Add DirectFb backend

CMakeLists.txt

@@ -12,6 +12,7 @@ option(USE_BACKEND_BCM_NEXUS_WAYLAND "Whether to enable support for the BCM_NEXU
 option(USE_BACKEND_BCM_RPI "Whether to enable support for the BCM_RPi WPE backend" OFF)
 option(USE_BACKEND_INTEL_CE "Whether to enable support for the Intel CE WPE backend" OFF)
 option(USE_BACKEND_WAYLAND_EGL "Whether to enable support for the wayland-egl WPE backend" OFF)
+option(USE_BACKEND_DIRECTFB "Whether to enable support for the directfb WPE backend" ON)
 option(USE_BACKEND_WESTEROS "Whether to enable support for the Westeros WPE backend" OFF)
 option(USE_BACKEND_REALTEK "Whether to enable support for Realtek's Wayland EGL WPE backend" OFF)
 option(USE_BACKEND_VIV_IMX6_EGL "Whether to enable support for NXP's IMX6 EGL WPE backend" OFF)
@@ -126,6 +127,10 @@ if (USE_BACKEND_WAYLAND_EGL)
     include(src/wayland-egl/CMakeLists.txt)
 endif ()
 
+if (USE_BACKEND_DIRECTFB)
+    include(src/directfb/CMakeLists.txt)
+endif ()
+
 if (USE_BACKEND_WESTEROS)
     include(src/westeros/CMakeLists.txt)
 endif ()

cmake/FindDirectFB.cmake

@@ -0,0 +1,54 @@
+# - Try to Find DirectFB
+# Once done, this will define
+#
+#  DIRECTFB_FOUND - system has DirectFB.
+#  DIRECTFB_INCLUDE_DIRS - the DirectFB include directories
+#  DIRECTFB_LIBRARIES - link these to use DirectFB.
+#
+# Copyright (C) 2014 Igalia S.L.
+# Copyright (C) 1994-2020 OpenTV, Inc. and Nagravision S.A.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
+# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+
+find_package(PkgConfig)
+
+pkg_check_modules(PC_DIRECTFB directfb)
+
+if (PC_DIRECTFB_FOUND)
+    set(DIRECTFB_DEFINITIONS ${PC_DIRECTFB_CFLAGS_OTHER})
+endif ()
+
+find_path(DIRECTFB_INCLUDE_DIRS NAMES directfb.h
+    HINTS ${PC_DIRECTFB_INCLUDEDIR} ${PC_DIRECTFB_INCLUDE_DIRS}
+)
+
+find_library(DIRECTFB_LIBRARIES directfb
+    HINTS ${PC_DIRECTFB_LIBDIR} ${PC_DIRECTFB_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(DIRECTFB DEFAULT_MSG DIRECTFB_INCLUDE_DIRS DIRECTFB_LIBRARIES)
+
+mark_as_advanced(DIRECTFB_INCLUDE_DIRS DIRECTFB_LIBRARIES)
+

src/directfb/CMakeLists.txt

@@ -0,0 +1,27 @@
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/src/directfb/cmake")
+
+find_package(EGL REQUIRED)
+find_package(DirectFB REQUIRED)
+
+add_definitions(-DBACKEND_DIRECTFB=1)
+
+list(APPEND WPE_PLATFORM_INCLUDE_DIRECTORIES
+        ${DIRECTFB_INCLUDE_DIRS}
+        "${CMAKE_SOURCE_DIR}/src/diretfb/"
+)
+
+list(APPEND WPE_PLATFORM_LIBRARIES
+    ${DIRECTFB_LIBRARIES}
+    ${EGL_LIBRARIES_dbpl}
+)
+
+list(APPEND WPE_PLATFORM_SOURCES
+    src/directfb/renderer-backend.cpp
+    src/directfb/view-backend.cpp
+    src/directfb/display.cpp
+)
+
+if (USE_INPUT_LIBINPUT OR USE_VIRTUAL_KEYBOARD)
+    add_definitions(-DKEY_INPUT_HANDLING_LIBINPUT=1)
+endif ()
+

src/directfb/dfb_backend_log.h

@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2018-2020 OpenTV, Inc. and Nagravision S.A.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __DFB_BACKEND_LOG_H
+#define __DFB_BACKEND_LOG_H
+
+#include <stdint.h>
+
+#define WPEB_DFB_LOG_DEFAULT_TYPE 1 /* Default fprintf with color logging */
+
+#define WPEB_DFB_ABORT(cond)  abort()
+#define WPEB_DFB_ASSERT(cond) assert((cond))
+
+#if defined (WPEB_DFB_LOG_DEFAULT_TYPE) && (WPEB_DFB_LOG_DEFAULT_TYPE == 1)
+
+#define WPEB_DFB_LOG_LEVEL    3 /* 0 Critical, 1 Error, 2 Warning, 3 Info, 4 Debug, 5 Trace */
+
+#if (WPEB_DFB_LOG_LEVEL >= 0)
+    #define WPEB_DFB_LOG_CRITICAL(msg, args...) fprintf(stderr, "\033[22;31m[WPEBACKEND_DFB] [CRITICAL] %-24s +%-4d : \033[22;0m" msg , __FILE__, __LINE__, ## args);
+#else
+    #define WPEB_DFB_LOG_CRITICAL(msg, args...) ((void)0)
+#endif
+
+#if (WPEB_DFB_LOG_LEVEL >= 1)
+    #define WPEB_DFB_LOG_ERROR(msg, args...)    fprintf(stderr, "\033[22;31m[WPEBACKEND_DFB] [ERROR] %-24s +%-4d : \033[22;0m" msg , __FILE__, __LINE__, ## args);
+#else
+    #define WPEB_DFB_LOG_ERROR(msg, args...)    ((void)0)
+#endif
+
+#if (WPEB_DFB_LOG_LEVEL >= 2)
+    #define WPEB_DFB_LOG_WARNING(msg, args...)  fprintf(stderr, "\033[22;35m[WPEBACKEND_DFB] [WARN] %-24s +%-4d : \033[22;0m" msg , __FILE__, __LINE__, ## args);
+#else
+    #define WPEB_DFB_LOG_WARNING(msg, args...)  ((void)0)
+#endif
+
+#if (WPEB_DFB_LOG_LEVEL >= 3)
+    #define WPEB_DFB_LOG_INFO(msg, args...)     fprintf(stderr, "\033[22;34m[WPEBACKEND_DFB] [INFO] %-24s +%-4d : \033[22;0m" msg , __FILE__, __LINE__, ## args);
+#else
+    #define WPEB_DFB_LOG_INFO(msg, args...)     ((void)0)
+#endif
+
+#if (WPEB_DFB_LOG_LEVEL >= 4)
+    #define WPEB_DFB_LOG_DEBUG(msg, args...)    fprintf(stderr, "\033[22;32m[WPEBACKEND_DFB] [DEBUG] %-24s +%-4d : \033[22;0m" msg , __FILE__, __LINE__, ## args);
+#else
+    #define WPEB_DFB_LOG_DEBUG(msg, args...)    ((void)0)
+#endif
+
+#if (WPEB_DFB_LOG_LEVEL >= 5)
+    #define WPEB_DFB_LOG_TRACE(msg, args...)    fprintf(stderr, "\033[22;33m[WPEBACKEND_DFB] [TRACE] %-24s +%-4d : \033[22;0m" msg , __FILE__, __LINE__, ## args);
+#else
+    #define WPEB_DFB_LOG_TRACE(msg, args...)    ((void)0)
+#endif
+
+#else /* Disable logging */
+
+#define WPEB_DFB_LOG_CRITICAL   ((void)0)
+#define WPEB_DFB_LOG_ERROR      ((void)0)
+#define WPEB_DFB_LOG_WARNING    ((void)0)
+#define WPEB_DFB_LOG_INFO       ((void)0)
+#define WPEB_DFB_LOG_DEBUG      ((void)0)
+#define WPEB_DFB_LOG_TRACE      ((void)0)
+
+#endif /* WPEB_DFB_LOG_DEFAULT_TYPE*/
+
+#endif /*__DFB_BACKEND_LOG_H*/