diff options
Diffstat (limited to 'src/rcore_drm.c')
| -rw-r--r-- | src/rcore_drm.c | 398 |
1 files changed, 239 insertions, 159 deletions
diff --git a/src/rcore_drm.c b/src/rcore_drm.c index 2c05ab46..8c63b63d 100644 --- a/src/rcore_drm.c +++ b/src/rcore_drm.c @@ -17,8 +17,10 @@ * - TRACELOG() function is located in raylib [utils] module * * CONFIGURATION: -* #define RCORE_DRM_CUSTOM_FLAG -* Custom flag for rcore on PLATFORM_DRM -not used- +* #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) @@ -47,15 +49,93 @@ #include "rcore.h" +#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 +extern CoreData CORE; // Global CORE state context + +static PlatformData platform = { 0 }; // Platform specific data //---------------------------------------------------------------------------------- // Module Internal Functions Declaration @@ -227,67 +307,67 @@ void CloseWindow(void) timeEndPeriod(1); // Restore time period #endif - if (CORE.Window.prevFB) + if (platform.prevFB) { - drmModeRmFB(CORE.Window.fd, CORE.Window.prevFB); - CORE.Window.prevFB = 0; + drmModeRmFB(platform.fd, platform.prevFB); + platform.prevFB = 0; } - if (CORE.Window.prevBO) + if (platform.prevBO) { - gbm_surface_release_buffer(CORE.Window.gbmSurface, CORE.Window.prevBO); - CORE.Window.prevBO = NULL; + gbm_surface_release_buffer(platform.gbmSurface, platform.prevBO); + platform.prevBO = NULL; } - if (CORE.Window.gbmSurface) + if (platform.gbmSurface) { - gbm_surface_destroy(CORE.Window.gbmSurface); - CORE.Window.gbmSurface = NULL; + gbm_surface_destroy(platform.gbmSurface); + platform.gbmSurface = NULL; } - if (CORE.Window.gbmDevice) + if (platform.gbmDevice) { - gbm_device_destroy(CORE.Window.gbmDevice); - CORE.Window.gbmDevice = NULL; + gbm_device_destroy(platform.gbmDevice); + platform.gbmDevice = NULL; } - if (CORE.Window.crtc) + if (platform.crtc) { - if (CORE.Window.connector) + if (platform.connector) { - drmModeSetCrtc(CORE.Window.fd, CORE.Window.crtc->crtc_id, CORE.Window.crtc->buffer_id, - CORE.Window.crtc->x, CORE.Window.crtc->y, &CORE.Window.connector->connector_id, 1, &CORE.Window.crtc->mode); - drmModeFreeConnector(CORE.Window.connector); - CORE.Window.connector = NULL; + 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(CORE.Window.crtc); - CORE.Window.crtc = NULL; + drmModeFreeCrtc(platform.crtc); + platform.crtc = NULL; } - if (CORE.Window.fd != -1) + if (platform.fd != -1) { - close(CORE.Window.fd); - CORE.Window.fd = -1; + close(platform.fd); + platform.fd = -1; } // Close surface, context and display - if (CORE.Window.device != EGL_NO_DISPLAY) + if (platform.device != EGL_NO_DISPLAY) { - if (CORE.Window.surface != EGL_NO_SURFACE) + if (platform.surface != EGL_NO_SURFACE) { - eglDestroySurface(CORE.Window.device, CORE.Window.surface); - CORE.Window.surface = EGL_NO_SURFACE; + eglDestroySurface(platform.device, platform.surface); + platform.surface = EGL_NO_SURFACE; } - if (CORE.Window.context != EGL_NO_CONTEXT) + if (platform.context != EGL_NO_CONTEXT) { - eglDestroyContext(CORE.Window.device, CORE.Window.context); - CORE.Window.context = EGL_NO_CONTEXT; + eglDestroyContext(platform.device, platform.context); + platform.context = EGL_NO_CONTEXT; } - eglTerminate(CORE.Window.device); - CORE.Window.device = EGL_NO_DISPLAY; + eglTerminate(platform.device); + platform.device = EGL_NO_DISPLAY; } // Wait for mouse and gamepad threads to finish before closing @@ -297,21 +377,21 @@ void CloseWindow(void) CORE.Window.shouldClose = true; // Added to force threads to exit when the close window is called // Close the evdev keyboard - if (CORE.Input.Keyboard.fd != -1) + if (platform.keyboardFd != -1) { - close(CORE.Input.Keyboard.fd); - CORE.Input.Keyboard.fd = -1; + close(platform.keyboardFd); + platform.keyboardFd = -1; } - for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + for (int i = 0; i < sizeof(platform.eventWorker)/sizeof(InputEventWorker); ++i) { - if (CORE.Input.eventWorker[i].threadId) + if (platform.eventWorker[i].threadId) { - pthread_join(CORE.Input.eventWorker[i].threadId, NULL); + pthread_join(platform.eventWorker[i].threadId, NULL); } } - if (CORE.Input.Gamepad.threadId) pthread_join(CORE.Input.Gamepad.threadId, NULL); + if (platform.gamepadThreadId) pthread_join(platform.gamepadThreadId, NULL); #if defined(SUPPORT_EVENTS_AUTOMATION) RL_FREE(events); @@ -524,9 +604,9 @@ int GetMonitorRefreshRate(int monitor) { int refresh = 0; - if ((CORE.Window.connector) && (CORE.Window.modeIndex >= 0)) + if ((platform.connector) && (platform.modeIndex >= 0)) { - refresh = CORE.Window.connector->modes[CORE.Window.modeIndex].vrefresh; + refresh = platform.connector->modes[platform.modeIndex].vrefresh; } return refresh; @@ -659,7 +739,7 @@ const char *GetGamepadName(int gamepad) if (CORE.Input.Gamepad.ready[gamepad]) { - ioctl(CORE.Input.Gamepad.streamId[gamepad], JSIOCGNAME(64), &CORE.Input.Gamepad.name[gamepad]); + ioctl(platform.gamepadStreamFd[gamepad], JSIOCGNAME(64), &CORE.Input.Gamepad.name[gamepad]); name = CORE.Input.Gamepad.name[gamepad]; } @@ -670,7 +750,7 @@ const char *GetGamepadName(int gamepad) int GetGamepadAxisCount(int gamepad) { int axisCount = 0; - if (CORE.Input.Gamepad.ready[gamepad]) ioctl(CORE.Input.Gamepad.streamId[gamepad], JSIOCGAXES, &axisCount); + if (CORE.Input.Gamepad.ready[gamepad]) ioctl(platform.gamepadStreamFd[gamepad], JSIOCGAXES, &axisCount); CORE.Input.Gamepad.axisCount = axisCount; return CORE.Input.Gamepad.axisCount; @@ -756,31 +836,31 @@ Vector2 GetTouchPosition(int index) // Swap back buffer with front buffer (screen drawing) void SwapScreenBuffer(void) { - eglSwapBuffers(CORE.Window.device, CORE.Window.surface); + eglSwapBuffers(platform.device, platform.surface); - if (!CORE.Window.gbmSurface || (-1 == CORE.Window.fd) || !CORE.Window.connector || !CORE.Window.crtc) TRACELOG(LOG_ERROR, "DISPLAY: DRM initialization failed to swap"); + 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(CORE.Window.gbmSurface); + 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(CORE.Window.fd, CORE.Window.connector->modes[CORE.Window.modeIndex].hdisplay, CORE.Window.connector->modes[CORE.Window.modeIndex].vdisplay, 24, 32, gbm_bo_get_stride(bo), gbm_bo_get_handle(bo).u32, &fb); + 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(CORE.Window.fd, CORE.Window.crtc->crtc_id, fb, 0, 0, &CORE.Window.connector->connector_id, 1, &CORE.Window.connector->modes[CORE.Window.modeIndex]); + 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 (CORE.Window.prevFB) + if (platform.prevFB) { - result = drmModeRmFB(CORE.Window.fd, CORE.Window.prevFB); + result = drmModeRmFB(platform.fd, platform.prevFB); if (result != 0) TRACELOG(LOG_ERROR, "DISPLAY: drmModeRmFB() failed with result: %d", result); } - CORE.Window.prevFB = fb; + platform.prevFB = fb; - if (CORE.Window.prevBO) gbm_surface_release_buffer(CORE.Window.gbmSurface, CORE.Window.prevBO); + if (platform.prevBO) gbm_surface_release_buffer(platform.gbmSurface, platform.prevBO); - CORE.Window.prevBO = bo; + platform.prevBO = bo; } // Register all input events @@ -814,12 +894,12 @@ void PollInputEvents(void) // Register previous mouse states CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove; - CORE.Input.Mouse.currentWheelMove = CORE.Input.Mouse.eventWheelMove; - CORE.Input.Mouse.eventWheelMove = (Vector2){ 0.0f, 0.0f }; + 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] = CORE.Input.Mouse.currentButtonStateEvdev[i]; + CORE.Input.Mouse.currentButtonState[i] = platform.currentButtonStateEvdev[i]; } // Register gamepads buttons events @@ -844,7 +924,7 @@ void PollInputEvents(void) // 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 (!CORE.Input.Keyboard.evtMode) ProcessKeyboard(); + 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() @@ -877,41 +957,41 @@ static bool InitGraphicsDevice(int width, int height) CORE.Window.fullscreen = true; CORE.Window.flags |= FLAG_FULLSCREEN_MODE; - CORE.Window.fd = -1; - CORE.Window.connector = NULL; - CORE.Window.modeIndex = -1; - CORE.Window.crtc = NULL; - CORE.Window.gbmDevice = NULL; - CORE.Window.gbmSurface = NULL; - CORE.Window.prevBO = NULL; - CORE.Window.prevFB = 0; + platform.fd = -1; + platform.connector = NULL; + platform.modeIndex = -1; + platform.crtc = NULL; + platform.gbmDevice = NULL; + platform.gbmSurface = NULL; + platform.prevBO = NULL; + platform.prevFB = 0; #if defined(DEFAULT_GRAPHIC_DEVICE_DRM) - CORE.Window.fd = open(DEFAULT_GRAPHIC_DEVICE_DRM, O_RDWR); + platform.fd = open(DEFAULT_GRAPHIC_DEVICE_DRM, O_RDWR); #else TRACELOG(LOG_INFO, "DISPLAY: No graphic card set, trying platform-gpu-card"); - CORE.Window.fd = open("/dev/dri/by-path/platform-gpu-card", O_RDWR); // VideoCore VI (Raspberry Pi 4) + platform.fd = open("/dev/dri/by-path/platform-gpu-card", O_RDWR); // VideoCore VI (Raspberry Pi 4) - if ((CORE.Window.fd == -1) || (drmModeGetResources(CORE.Window.fd) == NULL)) + if ((platform.fd == -1) || (drmModeGetResources(platform.fd) == NULL)) { TRACELOG(LOG_INFO, "DISPLAY: Failed to open platform-gpu-card, trying card1"); - CORE.Window.fd = open("/dev/dri/card1", O_RDWR); // Other Embedded + platform.fd = open("/dev/dri/card1", O_RDWR); // Other Embedded } - if ((CORE.Window.fd == -1) || (drmModeGetResources(CORE.Window.fd) == NULL)) + if ((platform.fd == -1) || (drmModeGetResources(platform.fd) == NULL)) { TRACELOG(LOG_INFO, "DISPLAY: Failed to open graphic card1, trying card0"); - CORE.Window.fd = open("/dev/dri/card0", O_RDWR); // VideoCore IV (Raspberry Pi 1-3) + platform.fd = open("/dev/dri/card0", O_RDWR); // VideoCore IV (Raspberry Pi 1-3) } #endif - if (CORE.Window.fd == -1) + if (platform.fd == -1) { TRACELOG(LOG_WARNING, "DISPLAY: Failed to open graphic card"); return false; } - drmModeRes *res = drmModeGetResources(CORE.Window.fd); + drmModeRes *res = drmModeGetResources(platform.fd); if (!res) { TRACELOG(LOG_WARNING, "DISPLAY: Failed get DRM resources"); @@ -924,13 +1004,13 @@ static bool InitGraphicsDevice(int width, int height) { TRACELOG(LOG_TRACE, "DISPLAY: Connector index %i", i); - drmModeConnector *con = drmModeGetConnector(CORE.Window.fd, res->connectors[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"); - CORE.Window.connector = con; + platform.connector = con; break; } else @@ -940,14 +1020,14 @@ static bool InitGraphicsDevice(int width, int height) } } - if (!CORE.Window.connector) + if (!platform.connector) { TRACELOG(LOG_WARNING, "DISPLAY: No suitable DRM connector found"); drmModeFreeResources(res); return false; } - drmModeEncoder *enc = drmModeGetEncoder(CORE.Window.fd, CORE.Window.connector->encoder_id); + drmModeEncoder *enc = drmModeGetEncoder(platform.fd, platform.connector->encoder_id); if (!enc) { TRACELOG(LOG_WARNING, "DISPLAY: Failed to get DRM mode encoder"); @@ -955,8 +1035,8 @@ static bool InitGraphicsDevice(int width, int height) return false; } - CORE.Window.crtc = drmModeGetCrtc(CORE.Window.fd, enc->crtc_id); - if (!CORE.Window.crtc) + platform.crtc = drmModeGetCrtc(platform.fd, enc->crtc_id); + if (!platform.crtc) { TRACELOG(LOG_WARNING, "DISPLAY: Failed to get DRM mode crtc"); drmModeFreeEncoder(enc); @@ -969,9 +1049,9 @@ static bool InitGraphicsDevice(int width, int height) { TRACELOG(LOG_TRACE, "DISPLAY: Selecting DRM connector mode for current used mode..."); - CORE.Window.modeIndex = FindMatchingConnectorMode(CORE.Window.connector, &CORE.Window.crtc->mode); + platform.modeIndex = FindMatchingConnectorMode(platform.connector, &platform.crtc->mode); - if (CORE.Window.modeIndex < 0) + if (platform.modeIndex < 0) { TRACELOG(LOG_WARNING, "DISPLAY: No matching DRM connector mode found"); drmModeFreeEncoder(enc); @@ -987,19 +1067,19 @@ static bool InitGraphicsDevice(int width, int height) const int fps = (CORE.Time.target > 0)? (1.0/CORE.Time.target) : 60; // Try to find an exact matching mode - CORE.Window.modeIndex = FindExactConnectorMode(CORE.Window.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, allowInterlaced); + 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 (CORE.Window.modeIndex < 0) CORE.Window.modeIndex = FindNearestConnectorMode(CORE.Window.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, allowInterlaced); + 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 (CORE.Window.modeIndex < 0) CORE.Window.modeIndex = FindExactConnectorMode(CORE.Window.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, true); + 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 (CORE.Window.modeIndex < 0) CORE.Window.modeIndex = FindNearestConnectorMode(CORE.Window.connector, CORE.Window.screen.width, CORE.Window.screen.height, fps, true); + 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 (CORE.Window.modeIndex < 0) + if (platform.modeIndex < 0) { TRACELOG(LOG_WARNING, "DISPLAY: Failed to find a suitable DRM connector mode"); drmModeFreeEncoder(enc); @@ -1007,13 +1087,13 @@ static bool InitGraphicsDevice(int width, int height) return false; } - CORE.Window.display.width = CORE.Window.connector->modes[CORE.Window.modeIndex].hdisplay; - CORE.Window.display.height = CORE.Window.connector->modes[CORE.Window.modeIndex].vdisplay; + 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)", CORE.Window.connector->modes[CORE.Window.modeIndex].name, - CORE.Window.connector->modes[CORE.Window.modeIndex].hdisplay, CORE.Window.connector->modes[CORE.Window.modeIndex].vdisplay, - (CORE.Window.connector->modes[CORE.Window.modeIndex].flags & DRM_MODE_FLAG_INTERLACE)? 'i' : 'p', - CORE.Window.connector->modes[CORE.Window.modeIndex].vrefresh); + 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; @@ -1025,16 +1105,16 @@ static bool InitGraphicsDevice(int width, int height) drmModeFreeResources(res); res = NULL; - CORE.Window.gbmDevice = gbm_create_device(CORE.Window.fd); - if (!CORE.Window.gbmDevice) + platform.gbmDevice = gbm_create_device(platform.fd); + if (!platform.gbmDevice) { TRACELOG(LOG_WARNING, "DISPLAY: Failed to create GBM device"); return false; } - CORE.Window.gbmSurface = gbm_surface_create(CORE.Window.gbmDevice, CORE.Window.connector->modes[CORE.Window.modeIndex].hdisplay, - CORE.Window.connector->modes[CORE.Window.modeIndex].vdisplay, GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING); - if (!CORE.Window.gbmSurface) + 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 false; @@ -1073,22 +1153,22 @@ static bool InitGraphicsDevice(int width, int height) EGLint numConfigs = 0; // Get an EGL device connection - CORE.Window.device = eglGetDisplay((EGLNativeDisplayType)CORE.Window.gbmDevice); - if (CORE.Window.device == EGL_NO_DISPLAY) + platform.device = eglGetDisplay((EGLNativeDisplayType)platform.gbmDevice); + if (platform.device == EGL_NO_DISPLAY) { TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); return false; } // Initialize the EGL device connection - if (eglInitialize(CORE.Window.device, NULL, NULL) == EGL_FALSE) + 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 false; } - if (!eglChooseConfig(CORE.Window.device, NULL, NULL, 0, &numConfigs)) + if (!eglChooseConfig(platform.device, NULL, NULL, 0, &numConfigs)) { TRACELOG(LOG_WARNING, "DISPLAY: Failed to get EGL config count: 0x%x", eglGetError()); return false; @@ -1104,7 +1184,7 @@ static bool InitGraphicsDevice(int width, int height) } EGLint matchingNumConfigs = 0; - if (!eglChooseConfig(CORE.Window.device, framebufferAttribs, configs, numConfigs, &matchingNumConfigs)) + if (!eglChooseConfig(platform.device, framebufferAttribs, configs, numConfigs, &matchingNumConfigs)) { TRACELOG(LOG_WARNING, "DISPLAY: Failed to choose EGL config: 0x%x", eglGetError()); free(configs); @@ -1118,7 +1198,7 @@ static bool InitGraphicsDevice(int width, int height) for (EGLint i = 0; i < matchingNumConfigs; ++i) { EGLint id = 0; - if (!eglGetConfigAttrib(CORE.Window.device, configs[i], EGL_NATIVE_VISUAL_ID, &id)) + 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; @@ -1127,7 +1207,7 @@ static bool InitGraphicsDevice(int width, int height) if (GBM_FORMAT_ARGB8888 == id) { TRACELOG(LOG_TRACE, "DISPLAY: Using EGL config: %d", i); - CORE.Window.config = configs[i]; + platform.config = configs[i]; found = 1; break; } @@ -1145,8 +1225,8 @@ static bool InitGraphicsDevice(int width, int height) eglBindAPI(EGL_OPENGL_ES_API); // Create an EGL rendering context - CORE.Window.context = eglCreateContext(CORE.Window.device, CORE.Window.config, EGL_NO_CONTEXT, contextAttribs); - if (CORE.Window.context == EGL_NO_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 false; @@ -1154,8 +1234,8 @@ static bool InitGraphicsDevice(int width, int height) // Create an EGL window surface //--------------------------------------------------------------------------------- - CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, (EGLNativeWindowType)CORE.Window.gbmSurface, NULL); - if (EGL_NO_SURFACE == CORE.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 false; @@ -1169,9 +1249,9 @@ static bool InitGraphicsDevice(int width, int height) SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); // There must be at least one frame displayed before the buffers are swapped - //eglSwapInterval(CORE.Window.device, 1); + //eglSwapInterval(platform.device, 1); - if (eglMakeCurrent(CORE.Window.device, CORE.Window.surface, CORE.Window.surface, CORE.Window.context) == EGL_FALSE) + 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 false; @@ -1214,11 +1294,11 @@ static void InitKeyboard(void) // Reading directly from stdin will give chars already key-mapped by kernel to ASCII or UNICODE // Save terminal keyboard settings - tcgetattr(STDIN_FILENO, &CORE.Input.Keyboard.defaultSettings); + tcgetattr(STDIN_FILENO, &platform.defaultSettings); // Reconfigure terminal with new settings struct termios keyboardNewSettings = { 0 }; - keyboardNewSettings = CORE.Input.Keyboard.defaultSettings; + 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 @@ -1231,11 +1311,11 @@ static void InitKeyboard(void) tcsetattr(STDIN_FILENO, TCSANOW, &keyboardNewSettings); // Save old keyboard mode to restore it at the end - CORE.Input.Keyboard.defaultFileFlags = fcntl(STDIN_FILENO, F_GETFL, 0); // F_GETFL: Get the file access mode and the file status flags - fcntl(STDIN_FILENO, F_SETFL, CORE.Input.Keyboard.defaultFileFlags | O_NONBLOCK); // F_SETFL: Set the file status flags to the value specified + 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, &CORE.Input.Keyboard.defaultMode); + 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"); @@ -1257,11 +1337,11 @@ static void InitKeyboard(void) static void RestoreKeyboard(void) { // Reset to default keyboard settings - tcsetattr(STDIN_FILENO, TCSANOW, &CORE.Input.Keyboard.defaultSettings); + tcsetattr(STDIN_FILENO, TCSANOW, &platform.defaultSettings); // Reconfigure keyboard to default mode - fcntl(STDIN_FILENO, F_SETFL, CORE.Input.Keyboard.defaultFileFlags); - ioctl(STDIN_FILENO, KDSKBMODE, CORE.Input.Keyboard.defaultMode); + fcntl(STDIN_FILENO, F_SETFL, platform.defaultFileFlags); + ioctl(STDIN_FILENO, KDSKBMODE, platform.defaultKeyboardMode); } #if defined(SUPPORT_SSH_KEYBOARD_RPI) @@ -1389,7 +1469,7 @@ static void InitEvdevInput(void) struct dirent *entity = NULL; // Initialise keyboard file descriptor - CORE.Input.Keyboard.fd = -1; + platform.keyboardFd = -1; // Reset variables for (int i = 0; i < MAX_TOUCH_POINTS; ++i) @@ -1451,9 +1531,9 @@ static void ConfigureEvdevDevice(char *device) // Open the device and allocate worker //------------------------------------------------------------------------------------------------------- // Find a free spot in the workers array - for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + for (int i = 0; i < sizeof(platform.eventWorker)/sizeof(InputEventWorker); ++i) { - if (CORE.Input.eventWorker[i].threadId == 0) + if (platform.eventWorker[i].threadId == 0) { freeWorkerId = i; break; @@ -1463,7 +1543,7 @@ static void ConfigureEvdevDevice(char *device) // Select the free worker from array if (freeWorkerId >= 0) { - worker = &(CORE.Input.eventWorker[freeWorkerId]); // Grab a pointer to the worker + worker = &(platform.eventWorker[freeWorkerId]); // Grab a pointer to the worker memset(worker, 0, sizeof(InputEventWorker)); // Clear the worker } else @@ -1574,13 +1654,13 @@ static void ConfigureEvdevDevice(char *device) // Decide what to do with the device //------------------------------------------------------------------------------------------------------- - if (worker->isKeyboard && (CORE.Input.Keyboard.fd == -1)) + 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); - CORE.Input.Keyboard.fd = worker->fd; + platform.keyboardFd = worker->fd; } else if (worker->isTouch || worker->isMouse) { @@ -1604,21 +1684,21 @@ static void ConfigureEvdevDevice(char *device) // Find touchscreen with the highest index int maxTouchNumber = -1; - for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + for (int i = 0; i < sizeof(platform.eventWorker)/sizeof(InputEventWorker); ++i) { - if (CORE.Input.eventWorker[i].isTouch && (CORE.Input.eventWorker[i].eventNum > maxTouchNumber)) maxTouchNumber = CORE.Input.eventWorker[i].eventNum; + 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(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + for (int i = 0; i < sizeof(platform.eventWorker)/sizeof(InputEventWorker); ++i) { - if (CORE.Input.eventWorker[i].isTouch && (CORE.Input.eventWorker[i].eventNum < maxTouchNumber)) + if (platform.eventWorker[i].isTouch && (platform.eventWorker[i].eventNum < maxTouchNumber)) { - if (CORE.Input.eventWorker[i].threadId != 0) + if (platform.eventWorker[i].threadId != 0) { TRACELOG(LOG_WARNING, "RPI: Found duplicate touchscreen, killing touchscreen on event: %d", i); - pthread_cancel(CORE.Input.eventWorker[i].threadId); - close(CORE.Input.eventWorker[i].fd); + pthread_cancel(platform.eventWorker[i].threadId); + close(platform.eventWorker[i].fd); } } } @@ -1652,7 +1732,7 @@ static void PollKeyboardEvents(void) 243, 244, 245, 246, 247, 248, 0, 0, 0, 0, 0, 0, 0 }; - int fd = CORE.Input.Keyboard.fd; + int fd = platform.keyboardFd; if (fd == -1) return; struct input_event event = { 0 }; @@ -1666,7 +1746,7 @@ static void PollKeyboardEvents(void) { #if defined(SUPPORT_SSH_KEYBOARD_RPI) // Change keyboard mode to events - CORE.Input.Keyboard.evtMode = true; + platform.eventKeyboardMode = true; #endif // Keyboard button parsing if ((event.code >= 1) && (event.code <= 255)) //Keyboard keys appear for codes 1 to 255 @@ -1739,7 +1819,7 @@ static void *EventThread(void *arg) gestureUpdate = true; } - if (event.code == REL_WHEEL) CORE.Input.Mouse.eventWheelMove.y += event.value; + if (event.code == REL_WHEEL) platform.eventWheelMove.y += event.value; } // Absolute movement parsing @@ -1790,11 +1870,11 @@ static void *EventThread(void *arg) // Touchscreen tap if (event.code == ABS_PRESSURE) { - int previousMouseLeftButtonState = CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_LEFT]; + int previousMouseLeftButtonState = platform.currentButtonStateEvdev[MOUSE_BUTTON_LEFT]; if (!event.value && previousMouseLeftButtonState) { - CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = 0; + platform.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = 0; touchAction = 0; // TOUCH_ACTION_UP gestureUpdate = true; @@ -1802,7 +1882,7 @@ static void *EventThread(void *arg) if (event.value && !previousMouseLeftButtonState) { - CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = 1; + platform.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = 1; touchAction = 1; // TOUCH_ACTION_DOWN gestureUpdate = true; @@ -1817,19 +1897,19 @@ static void *EventThread(void *arg) // Mouse button parsing if ((event.code == BTN_TOUCH) || (event.code == BTN_LEFT)) { - CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = event.value; + 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) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_RIGHT] = event.value; - if (event.code == BTN_MIDDLE) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_MIDDLE] = event.value; - if (event.code == BTN_SIDE) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_SIDE] = event.value; - if (event.code == BTN_EXTRA) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_EXTRA] = event.value; - if (event.code == BTN_FORWARD) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_FORWARD] = event.value; - if (event.code == BTN_BACK) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_BUTTON_BACK] = event.value; + 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 @@ -1885,7 +1965,7 @@ static void InitGamepad(void) { sprintf(gamepadDev, "%s%i", DEFAULT_GAMEPAD_DEV, i); - if ((CORE.Input.Gamepad.streamId[i] = open(gamepadDev, O_RDONLY | O_NONBLOCK)) < 0) + 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"); @@ -1897,7 +1977,7 @@ static void InitGamepad(void) // NOTE: Only create one thread if (i == 0) { - int error = pthread_create(&CORE.Input.Gamepad.threadId, NULL, &GamepadThread, NULL); + 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"); @@ -1927,7 +2007,7 @@ static void *GamepadThread(void *arg) { for (int i = 0; i < MAX_GAMEPADS; i++) { - if (read(CORE.Input.Gamepad.streamId[i], &gamepadEvent, sizeof(struct js_event)) == (int)sizeof(struct js_event)) + if (read(platform.gamepadStreamFd[i], &gamepadEvent, sizeof(struct js_event)) == (int)sizeof(struct js_event)) { gamepadEvent.type &= ~JS_EVENT_INIT; // Ignore synthetic events @@ -1977,7 +2057,7 @@ static int FindMatchingConnectorMode(const drmModeConnector *connector, const dr 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(&CORE.Window.crtc->mode, &CORE.Window.connector->modes[i])) return i; + if (0 == BINCMP(&platform.crtc->mode, &platform.connector->modes[i])) return i; } return -1; @@ -1992,9 +2072,9 @@ static int FindExactConnectorMode(const drmModeConnector *connector, uint width, if (NULL == connector) return -1; - for (int i = 0; i < CORE.Window.connector->count_modes; i++) + for (int i = 0; i < platform.connector->count_modes; i++) { - const drmModeModeInfo *const mode = &CORE.Window.connector->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"); @@ -2015,9 +2095,9 @@ static int FindNearestConnectorMode(const drmModeConnector *connector, uint widt if (NULL == connector) return -1; int nearestIndex = -1; - for (int i = 0; i < CORE.Window.connector->count_modes; i++) + for (int i = 0; i < platform.connector->count_modes; i++) { - const drmModeModeInfo *const mode = &CORE.Window.connector->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"); @@ -2044,9 +2124,9 @@ static int FindNearestConnectorMode(const drmModeConnector *connector, uint widt const int heightDiff = abs(mode->vdisplay - height); const int fpsDiff = abs(mode->vrefresh - fps); - const int nearestWidthDiff = abs(CORE.Window.connector->modes[nearestIndex].hdisplay - width); - const int nearestHeightDiff = abs(CORE.Window.connector->modes[nearestIndex].vdisplay - height); - const int nearestFpsDiff = abs(CORE.Window.connector->modes[nearestIndex].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; |
