21 lines
347 B
GLSL
21 lines
347 B
GLSL
#version 460
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// OUT
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in vec2 vUV;
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out vec4 fragColor;
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#include inc_functions.glsl
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#include inc_cp437.glsl
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uniform sampler2D iTex0;
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uniform int iFPS;
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void main() {
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vec2 uv = 1 - vUV;
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// vec2 uv = vUV;
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vec3 c = texture(iTex0, uv).xyz;
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c = mix(c, 1 - c, write_int(uv * 20, vec2(0.1, 0.1), iFPS, 2));
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fragColor = vec4(c, 1);
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}
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