Find a resource and return a file object, or raise IOError.

credit @aqrit

Render the template with the specified local variables and return a single byte or unicode string. If it is a byte string, the encoding

Resolve an image directory name. Substitues ${xxx} placeholders in directory name with values in environment.

* Transforms an XYZ color to RGB in Rec.709. */

Aborts execution and causes a HTTP error.

! @brief public accept interface @param[in] strict whether to expect the last token to be EOF @return whether the input is a proper JSON

Add an additional response header, not removing duplicates.

clang-format off

@brief clears the contents @sa https://json.nlohmann.me/api/basic_json/clear/

Clear one of the available texture slots. The call is ignored with a warning if the slot doesn't exist. \param[in] The texture

Given a bounding cone specified by direction and cosine spread angle, compute the minimum cone angle that includes a second bounding cone.

Copies into col-major layout, as the NRD library works in column major layout, while Falcor uses row-major layout

slow emulation routine for 32-bit

Get the base color texture. */