150 lines
2.8 KiB
GLSL
150 lines
2.8 KiB
GLSL
#version 150
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#define float2 vec2
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#define float3 vec3
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#define float4 vec4
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uniform Push
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{
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vec4 SourceSize;
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float SFX_RAA;
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}params;
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#pragma parameterSFX_RAA¡2.00.010.00.05
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layout(std140) uniform UBO
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{
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mat4 MVP;
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}global;
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layout(location = 0) in vec2 vTexCoord;
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layout(location = 0) out vec4 FragColor;
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uniform sampler2D Source;
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uniform sampler2D refpass;
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vec4 loadCrn(vec4 x){
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return floor(mod(x * 80 + 0.5, 9));
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}
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vec4 loadMid(vec4 x){
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return floor(mod(x * 8.888888 + 0.055555, 9));
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}
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vec3 res2x(vec3 pre2, vec3 pre1, vec3 px, vec3 pos1, vec3 pos2)
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{
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vec3 t, m;
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mat4x3 pre = mat4x3(pre2, pre1, px, pos1);
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mat4x3 pos = mat4x3(pre1, px, pos1, pos2);
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mat4x3 df = pos - pre;
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m = mix(px, 1 - px, step(px, vec3(0.5)));
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m = params . SFX_RAA * min(m, min(abs(df[1]), abs(df[2])));
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t =(7 *(df[1]+ df[2])- 3 *(df[0]+ df[3]))/ 16;
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t = clamp(t, - m, m);
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return t;
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}
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void main()
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{
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vec4 E = texture(Source, vTexCoord);
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vec2 fc = fract(vTexCoord * params . SourceSize . xy);
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vec2 fp = floor(3.0 * fc);
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vec4 hn = texture(Source, vTexCoord + vec2(fp . x - 1, 0)/ params . SourceSize . xy);
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vec4 vn = texture(Source, vTexCoord + vec2(0, fp . y - 1)/ params . SourceSize . xy);
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vec4 crn = loadCrn(E), hc = loadCrn(hn), vc = loadCrn(vn);
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vec4 mid = loadMid(E), hm = loadMid(hn), vm = loadMid(vn);
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vec3 res = fp . y == 0 ?(fp . x == 0 ? vec3(crn . x, hc . y, vc . w): fp . x == 1 ? vec3(mid . x, 0, vm . z): vec3(crn . y, hc . x, vc . z)):(fp . y == 1 ?(fp . x == 0 ? vec3(mid . w, hm . y, 0): fp . x == 1 ? vec3(0): vec3(mid . y, hm . w, 0)):(fp . x == 0 ? vec3(crn . w, hc . z, vc . x): fp . x == 1 ? vec3(mid . z, 0, vm . x): vec3(crn . z, hc . w, vc . y)));
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vec3 E0 = textureOffset(refpass, vTexCoord, ivec2(0, 0)). rgb;
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vec3 B0 = textureOffset(refpass, vTexCoord, ivec2(0, - 1)). rgb, B1 = textureOffset(refpass, vTexCoord, ivec2(0, - 2)). rgb, H0 = textureOffset(refpass, vTexCoord, ivec2(0, 1)). rgb, H1 = textureOffset(refpass, vTexCoord, ivec2(0, 2)). rgb;
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vec3 D0 = textureOffset(refpass, vTexCoord, ivec2(- 1, 0)). rgb, D1 = textureOffset(refpass, vTexCoord, ivec2(- 2, 0)). rgb, F0 = textureOffset(refpass, vTexCoord, ivec2(1, 0)). rgb, F1 = textureOffset(refpass, vTexCoord, ivec2(2, 0)). rgb;
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vec3 sfx = res . x == 1. ? D0 : res . x == 2. ? D1 : res . x == 3. ? F0 : res . x == 4. ? F1 : res . x == 5. ? B0 : res . x == 6. ? B1 : res . x == 7. ? H0 : H1;
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vec2 w = 2. * fc - 1.;
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w . x = res . y == 0. ? w . x : 0.;
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w . y = res . z == 0. ? w . y : 0.;
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vec3 t1 = res2x(D1, D0, E0, F0, F1);
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vec3 t2 = res2x(B1, B0, E0, H0, H1);
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vec3 a = min(min(min(min(B0, D0), E0), F0), H0);
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vec3 b = max(max(max(max(B0, D0), E0), F0), H0);
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vec3 raa = clamp(E0 + w . x * t1 + w . y * t2, a, b);
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FragColor = vec4((res . x != 0.)? sfx : raa, 0.);
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}
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