37 lines
871 B
GLSL
37 lines
871 B
GLSL
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#version 330 core
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in VS_OUT {
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vec2 texcoord;
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vec3 vertex_normal;
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float autumn_flag;
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} fs_in;
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uniform sampler2D color_tex;
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uniform float cseason;
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// gbuffer_pack.glsl
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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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// color.glsl
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vec3 eotf_inverse_sRGB(vec3 srgb);
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void main()
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{
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vec4 texel = texture(color_tex, fs_in.texcoord);
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if (texel.a < 0.33)
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discard;
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// Seasonal color changes
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if (cseason < 1.5 && fs_in.autumn_flag > 0.0) {
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texel.r = min(1.0, (1.0 + 5.0 * cseason * fs_in.autumn_flag) * texel.r);
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texel.b = max(0.0, (1.0 - 8.0 * cseason) * texel.b);
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}
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vec3 color = eotf_inverse_sRGB(texel.rgb);
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vec3 N = normalize(fs_in.vertex_normal);
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gbuffer_pack(N, color, 0.0, 1.0, 1.0, vec3(0.0), 3u);
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}
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