13 lines
237 B
GLSL
13 lines
237 B
GLSL
// Input texture
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uniform sampler2D tex_in;
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// Input texture coordinate
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in vec2 ove_texcoord;
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out vec4 frag_color;
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void main() {
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vec4 color = texture(tex_in, ove_texcoord);
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color.rgb = 1.0 - color.rgb;
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frag_color = color;
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}
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