public static PassDescriptor GenerateTransparentDepthPrepass(bool supportLighting)
{
return(new PassDescriptor
{
// Definition
displayName = "TransparentDepthPrepass",
referenceName = "SHADERPASS_DEPTH_ONLY",
lightMode = "TransparentDepthPrepass",
useInPreview = true,
validPixelBlocks = new BlockFieldDescriptor[]
{
BlockFields.SurfaceDescription.Alpha,
HDBlockFields.SurfaceDescription.AlphaClipThresholdDepthPrepass,
HDBlockFields.SurfaceDescription.DepthOffset,
BlockFields.SurfaceDescription.NormalTS,
BlockFields.SurfaceDescription.NormalWS,
BlockFields.SurfaceDescription.NormalOS,
BlockFields.SurfaceDescription.Smoothness,
},
// Collections
requiredFields = TransparentDepthPrepassFields,
renderStates = GenerateRenderState(),
pragmas = CorePragmas.DotsInstancedInV1AndV2,
defines = GenerateDefines(),
keywords = CoreKeywords.HDBase,
includes = GenerateIncludes(),
});
DefineCollection GenerateDefines()
{
var defines = new DefineCollection {
{ RayTracingNode.GetRayTracingKeyword(), 0 }
};
if (supportLighting)
{
defines.Add(CoreKeywordDescriptors.WriteNormalBufferDefine, 1, new FieldCondition(HDFields.DisableSSRTransparent, false));
}
return(defines);
}
RenderStateCollection GenerateRenderState()
{
var renderState = new RenderStateCollection
{
{ RenderState.Blend(Blend.One, Blend.Zero) },
{ RenderState.Cull(CoreRenderStates.Uniforms.cullMode) },
{ RenderState.ZWrite(ZWrite.On) },
{ RenderState.Stencil(new StencilDescriptor()
{
WriteMask = CoreRenderStates.Uniforms.stencilWriteMaskDepth,
Ref = CoreRenderStates.Uniforms.stencilRefDepth,
Comp = "Always",
Pass = "******",
}) },
};
if (!supportLighting)
{
renderState.Add(RenderState.ColorMask("ColorMask [_ColorMaskNormal]"));
renderState.Add(RenderState.ColorMask("ColorMask 0 1"));
}
return(renderState);
}
IncludeCollection GenerateIncludes()
{
var includes = new IncludeCollection();
includes.Add(CoreIncludes.CorePregraph);
if (supportLighting)
{
includes.Add(CoreIncludes.kNormalSurfaceGradient, IncludeLocation.Pregraph);
}
includes.Add(CoreIncludes.kPassPlaceholder, IncludeLocation.Pregraph);
includes.Add(CoreIncludes.CoreUtility);
if (supportLighting)
{
includes.Add(CoreIncludes.kDecalUtilities, IncludeLocation.Pregraph);
includes.Add(CoreIncludes.kPostDecalsPlaceholder, IncludeLocation.Pregraph);
}
includes.Add(CoreIncludes.kShaderGraphFunctions, IncludeLocation.Pregraph);
includes.Add(CoreIncludes.kPassDepthOnly, IncludeLocation.Postgraph);
return(includes);
}
}
public static PassDescriptor GenerateMotionVectors(bool supportLighting, bool supportForward)
{
return(new PassDescriptor
{
// Definition
displayName = "MotionVectors",
referenceName = "SHADERPASS_MOTION_VECTORS",
lightMode = "MotionVectors",
useInPreview = false,
// Collections
requiredFields = CoreRequiredFields.LitFull,
renderStates = GenerateRenderState(),
defines = GenerateDefines(),
pragmas = CorePragmas.DotsInstancedInV2Only,
keywords = GenerateKeywords(),
includes = GenerateIncludes(),
});
DefineCollection GenerateDefines()
{
if (!supportLighting)
{
return(null);
}
var defines = new DefineCollection
{
{ RayTracingNode.GetRayTracingKeyword(), 0 },
};
// #define WRITE_NORMAL_BUFFER for forward
if (supportForward)
{
defines.Add(CoreKeywordDescriptors.WriteNormalBuffer, 1);
}
return(defines);
}
RenderStateCollection GenerateRenderState()
{
var renderState = new RenderStateCollection();
renderState.Add(CoreRenderStates.MotionVectors);
if (!supportLighting)
{
renderState.Add(RenderState.ColorMask("ColorMask [_ColorMaskNormal] 1"));
renderState.Add(RenderState.ColorMask("ColorMask 0 2"));
}
return(renderState);
}
KeywordCollection GenerateKeywords()
{
var keywords = new KeywordCollection
{
{ CoreKeywords.HDBase },
{ CoreKeywordDescriptors.WriteMsaaDepth },
{ CoreKeywordDescriptors.AlphaToMask, new FieldCondition(Fields.AlphaToMask, true) },
};
// #pragma multi_compile _ WRITE_NORMAL_BUFFER for deferred
if (supportLighting && !supportForward)
{
keywords.Add(CoreKeywordDescriptors.WriteNormalBuffer);
}
return(keywords);
}
IncludeCollection GenerateIncludes()
{
var includes = new IncludeCollection();
includes.Add(CoreIncludes.CorePregraph);
if (supportLighting)
{
includes.Add(CoreIncludes.kNormalSurfaceGradient, IncludeLocation.Pregraph);
}
includes.Add(CoreIncludes.kPassPlaceholder, IncludeLocation.Pregraph);
includes.Add(CoreIncludes.CoreUtility);
if (supportLighting)
{
includes.Add(CoreIncludes.kDecalUtilities, IncludeLocation.Pregraph);
includes.Add(CoreIncludes.kPostDecalsPlaceholder, IncludeLocation.Pregraph);
}
includes.Add(CoreIncludes.kShaderGraphFunctions, IncludeLocation.Pregraph);
includes.Add(CoreIncludes.kPassMotionVectors, IncludeLocation.Postgraph);
return(includes);
}
}
