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Add bilateral-2p shaders

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- Fast bilateral shaders in 2-pass from guest.r.
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Hyllian 2024-05-15 13:37:59 -03:00
parent 5fbd610582
commit 879dcd27fe
3 changed files with 247 additions and 0 deletions
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15
denoisers/bilateral-2p.slangp Normal file
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shaders = 2
shader0 = shaders/bilateral-horizontal.slang
filter_linear0 = false
scale_type_x0 = source
scale_x0 = 1.0
scale_type_y0 = source
scale_y0 = 1.0
shader1 = shaders/bilateral-vertical.slang
filter_linear1 = false
scale_type_x1 = source
scale_x1 = 1.0
scale_type_y1 = source
scale_y1 = 1.0

116
denoisers/shaders/bilateral-horizontal.slang Normal file
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#version 450
/*
Bilateral - Smart - Horizontal
Copyright (C) 2024 guest(r)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
layout(push_constant) uniform Push
{
vec4 SourceSize;
vec4 OriginalSize;
vec4 OutputSize;
uint FrameCount;
float FRANGE;
float FBSMOOTH;
float FSIGMA;
} params;
#pragma parameter FRANGE "Filter Range" 3.0 1.0 10.0 1.0
#define FRANGE params.FRANGE
#pragma parameter FBSMOOTH "Filter Base Smoothing" 0.35 0.05 1.0 0.025
#define FBSMOOTH params.FBSMOOTH
#pragma parameter FSIGMA "Filter Strength" 0.65 0.15 1.5 0.05
float FSIGMA1 = 1.0/(params.FSIGMA);
layout(std140, set = 0, binding = 0) uniform UBO
{
mat4 MVP;
} global;
#pragma stage vertex
layout(location = 0) in vec4 Position;
layout(location = 1) in vec2 TexCoord;
layout(location = 0) out vec2 vTexCoord;
void main()
{
gl_Position = global.MVP * Position;
vTexCoord = TexCoord * 1.00001;
}
#pragma stage fragment
layout(location = 0) in vec2 vTexCoord;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 2) uniform sampler2D Source;
#define COMPAT_TEXTURE(c,d) texture(c,d)
#define SourceSize params.SourceSize
float wt(vec3 A, vec3 B)
{
return clamp(FBSMOOTH - 2.33*dot(abs(A-B),1.0.xxx)/(dot(A+B,1.0.xxx)+1.0), 0.0, 0.25);
}
float getw(float x, vec3 c, vec3 p)
{
float y = pow(max(1.0-x,0.0), FSIGMA1);
float d = wt(c,p);
return y*d;
}
void main()
{
vec2 pos = vTexCoord * SourceSize.xy;
float f = 0.5-fract(pos.x);
vec2 tex = floor(pos)*SourceSize.zw + 0.5*SourceSize.zw;
vec2 dx = vec2(SourceSize.z, 0.0);
float w, fp;
float wsum = 0.0;
vec3 pixel;
float FPR = FRANGE;
float FPR1 = 1.0/FPR;
float LOOPSIZE = FPR;
float x = -FPR;
vec3 comp = COMPAT_TEXTURE(Source, tex).rgb;
vec3 color = 0.0.xxx;
do
{
pixel = COMPAT_TEXTURE(Source, tex + x*dx).rgb;
fp = min(abs(x+f),FPR)*FPR1;
w = getw(fp,comp,pixel);
color = color + w * pixel;
wsum = wsum + w;
x = x + 1.0;
} while (x <= LOOPSIZE);
color = color / wsum;
FragColor = vec4(color, 1.0);
}

116
denoisers/shaders/bilateral-vertical.slang Normal file
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#version 450
/*
Bilateral - Smart - Vertical
Copyright (C) 2024 guest(r)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
layout(push_constant) uniform Push
{
vec4 SourceSize;
vec4 OriginalSize;
vec4 OutputSize;
uint FrameCount;
float FRANGE;
float FBSMOOTH;
float FSIGMA;
} params;
#pragma parameter FRANGE "Filter Range" 3.0 1.0 10.0 1.0
#define FRANGE params.FRANGE
#pragma parameter FBSMOOTH "Filter Base Smoothing" 0.35 0.05 1.0 0.025
#define FBSMOOTH params.FBSMOOTH
#pragma parameter FSIGMA "Filter Strength" 0.65 0.15 1.5 0.05
float FSIGMA1 = 1.0/(params.FSIGMA);
layout(std140, set = 0, binding = 0) uniform UBO
{
mat4 MVP;
} global;
#pragma stage vertex
layout(location = 0) in vec4 Position;
layout(location = 1) in vec2 TexCoord;
layout(location = 0) out vec2 vTexCoord;
void main()
{
gl_Position = global.MVP * Position;
vTexCoord = TexCoord * 1.00001;
}
#pragma stage fragment
layout(location = 0) in vec2 vTexCoord;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 2) uniform sampler2D Source;
#define COMPAT_TEXTURE(c,d) texture(c,d)
#define SourceSize params.SourceSize
float wt(vec3 A, vec3 B)
{
return clamp(FBSMOOTH - 2.33*dot(abs(A-B),1.0.xxx)/(dot(A+B,1.0.xxx)+1.0), 0.0, 0.25);
}
float getw(float x, vec3 c, vec3 p)
{
float y = pow(max(1.0-x,0.0), FSIGMA1);
float d = wt(c,p);
return y*d;
}
void main()
{
vec2 pos = vTexCoord * SourceSize.xy;
float f = 0.5-fract(pos.y);
vec2 tex = floor(pos)*SourceSize.zw + 0.5*SourceSize.zw;
vec2 dy = vec2(0.0,SourceSize.w);
float w, fp;
float wsum = 0.0;
vec3 pixel;
float FPR = FRANGE;
float FPR1 = 1.0/FPR;
float LOOPSIZE = FPR;
float y = -FPR;
vec3 comp = COMPAT_TEXTURE(Source, tex).rgb;
vec3 color = 0.0.xxx;
do
{
pixel = COMPAT_TEXTURE(Source, tex + y*dy).rgb;
fp = min(abs(y+f),FPR)*FPR1;
w = getw(fp,comp,pixel);
color = color + w * pixel;
wsum = wsum + w;
y = y + 1.0;
} while (y <= LOOPSIZE);
color = color / wsum;
FragColor = vec4(color, 1.0);
}