9 lines
219 B
GLSL
9 lines
219 B
GLSL
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void mainImage( out vec4 fragColor, in vec2 fragCoord )
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{
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vec2 uv = fragCoord/iResolution.xy;
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vec4 color = texture(iChannel0, uv);
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fragColor = vec4(1.0 - color.x, 1.0 - color.y, 1.0 - color.z, color.w);
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}
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