ogltest/src/glutil.cpp

#include "glutil.h"

GLenum glCheckError_(const char *file, int line)
{
    GLenum errorCode;
    while ((errorCode = glGetError()) != GL_NO_ERROR)
    {
        std::string error;
        switch (errorCode)
        {
            case GL_INVALID_ENUM:                  error = "INVALID_ENUM"; break;
            case GL_INVALID_VALUE:                 error = "INVALID_VALUE"; break;
            case GL_INVALID_OPERATION:             error = "INVALID_OPERATION"; break;
            case GL_STACK_OVERFLOW:                error = "STACK_OVERFLOW"; break;
            case GL_STACK_UNDERFLOW:               error = "STACK_UNDERFLOW"; break;
            case GL_OUT_OF_MEMORY:                 error = "OUT_OF_MEMORY"; break;
            case GL_INVALID_FRAMEBUFFER_OPERATION: error = "INVALID_FRAMEBUFFER_OPERATION"; break;
        }
        fmt::print("error::gl {} | {} {}\n", error, file, line);
    }
    return errorCode;
}



void printProgramLog( GLuint program )
{
	//Make sure name is shader
	if( glIsProgram( program ) )
	{
		//Program loglength
		int infoLogLength = 0;
		int maxLength = infoLogLength;
		
		//Get info string length
		glGetProgramiv( program, GL_INFO_LOG_LENGTH, &maxLength );
		
		//Allocate string
		char* infoLog = new char[ maxLength ];
		
		//Get info log
		glGetProgramInfoLog( program, maxLength, &infoLogLength, infoLog );
		if( infoLogLength > 0 )
		{
			//Print Log
            fmt::print( "{}\n", infoLog );
		}
		
		//Deallocate string
		delete[] infoLog;
	}
	else
	{
        fmt::print( "Name {} is not a program\n", program );
	}
}