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- //This file is automatically rebuilt by the Cesium build process.
- export default "uniform sampler2D u_depthTexture;\n\
- varying vec2 v_textureCoordinates;\n\
- void main()\n\
- {\n\
- float z_window = czm_unpackDepth(texture2D(u_depthTexture, v_textureCoordinates));\n\
- z_window = czm_reverseLogDepth(z_window);\n\
- float n_range = czm_depthRange.near;\n\
- float f_range = czm_depthRange.far;\n\
- float z_ndc = (2.0 * z_window - n_range - f_range) / (f_range - n_range);\n\
- float scale = pow(z_ndc * 0.5 + 0.5, 8.0);\n\
- gl_FragColor = vec4(mix(vec3(0.0), vec3(1.0), scale), 1.0);\n\
- }\n\
- ";
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