twix/raylib
1
0
Fork 0
mirror of https://github.com/raysan5/raylib.git synced 2025-12-25 10:22:33 -05:00
Code Issues Packages Projects Releases Wiki Activity
Files
53cd60bb29c97951cd0379aa230d43f794f055ce
raylib/src/rcore_desktop_sdl.c

811 lines
27 KiB
C
Raw Blame History

/**********************************************************************************************
*
* 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
//----------------------------------------------------------------------------------
// Local Variables Definition
//----------------------------------------------------------------------------------
#define SCANCODE_MAPPED_NUM 100
static const KeyboardKey ScancodeToKey[SCANCODE_MAPPED_NUM] = {
KEY_NULL, // SDL_SCANCODE_UNKNOWN
0,
0,
0,
KEY_A, // SDL_SCANCODE_A
KEY_B, // SDL_SCANCODE_B
KEY_C, // SDL_SCANCODE_C
KEY_D, // SDL_SCANCODE_D
KEY_E, // SDL_SCANCODE_E
KEY_F, // SDL_SCANCODE_F
KEY_G, // SDL_SCANCODE_G
KEY_H, // SDL_SCANCODE_H
KEY_I, // SDL_SCANCODE_I
KEY_J, // SDL_SCANCODE_J
KEY_K, // SDL_SCANCODE_K
KEY_L, // SDL_SCANCODE_L
KEY_M, // SDL_SCANCODE_M
KEY_N, // SDL_SCANCODE_N
KEY_O, // SDL_SCANCODE_O
KEY_P, // SDL_SCANCODE_P
KEY_Q, // SDL_SCANCODE_Q
KEY_R, // SDL_SCANCODE_R
KEY_S, // SDL_SCANCODE_S
KEY_T, // SDL_SCANCODE_T
KEY_U, // SDL_SCANCODE_U
KEY_V, // SDL_SCANCODE_V
KEY_W, // SDL_SCANCODE_W
KEY_X, // SDL_SCANCODE_X
KEY_Y, // SDL_SCANCODE_Y
KEY_Z, // SDL_SCANCODE_Z
KEY_ONE, // SDL_SCANCODE_1
KEY_TWO, // SDL_SCANCODE_2
KEY_THREE, // SDL_SCANCODE_3
KEY_FOUR, // SDL_SCANCODE_4
KEY_FIVE, // SDL_SCANCODE_5
KEY_SIX, // SDL_SCANCODE_6
KEY_SEVEN, // SDL_SCANCODE_7
KEY_EIGHT, // SDL_SCANCODE_8
KEY_NINE, // SDL_SCANCODE_9
KEY_ZERO, // SDL_SCANCODE_0
KEY_ENTER, // SDL_SCANCODE_RETURN
KEY_ESCAPE, // SDL_SCANCODE_ESCAPE
KEY_BACKSPACE, // SDL_SCANCODE_BACKSPACE
KEY_TAB, // SDL_SCANCODE_TAB
KEY_SPACE, // SDL_SCANCODE_SPACE
KEY_MINUS, // SDL_SCANCODE_MINUS
KEY_EQUAL, // SDL_SCANCODE_EQUALS
KEY_LEFT_BRACKET, // SDL_SCANCODE_LEFTBRACKET
KEY_RIGHT_BRACKET, // SDL_SCANCODE_RIGHTBRACKET
KEY_BACKSLASH, // SDL_SCANCODE_BACKSLASH
0, // SDL_SCANCODE_NONUSHASH
KEY_SEMICOLON, // SDL_SCANCODE_SEMICOLON
KEY_APOSTROPHE, // SDL_SCANCODE_APOSTROPHE
KEY_GRAVE, // SDL_SCANCODE_GRAVE
KEY_COMMA, // SDL_SCANCODE_COMMA
KEY_PERIOD, // SDL_SCANCODE_PERIOD
KEY_SLASH, // SDL_SCANCODE_SLASH
KEY_CAPS_LOCK, // SDL_SCANCODE_CAPSLOCK
KEY_F1, // SDL_SCANCODE_F1
KEY_F2, // SDL_SCANCODE_F2
KEY_F3, // SDL_SCANCODE_F3
KEY_F4, // SDL_SCANCODE_F4
KEY_F5, // SDL_SCANCODE_F5
KEY_F6, // SDL_SCANCODE_F6
KEY_F7, // SDL_SCANCODE_F7
KEY_F8, // SDL_SCANCODE_F8
KEY_F9, // SDL_SCANCODE_F9
KEY_F10, // SDL_SCANCODE_F10
KEY_F11, // SDL_SCANCODE_F11
KEY_F12, // SDL_SCANCODE_F12
KEY_PRINT_SCREEN, // SDL_SCANCODE_PRINTSCREEN
KEY_SCROLL_LOCK, // SDL_SCANCODE_SCROLLLOCK
KEY_PAUSE, // SDL_SCANCODE_PAUSE
KEY_INSERT, // SDL_SCANCODE_INSERT
KEY_HOME, // SDL_SCANCODE_HOME
KEY_PAGE_UP, // SDL_SCANCODE_PAGEUP
KEY_DELETE, // SDL_SCANCODE_DELETE
KEY_END, // SDL_SCANCODE_END
KEY_PAGE_DOWN, // SDL_SCANCODE_PAGEDOWN
KEY_RIGHT, // SDL_SCANCODE_RIGHT
KEY_LEFT, // SDL_SCANCODE_LEFT
KEY_DOWN, // SDL_SCANCODE_DOWN
KEY_UP, // SDL_SCANCODE_UP
KEY_NUM_LOCK, // SDL_SCANCODE_NUMLOCKCLEAR
KEY_KP_DIVIDE, // SDL_SCANCODE_KP_DIVIDE
KEY_KP_MULTIPLY, // SDL_SCANCODE_KP_MULTIPLY
KEY_KP_SUBTRACT, // SDL_SCANCODE_KP_MINUS
KEY_KP_ADD, // SDL_SCANCODE_KP_PLUS
KEY_KP_ENTER, // SDL_SCANCODE_KP_ENTER
KEY_KP_1, // SDL_SCANCODE_KP_1
KEY_KP_2, // SDL_SCANCODE_KP_2
KEY_KP_3, // SDL_SCANCODE_KP_3
KEY_KP_4, // SDL_SCANCODE_KP_4
KEY_KP_5, // SDL_SCANCODE_KP_5
KEY_KP_6, // SDL_SCANCODE_KP_6
KEY_KP_7, // SDL_SCANCODE_KP_7
KEY_KP_8, // SDL_SCANCODE_KP_8
KEY_KP_9, // SDL_SCANCODE_KP_9
KEY_KP_0, // SDL_SCANCODE_KP_0
KEY_KP_DECIMAL // SDL_SCANCODE_KP_PERIOD
};
//----------------------------------------------------------------------------------
// Module Internal Functions Declaration
//----------------------------------------------------------------------------------
static int InitPlatform(void); // Initialize platform (graphics, inputs and more)
static void ClosePlatform(void); // Close platform
static KeyboardKey ConvertScancodeToKey(SDL_Scancode sdlScancode); // Help convert SDL scancodes to raylib key
//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
// NOTE: Functions declaration is provided by raylib.h
//----------------------------------------------------------------------------------
// Module Functions Definition: Window and Graphics Device
//----------------------------------------------------------------------------------
// 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)
{
SDL_SetWindowTitle(platform.window, title);
CORE.Window.title = title;
}
// Set window position on screen (windowed mode)
void SetWindowPosition(int x, int y)
{
SDL_SetWindowPosition(platform.window, x, y);
CORE.Window.position.x = x;
CORE.Window.position.y = y;
}
// 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)
{
SDL_SetWindowSize(platform.window, width, height);
CORE.Window.screen.width = width;
CORE.Window.screen.height = height;
}
// Set window opacity, value opacity is between 0.0 and 1.0
void SetWindowOpacity(float opacity)
{
if (opacity >= 1.0f) opacity = 1.0f;
else if (opacity <= 0.0f) opacity = 0.0f;
SDL_SetWindowOpacity(platform.window, opacity);
}
// 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)
{
int monitorCount = 0;
monitorCount = SDL_GetNumVideoDisplays();
return monitorCount;
}
// Get number of monitors
int GetCurrentMonitor(void)
{
return SDL_GetWindowDisplayIndex(platform.window);
}
// 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)
{
int width = 0;
int monitorCount = 0;
monitorCount = SDL_GetNumVideoDisplays();
if ((monitor >= 0) && (monitor < monitorCount))
{
SDL_DisplayMode mode;
SDL_GetCurrentDisplayMode(monitor, &mode);
width = mode.w;
}
else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor");
return width;
}
// Get selected monitor height (currently used by monitor)
int GetMonitorHeight(int monitor)
{
int height = 0;
int monitorCount = 0;
monitorCount = SDL_GetNumVideoDisplays();
if ((monitor >= 0) && (monitor < monitorCount))
{
SDL_DisplayMode mode;
SDL_GetCurrentDisplayMode(monitor, &mode);
height = mode.h;
}
else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor");
return height;
}
// 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)
{
int refresh = 0;
int monitorCount = 0;
monitorCount = SDL_GetNumVideoDisplays();
if ((monitor >= 0) && (monitor < monitorCount))
{
SDL_DisplayMode mode;
SDL_GetCurrentDisplayMode(monitor, &mode);
refresh = mode.refresh_rate;
}
else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor");
return refresh;
}
// Get the human-readable, UTF-8 encoded name of the selected monitor
const char *GetMonitorName(int monitor)
{
int monitorCount = 0;
monitorCount = SDL_GetNumVideoDisplays();
if ((monitor >= 0) && (monitor < monitorCount)) return SDL_GetDisplayName(monitor);
else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor");
return "";
}
// Get window position XY on monitor
Vector2 GetWindowPosition(void)
{
int x = 0;
int y = 0;
SDL_GetWindowPosition(platform.window, &x, &y);
return (Vector2){ (float)x, (float)y };
}
// 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 mouse wheel
CORE.Input.Mouse.currentWheelMove.x = 0;
CORE.Input.Mouse.currentWheelMove.y = 0;
// Register previous mouse position
CORE.Input.Mouse.previousPosition = CORE.Input.Mouse.currentPosition;
// 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;
}
// Register previous mouse states
for (int i = 0; i < MAX_MOUSE_BUTTONS; i++) CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i];
// 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:
{
KeyboardKey key = ConvertScancodeToKey(event.key.keysym.scancode);
if (key != KEY_NULL) CORE.Input.Keyboard.currentKeyState[key] = 1;
// TODO: Put exitKey verification outside the switch?
if (CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey])
{
CORE.Window.shouldClose = true;
}
} break;
case SDL_KEYUP:
{
KeyboardKey key = ConvertScancodeToKey(event.key.keysym.scancode);
if (key != KEY_NULL) CORE.Input.Keyboard.currentKeyState[key] = 0;
} break;
// Check mouse events
case SDL_MOUSEBUTTONDOWN:
{
CORE.Input.Mouse.currentButtonState[event.button.button - 1] = 1;
} break;
case SDL_MOUSEBUTTONUP:
{
CORE.Input.Mouse.currentButtonState[event.button.button - 1] = 0;
} 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
}
static KeyboardKey ConvertScancodeToKey(SDL_Scancode sdlScancode)
{
if (sdlScancode >= 0 && sdlScancode < SCANCODE_MAPPED_NUM)
{
return ScancodeToKey[sdlScancode];
}
return KEY_NULL; // No equivalent key in Raylib
}
// EOF
Reference in New Issue View Git Blame Copy Permalink