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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | //This file is automatically rebuilt by the Cesium build process.
export default "// emulated noperspective\n\
#if !defined(LOG_DEPTH)\n\
in float v_WindowZ;\n\
#endif\n\
\n\
/**\n\
* Emulates GL_DEPTH_CLAMP. Clamps a fragment to the near and far plane\n\
* by writing the fragment's depth. See czm_depthClamp for more details.\n\
*\n\
* @name czm_writeDepthClamp\n\
* @glslFunction\n\
*\n\
* @example\n\
* out_FragColor = color;\n\
* czm_writeDepthClamp();\n\
*\n\
* @see czm_depthClamp\n\
*/\n\
void czm_writeDepthClamp()\n\
{\n\
#if (!defined(LOG_DEPTH) && (__VERSION__ == 300 || defined(GL_EXT_frag_depth)))\n\
gl_FragDepth = clamp(v_WindowZ * gl_FragCoord.w, 0.0, 1.0);\n\
#endif\n\
}\n\
";
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