public override void GenerateShader(MaterialGeneratorContext context)
{
var shaderSource = new ShaderMixinSource();
shaderSource.Mixins.Add(new ShaderClassSource("MaterialSurfaceSubsurfaceScatteringShading"));
TranslucencyMap.ClampFloat(0.0f, 1.0f);
context.SetStream(ScatteringStrengthStream.Stream, TranslucencyMap, MaterialKeys.ScatteringStrengthMap, MaterialKeys.ScatteringStrengthValue);
// TODO: Generate a hash with the scattering kernel and scattering width!
var parameters = context.MaterialPass.Parameters;
parameters.Set(Stride.Rendering.Materials.MaterialSurfaceSubsurfaceScatteringShadingKeys.Translucency, Translucency);
parameters.Set(Stride.Rendering.Materials.MaterialSurfaceSubsurfaceScatteringShadingKeys.ScatteringWidth, ScatteringWidth);
// Generate and set the scattering profile:
shaderSource.AddComposition("scatteringProfileFunction", ProfileFunction.Generate(context));
// Generate and set the scattering kernel:
Vector4[] scatteringKernel = KernelFunction.Generate();
parameters.Set(Stride.Rendering.Materials.MaterialSurfaceSubsurfaceScatteringShadingKeys.ScatteringKernel, scatteringKernel);
/*
* {
* Game game = Services.GetSafeServiceAs<Game>();
* SubsurfaceScatteringSettings settings = game.Settings.Configurations.Get<SubsurfaceScatteringSettings>();
* //SubsurfaceScatteringSettings settings = services.GetSafeServiceAs<SubsurfaceScatteringSettings>(); // TODO: Query the settings like this once the system is ready.
* }
*/
var shaderBuilder = context.AddShading(this);
shaderBuilder.LightDependentSurface = shaderSource;
}
public override void GenerateShader(MaterialGeneratorContext context)
{
var shaderSource = new ShaderMixinSource();
shaderSource.Mixins.Add(new ShaderClassSource("MaterialSurfaceShadingSpecularCelShading"));
GenerateShaderCompositions(context, shaderSource);
var shaderBuilder = context.AddShading(this);
shaderBuilder.LightDependentSurface = shaderSource;
}
public override void GenerateShader(MaterialGeneratorContext context)
{
var shaderSource = new ShaderMixinSource();
shaderSource.Mixins.Add(new ShaderClassSource("MaterialSurfaceShadingDiffuseCelShading", IsEnergyConservative, FakeNDotL));
if (RampFunction != null)
{
shaderSource.AddComposition("celLightFunction", RampFunction.Generate(context));
}
var shaderBuilder = context.AddShading(this);
shaderBuilder.LightDependentSurface = shaderSource;
}
public override void GenerateShader(MaterialGeneratorContext context)
{
Vector4 emissiveMin = Vector4.Zero;
Vector4 emissiveMax = new Vector4(float.MaxValue);
EmissiveMap.ClampFloat4(ref emissiveMin, ref emissiveMax);
Intensity.ClampFloat(0, float.MaxValue);
context.SetStream(EmissiveStream.Stream, EmissiveMap, MaterialKeys.EmissiveMap, MaterialKeys.EmissiveValue);
context.SetStream("matEmissiveIntensity", Intensity, MaterialKeys.EmissiveIntensityMap, MaterialKeys.EmissiveIntensity);
var shaderBuilder = context.AddShading(this);
shaderBuilder.ShaderSources.Add(new ShaderClassSource("MaterialSurfaceEmissiveShading", UseAlpha));
}
public override void GenerateShader(MaterialGeneratorContext context)
{
// TODO: Look through the compositions and don't add the discard mixin if it has already been added?
// TODO: That doesn't seem to work well because the diffuse shader doesn't get recreated when the specular one is being recreated... unless I'm wrong about that.
var shaderSource = new ShaderMixinSource();
shaderSource.Mixins.Add(new ShaderClassSource("MaterialSurfaceShadingSpecularHair", (int)ShadingModel, DebugRenderPasses));
shaderSource.AddComposition("hairLightAttenuationFunction", LightAttenuationFunction.Generate(context));
shaderSource.AddComposition("hairDirectionFunction", HairDirectionFunction.Generate(context));
shaderSource.AddComposition("hairShadowingFunction", HairShadowingFunction.Generate(context));
shaderSource.AddComposition("environmentFunction", Environment.Generate(context));
AddSpecularHighlightsShiftNoiseTexture(context, shaderSource);
AddSecondarySpecularGlintsNoiseTexture(context, shaderSource);
HairShared.SetMaterialPassParameters(context, shaderSource, AlphaThreshold); // Set the rendering parameters and generate the pass-dependent compositions.
// Set the additional parameters used only in the specular shading model:
var parameters = context.MaterialPass.Parameters;
parameters.Set(MaterialSurfaceShadingSpecularHairKeys.HairScalesAngle, MathUtil.DegreesToRadians(ScalesAngle));
parameters.Set(MaterialSurfaceShadingSpecularHairKeys.HairSpecularShiftRatio, SpecularShiftRatio);
parameters.Set(MaterialSurfaceShadingSpecularHairKeys.HairSpecularColor1, SpecularColor1);
parameters.Set(MaterialSurfaceShadingSpecularHairKeys.HairSpecularColor2, SpecularColor2);
parameters.Set(MaterialSurfaceShadingSpecularHairKeys.HairSpecularExponent1, SpecularExponent1);
parameters.Set(MaterialSurfaceShadingSpecularHairKeys.HairSpecularExponent2, SpecularExponent2);
parameters.Set(MaterialSurfaceShadingSpecularHairKeys.HairSpecularScale1, SpecularScale1);
parameters.Set(MaterialSurfaceShadingSpecularHairKeys.HairSpecularScale2, SpecularScale2);
parameters.Set(MaterialSurfaceShadingSpecularHairKeys.HairShiftNoiseScale, ShiftNoiseScale);
parameters.Set(MaterialSurfaceShadingSpecularHairKeys.HairGlintsNoiseStrength, GlintsNoiseStrength);
parameters.Set(MaterialKeys.UsePixelShaderWithDepthPass, true); // Indicates that the material requries the full pixel shader durin the depth-only passes (Z prepass or shadow map rendering).
if (DebugRenderPasses)
{
parameters.Set(MaterialHairSharedKeys.PassID, context.PassIndex); // For debugging the different hair passes.
}
var shaderBuilder = context.AddShading(this);
shaderBuilder.LightDependentSurface = shaderSource;
}
public override void GenerateShader(MaterialGeneratorContext context)
{
var shaderSource = new ShaderMixinSource();
shaderSource.Mixins.Add(new ShaderClassSource("MaterialSurfaceShadingDiffuseHair", IsEnergyConservative, (int)ShadingModel, DebugRenderPasses));
shaderSource.AddComposition("hairLightAttenuationFunction", LightAttenuationFunction.Generate(context));
shaderSource.AddComposition("hairDirectionFunction", HairDirectionFunction.Generate(context));
shaderSource.AddComposition("hairShadowingFunction", HairShadowingFunction.Generate(context));
HairShared.SetMaterialPassParameters(context, shaderSource, AlphaThreshold); // Set the rendering parameters and generate the pass-dependent compositions.
context.Parameters.Set(MaterialKeys.UsePixelShaderWithDepthPass, true); // Indicates that material requries using the pixel shader stage during the depth-only pass (Z prepass or shadow map rendering).
if (DebugRenderPasses)
{
context.Parameters.Set(MaterialHairSharedKeys.PassID, context.PassIndex); // For debugging the different hair passes.
}
var shaderBuilder = context.AddShading(this);
shaderBuilder.LightDependentSurface = shaderSource;
}
public override void GenerateShader(MaterialGeneratorContext context)
{
var shaderBuilder = context.AddShading(this);
shaderBuilder.LightDependentSurface = new ShaderClassSource("MaterialSurfaceShadingDiffuseLambert", IsEnergyConservative);
}