1 files changed, 45 insertions, 5 deletions

diff --git a/meta-oe/recipes-graphics/lvgl/lvgl-demo-fb_8.3.0.bb b/meta-oe/recipes-graphics/lvgl/lvgl-demo-fb_8.3.0.bb
index 1dfb199ff..33e7c94e6 100644
--- a/meta-oe/recipes-graphics/lvgl/lvgl-demo-fb_8.3.0.bb
+++ b/meta-oe/recipes-graphics/lvgl/lvgl-demo-fb_8.3.0.bb
@@ -8,14 +8,54 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=802d3d83ae80ef5f343050bf96cce3a4 \
 SRC_URI = "gitsm://github.com/lvgl/lv_port_linux_frame_buffer.git;branch=master;protocol=https"
 SRCREV = "adf2c4490e17a1b9ec1902cc412a24b3b8235c8e"
 
+EXTRA_OEMAKE = "DESTDIR=${D}"
+
+PACKAGECONFIG ??= "drm"
+PACKAGECONFIG[drm] = ",,libdrm"
+PACKAGECONFIG[fbdev] = ",,"
+PACKAGECONFIG[sdl] = ",,virtual/libsdl2"
+LVGL_CONFIG_USE_DRM = "${@bb.utils.contains('PACKAGECONFIG', 'drm', '1', '0', d)}"
+LVGL_CONFIG_DRM_CARD ?= "/dev/dri/card0"
+LVGL_CONFIG_USE_FBDEV = "${@bb.utils.contains('PACKAGECONFIG', 'fbdev', '1', '0', d)}"
+LVGL_CONFIG_USE_SDL = "${@bb.utils.contains('PACKAGECONFIG', 'sdl', '1', '0', d)}"
+
+inherit cmake
+
 S = "${WORKDIR}/git"
 
-REQUIRED_DISTRO_FEATURES = "fbdev"
+EXTRA_OECMAKE += "-Dinstall:BOOL=ON -DLIB_INSTALL_DIR=${baselib}"
+TARGET_CFLAGS += "-I${STAGING_INCDIR}/libdrm"
 
-inherit features_check
+do_configure:prepend() {
+        sed -i -e "s|\(^#  define USE_FBDEV \).*|#  define USE_FBDEV ${LVGL_CONFIG_USE_FBDEV}|g" \
+                -e "s|\(^#  define USE_DRM \).*|#  define USE_DRM ${LVGL_CONFIG_USE_DRM}|g" \
+                -e "s|\(^#  define DRM_CARD \).*|#  define DRM_CARD \"${LVGL_CONFIG_DRM_CARD}\"|g" \
+                -e "s|\(^# define USE_SDL \).*|#  define USE_SDL ${LVGL_CONFIG_USE_SDL}|g" \
+                -e "s|\(^#  define USE_SDL_GPU \).*|#  define USE_SDL_GPU 1|g" \
+                -e "s|\(^#  define SDL_DOUBLE_BUFFERED \).*|#  define SDL_DOUBLE_BUFFERED 1|g" \
+        "${S}/lv_drv_conf.h"
 
-EXTRA_OEMAKE = "DESTDIR=${D}"
+        if [ "${LVGL_CONFIG_USE_DRM}" -eq 1 ] ; then
+                # Add libdrm build dependency
+                sed -i '/^target_link_libraries/ s@lvgl::drivers@& drm@' "${S}/CMakeLists.txt"
+                # Switch from fbdev to drm usage
+                sed -i 's@fbdev@drm@g' "${S}/main.c"
+                # Pull resolution from DRM instead of hardcoding it
+                sed -i '/disp_drv.hor_res/ d' "${S}/main.c"
+                sed -i '/disp_drv.ver_res/ s@disp_drv.ver_res.*@drm_get_sizes(\&disp_drv.hor_res, \&disp_drv.ver_res, NULL);@' "${S}/main.c"
+        fi
+
+        if [ "${LVGL_CONFIG_USE_SDL}" -eq 1 ] ; then
+                # Add libsdl build dependency
+                sed -i '/^target_link_libraries/ s@lvgl::drivers@& SDL2@' "${S}/CMakeLists.txt"
+                # Switch from fbdev to sdl usage
+                sed -i 's@fbdev_flush@sdl_display_flush@g' "${S}/main.c"
+                sed -i 's@lv_drivers/display/fbdev.h@lv_drivers/sdl/sdl.h@g' "${S}/main.c"
+                sed -i 's@fbdev@sdl@g' "${S}/main.c"
+        fi
+}
 
-do_install() {
-        oe_runmake install
+do_install:append() {
+        install -d ${D}${bindir}
+        install -m 0755 ${B}/lvgl_fb ${D}${bindir}/
 }