From 84818c96f236cc4ff172dda2013aba231f68ff13 Mon Sep 17 00:00:00 2001 From: Ray Date: Mon, 16 Oct 2023 00:51:44 +0200 Subject: [PATCH] ADDED: NEW PLATFORM: SDL (DESKTOP) `rcore_desktop_sdl` #3313 --- src/rcore.c | 22 +- src/rcore_desktop_sdl.c | 755 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 769 insertions(+), 8 deletions(-) create mode 100644 src/rcore_desktop_sdl.c diff --git a/src/rcore.c b/src/rcore.c index f94731f9..b813b019 100644 --- a/src/rcore.c +++ b/src/rcore.c @@ -3,14 +3,18 @@ * rcore - Window/display management, Graphic device/context management and input management * * PLATFORMS SUPPORTED: -* - PLATFORM_DESKTOP: Windows (Win32, Win64) -* - PLATFORM_DESKTOP: Linux (X11 desktop mode) -* - PLATFORM_DESKTOP: FreeBSD, OpenBSD, NetBSD, DragonFly (X11 desktop) -* - PLATFORM_DESKTOP: OSX/macOS -* - PLATFORM_WEB: HTML5 (WebAssembly) -* - PLATFORM_DRM: Raspberry Pi 0-5 -* - PLATFORM_DRM: Linux native mode (KMS driver) -* - PLATFORM_ANDROID: Android (ARM, ARM64) +* - PLATFORM_DESKTOP: +* > Windows (Win32, Win64) +* > Linux (X11/Wayland desktop mode) +* > macOS/OSX (x64, arm64) +* > FreeBSD, OpenBSD, NetBSD, DragonFly (X11 desktop) +* - PLATFORM_WEB: +* > HTML5 (WebAssembly) +* - PLATFORM_DRM: +* > Raspberry Pi 0-5 +* > Linux native mode (KMS driver) +* - PLATFORM_ANDROID: +* > Android (ARM, ARM64) * * CONFIGURATION: * #define SUPPORT_DEFAULT_FONT (default) @@ -303,6 +307,8 @@ const char *TextFormat(const char *text, ...); // Formatting of text with // Include platform-specific submodules #if defined(PLATFORM_DESKTOP) #include "rcore_desktop.c" +#elif defined(PLATFORM_DESKTOP_SDL) + #include "rcore_desktop_sdl.c" #elif defined(PLATFORM_WEB) #include "rcore_web.c" #elif defined(PLATFORM_DRM) diff --git a/src/rcore_desktop_sdl.c b/src/rcore_desktop_sdl.c new file mode 100644 index 00000000..e85d1896 --- /dev/null +++ b/src/rcore_desktop_sdl.c @@ -0,0 +1,755 @@ +/********************************************************************************************** +* +* rcore_desktop_sdl - Functions to manage window, graphics device and inputs +* +* PLATFORM: DESKTOP: SDL +* - Windows (Win32, Win64) +* - Linux (X11/Wayland desktop mode) +* - FreeBSD, OpenBSD, NetBSD, DragonFly (X11 desktop) +* - OSX/macOS (x64, arm64) +* +* LIMITATIONS: +* - Limitation 01 +* - Limitation 02 +* +* POSSIBLE IMPROVEMENTS: +* - Improvement 01 +* - Improvement 02 +* +* ADDITIONAL NOTES: +* - TRACELOG() function is located in raylib [utils] module +* +* CONFIGURATION: +* #define RCORE_PLATFORM_CUSTOM_FLAG +* Custom flag for rcore on target platform -not used- +* +* DEPENDENCIES: +* - SDL 2 (main library) +* - Dependency 02 +* +* +* LICENSE: zlib/libpng +* +* Copyright (c) 2013-2023 Ramon Santamaria (@raysan5) and contributors +* +* This software is provided "as-is", without any express or implied warranty. In no event +* will the authors be held liable for any damages arising from the use of this software. +* +* Permission is granted to anyone to use this software for any purpose, including commercial +* applications, and to alter it and redistribute it freely, subject to the following restrictions: +* +* 1. The origin of this software must not be misrepresented; you must not claim that you +* wrote the original software. If you use this software in a product, an acknowledgment +* in the product documentation would be appreciated but is not required. +* +* 2. Altered source versions must be plainly marked as such, and must not be misrepresented +* as being the original software. +* +* 3. This notice may not be removed or altered from any source distribution. +* +**********************************************************************************************/ + +#include "rcore.h" + +#include "SDL.h" // SDL base library (window/rendered, input, timming... functionality) +#include "SDL_opengl.h" // SDL OpenGL functionality (if required, instead of internal renderer) + +//---------------------------------------------------------------------------------- +// Types and Structures Definition +//---------------------------------------------------------------------------------- +typedef struct { + SDL_Window *window; + SDL_GLContext glContext; + + SDL_Joystick *gamepad; +} PlatformData; + +//---------------------------------------------------------------------------------- +// Global Variables Definition +//---------------------------------------------------------------------------------- +extern CoreData CORE; // Global CORE state context + +static PlatformData platform = { 0 }; // Platform specific data + +//---------------------------------------------------------------------------------- +// Module Internal Functions Declaration +//---------------------------------------------------------------------------------- +static int InitPlatform(void); // Initialize platform (graphics, inputs and more) +static void ClosePlatform(void); // Close platform + +//---------------------------------------------------------------------------------- +// Module Functions Declaration +//---------------------------------------------------------------------------------- +// NOTE: Functions declaration is provided by raylib.h + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Window and Graphics Device +//---------------------------------------------------------------------------------- + +// Initialize window and OpenGL context +// NOTE: data parameter could be used to pass any kind of required data to the initialization +void InitWindow(int width, int height, const char *title) +{ + TRACELOG(LOG_INFO, "Initializing raylib %s", RAYLIB_VERSION); + + TRACELOG(LOG_INFO, "Supported raylib modules:"); + TRACELOG(LOG_INFO, " > rcore:..... loaded (mandatory)"); + TRACELOG(LOG_INFO, " > rlgl:...... loaded (mandatory)"); +#if defined(SUPPORT_MODULE_RSHAPES) + TRACELOG(LOG_INFO, " > rshapes:... loaded (optional)"); +#else + TRACELOG(LOG_INFO, " > rshapes:... not loaded (optional)"); +#endif +#if defined(SUPPORT_MODULE_RTEXTURES) + TRACELOG(LOG_INFO, " > rtextures:. loaded (optional)"); +#else + TRACELOG(LOG_INFO, " > rtextures:. not loaded (optional)"); +#endif +#if defined(SUPPORT_MODULE_RTEXT) + TRACELOG(LOG_INFO, " > rtext:..... loaded (optional)"); +#else + TRACELOG(LOG_INFO, " > rtext:..... not loaded (optional)"); +#endif +#if defined(SUPPORT_MODULE_RMODELS) + TRACELOG(LOG_INFO, " > rmodels:... loaded (optional)"); +#else + TRACELOG(LOG_INFO, " > rmodels:... not loaded (optional)"); +#endif +#if defined(SUPPORT_MODULE_RAUDIO) + TRACELOG(LOG_INFO, " > raudio:.... loaded (optional)"); +#else + TRACELOG(LOG_INFO, " > raudio:.... not loaded (optional)"); +#endif + + // Initialize window data + CORE.Window.screen.width = width; + CORE.Window.screen.height = height; + CORE.Window.eventWaiting = false; + CORE.Window.screenScale = MatrixIdentity(); // No draw scaling required by default + if ((title != NULL) && (title[0] != 0)) CORE.Window.title = title; + + // Initialize global input state + memset(&CORE.Input, 0, sizeof(CORE.Input)); // Reset CORE.Input structure to 0 + CORE.Input.Keyboard.exitKey = KEY_ESCAPE; + CORE.Input.Mouse.scale = (Vector2){ 1.0f, 1.0f }; + CORE.Input.Mouse.cursor = MOUSE_CURSOR_ARROW; + CORE.Input.Gamepad.lastButtonPressed = GAMEPAD_BUTTON_UNKNOWN; + + // Initialize platform + //-------------------------------------------------------------- + InitPlatform(); + //-------------------------------------------------------------- + + // Initialize rlgl default data (buffers and shaders) + // NOTE: CORE.Window.currentFbo.width and CORE.Window.currentFbo.height not used, just stored as globals in rlgl + rlglInit(CORE.Window.currentFbo.width, CORE.Window.currentFbo.height); + + // Setup default viewport + SetupViewport(CORE.Window.currentFbo.width, CORE.Window.currentFbo.height); + +#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) + // Load default font + // WARNING: External function: Module required: rtext + LoadFontDefault(); + #if defined(SUPPORT_MODULE_RSHAPES) + // Set font white rectangle for shapes drawing, so shapes and text can be batched together + // WARNING: rshapes module is required, if not available, default internal white rectangle is used + Rectangle rec = GetFontDefault().recs[95]; + if (CORE.Window.flags & FLAG_MSAA_4X_HINT) + { + // NOTE: We try to maxime rec padding to avoid pixel bleeding on MSAA filtering + SetShapesTexture(GetFontDefault().texture, (Rectangle){ rec.x + 2, rec.y + 2, 1, 1 }); + } + else + { + // NOTE: We set up a 1px padding on char rectangle to avoid pixel bleeding + SetShapesTexture(GetFontDefault().texture, (Rectangle){ rec.x + 1, rec.y + 1, rec.width - 2, rec.height - 2 }); + } + #endif +#else + #if defined(SUPPORT_MODULE_RSHAPES) + // Set default texture and rectangle to be used for shapes drawing + // NOTE: rlgl default texture is a 1x1 pixel UNCOMPRESSED_R8G8B8A8 + Texture2D texture = { rlGetTextureIdDefault(), 1, 1, 1, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8 }; + SetShapesTexture(texture, (Rectangle){ 0.0f, 0.0f, 1.0f, 1.0f }); // WARNING: Module required: rshapes + #endif +#endif +#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) + if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) + { + // Set default font texture filter for HighDPI (blurry) + // RL_TEXTURE_FILTER_LINEAR - tex filter: BILINEAR, no mipmaps + rlTextureParameters(GetFontDefault().texture.id, RL_TEXTURE_MIN_FILTER, RL_TEXTURE_FILTER_LINEAR); + rlTextureParameters(GetFontDefault().texture.id, RL_TEXTURE_MAG_FILTER, RL_TEXTURE_FILTER_LINEAR); + } +#endif + + // Initialize random seed + SetRandomSeed((unsigned int)time(NULL)); + +#if defined(SUPPORT_EVENTS_AUTOMATION) + events = (AutomationEvent *)RL_CALLOC(MAX_CODE_AUTOMATION_EVENTS, sizeof(AutomationEvent)); + CORE.Time.frameCounter = 0; +#endif + + TRACELOG(LOG_INFO, "PLATFORM: CUSTOM: Application initialized successfully"); +} + +// Close window and unload OpenGL context +void CloseWindow(void) +{ +#if defined(SUPPORT_GIF_RECORDING) + if (gifRecording) + { + MsfGifResult result = msf_gif_end(&gifState); + msf_gif_free(result); + gifRecording = false; + } +#endif + +#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) + UnloadFontDefault(); // WARNING: Module required: rtext +#endif + + rlglClose(); // De-init rlgl + + // De-initialize platform + //-------------------------------------------------------------- + ClosePlatform(); + //-------------------------------------------------------------- + +#if defined(SUPPORT_EVENTS_AUTOMATION) + RL_FREE(events); +#endif + + CORE.Window.ready = false; + TRACELOG(LOG_INFO, "Window closed successfully"); +} + +// Check if application should close +bool WindowShouldClose(void) +{ + if (CORE.Window.ready) return CORE.Window.shouldClose; + else return true; +} + +// Toggle fullscreen mode +void ToggleFullscreen(void) +{ + //SDL_SetWindowFullscreen +} + +// Toggle borderless windowed mode +void ToggleBorderlessWindowed(void) +{ + //SDL_SetWindowFullscreen +} + +// Set window state: maximized, if resizable +void MaximizeWindow(void) +{ + SDL_MaximizeWindow(platform.window); + CORE.Window.flags |= FLAG_WINDOW_MAXIMIZED; +} + +// Set window state: minimized +void MinimizeWindow(void) +{ + SDL_MinimizeWindow(platform.window); + CORE.Window.flags |= FLAG_WINDOW_MINIMIZED; +} + +// Set window state: not minimized/maximized +void RestoreWindow(void) +{ + SDL_ShowWindow(platform.window); +} + +// Set window configuration state using flags +void SetWindowState(unsigned int flags) +{ + //SDL_HideWindow(platform.window); +} + +// Clear window configuration state flags +void ClearWindowState(unsigned int flags) +{ + TRACELOG(LOG_WARNING, "ClearWindowState() not available on target platform"); +} + +// Set icon for window +void SetWindowIcon(Image image) +{ + TRACELOG(LOG_WARNING, "SetWindowIcon() not available on target platform"); +} + +// Set icon for window +void SetWindowIcons(Image *images, int count) +{ + TRACELOG(LOG_WARNING, "SetWindowIcons() not available on target platform"); +} + +// Set title for window +void SetWindowTitle(const char *title) +{ + CORE.Window.title = title; +} + +// Set window position on screen (windowed mode) +void SetWindowPosition(int x, int y) +{ + TRACELOG(LOG_WARNING, "SetWindowPosition() not available on target platform"); +} + +// Set monitor for the current window +void SetWindowMonitor(int monitor) +{ + TRACELOG(LOG_WARNING, "SetWindowMonitor() not available on target platform"); +} + +// Set window minimum dimensions (FLAG_WINDOW_RESIZABLE) +void SetWindowMinSize(int width, int height) +{ + CORE.Window.screenMin.width = width; + CORE.Window.screenMin.height = height; +} + +// Set window maximum dimensions (FLAG_WINDOW_RESIZABLE) +void SetWindowMaxSize(int width, int height) +{ + CORE.Window.screenMax.width = width; + CORE.Window.screenMax.height = height; +} + +// Set window dimensions +void SetWindowSize(int width, int height) +{ + TRACELOG(LOG_WARNING, "SetWindowSize() not available on target platform"); +} + +// Set window opacity, value opacity is between 0.0 and 1.0 +void SetWindowOpacity(float opacity) +{ + TRACELOG(LOG_WARNING, "SetWindowOpacity() not available on target platform"); +} + +// Set window focused +void SetWindowFocused(void) +{ + TRACELOG(LOG_WARNING, "SetWindowFocused() not available on target platform"); +} + +// Get native window handle +void *GetWindowHandle(void) +{ + TRACELOG(LOG_WARNING, "GetWindowHandle() not implemented on target platform"); + return NULL; +} + +// Get number of monitors +int GetMonitorCount(void) +{ + TRACELOG(LOG_WARNING, "GetMonitorCount() not implemented on target platform"); + return 1; +} + +// Get number of monitors +int GetCurrentMonitor(void) +{ + TRACELOG(LOG_WARNING, "GetCurrentMonitor() not implemented on target platform"); + return 0; +} + +// Get selected monitor position +Vector2 GetMonitorPosition(int monitor) +{ + TRACELOG(LOG_WARNING, "GetMonitorPosition() not implemented on target platform"); + return (Vector2){ 0, 0 }; +} + +// Get selected monitor width (currently used by monitor) +int GetMonitorWidth(int monitor) +{ + TRACELOG(LOG_WARNING, "GetMonitorWidth() not implemented on target platform"); + return 0; +} + +// Get selected monitor height (currently used by monitor) +int GetMonitorHeight(int monitor) +{ + TRACELOG(LOG_WARNING, "GetMonitorHeight() not implemented on target platform"); + return 0; +} + +// Get selected monitor physical width in millimetres +int GetMonitorPhysicalWidth(int monitor) +{ + TRACELOG(LOG_WARNING, "GetMonitorPhysicalWidth() not implemented on target platform"); + return 0; +} + +// Get selected monitor physical height in millimetres +int GetMonitorPhysicalHeight(int monitor) +{ + TRACELOG(LOG_WARNING, "GetMonitorPhysicalHeight() not implemented on target platform"); + return 0; +} + +// Get selected monitor refresh rate +int GetMonitorRefreshRate(int monitor) +{ + TRACELOG(LOG_WARNING, "GetMonitorRefreshRate() not implemented on target platform"); + return 0; +} + +// Get the human-readable, UTF-8 encoded name of the selected monitor +const char *GetMonitorName(int monitor) +{ + TRACELOG(LOG_WARNING, "GetMonitorName() not implemented on target platform"); + return ""; +} + +// Get window position XY on monitor +Vector2 GetWindowPosition(void) +{ + TRACELOG(LOG_WARNING, "GetWindowPosition() not implemented on target platform"); + return (Vector2){ 0, 0 }; +} + +// Get window scale DPI factor for current monitor +Vector2 GetWindowScaleDPI(void) +{ + TRACELOG(LOG_WARNING, "GetWindowScaleDPI() not implemented on target platform"); + return (Vector2){ 1.0f, 1.0f }; +} + +// Set clipboard text content +void SetClipboardText(const char *text) +{ + TRACELOG(LOG_WARNING, "SetClipboardText() not implemented on target platform"); +} + +// Get clipboard text content +// NOTE: returned string is allocated and freed by GLFW +const char *GetClipboardText(void) +{ + TRACELOG(LOG_WARNING, "GetClipboardText() not implemented on target platform"); + return NULL; +} + +// Show mouse cursor +void ShowCursor(void) +{ + CORE.Input.Mouse.cursorHidden = false; +} + +// Hides mouse cursor +void HideCursor(void) +{ + CORE.Input.Mouse.cursorHidden = true; +} + +// Enables cursor (unlock cursor) +void EnableCursor(void) +{ + // Set cursor position in the middle + SetMousePosition(CORE.Window.screen.width/2, CORE.Window.screen.height/2); + + CORE.Input.Mouse.cursorHidden = false; +} + +// Disables cursor (lock cursor) +void DisableCursor(void) +{ + // Set cursor position in the middle + SetMousePosition(CORE.Window.screen.width/2, CORE.Window.screen.height/2); + + CORE.Input.Mouse.cursorHidden = true; +} + +// Swap back buffer with front buffer (screen drawing) +void SwapScreenBuffer(void) +{ + SDL_GL_SwapWindow(platform.window); +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Misc +//---------------------------------------------------------------------------------- + +// Get elapsed time measure in seconds +double GetTime(void) +{ + unsigned int ms = SDL_GetTicks(); // Elapsed time in milliseconds since SDL_Init() + double time = (double)ms/1000; + return time; +} + +// Open URL with default system browser (if available) +void OpenURL(const char *url) +{ + SDL_OpenURL(url); +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Inputs +//---------------------------------------------------------------------------------- + +// Set internal gamepad mappings +int SetGamepadMappings(const char *mappings) +{ + TRACELOG(LOG_WARNING, "SetGamepadMappings() not implemented on target platform"); + return 0; +} + +// Set mouse position XY +void SetMousePosition(int x, int y) +{ + CORE.Input.Mouse.currentPosition = (Vector2){ (float)x, (float)y }; + CORE.Input.Mouse.previousPosition = CORE.Input.Mouse.currentPosition; +} + +// Set mouse cursor +void SetMouseCursor(int cursor) +{ + TRACELOG(LOG_WARNING, "SetMouseCursor() not implemented on target platform"); +} + +// Register all input events +void PollInputEvents(void) +{ +#if defined(SUPPORT_GESTURES_SYSTEM) + // NOTE: Gestures update must be called every frame to reset gestures correctly + // because ProcessGestureEvent() is just called on an event, not every frame + UpdateGestures(); +#endif + + // Reset keys/chars pressed registered + CORE.Input.Keyboard.keyPressedQueueCount = 0; + CORE.Input.Keyboard.charPressedQueueCount = 0; + + // Reset key repeats + for (int i = 0; i < MAX_KEYBOARD_KEYS; i++) CORE.Input.Keyboard.keyRepeatInFrame[i] = 0; + + // Reset last gamepad button/axis registered state + CORE.Input.Gamepad.lastButtonPressed = GAMEPAD_BUTTON_UNKNOWN; + for (int i = 0; i < MAX_GAMEPADS; i++) CORE.Input.Gamepad.axisCount[i] = 0; + + // Register previous touch states + for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.previousTouchState[i] = CORE.Input.Touch.currentTouchState[i]; + + // Reset touch positions + // TODO: It resets on target platform the mouse position and not filled again until a move-event, + // so, if mouse is not moved it returns a (0, 0) position... this behaviour should be reviewed! + //for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.position[i] = (Vector2){ 0, 0 }; + + // Register previous keys states + // NOTE: Android supports up to 260 keys + for (int i = 0; i < 260; i++) + { + CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; + CORE.Input.Keyboard.keyRepeatInFrame[i] = 0; + } + + // Poll input events for current plaform + //----------------------------------------------------------------------------- + /* + // WARNING: Indexes into this array are obtained by using SDL_Scancode values, not SDL_Keycode values + const Uint8 *keys = SDL_GetKeyboardState(NULL); + for (int i = 0; i < 256; ++i) + { + CORE.Input.Keyboard.currentKeyState[i] = keys[i]; + //if (keys[i]) TRACELOG(LOG_WARNING, "Pressed key: %i", i); + } + */ + + SDL_Event event = { 0 }; + while (SDL_PollEvent(&event) != 0) + { + // All input events can be processed after polling + switch (event.type) + { + case SDL_QUIT: CORE.Window.shouldClose = true; break; + + // Window events are also polled (Minimized, maximized, close...) + case SDL_WINDOWEVENT: + { + switch (event.window.event) + { + case SDL_WINDOWEVENT_LEAVE: + case SDL_WINDOWEVENT_HIDDEN: + case SDL_WINDOWEVENT_MINIMIZED: + case SDL_WINDOWEVENT_FOCUS_LOST: + case SDL_WINDOWEVENT_ENTER: + case SDL_WINDOWEVENT_SHOWN: + case SDL_WINDOWEVENT_FOCUS_GAINED: + case SDL_WINDOWEVENT_MAXIMIZED: + case SDL_WINDOWEVENT_RESTORED: + default: break; + } + } break; + + // Keyboard events + case SDL_KEYDOWN: + { + CORE.Input.Keyboard.currentKeyState[event.key.keysym.sym] = 1; + + if (event.key.keysym.sym == SDLK_ESCAPE) + { + CORE.Window.shouldClose = true; + } + } break; + case SDL_KEYUP: break; + + // Check mouse events + case SDL_MOUSEBUTTONDOWN: + { + CORE.Input.Mouse.currentButtonState[event.button.button - 1] = 1; + } break; + case SDL_MOUSEBUTTONUP: break; + case SDL_MOUSEWHEEL: + { + CORE.Input.Mouse.currentWheelMove.x = (float)event.wheel.x; + CORE.Input.Mouse.currentWheelMove.y = (float)event.wheel.y; + } break; + case SDL_MOUSEMOTION: + { + CORE.Input.Mouse.currentPosition.x = (float)event.motion.x; + CORE.Input.Mouse.currentPosition.y = (float)event.motion.y; + } break; + + // Check gamepad events + case SDL_JOYAXISMOTION: + { + // Motion on gamepad 0 + if (event.jaxis.which == 0) + { + // X axis motion + if (event.jaxis.axis == 0) + { + //... + } + // Y axis motion + else if (event.jaxis.axis == 1) + { + //... + } + } + } break; + default: break; + } + } + //----------------------------------------------------------------------------- +} + + +//---------------------------------------------------------------------------------- +// Module Internal Functions Definition +//---------------------------------------------------------------------------------- + +// Initialize platform: graphics, inputs and more +static int InitPlatform(void) +{ + // Initialize SDL internal global state + int result = SDL_Init(SDL_INIT_EVERYTHING); + if (result < 0) { TRACELOG(LOG_WARNING, "SDL: Failed to initialize SDL"); return -1; } + + unsigned int flags = 0; + flags |= SDL_WINDOW_SHOWN; + flags |= SDL_WINDOW_OPENGL; + flags |= SDL_WINDOW_INPUT_FOCUS; + flags |= SDL_WINDOW_MOUSE_FOCUS; + flags |= SDL_WINDOW_MOUSE_CAPTURE; // Window has mouse captured + + // Check window creation flags + if ((CORE.Window.flags & FLAG_FULLSCREEN_MODE) > 0) + { + CORE.Window.fullscreen = true; + flags |= SDL_WINDOW_FULLSCREEN; + } + + //if ((CORE.Window.flags & FLAG_WINDOW_HIDDEN) == 0) flags |= SDL_WINDOW_HIDDEN; + if ((CORE.Window.flags & FLAG_WINDOW_UNDECORATED) > 0) flags |= SDL_WINDOW_BORDERLESS; + if ((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) > 0) flags |= SDL_WINDOW_RESIZABLE; + if ((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0) flags |= SDL_WINDOW_MINIMIZED; + if ((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) > 0) flags |= SDL_WINDOW_MAXIMIZED; + + if ((CORE.Window.flags & FLAG_WINDOW_UNFOCUSED) > 0) + { + flags &= ~SDL_WINDOW_INPUT_FOCUS; + flags &= ~SDL_WINDOW_MOUSE_FOCUS; + } + + if ((CORE.Window.flags & FLAG_WINDOW_TOPMOST) > 0) flags |= SDL_WINDOW_ALWAYS_ON_TOP; + if ((CORE.Window.flags & FLAG_WINDOW_MOUSE_PASSTHROUGH) > 0) flags &= ~SDL_WINDOW_MOUSE_CAPTURE; + + if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) flags |= SDL_WINDOW_ALLOW_HIGHDPI; + + //if ((CORE.Window.flags & FLAG_WINDOW_TRANSPARENT) > 0) flags |= SDL_WINDOW_TRANSPARENT; // Alternative: SDL_GL_ALPHA_SIZE = 8 + + //if ((CORE.Window.flags & FLAG_FULLSCREEN_DESKTOP) > 0) flags |= SDL_WINDOW_FULLSCREEN_DESKTOP; + + // NOTE: Some OpenGL context attributes must be set before window creation + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + 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_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG | SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG); + if (CORE.Window.flags & FLAG_MSAA_4X_HINT) + { + SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1); + SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4); + } + + // Init window + platform.window = SDL_CreateWindow(CORE.Window.title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, CORE.Window.screen.width, CORE.Window.screen.height, flags); + + // Init OpenGL context + platform.glContext = SDL_GL_CreateContext(platform.window); + + // Check window and glContext have been initialized succesfully + if ((platform.window != NULL) && (platform.glContext != NULL)) + { + CORE.Window.ready = true; + + CORE.Window.render.width = CORE.Window.screen.width; + CORE.Window.render.height = CORE.Window.screen.height; + CORE.Window.currentFbo.width = CORE.Window.render.width; + CORE.Window.currentFbo.height = CORE.Window.render.height; + + TRACELOG(LOG_INFO, "DISPLAY: Device initialized successfully"); + TRACELOG(LOG_INFO, " > Display size: %i x %i", CORE.Window.display.width, CORE.Window.display.height); + TRACELOG(LOG_INFO, " > Screen size: %i x %i", CORE.Window.screen.width, CORE.Window.screen.height); + TRACELOG(LOG_INFO, " > Render size: %i x %i", CORE.Window.render.width, CORE.Window.render.height); + TRACELOG(LOG_INFO, " > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y); + } + else { TRACELOG(LOG_FATAL, "PLATFORM: Failed to initialize graphic device"); return -1; } + + // Load OpenGL extensions + // NOTE: GL procedures address loader is required to load extensions + rlLoadExtensions(SDL_GL_GetProcAddress); + + + // Init input gamepad + if (SDL_NumJoysticks() >= 1) + { + SDL_Joystick *gamepad = SDL_JoystickOpen(0); + //if (SDL_Joystick *gamepad == NULL) SDL_Log("WARNING: Unable to open game controller! SDL Error: %s\n", SDL_GetError()); + } + + // Initialize hi-res timer + //InitTimer(); + CORE.Time.previous = GetTime(); // Get time as double + + // Initialize base path for storage + CORE.Storage.basePath = GetWorkingDirectory(); + + return 0; +} + +static void ClosePlatform(void) +{ + SDL_GL_DeleteContext(platform.glContext); // Deinitialize OpenGL context + SDL_DestroyWindow(platform.window); + SDL_Quit(); // Deinitialize SDL internal global state +} +// EOF