@cesium/engine
Version:
CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.
27 lines (26 loc) • 712 B
JavaScript
//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\
";