33 lines
951 B
GLSL
33 lines
951 B
GLSL
#version 450
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layout(location = 1) in vec2 texCoord;
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layout(location = 0) out vec4 outColor;
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layout(set = 2, binding = 0) uniform sampler2D texSampler;
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layout(set = 3, binding = 0) uniform TextConfig
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{
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vec4 textColor;
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vec4 borderColor;
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vec4 backgroundColor;
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float threshold;
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float borderSize;
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float smoothing;
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} textConfig;
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void main()
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{
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float distance = texture(texSampler, texCoord).r;
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float alpha = smoothstep(textConfig.threshold - textConfig.smoothing, textConfig.threshold + textConfig.smoothing, distance);
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float border = smoothstep(textConfig.threshold + textConfig.borderSize - textConfig.smoothing,
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textConfig.threshold + textConfig.borderSize + textConfig.smoothing, distance);
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outColor = mix(textConfig.borderColor, textConfig.textColor, border) * alpha;
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if (textConfig.backgroundColor.a != 0)
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{
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outColor = mix(textConfig.backgroundColor, outColor, alpha);
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}
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}
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