mirror of
https://gitlab.com/skysthelimit.dev/selenite.git
synced 2025-06-18 11:32:08 -05:00
156 lines
4.7 KiB
GLSL
156 lines
4.7 KiB
GLSL
/*
|
|
Copyright (C) 2016 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.
|
|
*/
|
|
|
|
#pragma parameter AAOFFSET "AA offset first pass" 1.0 0.25 2.0 0.05
|
|
|
|
#if defined(VERTEX)
|
|
|
|
#if __VERSION__ >= 130
|
|
#define COMPAT_VARYING out
|
|
#define COMPAT_ATTRIBUTE in
|
|
#define COMPAT_TEXTURE texture
|
|
#else
|
|
#define COMPAT_VARYING varying
|
|
#define COMPAT_ATTRIBUTE attribute
|
|
#define COMPAT_TEXTURE texture2D
|
|
#endif
|
|
|
|
#ifdef GL_ES
|
|
#define COMPAT_PRECISION mediump
|
|
#else
|
|
#define COMPAT_PRECISION
|
|
#endif
|
|
|
|
COMPAT_ATTRIBUTE vec4 VertexCoord;
|
|
COMPAT_ATTRIBUTE vec4 COLOR;
|
|
COMPAT_ATTRIBUTE vec4 TexCoord;
|
|
COMPAT_VARYING vec4 COL0;
|
|
COMPAT_VARYING vec4 TEX0;
|
|
|
|
vec4 _oPosition1;
|
|
uniform mat4 MVPMatrix;
|
|
uniform COMPAT_PRECISION int FrameDirection;
|
|
uniform COMPAT_PRECISION int FrameCount;
|
|
uniform COMPAT_PRECISION vec2 OutputSize;
|
|
uniform COMPAT_PRECISION vec2 TextureSize;
|
|
uniform COMPAT_PRECISION vec2 InputSize;
|
|
|
|
// compatibility #defines
|
|
#define vTexCoord TEX0.xy
|
|
#define SourceSize vec4(TextureSize, 1.0 / TextureSize) //either TextureSize or InputSize
|
|
#define OutSize vec4(OutputSize, 1.0 / OutputSize)
|
|
|
|
void main()
|
|
{
|
|
gl_Position = MVPMatrix * VertexCoord;
|
|
TEX0.xy = TexCoord.xy * 1.00001;
|
|
}
|
|
|
|
#elif defined(FRAGMENT)
|
|
|
|
#ifdef GL_ES
|
|
#ifdef GL_FRAGMENT_PRECISION_HIGH
|
|
precision highp float;
|
|
#else
|
|
precision mediump float;
|
|
#endif
|
|
#define COMPAT_PRECISION mediump
|
|
#else
|
|
#define COMPAT_PRECISION
|
|
#endif
|
|
|
|
#if __VERSION__ >= 130
|
|
#define COMPAT_VARYING in
|
|
#define COMPAT_TEXTURE texture
|
|
out COMPAT_PRECISION vec4 FragColor;
|
|
#else
|
|
#define COMPAT_VARYING varying
|
|
#define FragColor gl_FragColor
|
|
#define COMPAT_TEXTURE texture2D
|
|
#endif
|
|
|
|
uniform COMPAT_PRECISION int FrameDirection;
|
|
uniform COMPAT_PRECISION int FrameCount;
|
|
uniform COMPAT_PRECISION vec2 OutputSize;
|
|
uniform COMPAT_PRECISION vec2 TextureSize;
|
|
uniform COMPAT_PRECISION vec2 InputSize;
|
|
uniform sampler2D Texture;
|
|
COMPAT_VARYING vec4 TEX0;
|
|
|
|
// compatibility #defines
|
|
#define Source Texture
|
|
#define vTexCoord TEX0.xy
|
|
|
|
#define SourceSize vec4(TextureSize, 1.0 / TextureSize) //either TextureSize or InputSize
|
|
#define OutSize vec4(OutputSize, 1.0 / OutputSize)
|
|
|
|
#ifdef PARAMETER_UNIFORM
|
|
uniform COMPAT_PRECISION float AAOFFSET;
|
|
#else
|
|
#define AAOFFSET 1.0
|
|
#endif
|
|
|
|
void main()
|
|
{
|
|
vec2 tex = vTexCoord;
|
|
vec2 texsize = SourceSize.xy;
|
|
float dx = AAOFFSET/texsize.x;
|
|
float dy = AAOFFSET/texsize.y;
|
|
vec3 dt = vec3(1.0, 1.0, 1.0);
|
|
|
|
vec4 yx = vec4 ( dx, dy, -dx, -dy);
|
|
vec4 xh = yx*vec4(4.0,1.5,4.0,1.5);
|
|
vec4 yv = yx*vec4(1.5,4.0,1.5,4.0);
|
|
|
|
vec3 c11 = COMPAT_TEXTURE(Source, tex ).xyz;
|
|
vec3 s00 = COMPAT_TEXTURE(Source, tex + yx.zw).xyz;
|
|
vec3 s20 = COMPAT_TEXTURE(Source, tex + yx.xw).xyz;
|
|
vec3 s22 = COMPAT_TEXTURE(Source, tex + yx.xy).xyz;
|
|
vec3 s02 = COMPAT_TEXTURE(Source, tex + yx.zy).xyz;
|
|
vec3 h00 = COMPAT_TEXTURE(Source, tex + xh.zw).xyz;
|
|
vec3 h20 = COMPAT_TEXTURE(Source, tex + xh.xw).xyz;
|
|
vec3 h22 = COMPAT_TEXTURE(Source, tex + xh.xy).xyz;
|
|
vec3 h02 = COMPAT_TEXTURE(Source, tex + xh.zy).xyz;
|
|
vec3 v00 = COMPAT_TEXTURE(Source, tex + yv.zw).xyz;
|
|
vec3 v20 = COMPAT_TEXTURE(Source, tex + yv.xw).xyz;
|
|
vec3 v22 = COMPAT_TEXTURE(Source, tex + yv.xy).xyz;
|
|
vec3 v02 = COMPAT_TEXTURE(Source, tex + yv.zy).xyz;
|
|
|
|
float m1=1.0/(dot(abs(s00-s22),dt)+0.00001);
|
|
float m2=1.0/(dot(abs(s02-s20),dt)+0.00001);
|
|
float h1=1.0/(dot(abs(s00-h22),dt)+0.00001);
|
|
float h2=1.0/(dot(abs(s02-h20),dt)+0.00001);
|
|
float h3=1.0/(dot(abs(h00-s22),dt)+0.00001);
|
|
float h4=1.0/(dot(abs(h02-s20),dt)+0.00001);
|
|
float v1=1.0/(dot(abs(s00-v22),dt)+0.00001);
|
|
float v2=1.0/(dot(abs(s02-v20),dt)+0.00001);
|
|
float v3=1.0/(dot(abs(v00-s22),dt)+0.00001);
|
|
float v4=1.0/(dot(abs(v02-s20),dt)+0.00001);
|
|
|
|
vec3 t1 = 0.5*(m1*(s00+s22)+m2*(s02+s20))/(m1+m2);
|
|
vec3 t2 = 0.5*(h1*(s00+h22)+h2*(s02+h20)+h3*(h00+s22)+h4*(h02+s20))/(h1+h2+h3+h4);
|
|
vec3 t3 = 0.5*(v1*(s00+v22)+v2*(s02+v20)+v3*(v00+s22)+v4*(v02+s20))/(v1+v2+v3+v4);
|
|
|
|
float k1 = 1.0/(dot(abs(t1-c11),dt)+0.00001);
|
|
float k2 = 1.0/(dot(abs(t2-c11),dt)+0.00001);
|
|
float k3 = 1.0/(dot(abs(t3-c11),dt)+0.00001);
|
|
|
|
FragColor = vec4((k1*t1 + k2*t2 + k3*t3)/(k1+k2+k3),1.0);
|
|
}
|
|
#endif
|