diff --git a/examples/Makefile b/examples/Makefile index 21482851f..6ca8b6cfe 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -96,6 +96,12 @@ ifeq ($(PLATFORM),PLATFORM_RPI) PLATFORM_OS=LINUX endif endif +ifeq ($(PLATFORM),PLATFORM_DRM) + UNAMEOS=$(shell uname) + ifeq ($(UNAMEOS),Linux) + PLATFORM_OS=LINUX + endif +endif # RAYLIB_PATH adjustment for different platforms. # If using GNU make, we can get the full path to the top of the tree. Windows? BSD? @@ -112,6 +118,9 @@ endif ifeq ($(PLATFORM),PLATFORM_RPI) RAYLIB_PATH ?= /home/pi/raylib endif +ifeq ($(PLATFORM),PLATFORM_DRM) + RAYLIB_PATH ?= /home/pi/raylib +endif ifeq ($(PLATFORM),PLATFORM_WEB) # Emscripten required variables @@ -221,6 +230,9 @@ endif ifeq ($(PLATFORM),PLATFORM_RPI) CFLAGS += -std=gnu99 endif +ifeq ($(PLATFORM),PLATFORM_DRM) + CFLAGS += -std=gnu99 -DEGL_NO_X11 +endif ifeq ($(PLATFORM),PLATFORM_WEB) # -Os # size optimization # -O2 # optimization level 2, if used, also set --memory-init-file 0 @@ -259,6 +271,10 @@ ifeq ($(PLATFORM),PLATFORM_RPI) INCLUDE_PATHS += -I/opt/vc/include/interface/vmcs_host/linux INCLUDE_PATHS += -I/opt/vc/include/interface/vcos/pthreads endif +ifeq ($(PLATFORM),PLATFORM_DRM) + # DRM required libraries + INCLUDE_PATHS += -I/usr/include/libdrm +endif ifeq ($(PLATFORM),PLATFORM_DESKTOP) ifeq ($(PLATFORM_OS),BSD) # Consider -L$(RAYLIB_H_INSTALL_PATH) @@ -299,6 +315,10 @@ ifeq ($(PLATFORM),PLATFORM_RPI) LDFLAGS += -L/opt/vc/lib endif +ifeq ($(PLATFORM),PLATFORM_DRM) + LDFLAGS += -lGLESv2 -lEGL -ldrm -lgbm +endif + # Define any libraries required on linking # if you want to link libraries (libname.so or libname.a), use the -lname ifeq ($(PLATFORM),PLATFORM_DESKTOP) @@ -351,6 +371,11 @@ ifeq ($(PLATFORM),PLATFORM_RPI) # NOTE: Required packages: libasound2-dev (ALSA) LDLIBS = -lraylib -lbrcmGLESv2 -lbrcmEGL -lpthread -lrt -lm -lbcm_host -ldl endif +ifeq ($(PLATFORM),PLATFORM_DRM) + # Libraries for DRM compiling + # NOTE: Required packages: libasound2-dev (ALSA) + LDLIBS = -lraylib -lGLESv2 -lEGL -lpthread -lrt -lm -lgbm -ldrm -ldl +endif ifeq ($(PLATFORM),PLATFORM_WEB) # Libraries for web (HTML5) compiling LDLIBS = $(RAYLIB_RELEASE_PATH)/libraylib.a @@ -522,6 +547,10 @@ ifeq ($(PLATFORM),PLATFORM_RPI) find . -type f -executable -delete rm -fv *.o endif +ifeq ($(PLATFORM),PLATFORM_DRM) + find . -type f -executable -delete + rm -fv *.o +endif ifeq ($(PLATFORM),PLATFORM_WEB) del *.o *.html *.js endif diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 4cfc80f7e..c8da0a215 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -127,6 +127,22 @@ elseif(${PLATFORM} MATCHES "Raspberry Pi") link_directories(/opt/vc/lib) set(LIBS_PRIVATE ${GLESV2} ${EGL} ${BCMHOST} pthread rt m dl) + elseif(${PLATFORM} MATCHES "DRM") + set(PLATFORM_CPP "PLATFORM_DRM") + set(GRAPHICS "GRAPHICS_API_OPENGL_ES2") + + add_definitions(-D_DEFAULT_SOURCE) + add_definitions(-DEGL_NO_X11) + add_definitions(-DPLATFORM_DRM) + + find_library(GLESV2 GLESv2) + find_library(EGL EGL) + find_library(DRM drm) + find_library(GBM gbm) + + include_directories(/usr/include/libdrm) + set(LIBS_PRIVATE ${GLESV2} ${EGL} ${DRM} ${GBM} pthread m dl) + endif() if (${OPENGL_VERSION}) @@ -164,7 +180,13 @@ if(STATIC) target_compile_definitions(raylib_static PUBLIC ${PLATFORM_CPP} + PUBLIC PLATFORM=${PLATFORM_CPP} PUBLIC ${GRAPHICS} + PUBLIC GRAPHICS=${GRAPHICS} + ) + + target_link_libraries(raylib_static + PUBLIC ${LIBS_PRIVATE} ) set(PKG_CONFIG_LIBS_PRIVATE ${__PKG_CONFIG_LIBS_PRIVATE} ${GLFW_PKG_LIBS}) diff --git a/src/CMakeOptions.txt b/src/CMakeOptions.txt index dbf27bd51..a0f864457 100644 --- a/src/CMakeOptions.txt +++ b/src/CMakeOptions.txt @@ -2,7 +2,7 @@ include(CMakeDependentOption) include(EnumOption) -enum_option(PLATFORM "Desktop;Web;Android;Raspberry Pi" "Platform to build for.") +enum_option(PLATFORM "Desktop;Web;Android;Raspberry Pi;DRM" "Platform to build for.") enum_option(OPENGL_VERSION "OFF;3.3;2.1;1.1;ES 2.0" "Force a specific OpenGL Version?") diff --git a/src/Makefile b/src/Makefile index 032f66c3d..ebdc06f19 100644 --- a/src/Makefile +++ b/src/Makefile @@ -9,6 +9,7 @@ # PLATFORM_DESKTOP: FreeBSD, OpenBSD, NetBSD, DragonFly # PLATFORM_ANDROID: Android (arm, i686, arm64, x86_64) # PLATFORM_RPI: Raspberry Pi (Raspbian) +# PLATFORM_DRM: Linux native mode, including Raspberry Pi 4 with V3D fkms driver # PLATFORM_WEB: HTML5 (Chrome, Firefox) # # Many thanks to Milan Nikolic (@gen2brain) for implementing Android platform pipeline. @@ -137,6 +138,12 @@ ifeq ($(PLATFORM),PLATFORM_RPI) PLATFORM_OS = LINUX endif endif +ifeq ($(PLATFORM),PLATFORM_DRM) + UNAMEOS = $(shell uname) + ifeq ($(UNAMEOS),Linux) + PLATFORM_OS = LINUX + endif +endif # RAYLIB_SRC_PATH adjustment for different platforms. # If using GNU make, we can get the full path to the top of the tree. Windows? BSD? @@ -204,6 +211,10 @@ ifeq ($(PLATFORM),PLATFORM_RPI) # On RPI OpenGL ES 2.0 must be used GRAPHICS = GRAPHICS_API_OPENGL_ES2 endif +ifeq ($(PLATFORM),PLATFORM_DRM) + # On DRM OpenGL ES 2.0 must be used + GRAPHICS = GRAPHICS_API_OPENGL_ES2 +endif ifeq ($(PLATFORM),PLATFORM_WEB) # On HTML5 OpenGL ES 2.0 is used, emscripten translates it to WebGL 1.0 GRAPHICS = GRAPHICS_API_OPENGL_ES2 @@ -354,6 +365,11 @@ ifeq ($(RAYLIB_LIBTYPE),SHARED) # MinGW32 just doesn't need -fPIC, it shows warnings CFLAGS += -fPIC -DBUILD_LIBTYPE_SHARED endif +ifeq ($(PLATFORM),PLATFORM_DRM) + # without EGL_NO_X11 eglplatform.h tears Xlib.h in which tears X.h in + # which contains a conflicting type Font + CFLAGS += -DEGL_NO_X11 +endif # Use Wayland display on Linux desktop ifeq ($(PLATFORM),PLATFORM_DESKTOP) @@ -390,6 +406,10 @@ ifeq ($(PLATFORM),PLATFORM_RPI) INCLUDE_PATHS += -I$(RPI_TOOLCHAIN_SYSROOT)/opt/vc/include/interface/vcos/pthreads INCLUDE_PATHS += -I$(RPI_TOOLCHAIN_SYSROOT)/opt/vc/include/interface/vcos/pthreads endif +ifeq ($(PLATFORM),PLATFORM_DRM) + # DRM required libraries + INCLUDE_PATHS += -I/usr/include/libdrm +endif ifeq ($(PLATFORM),PLATFORM_ANDROID) NATIVE_APP_GLUE = $(ANDROID_NDK)/sources/android/native_app_glue # Include android_native_app_glue.h @@ -510,6 +530,14 @@ else cd $(RAYLIB_RELEASE_PATH) && ln -fsv lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_VERSION) lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_API_VERSION) cd $(RAYLIB_RELEASE_PATH) && ln -fsv lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_API_VERSION) lib$(RAYLIB_LIB_NAME).so endif + ifeq ($(PLATFORM),PLATFORM_DRM) + # Compile raylib shared library version $(RAYLIB_VERSION). + # WARNING: you should type "make clean" before doing this target + $(CC) -shared -o $(RAYLIB_RELEASE_PATH)/lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_VERSION) $(OBJS) $(LDFLAGS) -Wl,-soname,lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_API_VERSION) -lGLESv2 -lEGL -ldrm -lgbm -lpthread -lrt -lm -ldl + @echo "raylib shared library generated (lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_VERSION)) in $(RAYLIB_RELEASE_PATH)!" + cd $(RAYLIB_RELEASE_PATH) && ln -fsv lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_VERSION) lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_API_VERSION) + cd $(RAYLIB_RELEASE_PATH) && ln -fsv lib$(RAYLIB_LIB_NAME).so.$(RAYLIB_API_VERSION) lib$(RAYLIB_LIB_NAME).so + endif ifeq ($(PLATFORM),PLATFORM_ANDROID) $(CC) -shared -o $(RAYLIB_RELEASE_PATH)/lib$(RAYLIB_LIB_NAME).$(RAYLIB_VERSION).so $(OBJS) $(LDFLAGS) $(LDLIBS) @echo "raylib shared library generated (lib$(RAYLIB_LIB_NAME).$(RAYLIB_VERSION).so)!" diff --git a/src/config.h b/src/config.h index d9d5b5d7d..c6725e848 100644 --- a/src/config.h +++ b/src/config.h @@ -44,8 +44,8 @@ #define SUPPORT_MOUSE_GESTURES 1 // Reconfigure standard input to receive key inputs, works with SSH connection. #define SUPPORT_SSH_KEYBOARD_RPI 1 -// Draw a mouse reference on screen (square cursor box) -#define SUPPORT_MOUSE_CURSOR_RPI 1 +// Draw a mouse pointer on screen +#define SUPPORT_MOUSE_CURSOR_NATIVE 1 // Use busy wait loop for timing sync, if not defined, a high-resolution timer is setup and used //#define SUPPORT_BUSY_WAIT_LOOP 1 // Use a half-busy wait loop, in this case frame sleeps for some time and runs a busy-wait-loop at the end diff --git a/src/core.c b/src/core.c index 72223398e..f08124f5a 100644 --- a/src/core.c +++ b/src/core.c @@ -9,6 +9,7 @@ * - PLATFORM_DESKTOP: OSX/macOS * - PLATFORM_ANDROID: Android 4.0 (ARM, ARM64) * - PLATFORM_RPI: Raspberry Pi 0,1,2,3,4 (Raspbian) +* - PLATFORM_DRM: Linux native mode, including Raspberry Pi 4 with V3D fkms driver * - PLATFORM_WEB: HTML5 with asm.js (Chrome, Firefox) * - PLATFORM_UWP: Windows 10 App, Windows Phone, Xbox One * @@ -55,8 +56,8 @@ * WARNING: Reconfiguring standard input could lead to undesired effects, like breaking other running processes or * blocking the device is not restored properly. Use with care. * -* #define SUPPORT_MOUSE_CURSOR_RPI (Raspberry Pi only) -* Draw a mouse reference on screen (square cursor box) +* #define SUPPORT_MOUSE_CURSOR_NATIVE (Raspberry Pi and DRM only) +* Draw a mouse pointer on screen * * #define SUPPORT_BUSY_WAIT_LOOP * Use busy wait loop for timing sync, if not defined, a high-resolution timer is setup and used @@ -222,7 +223,7 @@ #include // OpenGL ES 2.0 library #endif -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) #include // POSIX file control definitions - open(), creat(), fcntl() #include // POSIX standard function definitions - read(), close(), STDIN_FILENO #include // POSIX terminal control definitions - tcgetattr(), tcsetattr() @@ -234,7 +235,15 @@ #include // Linux: Keycodes constants definition (KEY_A, ...) #include // Linux: Joystick support library +#if defined(PLATFORM_RPI) #include "bcm_host.h" // Raspberry Pi VideoCore IV access functions +#endif + +#if defined(PLATFORM_DRM) + #include // Generic Buffer Management + #include // Direct Rendering Manager user-level library interface + #include // Direct Rendering Manager modesetting interface +#endif #include "EGL/egl.h" // EGL library - Native platform display device control functions #include "EGL/eglext.h" // EGL library - Extensions @@ -266,7 +275,7 @@ //---------------------------------------------------------------------------------- // Defines and Macros //---------------------------------------------------------------------------------- -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) #define USE_LAST_TOUCH_DEVICE // When multiple touchscreens are connected, only use the one with the highest event number #define DEFAULT_GAMEPAD_DEV "/dev/input/js" // Gamepad input (base dev for all gamepads: js0, js1, ...) @@ -306,7 +315,7 @@ //---------------------------------------------------------------------------------- // Types and Structures Definition //---------------------------------------------------------------------------------- -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) typedef struct { pthread_t threadId; // Event reading thread id int fd; // File descriptor to the device it is assigned to @@ -337,10 +346,19 @@ typedef struct CoreData { GLFWwindow *handle; // Native window handle (graphic device) #endif #if defined(PLATFORM_RPI) - // NOTE: RPI4 does not support Dispmanx anymore, system should be redesigned EGL_DISPMANX_WINDOW_T handle; // Native window handle (graphic device) #endif -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) || defined(PLATFORM_UWP) +#if defined(PLATFORM_DRM) + int fd; // /dev/dri/... file descriptor + drmModeConnector *connector; // Direct Rendering Manager (DRM) mode connector + int modeIndex; // index of the used mode of connector->modes + drmModeCrtc *crtc; // crt controller + struct gbm_device *gbmDevice; // device of Generic Buffer Management (GBM, native platform for EGL on DRM) + struct gbm_surface *gbmSurface; // surface of GBM + struct gbm_bo *prevBO; // previous used GBM buffer object (during frame swapping) + uint32_t prevFB; // previous used GBM framebufer (during frame swapping) +#endif 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 @@ -384,7 +402,7 @@ typedef struct CoreData { } UWP; #endif struct { -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) InputEventWorker eventWorker[10]; // List of worker threads for every monitored "/dev/input/event" #endif struct { @@ -394,7 +412,7 @@ typedef struct CoreData { int keyPressedQueue[MAX_KEY_PRESSED_QUEUE]; // Input characters queue int keyPressedQueueCount; // Input characters queue count -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) int defaultMode; // Default keyboard mode struct termios defaultSettings; // Default keyboard settings KeyEventFifo lastKeyPressed; // Buffer for holding keydown events as they arrive (Needed due to multitreading of event workers) @@ -412,7 +430,7 @@ typedef struct CoreData { char previousButtonState[3]; // Registers previous mouse button state int currentWheelMove; // Registers current mouse wheel variation int previousWheelMove; // Registers previous mouse wheel variation -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) char currentButtonStateEvdev[3]; // Holds the new mouse state for the next polling event to grab (Can't be written directly due to multithreading, app could miss the update) #endif } Mouse; @@ -424,13 +442,13 @@ typedef struct CoreData { struct { int lastButtonPressed; // Register last gamepad button pressed int axisCount; // Register number of available gamepad axis -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) bool ready[MAX_GAMEPADS]; // Flag to know if gamepad is ready float axisState[MAX_GAMEPADS][MAX_GAMEPAD_AXIS]; // Gamepad axis state char currentState[MAX_GAMEPADS][MAX_GAMEPAD_BUTTONS]; // Current gamepad buttons state char previousState[MAX_GAMEPADS][MAX_GAMEPAD_BUTTONS]; // Previous gamepad buttons state #endif -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) pthread_t threadId; // Gamepad reading thread id int streamId[MAX_GAMEPADS]; // Gamepad device file descriptor char name[64]; // Gamepad name holder @@ -444,7 +462,7 @@ typedef struct CoreData { double draw; // Time measure for frame draw double frame; // Time measure for one frame double target; // Desired time for one frame, if 0 not applied -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) || defined(PLATFORM_UWP) unsigned long long base; // Base time measure for hi-res timer #endif } Time; @@ -519,7 +537,7 @@ static EM_BOOL EmscriptenTouchCallback(int eventType, const EmscriptenTouchEvent static EM_BOOL EmscriptenGamepadCallback(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData); #endif -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) #if defined(SUPPORT_SSH_KEYBOARD_RPI) static void InitKeyboard(void); // Init raw keyboard system (standard input reading) static void ProcessKeyboard(void); // Process keyboard events @@ -535,7 +553,14 @@ static void *EventThread(void *arg); // Input device events r static void InitGamepad(void); // Init raw gamepad input static void *GamepadThread(void *arg); // Mouse reading thread -#endif // PLATFORM_RPI + +#if defined(PLATFORM_DRM) +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 +#endif + +#endif // PLATFORM_RPI || PLATFORM_DRM #if defined(_WIN32) // NOTE: We include Sleep() function signature here to avoid windows.h inclusion @@ -566,7 +591,7 @@ struct android_app *GetAndroidApp(void) return CORE.Android.app; } #endif -#if defined(PLATFORM_RPI) && !defined(SUPPORT_SSH_KEYBOARD_RPI) +#if (defined(PLATFORM_RPI) || defined(PLATFORM_DRM)) && !defined(SUPPORT_SSH_KEYBOARD_RPI) // Init terminal (block echo and signal short cuts) static void InitTerminal(void) { @@ -717,7 +742,7 @@ void InitWindow(int width, int height, const char *title) SetTextureFilter(GetFontDefault().texture, FILTER_BILINEAR); #endif -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) // Init raw input system InitEvdevInput(); // Evdev inputs initialization InitGamepad(); // Gamepad init @@ -781,12 +806,59 @@ void CloseWindow(void) timeEndPeriod(1); // Restore time period #endif -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) || defined(PLATFORM_UWP) +#if defined(PLATFORM_DRM) + if (CORE.Window.prevFB) + { + drmModeRmFB(CORE.Window.fd, CORE.Window.prevFB); + CORE.Window.prevFB = 0; + } + + if (CORE.Window.prevBO) + { + gbm_surface_release_buffer(CORE.Window.gbmSurface, CORE.Window.prevBO); + CORE.Window.prevBO = NULL; + } + + if (CORE.Window.gbmSurface) + { + gbm_surface_destroy(CORE.Window.gbmSurface); + CORE.Window.gbmSurface = NULL; + } + + if (CORE.Window.gbmDevice) + { + gbm_device_destroy(CORE.Window.gbmDevice); + CORE.Window.gbmDevice = NULL; + } + + if(CORE.Window.crtc) + { + if (CORE.Window.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; + } + + drmModeFreeCrtc(CORE.Window.crtc); + CORE.Window.crtc = NULL; + } + + if (CORE.Window.fd != -1) + { + close(CORE.Window.fd); + CORE.Window.fd = -1; + } +#endif + // Close surface, context and display if (CORE.Window.device != EGL_NO_DISPLAY) { +#if !defined(PLATFORM_DRM) eglMakeCurrent(CORE.Window.device, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); - +#endif if (CORE.Window.surface != EGL_NO_SURFACE) { eglDestroySurface(CORE.Window.device, CORE.Window.surface); @@ -804,7 +876,7 @@ void CloseWindow(void) } #endif -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) // 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 @@ -860,7 +932,7 @@ bool WindowShouldClose(void) else return true; #endif -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) || defined(PLATFORM_UWP) if (CORE.Window.ready) return CORE.Window.shouldClose; else return true; #endif @@ -982,7 +1054,7 @@ void ToggleFullscreen(void) } */ #endif -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) TRACELOG(LOG_WARNING, "SYSTEM: Failed to toggle to windowed mode"); #endif @@ -1251,6 +1323,12 @@ int GetMonitorRefreshRate(int monitor) return vidmode->refreshRate; } else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif +#if defined(PLATFORM_DRM) + if ((CORE.Window.connector) && (CORE.Window.modeIndex >= 0)) + { + return CORE.Window.connector->modes[CORE.Window.modeIndex].vrefresh; + } #endif return 0; } @@ -1400,10 +1478,13 @@ void BeginDrawing(void) // End canvas drawing and swap buffers (double buffering) void EndDrawing(void) { -#if defined(PLATFORM_RPI) && defined(SUPPORT_MOUSE_CURSOR_RPI) - // On RPI native mode we have no system mouse cursor, so, +#if (defined(PLATFORM_RPI) || defined(PLATFORM_DRM)) && defined(SUPPORT_MOUSE_CURSOR_NATIVE) + // On native mode we have no system mouse cursor, so, // we draw a small rectangle for user reference - DrawRectangle(CORE.Input.Mouse.position.x, CORE.Input.Mouse.position.y, 3, 3, MAROON); + if (!CORE.Input.Mouse.cursorHidden) + { + DrawRectangle(CORE.Input.Mouse.position.x, CORE.Input.Mouse.position.y, 3, 3, MAROON); + } #endif rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) @@ -1806,7 +1887,7 @@ double GetTime(void) return glfwGetTime(); // Elapsed time since glfwInit() #endif -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) struct timespec ts; clock_gettime(CLOCK_MONOTONIC, &ts); unsigned long long int time = (unsigned long long int)ts.tv_sec*1000000000LLU + (unsigned long long int)ts.tv_nsec; @@ -2439,7 +2520,7 @@ const char *GetGamepadName(int gamepad) #if defined(PLATFORM_DESKTOP) if (CORE.Input.Gamepad.ready[gamepad]) return glfwGetJoystickName(gamepad); else return NULL; -#elif defined(PLATFORM_RPI) +#elif defined(PLATFORM_RPI) || defined(PLATFORM_DRM) if (CORE.Input.Gamepad.ready[gamepad]) ioctl(CORE.Input.Gamepad.streamId[gamepad], JSIOCGNAME(64), &CORE.Input.Gamepad.name); return CORE.Input.Gamepad.name; @@ -2451,7 +2532,7 @@ const char *GetGamepadName(int gamepad) // Return gamepad axis count int GetGamepadAxisCount(int gamepad) { -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) int axisCount = 0; if (CORE.Input.Gamepad.ready[gamepad]) ioctl(CORE.Input.Gamepad.streamId[gamepad], JSIOCGAXES, &axisCount); CORE.Input.Gamepad.axisCount = axisCount; @@ -2657,7 +2738,7 @@ int GetTouchX(void) { #if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) return (int)CORE.Input.Touch.position[0].x; -#else // PLATFORM_DESKTOP, PLATFORM_RPI +#else // PLATFORM_DESKTOP, PLATFORM_RPI, PLATFORM_DRM return GetMouseX(); #endif } @@ -2667,7 +2748,7 @@ int GetTouchY(void) { #if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) return (int)CORE.Input.Touch.position[0].y; -#else // PLATFORM_DESKTOP, PLATFORM_RPI +#else // PLATFORM_DESKTOP, PLATFORM_RPI, PLATFORM_DRM return GetMouseY(); #endif } @@ -2678,7 +2759,7 @@ Vector2 GetTouchPosition(int index) { Vector2 position = { -1.0f, -1.0f }; -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) || defined(PLATFORM_UWP) if (index < MAX_TOUCH_POINTS) position = CORE.Input.Touch.position[index]; else TRACELOG(LOG_WARNING, "INPUT: Required touch point out of range (Max touch points: %i)", MAX_TOUCH_POINTS); @@ -2956,7 +3037,7 @@ static bool InitGraphicsDevice(int width, int height) } #endif // PLATFORM_DESKTOP || PLATFORM_WEB -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) || defined(PLATFORM_UWP) CORE.Window.fullscreen = true; #if defined(PLATFORM_RPI) @@ -2970,6 +3051,157 @@ static bool InitGraphicsDevice(int width, int height) VC_RECT_T srcRect; #endif +#if defined(PLATFORM_DRM) + 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; + +#if defined(DEFAULT_GRAPHIC_DEVICE_DRM) + CORE.Window.fd = open(DEFAULT_GRAPHIC_DEVICE_DRM, O_RDWR); +#else + TRACELOG(LOG_INFO, "DISPLAY: no graphic card set, trying card1"); + CORE.Window.fd = open("/dev/dri/card1", O_RDWR); // VideoCore VI (Raspberry Pi 4) + if (-1 == CORE.Window.fd) + { + 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) + } +#endif + if (-1 == CORE.Window.fd) + { + TRACELOG(LOG_WARNING, "DISPLAY: failed to open graphic card"); + return false; + } + + drmModeRes *res = drmModeGetResources(CORE.Window.fd); + if (!res) + { + TRACELOG(LOG_WARNING, "DISPLAY: failed get DRM resources"); + return false; + } + + TRACELOG(LOG_TRACE, "DISPLAY: %i connectors found", res->count_connectors); + for (size_t i = 0; i < res->count_connectors; i++) + { + TRACELOG(LOG_TRACE, "DISPLAY: connector index %i", i); + drmModeConnector *con = drmModeGetConnector(CORE.Window.fd, res->connectors[i]); + TRACELOG(LOG_TRACE, "DISPLAY: there are %i connector modes", con->count_modes); + if ((con->connection == DRM_MODE_CONNECTED) && (con->encoder_id)) + { + TRACELOG(LOG_TRACE, "DRM mode connected"); + CORE.Window.connector = con; + break; + } + else + { + TRACELOG(LOG_TRACE, "DRM mode NOT connected (deleting)"); + drmModeFreeConnector(con); + } + } + if (!CORE.Window.connector) + { + TRACELOG(LOG_WARNING, "no suitable DRM connector found"); + drmModeFreeResources(res); + return false; + } + + drmModeEncoder *enc = drmModeGetEncoder(CORE.Window.fd, CORE.Window.connector->encoder_id); + if (!enc) + { + TRACELOG(LOG_WARNING, "failed to get DRM mode encoder"); + drmModeFreeResources(res); + return false; + } + + CORE.Window.crtc = drmModeGetCrtc(CORE.Window.fd, enc->crtc_id); + if (!CORE.Window.crtc) + { + TRACELOG(LOG_WARNING, "failed to get DRM mode crtc"); + drmModeFreeEncoder(enc); + drmModeFreeResources(res); + return false; + } + + // 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, "selecting DRM connector mode for current used mode"); + + CORE.Window.modeIndex = FindMatchingConnectorMode(CORE.Window.connector, &CORE.Window.crtc->mode); + + if (CORE.Window.modeIndex < 0) + { + TRACELOG(LOG_WARNING, "no matching DRM connector mode found"); + drmModeFreeEncoder(enc); + drmModeFreeResources(res); + return false; + } + + 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 + CORE.Window.modeIndex = FindExactConnectorMode(CORE.Window.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 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 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 nothing found, there is no suitable mode + if (CORE.Window.modeIndex < 0) + { + TRACELOG(LOG_WARNING, "no suitable DRM connector mode found"); + drmModeFreeEncoder(enc); + drmModeFreeResources(res); + 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; + + TRACELOG(LOG_INFO, "DRM: choosen 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); + + // 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; + + CORE.Window.gbmDevice = gbm_create_device(CORE.Window.fd); + if (!CORE.Window.gbmDevice) + { + TRACELOG(LOG_WARNING, "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) + { + TRACELOG(LOG_WARNING, "failed to create GBM surface"); + return false; + } +#endif + EGLint samples = 0; EGLint sampleBuffer = 0; if (CORE.Window.flags & FLAG_MSAA_4X_HINT) @@ -2982,11 +3214,15 @@ static bool InitGraphicsDevice(int width, int height) const EGLint framebufferAttribs[] = { EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, // Type of context support -> Required on RPI? - //EGL_SURFACE_TYPE, EGL_WINDOW_BIT, // Don't use it on Android! +#if defined(PLATFORM_DRM) + EGL_SURFACE_TYPE, EGL_WINDOW_BIT, // Don't use it on Android! +#endif 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) +#if defined(PLATFORM_DRM) + EGL_ALPHA_SIZE, 8, // ALPHA bit depth (required for transparent framebuffer) +#endif //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 @@ -3170,11 +3406,15 @@ static bool InitGraphicsDevice(int width, int height) #endif // PLATFORM_UWP -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) EGLint numConfigs = 0; // Get an EGL device connection +#if defined(PLATFORM_DRM) + CORE.Window.device = eglGetDisplay((EGLNativeDisplayType)CORE.Window.gbmDevice); +#else CORE.Window.device = eglGetDisplay(EGL_DEFAULT_DISPLAY); +#endif if (CORE.Window.device == EGL_NO_DISPLAY) { TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); @@ -3189,8 +3429,64 @@ static bool InitGraphicsDevice(int width, int height) return false; } +#if defined(PLATFORM_DRM) + if (!eglGetConfigs(CORE.Window.device, NULL, 0, &numConfigs)) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to get EGL config count: 0x%x", eglGetError()); + return false; + } + + TRACELOG(LOG_TRACE, "DISPLAY: %d EGL configs available", numConfigs); + + EGLConfig *configs = calloc(numConfigs, sizeof(*configs)); + if (!configs) { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to get memory for EGL configs"); + return false; + } + + EGLint matchingNumConfigs = 0; + if (!eglGetConfigs(CORE.Window.device, configs, numConfigs, &matchingNumConfigs)) { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to get EGL configs: 0x%x", eglGetError()); + free(configs); + return false; + } + + TRACELOG(LOG_TRACE, "DISPLAY: %d matching EGL configs available", matchingNumConfigs); + + if (!eglChooseConfig(CORE.Window.device, framebufferAttribs, configs, numConfigs, &matchingNumConfigs)) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to choose EGL config: 0x%x", eglGetError()); + free(configs); + return false; + } + + // 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(CORE.Window.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); + CORE.Window.config = configs[i]; + found = 1; + break; + } + } + + free(configs); + + if (!found) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to find a suitable EGL config"); + return false; + } +#else // Get an appropriate EGL framebuffer configuration eglChooseConfig(CORE.Window.device, framebufferAttribs, &CORE.Window.config, 1, &numConfigs); +#endif // Set rendering API eglBindAPI(EGL_OPENGL_ES_API); @@ -3271,9 +3567,32 @@ static bool InitGraphicsDevice(int width, int height) vc_dispmanx_update_submit_sync(dispmanUpdate); CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, &CORE.Window.handle, NULL); + + const unsigned char *const renderer = glGetString(GL_RENDERER); + if (renderer) { + TRACELOG(LOG_INFO, "Renderer is: %s\n", renderer); + } else { + TRACELOG(LOG_WARNING, "failed to get renderer\n"); + } //--------------------------------------------------------------------------------- #endif // PLATFORM_RPI +#if defined(PLATFORM_DRM) + CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, (EGLNativeWindowType)CORE.Window.gbmSurface, NULL); + if (EGL_NO_SURFACE == CORE.Window.surface) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL window surface: 0x%04x", eglGetError()); + return false; + } + + // 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); +#endif // PLATFORM_DRM + // There must be at least one frame displayed before the buffers are swapped //eglSwapInterval(CORE.Window.device, 1); @@ -3290,7 +3609,7 @@ static bool InitGraphicsDevice(int width, int height) TRACELOG(LOG_INFO, " > Screen size: %i x %i", CORE.Window.screen.width, CORE.Window.screen.height); TRACELOG(LOG_INFO, " > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y); } -#endif // PLATFORM_ANDROID || PLATFORM_RPI || defined(PLATFORM_UWP) +#endif // PLATFORM_ANDROID || PLATFORM_RPI || PLATFORM_DRM || PLATFORM_UWP // Initialize OpenGL context (states and resources) // NOTE: CORE.Window.screen.width and CORE.Window.screen.height not used, just stored as globals in rlgl @@ -3426,7 +3745,7 @@ static void InitTimer(void) timeBeginPeriod(1); // Setup high-resolution timer to 1ms (granularity of 1-2 ms) #endif -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) struct timespec now; if (clock_gettime(CLOCK_MONOTONIC, &now) == 0) // Success @@ -3556,13 +3875,13 @@ static void PollInputEvents(void) // Reset key pressed registered CORE.Input.Keyboard.keyPressedQueueCount = 0; -#if !defined(PLATFORM_RPI) +#if !(defined(PLATFORM_RPI) || defined(PLATFORM_DRM)) // Reset last gamepad button/axis registered state CORE.Input.Gamepad.lastButtonPressed = -1; CORE.Input.Gamepad.axisCount = 0; #endif -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) // Register previous keys states for (int i = 0; i < 512; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; @@ -3751,7 +4070,7 @@ static void PollInputEvents(void) } #endif -#if defined(PLATFORM_RPI) && defined(SUPPORT_SSH_KEYBOARD_RPI) +#if (defined(PLATFORM_RPI) || defined(PLATFORM_DRM)) && defined(SUPPORT_SSH_KEYBOARD_RPI) // NOTE: Keyboard reading could be done using input_event(s) reading or just read from stdin, // we now use both methods inside here. 2nd method is still used for legacy purposes (Allows for input trough SSH console) ProcessKeyboard(); @@ -3768,9 +4087,58 @@ static void SwapBuffers(void) glfwSwapBuffers(CORE.Window.handle); #endif -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) || defined(PLATFORM_UWP) eglSwapBuffers(CORE.Window.device, CORE.Window.surface); -#endif + +#if defined(PLATFORM_DRM) + if (!CORE.Window.gbmSurface || (-1 == CORE.Window.fd) || !CORE.Window.connector || !CORE.Window.crtc) + { + TRACELOG(LOG_ERROR, "DRM initialization failed, can't swap"); + abort(); + } + + struct gbm_bo *bo = gbm_surface_lock_front_buffer(CORE.Window.gbmSurface); + if (!bo) + { + TRACELOG(LOG_ERROR, "GBM failed to lock front buffer"); + abort(); + } + + 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); + if (0 != result) + { + TRACELOG(LOG_ERROR, "drmModeAddFB failed with %d", result); + abort(); + } + + 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]); + if (0 != result) + { + TRACELOG(LOG_ERROR, "drmModeSetCrtc failed with %d", result); + abort(); + } + + if (CORE.Window.prevFB) + { + result = drmModeRmFB(CORE.Window.fd, CORE.Window.prevFB); + if (0 != result) + { + TRACELOG(LOG_ERROR, "drmModeRmFB failed with %d", result); + abort(); + } + } + CORE.Window.prevFB = fb; + + if (CORE.Window.prevBO) + { + gbm_surface_release_buffer(CORE.Window.gbmSurface, CORE.Window.prevBO); + } + CORE.Window.prevBO = bo; +#endif // defined(PLATFORM_DRM) +#endif // defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM) || defined(PLATFORM_UWP) } #if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) @@ -4396,7 +4764,7 @@ static EM_BOOL EmscriptenWindowResizedCallback(int eventType, const void *reserv } #endif -#if defined(PLATFORM_RPI) +#if defined(PLATFORM_RPI) || defined(PLATFORM_DRM) #if defined(SUPPORT_SSH_KEYBOARD_RPI) // Initialize Keyboard system (using standard input) @@ -5098,7 +5466,7 @@ static void *GamepadThread(void *arg) return NULL; } -#endif // PLATFORM_RPI +#endif // PLATFORM_RPI || PLATFORM_DRM #if defined(PLATFORM_UWP) // UWP function pointers @@ -5373,3 +5741,118 @@ void UWPGestureTouch(int pointer, float x, float y, bool touch) } #endif // PLATFORM_UWP + +#if defined(PLATFORM_DRM) + +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, "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])) + { + TRACELOG(LOG_TRACE, "above mode selected"); + return i; + } + } + + return -1; + + #undef BINCMP +} + +static int FindExactConnectorMode(const drmModeConnector *connector, uint width, uint height, uint fps, bool allowInterlaced) { + TRACELOG(LOG_TRACE, "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 < CORE.Window.connector->count_modes; i++) + { + const drmModeModeInfo *const mode = &CORE.Window.connector->modes[i]; + + TRACELOG(LOG_TRACE, "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)) + { + TRACELOG(LOG_TRACE, "but shouldn't choose an interlaced mode"); + continue; + } + + if ((mode->hdisplay == width) && (mode->vdisplay == height) && (mode->vrefresh == fps)) + { + TRACELOG(LOG_TRACE, "mode selected"); + return i; + } + } + + TRACELOG(LOG_TRACE, "no exact matching mode found"); + return -1; +} + +static int FindNearestConnectorMode(const drmModeConnector *connector, uint width, uint height, uint fps, bool allowInterlaced) { + TRACELOG(LOG_TRACE, "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 < CORE.Window.connector->count_modes; i++) + { + const drmModeModeInfo *const mode = &CORE.Window.connector->modes[i]; + + TRACELOG(LOG_TRACE, "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) | (mode->vrefresh < fps)) + { + TRACELOG(LOG_TRACE, "mode is too small"); + continue; + } + + if ((mode->flags & DRM_MODE_FLAG_INTERLACE) && (!allowInterlaced)) + { + TRACELOG(LOG_TRACE, "shouldn't choose an interlaced mode"); + continue; + } + + if ((mode->hdisplay >= width) && (mode->vdisplay >= height) && (mode->vrefresh >= fps)) + { + const int widthDiff = mode->hdisplay - width; + const int heightDiff = mode->vdisplay - height; + const int fpsDiff = mode->vrefresh - fps; + + if (nearestIndex < 0) + { + TRACELOG(LOG_TRACE, "first suitable mode"); + nearestIndex = i; + continue; + } + + const int nearestWidthDiff = CORE.Window.connector->modes[nearestIndex].hdisplay - width; + const int nearestHeightDiff = CORE.Window.connector->modes[nearestIndex].vdisplay - height; + const int nearestFpsDiff = CORE.Window.connector->modes[nearestIndex].vrefresh - fps; + + if ((widthDiff < nearestWidthDiff) || (heightDiff < nearestHeightDiff) || (fpsDiff < nearestFpsDiff)) + { + TRACELOG(LOG_TRACE, "mode is nearer than the previous one"); + nearestIndex = i; + } + else + { + TRACELOG(LOG_TRACE, "mode is not nearer"); + } + } + } + + TRACELOG(LOG_TRACE, "returning nearest mode: %d", nearestIndex); + return nearestIndex; +} + +#endif diff --git a/src/raylib.h b/src/raylib.h index 72e24cb73..499650c65 100644 --- a/src/raylib.h +++ b/src/raylib.h @@ -472,7 +472,8 @@ typedef enum { FLAG_WINDOW_HIDDEN = 128, // Set to create the window initially hidden FLAG_WINDOW_ALWAYS_RUN = 256, // Set to allow windows running while minimized FLAG_MSAA_4X_HINT = 32, // Set to try enabling MSAA 4X - FLAG_VSYNC_HINT = 64 // Set to try enabling V-Sync on GPU + FLAG_VSYNC_HINT = 64, // Set to try enabling V-Sync on GPU + FLAG_INTERLACED_HINT = 512 // Set to try V3D to choose an interlaced video format } ConfigFlag; // Trace log type