Added shaders

data_from_portwine/Reshade/Shaders/LiftGammaGain.fx

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+/**
+ * Lift Gamma Gain version 1.1
+ * by 3an and CeeJay.dk
+ */
+
+#include "ReShadeUI.fxh"
+
+uniform float3 RGB_Lift < __UNIFORM_SLIDER_FLOAT3
+	ui_min = 0.0; ui_max = 2.0;
+	ui_label = "RGB Lift";
+	ui_tooltip = "Adjust shadows for red, green and blue.";
+> = float3(1.0, 1.0, 1.0);
+uniform float3 RGB_Gamma < __UNIFORM_SLIDER_FLOAT3
+	ui_min = 0.0; ui_max = 2.0;
+	ui_label = "RGB Gamma";
+	ui_tooltip = "Adjust midtones for red, green and blue.";
+> = float3(1.0, 1.0, 1.0);
+uniform float3 RGB_Gain < __UNIFORM_SLIDER_FLOAT3
+	ui_min = 0.0; ui_max = 2.0;
+	ui_label = "RGB Gain";
+	ui_tooltip = "Adjust highlights for red, green and blue.";
+> = float3(1.0, 1.0, 1.0);
+
+
+#include "ReShade.fxh"
+
+float3 LiftGammaGainPass(float4 position : SV_Position, float2 texcoord : TexCoord) : SV_Target
+{
+	float3 color = tex2D(ReShade::BackBuffer, texcoord).rgb;
+	
+	// -- Lift --
+	color = color * (1.5 - 0.5 * RGB_Lift) + 0.5 * RGB_Lift - 0.5;
+	color = saturate(color); // Is not strictly necessary, but does not cost performance
+	
+	// -- Gain --
+	color *= RGB_Gain; 
+	
+	// -- Gamma --
+	color = pow(abs(color), 1.0 / RGB_Gamma);
+	
+	return saturate(color);
+}
+
+
+technique LiftGammaGain
+{
+	pass
+	{
+		VertexShader = PostProcessVS;
+		PixelShader = LiftGammaGainPass;
+	}
+}