerStateDescription.SlopeScaledDepthBias = 0.0f;
_rasterizerState = new RasterizerState(_d3d11Device, rasterizerStateDescription);
_d3d11Device.ImmediateContext.InputAssembler.InputLayout = _inputLayout;
_d3d11Device.ImmediateContext.VertexShader.SetShader(_vertexShader, null, 0);
_d3d11Device.ImmediateContext.VertexShader.SetConstantBuffers(0, 1, _vertexShaderConstans);
SwapChainDescription swapChainDescription = new SwapChainDescription();
swapChainDescription.ModeDescription.Width = width;
swapChainDescription.ModeDescription.Height = height;
swapChainDescription.ModeDescription.Format = Format.B8G8R8A8_UNorm;
swapChainDescription.ModeDescription.RefreshRate.Numerator = 1;
//pretty ugly
//its better to autodetect screen refresh rate
swapChainDescription.ModeDescription.RefreshRate.Denominator = 60;
swapChainDescription.SampleDescription.Count = 1;
swapChainDescription.SampleDescription.Quality = 0;
swapChainDescription.Usage = Usage.RenderTargetOutput;
swapChainDescription.BufferCount = 2;
swapChainDescription.ModeDescription.Scaling = DisplayModeScaling.Unspecified;
swapChainDescription.SwapEffect = SwapEffect.FlipSequential;
swapChainDescription.Flags = 0;
swapChainDescription.IsWindowed = true;
swapChainDescription.OutputHandle = wndHandle;
_swapChain = new SwapChain(_dxgiFactory, _d3d11Device, swapChainDescription);
_dxgiFactory.MakeWindowAssociation(wndHandle, WindowAssociationFlags.IgnoreAll);
Texture2D backBuffer = _swapChain.GetBackBuffer <Texture2D>(0);
_mainRenderTargerView = new RenderTargetView(_d3d11Device, backBuffer);
backBuffer.Dispose();
backBuffer = null;
Matrix projection = Matrix.Identity;
Matrix view = new Matrix();
/* Update the view matrix */
view[0, 0] = 2.0f / (float)width;
view[0, 1] = 0.0f;
view[0, 2] = 0.0f;
view[0, 3] = 0.0f;
view[1, 0] = 0.0f;
view[1, 1] = -2.0f / (float)height;
view[1, 2] = 0.0f;
view[1, 3] = 0.0f;
view[2, 0] = 0.0f;
view[2, 1] = 0.0f;
view[2, 2] = 1.0f;
view[2, 3] = 0.0f;
view[3, 0] = -1.0f;
view[3, 1] = 1.0f;
view[3, 2] = 0.0f;
view[3, 3] = 1.0f;
VertexShaderConstants vertexShaderConstansData = new VertexShaderConstants();
vertexShaderConstansData.projectionAndView = Matrix.Multiply(view, projection);
vertexShaderConstansData.model = Matrix.Identity;
_vertexShaderConstansData = Marshal.AllocHGlobal(Marshal.SizeOf(vertexShaderConstansData));
Marshal.StructureToPtr(vertexShaderConstansData, _vertexShaderConstansData, false);
_d3d11Device.ImmediateContext.UpdateSubresource(ref vertexShaderConstansData, _vertexShaderConstans);
ViewPort viewPort = new ViewPort();
viewPort.X = 0;
viewPort.Y = 0;
viewPort.Width = width;
viewPort.Height = height;
viewPort.MinDepth = 0.0f;
viewPort.MaxDepth = 1.0f;
_d3d11Device.ImmediateContext.Rasterizer.SetViewport(viewPort);
float minu, maxu, minv, maxv;
minu = 0.0f;
maxu = 1.0f;
minv = 0.0f;
maxv = 1.0f;
// Instantiate Vertex buiffer from vertex data
var vertices = Buffer.Create(_d3d11Device, BindFlags.VertexBuffer, new[]
{
//ul
0.0f, 0.0f, 0.0f, minu, minv, 1.0f, 1.0f, 1.0f, 1.0f,
//dl
0.0f, (float)height, 0.0f, minu, maxv, 1.0f, 1.0f, 1.0f, 1.0f,
//ur
(float)width, 0.0f, 0.0f, maxu, minv, 1.0f, 1.0f, 1.0f, 1.0f,
//dr
(float)width, (float)height, 0.0f, maxu, maxv, 1.0f, 1.0f, 1.0f, 1.0f
});
_d3d11Device.ImmediateContext.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(vertices, 36, 0));
_d3d11Device.ImmediateContext.Rasterizer.State = _rasterizerState;
_d3d11Device.ImmediateContext.PixelShader.SetShader(_pixelShader, null, 0);
_d3d11Device.ImmediateContext.PixelShader.SetSamplers(0, 1, _samplerState);
_d3d11Device.ImmediateContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleStrip;
}
