fix(drm): eliminate use of non-existent lv_api_map.h and enable smoke tests (#5694)

Signed-off-by: Neo Xu <neo.xu1990@gmail.com>
Co-authored-by: Neo Xu <neo.xu1990@gmail.com>

.github/workflows/ccpp.yml

@@ -95,7 +95,7 @@ jobs:
 
           install: |
             apt-get update -y
-            apt-get install build-essential ccache libgcc-10-dev python3 libpng-dev ruby-full gcovr cmake libjpeg62-turbo-dev libfreetype6-dev libasan6 pngquant python3-pip libinput-dev libxkbcommon-dev pkg-config ninja-build -q -y
+            apt-get install build-essential ccache libgcc-10-dev python3 libpng-dev ruby-full gcovr cmake libjpeg62-turbo-dev libfreetype6-dev libasan6 pngquant python3-pip libinput-dev libxkbcommon-dev libdrm-dev pkg-config ninja-build -q -y
             pip install pypng lz4
             /usr/sbin/update-ccache-symlinks
             echo 'export PATH="/usr/lib/ccache:$PATH"' | tee -a ~/.bashrc

scripts/install-prerequisites.sh

@@ -6,5 +6,5 @@
 #
 # Note: This script is run by the CI workflows.
 sudo apt update
-sudo apt install gcc python3 ninja-build libpng-dev ruby-full gcovr cmake libjpeg-turbo8-dev libfreetype6-dev pngquant libinput-dev libxkbcommon-dev pkg-config
+sudo apt install gcc python3 ninja-build libpng-dev ruby-full gcovr cmake libjpeg-turbo8-dev libfreetype6-dev pngquant libinput-dev libxkbcommon-dev libdrm-dev pkg-config
 pip3 install pypng lz4

src/drivers/display/drm/lv_linux_drm.c

@@ -9,8 +9,6 @@
 #include "lv_linux_drm.h"
 #if LV_USE_LINUX_DRM
 
-#include "../../../lv_api_map.h"
-
 #include <errno.h>
 #include <fcntl.h>
 #include <poll.h>

tests/CMakeLists.txt

@@ -259,16 +259,30 @@ find_package(Libinput OPTIONAL_COMPONENTS)
 include_directories(${LIBINPUT_INCLUDE_DIRS})
 
 if (NOT LIBINPUT_FOUND)
-message("libinput is not found, defaulting to 0")
-add_definitions(-DLV_USE_LIBINPUT=0)
+    message("libinput not found, defaulting to 0")
+    add_definitions(-DLV_USE_LIBINPUT=0)
 endif()
 
 find_package(PkgConfig)
 pkg_check_modules(xkbcommon pkg_check_modules xkbcommon)
 
 if (NOT xkbcommon_FOUND)
-message("xkbcommon is not found, defaulting to 0")
-add_definitions(-DLV_LIBINPUT_XKB=0)
+    message("xkbcommon not found, defaulting to 0")
+    add_definitions(-DLV_LIBINPUT_XKB=0)
+endif()
+
+# libdrm is required for the DRM display driver test case
+include(${CMAKE_CURRENT_LIST_DIR}/FindLibDRM.cmake)
+if(Libdrm_FOUND)
+    include_directories(${Libdrm_INCLUDE_DIRS})
+else()
+    message("libdrm not found, defaulting to 0")
+    add_definitions(-DLV_USE_LINUX_DRM=0)
+endif()
+
+# If we are running on mac, set LV_USE_LINUX_FBDEV to 0
+if(APPLE)
+    add_definitions(-DLV_USE_LINUX_FBDEV=0)
 endif()
 
 # disable test targets for build only tests
@@ -310,6 +324,7 @@ foreach( test_case_fname ${TEST_CASE_FILES} )
             lvgl_thorvg
             ${PNG_LIBRARIES}
             ${FREETYPE_LIBRARIES}
+            ${LIBDRM_LIBRARIES}
             ${LIBINPUT_LIBRARIES}
             ${JPEG_LIBRARIES}
             m

tests/FindLibDRM.cmake

@@ -0,0 +1,45 @@
+find_package(PkgConfig)
+pkg_check_modules(PKG_Libdrm pkg_check_modules libdrm)
+
+set(Libdrm_DEFINITIONS ${PKG_Libdrm_CFLAGS_OTHER})
+set(Libdrm_VERSION ${PKG_Libdrm_VERSION})
+
+find_path(Libdrm_INCLUDE_DIR
+    NAMES
+        xf86drm.h
+    HINTS
+        ${PKG_Libdrm_INCLUDE_DIRS}
+)
+find_library(Libdrm_LIBRARY
+    NAMES
+        drm
+    HINTS
+        ${PKG_Libdrm_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Libdrm
+    FOUND_VAR
+        Libdrm_FOUND
+    REQUIRED_VARS
+        Libdrm_LIBRARY
+        Libdrm_INCLUDE_DIR
+    VERSION_VAR
+        Libdrm_VERSION
+)
+
+if(Libdrm_FOUND AND NOT TARGET Libdrm::Libdrm)
+    add_library(Libdrm::Libdrm UNKNOWN IMPORTED)
+    set_target_properties(Libdrm::Libdrm PROPERTIES
+        IMPORTED_LOCATION "${Libdrm_LIBRARY}"
+        INTERFACE_COMPILE_OPTIONS "${Libdrm_DEFINITIONS}"
+        INTERFACE_INCLUDE_DIRECTORIES "${Libdrm_INCLUDE_DIR}"
+        INTERFACE_INCLUDE_DIRECTORIES "${Libdrm_INCLUDE_DIR}/libdrm"
+    )
+endif()
+
+mark_as_advanced(Libdrm_LIBRARY Libdrm_INCLUDE_DIR)
+
+set(Libdrm_LIBRARIES ${Libdrm_LIBRARY})
+set(Libdrm_INCLUDE_DIRS ${Libdrm_INCLUDE_DIR} "${Libdrm_INCLUDE_DIR}/libdrm")
+set(Libdrm_VERSION_STRING ${Libdrm_VERSION}    ${PKG_Libdrm_LIBRARY_DIRS})

tests/src/lv_test_conf_full.h

@@ -101,6 +101,14 @@
 
 #define LV_CACHE_DEF_SIZE       (10 * 1024 * 1024)
 
+#ifndef LV_USE_LINUX_DRM
+    #define LV_USE_LINUX_DRM    1
+#endif
+
+#ifndef LV_USE_LINUX_FBDEV
+    #define LV_USE_LINUX_FBDEV  1
+#endif
+
 #define LV_USE_ILI9341      1
 #define LV_USE_ST7735       1
 #define LV_USE_ST7789       1