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#include "applicationBase.h"
#include "imgui_wrap.h"
#include <SDL2/SDL.h>
#include <stdexcept>
ApplicationBase::ApplicationBase()
{
initSDL();
initImGUI();
}
void
ApplicationBase::initSDL() const
{
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS) < 0) {
throw std::runtime_error(SDL_GetError());
}
const auto setGlAttribute = [](auto attr, auto value) {
if (SDL_GL_SetAttribute(attr, value) < 0) {
throw std::runtime_error(SDL_GetError());
}
};
setGlAttribute(SDL_GL_RED_SIZE, 8);
setGlAttribute(SDL_GL_GREEN_SIZE, 8);
setGlAttribute(SDL_GL_BLUE_SIZE, 8);
setGlAttribute(SDL_GL_ALPHA_SIZE, 8);
setGlAttribute(SDL_GL_BUFFER_SIZE, 32);
setGlAttribute(SDL_GL_DEPTH_SIZE, 16);
setGlAttribute(SDL_GL_DOUBLEBUFFER, 1);
setGlAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
setGlAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
setGlAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
setGlAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
}
void
ApplicationBase::initImGUI() const
{
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO & io = ImGui::GetIO();
io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
io.ConfigFlags |= ImGuiConfigFlags_DockingEnable; // Enable docking
io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable; // Enable viewports
io.IniFilename = nullptr; // Disable saving settings automagically
}
ApplicationBase::~ApplicationBase()
{
SDL_Quit();
ImGui::DestroyContext();
}
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