fireball/lib/renderers/shaders/ShaderChunk/logdepthbuf_vertex.glsl

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2018-12-25 13:59:22 +00:00
#ifdef USE_LOGDEPTHBUF
#ifdef USE_LOGDEPTHBUF_EXT
vFragDepth = 1.0 + gl_Position.w;
#else
gl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;
gl_Position.z *= gl_Position.w;
#endif
#endif