diff --git a/Gems/Atom/Feature/Common/Assets/Materials/Types/EnhancedPBR.materialtype b/Gems/Atom/Feature/Common/Assets/Materials/Types/EnhancedPBR.materialtype index 954e01c592..48b576c768 100644 --- a/Gems/Atom/Feature/Common/Assets/Materials/Types/EnhancedPBR.materialtype +++ b/Gems/Atom/Feature/Common/Assets/Materials/Types/EnhancedPBR.materialtype @@ -973,7 +973,7 @@ "displayName": "Heightmap Scale", "description": "The total height of the heightmap in local model units.", "type": "Float", - "defaultValue": 0.0, + "defaultValue": 0.05, "min": 0.0, "softMax": 0.1, "connection": { @@ -1011,7 +1011,7 @@ "description": "Select the algorithm to use for parallax mapping.", "type": "Enum", "enumValues": [ "Basic", "Steep", "POM", "Relief", "ContactRefinement" ], - "defaultValue": "Basic", + "defaultValue": "POM", "connection": { "type": "ShaderOption", "id": "o_parallax_algorithm" diff --git a/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardMultilayerPBR.materialtype b/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardMultilayerPBR.materialtype index 274cb4dcb5..05ba40ddae 100644 --- a/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardMultilayerPBR.materialtype +++ b/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardMultilayerPBR.materialtype @@ -369,15 +369,14 @@ ], "parallax": [ { + // Note parallax is enabled by default so that as soon as a user hooks up displacement settings they will see some parallax applied. + // The functor that controls parallax will set o_parallax_feature_enabled=false when all the individual layers have no displacement, so + // a default value of true here will not have any initial impact on performance. "id": "enable", "displayName": "Enable", "description": "Whether to enable the parallax feature for this material.", "type": "Bool", - "defaultValue": false, - "connection": { - "type": "ShaderOption", - "id": "o_parallax_feature_enabled" - } + "defaultValue": true }, { "id": "parallaxUv", @@ -409,7 +408,7 @@ "description": "Quality of parallax mapping.", "type": "Enum", "enumValues": [ "Low", "Medium", "High", "Ultra" ], - "defaultValue": "Medium", + "defaultValue": "Low", "connection": { "type": "ShaderOption", "id": "o_parallax_quality" @@ -1141,7 +1140,7 @@ "displayName": "Scale", "description": "The total height of the displacement texture map in local model units.", "type": "Float", - "defaultValue": 0.0, + "defaultValue": 0.05, "min": 0.0, "softMax": 0.1, "connection": { @@ -1847,7 +1846,7 @@ "displayName": "Scale", "description": "The total height of the displacement texture map in local model units.", "type": "Float", - "defaultValue": 0.0, + "defaultValue": 0.05, "min": 0.0, "softMax": 0.1, "connection": { @@ -2553,7 +2552,7 @@ "displayName": "Scale", "description": "The total height of the displacement texture map in local model units.", "type": "Float", - "defaultValue": 0.0, + "defaultValue": 0.05, "min": 0.0, "softMax": 0.1, "connection": { diff --git a/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardMultilayerPBR_Displacement.lua b/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardMultilayerPBR_Displacement.lua index 34a067577d..d2bf8f28d3 100644 --- a/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardMultilayerPBR_Displacement.lua +++ b/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardMultilayerPBR_Displacement.lua @@ -35,6 +35,10 @@ function GetMaterialPropertyDependencies() } end +function GetShaderOptionDependencies() + return {"o_parallax_feature_enabled"} +end + -- These values must align with LayerBlendSource in StandardMultilayerPBR_Common.azsli. LayerBlendSource_BlendMaskTexture = 0 LayerBlendSource_BlendMaskVertexColors = 1 @@ -50,6 +54,39 @@ function BlendSourceUsesDisplacement(context) return blendSourceIncludesDisplacement end +function IsParallaxNeededForLayer(context, layerNumber) + local enableLayer = true + if(layerNumber > 1) then -- layer 1 is always enabled, it is the implicit base layer + enableLayer = context:GetMaterialPropertyValue_bool("blend.enableLayer" .. layerNumber) + end + + if not enableLayer then + return false + end + + local parallaxGroupName = "layer" .. layerNumber .. "_parallax." + + local factor = context:GetMaterialPropertyValue_float(parallaxGroupName .. "factor") + local offset = context:GetMaterialPropertyValue_float(parallaxGroupName .. "offset") + + if factor == 0.0 and offset == 0.0 then + return false + end + + local hasTexture = nil ~= context:GetMaterialPropertyValue_Image(parallaxGroupName .. "textureMap") + local useTexture = context:GetMaterialPropertyValue_bool(parallaxGroupName .. "useTexture") + + if not hasTexture or not useTexture then + factorLayer = 0.0 + end + + if factor == 0.0 and offset == 0.0 then + return false + end + + return true +end + -- Calculates the min and max displacement height values encompassing all enabled layers. -- @return a table with two values {min,max}. Negative values are below the surface and positive values are above the surface. function CalcOverallHeightRange(context) @@ -114,21 +151,32 @@ function Process(context) local heightMinMax = CalcOverallHeightRange(context) context:SetShaderConstant_float("m_displacementMin", heightMinMax[0]) context:SetShaderConstant_float("m_displacementMax", heightMinMax[1]) + + local parallaxFeatureEnabled = context:GetMaterialPropertyValue_bool("parallax.enable") + if parallaxFeatureEnabled then + if not IsParallaxNeededForLayer(context, 1) and + not IsParallaxNeededForLayer(context, 2) and + not IsParallaxNeededForLayer(context, 3) then + parallaxFeatureEnabled = false + end + end + + context:SetShaderOptionValue_bool("o_parallax_feature_enabled", parallaxFeatureEnabled) end function ProcessEditor(context) - local enable = context:GetMaterialPropertyValue_bool("parallax.enable") + local enableParallaxSettings = context:GetMaterialPropertyValue_bool("parallax.enable") - local visibility = MaterialPropertyVisibility_Enabled - if(not enable) then - visibility = MaterialPropertyVisibility_Hidden + local parallaxSettingVisibility = MaterialPropertyVisibility_Enabled + if(not enableParallaxSettings) then + parallaxSettingVisibility = MaterialPropertyVisibility_Hidden end - context:SetMaterialPropertyVisibility("parallax.parallaxUv", visibility) - context:SetMaterialPropertyVisibility("parallax.algorithm", visibility) - context:SetMaterialPropertyVisibility("parallax.quality", visibility) - context:SetMaterialPropertyVisibility("parallax.pdo", visibility) - context:SetMaterialPropertyVisibility("parallax.showClipping", visibility) + context:SetMaterialPropertyVisibility("parallax.parallaxUv", parallaxSettingVisibility) + context:SetMaterialPropertyVisibility("parallax.algorithm", parallaxSettingVisibility) + context:SetMaterialPropertyVisibility("parallax.quality", parallaxSettingVisibility) + context:SetMaterialPropertyVisibility("parallax.pdo", parallaxSettingVisibility) + context:SetMaterialPropertyVisibility("parallax.showClipping", parallaxSettingVisibility) if BlendSourceUsesDisplacement(context) then context:SetMaterialPropertyVisibility("blend.displacementBlendDistance", MaterialPropertyVisibility_Enabled) diff --git a/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardPBR.materialtype b/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardPBR.materialtype index 2b0d09bc5c..2d848b2774 100644 --- a/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardPBR.materialtype +++ b/Gems/Atom/Feature/Common/Assets/Materials/Types/StandardPBR.materialtype @@ -913,7 +913,7 @@ "displayName": "Heightmap Scale", "description": "The total height of the heightmap in local model units.", "type": "Float", - "defaultValue": 0.0, + "defaultValue": 0.05, "min": 0.0, "softMax": 0.1, "connection": { @@ -951,7 +951,7 @@ "description": "Select the algorithm to use for parallax mapping.", "type": "Enum", "enumValues": [ "Basic", "Steep", "POM", "Relief", "ContactRefinement" ], - "defaultValue": "Basic", + "defaultValue": "POM", "connection": { "type": "ShaderOption", "id": "o_parallax_algorithm" diff --git a/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/001_ManyFeatures.material b/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/001_ManyFeatures.material index 17353a0603..1c02f56af6 100644 --- a/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/001_ManyFeatures.material +++ b/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/001_ManyFeatures.material @@ -132,7 +132,7 @@ "rotateDegrees": -57.599998474121097 }, "parallax": { - "enable": true + "quality": "Medium" }, "uv": { "center": [ diff --git a/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/002_ParallaxPdo.material b/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/002_ParallaxPdo.material index 8cddab24bc..64adf317a9 100644 --- a/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/002_ParallaxPdo.material +++ b/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/002_ParallaxPdo.material @@ -48,8 +48,8 @@ "textureMap": "TestData/Textures/cc0/Concrete019_1K_Color.jpg" }, "parallax": { - "enable": true, - "pdo": true + "pdo": true, + "quality": "Medium" } } } \ No newline at end of file diff --git a/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/004_UseVertexColors.material b/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/004_UseVertexColors.material index 3201fa3864..ea3ea8b519 100644 --- a/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/004_UseVertexColors.material +++ b/Gems/Atom/TestData/TestData/Materials/StandardMultilayerPbrTestCases/004_UseVertexColors.material @@ -6,6 +6,9 @@ "properties": { "blend": { "blendSource": "BlendMaskVertexColors" + }, + "parallax": { + "quality": "Medium" } } -} +} \ No newline at end of file