three/src/renderers/shaders/ShaderLib/background.glsl.js

JavaScript 3D library

export const vertex = /* glsl */`
varying vec2 vUv;
uniform mat3 uvTransform;

void main() {

	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;

	gl_Position = vec4( position.xy, 1.0, 1.0 );

}
`;

export const fragment = /* glsl */`
uniform sampler2D t2D;

varying vec2 vUv;

void main() {

	vec4 texColor = texture2D( t2D, vUv );

	gl_FragColor = mapTexelToLinear( texColor );

	#include <tonemapping_fragment>
	#include <encodings_fragment>

}
`;