mirror of
https://github.com/italicsjenga/slang-shaders.git
synced 2024-10-17 23:31:31 +11:00
8524a42da5
* update crt-guest, add advanced * re-add some prematurely deleted GDV passes * fix ntsc res behavior * disable field-merging on 2-phase to allow MD rainbow artifacting * remove unused function
129 lines
3.6 KiB
Plaintext
129 lines
3.6 KiB
Plaintext
#version 450
|
|
|
|
/*
|
|
Interlacing
|
|
|
|
Copyright (C) 2020 guest(r) - guest.r@gmail.com
|
|
|
|
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 OriginalSize;
|
|
vec4 OutputSize;
|
|
vec4 SourceSize;
|
|
uint FrameCount;
|
|
float GAMMA_INPUT;
|
|
float inter;
|
|
float interm;
|
|
float inters;
|
|
float iscan;
|
|
} params;
|
|
|
|
|
|
layout(std140, set = 0, binding = 0) uniform UBO
|
|
{
|
|
mat4 MVP;
|
|
} global;
|
|
|
|
|
|
#pragma parameter GAMMA_INPUT "Gamma Input" 2.4 1.0 5.0 0.05
|
|
#define GAMMA_INPUT params.GAMMA_INPUT
|
|
|
|
#pragma parameter bogus_interlacing "[ INTERLACING OPTIONS ]: " 0.0 0.0 0.0 1.0
|
|
|
|
#pragma parameter inter " Interlace Trigger Resolution :" 400.0 0.0 800.0 25.0
|
|
#define inter params.inter // interlace resolution
|
|
|
|
#pragma parameter interm " Interlace Mode: OFF, Normal 1-3, Interpolation 4-5" 1.0 0.0 5.0 1.0
|
|
#define interm params.interm // interlace mode
|
|
|
|
#pragma parameter inters " Interlacing Effect Smoothness" 0.0 0.0 0.5 0.05 // // Joint parameter with main pass, values must match
|
|
#define inters params.inters // interlacing effect smoothing
|
|
|
|
#pragma parameter iscan " Interlacing Scanline Effect" 0.20 0.0 1.0 0.05
|
|
#define iscan params.iscan // interlacing effect scanlining
|
|
|
|
|
|
#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 * 1.000001;
|
|
}
|
|
|
|
#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
|
|
|
|
|
|
vec3 plant (vec3 tar, float r)
|
|
{
|
|
float t = max(max(tar.r,tar.g),tar.b) + 0.00001;
|
|
return tar * r / t;
|
|
}
|
|
|
|
|
|
void main()
|
|
{
|
|
vec3 c1 = COMPAT_TEXTURE(Source, vTexCoord).rgb;
|
|
vec3 c2 = COMPAT_TEXTURE(Source, vTexCoord + vec2(0.0, 1.0/params.OriginalSize.y)).rgb;
|
|
vec3 c = c1;
|
|
|
|
float intera = 1.0;
|
|
float gamma_in = clamp(GAMMA_INPUT, 1.0, 5.0);
|
|
|
|
float m1 = max(max(c1.r,c1.g),c1.b);
|
|
float m2 = max(max(c2.r,c2.g),c2.b);
|
|
vec3 df = abs(c1-c2);
|
|
|
|
float d = max(max(df.r,df.g),df.b);
|
|
if (interm == 2.0) d = mix(0.1*d,10.0*d, step(m1/(m2+0.0001),m2/(m1+0.0001)));
|
|
|
|
float r = m1;
|
|
|
|
if (inter <= params.OriginalSize.y && interm > 0.5)
|
|
{
|
|
intera = 0.5;
|
|
float line_no = clamp(floor(mod(params.OriginalSize.y*vTexCoord.y, 2.0)), 0.0, 1.0);
|
|
float frame_no = clamp(floor(mod(float(params.FrameCount),2.0)), 0.0, 1.0);
|
|
float ii = abs(line_no-frame_no);
|
|
|
|
if (interm < 3.5)
|
|
{
|
|
r = clamp(max(m1*ii, (1.0-iscan)*min(m1,m2)), 0.0, 1.0);
|
|
c = plant( mix(mix(c1,c2, min(mix(m1, 1.0-m2, min(m1,1.0-m1))/(d+0.00001),1.0)), c1, ii), r);
|
|
if (interm == 3.0) c = (1.0-0.5*iscan)*mix(c2, c1, ii);
|
|
intera = 0.0;
|
|
}
|
|
if (interm == 5.0) { c = mix(c2, c1, 0.5); }
|
|
}
|
|
c = pow(c, vec3(gamma_in));
|
|
|
|
if (vTexCoord.x > 0.5) gamma_in = intera; else gamma_in = 1.0/gamma_in;
|
|
|
|
FragColor = vec4(c, gamma_in);
|
|
} |