25 lines
582 B
GLSL
25 lines
582 B
GLSL
#version 450
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#extension GL_GOOGLE_include_directive : enable
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#include "lib/common.glsl"
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IN(0, vec2, texcoord)
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OUT(0, vec4, color)
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SAMPLER(0, input)
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void main()
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{
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vec2 texelSize = 1.0 / vec2(textureSize(tex_input, 0));
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float result = 0.0;
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for (int x = -2; x < 2; ++x)
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{
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for (int y = -2; y < 2; ++y)
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{
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vec2 offset = vec2(float(x), float(y)) * texelSize;
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result += texture(tex_input, in_texcoord + offset).r;
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}
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}
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result = result / (4.0 * 4.0);
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out_color = vec4(result, result, result, 1);
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}
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