Commands/Shaders/Get-OBSCircleMaskFilterShader.ps1
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function Get-OBSCircleMaskFilterShader { [Alias('Set-OBSCircleMaskFilterShader','Add-OBSCircleMaskFilterShader')] param( # Set the Radius of OBSCircleMaskFilterShader [ComponentModel.DefaultBindingProperty('Radius')] [Single] $Radius, # Set the Circle_Offset_X of OBSCircleMaskFilterShader [Alias('Circle_Offset_X')] [ComponentModel.DefaultBindingProperty('Circle_Offset_X')] [Int32] $CircleOffsetX, # Set the Circle_Offset_Y of OBSCircleMaskFilterShader [Alias('Circle_Offset_Y')] [ComponentModel.DefaultBindingProperty('Circle_Offset_Y')] [Int32] $CircleOffsetY, # Set the Source_Offset_X of OBSCircleMaskFilterShader [Alias('Source_Offset_X')] [ComponentModel.DefaultBindingProperty('Source_Offset_X')] [Int32] $SourceOffsetX, # Set the Source_Offset_Y of OBSCircleMaskFilterShader [Alias('Source_Offset_Y')] [ComponentModel.DefaultBindingProperty('Source_Offset_Y')] [Int32] $SourceOffsetY, # Set the Antialiasing of OBSCircleMaskFilterShader [ComponentModel.DefaultBindingProperty('Antialiasing')] [Management.Automation.SwitchParameter] $Antialiasing, # The name of the source. This must be provided when adding an item for the first time [Parameter(ValueFromPipelineByPropertyName)] [Alias('SceneItemName')] [String] $SourceName, # The name of the filter. If this is not provided, this will default to the shader name. [Parameter(ValueFromPipelineByPropertyName)] [String] $FilterName, # The inline value of the shader. This will normally be provided as a default parameter, based off of the name. [Alias('ShaderContent')] [String] $ShaderText, # If set, will force the recreation of a shader that already exists [Management.Automation.SwitchParameter] $Force, # If set, will pass thru the commands that would be sent to OBS (these can be sent at any time with Send-OBS) [Management.Automation.SwitchParameter] $PassThru, # If set, will not wait for a response from OBS (this will be faster, but will not return anything) [Management.Automation.SwitchParameter] $NoResponse, # If set, use the shader elapsed time, instead of the OBS system elapsed time [ComponentModel.DefaultBindingProperty('use_shader_elapsed_time')] [Management.Automation.SwitchParameter] $UseShaderTime ) process { $shaderName = 'circle-mask-filter' $ShaderNoun = 'OBSCircleMaskFilterShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' // Circle Mask Filter version 1.01, for OBS Shaderfilter // Copyright 2022 by SkeletonBow // Twitter: <https://twitter.com/skeletonbowtv> // Twitch: <https://twitch.tv/skeletonbowtv> // License: GNU GPLv2 // // Changelog: // 1.01 - Don''t saturate() Radius parameter to allow oversizing to cover entire input texture. // 1.0 - Initial release uniform float Radius< string label = "Radius"; string widget_type = "slider"; float minimum = 0; float maximum = 100.0; float step = 0.01; > = 50.0; uniform int Circle_Offset_X< string label = "Circle Offset X"; string widget_type = "slider"; int minimum = -1000; int maximum = 1000; int step = 1; > = 0; uniform int Circle_Offset_Y< string label = "Circle Offset X"; string widget_type = "slider"; int minimum = -1000; int maximum = 1000; int step = 1; > = 0; uniform int Source_Offset_X< string label = "Source Offset X"; string widget_type = "slider"; int minimum = -1000; int maximum = 1000; int step = 1; > = 0.0; uniform int Source_Offset_Y< string label = "Source Offset Y"; string widget_type = "slider"; int minimum = -1000; int maximum = 1000; int step = 1; > = 0.0; uniform bool Antialiasing = true; #define Smoothness 100.00 #define AAwidth 4 #define uv_pi uv_pixel_interval float4 mainImage( VertData v_in ) : TARGET { float2 uv = v_in.uv; float2 coffset = float2(Circle_Offset_X, Circle_Offset_Y)/uv_size; float2 soffset = float2( Source_Offset_X, Source_Offset_Y )/uv_size; float radius = Radius * 0.01; float smwidth = radius * Smoothness * 0.01; float4 obstex = image.Sample( textureSampler, uv - soffset); float4 color = obstex; // Account for aspect ratio uv.x = (uv.x - 0.5) * uv_size.x / uv_size.y + 0.5; float2 cuv = 0.5 + coffset; float dist = distance(cuv,uv); // Anti-aliased or pixelated edge if( Antialiasing ) { color.a = smoothstep( radius, (radius+(uv_pi.x)) - (uv_pi.x * AAwidth), dist); } else { color.a = step( dist, radius ); } return float4(color.rgb, color.a); } ' } $MyVerb, $myNoun = $MyInvocation.InvocationName -split '-',2 if (-not $myNoun) { $myNoun = $myVerb $myVerb = 'Get' } switch -regex ($myVerb) { Get { $FilterNamePattern = "(?>$( if ($FilterName) { [Regex]::Escape($FilterName) } else { [Regex]::Escape($ShaderNoun -replace '^OBS' -replace 'Shader$'),[Regex]::Escape($shaderName) -join '|' } ))" if ($SourceName) { Get-OBSInput | Where-Object InputName -eq $SourceName | Get-OBSSourceFilterList | Where-Object FilterName -Match $FilterNamePattern } else { $obs.Inputs | Get-OBSSourceFilterList | Where-Object FilterName -Match $FilterNamePattern } } 'Remove' { if ($SourceName) { Get-OBSInput | Where-Object InputName -eq $SourceName | Get-OBSSourceFilterList | Where-Object FilterName -Match $FilterNamePattern | Remove-OBSSourceFilter } } '(?>Add|Set)' { $ShaderSettings = [Ordered]@{} :nextParameter foreach ($parameterMetadata in $MyInvocation.MyCommand.Parameters[@($psBoundParameters.Keys)]) { foreach ($parameterAttribute in $parameterMetadata.Attributes) { if ($parameterAttribute -isnot [ComponentModel.DefaultBindingPropertyAttribute]) { continue } $ShaderSettings[$parameterAttribute.Name] = $PSBoundParameters[$parameterMetadata.Name] if ($ShaderSettings[$parameterAttribute.Name] -is [switch]) { $ShaderSettings[$parameterAttribute.Name] = $ShaderSettings[$parameterAttribute.Name] -as [bool] } continue nextParameter } } if (-not $PSBoundParameters['FilterName']) { $filterName = $PSBoundParameters['FilterName'] = $shaderName } $ShaderFilterSplat = [Ordered]@{ ShaderSetting = $ShaderSettings FilterName = $FilterName SourceName = $SourceName } foreach ($CarryOnParameter in "PassThru", "NoResponse","Force") { if ($PSBoundParameters.ContainsKey($CarryOnParameter)) { $ShaderFilterSplat[$CarryOnParameter] = $PSBoundParameters[$CarryOnParameter] } } if (-not $script:CachedShaderFilesFromCommand) { $script:CachedShaderFilesFromCommand = @{} } if ($Home -and -not $script:CachedShaderFilesFromCommand[$shaderName]) { $MyObsPowerShellPath = Join-Path $home ".obs-powershell" $ThisShaderPath = Join-Path $MyObsPowerShellPath "$shaderName.shader" $shaderText | Set-Content -LiteralPath $ThisShaderPath $script:CachedShaderFilesFromCommand[$shaderName] = Get-Item -LiteralPath $ThisShaderPath } if ($script:CachedShaderFilesFromCommand[$shaderName]) { $ShaderFilterSplat.ShaderFile = $script:CachedShaderFilesFromCommand[$shaderName].FullName } else { $ShaderFilterSplat.ShaderText = $shaderText } if ($myVerb -eq 'Add') { Add-OBSShaderFilter @ShaderFilterSplat } else { Set-OBSShaderFilter @ShaderFilterSplat } } } } } |