PortWINE/data_from_portwine/Reshade/Shaders/ChromaticAberration.fx
2023-09-23 14:39:09 +06:00

40 lines
1.2 KiB
HLSL

/**
* Chromatic Aberration
* by Christian Cann Schuldt Jensen ~ CeeJay.dk
*
* Distorts the image by shifting each color component, which creates color artifacts similar to those in a very cheap lens or a cheap sensor.
*/
#include "ReShadeUI.fxh"
uniform float2 Shift < __UNIFORM_SLIDER_FLOAT2
ui_min = -10; ui_max = 10;
ui_tooltip = "Distance (X,Y) in pixels to shift the color components. For a slightly blurred look try fractional values (.5) between two pixels.";
> = float2(2.5, -0.5);
uniform float Strength < __UNIFORM_SLIDER_FLOAT1
ui_min = 0.0; ui_max = 1.0;
> = 0.5;
#include "ReShade.fxh"
float3 ChromaticAberrationPass(float4 vpos : SV_Position, float2 texcoord : TexCoord) : SV_Target
{
float3 color, colorInput = tex2D(ReShade::BackBuffer, texcoord).rgb;
// Sample the color components
color.r = tex2D(ReShade::BackBuffer, texcoord + (BUFFER_PIXEL_SIZE * Shift)).r;
color.g = colorInput.g;
color.b = tex2D(ReShade::BackBuffer, texcoord - (BUFFER_PIXEL_SIZE * Shift)).b;
// Adjust the strength of the effect
return lerp(colorInput, color, Strength);
}
technique CA
{
pass
{
VertexShader = PostProcessVS;
PixelShader = ChromaticAberrationPass;
}
}