diff options
Diffstat (limited to 'meta-oe/recipes-graphics/lvgl/files/0006-Add-SDL2-example-support.patch')
| -rw-r--r-- | meta-oe/recipes-graphics/lvgl/files/0006-Add-SDL2-example-support.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/meta-oe/recipes-graphics/lvgl/files/0006-Add-SDL2-example-support.patch b/meta-oe/recipes-graphics/lvgl/files/0006-Add-SDL2-example-support.patch new file mode 100644 index 0000000000..691ee80b59 --- /dev/null +++ b/meta-oe/recipes-graphics/lvgl/files/0006-Add-SDL2-example-support.patch @@ -0,0 +1,69 @@ +From b202ce51f7b68c460fcd1b6d9c3ffa8aaf2baaf6 Mon Sep 17 00:00:00 2001 +From: Marek Vasut <marex@denx.de> +Date: Tue, 12 Mar 2024 19:05:38 +0100 +Subject: [PATCH 6/6] Add SDL2 example support + +Extend the main.c to support both legacy fbdev, DRM/KMS, SDL2 initialization. +The SDL2 window resolution can be configured using environment variables +LV_VIDEO_WIDTH and LV_VIDEO_HEIGHT and defaults to 800 x 480 . + +To use legacy fbdev support, adjust lv_conf.h as follows: +LV_USE_LINUX_FBDEV=1 +LV_USE_LINUX_DRM=0 +LV_USE_SDL=0 + +To use DRM/KMS support, adjust lv_conf.h as follows: +LV_USE_LINUX_FBDEV=0 +LV_USE_LINUX_DRM=1 +LV_USE_SDL=0 + +To use SDL2 support, adjust lv_conf.h as follows: +LV_USE_LINUX_FBDEV=0 +LV_USE_LINUX_DRM=0 +LV_USE_SDL=1 + +Upstream-Status: Submitted [https://github.com/lvgl/lv_port_linux_frame_buffer/pull/47] +Signed-off-by: Marek Vasut <marex@denx.de> +--- + CMakeLists.txt | 6 +++++- + main.c | 8 ++++++++ + 2 files changed, 13 insertions(+), 1 deletion(-) + +diff --git a/CMakeLists.txt b/CMakeLists.txt +index c1cfb7f..658193f 100644 +--- a/CMakeLists.txt ++++ b/CMakeLists.txt +@@ -15,6 +15,10 @@ add_executable(main main.c mouse_cursor_icon.c) + include(${CMAKE_CURRENT_LIST_DIR}/lvgl/tests/FindLibDRM.cmake) + include_directories(${Libdrm_INCLUDE_DIRS}) + +-target_link_libraries(main lvgl lvgl::examples lvgl::demos lvgl::thorvg ${SDL2_LIBRARIES} ${Libdrm_LIBRARIES} m pthread) ++find_package(SDL2) ++find_package(SDL2_image) ++include_directories(${SDL2_INCLUDE_DIRS} ${SDL2_IMAGE_INCLUDE_DIRS}) ++ ++target_link_libraries(main lvgl lvgl::examples lvgl::demos lvgl::thorvg ${SDL2_LIBRARIES} ${SDL2_IMAGE_LIBRARIES} ${Libdrm_LIBRARIES} m pthread) + add_custom_target (run COMMAND ${EXECUTABLE_OUTPUT_PATH}/main DEPENDS main) + +diff --git a/main.c b/main.c +index ab4e936..4b66ebc 100644 +--- a/main.c ++++ b/main.c +@@ -25,6 +25,14 @@ static void lv_linux_disp_init(void) + + lv_linux_drm_set_file(disp, videocard, -1); + } ++#elif LV_USE_SDL ++static void lv_linux_disp_init(void) ++{ ++ const int width = atoi(getenv("LV_VIDEO_WIDTH") ? : "800"); ++ const int height = atoi(getenv("LV_VIDEO_HEIGHT") ? : "480"); ++ ++ lv_sdl_window_create(width, height); ++} + #else + #error Unsupported configuration + #endif +-- +2.43.0 + |