186 lines
6.3 KiB
GLSL
186 lines
6.3 KiB
GLSL
// MIT License
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// Copyright (c) 2023 João Chrisóstomo
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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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//!HOOK POSTKERNEL
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//!BIND POSTKERNEL
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//!BIND PREKERNEL
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//!DESC Pixel Clipper (Upscaling AR)
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//!WHEN POSTKERNEL.w PREKERNEL.w / 1.000 > POSTKERNEL.h PREKERNEL.h / 1.000 > *
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#define TWELVE_TAP_AR 0
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const float strength = 0.8;
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vec4 hook() {
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vec2 pp = PREKERNEL_pos * PREKERNEL_size - vec2(0.5);
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vec2 fp = floor(pp);
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vec4 f = PREKERNEL_tex(vec2((fp + vec2( 0.5, 0.5)) * PREKERNEL_pt));
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vec4 g = PREKERNEL_tex(vec2((fp + vec2( 1.5, 0.5)) * PREKERNEL_pt));
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vec4 j = PREKERNEL_tex(vec2((fp + vec2( 0.5, 1.5)) * PREKERNEL_pt));
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vec4 k = PREKERNEL_tex(vec2((fp + vec2( 1.5, 1.5)) * PREKERNEL_pt));
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#if (TWELVE_TAP_AR == 1)
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vec4 b = PREKERNEL_tex(vec2((fp + vec2(0.5, -0.5)) * PREKERNEL_pt));
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vec4 c = PREKERNEL_tex(vec2((fp + vec2(1.5, -0.5)) * PREKERNEL_pt));
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vec4 e = PREKERNEL_tex(vec2((fp + vec2(-0.5, 0.5)) * PREKERNEL_pt));
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vec4 h = PREKERNEL_tex(vec2((fp + vec2( 2.5, 0.5)) * PREKERNEL_pt));
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vec4 i = PREKERNEL_tex(vec2((fp + vec2(-0.5, 1.5)) * PREKERNEL_pt));
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vec4 l = PREKERNEL_tex(vec2((fp + vec2( 2.5, 1.5)) * PREKERNEL_pt));
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vec4 n = PREKERNEL_tex(vec2((fp + vec2(0.5, 2.5) ) * PREKERNEL_pt));
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vec4 o = PREKERNEL_tex(vec2((fp + vec2(1.5, 2.5) ) * PREKERNEL_pt));
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#endif
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vec4 min_pix = vec4(1e8);
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min_pix = min(min_pix, f);
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min_pix = min(min_pix, g);
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min_pix = min(min_pix, j);
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min_pix = min(min_pix, k);
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#if (TWELVE_TAP_AR == 1)
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min_pix = min(min_pix, b);
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min_pix = min(min_pix, c);
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min_pix = min(min_pix, e);
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min_pix = min(min_pix, h);
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min_pix = min(min_pix, i);
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min_pix = min(min_pix, l);
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min_pix = min(min_pix, n);
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min_pix = min(min_pix, o);
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#endif
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vec4 max_pix = vec4(1e-8);
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max_pix = max(max_pix, f);
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max_pix = max(max_pix, g);
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max_pix = max(max_pix, j);
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max_pix = max(max_pix, k);
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#if (TWELVE_TAP_AR == 1)
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max_pix = max(max_pix, b);
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max_pix = max(max_pix, c);
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max_pix = max(max_pix, e);
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max_pix = max(max_pix, h);
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max_pix = max(max_pix, i);
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max_pix = max(max_pix, l);
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max_pix = max(max_pix, n);
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max_pix = max(max_pix, o);
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#endif
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//Sample current high-res pixel
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vec4 hr_pix = POSTKERNEL_texOff(0.0);
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// Clamp the intensity so it doesn't ring
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vec4 clipped = clamp(hr_pix, min_pix, max_pix);
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return mix(hr_pix, clipped, strength);
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}
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//!HOOK CHROMA_SCALED
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//!BIND CHROMA
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//!BIND CHROMA_SCALED
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//!DESC Pixel Clipper (Chroma AR)
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//!WHEN CHROMA_SCALED.w CHROMA.w / 1.000 > CHROMA_SCALED.h CHROMA.h / 1.000 > *
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#define TWELVE_TAP_AR 0
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const float strength = 0.8;
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vec4 hook() {
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vec2 pp = CHROMA_pos * CHROMA_size - vec2(0.5);
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vec2 fp = floor(pp);
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vec4 f = CHROMA_tex(vec2((fp + vec2( 0.5, 0.5)) * CHROMA_pt));
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vec4 g = CHROMA_tex(vec2((fp + vec2( 1.5, 0.5)) * CHROMA_pt));
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vec4 j = CHROMA_tex(vec2((fp + vec2( 0.5, 1.5)) * CHROMA_pt));
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vec4 k = CHROMA_tex(vec2((fp + vec2( 1.5, 1.5)) * CHROMA_pt));
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#if (TWELVE_TAP_AR == 1)
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vec4 b = CHROMA_tex(vec2((fp + vec2(0.5, -0.5)) * CHROMA_pt));
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vec4 c = CHROMA_tex(vec2((fp + vec2(1.5, -0.5)) * CHROMA_pt));
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vec4 e = CHROMA_tex(vec2((fp + vec2(-0.5, 0.5)) * CHROMA_pt));
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vec4 h = CHROMA_tex(vec2((fp + vec2( 2.5, 0.5)) * CHROMA_pt));
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vec4 i = CHROMA_tex(vec2((fp + vec2(-0.5, 1.5)) * CHROMA_pt));
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vec4 l = CHROMA_tex(vec2((fp + vec2( 2.5, 1.5)) * CHROMA_pt));
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vec4 n = CHROMA_tex(vec2((fp + vec2(0.5, 2.5) ) * CHROMA_pt));
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vec4 o = CHROMA_tex(vec2((fp + vec2(1.5, 2.5) ) * CHROMA_pt));
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#endif
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vec4 min_pix = vec4(1e8);
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min_pix = min(min_pix, f);
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min_pix = min(min_pix, g);
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min_pix = min(min_pix, j);
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min_pix = min(min_pix, k);
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#if (TWELVE_TAP_AR == 1)
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min_pix = min(min_pix, b);
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min_pix = min(min_pix, c);
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min_pix = min(min_pix, e);
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min_pix = min(min_pix, h);
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min_pix = min(min_pix, i);
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min_pix = min(min_pix, l);
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min_pix = min(min_pix, n);
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min_pix = min(min_pix, o);
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#endif
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vec4 max_pix = vec4(1e-8);
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max_pix = max(max_pix, f);
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max_pix = max(max_pix, g);
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max_pix = max(max_pix, j);
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max_pix = max(max_pix, k);
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#if (TWELVE_TAP_AR == 1)
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max_pix = max(max_pix, b);
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max_pix = max(max_pix, c);
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max_pix = max(max_pix, e);
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max_pix = max(max_pix, h);
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max_pix = max(max_pix, i);
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max_pix = max(max_pix, l);
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max_pix = max(max_pix, n);
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max_pix = max(max_pix, o);
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#endif
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//Sample current high-res pixel
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vec4 hr_pix = CHROMA_SCALED_texOff(0.0);
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// Clamp the intensity so it doesn't ring
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vec4 clipped = clamp(hr_pix, min_pix, max_pix);
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return mix(hr_pix, clipped, strength);
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}
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//!HOOK POSTKERNEL
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//!BIND PREKERNEL
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//!BIND POSTKERNEL
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//!DESC Pixel Clipper (Downscaling AR)
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//!WHEN POSTKERNEL.w PREKERNEL.w / 1.000 < POSTKERNEL.h PREKERNEL.h / 1.000 < *
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const float strength = 1.0;
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vec4 hook() {
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int radius = int(ceil((PREKERNEL_size.x / POSTKERNEL_size.x) * 0.5));
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vec4 pix = vec4(0.0);
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vec4 min_pix = vec4(1e8);
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vec4 max_pix = vec4(1e-8);
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for (int dx = -radius; dx <= radius; dx++) {
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for (int dy = -radius; dy <= radius; dy++) {
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pix = PREKERNEL_texOff(vec2(dx, dy));
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min_pix = min(pix, min_pix);
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max_pix = max(pix, max_pix);
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}
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}
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vec4 lr_pix = POSTKERNEL_texOff(0.0);
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vec4 clipped = clamp(lr_pix, min_pix, max_pix);
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return mix(lr_pix, clipped, strength);
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} |