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https://github.com/italicsjenga/slang-shaders.git
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335 lines
15 KiB
Plaintext
335 lines
15 KiB
Plaintext
#version 450
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/*
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Hyllian's xBR MultiLevel4 Shader - Pass1
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Copyright (C) 2011-2015 Hyllian - sergiogdb@gmail.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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layout(push_constant) uniform Push
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{
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vec4 SourceSize;
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vec4 OriginalSize;
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vec4 OutputSize;
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uint FrameCount;
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} params;
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layout(std140, set = 0, binding = 0) uniform UBO
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{
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mat4 MVP;
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} global;
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#define round(X) floor((X)+0.5)
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#define TEX(dx,dy) texture(Source, vTexCoord+vec2((dx),(dy))*t1).rgb
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#define mul(a,b) (b*a)
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const float cf2 = 2.0;
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const float cf3 = 4.0;
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const float cf4 = 4.0;
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const vec4 eq_thresholdold = vec4(15.0, 15.0, 15.0, 15.0);
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const vec4 eq_threshold = vec4( 2.0, 2.0, 2.0, 2.0);
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const vec4 eq_threshold3 = vec4(25.0, 25.0, 25.0, 25.0);
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const vec3 Yuv_weight = vec3(4.0, 1.0, 2.0);
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const mat3 yuv = mat3(0.299, 0.587, 0.114, -0.169, -0.331, 0.499, 0.499, -0.418, -0.0813);
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const mat3 yuvT = mat3(0.299, -0.169, 0.499, 0.587, -0.331, -0.418, 0.114, 0.499, -0.0813);
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const vec4 maximo = vec4(255.0, 255.0, 255.0, 255.0);
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vec4 df(vec4 A, vec4 B)
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{
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return vec4(abs(A-B));
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}
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bvec4 rd(vec4 A, vec4 B, vec4 C, vec4 D)
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{
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return (greaterThan(df(C,D)/(df(A,B)+0.000000001) , vec4(2.0)));
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}
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bvec4 id(vec4 A, vec4 B, vec4 C, vec4 D)
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{
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return greaterThan(df(C,D) , df(A,B));
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}
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vec4 remapTo01(vec4 v, vec4 high)
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{
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return (v/high);
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}
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bvec4 eq(vec4 A, vec4 B)
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{
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return lessThan(df(A, B) , eq_threshold);
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}
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bvec4 eq3(vec4 A, vec4 B)
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{
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return lessThan(df(A, B) , eq_threshold3);
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}
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vec4 weighted_distance(vec4 a, vec4 b, vec4 c, vec4 d, vec4 e, vec4 f, vec4 g, vec4 h)
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{
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return (df(a,b) + df(a,c) + df(d,e) + df(d,f) + 4.0*df(g,h));
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}
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bvec4 and(bvec4 A, bvec4 B)
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{
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return bvec4(A.x && B.x, A.y && B.y, A.z && B.z, A.w && B.w);
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}
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bvec4 or(bvec4 A, bvec4 B)
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{
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return bvec4(A.x || B.x, A.y || B.y, A.z || B.z, A.w || B.w);
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}
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#pragma stage vertex
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layout(location = 0) in vec4 Position;
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layout(location = 1) in vec2 TexCoord;
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layout(location = 0) out vec2 vTexCoord;
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layout(location = 1) out vec2 t1;
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void main()
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{
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gl_Position = global.MVP * Position;
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vTexCoord = TexCoord * 1.0004;
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// A3 B3 C3
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// A1 B1 C1
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//A2 A0 A B C C4 C6
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//D2 D0 D E F F4 F6
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//G2 G0 G H I I4 I6
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// G5 H5 I5
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// G7 H7 I7
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t1 = vec2(params.SourceSize.z, params.SourceSize.w); // F H
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}
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#pragma stage fragment
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layout(location = 0) in vec2 vTexCoord;
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layout(location = 1) in vec2 t1;
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layout(location = 0) out vec4 FragColor;
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layout(set = 0, binding = 2) uniform sampler2D Source;
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void main()
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{
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bvec4 edr0, edr, edr_left, edr_up, edr3_left, edr3_up, edr4_left, edr4_up; // edr = edge detection rule
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bvec4 interp_restriction_lv1, interp_restriction_lv2_left, interp_restriction_lv2_up;
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bvec4 interp_restriction_lv3_left, interp_restriction_lv3_up;
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bvec4 interp_restriction_lv4_left, interp_restriction_lv4_up;
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vec3 A3 = TEX(-1,-3); vec3 B3 = TEX( 0,-3); vec3 C3 = TEX( 1,-3);
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vec3 A1 = TEX(-1,-2); vec3 B1 = TEX( 0,-2); vec3 C1 = TEX( 1,-2);
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vec3 A2 = TEX(-3,-1); vec3 A0 = TEX(-2,-1); vec3 A = TEX(-1,-1); vec3 B = TEX( 0,-1); vec3 C = TEX( 1,-1); vec3 C4 = TEX( 2,-1); vec3 C6 = TEX( 3,-1);
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vec3 D2 = TEX(-3, 0); vec3 D0 = TEX(-2, 0); vec3 D = TEX(-1, 0); vec3 E = TEX( 0, 0); vec3 F = TEX( 1, 0); vec3 F4 = TEX( 2, 0); vec3 F6 = TEX( 3, 0);
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vec3 G2 = TEX(-3, 1); vec3 G0 = TEX(-2, 1); vec3 G = TEX(-1, 1); vec3 H = TEX( 0, 1); vec3 I = TEX( 1, 1); vec3 I4 = TEX( 2, 1); vec3 I6 = TEX( 3, 1);
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vec3 G5 = TEX(-1, 2); vec3 H5 = TEX( 0, 2); vec3 I5 = TEX( 1, 2);
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vec3 G7 = TEX(-1, 3); vec3 H7 = TEX( 0, 3); vec3 I7 = TEX( 1, 3);
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mat4x3 bdhf = mul( mat4x3(B, D, H, F), yuvT );
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bdhf = mat4x3(abs(bdhf[0]), abs(bdhf[1]), abs(bdhf[2]), abs(bdhf[3]));
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vec4 b = mul( bdhf, Yuv_weight);
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bdhf = mul( mat4x3(C, A, G, I), yuvT );
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bdhf = mat4x3(abs(bdhf[0]), abs(bdhf[1]), abs(bdhf[2]), abs(bdhf[3]));
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vec4 c = mul( bdhf, Yuv_weight);
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bdhf = mul( mat4x3(E, E, E, E), yuvT );
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bdhf = mat4x3(abs(bdhf[0]), abs(bdhf[1]), abs(bdhf[2]), abs(bdhf[3]));
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vec4 e = mul( bdhf, Yuv_weight);
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vec4 d = b.yzwx;
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vec4 f = b.wxyz;
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vec4 g = c.zwxy;
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vec4 h = b.zwxy;
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vec4 i = c.wxyz;
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bdhf = mul( mat4x3(I4, C1, A0, G5), yuvT );
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bdhf = mat4x3(abs(bdhf[0]), abs(bdhf[1]), abs(bdhf[2]), abs(bdhf[3]));
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vec4 i4 = mul( bdhf, Yuv_weight);
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bdhf = mul( mat4x3(I5, C4, A1, G0), yuvT );
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bdhf = mat4x3(abs(bdhf[0]), abs(bdhf[1]), abs(bdhf[2]), abs(bdhf[3]));
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vec4 i5 = mul( bdhf, Yuv_weight);
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bdhf = mul( mat4x3(H5, F4, B1, D0), yuvT );
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bdhf = mat4x3(abs(bdhf[0]), abs(bdhf[1]), abs(bdhf[2]), abs(bdhf[3]));
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vec4 h5 = mul( bdhf, Yuv_weight);
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vec4 f4 = h5.yzwx;
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vec4 c1 = i4.yzwx;
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vec4 g0 = i5.wxyz;
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vec4 b1 = h5.zwxy;
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vec4 d0 = h5.wxyz;
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bdhf = mul( mat4x3(I6, C3, A2, G7), yuvT );
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bdhf = mat4x3(abs(bdhf[0]), abs(bdhf[1]), abs(bdhf[2]), abs(bdhf[3]));
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vec4 i6 = mul( bdhf, Yuv_weight);
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bdhf = mul( mat4x3(I7, C6, A3, G2), yuvT );
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bdhf = mat4x3(abs(bdhf[0]), abs(bdhf[1]), abs(bdhf[2]), abs(bdhf[3]));
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vec4 i7 = mul( bdhf, Yuv_weight);
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bdhf = mul( mat4x3(H7, F6, B3, D2), yuvT );
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bdhf = mat4x3(abs(bdhf[0]), abs(bdhf[1]), abs(bdhf[2]), abs(bdhf[3]));
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vec4 h7 = mul( bdhf, Yuv_weight);
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vec4 f6 = h7.yzwx;
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vec4 c3 = i6.yzwx;
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vec4 g2 = i7.wxyz;
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vec4 b3 = h7.zwxy;
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vec4 d2 = h7.wxyz;
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//groan, gotta separate these into their components???
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interp_restriction_lv1.x = !(e.x==f.x) && !(e.x==h.x);
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interp_restriction_lv1.y = !(e.y==f.y) && !(e.y==h.y);
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interp_restriction_lv1.z = !(e.z==f.z) && !(e.z==h.z);
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interp_restriction_lv1.w = !(e.w==f.w) && !(e.w==h.w);
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interp_restriction_lv2_left.x = (e.x!=g.x && d.x!=g.x && (eq(e, d).x || eq(h, g).x));
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interp_restriction_lv2_left.y = (e.y!=g.y && d.y!=g.y && (eq(e, d).y || eq(h, g).y));
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interp_restriction_lv2_left.z = (e.z!=g.z && d.z!=g.z && (eq(e, d).z || eq(h, g).z));
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interp_restriction_lv2_left.w = (e.w!=g.w && d.w!=g.w && (eq(e, d).w || eq(h, g).w));
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interp_restriction_lv2_up.x = (e.x!=c.x && b.x!=c.x && (eq(e, b).x || eq(f, c).x));
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interp_restriction_lv2_up.y = (e.y!=c.y && b.y!=c.y && (eq(e, b).y || eq(f, c).y));
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interp_restriction_lv2_up.z = (e.z!=c.z && b.z!=c.z && (eq(e, b).z || eq(f, c).z));
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interp_restriction_lv2_up.w = (e.w!=c.w && b.w!=c.w && (eq(e, b).w || eq(f, c).w));
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interp_restriction_lv3_left.x = (e.x!=g0.x && d0.x!=g0.x && (eq(d,d0).x || eq(g,g0).x));
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interp_restriction_lv3_left.y = (e.y!=g0.y && d0.y!=g0.y && (eq(d,d0).y || eq(g,g0).y));
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interp_restriction_lv3_left.z = (e.z!=g0.z && d0.z!=g0.z && (eq(d,d0).z || eq(g,g0).z));
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interp_restriction_lv3_left.w = (e.w!=g0.w && d0.w!=g0.w && (eq(d,d0).w || eq(g,g0).w));
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interp_restriction_lv3_up.x = (e.x!=c1.x && b1.x!=c1.x && (eq(b,b1).x || eq(c,c1).x));
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interp_restriction_lv3_up.y = (e.y!=c1.y && b1.y!=c1.y && (eq(b,b1).y || eq(c,c1).y));
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interp_restriction_lv3_up.z = (e.z!=c1.z && b1.z!=c1.z && (eq(b,b1).z || eq(c,c1).z));
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interp_restriction_lv3_up.w = (e.w!=c1.w && b1.w!=c1.w && (eq(b,b1).w || eq(c,c1).w));
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interp_restriction_lv4_left.x = (e.x!=g2.x && d2.x!=g2.x && (eq(d0,d2).x || eq(g0,g2).x));
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interp_restriction_lv4_left.y = (e.y!=g2.y && d2.y!=g2.y && (eq(d0,d2).y || eq(g0,g2).y));
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interp_restriction_lv4_left.z = (e.z!=g2.z && d2.z!=g2.z && (eq(d0,d2).z || eq(g0,g2).z));
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interp_restriction_lv4_left.w = (e.w!=g2.w && d2.w!=g2.w && (eq(d0,d2).w || eq(g0,g2).w));
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interp_restriction_lv4_up.x = (e.x!=c3.x && b3.x!=c3.x && (eq(b1,b3).x || eq(c1,c3).x));
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interp_restriction_lv4_up.y = (e.y!=c3.y && b3.y!=c3.y && (eq(b1,b3).y || eq(c1,c3).y));
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interp_restriction_lv4_up.z = (e.z!=c3.z && b3.z!=c3.z && (eq(b1,b3).z || eq(c1,c3).z));
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interp_restriction_lv4_up.w = (e.w!=c3.w && b3.w!=c3.w && (eq(b1,b3).w || eq(c1,c3).w));
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vec4 wd1 = weighted_distance( e, c, g, i, h5, f4, h, f);
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vec4 wd2 = weighted_distance( h, d, i5, f, i4, b, e, i);
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edr0.x = (wd1.x <= wd2.x) && interp_restriction_lv1.x;
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edr0.y = (wd1.y <= wd2.y) && interp_restriction_lv1.y;
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edr0.z = (wd1.z <= wd2.z) && interp_restriction_lv1.z;
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edr0.w = (wd1.w <= wd2.w) && interp_restriction_lv1.w;
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edr.x = (wd1.x < wd2.x) && interp_restriction_lv1.x && ( !eq(f,b).x && !id(f,c,f,b).x || !eq(h,d).x && !id(h,g,h,d).x || eq(e,g).x || eq(e,c).x);
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edr.y = (wd1.y < wd2.y) && interp_restriction_lv1.y && ( !eq(f,b).y && !id(f,c,f,b).y || !eq(h,d).y && !id(h,g,h,d).y || eq(e,g).y || eq(e,c).y);
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edr.z = (wd1.z < wd2.z) && interp_restriction_lv1.z && ( !eq(f,b).z && !id(f,c,f,b).z || !eq(h,d).z && !id(h,g,h,d).z || eq(e,g).z || eq(e,c).z);
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edr.w = (wd1.w < wd2.w) && interp_restriction_lv1.w && ( !eq(f,b).w && !id(f,c,f,b).w || !eq(h,d).w && !id(h,g,h,d).w || eq(e,g).w || eq(e,c).w);
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edr_left.x = ((cf2*df(f,g).x) <= df(h,c).x) && interp_restriction_lv2_left.x && edr.x;
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edr_left.y = ((cf2*df(f,g).y) <= df(h,c).y) && interp_restriction_lv2_left.y && edr.y;
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edr_left.z = ((cf2*df(f,g).z) <= df(h,c).z) && interp_restriction_lv2_left.z && edr.z;
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edr_left.w = ((cf2*df(f,g).w) <= df(h,c).w) && interp_restriction_lv2_left.w && edr.w;
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edr_up.x = (df(f,g).x >= (cf2*df(h,c).x)) && interp_restriction_lv2_up.x && edr.x;
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edr_up.y = (df(f,g).y >= (cf2*df(h,c).y)) && interp_restriction_lv2_up.y && edr.y;
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edr_up.z = (df(f,g).z >= (cf2*df(h,c).z)) && interp_restriction_lv2_up.z && edr.z;
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edr_up.w = (df(f,g).w >= (cf2*df(h,c).w)) && interp_restriction_lv2_up.w && edr.w;
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edr3_left.x = ((cf3*df(f,g0).x) <= df(h,c1).x) && interp_restriction_lv3_left.x && edr_left.x;
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edr3_left.y = ((cf3*df(f,g0).y) <= df(h,c1).y) && interp_restriction_lv3_left.y && edr_left.y;
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edr3_left.z = ((cf3*df(f,g0).z) <= df(h,c1).z) && interp_restriction_lv3_left.z && edr_left.z;
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edr3_left.w = ((cf3*df(f,g0).w) <= df(h,c1).w) && interp_restriction_lv3_left.w && edr_left.w;
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edr3_up.x = (df(f,g0).x >= (cf3*df(h,c1).x)) && interp_restriction_lv3_up.x && edr_up.x;
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edr3_up.y = (df(f,g0).y >= (cf3*df(h,c1).y)) && interp_restriction_lv3_up.y && edr_up.y;
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edr3_up.z = (df(f,g0).z >= (cf3*df(h,c1).z)) && interp_restriction_lv3_up.z && edr_up.z;
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edr3_up.w = (df(f,g0).w >= (cf3*df(h,c1).w)) && interp_restriction_lv3_up.w && edr_up.w;
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edr4_left.x = ((cf4*df(f,g2).x) <= df(h,c3).x) && interp_restriction_lv4_left.x && edr3_left.x;
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edr4_left.y = ((cf4*df(f,g2).y) <= df(h,c3).y) && interp_restriction_lv4_left.y && edr3_left.y;
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edr4_left.z = ((cf4*df(f,g2).z) <= df(h,c3).z) && interp_restriction_lv4_left.z && edr3_left.z;
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edr4_left.w = ((cf4*df(f,g2).w) <= df(h,c3).w) && interp_restriction_lv4_left.w && edr3_left.w;
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edr4_up.x = (df(f,g2).x >= (cf4*df(h,c3).x)) && interp_restriction_lv4_up.x && edr3_up.x;
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edr4_up.y = (df(f,g2).y >= (cf4*df(h,c3).y)) && interp_restriction_lv4_up.y && edr3_up.y;
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edr4_up.z = (df(f,g2).z >= (cf4*df(h,c3).z)) && interp_restriction_lv4_up.z && edr3_up.z;
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edr4_up.w = (df(f,g2).w >= (cf4*df(h,c3).w)) && interp_restriction_lv4_up.w && edr3_up.w;
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/* condensed
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interp_restriction_lv2_left = or(and(and(notEqual(e,g) , notEqual(d,g)) , eq(e, d)) , eq(h, g));
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interp_restriction_lv2_up = or(and(and(notEqual(e,c) , notEqual(b,c)) , eq(e, b)) , eq(f, c));
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interp_restriction_lv3_left = or(and(and(notEqual(e,g0) , notEqual(d0,g0)) , eq(d,d0)) , eq(g,g0));
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interp_restriction_lv3_up = or(and(and(notEqual(e,c1) , notEqual(b1,c1)) , eq(b,b1)) , eq(c,c1));
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interp_restriction_lv4_left = or(and(and(notEqual(e,g2) , notEqual(d2,g2)) , eq(d0,d2)) , eq(g0,g2));
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interp_restriction_lv4_up = or(and(and(notEqual(e,c3) , notEqual(b3,c3)) , eq(b1,b3)) , eq(c1,c3));
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vec4 wd1 = weighted_distance( e, c, g, i, h5, f4, h, f);
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vec4 wd2 = weighted_distance( h, d, i5, f, i4, b, e, i);
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bvec4 comp1 = and(not(eq(h,d)) , not(id(h,g,h,d)));
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bvec4 comp2 = and(not(eq(f,b)) , not(id(f,c,f,b)));
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edr0 = and(lessThanEqual(wd1 , wd2) , interp_restriction_lv1);
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edr = and(lessThan(wd1 , wd2) , and(interp_restriction_lv1 , ( or(comp2 , or(comp1 , or(eq(e,g) , eq(e,c)))) ) ));
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edr_left = and(lessThanEqual((cf2*df(f,g)) , df(h,c)) , and(interp_restriction_lv2_left , edr));
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edr_up = and(greaterThanEqual(df(f,g) , (cf2*df(h,c))) , and(interp_restriction_lv2_up , edr));
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edr3_left = and(lessThanEqual((cf3*df(f,g0)) , df(h,c1)) , and(interp_restriction_lv3_left , edr_left));
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edr3_up = and(greaterThanEqual(df(f,g0) , (cf3*df(h,c1))) , and(interp_restriction_lv3_up , edr_up));
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edr4_left = and(lessThanEqual((cf4*df(f,g2)) , df(h,c3)) , and(interp_restriction_lv4_left , edr3_left));
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edr4_up = and(greaterThanEqual(df(f,g2) , (cf4*df(h,c3))) , and(interp_restriction_lv4_up , edr3_up));
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*/
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vec4 info;
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info.x = (edr0.x == true) ? 1.0 : 0.0;
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info.y = (edr0.y == true) ? 1.0 : 0.0;
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info.z = (edr0.z == true) ? 1.0 : 0.0;
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info.w = (edr0.w == true) ? 1.0 : 0.0;
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info.x = (edr.x == true) ? 2.0 : info.x;
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info.y = (edr.y == true) ? 2.0 : info.y;
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info.z = (edr.z == true) ? 2.0 : info.z;
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info.w = (edr.w == true) ? 2.0 : info.w;
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info.x = and(edr_up , not(edr_left)).x == true ? 3.0 : info.x;
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info.y = and(edr_up , not(edr_left)).y == true ? 3.0 : info.y;
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info.z = and(edr_up , not(edr_left)).z == true ? 3.0 : info.z;
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info.w = and(edr_up , not(edr_left)).w == true ? 3.0 : info.w;
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info.x = and(edr_left , not(edr_up)).x == true ? 4.0 : info.x;
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info.y = and(edr_left , not(edr_up)).y == true ? 4.0 : info.y;
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info.z = and(edr_left , not(edr_up)).z == true ? 4.0 : info.z;
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info.w = and(edr_left , not(edr_up)).w == true ? 4.0 : info.w;
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info.x = and(edr3_up , not(edr3_left)).x == true ? 5.0 : info.x;
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info.y = and(edr3_up , not(edr3_left)).y == true ? 5.0 : info.y;
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info.z = and(edr3_up , not(edr3_left)).z == true ? 5.0 : info.z;
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info.w = and(edr3_up , not(edr3_left)).w == true ? 5.0 : info.w;
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info.x = and(edr3_left , not(edr3_up)).x == true ? 6.0 : info.x;
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info.y = and(edr3_left , not(edr3_up)).y == true ? 6.0 : info.y;
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info.z = and(edr3_left , not(edr3_up)).z == true ? 6.0 : info.z;
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info.w = and(edr3_left , not(edr3_up)).w == true ? 6.0 : info.w;
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info.x = and(edr4_up , not(edr4_left)).x == true ? 7.0 : info.x;
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info.y = and(edr4_up , not(edr4_left)).y == true ? 7.0 : info.y;
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info.z = and(edr4_up , not(edr4_left)).z == true ? 7.0 : info.z;
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info.w = and(edr4_up , not(edr4_left)).w == true ? 7.0 : info.w;
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info.x = and(edr4_left , not(edr4_up)).x == true ? 8.0 : info.x;
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info.y = and(edr4_left , not(edr4_up)).y == true ? 8.0 : info.y;
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info.z = and(edr4_left , not(edr4_up)).z == true ? 8.0 : info.z;
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info.w = and(edr4_left , not(edr4_up)).w == true ? 8.0 : info.w;
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FragColor = vec4(remapTo01(info, maximo));
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} |