GL_GraphicsContext.cpp

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#include "GL_GraphicsContext.hpp"
#include <glad/gl.h>
#include "Core/Application.hpp"
 
namespace Cori {
    namespace Graphics {
        namespace Internal {
            OpenGLContext::OpenGLContext() {
                SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0);
                SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
                SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
                SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 6);
                SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
                SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
#ifdef DEBUG_BUILD
                SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
#endif
 
            }
 
            OpenGLContext::~OpenGLContext() {
                SDL_GL_DestroyContext(m_Context);
                CORI_CORE_INFO_TAGGED({ Logger::Tags::Graphics::Self, Logger::Tags::Graphics::OpenGL, Logger::Tags::Graphics::GraphicsContext }, "OpenGL context destroyed");
            }
 
            void OpenGLContext::Init(SDL_Window* window) {
                m_Context = SDL_GL_CreateContext(window);
                CORI_CORE_ASSERT(m_Context, "OpenGL context could not be created! SDL_Error: {}", SDL_GetError());
 
 
                const int32_t glad_version = gladLoadGL((GLADloadfunc)SDL_GL_GetProcAddress);
                CORI_CORE_ASSERT(glad_version != 0, "Failed to initialize GLAD");
 
                CORI_CORE_DEBUG_TAGGED({ Logger::Tags::Graphics::Self, Logger::Tags::Graphics::OpenGL, Logger::Tags::Graphics::GraphicsContext }, "Rendering context was created successfully");
                CORI_CORE_TRACE_TAGGED({ Logger::Tags::Graphics::Self, Logger::Tags::Graphics::OpenGL, Logger::Tags::Graphics::GraphicsContext }, "Using hardware renderer: \n{4}Vendor: {0}\n{4}Renderer: {1}\n{4}OpenGL Version {2}\n{4}Shading Language Version: {3}",
                    std::string(reinterpret_cast<const char*>(glGetString(GL_VENDOR))),
                    std::string(reinterpret_cast<const char*>(glGetString(GL_RENDERER))),
                    std::string(reinterpret_cast<const char*>(glGetString(GL_VERSION))),
                    std::string(reinterpret_cast<const char*>(glGetString(GL_SHADING_LANGUAGE_VERSION))), CORI_SECOND_LINE_SPACING);
            }
 
            void OpenGLContext::SwapBuffers() {
                SDL_GL_SwapWindow(static_cast<SDL_Window*>(Core::Application::GetWindow().GetNativeWindow()));
            }
        }
    }
}