diff --git a/reshade/shaders/LUT/LUT.slang b/reshade/shaders/LUT/LUT.slang index 064be16..31cb7dc 100755 --- a/reshade/shaders/LUT/LUT.slang +++ b/reshade/shaders/LUT/LUT.slang @@ -35,10 +35,13 @@ layout(set = 0, binding = 3) uniform sampler2D SamplerLUT; void main() { - vec4 imgColor = pow(texture(Source, vTexCoord.xy), vec4(2.2)); + vec4 imgColor = texture(Source, vTexCoord.xy); float red = ( imgColor.r * (params.LUT_Size - 1.0) + 0.5 ) / (params.LUT_Size * params.LUT_Size); float green = ( imgColor.g * (params.LUT_Size - 1.0) + 0.5 ) / params.LUT_Size; - float blue = floor( imgColor.b * (params.LUT_Size - 1.0) ) / params.LUT_Size; - vec4 color = texture( SamplerLUT, vec2( blue + red, green )); - FragColor = pow(color, vec4(1.0 / 2.2)); + float blue1 = floor( imgColor.b * (params.LUT_Size - 1.0) ) / params.LUT_Size; + float blue2 = ceil( imgColor.b * (params.LUT_Size - 1.0) ) / params.LUT_Size; + float mixer = (imgColor.b - (blue1 + red)) / ((blue2 + red) - (blue1 + red)); + vec4 color1 = texture( SamplerLUT, vec2( blue1 + red, green )); + vec4 color2 = texture( SamplerLUT, vec2( blue2 + red, green )); + FragColor = mix(color1, color2, mixer); }