Commands/Shaders/Get-OBSGaussianBlurShader.ps1
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function Get-OBSGaussianBlurShader { [Alias('Set-OBSGaussianBlurShader','Add-OBSGaussianBlurShader')] param( # Set the ViewProj of OBSGaussianBlurShader [ComponentModel.DefaultBindingProperty('ViewProj')] [Single[][]] $ViewProj, # Set the image of OBSGaussianBlurShader [ComponentModel.DefaultBindingProperty('image')] [String] $Image, # Set the imageSize of OBSGaussianBlurShader [ComponentModel.DefaultBindingProperty('imageSize')] [Single[]] $ImageSize, # Set the imageTexel of OBSGaussianBlurShader [ComponentModel.DefaultBindingProperty('imageTexel')] [Single[]] $ImageTexel, # Set the u_radius of OBSGaussianBlurShader [Alias('u_radius')] [ComponentModel.DefaultBindingProperty('u_radius')] [Int32] $URadius, # Set the u_diameter of OBSGaussianBlurShader [Alias('u_diameter')] [ComponentModel.DefaultBindingProperty('u_diameter')] [Int32] $UDiameter, # Set the u_texelDelta of OBSGaussianBlurShader [Alias('u_texelDelta')] [ComponentModel.DefaultBindingProperty('u_texelDelta')] [Single[]] $UTexelDelta, # Set the elapsed_time of OBSGaussianBlurShader [Alias('elapsed_time')] [ComponentModel.DefaultBindingProperty('elapsed_time')] [Single] $ElapsedTime, # Set the uv_offset of OBSGaussianBlurShader [Alias('uv_offset')] [ComponentModel.DefaultBindingProperty('uv_offset')] [Single[]] $UvOffset, # Set the uv_scale of OBSGaussianBlurShader [Alias('uv_scale')] [ComponentModel.DefaultBindingProperty('uv_scale')] [Single[]] $UvScale, # Set the uv_pixel_interval of OBSGaussianBlurShader [Alias('uv_pixel_interval')] [ComponentModel.DefaultBindingProperty('uv_pixel_interval')] [Single[]] $UvPixelInterval, # Set the kernel of OBSGaussianBlurShader [ComponentModel.DefaultBindingProperty('kernel')] [String] $Kernel, # Set the kernelTexel of OBSGaussianBlurShader [ComponentModel.DefaultBindingProperty('kernelTexel')] [Single[]] $KernelTexel, # Set the pixel_size of OBSGaussianBlurShader [Alias('pixel_size')] [ComponentModel.DefaultBindingProperty('pixel_size')] [Single] $PixelSize, # 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 = 'gaussian-blur' $ShaderNoun = 'OBSGaussianBlurShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' //Converted to OpenGL by Q-mii & Exeldro March 11, 2022 // OBS Default uniform float4x4 ViewProj; // Settings (Shared) uniform texture2d image; uniform float2 imageSize; uniform float2 imageTexel; uniform int u_radius; uniform int u_diameter; uniform float2 u_texelDelta; uniform float elapsed_time; uniform float2 uv_offset; uniform float2 uv_scale; uniform float2 uv_pixel_interval; // Settings (Private) //uniform float registerkernel[25]; uniform texture2d kernel; uniform float2 kernelTexel; uniform float pixel_size = 1.0; sampler_state pointClampSampler { Filter = Point; AddressU = Clamp; AddressV = Clamp; }; sampler_state bilinearClampSampler { Filter = Bilinear; AddressU = Clamp; AddressV = Clamp; }; struct VertData { float4 pos : POSITION; float2 uv : TEXCOORD0; }; float Gaussian(float x, float o) { float pivalue = 3.1415926535897932384626433832795; return (1.0 / (o * sqrt(2.0 * pivalue))) * exp((-(x * x)) / (2.0 * (o * o))); } VertData VSDefault(VertData vert_in) { VertData vert_out; vert_out.pos = mul(float4(vert_in.pos.xyz, 1.0), ViewProj); vert_out.uv = vert_in.uv; return vert_out; } float4 InternalGaussian(float2 p_uv, float2 p_uvStep, int p_radius, texture2d p_image, float2 p_imageTexel) { float l_gauss = Gaussian(0.0, 1.0); float4 l_value = image.Sample(pointClampSampler, p_uv) * l_gauss; float2 l_uvoffset = float2(0, 0); for (int k = 1; k <= p_radius; k++) { l_uvoffset += p_uvStep; float l_g = Gaussian(float(k), uv_pixel_interval.x + uv_pixel_interval.y); float4 l_p = image.Sample(pointClampSampler, p_uv + l_uvoffset) * l_g; float4 l_n = image.Sample(pointClampSampler, p_uv - l_uvoffset) * l_g; l_value += l_p + l_n; l_gauss += l_g; } l_value = l_value * (1.0 / l_gauss); return l_value; } float4 InternalGaussianPrecalculated(float2 p_uv, float2 p_uvStep, int p_radius, texture2d p_image, float2 p_imageTexel, texture2d p_kernel, float2 p_kernelTexel) { float4 l_value = image.Sample(pointClampSampler, p_uv) * kernel.Sample(pointClampSampler, float2(0, 0)).r; float2 l_uvoffset = float2(0, 0); for (int k = 1; k <= p_radius; k++) { l_uvoffset += p_uvStep; float l_g = kernel.Sample(pointClampSampler, p_kernelTexel * k).r; float4 l_p = image.Sample(pointClampSampler, p_uv + l_uvoffset) * l_g; float4 l_n = image.Sample(pointClampSampler, p_uv - l_uvoffset) * l_g; l_value += l_p + l_n; } return l_value; } /*float4 InternalGaussianPrecalculatedNVOptimized(float2 p_uv, int pixel_size, texture2d p_image, float2 p_imageTexel, texture2d p_kernel, float2 p_kernelTexel) { if (pixel_size % 2 == 0) { float4 l_value = image.Sample(pointClampSampler, p_uv) * kernel.Sample(pointClampSampler, float2(0, 0)).r; float2 l_uvoffset = p_texel; float2 l_koffset = p_kernelTexel; for (int k = 1; k <= pixel_size; k++) { float l_g = kernel.Sample(pointClampSampler, l_koffset).r; float4 l_p = image.Sample(pointClampSampler, p_uv + l_uvoffset) * l_g; float4 l_n = image.Sample(pointClampSampler, p_uv - l_uvoffset) * l_g; l_value += l_p + l_n; l_uvoffset += p_texel; l_koffset += p_kernelTexel; } return l_value; } else { return InternalGaussianPrecalculated(p_uv, p_image, p_texel, pixel_size, p_kernel, p_kerneltexel);) } }*/ float4 PSGaussian(VertData vert_in) : TARGET { float4 color = image.Sample(pointClampSampler, vert_in.uv); float intensity = color.r * 0.299 + color.g * 0.587 + color.b * 0.114; return InternalGaussian(vert_in.uv, uv_offset, int(sqrt((uv_pixel_interval.x * uv_pixel_interval.x) + (uv_pixel_interval.y * uv_pixel_interval.y))), image, uv_scale); /* return InternalGaussianPrecalculated( vert_in.uv, u_texelDelta, u_radius, image, imageTexel, kernel, kernelTexel); */ /* return InternalGaussianPrecalculatedNVOptimize( vert_in.uv, u_texelDelta, u_radius, image, imageTexel, kernel, kernelTexel); */ } technique Draw { pass { vertex_shader = VSDefault(vert_in); pixel_shader = PSGaussian(vert_in); } } ' } $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 } } } } } |