GLCheck.cpp

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/*
 * =====================================================================================
 *
 *       Filename:  GLCheck.cpp
 *
 *    Description:
 *
 *        Created:  27/02/2019 01:42:04
 *
 *         Author:  SFML
 *
 * =====================================================================================
 */
#include "gk/core/Debug.hpp"
#include "gk/gl/GLCheck.hpp"
#include "gk/gl/OpenGL.hpp"

namespace gk {

namespace priv {

void glCheckError(const char* file, unsigned int line, const char* expression)
{
    // Get the last error
    GLenum errorCode = glGetError();

    if (errorCode != GL_NO_ERROR)
    {
        std::string fileString = file;
        std::string error = "Unknown error";
        std::string description  = "No description";

        // Decode the error code
        switch (errorCode)
        {
            case GL_INVALID_ENUM:
            {
                error = "GL_INVALID_ENUM";
                description = "An unacceptable value has been specified for an enumerated argument.";
                break;
            }

            case GL_INVALID_VALUE:
            {
                error = "GL_INVALID_VALUE";
                description = "A numeric argument is out of range.";
                break;
            }

            case GL_INVALID_OPERATION:
            {
                error = "GL_INVALID_OPERATION";
                description = "The specified operation is not allowed in the current state.";
                break;
            }

            case GL_STACK_OVERFLOW:
            {
                error = "GL_STACK_OVERFLOW";
                description = "This command would cause a stack overflow.";
                break;
            }

            case GL_STACK_UNDERFLOW:
            {
                error = "GL_STACK_UNDERFLOW";
                description = "This command would cause a stack underflow.";
                break;
            }

            case GL_OUT_OF_MEMORY:
            {
                error = "GL_OUT_OF_MEMORY";
                description = "There is not enough memory left to execute the command.";
                break;
            }

            default:
            {
                error = "GK_UNKNOWN_ERROR";
                description = "Unknown error: " + std::to_string(errorCode);
                break;
            }

            // case GLEXT_GL_INVALID_FRAMEBUFFER_OPERATION:
            // {
            //     error = "GL_INVALID_FRAMEBUFFER_OPERATION";
            //     description = "The object bound to FRAMEBUFFER_BINDING is not \"framebuffer complete\".";
            //     break;
            // }
        }

        // Log the error
        std::cerr << "An internal OpenGL call failed in "
            << fileString.substr(fileString.find_last_of("\\/") + 1) << "(" << line << ")."
            << "\nExpression:\n   " << expression
            << "\nError description:\n   " << error << "\n   " << description << "\n"
            << std::endl;
    }
}

} // namespace priv

} // namespace gk