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HighPassSharpen.fx
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//High Pass Sharpening by Ioxa
//Version 1.5 for ReShade 3.0
//Settings
#include "ReShadeUI.fxh"
uniform int HighPassSharpRadius < __UNIFORM_SLIDER_INT1
ui_min = 1; ui_max = 3;
ui_tooltip = "1 = 3x3 mask, 2 = 5x5 mask, 3 = 7x7 mask.";
> = 1;
uniform float HighPassSharpOffset < __UNIFORM_SLIDER_FLOAT1
ui_min = 0.00; ui_max = 1.00;
ui_tooltip = "Additional adjustment for the blur radius. Values less than 1.00 will reduce the radius limiting the sharpening to finer details.";
> = 1.00;
uniform int HighPassBlendMode <
ui_type = "combo";
ui_items = "Soft Light\0Overlay\0Mulitply\0Hard Light\0Vivid Light\0Screen\0Linear Light\0Addition";
ui_tooltip = "Blend modes determine how the sharp mask is applied to the original image";
> = 1;
uniform int HighPassBlendIfDark < __UNIFORM_SLIDER_INT1
ui_min = 0; ui_max = 255;
ui_tooltip = "Any pixels below this value will be excluded from the effect. Set to 50 to target mid-tones.";
> = 0;
uniform int HighPassBlendIfLight < __UNIFORM_SLIDER_INT1
ui_min = 0; ui_max = 255;
ui_tooltip = "Any pixels above this value will be excluded from the effect. Set to 205 to target mid-tones.";
> = 255;
uniform bool HighPassViewBlendIfMask <
ui_tooltip = "Displays the BlendIfMask. The effect will not be applied to areas covered in black";
> = false;
uniform float HighPassSharpStrength < __UNIFORM_SLIDER_FLOAT1
ui_min = 0.00; ui_max = 1.00;
ui_tooltip = "Adjusts the strength of the effect";
> = 0.400;
uniform float HighPassDarkIntensity < __UNIFORM_SLIDER_FLOAT1
ui_min = 0.00; ui_max = 5.00;
ui_tooltip = "Adjusts the strength of dark halos.";
> = 1.0;
uniform float HighPassLightIntensity < __UNIFORM_SLIDER_FLOAT1
ui_min = 0.00; ui_max = 5.00;
ui_tooltip = "Adjusts the strength of light halos.";
> = 1.0;
uniform bool HighPassViewSharpMask <
ui_tooltip = "Displays the SharpMask. Useful when adjusting settings";
> = false;
#include "ReShade.fxh"
float3 SharpBlurFinal(in float4 pos : SV_Position, in float2 texcoord : TEXCOORD) : COLOR
{
float3 color = tex2D(ReShade::BackBuffer, texcoord).rgb;
float3 orig = color;
float luma = dot(color.rgb,float3(0.32786885,0.655737705,0.0163934436));
float3 chroma = orig.rgb/luma;
if (HighPassSharpRadius == 1)
{
int sampleOffsetsX[25] = { 0.0, 1, 0, 1, 1, 2, 0, 2, 2, 1, 1, 2, 2, 3, 0, 3, 3, 1, -1, 3, 3, 2, 2, 3, 3 };
int sampleOffsetsY[25] = { 0.0, 0, 1, 1, -1, 0, 2, 1, -1, 2, -2, 2, -2, 0, 3, 1, -1, 3, 3, 2, -2, 3, -3, 3, -3};
float sampleWeights[5] = { 0.225806, 0.150538, 0.150538, 0.0430108, 0.0430108 };
color *= sampleWeights[0];
[loop]
for(int i = 1; i < 5; ++i) {
color += tex2D(ReShade::BackBuffer, texcoord + float2(sampleOffsetsX[i] * BUFFER_RCP_WIDTH, sampleOffsetsY[i] * BUFFER_RCP_HEIGHT) * HighPassSharpOffset).rgb * sampleWeights[i];
color += tex2D(ReShade::BackBuffer, texcoord - float2(sampleOffsetsX[i] * BUFFER_RCP_WIDTH, sampleOffsetsY[i] * BUFFER_RCP_HEIGHT) * HighPassSharpOffset).rgb * sampleWeights[i];
}
}
if (HighPassSharpRadius == 2)
{
int sampleOffsetsX[13] = { 0.0, 1, 0, 1, 1, 2, 0, 2, 2, 1, 1, 2, 2 };
int sampleOffsetsY[13] = { 0.0, 0, 1, 1, -1, 0, 2, 1, -1, 2, -2, 2, -2};
float sampleWeights[13] = { 0.1509985387665926499, 0.1132489040749444874, 0.1132489040749444874, 0.0273989284225933369, 0.0273989284225933369, 0.0452995616018920668, 0.0452995616018920668, 0.0109595713409516066, 0.0109595713409516066, 0.0109595713409516066, 0.0109595713409516066, 0.0043838285270187332, 0.0043838285270187332 };
color *= sampleWeights[0];
[loop]
for(int i = 1; i < 13; ++i) {
color += tex2D(ReShade::BackBuffer, texcoord + float2(sampleOffsetsX[i] * BUFFER_RCP_WIDTH, sampleOffsetsY[i] * BUFFER_RCP_HEIGHT) * HighPassSharpOffset).rgb * sampleWeights[i];
color += tex2D(ReShade::BackBuffer, texcoord - float2(sampleOffsetsX[i] * BUFFER_RCP_WIDTH, sampleOffsetsY[i] * BUFFER_RCP_HEIGHT) * HighPassSharpOffset).rgb * sampleWeights[i];
}
}
if (HighPassSharpRadius == 3)
{
static const float sampleOffsetsX[13] = { 0.0, 1.3846153846, 0, 1.3846153846, 1.3846153846, 3.2307692308, 0, 3.2307692308, 3.2307692308, 1.3846153846, 1.3846153846, 3.2307692308, 3.2307692308 };
static const float sampleOffsetsY[13] = { 0.0, 0, 1.3846153846, 1.3846153846, -1.3846153846, 0, 3.2307692308, 1.3846153846, -1.3846153846, 3.2307692308, -3.2307692308, 3.2307692308, -3.2307692308 };
float sampleWeights[13] = { 0.0957733978977875942, 0.1333986613666725565, 0.1333986613666725565, 0.0421828199486419528, 0.0421828199486419528, 0.0296441469844336464, 0.0296441469844336464, 0.0093739599979617454, 0.0093739599979617454, 0.0093739599979617454, 0.0093739599979617454, 0.0020831022264565991, 0.0020831022264565991 };
color *= sampleWeights[0];
[loop]
for(int i = 1; i < 13; ++i) {
color += tex2D(ReShade::BackBuffer, texcoord + float2(sampleOffsetsX[i] * BUFFER_RCP_WIDTH, sampleOffsetsY[i] * BUFFER_RCP_HEIGHT) * HighPassSharpOffset).rgb * sampleWeights[i];
color += tex2D(ReShade::BackBuffer, texcoord - float2(sampleOffsetsX[i] * BUFFER_RCP_WIDTH, sampleOffsetsY[i] * BUFFER_RCP_HEIGHT) * HighPassSharpOffset).rgb * sampleWeights[i];
}
}
float sharp = dot(color.rgb,float3(0.32786885,0.655737705,0.0163934436));
sharp = 1.0 - sharp;
sharp = (luma+sharp)*0.5;
float sharpMin = lerp(0,1,smoothstep(0,1,sharp));
float sharpMax = sharpMin;
sharpMin = lerp(sharp,sharpMin,HighPassDarkIntensity);
sharpMax = lerp(sharp,sharpMax,HighPassLightIntensity);
sharp = lerp(sharpMin,sharpMax,step(0.5,sharp));
if(HighPassViewSharpMask)
{
//View sharp mask
orig.rgb = sharp;
luma = sharp;
chroma = 1.0;
}
else
{
if(HighPassBlendMode == 0)
{
//softlight
sharp = lerp(2*luma*sharp + luma*luma*(1.0-2*sharp), 2*luma*(1.0-sharp)+pow(luma,0.5)*(2*sharp-1.0), step(0.49,sharp));
}
if(HighPassBlendMode == 1)
{
//overlay
sharp = lerp(2*luma*sharp, 1.0 - 2*(1.0-luma)*(1.0-sharp), step(0.50,luma));
}
if(HighPassBlendMode == 2)
{
//Hardlight
sharp = lerp(2*luma*sharp, 1.0 - 2*(1.0-luma)*(1.0-sharp), step(0.50,sharp));
}
if(HighPassBlendMode == 3)
{
//Multiply
sharp = saturate(2 * luma * sharp);
}
if(HighPassBlendMode == 4)
{
//vivid light
sharp = lerp(2*luma*sharp, luma/(2*(1-sharp)), step(0.5,sharp));
}
if(HighPassBlendMode == 5)
{
//Linear Light
sharp = luma + 2.0*sharp-1.0;
}
if(HighPassBlendMode == 6)
{
//Screen
sharp = 1.0 - (2*(1.0-luma)*(1.0-sharp));
}
if(HighPassBlendMode == 7)
{
//Addition
sharp = saturate(luma + (sharp - 0.5));
}
}
if( HighPassBlendIfDark > 0 || HighPassBlendIfLight < 255 || HighPassViewBlendIfMask)
{
float BlendIfD = (HighPassBlendIfDark/255.0)+0.0001;
float BlendIfL = (HighPassBlendIfLight/255.0)-0.0001;
float mix = dot(orig.rgb, 0.333333);
float mask = 1.0;
if(HighPassBlendIfDark > 0)
{
mask = lerp(0.0,1.0,smoothstep(BlendIfD-(BlendIfD*0.2),BlendIfD+(BlendIfD*0.2),mix));
}
if(HighPassBlendIfLight < 255)
{
mask = lerp(mask,0.0,smoothstep(BlendIfL-(BlendIfL*0.2),BlendIfL+(BlendIfL*0.2),mix));
}
sharp = lerp(luma,sharp,mask);
if (HighPassViewBlendIfMask)
{
sharp = mask;
luma = mask;
chroma = 1.0;
}
}
luma = lerp(luma, sharp, HighPassSharpStrength);
orig.rgb = luma*chroma;
return saturate(orig);
}
technique HighPassSharp
{
pass Sharp
{
VertexShader = PostProcessVS;
PixelShader = SharpBlurFinal;
}
}