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