// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2023 MizunagiKB <mizukb@live.jp>
// GDCubism shader: Mask
shader_type canvas_item;
render_mode blend_mix, unshaded;

uniform vec4 channel : source_color;
uniform sampler2D tex_main : filter_linear_mipmap;

void fragment() {
    COLOR = channel * texture(tex_main, UV).a;
}