generated from krampus/template-godot4
31 lines
660 B
Plaintext
31 lines
660 B
Plaintext
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#pragma disable_preprocessor
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shader_type canvas_item;
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// 0: bypass
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uniform float color_depth: hint_range(0, 32, 8) = 24;
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uniform sampler2D dithering_pattern_texture:
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hint_default_white, repeat_enable, filter_nearest;
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void fragment()
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{
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vec3 base_color = texture(TEXTURE, UV).rgb;
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if (color_depth > 0.0)
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{
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vec2 dpt_size = vec2(textureSize(dithering_pattern_texture, 0));
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vec2 texture_size = vec2(textureSize(TEXTURE, 0));
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vec3 dithering = texture(
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dithering_pattern_texture, UV * (texture_size / dpt_size)).rgb - 0.5;
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COLOR.rgb = round(
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base_color.rgb * color_depth + dithering) / color_depth;
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}
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else
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{
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COLOR.rgb = base_color;
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}
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}
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