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lvgl/contrib: allow for SDL display driver height/width to be adjusted

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Enables the SDL driver for LVGL to utilize a user prescribed width/height for display resolution when utilizing SDL, or rely on the SDL_HOR/VER_RES provided by lv_drv_conf.h in lv_drivers
This commit is contained in:
tvanfossen 2022-08-17 10:43:10 -04:00
parent dffac04069
commit 4831fd68ab
1 changed files with 15 additions and 0 deletions
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15
pkg/lvgl/contrib/lvgl.c
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@ -54,6 +54,18 @@
#define LVGL_THREAD_FLAG (1 << 7)
#endif
#if IS_USED(MODULE_LV_DRIVERS_SDL)
#ifndef LCD_SCREEN_WIDTH
#define LCD_SCREEN_WIDTH SDL_HOR_RES
#endif
#ifndef LCD_SCREEN_HEIGHT
#define LCD_SCREEN_HEIGHT SDL_VER_RES
#endif
#endif
static kernel_pid_t _task_thread_pid;
static lv_disp_draw_buf_t disp_buf;
@ -79,6 +91,7 @@ static void _disp_map(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *col
const disp_dev_area_t disp_area = {
area->x1, area->x2, area->y1, area->y2
};
disp_dev_map(_screen_dev->display, &disp_area, (const uint16_t *)color_p);
LOG_DEBUG("[lvgl] flush display\n");
@ -141,6 +154,8 @@ void lvgl_init(screen_dev_t *screen_dev)
sdl_init();
/* Used when `LV_VDB_SIZE != 0` in lv_conf.h (buffered drawing) */
disp_drv.flush_cb = sdl_display_flush;
disp_drv.hor_res = LCD_SCREEN_WIDTH;
disp_drv.ver_res = LCD_SCREEN_HEIGHT;
#else
disp_drv.flush_cb = _disp_map;
/* Configure horizontal and vertical resolutions based on the