Initial commit

lua/postprocess/sharpen.lua

@@ -0,0 +1,51 @@
+
+local matSharpen = Material( "pp/sharpen" )
+matSharpen:SetTexture( "$fbtexture", render.GetScreenEffectTexture() )
+
+--[[---------------------------------------------------------
+	Register the convars that will control this effect
+-----------------------------------------------------------]]
+local pp_sharpen = CreateClientConVar( "pp_sharpen", "0", false, false )
+local pp_sharpen_contrast = CreateClientConVar( "pp_sharpen_contrast", "1", true, false )
+local pp_sharpen_distance = CreateClientConVar( "pp_sharpen_distance", "1", true, false )
+
+function DrawSharpen( contrast, distance )
+
+	render.CopyRenderTargetToTexture( render.GetScreenEffectTexture() )
+
+	matSharpen:SetFloat( "$contrast", contrast )
+	matSharpen:SetFloat( "$distance", distance / ScrW() )
+
+	render.SetMaterial( matSharpen )
+	render.DrawScreenQuad()
+
+end
+
+hook.Add( "RenderScreenspaceEffects", "RenderSharpen", function()
+
+	if ( !pp_sharpen:GetBool() ) then return end
+	if ( !GAMEMODE:PostProcessPermitted( "sharpen" ) ) then return end
+
+	DrawSharpen( pp_sharpen_contrast:GetFloat(), pp_sharpen_distance:GetFloat() )
+
+end )
+
+list.Set( "PostProcess", "#sharpen_pp", {
+
+	icon = "gui/postprocess/sharpen.png",
+	convar = "pp_sharpen",
+	category = "#shaders_pp",
+
+	cpanel = function( CPanel )
+
+		CPanel:Help( "#sharpen_pp.desc" )
+		CPanel:CheckBox( "#sharpen_pp.enable", "pp_sharpen" )
+
+		CPanel:ToolPresets( "sharpen", { pp_sharpen_distance = "1", pp_sharpen_contrast = "1" } )
+
+		CPanel:NumSlider( "#sharpen_pp.distance", "pp_sharpen_distance", -5, 5 )
+		CPanel:NumSlider( "#sharpen_pp.contrast", "pp_sharpen_contrast", 0, 20 )
+
+	end
+
+} )