mirror of
https://github.com/jiawanlong/Cesium-Examples.git
synced 2025-11-04 09:14:17 +00:00
44 lines
591 B
JavaScript
44 lines
591 B
JavaScript
/**
|
|
* Gamma Correction Shader
|
|
* http://en.wikipedia.org/wiki/gamma_correction
|
|
*/
|
|
|
|
const GammaCorrectionShader = {
|
|
|
|
name: 'GammaCorrectionShader',
|
|
|
|
uniforms: {
|
|
|
|
'tDiffuse': { value: null }
|
|
|
|
},
|
|
|
|
vertexShader: /* glsl */`
|
|
|
|
varying vec2 vUv;
|
|
|
|
void main() {
|
|
|
|
vUv = uv;
|
|
gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
|
|
|
|
}`,
|
|
|
|
fragmentShader: /* glsl */`
|
|
|
|
uniform sampler2D tDiffuse;
|
|
|
|
varying vec2 vUv;
|
|
|
|
void main() {
|
|
|
|
vec4 tex = texture2D( tDiffuse, vUv );
|
|
|
|
gl_FragColor = LinearTosRGB( tex );
|
|
|
|
}`
|
|
|
|
};
|
|
|
|
export { GammaCorrectionShader };
|