o3de/Gems/AtomTressFX/Assets/Passes/HairShortCutGeometryShading.pass

{
    "Type": "JsonSerialization",
    "Version": 1,
    "ClassName": "PassAsset",
    "ClassData": {
        "PassTemplate": {
            "Name": "HairShortCutGeometryShadingPassTemplate",
            "PassClass": "HairShortCutGeometryShadingPass",
            "Slots": [

                { // Temporary color buffer to store the gathered shaded hair color - MSAA
                    "Name": "HairColorRenderTarget",
                    "SlotType": "Output",
                    "ScopeAttachmentUsage": "RenderTarget",
                    "LoadStoreAction": {
                        "LoadAction": "Clear",
                        "ClearValue": { // reverse depth order: closer --> 1.0
                            "Value": [ 0.0, 0.0, 0.0, 0.0 ]
                        },
                        "StoreAction": "Store"
                    }
                },

                {
                    // This RT is MSAA - is it cheaper to avoid doing this work and only do a copy at a separate pass?
                    "Name": "RenderTargetInputOutput",
                    "SlotType": "Input",
                    "ScopeAttachmentUsage": "Shader"
                },
                { // Used to get the transform from screen space to world space.
                    "Name": "DepthLinear",
                    "SlotType": "Input",
                    "ScopeAttachmentUsage": "Shader"
                },
                { // Used as the thickness accumulation to block TT (back) lobe lighting
                    "Name": "AccumulatedInverseAlpha",
                    "SlotType": "Input",
                    "ScopeAttachmentUsage": "Shader",
                    "ShaderInputName": "m_accumInvAlpha"
                },
                { // For comparing the depth to early disqualify but not to write
                    "Name": "Depth",
                    "SlotType": "Input",
                    "ScopeAttachmentUsage": "DepthStencil"
                },
                {
                    "Name": "SkinnedHairSharedBuffer",
                    "ShaderInputName": "m_skinnedHairSharedBuffer",
                    "SlotType": "Input",
                    "ScopeAttachmentUsage": "Shader"
                },

                //------------- Shadowing Resources -------------
                {
                    "Name": "DirectionalShadowmap",
                    "ShaderInputName": "m_directionalLightShadowmap",
                    "SlotType": "Input",
                    "ScopeAttachmentUsage": "Shader",
                    "ImageViewDesc": {
                        "IsArray": 1
                    }
                },
                {
                    "Name": "DirectionalESM",
                    "ShaderInputName": "m_directionalLightExponentialShadowmap",
                    "SlotType": "Input",
                    "ScopeAttachmentUsage": "Shader",
                    "ImageViewDesc": {
                        "IsArray": 1
                    }
                },
                {
                    "Name": "ProjectedShadowmap",
                    "ShaderInputName": "m_projectedShadowmaps",
                    "SlotType": "Input",
                    "ScopeAttachmentUsage": "Shader",
                    "ImageViewDesc": {
                        "IsArray": 1
                    }
                },
                {
                    "Name": "ProjectedESM",
                    "ShaderInputName": "m_projectedExponentialShadowmap",
                    "SlotType": "Input",
                    "ScopeAttachmentUsage": "Shader",
                    "ImageViewDesc": {
                        "IsArray": 1
                    }
                },

                //------------- Lighting Resources -------------
                {
                    "Name": "BRDFTextureInput",
                    "ShaderInputName": "m_brdfMap",
                    "SlotType": "Input",
                    "ScopeAttachmentUsage": "Shader"
                },
                {
                    "Name": "TileLightData",
                    "SlotType": "Input",
                    "ShaderInputName": "m_tileLightData",
                    "ScopeAttachmentUsage": "Shader"
                },
                {
                    "Name": "LightListRemapped",
                    "SlotType": "Input",
                    "ShaderInputName": "m_lightListRemapped",
                    "ScopeAttachmentUsage": "Shader"
                }

            ],
            "ImageAttachments": [
                {
                    // The shader hair color render target - important to have at a non-MSAA mode
                    // so that no overwork is done on sampling.
                    "Name": "HairColorImage",
                    "SizeSource": {
                        "Source": {
                            "Pass": "Parent",
                            "Attachment": "RenderTargetInputOutput"
                        }
                    },
                    "ImageDescriptor": {
                        "Format": "R16G16B16A16_FLOAT",
                        "SharedQueueMask": "Graphics",
                        "BindFlags": [
                            "Color",
                            "ShaderRead"
                        ]
                    }
                },
                {
                    "Name": "BRDFTexture",
                    "Lifetime": "Imported",
                    "AssetRef": {
                        "FilePath": "Textures/BRDFTexture.attimage"
                    }
                }
            ],
            "Connections": [
                {
                    "LocalSlot": "BRDFTextureInput",
                    "AttachmentRef": {
                        "Pass": "This",
                        "Attachment": "BRDFTexture"
                    }
                },
                {
                    "LocalSlot": "HairColorRenderTarget",
                    "AttachmentRef": {
                        "Pass": "This",
                        "Attachment": "HairColorImage"
                    }
                }
            ],
            "PassData": {
                "$type": "RasterPassData",
                "DrawListTag": "HairGeometryShadingDrawList",
                "BindViewSrg": true,
                "PassSrgShaderAsset": {
                    // Looking for it in the Shaders directory relative to the Assets directory
                    "FilePath": "Shaders/HairShortCutGeometryShading.shader"
                }
            }
        }
    }
}