28 lines
868 B
Text
28 lines
868 B
Text
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#version 330 core
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layout(location = 0) out vec4 out_gbuffer0;
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layout(location = 1) out vec4 out_gbuffer1;
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layout(location = 2) out vec4 out_gbuffer2;
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layout(location = 3) out vec3 out_gbuffer3;
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// normal_encoding.glsl
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vec2 encode_normal(vec3 n);
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/*
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* Write the given surface properties to the G-buffer.
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* See the HDR pipeline definition in $FG_ROOT/Compositor/HDR/hdr.xml for the
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* G-buffer layout.
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*/
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void gbuffer_pack(vec3 normal, vec3 base_color, float metallic, float roughness,
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float occlusion, vec3 emissive, uint mat_id)
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{
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out_gbuffer0.rg = encode_normal(normal);
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out_gbuffer0.b = roughness;
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out_gbuffer0.a = float(mat_id) * (1.0 / 3.0);
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out_gbuffer1.rgb = base_color;
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out_gbuffer1.a = metallic;
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out_gbuffer2.rgb = vec3(0.0); // unused
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out_gbuffer2.a = occlusion;
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out_gbuffer3.rgb = emissive;
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}
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