public override void SetupResources(EffectMesh effectMesh)
{
var blendStateDesc = new BlendStateDescription();
blendStateDesc.SetDefaults();
blendStateDesc.AlphaToCoverageEnable = false;
blendStateDesc.IndependentBlendEnable = false;
blendStateDesc.RenderTargets[0].BlendEnable = true;
blendStateDesc.RenderTargets[0].AlphaBlendFunction = BlendFunction.Add;
blendStateDesc.RenderTargets[0].AlphaSourceBlend = Blend.One;
blendStateDesc.RenderTargets[0].AlphaDestinationBlend = Blend.One;
blendStateDesc.RenderTargets[0].ColorBlendFunction = BlendFunction.Add;
blendStateDesc.RenderTargets[0].ColorSourceBlend = Blend.One;
blendStateDesc.RenderTargets[0].ColorDestinationBlend = Blend.One;
blendStateDesc.RenderTargets[0].ColorWriteChannels = ColorWriteChannels.All;
// "LightPrePassAdditiveBlend"
Effect.Parameters.Set(BlendStateKey, BlendState.New(GraphicsDevice, blendStateDesc));
if (Debug)
{
var rasterizer = RasterizerState.New(GraphicsDevice, new RasterizerStateDescription()
{
FillMode = FillMode.Wireframe
});
rasterizer.Name = "LightPrePassWireFrame";
Effect.Parameters.Set(RasterizerStateKey, rasterizer);
}
Effect.PrepareMesh += SetupMeshResources;
Effect.UpdateMeshData += UpdateMeshResources;
}
/// <summary>
/// Initializes a new instance of the <see cref="BlendStateFactory"/> class.
/// </summary>
/// <param name="device">The device.</param>
internal BlendStateFactory(GraphicsDevice device)
{
var blendDescription = new BlendStateDescription(Blend.One, Blend.Zero);
blendDescription.SetDefaults();
Default = BlendState.New(device, blendDescription).DisposeBy(device);
Default.Name = "Default";
Additive = BlendState.New(device, new BlendStateDescription(Blend.SourceAlpha, Blend.One)).DisposeBy(device);
Additive.Name = "Additive";
AlphaBlend = BlendState.New(device, new BlendStateDescription(Blend.One, Blend.InverseSourceAlpha)).DisposeBy(device);
AlphaBlend.Name = "AlphaBlend";
NonPremultiplied = BlendState.New(device, new BlendStateDescription(Blend.SourceAlpha, Blend.InverseSourceAlpha)).DisposeBy(device);
NonPremultiplied.Name = "NonPremultiplied";
Opaque = BlendState.New(device, new BlendStateDescription(Blend.One, Blend.Zero)).DisposeBy(device);
Opaque.Name = "Opaque";
var colorDisabledDescription = new BlendStateDescription();
colorDisabledDescription.SetDefaults();
colorDisabledDescription.RenderTargets[0].ColorWriteChannels = ColorWriteChannels.None;
ColorDisabled = BlendState.New(device, colorDisabledDescription).DisposeBy(device);
ColorDisabled.Name = "ColorDisabled";
}
static BlendStates()
{
var blendDescription = new BlendStateDescription(Blend.One, Blend.Zero);
blendDescription.SetDefaults();
Default = blendDescription;
var colorDisabledDescription = new BlendStateDescription();
colorDisabledDescription.SetDefaults();
colorDisabledDescription.RenderTarget0.ColorWriteChannels = ColorWriteChannels.None;
ColorDisabled = colorDisabledDescription;
}
public override void SetupResources(EffectMesh effectMesh)
{
base.SetupResources(effectMesh);
Effect.Parameters.RegisterParameter(BlendStateKey);
Effect.Parameters.RegisterParameter(RasterizerStateKey);
// Create blendstate for min calculation
var bbBlendDesc = new BlendStateDescription();
bbBlendDesc.SetDefaults();
bbBlendDesc.AlphaToCoverageEnable = false;
bbBlendDesc.IndependentBlendEnable = false;
bbBlendDesc.RenderTargets[0].BlendEnable = true;
bbBlendDesc.RenderTargets[0].ColorSourceBlend = Blend.One;
bbBlendDesc.RenderTargets[0].ColorDestinationBlend = Blend.One;
bbBlendDesc.RenderTargets[0].ColorBlendFunction = BlendFunction.Max;
bbBlendDesc.RenderTargets[0].ColorWriteChannels = ColorWriteChannels.Red;
var blendMinState = BlendState.New(GraphicsDevice, bbBlendDesc);
blendMinState.Name = "MinBlend";
// Create blendstate for max calculation
bbBlendDesc.RenderTargets[0].ColorBlendFunction = BlendFunction.Max;
bbBlendDesc.RenderTargets[0].ColorWriteChannels = ColorWriteChannels.Green;
var blendMaxState = BlendState.New(GraphicsDevice, bbBlendDesc);
blendMaxState.Name = "MaxBlend";
maxPass.Parameters.Set(RasterizerStateKey, GraphicsDevice.RasterizerStates.CullFront);
maxPass.Parameters.Set(BlendStateKey, blendMaxState);
minPass.Parameters.Set(RasterizerStateKey, GraphicsDevice.RasterizerStates.CullBack);
minPass.Parameters.Set(BlendStateKey, blendMinState);
}
public override void Initialize()
{
base.Initialize();
boundingBoxPass = new RenderPass("BoundingBoxPass");
minMaxPass = new RenderPass("MinmaxPass");
lightShaftPass = new RenderPass("LightShaftPass");
filterUpscalePass = new RenderPass("UpscalePass");
RenderPass.AddPass(boundingBoxPass, minMaxPass, lightShaftPass, filterUpscalePass);
var useUpScaling = false;
var bbRenderTargetPlugin = new RenderTargetsPlugin("BoundingBoxRenderTargetPlugin")
{
EnableSetTargets = true,
EnableClearTarget = true,
RenderPass = boundingBoxPass,
Services = Services,
};
var minMaxEffectBuilder = this.EffectSystemOld.BuildEffect("MinMax")
.Using(new MinMaxShaderPlugin("MinMaxShaderPlugin")
{
RenderPassPlugin = bbRenderTargetPlugin
})
.Using(new BasicShaderPlugin("TransformationWVP")
{
RenderPassPlugin = bbRenderTargetPlugin
});
var minmaxEffectBuilder = this.EffectSystemOld.BuildEffect("LightShaftsMinMax")
.Using(new PostEffectSeparateShaderPlugin()
{
RenderPass = minMaxPass
})
.Using(new BasicShaderPlugin("ForwardShadowMapBase")
{
RenderPass = minMaxPass
})
.Using(new BasicShaderPlugin(new ShaderClassSource("PostEffectMinMax", "ShadowMapUtils.shadowMapTexture", "PointSampler", 4, 4, 0.0, 1.0))
{
RenderPass = minMaxPass
});
var lightShaftsEffectBuilder = this.EffectSystemOld.BuildEffect("LightShafts")
.Using(new PostEffectSeparateShaderPlugin()
{
RenderPass = lightShaftPass
})
.Using(new StateShaderPlugin()
{
UseBlendState = !useUpScaling, RenderPass = lightShaftPass
})
//.Using(new BasicShaderPlugin(new ShaderClassSource("PostEffectLightShafts", Debug ? 1 : 0, RenderContext.IsZReverse ? 1 : 0, StepCount)) { RenderPass = lightShaftPass });
.Using(new BasicShaderPlugin(new ShaderClassSource("PostEffectLightShafts", Debug ? 1 : 0, false ? 1 : 0, StepCount))
{
RenderPass = lightShaftPass
});
if (OfflineCompilation)
{
minMaxEffectBuilder.InstantiatePermutation();
minmaxEffectBuilder.InstantiatePermutation();
lightShaftsEffectBuilder.InstantiatePermutation();
return;
}
Parameters.AddSources(ViewParameters);
Parameters.Set(RenderTargetKeys.DepthStencilSource, DepthStencil.Texture);
Parameters.Set(TexturingKeys.Sampler, GraphicsDevice.SamplerStates.PointClamp);
// BoundingBox prepass
var gbufferDesc = RenderTarget.Description;
var bbRenderTarget = Texture2D.New(GraphicsDevice, gbufferDesc.Width / 8, gbufferDesc.Height / 8, PixelFormat.R32G32_Float, TextureFlags.ShaderResource | TextureFlags.RenderTarget);
// Use MinMax Plugin
bbRenderTargetPlugin.RenderTarget = bbRenderTarget.ToRenderTarget();
bbRenderTargetPlugin.Parameters.AddSources(Parameters);
bbRenderTargetPlugin.Apply();
EffectOld minMaxEffect = minMaxEffectBuilder.InstantiatePermutation();
// Add meshes
foreach (var bbMeshData in BoundingBoxes)
{
// Mesh for MinPass
var bbMesh = new EffectMesh(minMaxEffect, bbMeshData).KeepAliveBy(this);
// Add mesh
// boundingBoxPass.AddPass(bbMesh.EffectMeshPasses[0].EffectPass);
RenderSystem.GlobalMeshes.AddMesh(bbMesh);
}
// MinMax render target
var minMaxRenderTarget = Texture2D.New(GraphicsDevice, 256, 256, PixelFormat.R32G32_Float, TextureFlags.ShaderResource | TextureFlags.RenderTarget);
minMaxPass.Parameters = new ParameterCollection(null);
minMaxPass.Parameters.AddSources(ShadowMap.Parameters);
minMaxPass.Parameters.AddSources(Parameters);
minMaxPass.Parameters.AddDynamic(PostEffectMinMaxKeys.MinMaxCoords, ParameterDynamicValue.New(LightingPlugin.CascadeTextureCoords, (ref Vector4[] cascadeTextureCoords, ref Vector4 output) =>
{
output = cascadeTextureCoords[0];
}, autoCheckDependencies: false));
EffectOld minmaxEffect = minmaxEffectBuilder.InstantiatePermutation();
var minMaxMesh = new EffectMesh(minmaxEffect).KeepAliveBy(this);
minMaxMesh.Parameters.Set(RenderTargetKeys.RenderTarget, minMaxRenderTarget.ToRenderTarget());
RenderSystem.GlobalMeshes.AddMesh(minMaxMesh);
// Light Shafts effect
var blendStateDesc = new BlendStateDescription();
blendStateDesc.SetDefaults();
blendStateDesc.AlphaToCoverageEnable = false;
blendStateDesc.IndependentBlendEnable = false;
blendStateDesc.RenderTargets[0].BlendEnable = true;
blendStateDesc.RenderTargets[0].AlphaBlendFunction = BlendFunction.Add;
blendStateDesc.RenderTargets[0].AlphaSourceBlend = Blend.One;
blendStateDesc.RenderTargets[0].AlphaDestinationBlend = Blend.One;
blendStateDesc.RenderTargets[0].ColorBlendFunction = BlendFunction.Add;
blendStateDesc.RenderTargets[0].ColorSourceBlend = Blend.One;
blendStateDesc.RenderTargets[0].ColorDestinationBlend = Blend.One;
blendStateDesc.RenderTargets[0].ColorWriteChannels = ColorWriteChannels.All;
var additiveBlending = BlendState.New(GraphicsDevice, blendStateDesc);
additiveBlending.Name = "LightShaftAdditiveBlend";
var shaftRenderTarget = useUpScaling ? Texture2D.New(GraphicsDevice, gbufferDesc.Width / 2, gbufferDesc.Height / 2, PixelFormat.R16G16B16A16_Float, TextureFlags.ShaderResource | TextureFlags.RenderTarget).ToRenderTarget() : RenderTarget;
lightShaftPass.Parameters = new ParameterCollection();
lightShaftPass.Parameters.AddSources(ShadowMap.Parameters);
lightShaftPass.Parameters.AddSources(Parameters);
this.lightShaftsEffect = lightShaftsEffectBuilder.InstantiatePermutation();
var mesh = new EffectMesh(lightShaftsEffect).KeepAliveBy(this);
mesh.Parameters.Set(TexturingKeys.Texture0, minMaxRenderTarget);
mesh.Parameters.Set(TexturingKeys.Texture1, bbRenderTarget);
mesh.Parameters.Set(RenderTargetKeys.RenderTarget, shaftRenderTarget);
if (!useUpScaling)
{
mesh.Parameters.Set(EffectPlugin.BlendStateKey, additiveBlending);
}
RenderSystem.GlobalMeshes.AddMesh(mesh);
// Bilateral Gaussian filtering for up-sampling
if (useUpScaling)
{
var bbRenderTargetUpScaleH = Texture2D.New(GraphicsDevice, gbufferDesc.Width, gbufferDesc.Height / 2, PixelFormat.R16G16B16A16_Float, TextureFlags.ShaderResource | TextureFlags.RenderTarget);
var bbRenderTargetUpScaleV = RenderTarget;
//var bbRenderTargetUpScaleV = GraphicsDevice.RenderTarget2D.New(gbufferDesc.Width, gbufferDesc.Height, PixelFormat.HalfVector4);
var blurEffects = new EffectOld[] {
this.EffectSystemOld.BuildEffect("BilateralGaussianFiltering")
.Using(new PostEffectSeparateShaderPlugin())
.Using(new BasicShaderPlugin(new ShaderClassSource("PostEffectBilateralGaussian", 0))),
this.EffectSystemOld.BuildEffect("BilateralGaussianFiltering")
.Using(new StateShaderPlugin()
{
UseBlendState = true
})
.Using(new PostEffectSeparateShaderPlugin())
.Using(new BasicShaderPlugin(new ShaderClassSource("PostEffectBilateralGaussian", 1))),
};
Texture2D textureSourceH = (Texture2D)shaftRenderTarget.Texture;
Texture2D textureSourceV = bbRenderTargetUpScaleH;
RenderTarget renderTargetH = bbRenderTargetUpScaleH.ToRenderTarget();
RenderTarget renderTargetV = bbRenderTargetUpScaleV;
var blurQuadMesh = new EffectMesh[2];
for (int i = 0; i < 2; ++i)
{
blurQuadMesh[i] = new EffectMesh(blurEffects[i]).KeepAliveBy(this);
filterUpscalePass.AddPass(blurQuadMesh[i].EffectPass);
RenderSystem.GlobalMeshes.AddMesh(blurQuadMesh[i]);
}
blurQuadMesh[0].Parameters.Set(TexturingKeys.Texture0, textureSourceH);
blurQuadMesh[1].Parameters.Set(TexturingKeys.Texture0, textureSourceV);
blurQuadMesh[0].Parameters.Set(RenderTargetKeys.RenderTarget, renderTargetH);
blurQuadMesh[1].Parameters.Set(RenderTargetKeys.RenderTarget, renderTargetV);
// Additive blending for 2nd render target
blurQuadMesh[1].Parameters.Set(EffectPlugin.BlendStateKey, additiveBlending);
}
}
public override void Initialize()
{
base.Initialize();
boundingBoxPass = new RenderPass("BoundingBoxPass");
minMaxPass = new RenderPass("MinmaxPass");
lightShaftPass = new RenderPass("LightShaftPass");
filterUpscalePass = new RenderPass("UpscalePass");
RenderPass.AddPass(boundingBoxPass, minMaxPass, lightShaftPass, filterUpscalePass);
var useUpScaling = false;
var bbRenderTargetPlugin = new RenderTargetsPlugin("BoundingBoxRenderTargetPlugin")
{
EnableSetTargets = true,
EnableClearTarget = true,
RenderPass = boundingBoxPass,
Services = Services,
};
var minMaxEffectBuilder = this.EffectSystemOld.BuildEffect("MinMax")
.Using(new MinMaxShaderPlugin("MinMaxShaderPlugin") { RenderPassPlugin = bbRenderTargetPlugin })
.Using(new BasicShaderPlugin("TransformationWVP") { RenderPassPlugin = bbRenderTargetPlugin });
var minmaxEffectBuilder = this.EffectSystemOld.BuildEffect("LightShaftsMinMax")
.Using(new PostEffectSeparateShaderPlugin() { RenderPass = minMaxPass })
.Using(new BasicShaderPlugin("ForwardShadowMapBase") { RenderPass = minMaxPass })
.Using(new BasicShaderPlugin(new ShaderClassSource("PostEffectMinMax", "ShadowMapUtils.shadowMapTexture", "PointSampler", 4, 4, 0.0, 1.0)) { RenderPass = minMaxPass });
var lightShaftsEffectBuilder = this.EffectSystemOld.BuildEffect("LightShafts")
.Using(new PostEffectSeparateShaderPlugin() { RenderPass = lightShaftPass })
.Using(new StateShaderPlugin() { UseBlendState = !useUpScaling, RenderPass = lightShaftPass })
//.Using(new BasicShaderPlugin(new ShaderClassSource("PostEffectLightShafts", Debug ? 1 : 0, RenderContext.IsZReverse ? 1 : 0, StepCount)) { RenderPass = lightShaftPass });
.Using(new BasicShaderPlugin(new ShaderClassSource("PostEffectLightShafts", Debug ? 1 : 0, false ? 1 : 0, StepCount)) { RenderPass = lightShaftPass });
if (OfflineCompilation)
{
minMaxEffectBuilder.InstantiatePermutation();
minmaxEffectBuilder.InstantiatePermutation();
lightShaftsEffectBuilder.InstantiatePermutation();
return;
}
Parameters.AddSources(ViewParameters);
Parameters.Set(RenderTargetKeys.DepthStencilSource, DepthStencil.Texture);
Parameters.Set(TexturingKeys.Sampler, GraphicsDevice.SamplerStates.PointClamp);
// BoundingBox prepass
var gbufferDesc = RenderTarget.Description;
var bbRenderTarget = Texture.New2D(GraphicsDevice, gbufferDesc.Width / 8, gbufferDesc.Height / 8, PixelFormat.R32G32_Float, TextureFlags.ShaderResource | TextureFlags.RenderTarget);
// Use MinMax Plugin
bbRenderTargetPlugin.RenderTarget = bbRenderTarget.ToRenderTarget();
bbRenderTargetPlugin.Parameters.AddSources(Parameters);
bbRenderTargetPlugin.Apply();
EffectOld minMaxEffect = minMaxEffectBuilder.InstantiatePermutation();
// Add meshes
foreach (var bbMeshData in BoundingBoxes)
{
// Mesh for MinPass
var bbMesh = new EffectMesh(minMaxEffect, bbMeshData).KeepAliveBy(this);
// Add mesh
// boundingBoxPass.AddPass(bbMesh.EffectMeshPasses[0].EffectPass);
RenderSystem.GlobalMeshes.AddMesh(bbMesh);
}
// MinMax render target
var minMaxRenderTarget = Texture.New2D(GraphicsDevice, 256, 256, PixelFormat.R32G32_Float, TextureFlags.ShaderResource | TextureFlags.RenderTarget);
minMaxPass.Parameters = new ParameterCollection(null);
minMaxPass.Parameters.AddSources(ShadowMap.Parameters);
minMaxPass.Parameters.AddSources(Parameters);
minMaxPass.Parameters.AddDynamic(PostEffectMinMaxKeys.MinMaxCoords, ParameterDynamicValue.New(LightingPlugin.CascadeTextureCoords, (ref Vector4[] cascadeTextureCoords, ref Vector4 output) =>
{
output = cascadeTextureCoords[0];
}, autoCheckDependencies: false));
EffectOld minmaxEffect = minmaxEffectBuilder.InstantiatePermutation();
var minMaxMesh = new EffectMesh(minmaxEffect).KeepAliveBy(this);
minMaxMesh.Parameters.Set(RenderTargetKeys.RenderTarget, minMaxRenderTarget.ToRenderTarget());
RenderSystem.GlobalMeshes.AddMesh(minMaxMesh);
// Light Shafts effect
var blendStateDesc = new BlendStateDescription();
blendStateDesc.SetDefaults();
blendStateDesc.AlphaToCoverageEnable = false;
blendStateDesc.IndependentBlendEnable = false;
blendStateDesc.RenderTargets[0].BlendEnable = true;
blendStateDesc.RenderTargets[0].AlphaBlendFunction = BlendFunction.Add;
blendStateDesc.RenderTargets[0].AlphaSourceBlend = Blend.One;
blendStateDesc.RenderTargets[0].AlphaDestinationBlend = Blend.One;
blendStateDesc.RenderTargets[0].ColorBlendFunction = BlendFunction.Add;
blendStateDesc.RenderTargets[0].ColorSourceBlend = Blend.One;
blendStateDesc.RenderTargets[0].ColorDestinationBlend = Blend.One;
blendStateDesc.RenderTargets[0].ColorWriteChannels = ColorWriteChannels.All;
var additiveBlending = BlendState.New(GraphicsDevice, blendStateDesc);
additiveBlending.Name = "LightShaftAdditiveBlend";
var shaftRenderTarget = useUpScaling ? Texture.New2D(GraphicsDevice, gbufferDesc.Width / 2, gbufferDesc.Height / 2, PixelFormat.R16G16B16A16_Float, TextureFlags.ShaderResource | TextureFlags.RenderTarget).ToRenderTarget() : RenderTarget;
lightShaftPass.Parameters = new ParameterCollection();
lightShaftPass.Parameters.AddSources(ShadowMap.Parameters);
lightShaftPass.Parameters.AddSources(Parameters);
this.lightShaftsEffect = lightShaftsEffectBuilder.InstantiatePermutation();
var mesh = new EffectMesh(lightShaftsEffect).KeepAliveBy(this);
mesh.Parameters.Set(TexturingKeys.Texture0, minMaxRenderTarget);
mesh.Parameters.Set(TexturingKeys.Texture1, bbRenderTarget);
mesh.Parameters.Set(RenderTargetKeys.RenderTarget, shaftRenderTarget);
if (!useUpScaling)
{
mesh.Parameters.Set(EffectPlugin.BlendStateKey, additiveBlending);
}
RenderSystem.GlobalMeshes.AddMesh(mesh);
// Bilateral Gaussian filtering for up-sampling
if (useUpScaling)
{
var bbRenderTargetUpScaleH = Texture.New2D(GraphicsDevice, gbufferDesc.Width, gbufferDesc.Height / 2, PixelFormat.R16G16B16A16_Float, TextureFlags.ShaderResource | TextureFlags.RenderTarget);
var bbRenderTargetUpScaleV = RenderTarget;
//var bbRenderTargetUpScaleV = GraphicsDevice.RenderTarget2D.New(gbufferDesc.Width, gbufferDesc.Height, PixelFormat.HalfVector4);
var blurEffects = new EffectOld[] {
this.EffectSystemOld.BuildEffect("BilateralGaussianFiltering")
.Using(new PostEffectSeparateShaderPlugin())
.Using(new BasicShaderPlugin( new ShaderClassSource("PostEffectBilateralGaussian", 0))),
this.EffectSystemOld.BuildEffect("BilateralGaussianFiltering")
.Using(new StateShaderPlugin() { UseBlendState = true })
.Using(new PostEffectSeparateShaderPlugin())
.Using(new BasicShaderPlugin( new ShaderClassSource("PostEffectBilateralGaussian", 1))),
};
Texture2D textureSourceH = (Texture2D)shaftRenderTarget.Texture;
Texture2D textureSourceV = bbRenderTargetUpScaleH;
RenderTarget renderTargetH = bbRenderTargetUpScaleH.ToRenderTarget();
RenderTarget renderTargetV = bbRenderTargetUpScaleV;
var blurQuadMesh = new EffectMesh[2];
for (int i = 0; i < 2; ++i)
{
blurQuadMesh[i] = new EffectMesh(blurEffects[i]).KeepAliveBy(this);
filterUpscalePass.AddPass(blurQuadMesh[i].EffectPass);
RenderSystem.GlobalMeshes.AddMesh(blurQuadMesh[i]);
}
blurQuadMesh[0].Parameters.Set(TexturingKeys.Texture0, textureSourceH);
blurQuadMesh[1].Parameters.Set(TexturingKeys.Texture0, textureSourceV);
blurQuadMesh[0].Parameters.Set(RenderTargetKeys.RenderTarget, renderTargetH);
blurQuadMesh[1].Parameters.Set(RenderTargetKeys.RenderTarget, renderTargetV);
// Additive blending for 2nd render target
blurQuadMesh[1].Parameters.Set(EffectPlugin.BlendStateKey, additiveBlending);
}
}
