luboslenco
26 lines
729 B
GLSL
26 lines
729 B
GLSL
#version 450
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uniform sampler2D tex;
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uniform sampler2D gbuffer0;
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uniform vec2 dir_inv;
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#include "std/gbuffer.glsl"
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in vec2 tex_coord;
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out vec4 frag_color;
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void main() {
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float roughness = textureLod(gbuffer0, tex_coord, 0.0).b;
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if (roughness >= 0.8) { // No reflections
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frag_color.rgb = textureLod(tex, tex_coord, 0.0).rgb;
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return;
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}
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frag_color.rgb = textureLod(tex, tex_coord + dir_inv * 2.5, 0.0).rgb;
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frag_color.rgb += textureLod(tex, tex_coord + dir_inv * 1.5, 0.0).rgb;
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frag_color.rgb += textureLod(tex, tex_coord, 0.0).rgb;
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frag_color.rgb += textureLod(tex, tex_coord - dir_inv * 1.5, 0.0).rgb;
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frag_color.rgb += textureLod(tex, tex_coord - dir_inv * 2.5, 0.0).rgb;
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frag_color.rgb /= vec3(5.0, 5.0, 5.0);
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}
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