573 lines
14 KiB
Text
573 lines
14 KiB
Text
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//Anime4K GLSL v1.0 Release Candidate 2
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// MIT License
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// Copyright (c) 2019 bloc97, DextroseRe
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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 all
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// 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 THE
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// SOFTWARE.
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//!DESC anime-sharpen_10 (Luma)
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//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
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//!HOOK LUMA
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//!BIND HOOKED
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//!WIDTH OUTPUT.w
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//!HEIGHT OUTPUT.h
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//!SAVE LUMAX
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//!COMPONENTS 1
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vec4 hook() {
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return HOOKED_tex(HOOKED_pos);
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}
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//!DESC anime-sharpen_10 (ComputeGaussianX)
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//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
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//!HOOK LUMA
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//!BIND HOOKED
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//!BIND LUMAX
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//!SAVE LUMAG
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//!COMPONENTS 1
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float lumGaussian7(vec2 pos, vec2 d) {
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float g = LUMA_tex(pos - (d * 3)).x * 0.121597;
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g = g + LUMA_tex(pos - (d * 2)).x * 0.142046;
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g = g + LUMA_tex(pos - d).x * 0.155931;
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g = g + LUMA_tex(pos).x * 0.160854;
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g = g + LUMA_tex(pos + d).x * 0.155931;
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g = g + LUMA_tex(pos + (d * 2)).x * 0.142046;
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g = g + LUMA_tex(pos + (d * 3)).x * 0.121597;
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return clamp(g, 0, 1); //Clamp for sanity check
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}
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vec4 hook() {
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float g = lumGaussian7(HOOKED_pos, vec2(LUMAX_pt.x, 0));
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return vec4(g, 0, 0, 0);
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}
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//!DESC anime-sharpen_10 (ComputeGaussianY)
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//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
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//!HOOK LUMA
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//!BIND HOOKED
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//!BIND LUMAX
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//!BIND LUMAG
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//!SAVE LUMAG
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//!COMPONENTS 1
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float lumGaussian7(vec2 pos, vec2 d) {
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float g = LUMAG_tex(pos - (d * 3)).x * 0.121597;
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g = g + LUMAG_tex(pos - (d * 2)).x * 0.142046;
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g = g + LUMAG_tex(pos - d).x * 0.155931;
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g = g + LUMAG_tex(pos).x * 0.160854;
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g = g + LUMAG_tex(pos + d).x * 0.155931;
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g = g + LUMAG_tex(pos + (d * 2)).x * 0.142046;
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g = g + LUMAG_tex(pos + (d * 3)).x * 0.121597;
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return clamp(g, 0, 1); //Clamp for sanity check
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}
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vec4 hook() {
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float g = lumGaussian7(HOOKED_pos, vec2(0, LUMAX_pt.y));
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return vec4(g, 0, 0, 0);
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}
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//!DESC anime-sharpen_10 (LineDetect)
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//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
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//!HOOK LUMA
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//!BIND HOOKED
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//!BIND LUMAG
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//!SAVE LUMAG
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//!COMPONENTS 1
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#define BlendColorDodgef(base, blend) (((blend) == 1.0) ? (blend) : min((base) / (1.0 - (blend)), 1.0))
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#define BlendColorDividef(top, bottom) (((bottom) == 1.0) ? (bottom) : min((top) / (bottom), 1.0))
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// Component wise blending
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#define Blend(base, blend, funcf) vec3(funcf(base.r, blend.r), funcf(base.g, blend.g), funcf(base.b, blend.b))
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#define BlendColorDodge(base, blend) Blend(base, blend, BlendColorDodgef)
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vec4 hook() {
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float lum = clamp(LUMA_tex(HOOKED_pos).x, 0.001, 0.999);
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float lumg = clamp(LUMAG_tex(HOOKED_pos).x, 0.001, 0.999);
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float pseudolines = BlendColorDividef(lum, lumg);
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pseudolines = 1 - clamp(pseudolines - 0.05, 0, 1);
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return vec4(pseudolines, 0, 0, 0);
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}
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//!DESC anime-sharpen_10 (ComputeLineGaussianX)
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//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
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//!HOOK LUMA
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//!BIND HOOKED
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//!BIND LUMAX
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//!BIND LUMAG
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//!SAVE LUMAG
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//!COMPONENTS 1
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float lumGaussian7(vec2 pos, vec2 d) {
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float g = LUMAG_tex(pos - (d * 3)).x * 0.121597;
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g = g + LUMAG_tex(pos - (d * 2)).x * 0.142046;
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g = g + LUMAG_tex(pos - d).x * 0.155931;
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g = g + LUMAG_tex(pos).x * 0.160854;
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g = g + LUMAG_tex(pos + d).x * 0.155931;
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g = g + LUMAG_tex(pos + (d * 2)).x * 0.142046;
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g = g + LUMAG_tex(pos + (d * 3)).x * 0.121597;
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return clamp(g, 0, 1); //Clamp for sanity check
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}
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vec4 hook() {
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float g = lumGaussian7(HOOKED_pos, vec2(LUMAX_pt.x, 0));
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return vec4(g, 0, 0, 0);
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}
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//!DESC anime-sharpen_10 (ComputeLineGaussianY)
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//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
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//!HOOK LUMA
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//!BIND HOOKED
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//!BIND LUMAX
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//!BIND LUMAG
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//!SAVE LUMAG
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//!COMPONENTS 1
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float lumGaussian7(vec2 pos, vec2 d) {
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float g = LUMAG_tex(pos - (d * 3)).x * 0.121597;
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g = g + LUMAG_tex(pos - (d * 2)).x * 0.142046;
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g = g + LUMAG_tex(pos - d).x * 0.155931;
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g = g + LUMAG_tex(pos).x * 0.160854;
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g = g + LUMAG_tex(pos + d).x * 0.155931;
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g = g + LUMAG_tex(pos + (d * 2)).x * 0.142046;
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g = g + LUMAG_tex(pos + (d * 3)).x * 0.121597;
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return clamp(g, 0, 1); //Clamp for sanity check
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}
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vec4 hook() {
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float g = lumGaussian7(HOOKED_pos, vec2(0, LUMAX_pt.y));
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return vec4(g, 0, 0, 0);
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}
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//!DESC anime-sharpen_10 (ComputeGradientX)
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//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
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//!HOOK LUMA
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//!BIND HOOKED
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//!BIND LUMAX
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//!SAVE LUMAD
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//!COMPONENTS 2
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vec4 hook() {
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vec2 d = LUMAX_pt;
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//[tl t tr]
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//[ l c r]
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//[bl b br]
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float l = LUMA_tex(HOOKED_pos + vec2(-d.x, 0)).x;
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float c = LUMA_tex(HOOKED_pos).x;
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float r = LUMA_tex(HOOKED_pos + vec2(d.x, 0)).x;
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//Horizontal Gradient
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//[-1 0 1]
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//[-2 0 2]
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//[-1 0 1]
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float xgrad = (-l + r);
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//Vertical Gradient
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//[-1 -2 -1]
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//[ 0 0 0]
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//[ 1 2 1]
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float ygrad = (l + c + c + r);
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//Computes the luminance's gradient
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return vec4(xgrad, ygrad, 0, 0);
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}
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//!DESC anime-sharpen_10 (ComputeGradientY)
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//!HOOK LUMA
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//!BIND HOOKED
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//!BIND LUMAX
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//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
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//!BIND LUMAD
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//!SAVE LUMAD
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//!COMPONENTS 1
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vec4 hook() {
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vec2 d = LUMAX_pt;
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//[tl t tr]
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//[ l cc r]
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//[bl b br]
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float tx = LUMAD_tex(HOOKED_pos + vec2(0, -d.y)).x;
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float cx = LUMAD_tex(HOOKED_pos).x;
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float bx = LUMAD_tex(HOOKED_pos + vec2(0, d.y)).x;
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float ty = LUMAD_tex(HOOKED_pos + vec2(0, -d.y)).y;
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//float cy = LUMAD_tex(HOOKED_pos).y;
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float by = LUMAD_tex(HOOKED_pos + vec2(0, d.y)).y;
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//Horizontal Gradient
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//[-1 0 1]
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//[-2 0 2]
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//[-1 0 1]
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float xgrad = (tx + cx + cx + bx);
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//Vertical Gradient
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//[-1 -2 -1]
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//[ 0 0 0]
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//[ 1 2 1]
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float ygrad = (-ty + by);
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//Computes the luminance's gradient
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return vec4(1 - clamp(sqrt(xgrad * xgrad + ygrad * ygrad), 0, 1), 0, 0, 0);
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}
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//!DESC anime-sharpen_10 (ThinLines)
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//!HOOK SCALED
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//!BIND HOOKED
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//!BIND LUMA
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//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
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//!BIND LUMAG
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#define LINE_DETECT_THRESHOLD 0.06
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#define lineprob (LUMAG_tex(HOOKED_pos).x)
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float getLum(vec4 rgb) {
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return (rgb.r + rgb.r + rgb.g + rgb.g + rgb.g + rgb.b) / 6.0;
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}
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vec4 getLargest(vec4 cc, vec4 lightestColor, vec4 a, vec4 b, vec4 c) {
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float strength = min((SCALED_size.x) / (LUMA_size.x) / 6.0, 1);
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vec4 newColor = cc * (1 - strength) + ((a + b + c) / 3.0) * strength;
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if (newColor.a > lightestColor.a) {
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return newColor;
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}
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return lightestColor;
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}
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vec4 getRGBL(vec2 pos) {
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return vec4(HOOKED_tex(pos).rgb, LUMA_tex(pos).x);
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}
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float min3v(vec4 a, vec4 b, vec4 c) {
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return min(min(a.a, b.a), c.a);
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}
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float max3v(vec4 a, vec4 b, vec4 c) {
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return max(max(a.a, b.a), c.a);
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}
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vec4 hook() {
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if (lineprob < LINE_DETECT_THRESHOLD) {
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return HOOKED_tex(HOOKED_pos);
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}
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vec2 d = HOOKED_pt;
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vec4 cc = getRGBL(HOOKED_pos);
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vec4 t = getRGBL(HOOKED_pos + vec2(0, -d.y));
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vec4 tl = getRGBL(HOOKED_pos + vec2(-d.x, -d.y));
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vec4 tr = getRGBL(HOOKED_pos + vec2(d.x, -d.y));
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vec4 l = getRGBL(HOOKED_pos + vec2(-d.x, 0));
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vec4 r = getRGBL(HOOKED_pos + vec2(d.x, 0));
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vec4 b = getRGBL(HOOKED_pos + vec2(0, d.y));
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vec4 bl = getRGBL(HOOKED_pos + vec2(-d.x, d.y));
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vec4 br = getRGBL(HOOKED_pos + vec2(d.x, d.y));
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vec4 lightestColor = cc;
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//Kernel 0 and 4
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float maxDark = max3v(br, b, bl);
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float minLight = min3v(tl, t, tr);
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if (minLight > cc.a && minLight > maxDark) {
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lightestColor = getLargest(cc, lightestColor, tl, t, tr);
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} else {
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maxDark = max3v(tl, t, tr);
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minLight = min3v(br, b, bl);
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if (minLight > cc.a && minLight > maxDark) {
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lightestColor = getLargest(cc, lightestColor, br, b, bl);
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}
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}
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//Kernel 1 and 5
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maxDark = max3v(cc, l, b);
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minLight = min3v(r, t, tr);
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if (minLight > maxDark) {
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lightestColor = getLargest(cc, lightestColor, r, t, tr);
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} else {
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maxDark = max3v(cc, r, t);
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minLight = min3v(bl, l, b);
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if (minLight > maxDark) {
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lightestColor = getLargest(cc, lightestColor, bl, l, b);
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}
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}
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//Kernel 2 and 6
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maxDark = max3v(l, tl, bl);
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minLight = min3v(r, br, tr);
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if (minLight > cc.a && minLight > maxDark) {
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lightestColor = getLargest(cc, lightestColor, r, br, tr);
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} else {
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|
|
maxDark = max3v(r, br, tr);
|
||
|
|
minLight = min3v(l, tl, bl);
|
||
|
|
if (minLight > cc.a && minLight > maxDark) {
|
||
|
|
lightestColor = getLargest(cc, lightestColor, l, tl, bl);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//Kernel 3 and 7
|
||
|
|
maxDark = max3v(cc, l, t);
|
||
|
|
minLight = min3v(r, br, b);
|
||
|
|
|
||
|
|
if (minLight > maxDark) {
|
||
|
|
lightestColor = getLargest(cc, lightestColor, r, br, b);
|
||
|
|
} else {
|
||
|
|
maxDark = max3v(cc, r, b);
|
||
|
|
minLight = min3v(t, l, tl);
|
||
|
|
if (minLight > maxDark) {
|
||
|
|
lightestColor = getLargest(cc, lightestColor, t, l, tl);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
return lightestColor;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//!DESC anime-sharpen_10 (Refine)
|
||
|
|
//!HOOK SCALED
|
||
|
|
//!BIND HOOKED
|
||
|
|
//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
|
||
|
|
//!BIND LUMA
|
||
|
|
//!BIND LUMAD
|
||
|
|
//!BIND LUMAG
|
||
|
|
|
||
|
|
#define LINE_DETECT_MUL 6
|
||
|
|
#define LINE_DETECT_THRESHOLD 0.06
|
||
|
|
#define MAX_STRENGTH 1
|
||
|
|
|
||
|
|
#define strength (min((SCALED_size.x) / (LUMA_size.x), 1))
|
||
|
|
#define lineprob (LUMAG_tex(HOOKED_pos).x)
|
||
|
|
|
||
|
|
vec4 getAverage(vec4 cc, vec4 a, vec4 b, vec4 c) {
|
||
|
|
float realstrength = clamp(strength * lineprob * LINE_DETECT_MUL, 0, MAX_STRENGTH);
|
||
|
|
return cc * (1 - realstrength) + ((a + b + c) / 3) * realstrength;
|
||
|
|
}
|
||
|
|
|
||
|
|
vec4 getRGBL(vec2 pos) {
|
||
|
|
return vec4(HOOKED_tex(pos).rgb, LUMAD_tex(pos).x);
|
||
|
|
}
|
||
|
|
|
||
|
|
float min3v(vec4 a, vec4 b, vec4 c) {
|
||
|
|
return min(min(a.a, b.a), c.a);
|
||
|
|
}
|
||
|
|
float max3v(vec4 a, vec4 b, vec4 c) {
|
||
|
|
return max(max(a.a, b.a), c.a);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
vec4 hook() {
|
||
|
|
|
||
|
|
if (lineprob < LINE_DETECT_THRESHOLD) {
|
||
|
|
return HOOKED_tex(HOOKED_pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
vec2 d = HOOKED_pt;
|
||
|
|
|
||
|
|
vec4 cc = getRGBL(HOOKED_pos);
|
||
|
|
vec4 t = getRGBL(HOOKED_pos + vec2(0, -d.y));
|
||
|
|
vec4 tl = getRGBL(HOOKED_pos + vec2(-d.x, -d.y));
|
||
|
|
vec4 tr = getRGBL(HOOKED_pos + vec2(d.x, -d.y));
|
||
|
|
|
||
|
|
vec4 l = getRGBL(HOOKED_pos + vec2(-d.x, 0));
|
||
|
|
vec4 r = getRGBL(HOOKED_pos + vec2(d.x, 0));
|
||
|
|
|
||
|
|
vec4 b = getRGBL(HOOKED_pos + vec2(0, d.y));
|
||
|
|
vec4 bl = getRGBL(HOOKED_pos + vec2(-d.x, d.y));
|
||
|
|
vec4 br = getRGBL(HOOKED_pos + vec2(d.x, d.y));
|
||
|
|
|
||
|
|
//Kernel 0 and 4
|
||
|
|
float maxDark = max3v(br, b, bl);
|
||
|
|
float minLight = min3v(tl, t, tr);
|
||
|
|
|
||
|
|
if (minLight > cc.a && minLight > maxDark) {
|
||
|
|
return getAverage(cc, tl, t, tr);
|
||
|
|
} else {
|
||
|
|
maxDark = max3v(tl, t, tr);
|
||
|
|
minLight = min3v(br, b, bl);
|
||
|
|
if (minLight > cc.a && minLight > maxDark) {
|
||
|
|
return getAverage(cc, br, b, bl);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//Kernel 1 and 5
|
||
|
|
maxDark = max3v(cc, l, b);
|
||
|
|
minLight = min3v(r, t, tr);
|
||
|
|
|
||
|
|
if (minLight > maxDark) {
|
||
|
|
return getAverage(cc, r, t, tr);
|
||
|
|
} else {
|
||
|
|
maxDark = max3v(cc, r, t);
|
||
|
|
minLight = min3v(bl, l, b);
|
||
|
|
if (minLight > maxDark) {
|
||
|
|
return getAverage(cc, bl, l, b);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//Kernel 2 and 6
|
||
|
|
maxDark = max3v(l, tl, bl);
|
||
|
|
minLight = min3v(r, br, tr);
|
||
|
|
|
||
|
|
if (minLight > cc.a && minLight > maxDark) {
|
||
|
|
return getAverage(cc, r, br, tr);
|
||
|
|
} else {
|
||
|
|
maxDark = max3v(r, br, tr);
|
||
|
|
minLight = min3v(l, tl, bl);
|
||
|
|
if (minLight > cc.a && minLight > maxDark) {
|
||
|
|
return getAverage(cc, l, tl, bl);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//Kernel 3 and 7
|
||
|
|
maxDark = max3v(cc, l, t);
|
||
|
|
minLight = min3v(r, br, b);
|
||
|
|
|
||
|
|
if (minLight > maxDark) {
|
||
|
|
return getAverage(cc, r, br, b);
|
||
|
|
} else {
|
||
|
|
maxDark = max3v(cc, r, b);
|
||
|
|
minLight = min3v(t, l, tl);
|
||
|
|
if (minLight > maxDark) {
|
||
|
|
return getAverage(cc, t, l, tl);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
return cc;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//Fast FXAA (1 Iteration) courtesy of Geeks3D
|
||
|
|
//https://www.geeks3d.com/20110405/fxaa-fast-approximate-anti-aliasing-demo-glsl-opengl-test-radeon-geforce/3/
|
||
|
|
|
||
|
|
//!DESC anime-sharpen_10 (PostFXAA)
|
||
|
|
//!HOOK SCALED
|
||
|
|
//!BIND HOOKED
|
||
|
|
//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
|
||
|
|
//!BIND LUMA
|
||
|
|
//!BIND LUMAG
|
||
|
|
|
||
|
|
#define FXAA_MIN (1.0 / 128.0)
|
||
|
|
#define FXAA_MUL (1.0 / 8.0)
|
||
|
|
#define FXAA_SPAN 8.0
|
||
|
|
|
||
|
|
#define LINE_DETECT_MUL 6
|
||
|
|
#define LINE_DETECT_THRESHOLD 0.06
|
||
|
|
|
||
|
|
#define strength (min((SCALED_size.x) / (LUMA_size.x), 1))
|
||
|
|
#define lineprob (LUMAG_tex(HOOKED_pos).x)
|
||
|
|
|
||
|
|
vec4 getAverage(vec4 cc, vec4 xc) {
|
||
|
|
float prob = clamp(lineprob, 0, 1);
|
||
|
|
if (prob < LINE_DETECT_THRESHOLD) {
|
||
|
|
prob = 0;
|
||
|
|
}
|
||
|
|
float realstrength = clamp(strength * prob * LINE_DETECT_MUL, 0, 1);
|
||
|
|
return cc * (1 - realstrength) + xc * realstrength;
|
||
|
|
}
|
||
|
|
|
||
|
|
float getLum(vec4 rgb) {
|
||
|
|
return (rgb.r + rgb.r + rgb.g + rgb.g + rgb.g + rgb.b) / 6;
|
||
|
|
}
|
||
|
|
|
||
|
|
vec4 hook() {
|
||
|
|
|
||
|
|
if (lineprob < LINE_DETECT_THRESHOLD) {
|
||
|
|
return HOOKED_tex(HOOKED_pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
vec2 d = HOOKED_pt;
|
||
|
|
|
||
|
|
|
||
|
|
vec4 cc = HOOKED_tex(HOOKED_pos);
|
||
|
|
vec4 xc = cc;
|
||
|
|
|
||
|
|
float t = HOOKED_tex(HOOKED_pos + vec2(0, -d.y)).x;
|
||
|
|
float l = HOOKED_tex(HOOKED_pos + vec2(-d.x, 0)).x;
|
||
|
|
float r = HOOKED_tex(HOOKED_pos + vec2(d.x, 0)).x;
|
||
|
|
float b = HOOKED_tex(HOOKED_pos + vec2(0, d.y)).x;
|
||
|
|
|
||
|
|
float tl = HOOKED_tex(HOOKED_pos + vec2(-d.x, -d.y)).x;
|
||
|
|
float tr = HOOKED_tex(HOOKED_pos + vec2(d.x, -d.y)).x;
|
||
|
|
float bl = HOOKED_tex(HOOKED_pos + vec2(-d.x, d.y)).x;
|
||
|
|
float br = HOOKED_tex(HOOKED_pos + vec2(d.x, d.y)).x;
|
||
|
|
float cl = HOOKED_tex(HOOKED_pos).x;
|
||
|
|
|
||
|
|
float minl = min(cl, min(min(tl, tr), min(bl, br)));
|
||
|
|
float maxl = max(cl, max(max(tl, tr), max(bl, br)));
|
||
|
|
|
||
|
|
vec2 dir = vec2(- tl - tr + bl + br, tl - tr + bl - br);
|
||
|
|
|
||
|
|
float dirReduce = max((tl + tr + bl + br) *
|
||
|
|
(0.25 * FXAA_MUL), FXAA_MIN);
|
||
|
|
|
||
|
|
float rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);
|
||
|
|
dir = min(vec2(FXAA_SPAN, FXAA_SPAN),
|
||
|
|
max(vec2(-FXAA_SPAN, -FXAA_SPAN),
|
||
|
|
dir * rcpDirMin)) * d;
|
||
|
|
|
||
|
|
vec4 rgbA = 0.5 * (
|
||
|
|
HOOKED_tex(HOOKED_pos + dir * -(1.0/6.0)) +
|
||
|
|
HOOKED_tex(HOOKED_pos + dir * (1.0/6.0)));
|
||
|
|
vec4 rgbB = rgbA * 0.5 + 0.25 * (
|
||
|
|
HOOKED_tex(HOOKED_pos + dir * -0.5) +
|
||
|
|
HOOKED_tex(HOOKED_pos + dir * 0.5));
|
||
|
|
|
||
|
|
|
||
|
|
float lumb = getLum(rgbB);
|
||
|
|
|
||
|
|
if ((lumb < minl) || (lumb > maxl)) {
|
||
|
|
xc = rgbA;
|
||
|
|
} else {
|
||
|
|
xc = rgbB;
|
||
|
|
}
|
||
|
|
return getAverage(cc, xc);
|
||
|
|
}
|