mirror of
https://github.com/nunuhara/xsystem4.git
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kichikuou
eaa7f3d8d0
This HLL provides functionality for loading, managing, and rendering animations stored in the MAD file format. A MAD file consists of a header followed by a series of QNT image frames.
27 lines
927 B
GLSL
27 lines
927 B
GLSL
/* Copyright (C) 2023 kichikuou <KichikuouChrome@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://gnu.org/licenses/>.
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*/
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uniform sampler2D tex;
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in vec2 tex_coord;
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out vec4 frag_color;
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void main() {
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vec4 texel = texture(tex, tex_coord);
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float gray = dot(texel.rgb, vec3(0.299, 0.587, 0.114));
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frag_color = vec4(vec3(gray), texel.a);
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}
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