feat: add some gl neccessities

include/asw/modules/core.h

@@ -23,6 +23,14 @@ void update();
 ///
 void init(int width, int height, int scale = 1);
 
+/// @brief Initializes the core module for opengl.
+///
+/// @param width The width of the window.
+/// @param height The height of the window.
+/// @param scale The scale of the window.
+///
+void init_opengl(int width, int height, int scale = 1);
+
 /// @brief Prints information about the core module.
 ///
 void print_info();

include/asw/modules/display.h

@@ -25,6 +25,14 @@ namespace asw::display {
 ///
 void _init(int width, int height, int scale);
 
+/// @brief Initialize the display module with OpenGL support. Called by asw::core::init().
+///
+/// @param width The logical width of the display.
+/// @param height The logical height of the display.
+/// @param scale The initial window scale factor.
+///
+void _init_opengl(int width, int height, int scale);
+
 /// @brief Shut down the display module. Called by asw::core::shutdown().
 /// Nulls the renderer and window pointers before destroying them, so any
 /// outstanding shared_ptr asset deleters see a null renderer and become no-ops.
@@ -124,6 +132,17 @@ void present();
 ///
 void set_blend_mode(asw::BlendMode mode);
 
+/// @brief Warp mouse in window
+///
+/// @param x The x coordinate to warp to.
+/// @param y The y coordinate to warp to.
+///
+void warp_mouse(float x, float y);
+
+/// @brief Swap window (gl)
+///
+void swap_window();
+
 } // namespace asw::display
 
 #endif // ASW_DISPLAY_H

src/modules/core.cpp

@@ -150,6 +150,29 @@ void asw::core::init(int width, int height, int scale)
     asw::display::_init(width, height, scale);
 }
 
+void asw::core::init_opengl(int width, int height, int scale)
+{
+    if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_GAMEPAD)) {
+        asw::util::abort_on_error("SDL_Init");
+    }
+
+    if (!TTF_Init()) {
+        asw::util::abort_on_error("TTF_Init");
+    }
+
+    if (!asw::sound::_init()) {
+        asw::util::abort_on_error("Sound initialization failed");
+    }
+
+    // --- Set GL attributes before creating the window ---
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); // Request OpenGL 3.x
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+
+    asw::display::_init_opengl(width, height, scale);
+}
+
 void asw::core::print_info()
 {
     asw::log::info("ASW Info");

src/modules/display.cpp

@@ -23,8 +23,25 @@ void asw::display::_init(int width, int height, int scale)
 
     renderer = SDL_CreateRenderer(window, nullptr);
 
-    SDL_SetRenderLogicalPresentation(
-        renderer, width, height, SDL_LOGICAL_PRESENTATION_LETTERBOX);
+    SDL_SetRenderLogicalPresentation(renderer, width, height, SDL_LOGICAL_PRESENTATION_LETTERBOX);
+}
+
+void asw::display::_init_opengl(int width, int height, int scale)
+{
+    window = SDL_CreateWindow(
+        "", width * scale, height * scale, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
+    if (window == nullptr) {
+        asw::util::abort_on_error("WINDOW");
+    }
+
+    SDL_GLContext glcontext = SDL_GL_CreateContext(window);
+    if (glcontext == nullptr) {
+        asw::util::abort_on_error("SDL_GL_CreateContext");
+    }
+
+    if (!SDL_GL_MakeCurrent(window, glcontext)) {
+        asw::util::abort_on_error("SDL_GL_MakeCurrent");
+    }
 }
 
 void asw::display::_shutdown()
@@ -72,6 +89,7 @@ void asw::display::set_icon(const std::string& path)
 void asw::display::set_fullscreen(bool fullscreen)
 {
     SDL_SetWindowFullscreen(window, fullscreen);
+    SDL_SyncWindow(window);
 }
 
 void asw::display::set_resolution(int w, int h)
@@ -161,3 +179,13 @@ void asw::display::set_blend_mode(asw::BlendMode mode)
 {
     SDL_SetRenderDrawBlendMode(renderer, static_cast<SDL_BlendMode>(mode));
 }
+
+void asw::display::warp_mouse(float x, float y)
+{
+    SDL_WarpMouseInWindow(window, x, y);
+}
+
+void asw::display::swap_window()
+{
+    SDL_GL_SwapWindow(window);
+}