OrdinaryMagician/marifx_m
OrdinaryMagician/marifx_m
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New update:

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- Added Paint filter.
 - Tweaked order of shaders.
 - Allow more grain parameters to be configured.
This commit is contained in:
Marisa the Magician 2021-11-06 17:25:07 +01:00
commit 595159703c
11 changed files with 259 additions and 67 deletions
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33
shaders/glsl/mfx_paint_pass2.fp Normal file
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/*
Paint filter from MariENB (second pass median smoothing)
(C)2012-2021 Marisa Kirisame
*/
#define luminance(x) dot(x,vec3(0.2126,0.7152,0.0722))
void main()
{
vec2 coord = TexCoord;
vec4 res = vec4(1.);
vec2 bresl = textureSize(InputTexture,0);
vec2 bof = 1./bresl;
vec3 m1, m2, m3;
vec3 a, b, c;
a = texture(InputTexture,coord+vec2(-1,-1)*bof).rgb;
b = texture(InputTexture,coord+vec2( 0,-1)*bof).rgb;
c = texture(InputTexture,coord+vec2( 1,-1)*bof).rgb;
m1 = (luminance(a)<luminance(b))?((luminance(b)<luminance(c))?b
:max(a,c)):((luminance(a)<luminance(c))?a:max(b,c));
a = texture(InputTexture,coord+vec2(-1, 0)*bof).rgb;
b = texture(InputTexture,coord+vec2( 0, 0)*bof).rgb;
c = texture(InputTexture,coord+vec2( 1, 0)*bof).rgb;
m2 = (luminance(a)<luminance(b))?((luminance(b)<luminance(c))?b
:max(a,c)):((luminance(a)<luminance(c))?a:max(b,c));
a = texture(InputTexture,coord+vec2(-1, 1)*bof).rgb;
b = texture(InputTexture,coord+vec2( 0, 1)*bof).rgb;
c = texture(InputTexture,coord+vec2( 1, 1)*bof).rgb;
m3 = (luminance(a)<luminance(b))?((luminance(b)<luminance(c))?b
:max(a,c)):((luminance(a)<luminance(c))?a:max(b,c));
res.rgb = (luminance(m1)<luminance(m2))?((luminance(m2)<luminance(m3))
?m2:max(m1,m3)):((luminance(m1)<luminance(m3))?m1:max(m2,m3));
FragColor = res;
}