mirror of
https://github.com/koel/koel
synced 2024-12-20 17:43:36 +00:00
42 lines
953 B
TypeScript
42 lines
953 B
TypeScript
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export const skyboxFrag =
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`
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#define A 0.15
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#define B 0.50
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#define C 0.10
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#define D 0.20
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#define E 0.02
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#define F 0.30
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uniform samplerCube u_cubemap;
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uniform samplerCube u_cubemap_b;
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uniform float cross_fader;
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uniform float u_exposure;
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uniform float u_gamma;
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uniform bool u_show_cubemap;
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varying vec3 v_direction;
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vec3 Uncharted2Tonemap( vec3 x ){
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return ((x*(A*x+C*B)+D*E)/(x*(A*x+B)+D*F))-E/F;
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}
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void main( void ){
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vec3 cube_a = pow( abs(textureCube( u_cubemap, v_direction ).rgb), vec3( 2.2 ) );
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vec3 cube_b = pow( abs(textureCube( u_cubemap_b, v_direction ).rgb), vec3( 2.2 ) );
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vec3 color = mix(cube_a, cube_b, cross_fader);
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// apply the tone-mapping
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// color = Uncharted2Tonemap( color * u_exposure );
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// white balance
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// color = color * ( 1. / Uncharted2Tonemap( vec3( 20. ) ) );
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// gamma correction
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// color = pow( color, vec3( 1. / u_gamma ) );
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color *= u_show_cubemap ? 1. : 0.;
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gl_FragColor = vec4( color, 1. );
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}
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`
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