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- #if defined(HAS_DEPTH_BUFFER)
- #if DEPTH_PACKING == 3200
- #define unpackDepth(rgba_depth) (1.0 - rgba_depth.r)
- #elif DEPTH_PACKING == 3201
- #define unpackDepth(rgba_depth) unpackRGBAToDepth(rgba_depth)
- #endif
- uniform sampler2D tDepthBuffer;
- #define getDepth(uv) unpackDepth(texture2D(tDepthBuffer, uv))
- #endif
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