diff options
Diffstat (limited to 'raylib/src/platforms/rcore_desktop_sdl.c')
| -rw-r--r-- | raylib/src/platforms/rcore_desktop_sdl.c | 1391 |
1 files changed, 1391 insertions, 0 deletions
diff --git a/raylib/src/platforms/rcore_desktop_sdl.c b/raylib/src/platforms/rcore_desktop_sdl.c new file mode 100644 index 0000000..96e5570 --- /dev/null +++ b/raylib/src/platforms/rcore_desktop_sdl.c @@ -0,0 +1,1391 @@ +/********************************************************************************************** +* +* rcore_desktop_sdl - Functions to manage window, graphics device and inputs +* +* PLATFORM: DESKTOP: SDL +* - Windows (Win32, Win64) +* - Linux (X11/Wayland desktop mode) +* - Others (not tested) +* +* 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): Windowing and inputs management +* - gestures: Gestures system for touch-ready devices (or simulated from mouse inputs) +* +* +* 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 "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; + SDL_Cursor *cursor; + bool cursorRelative; +} 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 232 +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 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, + KEY_LEFT_CONTROL, //SDL_SCANCODE_LCTRL + KEY_LEFT_SHIFT, //SDL_SCANCODE_LSHIFT + KEY_LEFT_ALT, //SDL_SCANCODE_LALT + KEY_LEFT_SUPER, //SDL_SCANCODE_LGUI + KEY_RIGHT_CONTROL, //SDL_SCANCODE_RCTRL + KEY_RIGHT_SHIFT, //SDL_SCANCODE_RSHIFT + KEY_RIGHT_ALT, //SDL_SCANCODE_RALT + KEY_RIGHT_SUPER //SDL_SCANCODE_RGUI +}; + +static const int CursorsLUT[] = { + SDL_SYSTEM_CURSOR_ARROW, // 0 MOUSE_CURSOR_DEFAULT + SDL_SYSTEM_CURSOR_ARROW, // 1 MOUSE_CURSOR_ARROW + SDL_SYSTEM_CURSOR_IBEAM, // 2 MOUSE_CURSOR_IBEAM + SDL_SYSTEM_CURSOR_CROSSHAIR, // 3 MOUSE_CURSOR_CROSSHAIR + SDL_SYSTEM_CURSOR_HAND, // 4 MOUSE_CURSOR_POINTING_HAND + SDL_SYSTEM_CURSOR_SIZEWE, // 5 MOUSE_CURSOR_RESIZE_EW + SDL_SYSTEM_CURSOR_SIZENS, // 6 MOUSE_CURSOR_RESIZE_NS + SDL_SYSTEM_CURSOR_SIZENWSE, // 7 MOUSE_CURSOR_RESIZE_NWSE + SDL_SYSTEM_CURSOR_SIZENESW, // 8 MOUSE_CURSOR_RESIZE_NESW + SDL_SYSTEM_CURSOR_SIZEALL, // 9 MOUSE_CURSOR_RESIZE_ALL + SDL_SYSTEM_CURSOR_NO // 10 MOUSE_CURSOR_NOT_ALLOWED + //SDL_SYSTEM_CURSOR_WAIT, // No equivalent implemented on MouseCursor enum on raylib.h + //SDL_SYSTEM_CURSOR_WAITARROW, // No equivalent implemented on MouseCursor enum on raylib.h +}; + +//---------------------------------------------------------------------------------- +// Module Internal Functions Declaration +//---------------------------------------------------------------------------------- +int InitPlatform(void); // Initialize platform (graphics, inputs and more) +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) +{ + const int monitor = SDL_GetWindowDisplayIndex(platform.window); + const int monitorCount = SDL_GetNumVideoDisplays(); + if ((monitor >= 0) && (monitor < monitorCount)) + { + if ((CORE.Window.flags & FLAG_FULLSCREEN_MODE) > 0) + { + SDL_SetWindowFullscreen(platform.window, 0); + CORE.Window.flags &= ~FLAG_FULLSCREEN_MODE; + CORE.Window.fullscreen = false; + } + else + { + SDL_SetWindowFullscreen(platform.window, SDL_WINDOW_FULLSCREEN); + CORE.Window.flags |= FLAG_FULLSCREEN_MODE; + CORE.Window.fullscreen = true; + } + } + else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor"); +} + +// Toggle borderless windowed mode +void ToggleBorderlessWindowed(void) +{ + const int monitor = SDL_GetWindowDisplayIndex(platform.window); + const int monitorCount = SDL_GetNumVideoDisplays(); + if ((monitor >= 0) && (monitor < monitorCount)) + { + if ((CORE.Window.flags & FLAG_BORDERLESS_WINDOWED_MODE) > 0) + { + SDL_SetWindowFullscreen(platform.window, 0); + CORE.Window.flags &= ~FLAG_BORDERLESS_WINDOWED_MODE; + } + else + { + SDL_SetWindowFullscreen(platform.window, SDL_WINDOW_FULLSCREEN_DESKTOP); + CORE.Window.flags |= FLAG_BORDERLESS_WINDOWED_MODE; + } + } + else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor"); +} + +// 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) +{ + CORE.Window.flags |= flags; + + if (flags & FLAG_VSYNC_HINT) + { + SDL_GL_SetSwapInterval(1); + } + if (flags & FLAG_FULLSCREEN_MODE) + { + const int monitor = SDL_GetWindowDisplayIndex(platform.window); + const int monitorCount = SDL_GetNumVideoDisplays(); + if ((monitor >= 0) && (monitor < monitorCount)) + { + SDL_SetWindowFullscreen(platform.window, SDL_WINDOW_FULLSCREEN); + CORE.Window.fullscreen = true; + } + else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor"); + } + if (flags & FLAG_WINDOW_RESIZABLE) + { + SDL_SetWindowResizable(platform.window, SDL_TRUE); + } + if (flags & FLAG_WINDOW_UNDECORATED) + { + SDL_SetWindowBordered(platform.window, SDL_FALSE); + } + if (flags & FLAG_WINDOW_HIDDEN) + { + SDL_HideWindow(platform.window); + } + if (flags & FLAG_WINDOW_MINIMIZED) + { + SDL_MinimizeWindow(platform.window); + } + if (flags & FLAG_WINDOW_MAXIMIZED) + { + SDL_MaximizeWindow(platform.window); + } + if (flags & FLAG_WINDOW_UNFOCUSED) + { + // NOTE: To be able to implement this part it seems that we should + // do it ourselves, via `Windows.h`, `X11/Xlib.h` or even `Cocoa.h` + TRACELOG(LOG_WARNING, "SetWindowState() - FLAG_WINDOW_UNFOCUSED is not supported on PLATFORM_DESKTOP_SDL"); + } + if (flags & FLAG_WINDOW_TOPMOST) + { + SDL_SetWindowAlwaysOnTop(platform.window, SDL_FALSE); + } + if (flags & FLAG_WINDOW_ALWAYS_RUN) + { + TRACELOG(LOG_WARNING, "SetWindowState() - FLAG_WINDOW_ALWAYS_RUN is not supported on PLATFORM_DESKTOP_SDL"); + } + if (flags & FLAG_WINDOW_TRANSPARENT) + { + TRACELOG(LOG_WARNING, "SetWindowState() - FLAG_WINDOW_TRANSPARENT is not supported on PLATFORM_DESKTOP_SDL"); + } + if (flags & FLAG_WINDOW_HIGHDPI) + { + // NOTE: Such a function does not seem to exist + TRACELOG(LOG_WARNING, "SetWindowState() - FLAG_WINDOW_HIGHDPI is not supported on PLATFORM_DESKTOP_SDL"); + } + if (flags & FLAG_WINDOW_MOUSE_PASSTHROUGH) + { + //SDL_SetWindowGrab(platform.window, SDL_FALSE); + TRACELOG(LOG_WARNING, "SetWindowState() - FLAG_WINDOW_MOUSE_PASSTHROUGH is not supported on PLATFORM_DESKTOP_SDL"); + } + if (flags & FLAG_BORDERLESS_WINDOWED_MODE) + { + const int monitor = SDL_GetWindowDisplayIndex(platform.window); + const int monitorCount = SDL_GetNumVideoDisplays(); + if ((monitor >= 0) && (monitor < monitorCount)) + { + SDL_SetWindowFullscreen(platform.window, SDL_WINDOW_FULLSCREEN_DESKTOP); + } + else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor"); + } + if (flags & FLAG_MSAA_4X_HINT) + { + SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1); // Enable multisampling buffers + SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4); // Enable multisampling + } + if (flags & FLAG_INTERLACED_HINT) + { + TRACELOG(LOG_WARNING, "SetWindowState() - FLAG_INTERLACED_HINT is not supported on PLATFORM_DESKTOP_SDL"); + } +} + +// Clear window configuration state flags +void ClearWindowState(unsigned int flags) +{ + CORE.Window.flags &= ~flags; + + if (flags & FLAG_VSYNC_HINT) + { + SDL_GL_SetSwapInterval(0); + } + if (flags & FLAG_FULLSCREEN_MODE) + { + SDL_SetWindowFullscreen(platform.window, 0); + CORE.Window.fullscreen = false; + } + if (flags & FLAG_WINDOW_RESIZABLE) + { + SDL_SetWindowResizable(platform.window, SDL_FALSE); + } + if (flags & FLAG_WINDOW_UNDECORATED) + { + SDL_SetWindowBordered(platform.window, SDL_TRUE); + } + if (flags & FLAG_WINDOW_HIDDEN) + { + SDL_ShowWindow(platform.window); + } + if (flags & FLAG_WINDOW_MINIMIZED) + { + SDL_RestoreWindow(platform.window); + } + if (flags & FLAG_WINDOW_MAXIMIZED) + { + SDL_RestoreWindow(platform.window); + } + if (flags & FLAG_WINDOW_UNFOCUSED) + { + //SDL_RaiseWindow(platform.window); + TRACELOG(LOG_WARNING, "ClearWindowState() - FLAG_WINDOW_UNFOCUSED is not supported on PLATFORM_DESKTOP_SDL"); + } + if (flags & FLAG_WINDOW_TOPMOST) + { + SDL_SetWindowAlwaysOnTop(platform.window, SDL_FALSE); + } + if (flags & FLAG_WINDOW_ALWAYS_RUN) + { + TRACELOG(LOG_WARNING, "ClearWindowState() - FLAG_WINDOW_ALWAYS_RUN is not supported on PLATFORM_DESKTOP_SDL"); + } + if (flags & FLAG_WINDOW_TRANSPARENT) + { + TRACELOG(LOG_WARNING, "ClearWindowState() - FLAG_WINDOW_TRANSPARENT is not supported on PLATFORM_DESKTOP_SDL"); + } + if (flags & FLAG_WINDOW_HIGHDPI) + { + // NOTE: There also doesn't seem to be a feature to disable high DPI once enabled + TRACELOG(LOG_WARNING, "ClearWindowState() - FLAG_WINDOW_HIGHDPI is not supported on PLATFORM_DESKTOP_SDL"); + } + if (flags & FLAG_WINDOW_MOUSE_PASSTHROUGH) + { + //SDL_SetWindowGrab(platform.window, SDL_TRUE); + TRACELOG(LOG_WARNING, "ClearWindowState() - FLAG_WINDOW_MOUSE_PASSTHROUGH is not supported on PLATFORM_DESKTOP_SDL"); + } + if (flags & FLAG_BORDERLESS_WINDOWED_MODE) + { + SDL_SetWindowFullscreen(platform.window, 0); + } + if (flags & FLAG_MSAA_4X_HINT) + { + SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0); // Disable multisampling buffers + SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0); // Disable multisampling + } + if (flags & FLAG_INTERLACED_HINT) + { + TRACELOG(LOG_WARNING, "ClearWindowState() - FLAG_INTERLACED_HINT is not supported on PLATFORM_DESKTOP_SDL"); + } +} + +// Set icon for window +void SetWindowIcon(Image image) +{ + SDL_Surface* iconSurface = NULL; + + Uint32 rmask, gmask, bmask, amask; + int depth = 0; // Depth in bits + int pitch = 0; // Pixel spacing (pitch) in bytes + + switch (image.format) + { + case PIXELFORMAT_UNCOMPRESSED_GRAYSCALE: + rmask = 0xFF, gmask = 0; + bmask = 0, amask = 0; + depth = 8, pitch = image.width; + break; + case PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA: + rmask = 0xFF, gmask = 0xFF00; + bmask = 0, amask = 0; + depth = 16, pitch = image.width * 2; + break; + case PIXELFORMAT_UNCOMPRESSED_R5G6B5: + rmask = 0xF800, gmask = 0x07E0; + bmask = 0x001F, amask = 0; + depth = 16, pitch = image.width * 2; + break; + case PIXELFORMAT_UNCOMPRESSED_R8G8B8: + rmask = 0xFF0000, gmask = 0x00FF00; + bmask = 0x0000FF, amask = 0; + depth = 24, pitch = image.width * 3; + break; + case PIXELFORMAT_UNCOMPRESSED_R5G5B5A1: + rmask = 0xF800, gmask = 0x07C0; + bmask = 0x003E, amask = 0x0001; + depth = 16, pitch = image.width * 2; + break; + case PIXELFORMAT_UNCOMPRESSED_R4G4B4A4: + rmask = 0xF000, gmask = 0x0F00; + bmask = 0x00F0, amask = 0x000F; + depth = 16, pitch = image.width * 2; + break; + case PIXELFORMAT_UNCOMPRESSED_R8G8B8A8: + rmask = 0xFF000000, gmask = 0x00FF0000; + bmask = 0x0000FF00, amask = 0x000000FF; + depth = 32, pitch = image.width * 4; + break; + case PIXELFORMAT_UNCOMPRESSED_R32: + rmask = 0xFFFFFFFF, gmask = 0; + bmask = 0, amask = 0; + depth = 32, pitch = image.width * 4; + break; + case PIXELFORMAT_UNCOMPRESSED_R32G32B32: + rmask = 0xFFFFFFFF, gmask = 0xFFFFFFFF; + bmask = 0xFFFFFFFF, amask = 0; + depth = 96, pitch = image.width * 12; + break; + case PIXELFORMAT_UNCOMPRESSED_R32G32B32A32: + rmask = 0xFFFFFFFF, gmask = 0xFFFFFFFF; + bmask = 0xFFFFFFFF, amask = 0xFFFFFFFF; + depth = 128, pitch = image.width * 16; + break; + case PIXELFORMAT_UNCOMPRESSED_R16: + rmask = 0xFFFF, gmask = 0; + bmask = 0, amask = 0; + depth = 16, pitch = image.width * 2; + break; + case PIXELFORMAT_UNCOMPRESSED_R16G16B16: + rmask = 0xFFFF, gmask = 0xFFFF; + bmask = 0xFFFF, amask = 0; + depth = 48, pitch = image.width * 6; + break; + case PIXELFORMAT_UNCOMPRESSED_R16G16B16A16: + rmask = 0xFFFF, gmask = 0xFFFF; + bmask = 0xFFFF, amask = 0xFFFF; + depth = 64, pitch = image.width * 8; + break; + default: + // Compressed formats are not supported + return; + } + + iconSurface = SDL_CreateRGBSurfaceFrom( + image.data, image.width, image.height, depth, pitch, + rmask, gmask, bmask, amask + ); + + if (iconSurface) + { + SDL_SetWindowIcon(platform.window, iconSurface); + SDL_FreeSurface(iconSurface); + } +} + +// 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) +{ + const int monitorCount = SDL_GetNumVideoDisplays(); + if ((monitor >= 0) && (monitor < monitorCount)) + { + // NOTE: + // 1. SDL started supporting moving exclusive fullscreen windows between displays on SDL3, + // see commit https://github.com/libsdl-org/SDL/commit/3f5ef7dd422057edbcf3e736107e34be4b75d9ba + // 2. A workround for SDL2 is leaving fullscreen, moving the window, then entering full screen again. + const bool wasFullscreen = ((CORE.Window.flags & FLAG_FULLSCREEN_MODE) > 0) ? true : false; + + const int screenWidth = CORE.Window.screen.width; + const int screenHeight = CORE.Window.screen.height; + SDL_Rect usableBounds; + if (SDL_GetDisplayUsableBounds(monitor, &usableBounds) == 0) + { + if (wasFullscreen == 1) ToggleFullscreen(); // Leave fullscreen. + + // If the screen size is larger than the monitor usable area, anchor it on the top left corner, otherwise, center it + if ((screenWidth >= usableBounds.w) || (screenHeight >= usableBounds.h)) + { + // NOTE: + // 1. There's a known issue where if the window larger than the target display bounds, + // when moving the windows to that display, the window could be clipped back + // ending up positioned partly outside the target display. + // 2. The workaround for that is, previously to moving the window, + // setting the window size to the target display size, so they match. + // 3. It was't done here because we can't assume changing the window size automatically + // is acceptable behavior by the user. + SDL_SetWindowPosition(platform.window, usableBounds.x, usableBounds.y); + CORE.Window.position.x = usableBounds.x; + CORE.Window.position.y = usableBounds.y; + } + else + { + const int x = usableBounds.x + (usableBounds.w/2) - (screenWidth/2); + const int y = usableBounds.y + (usableBounds.h/2) - (screenHeight/2); + SDL_SetWindowPosition(platform.window, x, y); + CORE.Window.position.x = x; + CORE.Window.position.y = y; + } + + if (wasFullscreen == 1) ToggleFullscreen(); // Re-enter fullscreen + } + else TRACELOG(LOG_WARNING, "SDL: Failed to get selected display usable bounds"); + } + else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor"); +} + +// Set window minimum dimensions (FLAG_WINDOW_RESIZABLE) +void SetWindowMinSize(int width, int height) +{ + SDL_SetWindowMinimumSize(platform.window, width, height); + + CORE.Window.screenMin.width = width; + CORE.Window.screenMin.height = height; +} + +// Set window maximum dimensions (FLAG_WINDOW_RESIZABLE) +void SetWindowMaxSize(int width, int height) +{ + SDL_SetWindowMaximumSize(platform.window, width, 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) +{ + SDL_RaiseWindow(platform.window); +} + +// Get native window handle +void *GetWindowHandle(void) +{ + return (void *)platform.window; +} + +// Get number of monitors +int GetMonitorCount(void) +{ + int monitorCount = 0; + + monitorCount = SDL_GetNumVideoDisplays(); + + return monitorCount; +} + +// Get number of monitors +int GetCurrentMonitor(void) +{ + int currentMonitor = 0; + + currentMonitor = SDL_GetWindowDisplayIndex(platform.window); + + return currentMonitor; +} + +// Get selected monitor position +Vector2 GetMonitorPosition(int monitor) +{ + const int monitorCount = SDL_GetNumVideoDisplays(); + if ((monitor >= 0) && (monitor < monitorCount)) + { + SDL_Rect displayBounds; + if (SDL_GetDisplayUsableBounds(monitor, &displayBounds) == 0) + { + return (Vector2){ (float)displayBounds.x, (float)displayBounds.y }; + } + else TRACELOG(LOG_WARNING, "SDL: Failed to get selected display usable bounds"); + } + else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor"); + return (Vector2){ 0.0f, 0.0f }; +} + +// Get selected monitor width (currently used by monitor) +int GetMonitorWidth(int monitor) +{ + int width = 0; + + const int 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; + + const int 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) +{ + int width = 0; + + const int monitorCount = SDL_GetNumVideoDisplays(); + if ((monitor >= 0) && (monitor < monitorCount)) + { + float ddpi = 0.0f; + SDL_GetDisplayDPI(monitor, &ddpi, NULL, NULL); + SDL_DisplayMode mode; + SDL_GetCurrentDisplayMode(monitor, &mode); + // Calculate size on inches, then convert to millimeter + if (ddpi > 0.0f) width = (mode.w/ddpi)*25.4f; + } + else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor"); + + return width; +} + +// Get selected monitor physical height in millimetres +int GetMonitorPhysicalHeight(int monitor) +{ + int height = 0; + + const int monitorCount = SDL_GetNumVideoDisplays(); + if ((monitor >= 0) && (monitor < monitorCount)) + { + float ddpi = 0.0f; + SDL_GetDisplayDPI(monitor, &ddpi, NULL, NULL); + SDL_DisplayMode mode; + SDL_GetCurrentDisplayMode(monitor, &mode); + // Calculate size on inches, then convert to millimeter + if (ddpi > 0.0f) height = (mode.h/ddpi)*25.4f; + } + else TRACELOG(LOG_WARNING, "SDL: Failed to find selected monitor"); + + return height; +} + +// Get selected monitor refresh rate +int GetMonitorRefreshRate(int monitor) +{ + int refresh = 0; + + const int 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) +{ + const int 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) +{ + Vector2 scale = { 1.0f, 1.0f }; + + // NOTE: SDL_GetWindowDisplayScale was only added on SDL3 + // see https://wiki.libsdl.org/SDL3/SDL_GetWindowDisplayScale + // TODO: Implement the window scale factor calculation manually. + TRACELOG(LOG_WARNING, "GetWindowScaleDPI() not implemented on target platform"); + + return scale; +} + +// Set clipboard text content +void SetClipboardText(const char *text) +{ + SDL_SetClipboardText(text); +} + +// Get clipboard text content +// NOTE: returned string must be freed with SDL_free() +const char *GetClipboardText(void) +{ + return SDL_GetClipboardText(); +} + +// Show mouse cursor +void ShowCursor(void) +{ + SDL_ShowCursor(SDL_ENABLE); + + CORE.Input.Mouse.cursorHidden = false; +} + +// Hides mouse cursor +void HideCursor(void) +{ + SDL_ShowCursor(SDL_DISABLE); + + CORE.Input.Mouse.cursorHidden = true; +} + +// Enables cursor (unlock cursor) +void EnableCursor(void) +{ + SDL_SetRelativeMouseMode(SDL_FALSE); + SDL_ShowCursor(SDL_ENABLE); + + platform.cursorRelative = false; + CORE.Input.Mouse.cursorHidden = false; +} + +// Disables cursor (lock cursor) +void DisableCursor(void) +{ + SDL_SetRelativeMouseMode(SDL_TRUE); + + platform.cursorRelative = true; + 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) +// NOTE: This function is only safe to use if you control the URL given. +// A user could craft a malicious string performing another action. +// Only call this function yourself not with user input or make sure to check the string yourself. +// Ref: https://github.com/raysan5/raylib/issues/686 +void OpenURL(const char *url) +{ + // Security check to (partially) avoid malicious code + if (strchr(url, '\'') != NULL) TRACELOG(LOG_WARNING, "SYSTEM: Provided URL could be potentially malicious, avoid [\'] character"); + else SDL_OpenURL(url); +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Inputs +//---------------------------------------------------------------------------------- + +// Set internal gamepad mappings +int SetGamepadMappings(const char *mappings) +{ + return SDL_GameControllerAddMapping(mappings); +} + +// 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) +{ + platform.cursor = SDL_CreateSystemCursor(CursorsLUT[cursor]); + SDL_SetCursor(platform.cursor); + + CORE.Input.Mouse.cursor = cursor; +} + +// 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 + if (platform.cursorRelative) CORE.Input.Mouse.currentPosition = (Vector2){ 0.0f, 0.0f }; + else 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 }; + + // Map touch position to mouse position for convenience + // WARNING: If the target desktop device supports touch screen, this behavious should be reviewed! + // https://www.codeproject.com/Articles/668404/Programming-for-Multi-Touch + // https://docs.microsoft.com/en-us/windows/win32/wintouch/getting-started-with-multi-touch-messages + CORE.Input.Touch.position[0] = CORE.Input.Mouse.currentPosition; + + int touchAction = -1; // 0-TOUCH_ACTION_UP, 1-TOUCH_ACTION_DOWN, 2-TOUCH_ACTION_MOVE + bool gestureUpdate = false; // Flag to note gestures require to update + + // Register previous keys states + // NOTE: Android supports up to 260 keys + for (int i = 0; i < MAX_KEYBOARD_KEYS; 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); + } + */ + + CORE.Window.resizedLastFrame = false; + + 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; + + case SDL_DROPFILE: // Dropped file + { + if (CORE.Window.dropFileCount == 0) + { + // When a new file is dropped, we reserve a fixed number of slots for all possible dropped files + // at the moment we limit the number of drops at once to 1024 files but this behaviour should probably be reviewed + // TODO: Pointers should probably be reallocated for any new file added... + CORE.Window.dropFilepaths = (char **)RL_CALLOC(1024, sizeof(char *)); + + CORE.Window.dropFilepaths[CORE.Window.dropFileCount] = (char *)RL_CALLOC(MAX_FILEPATH_LENGTH, sizeof(char)); + strcpy(CORE.Window.dropFilepaths[CORE.Window.dropFileCount], event.drop.file); + SDL_free(event.drop.file); + + CORE.Window.dropFileCount++; + } + else if (CORE.Window.dropFileCount < 1024) + { + CORE.Window.dropFilepaths[CORE.Window.dropFileCount] = (char *)RL_CALLOC(MAX_FILEPATH_LENGTH, sizeof(char)); + strcpy(CORE.Window.dropFilepaths[CORE.Window.dropFileCount], event.drop.file); + SDL_free(event.drop.file); + + CORE.Window.dropFileCount++; + } + else TRACELOG(LOG_WARNING, "FILE: Maximum drag and drop files at once is limited to 1024 files!"); + + } break; + + // Window events are also polled (Minimized, maximized, close...) + case SDL_WINDOWEVENT: + { + switch (event.window.event) + { + case SDL_WINDOWEVENT_RESIZED: + case SDL_WINDOWEVENT_SIZE_CHANGED: + { + const int width = event.window.data1; + const int height = event.window.data2; + SetupViewport(width, height); + CORE.Window.screen.width = width; + CORE.Window.screen.height = height; + CORE.Window.currentFbo.width = width; + CORE.Window.currentFbo.height = height; + CORE.Window.resizedLastFrame = true; + } break; + 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: + { + // NOTE: SDL2 mouse button order is LEFT, MIDDLE, RIGHT, but raylib uses LEFT, RIGHT, MIDDLE like GLFW + // The following conditions align SDL with raylib.h MouseButton enum order + int btn = event.button.button - 1; + if (btn == 2) btn = 1; + else if (btn == 1) btn = 2; + + CORE.Input.Mouse.currentButtonState[btn] = 1; + + touchAction = 1; + gestureUpdate = true; + } break; + case SDL_MOUSEBUTTONUP: + { + // NOTE: SDL2 mouse button order is LEFT, MIDDLE, RIGHT, but raylib uses LEFT, RIGHT, MIDDLE like GLFW + // The following conditions align SDL with raylib.h MouseButton enum order + int btn = event.button.button - 1; + if (btn == 2) btn = 1; + else if (btn == 1) btn = 2; + + CORE.Input.Mouse.currentButtonState[btn] = 0; + + touchAction = 0; + gestureUpdate = true; + } 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: + { + if (platform.cursorRelative) + { + CORE.Input.Mouse.currentPosition.x = (float)event.motion.xrel; + CORE.Input.Mouse.currentPosition.y = (float)event.motion.yrel; + CORE.Input.Mouse.previousPosition = (Vector2){ 0.0f, 0.0f }; + } + else + { + CORE.Input.Mouse.currentPosition.x = (float)event.motion.x; + CORE.Input.Mouse.currentPosition.y = (float)event.motion.y; + } + + CORE.Input.Touch.position[0] = CORE.Input.Mouse.currentPosition; + touchAction = 2; + gestureUpdate = true; + } 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; + } + +#if defined(SUPPORT_GESTURES_SYSTEM) + if (gestureUpdate) + { + // Process mouse events as touches to be able to use mouse-gestures + GestureEvent gestureEvent = { 0 }; + + // Register touch actions + gestureEvent.touchAction = touchAction; + + // Assign a pointer ID + gestureEvent.pointId[0] = 0; + + // Register touch points count + gestureEvent.pointCount = 1; + + // Register touch points position, only one point registered + if (touchAction == 2) gestureEvent.position[0] = CORE.Input.Touch.position[0]; + else gestureEvent.position[0] = GetMousePosition(); + + // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height + gestureEvent.position[0].x /= (float)GetScreenWidth(); + gestureEvent.position[0].y /= (float)GetScreenHeight(); + + // Gesture data is sent to gestures-system for processing + ProcessGestureEvent(gestureEvent); + } +#endif + } + //----------------------------------------------------------------------------- +} + +//---------------------------------------------------------------------------------- +// Module Internal Functions Definition +//---------------------------------------------------------------------------------- + +// Initialize platform: graphics, inputs and more +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; } + + // Initialize graphic device: display/window and graphic context + //---------------------------------------------------------------------------- + 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 + + // Check selection OpenGL version + if (rlGetVersion() == RL_OPENGL_21) + { + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1); + } + else if (rlGetVersion() == RL_OPENGL_33) + { + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3); +#if defined(__APPLE__) + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG); // OSX Requires forward compatibility +#else + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); +#endif + } + else if (rlGetVersion() == RL_OPENGL_43) + { + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); +#if defined(RLGL_ENABLE_OPENGL_DEBUG_CONTEXT) + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG); // Enable OpenGL Debug Context +#endif + } + else if (rlGetVersion() == RL_OPENGL_ES_20) // Request OpenGL ES 2.0 context + { + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); + } + else if (rlGetVersion() == RL_OPENGL_ES_30) // Request OpenGL ES 3.0 context + { + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); + } + + if (CORE.Window.flags & FLAG_VSYNC_HINT) + { + SDL_GL_SetSwapInterval(1); + } + + 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; + + SDL_DisplayMode displayMode = { 0 }; + SDL_GetCurrentDisplayMode(GetCurrentMonitor(), &displayMode); + + CORE.Window.display.width = displayMode.w; + CORE.Window.display.height = displayMode.h; + + 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 graphics device"); + return -1; + } + + // Load OpenGL extensions + // NOTE: GL procedures address loader is required to load extensions + rlLoadExtensions(SDL_GL_GetProcAddress); + //---------------------------------------------------------------------------- + + // Initialize input events system + //---------------------------------------------------------------------------- + if (SDL_NumJoysticks() >= 1) + { + platform.gamepad = SDL_JoystickOpen(0); + //if (platform.gamepadgamepad == NULL) TRACELOG(LOG_WARNING, "PLATFORM: Unable to open game controller [ERROR: %s]", SDL_GetError()); + } + + SDL_EventState(SDL_DROPFILE, SDL_ENABLE); + //---------------------------------------------------------------------------- + + // Initialize timming system + //---------------------------------------------------------------------------- + // NOTE: No need to call InitTimer(), let SDL manage it internally + CORE.Time.previous = GetTime(); // Get time as double + //---------------------------------------------------------------------------- + + // Initialize storage system + //---------------------------------------------------------------------------- + CORE.Storage.basePath = GetWorkingDirectory(); // Define base path for storage + //---------------------------------------------------------------------------- + + TRACELOG(LOG_INFO, "PLATFORM: DESKTOP (SDL): Initialized successfully"); + + return 0; +} + +// Close platform +void ClosePlatform(void) +{ + SDL_FreeCursor(platform.cursor); // Free cursor + SDL_GL_DeleteContext(platform.glContext); // Deinitialize OpenGL context + SDL_DestroyWindow(platform.window); + SDL_Quit(); // Deinitialize SDL internal global state +} + +// Scancode to keycode mapping +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 |