How to download and setup GL_OES_standard_derivatives
Open terminal and run command
                                            git clone https://github.com/JujuAdams/GL_OES_standard_derivatives.git
                                        
                                        git clone is used to create a copy or clone of GL_OES_standard_derivatives repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with GL_OES_standard_derivatives https://github.com/JujuAdams/GL_OES_standard_derivatives/archive/master.zip
Or simply clone GL_OES_standard_derivatives with SSH
                                            [email protected]:JujuAdams/GL_OES_standard_derivatives.git                                    
                                    If you have some problems with GL_OES_standard_derivatives
You may open issue on GL_OES_standard_derivatives support forum (system) here: https://github.com/JujuAdams/GL_OES_standard_derivatives/issuesSimilar to GL_OES_standard_derivatives repositories
Here you may see GL_OES_standard_derivatives alternatives and analogs
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