mirror of
https://github.com/koel/koel
synced 2024-12-20 09:33:23 +00:00
41 lines
953 B
TypeScript
41 lines
953 B
TypeScript
export const skyboxFrag =
|
|
`
|
|
#define A 0.15
|
|
#define B 0.50
|
|
#define C 0.10
|
|
#define D 0.20
|
|
#define E 0.02
|
|
#define F 0.30
|
|
|
|
uniform samplerCube u_cubemap;
|
|
uniform samplerCube u_cubemap_b;
|
|
uniform float cross_fader;
|
|
uniform float u_exposure;
|
|
uniform float u_gamma;
|
|
uniform bool u_show_cubemap;
|
|
|
|
varying vec3 v_direction;
|
|
|
|
vec3 Uncharted2Tonemap( vec3 x ){
|
|
return ((x*(A*x+C*B)+D*E)/(x*(A*x+B)+D*F))-E/F;
|
|
}
|
|
|
|
void main( void ){
|
|
vec3 cube_a = pow( abs(textureCube( u_cubemap, v_direction ).rgb), vec3( 2.2 ) );
|
|
vec3 cube_b = pow( abs(textureCube( u_cubemap_b, v_direction ).rgb), vec3( 2.2 ) );
|
|
|
|
vec3 color = mix(cube_a, cube_b, cross_fader);
|
|
|
|
// apply the tone-mapping
|
|
// color = Uncharted2Tonemap( color * u_exposure );
|
|
// white balance
|
|
// color = color * ( 1. / Uncharted2Tonemap( vec3( 20. ) ) );
|
|
|
|
// gamma correction
|
|
// color = pow( color, vec3( 1. / u_gamma ) );
|
|
|
|
color *= u_show_cubemap ? 1. : 0.;
|
|
|
|
gl_FragColor = vec4( color, 1. );
|
|
}
|
|
`
|