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1b286a95ab
Not sure if that single if statement counts as branching code, but it's generally a good idea to avoid if statements in shader code, so I used step instead.
9 lines
267 B
GLSL
9 lines
267 B
GLSL
shader_type canvas_item;
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void fragment() {
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vec3 inverted = vec3(1.0) - COLOR.rgb;
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vec3 screen_color = textureLod(SCREEN_TEXTURE, SCREEN_UV, 0.0).rgb;
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float avg = (screen_color.r + screen_color.g + screen_color.b) / 3.0;
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COLOR.rgb = inverted * step(avg, 0.5);
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}
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