diff options
| author | Uneven Prankster <unevenprankster@protonmail.com> | 2023-11-16 21:12:27 -0300 |
|---|---|---|
| committer | Uneven Prankster <unevenprankster@protonmail.com> | 2023-11-16 21:12:27 -0300 |
| commit | 2bbf92ad5ae7708bf18ac7ef333e9a979d8d1bde (patch) | |
| tree | c9d22bb0d73d9cc0c8586e4d31c93a561ea8e910 /raylib/src/rcore_drm.c | |
| parent | 1c0cc775732201f4c4d3ee0d6772be786b3b4aa1 (diff) | |
Working so hard like a soldiermain
Can't afford a thing on TV
Diffstat (limited to 'raylib/src/rcore_drm.c')
| -rw-r--r-- | raylib/src/rcore_drm.c | 2005 |
1 files changed, 0 insertions, 2005 deletions
diff --git a/raylib/src/rcore_drm.c b/raylib/src/rcore_drm.c deleted file mode 100644 index 1fb83c8..0000000 --- a/raylib/src/rcore_drm.c +++ /dev/null @@ -1,2005 +0,0 @@ -/********************************************************************************************** -* -* rcore_drm - Functions to manage window, graphics device and inputs -* -* PLATFORM: DRM -* - Raspberry Pi 0-5 -* - Linux native mode (KMS driver) -* -* LIMITATIONS: -* - Most of the window/monitor functions are not implemented (not required) -* -* POSSIBLE IMPROVEMENTS: -* - Improvement 01 -* - Improvement 02 -* -* ADDITIONAL NOTES: -* - TRACELOG() function is located in raylib [utils] module -* -* CONFIGURATION: -* #define SUPPORT_SSH_KEYBOARD_RPI (Raspberry Pi only) -* Reconfigure standard input to receive key inputs, works with SSH connection. -* WARNING: Reconfiguring standard input could lead to undesired effects, like breaking other -* running processes orblocking the device if not restored properly. Use with care. -* -* DEPENDENCIES: -* 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 <fcntl.h> // POSIX file control definitions - open(), creat(), fcntl() -#include <unistd.h> // POSIX standard function definitions - read(), close(), STDIN_FILENO -#include <termios.h> // POSIX terminal control definitions - tcgetattr(), tcsetattr() -#include <pthread.h> // POSIX threads management (inputs reading) -#include <dirent.h> // POSIX directory browsing - -#include <sys/ioctl.h> // Required for: ioctl() - UNIX System call for device-specific input/output operations -#include <linux/kd.h> // Linux: KDSKBMODE, K_MEDIUMRAM constants definition -#include <linux/input.h> // Linux: Keycodes constants definition (KEY_A, ...) -#include <linux/joystick.h> // Linux: Joystick support library - -#include <gbm.h> // Generic Buffer Management (native platform for EGL on DRM) -#include <xf86drm.h> // Direct Rendering Manager user-level library interface -#include <xf86drmMode.h> // Direct Rendering Manager mode setting (KMS) interface - -#include "EGL/egl.h" // Native platform windowing system interface -#include "EGL/eglext.h" // EGL extensions - -//---------------------------------------------------------------------------------- -// Defines and Macros -//---------------------------------------------------------------------------------- -#define USE_LAST_TOUCH_DEVICE // When multiple touchscreens are connected, only use the one with the highest event<N> number - -#define DEFAULT_GAMEPAD_DEV "/dev/input/js" // Gamepad input (base dev for all gamepads: js0, js1, ...) -#define DEFAULT_EVDEV_PATH "/dev/input/" // Path to the linux input events - -//---------------------------------------------------------------------------------- -// Types and Structures Definition -//---------------------------------------------------------------------------------- - -typedef struct { - pthread_t threadId; // Event reading thread id - - int fd; // File descriptor to the device it is assigned to - int eventNum; // Number of 'event<N>' device - Rectangle absRange; // Range of values for absolute pointing devices (touchscreens) - int touchSlot; // Hold the touch slot number of the currently being sent multitouch block - bool isMouse; // True if device supports relative X Y movements - bool isTouch; // True if device supports absolute X Y movements and has BTN_TOUCH - bool isMultitouch; // True if device supports multiple absolute movevents and has BTN_TOUCH - bool isKeyboard; // True if device has letter keycodes - bool isGamepad; // True if device has gamepad buttons -} InputEventWorker; - -typedef struct { - // Display data - int fd; // File descriptor for /dev/dri/... - drmModeConnector *connector; // Direct Rendering Manager (DRM) mode connector - drmModeCrtc *crtc; // CRT Controller - int modeIndex; // Index of the used mode of connector->modes - struct gbm_device *gbmDevice; // GBM device - struct gbm_surface *gbmSurface; // GBM surface - struct gbm_bo *prevBO; // Previous GBM buffer object (during frame swapping) - uint32_t prevFB; // Previous GBM framebufer (during frame swapping) - - EGLDisplay device; // Native display device (physical screen connection) - EGLSurface surface; // Surface to draw on, framebuffers (connected to context) - EGLContext context; // Graphic context, mode in which drawing can be done - EGLConfig config; // Graphic config - - // Input data - InputEventWorker eventWorker[10]; // List of worker threads for every monitored "/dev/input/event<N>" - - // Keyboard data - int defaultKeyboardMode; // Default keyboard mode - bool eventKeyboardMode; // Keyboard in event mode - int defaultFileFlags; // Default IO file flags - struct termios defaultSettings; // Default keyboard settings - int keyboardFd; // File descriptor for the evdev keyboard - - // Mouse data - Vector2 eventWheelMove; // Registers the event mouse wheel variation - // NOTE: currentButtonState[] can't be written directly due to multithreading, app could miss the update - char currentButtonStateEvdev[MAX_MOUSE_BUTTONS]; // Holds the new mouse state for the next polling event to grab - - // Gamepad data - pthread_t gamepadThreadId; // Gamepad reading thread id - int gamepadStreamFd[MAX_GAMEPADS]; // Gamepad device file descriptor - -} 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 - -static void InitKeyboard(void); // Initialize raw keyboard system -static void RestoreKeyboard(void); // Restore keyboard system -#if defined(SUPPORT_SSH_KEYBOARD_RPI) -static void ProcessKeyboard(void); // Process keyboard events -#endif - -static void InitEvdevInput(void); // Initialize evdev inputs -static void ConfigureEvdevDevice(char *device); // Identifies a input device and configures it for use if appropriate -static void PollKeyboardEvents(void); // Process evdev keyboard events -static void *EventThread(void *arg); // Input device events reading thread - -static void InitGamepad(void); // Initialize raw gamepad input -static void *GamepadThread(void *arg); // Mouse reading thread - -static int FindMatchingConnectorMode(const drmModeConnector *connector, const drmModeModeInfo *mode); // Search matching DRM mode in connector's mode list -static int FindExactConnectorMode(const drmModeConnector *connector, uint width, uint height, uint fps, bool allowInterlaced); // Search exactly matching DRM connector mode in connector's list -static int FindNearestConnectorMode(const drmModeConnector *connector, uint width, uint height, uint fps, bool allowInterlaced); // Search the nearest matching DRM connector mode in connector's list - -//---------------------------------------------------------------------------------- -// 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 - -#if defined(SUPPORT_EVENTS_AUTOMATION) - events = (AutomationEvent *)RL_CALLOC(MAX_CODE_AUTOMATION_EVENTS, sizeof(AutomationEvent)); - CORE.Time.frameCounter = 0; -#endif - - // Initialize random seed - SetRandomSeed((unsigned int)time(NULL)); - - TRACELOG(LOG_INFO, "PLATFORM: DRM: 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 - -#if defined(_WIN32) && defined(SUPPORT_WINMM_HIGHRES_TIMER) && !defined(SUPPORT_BUSY_WAIT_LOOP) - timeEndPeriod(1); // Restore time period -#endif - - // 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 -// NOTE: By default, if KEY_ESCAPE pressed -bool WindowShouldClose(void) -{ - if (CORE.Window.ready) return CORE.Window.shouldClose; - else return true; -} - -// Toggle fullscreen mode -void ToggleFullscreen(void) -{ - TRACELOG(LOG_WARNING, "ToggleFullscreen() not available on target platform"); -} - -// Toggle borderless windowed mode -void ToggleBorderlessWindowed(void) -{ - TRACELOG(LOG_WARNING, "ToggleBorderlessWindowed() not available on target platform"); -} - -// Set window state: maximized, if resizable -void MaximizeWindow(void) -{ - TRACELOG(LOG_WARNING, "MaximizeWindow() not available on target platform"); -} - -// Set window state: minimized -void MinimizeWindow(void) -{ - TRACELOG(LOG_WARNING, "MinimizeWindow() not available on target platform"); -} - -// Set window state: not minimized/maximized -void RestoreWindow(void) -{ - TRACELOG(LOG_WARNING, "RestoreWindow() not available on target platform"); -} - -// Set window configuration state using flags -void SetWindowState(unsigned int flags) -{ - TRACELOG(LOG_WARNING, "SetWindowState() not available on target platform"); -} - -// 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) -{ - int refresh = 0; - - if ((platform.connector) && (platform.modeIndex >= 0)) - { - refresh = platform.connector->modes[platform.modeIndex].vrefresh; - } - - return refresh; -} - -// 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) -{ - return (Vector2){ 0, 0 }; -} - -// Get window scale DPI factor for current monitor -Vector2 GetWindowScaleDPI(void) -{ - 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) -{ - eglSwapBuffers(platform.device, platform.surface); - - if (!platform.gbmSurface || (-1 == platform.fd) || !platform.connector || !platform.crtc) TRACELOG(LOG_ERROR, "DISPLAY: DRM initialization failed to swap"); - - struct gbm_bo *bo = gbm_surface_lock_front_buffer(platform.gbmSurface); - if (!bo) TRACELOG(LOG_ERROR, "DISPLAY: Failed GBM to lock front buffer"); - - uint32_t fb = 0; - int result = drmModeAddFB(platform.fd, platform.connector->modes[platform.modeIndex].hdisplay, platform.connector->modes[platform.modeIndex].vdisplay, 24, 32, gbm_bo_get_stride(bo), gbm_bo_get_handle(bo).u32, &fb); - if (result != 0) TRACELOG(LOG_ERROR, "DISPLAY: drmModeAddFB() failed with result: %d", result); - - result = drmModeSetCrtc(platform.fd, platform.crtc->crtc_id, fb, 0, 0, &platform.connector->connector_id, 1, &platform.connector->modes[platform.modeIndex]); - if (result != 0) TRACELOG(LOG_ERROR, "DISPLAY: drmModeSetCrtc() failed with result: %d", result); - - if (platform.prevFB) - { - result = drmModeRmFB(platform.fd, platform.prevFB); - if (result != 0) TRACELOG(LOG_ERROR, "DISPLAY: drmModeRmFB() failed with result: %d", result); - } - - platform.prevFB = fb; - - if (platform.prevBO) gbm_surface_release_buffer(platform.gbmSurface, platform.prevBO); - - platform.prevBO = bo; -} - -//---------------------------------------------------------------------------------- -// Module Functions Definition: Misc -//---------------------------------------------------------------------------------- - -// Get elapsed time measure in seconds since InitTimer() -double GetTime(void) -{ - double time = 0.0; - struct timespec ts = { 0 }; - clock_gettime(CLOCK_MONOTONIC, &ts); - unsigned long long int nanoSeconds = (unsigned long long int)ts.tv_sec*1000000000LLU + (unsigned long long int)ts.tv_nsec; - - time = (double)(nanoSeconds - CORE.Time.base)*1e-9; // Elapsed time since InitTimer() - - 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) -{ - TRACELOG(LOG_WARNING, "OpenURL() not implemented on target platform"); -} - -//---------------------------------------------------------------------------------- -// 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 = 0; // GAMEPAD_BUTTON_UNKNOWN - //CORE.Input.Gamepad.axisCount = 0; - - // Register previous keys states - 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; - } - - PollKeyboardEvents(); - - // Register previous mouse states - CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove; - CORE.Input.Mouse.currentWheelMove = platform.eventWheelMove; - platform.eventWheelMove = (Vector2){ 0.0f, 0.0f }; - for (int i = 0; i < MAX_MOUSE_BUTTONS; i++) - { - CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i]; - CORE.Input.Mouse.currentButtonState[i] = platform.currentButtonStateEvdev[i]; - } - - // Register gamepads buttons events - for (int i = 0; i < MAX_GAMEPADS; i++) - { - if (CORE.Input.Gamepad.ready[i]) - { - // Register previous gamepad states - for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousButtonState[i][k] = CORE.Input.Gamepad.currentButtonState[i][k]; - } - } - - // 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 - //for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.position[i] = (Vector2){ 0, 0 }; - -#if defined(SUPPORT_SSH_KEYBOARD_RPI) - // NOTE: Keyboard reading could be done using input_event(s) or just read from stdin, both methods are used here. - // stdin reading is still used for legacy purposes, it allows keyboard input trough SSH console - - if (!platform.eventKeyboardMode) ProcessKeyboard(); - - // NOTE: Mouse input events polling is done asynchronously in another pthread - EventThread() - // NOTE: Gamepad (Joystick) input events polling is done asynchonously in another pthread - GamepadThread() -#endif -} - - -//---------------------------------------------------------------------------------- -// Module Internal Functions Definition -//---------------------------------------------------------------------------------- - -// Initialize platform: graphics, inputs and more -static int InitPlatform(void) -{ - platform.fd = -1; - platform.connector = NULL; - platform.modeIndex = -1; - platform.crtc = NULL; - platform.gbmDevice = NULL; - platform.gbmSurface = NULL; - platform.prevBO = NULL; - platform.prevFB = 0; - - CORE.Window.fullscreen = true; - CORE.Window.flags |= FLAG_FULLSCREEN_MODE; - -#if defined(DEFAULT_GRAPHIC_DEVICE_DRM) - platform.fd = open(DEFAULT_GRAPHIC_DEVICE_DRM, O_RDWR); -#else - TRACELOG(LOG_INFO, "DISPLAY: No graphic card set, trying platform-gpu-card"); - platform.fd = open("/dev/dri/by-path/platform-gpu-card", O_RDWR); // VideoCore VI (Raspberry Pi 4) - - if ((platform.fd == -1) || (drmModeGetResources(platform.fd) == NULL)) - { - TRACELOG(LOG_INFO, "DISPLAY: Failed to open platform-gpu-card, trying card1"); - platform.fd = open("/dev/dri/card1", O_RDWR); // Other Embedded - } - - if ((platform.fd == -1) || (drmModeGetResources(platform.fd) == NULL)) - { - TRACELOG(LOG_INFO, "DISPLAY: Failed to open graphic card1, trying card0"); - platform.fd = open("/dev/dri/card0", O_RDWR); // VideoCore IV (Raspberry Pi 1-3) - } -#endif - - if (platform.fd == -1) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to open graphic card"); - return -1; - } - - drmModeRes *res = drmModeGetResources(platform.fd); - if (!res) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed get DRM resources"); - return -1; - } - - TRACELOG(LOG_TRACE, "DISPLAY: Connectors found: %i", res->count_connectors); - - for (size_t i = 0; i < res->count_connectors; i++) - { - TRACELOG(LOG_TRACE, "DISPLAY: Connector index %i", i); - - drmModeConnector *con = drmModeGetConnector(platform.fd, res->connectors[i]); - TRACELOG(LOG_TRACE, "DISPLAY: Connector modes detected: %i", con->count_modes); - - if ((con->connection == DRM_MODE_CONNECTED) && (con->encoder_id)) - { - TRACELOG(LOG_TRACE, "DISPLAY: DRM mode connected"); - platform.connector = con; - break; - } - else - { - TRACELOG(LOG_TRACE, "DISPLAY: DRM mode NOT connected (deleting)"); - drmModeFreeConnector(con); - } - } - - if (!platform.connector) - { - TRACELOG(LOG_WARNING, "DISPLAY: No suitable DRM connector found"); - drmModeFreeResources(res); - return -1; - } - - drmModeEncoder *enc = drmModeGetEncoder(platform.fd, platform.connector->encoder_id); - if (!enc) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to get DRM mode encoder"); - drmModeFreeResources(res); - return -1; - } - - platform.crtc = drmModeGetCrtc(platform.fd, enc->crtc_id); - if (!platform.crtc) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to get DRM mode crtc"); - drmModeFreeEncoder(enc); - drmModeFreeResources(res); - return -1; - } - - // If InitWindow should use the current mode find it in the connector's mode list - if ((CORE.Window.screen.width <= 0) || (CORE.Window.screen.height <= 0)) - { - TRACELOG(LOG_TRACE, "DISPLAY: Selecting DRM connector mode for current used mode..."); - - platform.modeIndex = FindMatchingConnectorMode(platform.connector, &platform.crtc->mode); - - if (platform.modeIndex < 0) - { - TRACELOG(LOG_WARNING, "DISPLAY: No matching DRM connector mode found"); - drmModeFreeEncoder(enc); - drmModeFreeResources(res); - return -1; - } - - CORE.Window.screen.width = CORE.Window.display.width; - CORE.Window.screen.height = CORE.Window.display.height; - } - - const bool allowInterlaced = CORE.Window.flags & FLAG_INTERLACED_HINT; - const int fps = (CORE.Time.target > 0)? (1.0/CORE.Time.target) : 60; - - // Try to find an exact matching mode - platform.modeIndex = FindExactConnectorMode(platform.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, allowInterlaced); - - // If nothing found, try to find a nearly matching mode - if (platform.modeIndex < 0) platform.modeIndex = FindNearestConnectorMode(platform.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, allowInterlaced); - - // If nothing found, try to find an exactly matching mode including interlaced - if (platform.modeIndex < 0) platform.modeIndex = FindExactConnectorMode(platform.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, true); - - // If nothing found, try to find a nearly matching mode including interlaced - if (platform.modeIndex < 0) platform.modeIndex = FindNearestConnectorMode(platform.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, true); - - // If nothing found, there is no suitable mode - if (platform.modeIndex < 0) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to find a suitable DRM connector mode"); - drmModeFreeEncoder(enc); - drmModeFreeResources(res); - return -1; - } - - CORE.Window.display.width = platform.connector->modes[platform.modeIndex].hdisplay; - CORE.Window.display.height = platform.connector->modes[platform.modeIndex].vdisplay; - - TRACELOG(LOG_INFO, "DISPLAY: Selected DRM connector mode %s (%ux%u%c@%u)", platform.connector->modes[platform.modeIndex].name, - platform.connector->modes[platform.modeIndex].hdisplay, platform.connector->modes[platform.modeIndex].vdisplay, - (platform.connector->modes[platform.modeIndex].flags & DRM_MODE_FLAG_INTERLACE)? 'i' : 'p', - platform.connector->modes[platform.modeIndex].vrefresh); - - // Use the width and height of the surface for render - CORE.Window.render.width = CORE.Window.screen.width; - CORE.Window.render.height = CORE.Window.screen.height; - - drmModeFreeEncoder(enc); - enc = NULL; - - drmModeFreeResources(res); - res = NULL; - - platform.gbmDevice = gbm_create_device(platform.fd); - if (!platform.gbmDevice) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to create GBM device"); - return -1; - } - - platform.gbmSurface = gbm_surface_create(platform.gbmDevice, platform.connector->modes[platform.modeIndex].hdisplay, - platform.connector->modes[platform.modeIndex].vdisplay, GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING); - if (!platform.gbmSurface) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to create GBM surface"); - return -1; - } - - EGLint samples = 0; - EGLint sampleBuffer = 0; - if (CORE.Window.flags & FLAG_MSAA_4X_HINT) - { - samples = 4; - sampleBuffer = 1; - TRACELOG(LOG_INFO, "DISPLAY: Trying to enable MSAA x4"); - } - - const EGLint framebufferAttribs[] = - { - EGL_RENDERABLE_TYPE, (rlGetVersion() == RL_OPENGL_ES_30)? EGL_OPENGL_ES3_BIT : EGL_OPENGL_ES2_BIT, // Type of context support - EGL_SURFACE_TYPE, EGL_WINDOW_BIT, // Don't use it on Android! - EGL_RED_SIZE, 8, // RED color bit depth (alternative: 5) - EGL_GREEN_SIZE, 8, // GREEN color bit depth (alternative: 6) - EGL_BLUE_SIZE, 8, // BLUE color bit depth (alternative: 5) - EGL_ALPHA_SIZE, 8, // ALPHA bit depth (required for transparent framebuffer) - //EGL_TRANSPARENT_TYPE, EGL_NONE, // Request transparent framebuffer (EGL_TRANSPARENT_RGB does not work on RPI) - EGL_DEPTH_SIZE, 16, // Depth buffer size (Required to use Depth testing!) - //EGL_STENCIL_SIZE, 8, // Stencil buffer size - EGL_SAMPLE_BUFFERS, sampleBuffer, // Activate MSAA - EGL_SAMPLES, samples, // 4x Antialiasing if activated (Free on MALI GPUs) - EGL_NONE - }; - - const EGLint contextAttribs[] = { - EGL_CONTEXT_CLIENT_VERSION, 2, - EGL_NONE - }; - - EGLint numConfigs = 0; - - // Get an EGL device connection - platform.device = eglGetDisplay((EGLNativeDisplayType)platform.gbmDevice); - if (platform.device == EGL_NO_DISPLAY) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); - return -1; - } - - // Initialize the EGL device connection - if (eglInitialize(platform.device, NULL, NULL) == EGL_FALSE) - { - // If all of the calls to eglInitialize returned EGL_FALSE then an error has occurred. - TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); - return -1; - } - - if (!eglChooseConfig(platform.device, NULL, NULL, 0, &numConfigs)) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to get EGL config count: 0x%x", eglGetError()); - return -1; - } - - TRACELOG(LOG_TRACE, "DISPLAY: EGL configs available: %d", numConfigs); - - EGLConfig *configs = RL_CALLOC(numConfigs, sizeof(*configs)); - if (!configs) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to get memory for EGL configs"); - return -1; - } - - EGLint matchingNumConfigs = 0; - if (!eglChooseConfig(platform.device, framebufferAttribs, configs, numConfigs, &matchingNumConfigs)) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to choose EGL config: 0x%x", eglGetError()); - free(configs); - return -1; - } - - TRACELOG(LOG_TRACE, "DISPLAY: EGL matching configs available: %d", matchingNumConfigs); - - // find the EGL config that matches the previously setup GBM format - int found = 0; - for (EGLint i = 0; i < matchingNumConfigs; ++i) - { - EGLint id = 0; - if (!eglGetConfigAttrib(platform.device, configs[i], EGL_NATIVE_VISUAL_ID, &id)) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to get EGL config attribute: 0x%x", eglGetError()); - continue; - } - - if (GBM_FORMAT_ARGB8888 == id) - { - TRACELOG(LOG_TRACE, "DISPLAY: Using EGL config: %d", i); - platform.config = configs[i]; - found = 1; - break; - } - } - - RL_FREE(configs); - - if (!found) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to find a suitable EGL config"); - return -1; - } - - // Set rendering API - eglBindAPI(EGL_OPENGL_ES_API); - - // Create an EGL rendering context - platform.context = eglCreateContext(platform.device, platform.config, EGL_NO_CONTEXT, contextAttribs); - if (platform.context == EGL_NO_CONTEXT) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL context"); - return -1; - } - - // Create an EGL window surface - //--------------------------------------------------------------------------------- - platform.surface = eglCreateWindowSurface(platform.device, platform.config, (EGLNativeWindowType)platform.gbmSurface, NULL); - if (EGL_NO_SURFACE == platform.surface) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL window surface: 0x%04x", eglGetError()); - return -1; - } - - // At this point we need to manage render size vs screen size - // NOTE: This function use and modify global module variables: - // -> CORE.Window.screen.width/CORE.Window.screen.height - // -> CORE.Window.render.width/CORE.Window.render.height - // -> CORE.Window.screenScale - SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); - - // There must be at least one frame displayed before the buffers are swapped - //eglSwapInterval(platform.device, 1); - - if (eglMakeCurrent(platform.device, platform.surface, platform.surface, platform.context) == EGL_FALSE) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to attach EGL rendering context to EGL surface"); - return -1; - } - else - { - 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); - } - - // Load OpenGL extensions - // NOTE: GL procedures address loader is required to load extensions - rlLoadExtensions(eglGetProcAddress); - - if ((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0) MinimizeWindow(); - - CORE.Window.ready = true; // TODO: Proper validation on windows/context creation - - // If graphic device is no properly initialized, we end program - if (!CORE.Window.ready) { TRACELOG(LOG_FATAL, "PLATFORM: Failed to initialize graphic device"); return -1; } - else SetWindowPosition(GetMonitorWidth(GetCurrentMonitor()) / 2 - CORE.Window.screen.width / 2, GetMonitorHeight(GetCurrentMonitor()) / 2 - CORE.Window.screen.height / 2); - - // Set some default window flags - CORE.Window.flags &= ~FLAG_WINDOW_HIDDEN; // false - CORE.Window.flags &= ~FLAG_WINDOW_MINIMIZED; // false - CORE.Window.flags |= FLAG_WINDOW_MAXIMIZED; // true - CORE.Window.flags &= ~FLAG_WINDOW_UNFOCUSED; // false - - // Initialize hi-res timer - InitTimer(); - - // Initialize base path for storage - CORE.Storage.basePath = GetWorkingDirectory(); - - // Initialize raw input system - InitEvdevInput(); // Evdev inputs initialization - InitGamepad(); // Gamepad init - InitKeyboard(); // Keyboard init (stdin) - - return 0; -} - -// Close platform -static void ClosePlatform(void) -{ - if (platform.prevFB) - { - drmModeRmFB(platform.fd, platform.prevFB); - platform.prevFB = 0; - } - - if (platform.prevBO) - { - gbm_surface_release_buffer(platform.gbmSurface, platform.prevBO); - platform.prevBO = NULL; - } - - if (platform.gbmSurface) - { - gbm_surface_destroy(platform.gbmSurface); - platform.gbmSurface = NULL; - } - - if (platform.gbmDevice) - { - gbm_device_destroy(platform.gbmDevice); - platform.gbmDevice = NULL; - } - - if (platform.crtc) - { - if (platform.connector) - { - drmModeSetCrtc(platform.fd, platform.crtc->crtc_id, platform.crtc->buffer_id, - platform.crtc->x, platform.crtc->y, &platform.connector->connector_id, 1, &platform.crtc->mode); - drmModeFreeConnector(platform.connector); - platform.connector = NULL; - } - - drmModeFreeCrtc(platform.crtc); - platform.crtc = NULL; - } - - if (platform.fd != -1) - { - close(platform.fd); - platform.fd = -1; - } - - // Close surface, context and display - if (platform.device != EGL_NO_DISPLAY) - { - if (platform.surface != EGL_NO_SURFACE) - { - eglDestroySurface(platform.device, platform.surface); - platform.surface = EGL_NO_SURFACE; - } - - if (platform.context != EGL_NO_CONTEXT) - { - eglDestroyContext(platform.device, platform.context); - platform.context = EGL_NO_CONTEXT; - } - - eglTerminate(platform.device); - platform.device = EGL_NO_DISPLAY; - } - - // Wait for mouse and gamepad threads to finish before closing - // NOTE: Those threads should already have finished at this point - // because they are controlled by CORE.Window.shouldClose variable - - CORE.Window.shouldClose = true; // Added to force threads to exit when the close window is called - - // Close the evdev keyboard - if (platform.keyboardFd != -1) - { - close(platform.keyboardFd); - platform.keyboardFd = -1; - } - - for (int i = 0; i < sizeof(platform.eventWorker)/sizeof(InputEventWorker); ++i) - { - if (platform.eventWorker[i].threadId) - { - pthread_join(platform.eventWorker[i].threadId, NULL); - } - } - - if (platform.gamepadThreadId) pthread_join(platform.gamepadThreadId, NULL); -} - - -// Initialize Keyboard system (using standard input) -static void InitKeyboard(void) -{ - // NOTE: We read directly from Standard Input (stdin) - STDIN_FILENO file descriptor, - // Reading directly from stdin will give chars already key-mapped by kernel to ASCII or UNICODE - - // Save terminal keyboard settings - tcgetattr(STDIN_FILENO, &platform.defaultSettings); - - // Reconfigure terminal with new settings - struct termios keyboardNewSettings = { 0 }; - keyboardNewSettings = platform.defaultSettings; - - // New terminal settings for keyboard: turn off buffering (non-canonical mode), echo and key processing - // NOTE: ISIG controls if ^C and ^Z generate break signals or not - keyboardNewSettings.c_lflag &= ~(ICANON | ECHO | ISIG); - //keyboardNewSettings.c_iflag &= ~(ISTRIP | INLCR | ICRNL | IGNCR | IXON | IXOFF); - keyboardNewSettings.c_cc[VMIN] = 1; - keyboardNewSettings.c_cc[VTIME] = 0; - - // Set new keyboard settings (change occurs immediately) - tcsetattr(STDIN_FILENO, TCSANOW, &keyboardNewSettings); - - // Save old keyboard mode to restore it at the end - platform.defaultFileFlags = fcntl(STDIN_FILENO, F_GETFL, 0); // F_GETFL: Get the file access mode and the file status flags - fcntl(STDIN_FILENO, F_SETFL, platform.defaultFileFlags | O_NONBLOCK); // F_SETFL: Set the file status flags to the value specified - - // NOTE: If ioctl() returns -1, it means the call failed for some reason (error code set in errno) - int result = ioctl(STDIN_FILENO, KDGKBMODE, &platform.defaultKeyboardMode); - - // In case of failure, it could mean a remote keyboard is used (SSH) - if (result < 0) TRACELOG(LOG_WARNING, "RPI: Failed to change keyboard mode, an SSH keyboard is probably used"); - else - { - // Reconfigure keyboard mode to get: - // - scancodes (K_RAW) - // - keycodes (K_MEDIUMRAW) - // - ASCII chars (K_XLATE) - // - UNICODE chars (K_UNICODE) - ioctl(STDIN_FILENO, KDSKBMODE, K_XLATE); // ASCII chars - } - - // Register keyboard restore when program finishes - atexit(RestoreKeyboard); -} - -// Restore default keyboard input -static void RestoreKeyboard(void) -{ - // Reset to default keyboard settings - tcsetattr(STDIN_FILENO, TCSANOW, &platform.defaultSettings); - - // Reconfigure keyboard to default mode - fcntl(STDIN_FILENO, F_SETFL, platform.defaultFileFlags); - ioctl(STDIN_FILENO, KDSKBMODE, platform.defaultKeyboardMode); -} - -#if defined(SUPPORT_SSH_KEYBOARD_RPI) -// Process keyboard inputs -static void ProcessKeyboard(void) -{ - #define MAX_KEYBUFFER_SIZE 32 // Max size in bytes to read - - // Keyboard input polling (fill keys[256] array with status) - int bufferByteCount = 0; // Bytes available on the buffer - char keysBuffer[MAX_KEYBUFFER_SIZE] = { 0 }; // Max keys to be read at a time - - // Read availables keycodes from stdin - bufferByteCount = read(STDIN_FILENO, keysBuffer, MAX_KEYBUFFER_SIZE); // POSIX system call - - // Reset pressed keys array (it will be filled below) - for (int i = 0; i < MAX_KEYBOARD_KEYS; i++) - { - CORE.Input.Keyboard.currentKeyState[i] = 0; - CORE.Input.Keyboard.keyRepeatInFrame[i] = 0; - } - - // Fill all read bytes (looking for keys) - for (int i = 0; i < bufferByteCount; i++) - { - // NOTE: If (key == 0x1b), depending on next key, it could be a special keymap code! - // Up -> 1b 5b 41 / Left -> 1b 5b 44 / Right -> 1b 5b 43 / Down -> 1b 5b 42 - if (keysBuffer[i] == 0x1b) - { - // Check if ESCAPE key has been pressed to stop program - if (bufferByteCount == 1) CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] = 1; - else - { - if (keysBuffer[i + 1] == 0x5b) // Special function key - { - if ((keysBuffer[i + 2] == 0x5b) || (keysBuffer[i + 2] == 0x31) || (keysBuffer[i + 2] == 0x32)) - { - // Process special function keys (F1 - F12) - switch (keysBuffer[i + 3]) - { - case 0x41: CORE.Input.Keyboard.currentKeyState[290] = 1; break; // raylib KEY_F1 - case 0x42: CORE.Input.Keyboard.currentKeyState[291] = 1; break; // raylib KEY_F2 - case 0x43: CORE.Input.Keyboard.currentKeyState[292] = 1; break; // raylib KEY_F3 - case 0x44: CORE.Input.Keyboard.currentKeyState[293] = 1; break; // raylib KEY_F4 - case 0x45: CORE.Input.Keyboard.currentKeyState[294] = 1; break; // raylib KEY_F5 - case 0x37: CORE.Input.Keyboard.currentKeyState[295] = 1; break; // raylib KEY_F6 - case 0x38: CORE.Input.Keyboard.currentKeyState[296] = 1; break; // raylib KEY_F7 - case 0x39: CORE.Input.Keyboard.currentKeyState[297] = 1; break; // raylib KEY_F8 - case 0x30: CORE.Input.Keyboard.currentKeyState[298] = 1; break; // raylib KEY_F9 - case 0x31: CORE.Input.Keyboard.currentKeyState[299] = 1; break; // raylib KEY_F10 - case 0x33: CORE.Input.Keyboard.currentKeyState[300] = 1; break; // raylib KEY_F11 - case 0x34: CORE.Input.Keyboard.currentKeyState[301] = 1; break; // raylib KEY_F12 - default: break; - } - - if (keysBuffer[i + 2] == 0x5b) i += 4; - else if ((keysBuffer[i + 2] == 0x31) || (keysBuffer[i + 2] == 0x32)) i += 5; - } - else - { - switch (keysBuffer[i + 2]) - { - case 0x41: CORE.Input.Keyboard.currentKeyState[265] = 1; break; // raylib KEY_UP - case 0x42: CORE.Input.Keyboard.currentKeyState[264] = 1; break; // raylib KEY_DOWN - case 0x43: CORE.Input.Keyboard.currentKeyState[262] = 1; break; // raylib KEY_RIGHT - case 0x44: CORE.Input.Keyboard.currentKeyState[263] = 1; break; // raylib KEY_LEFT - default: break; - } - - i += 3; // Jump to next key - } - - // NOTE: Some keys are not directly keymapped (CTRL, ALT, SHIFT) - } - } - } - else if (keysBuffer[i] == 0x0a) // raylib KEY_ENTER (don't mix with <linux/input.h> KEY_*) - { - CORE.Input.Keyboard.currentKeyState[257] = 1; - - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = 257; // Add keys pressed into queue - CORE.Input.Keyboard.keyPressedQueueCount++; - } - else if (keysBuffer[i] == 0x7f) // raylib KEY_BACKSPACE - { - CORE.Input.Keyboard.currentKeyState[259] = 1; - - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = 257; // Add keys pressed into queue - CORE.Input.Keyboard.keyPressedQueueCount++; - } - else - { - // Translate lowercase a-z letters to A-Z - if ((keysBuffer[i] >= 97) && (keysBuffer[i] <= 122)) - { - CORE.Input.Keyboard.currentKeyState[(int)keysBuffer[i] - 32] = 1; - } - else CORE.Input.Keyboard.currentKeyState[(int)keysBuffer[i]] = 1; - - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keysBuffer[i]; // Add keys pressed into queue - CORE.Input.Keyboard.keyPressedQueueCount++; - } - } - - // Check exit key (same functionality as GLFW3 KeyCallback()) - if (CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] == 1) CORE.Window.shouldClose = true; - -#if defined(SUPPORT_SCREEN_CAPTURE) - // Check screen capture key (raylib key: KEY_F12) - if (CORE.Input.Keyboard.currentKeyState[301] == 1) - { - TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); - screenshotCounter++; - } -#endif -} -#endif // SUPPORT_SSH_KEYBOARD_RPI - -// Initialise user input from evdev(/dev/input/event<N>) -// this means mouse, keyboard or gamepad devices -static void InitEvdevInput(void) -{ - char path[MAX_FILEPATH_LENGTH] = { 0 }; - DIR *directory = NULL; - struct dirent *entity = NULL; - - // Initialise keyboard file descriptor - platform.keyboardFd = -1; - - // Reset variables - for (int i = 0; i < MAX_TOUCH_POINTS; ++i) - { - CORE.Input.Touch.position[i].x = -1; - CORE.Input.Touch.position[i].y = -1; - } - - // Reset keyboard key state - for (int i = 0; i < MAX_KEYBOARD_KEYS; i++) - { - CORE.Input.Keyboard.currentKeyState[i] = 0; - CORE.Input.Keyboard.keyRepeatInFrame[i] = 0; - } - - // Open the linux directory of "/dev/input" - directory = opendir(DEFAULT_EVDEV_PATH); - - if (directory) - { - while ((entity = readdir(directory)) != NULL) - { - if ((strncmp("event", entity->d_name, strlen("event")) == 0) || // Search for devices named "event*" - (strncmp("mouse", entity->d_name, strlen("mouse")) == 0)) // Search for devices named "mouse*" - { - sprintf(path, "%s%s", DEFAULT_EVDEV_PATH, entity->d_name); - ConfigureEvdevDevice(path); // Configure the device if appropriate - } - } - - closedir(directory); - } - else TRACELOG(LOG_WARNING, "RPI: Failed to open linux event directory: %s", DEFAULT_EVDEV_PATH); -} - -// Identifies a input device and configures it for use if appropriate -static void ConfigureEvdevDevice(char *device) -{ - #define BITS_PER_LONG (8*sizeof(long)) - #define NBITS(x) ((((x) - 1)/BITS_PER_LONG) + 1) - #define OFF(x) ((x)%BITS_PER_LONG) - #define BIT(x) (1UL<<OFF(x)) - #define LONG(x) ((x)/BITS_PER_LONG) - #define TEST_BIT(array, bit) ((array[LONG(bit)] >> OFF(bit)) & 1) - - struct input_absinfo absinfo = { 0 }; - unsigned long evBits[NBITS(EV_MAX)] = { 0 }; - unsigned long absBits[NBITS(ABS_MAX)] = { 0 }; - unsigned long relBits[NBITS(REL_MAX)] = { 0 }; - unsigned long keyBits[NBITS(KEY_MAX)] = { 0 }; - bool hasAbs = false; - bool hasRel = false; - bool hasAbsMulti = false; - int freeWorkerId = -1; - int fd = -1; - - InputEventWorker *worker = NULL; - - // Open the device and allocate worker - //------------------------------------------------------------------------------------------------------- - // Find a free spot in the workers array - for (int i = 0; i < sizeof(platform.eventWorker)/sizeof(InputEventWorker); ++i) - { - if (platform.eventWorker[i].threadId == 0) - { - freeWorkerId = i; - break; - } - } - - // Select the free worker from array - if (freeWorkerId >= 0) - { - worker = &(platform.eventWorker[freeWorkerId]); // Grab a pointer to the worker - memset(worker, 0, sizeof(InputEventWorker)); // Clear the worker - } - else - { - TRACELOG(LOG_WARNING, "RPI: Failed to create input device thread for %s, out of worker slots", device); - return; - } - - // Open the device - fd = open(device, O_RDONLY | O_NONBLOCK); - if (fd < 0) - { - TRACELOG(LOG_WARNING, "RPI: Failed to open input device: %s", device); - return; - } - worker->fd = fd; - - // Grab number on the end of the devices name "event<N>" - int devNum = 0; - char *ptrDevName = strrchr(device, 't'); - worker->eventNum = -1; - - if (ptrDevName != NULL) - { - if (sscanf(ptrDevName, "t%d", &devNum) == 1) worker->eventNum = devNum; - } - else worker->eventNum = 0; // TODO: HACK: Grab number for mouse0 device! - - // At this point we have a connection to the device, but we don't yet know what the device is. - // It could be many things, even as simple as a power button... - //------------------------------------------------------------------------------------------------------- - - // Identify the device - //------------------------------------------------------------------------------------------------------- - ioctl(fd, EVIOCGBIT(0, sizeof(evBits)), evBits); // Read a bitfield of the available device properties - - // Check for absolute input devices - if (TEST_BIT(evBits, EV_ABS)) - { - ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absBits)), absBits); - - // Check for absolute movement support (usually touchscreens, but also joysticks) - if (TEST_BIT(absBits, ABS_X) && TEST_BIT(absBits, ABS_Y)) - { - hasAbs = true; - - // Get the scaling values - ioctl(fd, EVIOCGABS(ABS_X), &absinfo); - worker->absRange.x = absinfo.minimum; - worker->absRange.width = absinfo.maximum - absinfo.minimum; - ioctl(fd, EVIOCGABS(ABS_Y), &absinfo); - worker->absRange.y = absinfo.minimum; - worker->absRange.height = absinfo.maximum - absinfo.minimum; - } - - // Check for multiple absolute movement support (usually multitouch touchscreens) - if (TEST_BIT(absBits, ABS_MT_POSITION_X) && TEST_BIT(absBits, ABS_MT_POSITION_Y)) - { - hasAbsMulti = true; - - // Get the scaling values - ioctl(fd, EVIOCGABS(ABS_X), &absinfo); - worker->absRange.x = absinfo.minimum; - worker->absRange.width = absinfo.maximum - absinfo.minimum; - ioctl(fd, EVIOCGABS(ABS_Y), &absinfo); - worker->absRange.y = absinfo.minimum; - worker->absRange.height = absinfo.maximum - absinfo.minimum; - } - } - - // Check for relative movement support (usually mouse) - if (TEST_BIT(evBits, EV_REL)) - { - ioctl(fd, EVIOCGBIT(EV_REL, sizeof(relBits)), relBits); - - if (TEST_BIT(relBits, REL_X) && TEST_BIT(relBits, REL_Y)) hasRel = true; - } - - // Check for button support to determine the device type(usually on all input devices) - if (TEST_BIT(evBits, EV_KEY)) - { - ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keyBits)), keyBits); - - if (hasAbs || hasAbsMulti) - { - if (TEST_BIT(keyBits, BTN_TOUCH)) worker->isTouch = true; // This is a touchscreen - if (TEST_BIT(keyBits, BTN_TOOL_FINGER)) worker->isTouch = true; // This is a drawing tablet - if (TEST_BIT(keyBits, BTN_TOOL_PEN)) worker->isTouch = true; // This is a drawing tablet - if (TEST_BIT(keyBits, BTN_STYLUS)) worker->isTouch = true; // This is a drawing tablet - if (worker->isTouch || hasAbsMulti) worker->isMultitouch = true; // This is a multitouch capable device - } - - if (hasRel) - { - if (TEST_BIT(keyBits, BTN_LEFT)) worker->isMouse = true; // This is a mouse - if (TEST_BIT(keyBits, BTN_RIGHT)) worker->isMouse = true; // This is a mouse - } - - if (TEST_BIT(keyBits, BTN_A)) worker->isGamepad = true; // This is a gamepad - if (TEST_BIT(keyBits, BTN_TRIGGER)) worker->isGamepad = true; // This is a gamepad - if (TEST_BIT(keyBits, BTN_START)) worker->isGamepad = true; // This is a gamepad - if (TEST_BIT(keyBits, BTN_TL)) worker->isGamepad = true; // This is a gamepad - if (TEST_BIT(keyBits, BTN_TL)) worker->isGamepad = true; // This is a gamepad - - if (TEST_BIT(keyBits, KEY_SPACE)) worker->isKeyboard = true; // This is a keyboard - } - //------------------------------------------------------------------------------------------------------- - - // Decide what to do with the device - //------------------------------------------------------------------------------------------------------- - if (worker->isKeyboard && (platform.keyboardFd == -1)) - { - // Use the first keyboard encountered. This assumes that a device that says it's a keyboard is just a - // keyboard. The keyboard is polled synchronously, whereas other input devices are polled in separate - // threads so that they don't drop events when the frame rate is slow. - TRACELOG(LOG_INFO, "RPI: Opening keyboard device: %s", device); - platform.keyboardFd = worker->fd; - } - else if (worker->isTouch || worker->isMouse) - { - // Looks like an interesting device - TRACELOG(LOG_INFO, "RPI: Opening input device: %s (%s%s%s%s)", device, - worker->isMouse? "mouse " : "", - worker->isMultitouch? "multitouch " : "", - worker->isTouch? "touchscreen " : "", - worker->isGamepad? "gamepad " : ""); - - // Create a thread for this device - int error = pthread_create(&worker->threadId, NULL, &EventThread, (void *)worker); - if (error != 0) - { - TRACELOG(LOG_WARNING, "RPI: Failed to create input device thread: %s (error: %d)", device, error); - worker->threadId = 0; - close(fd); - } - -#if defined(USE_LAST_TOUCH_DEVICE) - // Find touchscreen with the highest index - int maxTouchNumber = -1; - - for (int i = 0; i < sizeof(platform.eventWorker)/sizeof(InputEventWorker); ++i) - { - if (platform.eventWorker[i].isTouch && (platform.eventWorker[i].eventNum > maxTouchNumber)) maxTouchNumber = platform.eventWorker[i].eventNum; - } - - // Find touchscreens with lower indexes - for (int i = 0; i < sizeof(platform.eventWorker)/sizeof(InputEventWorker); ++i) - { - if (platform.eventWorker[i].isTouch && (platform.eventWorker[i].eventNum < maxTouchNumber)) - { - if (platform.eventWorker[i].threadId != 0) - { - TRACELOG(LOG_WARNING, "RPI: Found duplicate touchscreen, killing touchscreen on event: %d", i); - pthread_cancel(platform.eventWorker[i].threadId); - close(platform.eventWorker[i].fd); - } - } - } -#endif - } - else close(fd); // We are not interested in this device - //------------------------------------------------------------------------------------------------------- -} - -// Poll and process evdev keyboard events -static void PollKeyboardEvents(void) -{ - // Scancode to keycode mapping for US keyboards - // TODO: Replace this with a keymap from the X11 to get the correct regional map for the keyboard: - // Currently non US keyboards will have the wrong mapping for some keys - static const int keymapUS[] = { - 0, 256, 49, 50, 51, 52, 53, 54, 55, 56, 57, 48, 45, 61, 259, 258, 81, 87, 69, 82, 84, - 89, 85, 73, 79, 80, 91, 93, 257, 341, 65, 83, 68, 70, 71, 72, 74, 75, 76, 59, 39, 96, - 340, 92, 90, 88, 67, 86, 66, 78, 77, 44, 46, 47, 344, 332, 342, 32, 280, 290, 291, - 292, 293, 294, 295, 296, 297, 298, 299, 282, 281, 327, 328, 329, 333, 324, 325, - 326, 334, 321, 322, 323, 320, 330, 0, 85, 86, 300, 301, 89, 90, 91, 92, 93, 94, 95, - 335, 345, 331, 283, 346, 101, 268, 265, 266, 263, 262, 269, 264, 267, 260, 261, - 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 347, 127, - 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, - 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, - 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, - 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, - 192, 193, 194, 0, 0, 0, 0, 0, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, - 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, - 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, - 243, 244, 245, 246, 247, 248, 0, 0, 0, 0, 0, 0, 0 - }; - - int fd = platform.keyboardFd; - if (fd == -1) return; - - struct input_event event = { 0 }; - int keycode = -1; - - // Try to read data from the keyboard and only continue if successful - while (read(fd, &event, sizeof(event)) == (int)sizeof(event)) - { - // Button parsing - if (event.type == EV_KEY) - { -#if defined(SUPPORT_SSH_KEYBOARD_RPI) - // Change keyboard mode to events - platform.eventKeyboardMode = true; -#endif - // Keyboard button parsing - if ((event.code >= 1) && (event.code <= 255)) //Keyboard keys appear for codes 1 to 255 - { - keycode = keymapUS[event.code & 0xFF]; // The code we get is a scancode so we look up the appropriate keycode - - // Make sure we got a valid keycode - if ((keycode > 0) && (keycode < sizeof(CORE.Input.Keyboard.currentKeyState))) - { - // WARNING: https://www.kernel.org/doc/Documentation/input/input.txt - // Event interface: 'value' is the value the event carries. Either a relative change for EV_REL, - // absolute new value for EV_ABS (joysticks ...), or 0 for EV_KEY for release, 1 for keypress and 2 for autorepeat - CORE.Input.Keyboard.currentKeyState[keycode] = (event.value >= 1)? 1 : 0; - if (event.value >= 1) - { - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keycode; // Register last key pressed - CORE.Input.Keyboard.keyPressedQueueCount++; - } - - #if defined(SUPPORT_SCREEN_CAPTURE) - // Check screen capture key (raylib key: KEY_F12) - if (CORE.Input.Keyboard.currentKeyState[301] == 1) - { - TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); - screenshotCounter++; - } - #endif - - if (CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] == 1) CORE.Window.shouldClose = true; - - TRACELOGD("RPI: KEY_%s ScanCode: %4i KeyCode: %4i", (event.value == 0)? "UP" : "DOWN", event.code, keycode); - } - } - } - } -} - -// Input device events reading thread -static void *EventThread(void *arg) -{ - struct input_event event = { 0 }; - InputEventWorker *worker = (InputEventWorker *)arg; - - 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 - - while (!CORE.Window.shouldClose) - { - // Try to read data from the device and only continue if successful - while (read(worker->fd, &event, sizeof(event)) == (int)sizeof(event)) - { - // Relative movement parsing - if (event.type == EV_REL) - { - if (event.code == REL_X) - { - CORE.Input.Mouse.currentPosition.x += event.value; - CORE.Input.Touch.position[0].x = CORE.Input.Mouse.currentPosition.x; - - touchAction = 2; // TOUCH_ACTION_MOVE - gestureUpdate = true; - } - - if (event.code == REL_Y) - { - CORE.Input.Mouse.currentPosition.y += event.value; - CORE.Input.Touch.position[0].y = CORE.Input.Mouse.currentPosition.y; - - touchAction = 2; // TOUCH_ACTION_MOVE - gestureUpdate = true; - } - - if (event.code == REL_WHEEL) platform.eventWheelMove.y += event.value; - } - - // Absolute movement parsing - if (event.type == EV_ABS) - { - // Basic movement - if (event.code == ABS_X) - { - CORE.Input.Mouse.currentPosition.x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale according to absRange - CORE.Input.Touch.position[0].x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale according to absRange - - touchAction = 2; // TOUCH_ACTION_MOVE - gestureUpdate = true; - } - - if (event.code == ABS_Y) - { - CORE.Input.Mouse.currentPosition.y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale according to absRange - CORE.Input.Touch.position[0].y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale according to absRange - - touchAction = 2; // TOUCH_ACTION_MOVE - gestureUpdate = true; - } - - // Multitouch movement - if (event.code == ABS_MT_SLOT) worker->touchSlot = event.value; // Remember the slot number for the folowing events - - if (event.code == ABS_MT_POSITION_X) - { - if (worker->touchSlot < MAX_TOUCH_POINTS) CORE.Input.Touch.position[worker->touchSlot].x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale according to absRange - } - - if (event.code == ABS_MT_POSITION_Y) - { - if (worker->touchSlot < MAX_TOUCH_POINTS) CORE.Input.Touch.position[worker->touchSlot].y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale according to absRange - } - - if (event.code == ABS_MT_TRACKING_ID) - { - if ((event.value < 0) && (worker->touchSlot < MAX_TOUCH_POINTS)) - { - // Touch has ended for this point - CORE.Input.Touch.position[worker->touchSlot].x = -1; - CORE.Input.Touch.position[worker->touchSlot].y = -1; - } - } - - // Touchscreen tap - if (event.code == ABS_PRESSURE) - { - int previousMouseLeftButtonState = platform.currentButtonStateEvdev[MOUSE_BUTTON_LEFT]; - - if (!event.value && previousMouseLeftButtonState) - { - platform.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = 0; - - touchAction = 0; // TOUCH_ACTION_UP - gestureUpdate = true; - } - - if (event.value && !previousMouseLeftButtonState) - { - platform.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = 1; - - touchAction = 1; // TOUCH_ACTION_DOWN - gestureUpdate = true; - } - } - - } - - // Button parsing - if (event.type == EV_KEY) - { - // Mouse button parsing - if ((event.code == BTN_TOUCH) || (event.code == BTN_LEFT)) - { - platform.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = event.value; - - if (event.value > 0) touchAction = 1; // TOUCH_ACTION_DOWN - else touchAction = 0; // TOUCH_ACTION_UP - gestureUpdate = true; - } - - if (event.code == BTN_RIGHT) platform.currentButtonStateEvdev[MOUSE_BUTTON_RIGHT] = event.value; - if (event.code == BTN_MIDDLE) platform.currentButtonStateEvdev[MOUSE_BUTTON_MIDDLE] = event.value; - if (event.code == BTN_SIDE) platform.currentButtonStateEvdev[MOUSE_BUTTON_SIDE] = event.value; - if (event.code == BTN_EXTRA) platform.currentButtonStateEvdev[MOUSE_BUTTON_EXTRA] = event.value; - if (event.code == BTN_FORWARD) platform.currentButtonStateEvdev[MOUSE_BUTTON_FORWARD] = event.value; - if (event.code == BTN_BACK) platform.currentButtonStateEvdev[MOUSE_BUTTON_BACK] = event.value; - } - - // Screen confinement - if (!CORE.Input.Mouse.cursorHidden) - { - if (CORE.Input.Mouse.currentPosition.x < 0) CORE.Input.Mouse.currentPosition.x = 0; - if (CORE.Input.Mouse.currentPosition.x > CORE.Window.screen.width/CORE.Input.Mouse.scale.x) CORE.Input.Mouse.currentPosition.x = CORE.Window.screen.width/CORE.Input.Mouse.scale.x; - - if (CORE.Input.Mouse.currentPosition.y < 0) CORE.Input.Mouse.currentPosition.y = 0; - if (CORE.Input.Mouse.currentPosition.y > CORE.Window.screen.height/CORE.Input.Mouse.scale.y) CORE.Input.Mouse.currentPosition.y = CORE.Window.screen.height/CORE.Input.Mouse.scale.y; - } - - // Update touch point count - CORE.Input.Touch.pointCount = 0; - for (int i = 0; i < MAX_TOUCH_POINTS; i++) - { - if (CORE.Input.Touch.position[i].x >= 0) CORE.Input.Touch.pointCount++; - } - -#if defined(SUPPORT_GESTURES_SYSTEM) - if (gestureUpdate) - { - GestureEvent gestureEvent = { 0 }; - - gestureEvent.touchAction = touchAction; - gestureEvent.pointCount = CORE.Input.Touch.pointCount; - - for (int i = 0; i < MAX_TOUCH_POINTS; i++) - { - gestureEvent.pointId[i] = i; - gestureEvent.position[i] = CORE.Input.Touch.position[i]; - } - - ProcessGestureEvent(gestureEvent); - } -#endif - } - - WaitTime(0.005); // Sleep for 5ms to avoid hogging CPU time - } - - close(worker->fd); - - return NULL; -} - -// Initialize gamepad system -static void InitGamepad(void) -{ - char gamepadDev[128] = { 0 }; - - for (int i = 0; i < MAX_GAMEPADS; i++) - { - sprintf(gamepadDev, "%s%i", DEFAULT_GAMEPAD_DEV, i); - - if ((platform.gamepadStreamFd[i] = open(gamepadDev, O_RDONLY | O_NONBLOCK)) < 0) - { - // NOTE: Only show message for first gamepad - if (i == 0) TRACELOG(LOG_WARNING, "RPI: Failed to open Gamepad device, no gamepad available"); - } - else - { - CORE.Input.Gamepad.ready[i] = true; - - // NOTE: Only create one thread - if (i == 0) - { - int error = pthread_create(&platform.gamepadThreadId, NULL, &GamepadThread, NULL); - - if (error != 0) TRACELOG(LOG_WARNING, "RPI: Failed to create gamepad input event thread"); - else TRACELOG(LOG_INFO, "RPI: Gamepad device initialized successfully"); - } - - ioctl(platform.gamepadStreamFd[i], JSIOCGNAME(64), &CORE.Input.Gamepad.name[i]); - ioctl(platform.gamepadStreamFd[i], JSIOCGAXES, &CORE.Input.Gamepad.axisCount[i]); - } - } -} - -// Process Gamepad (/dev/input/js0) -static void *GamepadThread(void *arg) -{ - #define JS_EVENT_BUTTON 0x01 // Button pressed/released - #define JS_EVENT_AXIS 0x02 // Joystick axis moved - #define JS_EVENT_INIT 0x80 // Initial state of device - - struct js_event { - unsigned int time; // event timestamp in milliseconds - short value; // event value - unsigned char type; // event type - unsigned char number; // event axis/button number - }; - - // Read gamepad event - struct js_event gamepadEvent = { 0 }; - - while (!CORE.Window.shouldClose) - { - for (int i = 0; i < MAX_GAMEPADS; i++) - { - if (read(platform.gamepadStreamFd[i], &gamepadEvent, sizeof(struct js_event)) == (int)sizeof(struct js_event)) - { - gamepadEvent.type &= ~JS_EVENT_INIT; // Ignore synthetic events - - // Process gamepad events by type - if (gamepadEvent.type == JS_EVENT_BUTTON) - { - //TRACELOG(LOG_WARNING, "RPI: Gamepad button: %i, value: %i", gamepadEvent.number, gamepadEvent.value); - - if (gamepadEvent.number < MAX_GAMEPAD_BUTTONS) - { - // 1 - button pressed, 0 - button released - CORE.Input.Gamepad.currentButtonState[i][gamepadEvent.number] = (int)gamepadEvent.value; - - if ((int)gamepadEvent.value == 1) CORE.Input.Gamepad.lastButtonPressed = gamepadEvent.number; - else CORE.Input.Gamepad.lastButtonPressed = 0; // GAMEPAD_BUTTON_UNKNOWN - } - } - else if (gamepadEvent.type == JS_EVENT_AXIS) - { - //TRACELOG(LOG_WARNING, "RPI: Gamepad axis: %i, value: %i", gamepadEvent.number, gamepadEvent.value); - - if (gamepadEvent.number < MAX_GAMEPAD_AXIS) - { - // NOTE: Scaling of gamepadEvent.value to get values between -1..1 - CORE.Input.Gamepad.axisState[i][gamepadEvent.number] = (float)gamepadEvent.value/32768; - } - } - } - else WaitTime(0.001); // Sleep for 1 ms to avoid hogging CPU time - } - } - - return NULL; -} - -// Search matching DRM mode in connector's mode list -static int FindMatchingConnectorMode(const drmModeConnector *connector, const drmModeModeInfo *mode) -{ - if (NULL == connector) return -1; - if (NULL == mode) return -1; - - // safe bitwise comparison of two modes - #define BINCMP(a, b) memcmp((a), (b), (sizeof(a) < sizeof(b))? sizeof(a) : sizeof(b)) - - for (size_t i = 0; i < connector->count_modes; i++) - { - TRACELOG(LOG_TRACE, "DISPLAY: DRM mode: %d %ux%u@%u %s", i, connector->modes[i].hdisplay, connector->modes[i].vdisplay, - connector->modes[i].vrefresh, (connector->modes[i].flags & DRM_MODE_FLAG_INTERLACE)? "interlaced" : "progressive"); - - if (0 == BINCMP(&platform.crtc->mode, &platform.connector->modes[i])) return i; - } - - return -1; - - #undef BINCMP -} - -// Search exactly matching DRM connector mode in connector's list -static int FindExactConnectorMode(const drmModeConnector *connector, uint width, uint height, uint fps, bool allowInterlaced) -{ - TRACELOG(LOG_TRACE, "DISPLAY: Searching exact connector mode for %ux%u@%u, selecting an interlaced mode is allowed: %s", width, height, fps, allowInterlaced? "yes" : "no"); - - if (NULL == connector) return -1; - - for (int i = 0; i < platform.connector->count_modes; i++) - { - const drmModeModeInfo *const mode = &platform.connector->modes[i]; - - TRACELOG(LOG_TRACE, "DISPLAY: DRM Mode %d %ux%u@%u %s", i, mode->hdisplay, mode->vdisplay, mode->vrefresh, (mode->flags & DRM_MODE_FLAG_INTERLACE)? "interlaced" : "progressive"); - - if ((mode->flags & DRM_MODE_FLAG_INTERLACE) && (!allowInterlaced)) continue; - - if ((mode->hdisplay == width) && (mode->vdisplay == height) && (mode->vrefresh == fps)) return i; - } - - TRACELOG(LOG_TRACE, "DISPLAY: No DRM exact matching mode found"); - return -1; -} - -// Search the nearest matching DRM connector mode in connector's list -static int FindNearestConnectorMode(const drmModeConnector *connector, uint width, uint height, uint fps, bool allowInterlaced) -{ - TRACELOG(LOG_TRACE, "DISPLAY: Searching nearest connector mode for %ux%u@%u, selecting an interlaced mode is allowed: %s", width, height, fps, allowInterlaced? "yes" : "no"); - - if (NULL == connector) return -1; - - int nearestIndex = -1; - for (int i = 0; i < platform.connector->count_modes; i++) - { - const drmModeModeInfo *const mode = &platform.connector->modes[i]; - - TRACELOG(LOG_TRACE, "DISPLAY: DRM mode: %d %ux%u@%u %s", i, mode->hdisplay, mode->vdisplay, mode->vrefresh, - (mode->flags & DRM_MODE_FLAG_INTERLACE)? "interlaced" : "progressive"); - - if ((mode->hdisplay < width) || (mode->vdisplay < height)) - { - TRACELOG(LOG_TRACE, "DISPLAY: DRM mode is too small"); - continue; - } - - if ((mode->flags & DRM_MODE_FLAG_INTERLACE) && (!allowInterlaced)) - { - TRACELOG(LOG_TRACE, "DISPLAY: DRM shouldn't choose an interlaced mode"); - continue; - } - - if (nearestIndex < 0) - { - nearestIndex = i; - continue; - } - - const int widthDiff = abs(mode->hdisplay - width); - const int heightDiff = abs(mode->vdisplay - height); - const int fpsDiff = abs(mode->vrefresh - fps); - - const int nearestWidthDiff = abs(platform.connector->modes[nearestIndex].hdisplay - width); - const int nearestHeightDiff = abs(platform.connector->modes[nearestIndex].vdisplay - height); - const int nearestFpsDiff = abs(platform.connector->modes[nearestIndex].vrefresh - fps); - - if ((widthDiff < nearestWidthDiff) || (heightDiff < nearestHeightDiff) || (fpsDiff < nearestFpsDiff)) { - nearestIndex = i; - } - } - - return nearestIndex; -} - -// EOF |
