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#include "sdl_context.hpp"
#include <fud_assert.hpp>
#include <SDL.h>
#include <cassert>
#include <stdexcept>
namespace bookmouse {
using fud::assertFail;
SdlContext::SdlContext() {
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) {
const auto* lastError = SDL_GetError();
throw std::runtime_error{lastError};
}
// Decide GL+GLSL versions
#if defined(IMGUI_IMPL_OPENGL_ES2)
// GL ES 2.0 + GLSL 100
setAttribute(SDL_GL_CONTEXT_FLAGS, 0);
setAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
setAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
setAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
#elif defined(__APPLE__)
// GL 3.2 Core + GLSL 150
setAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG); // Always required on Mac
setAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
setAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
setAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
#else
// GL 3.0 + GLSL 130
setAttribute(SDL_GL_CONTEXT_FLAGS, 0);
setAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
setAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
setAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
#endif
// From 2.0.18: Enable native IME.
#ifdef SDL_HINT_IME_SHOW_UI
auto hintSet = SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");
fudAssert(hintSet == SDL_TRUE);
#endif
}
SdlContext::~SdlContext() {
SDL_Quit();
}
int SdlContext::setAttribute(SDL_GLattr attr, int value) const
{
auto result = SDL_GL_SetAttribute(attr, value);
assert(result == 0);
return result;
}
} // namespace bookmouse
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