public override void Load()
{
base.Load();
if (OfflineCompilation)
{
return;
}
// Declare post render pass
PostPass = new RenderPass("PostPass").KeepAliveBy(ActiveObjects);
RenderPass.AddPass(PostPass);
var depthStencilTexture = Texture.New2D(GraphicsDevice, AtlasSize, AtlasSize, PixelFormat.D32_Float, TextureFlags.DepthStencil | TextureFlags.ShaderResource).KeepAliveBy(ActiveObjects);
var depthStencilBuffer = depthStencilTexture.ToDepthStencilBuffer(false);
ShadowMapDepth = depthStencilBuffer;
//MainTargetPlugin.Parameters.Set(ShadowMapKeys.Texture0, ShadowMapDepth);
// Setup clear of this target
var renderTargetPlugin = new RenderTargetsPlugin
{
Services = Services,
EnableClearDepth = true,
EnableSetTargets = false,
RenderPass = RenderPass,
RenderTarget = null,
DepthStencil = depthStencilBuffer,
};
renderTargetPlugin.Apply();
// Use Default ZTest for GBuffer
depthStencilStateZStandard = DepthStencilState.New(GraphicsDevice, new DepthStencilStateDescription().Default()).KeepAliveBy(ActiveObjects);
depthStencilStateZStandard.Name = "ZStandard";
Parameters.Set(EffectPlugin.DepthStencilStateKey, depthStencilStateZStandard);
casterRasterizerState = RasterizerState.New(GraphicsDevice, new RasterizerStateDescription(CullMode.Back)).KeepAliveBy(ActiveObjects);
// Variance Shadow Mapping
// Create the blur temporary texture
var shadowMapTextureDesc = ShadowMapDepth.Description;
var shadowMapBlurH = Texture.New2D(GraphicsDevice, shadowMapTextureDesc.Width, shadowMapTextureDesc.Height, PixelFormat.R32G32_Float, TextureFlags.ShaderResource | TextureFlags.RenderTarget).KeepAliveBy(ActiveObjects);
var shadowMapBlurV = Texture.New2D(GraphicsDevice, shadowMapTextureDesc.Width, shadowMapTextureDesc.Height, PixelFormat.R32G32_Float, TextureFlags.ShaderResource | TextureFlags.RenderTarget).KeepAliveBy(ActiveObjects);
Texture2D textureSourceH = ShadowMapDepth.Texture;
Texture2D textureSourceV = shadowMapBlurH;
RenderTarget renderTargetH = shadowMapBlurH.ToRenderTarget();
RenderTarget renderTargetV = shadowMapBlurV.ToRenderTarget();
var blurQuadMesh = new EffectMesh[2];
for (int j = 0; j < BlurCount; j++)
{
for (int i = 0; i < 2; ++i)
{
blurQuadMesh[i] = new EffectMesh(j > 0 ? blurEffects[1] : blurEffects[i]).KeepAliveBy(ActiveObjects);
blurQuadMesh[i].Parameters.Set(PostEffectBlurKeys.Coefficients, new[] { 0.2270270270f, 0.3162162162f, 0.3162162162f, 0.0702702703f, 0.0702702703f });
var unit = i == 0 ? Vector2.UnitX : Vector2.UnitY;
blurQuadMesh[i].Parameters.Set(PostEffectBlurKeys.Offsets, new[] { Vector2.Zero, unit * -1.3846153846f, unit * +1.3846153846f, unit * -3.2307692308f, unit * +3.2307692308f });
PostPass.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);
textureSourceH = shadowMapBlurV;
textureSourceV = shadowMapBlurH;
}
ShadowMapVsm = shadowMapBlurV;
// Final texture for VSM is result of blur
//MainTargetPlugin.Parameters.Set(ShadowMapKeys.Texture0, shadowMapBlurV);
}
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 Load()
{
base.Load();
RenderPass.AddPass(boundingBoxPass, heatShimmerPass, heatShimmerComposePass);
// Use MinMax Plugin
var bbRenderTargetPlugin = new RenderTargetsPlugin("BoundingBoxRenderTargetPlugin")
{
EnableSetTargets = true,
EnableClearTarget = true,
RenderTarget = null,
RenderPass = boundingBoxPass,
Services = Services
};
bbRenderTargetPlugin.Apply();
Parameters.AddSources(ViewParameters);
Parameters.SetDefault(RenderTargetKeys.DepthStencilSource);
Parameters.SetDefault(TexturingKeys.Sampler);
bbRenderTargetPlugin.Parameters.AddSources(Parameters);
EffectOld minMaxEffect = this.EffectSystemOld.BuildEffect("MinMax")
.Using(new MinMaxShaderPlugin("MinMaxShaderPlugin")
{
RenderPassPlugin = bbRenderTargetPlugin
})
.Using(new BasicShaderPlugin("TransformationWVP")
{
RenderPassPlugin = bbRenderTargetPlugin
})
.KeepAliveBy(ActiveObjects)
.InstantiatePermutation()
.KeepAliveBy(ActiveObjects);
heatShimmerPass.Parameters = new ParameterCollection();
heatShimmerPass.Parameters.AddSources(Parameters);
heatShimmerPass.Parameters.AddSources(NoisePlugin.Parameters);
EffectOld heatShimmerEffect = this.EffectSystemOld.BuildEffect("HeatShimmer")
.Using(new PostEffectSeparateShaderPlugin()
{
RenderPass = heatShimmerPass
})
.Using(
new BasicShaderPlugin(
new ShaderMixinSource()
{
Mixins = new List <ShaderClassSource>()
{
// TODO add support for IsZReverse
//new ShaderClassSource("PostEffectHeatShimmer", Debug ? 1 : 0, effectSystemOld.IsZReverse ? 1 : 0, 3),
new ShaderClassSource("PostEffectHeatShimmer", Debug ? 1 : 0, false ? 1 : 0, 3)
},
Compositions = new Dictionary <string, ShaderSource>()
{
{ "NoiseSource", new ShaderClassSource("SimplexNoise") }
},
}
)
{
RenderPass = heatShimmerPass
})
.KeepAliveBy(ActiveObjects)
.InstantiatePermutation()
.KeepAliveBy(ActiveObjects);
EffectOld heatShimmerDisplayEffect = this.EffectSystemOld.BuildEffect("HeatShimmer")
.Using(new PostEffectSeparateShaderPlugin()
{
RenderPass = heatShimmerComposePass
})
.Using(new BasicShaderPlugin(new ShaderClassSource("PostEffectHeatShimmerDisplay", Debug ? 1 : 0))
{
RenderPass = heatShimmerComposePass
})
.KeepAliveBy(ActiveObjects)
.InstantiatePermutation()
.KeepAliveBy(ActiveObjects);
if (OfflineCompilation)
{
return;
}
Parameters.Set(RenderTargetKeys.DepthStencilSource, DepthStencil.Texture);
Parameters.Set(TexturingKeys.Sampler, GraphicsDevice.SamplerStates.PointClamp);
// ------------------------------------------
// BoundingBox prepass
// ------------------------------------------
var renderTargetDesc = RenderSource.Description;
var bbRenderTarget = Texture2D.New(GraphicsDevice, renderTargetDesc.Width, renderTargetDesc.Height, PixelFormat.R32G32_Float, TextureFlags.ShaderResource | TextureFlags.RenderTarget).KeepAliveBy(ActiveObjects);
bbRenderTargetPlugin.RenderTarget = bbRenderTarget.ToRenderTarget();
// Add meshes
foreach (var bbMeshData in BoundingBoxes)
{
// Mesh for MinPass
var bbMesh = new EffectMesh(minMaxEffect, bbMeshData).KeepAliveBy(ActiveObjects);
// Add mesh
// boundingBoxPass.AddPass(bbMesh.EffectMeshPasses[0].EffectPass);
effectMeshes.Add(bbMesh);
RenderSystem.GlobalMeshes.AddMesh(bbMesh);
}
// ------------------------------------------
// Heat Compute
// ------------------------------------------
var shimmerTexture = Texture2D.New(GraphicsDevice, renderTargetDesc.Width, renderTargetDesc.Height, PixelFormat.R8_UNorm, TextureFlags.ShaderResource | TextureFlags.RenderTarget);
var shimmerRenderTarget = shimmerTexture.ToRenderTarget();
heatShimmerPass.StartPass += context => context.GraphicsDevice.Clear(shimmerRenderTarget, Color.Black);
var quadMesh = new EffectMesh(heatShimmerEffect).KeepAliveBy(ActiveObjects);
quadMesh.Parameters.Set(TexturingKeys.Texture1, bbRenderTarget);
quadMesh.Parameters.Set(RenderTargetKeys.RenderTarget, shimmerRenderTarget);
effectMeshes.Add(quadMesh);
RenderSystem.GlobalMeshes.AddMesh(quadMesh);
// ------------------------------------------
// Heat display
// ------------------------------------------
quadMesh = new EffectMesh(heatShimmerDisplayEffect).KeepAliveBy(ActiveObjects);
quadMesh.Parameters.Set(TexturingKeys.Texture0, RenderSource);
quadMesh.Parameters.Set(TexturingKeys.Texture1, shimmerTexture);
quadMesh.Parameters.Set(RenderTargetKeys.RenderTarget, RenderTarget);
effectMeshes.Add(quadMesh);
RenderSystem.GlobalMeshes.AddMesh(quadMesh);
}