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ADDED: NEW PLATFORM: SDL (DESKTOP) `rcore_desktop_sdl` #3313

This commit is contained in:
Ray 2023-10-16 00:51:44 +02:00
parent a75251f0a9
commit 84818c96f2
2 changed files with 769 additions and 8 deletions
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22
src/rcore.c
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@ -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)

755
src/rcore_desktop_sdl.c Normal file
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@ -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