Compress a font texture sheet and add the texture data to the given texture sheet array. @param[in] pGrayscaleData Texture sheet data, stored as a contiguous array of 8-bit grayscale values. @param[in] textureWidth Width of the texture sheet. @param[in] textureHeight Height of the texture sheet. @param[in] compression Font texture sheet compression method to use. @param[in] rTextureShee
source not stored for this graph (policy: none)
nothing calls this directly
no test coverage detected