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nunuhara_xsystem4/shaders/effects/crossfade.f.glsl
T

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GLSL

/* Copyright (C) 2019 Nunuhara Cabbage <nunuhara@haniwa.technology>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://gnu.org/licenses/>.
*/
uniform sampler2D tex; // the new scene
uniform sampler2D old; // the old scene
uniform float progress; // effect progress (0..1)
in vec2 tex_coord;
out vec4 frag_color;
void main() {
vec3 col = mix(texture(old, tex_coord), texture(tex, tex_coord), progress).xyz;
frag_color = vec4(col, 1.0);
}