feat(draw): add NEMA GFX draw context support (lvgl#6314)

Co-authored-by: Gabor Kiss-Vamosi <[email protected]>
Co-authored-by: ym-terada <[email protected]>

README.md

@@ -18,7 +18,6 @@ LVGL provides everything you need to create an embedded GUI with easy-to-use gra
 
 **English** | [中文](./README_zh.md) | [Português do Brasil](./README_pt_BR.md)
 
-
 ---
 
 #### Table of content

lv_conf_template.h

@@ -176,6 +176,9 @@
  * GPU
  *-----------*/
 
+/*Use TSi's (aka Think Silicon) acceleration library NemaGFX */
+#define LV_USE_NEMA_GFX 0
+
 /*Use Arm's 2D acceleration library Arm-2D */
 #define LV_USE_GPU_ARM2D 0
 

src/core/lv_obj.c

@@ -42,6 +42,10 @@
     #include "../draw/nxp/pxp/lv_gpu_nxp_pxp.h"
 #endif
 
+#if LV_USE_NEMA_GFX
+    #include "../draw/nema_gfx/lv_draw_nema_gfx.h"
+#endif
+
 /*********************
  *      DEFINES
  *********************/
@@ -137,6 +141,11 @@ void lv_init(void)
     PXP_COND_STOP(!lv_gpu_nxp_pxp_init(), "PXP init failed.");
 #endif
 
+#if LV_USE_NEMA_GFX
+    /*Initialize NEMA GPU*/
+    lv_draw_nema_gfx_init();
+#endif
+
     _lv_obj_style_init();
     _lv_ll_init(&LV_GC_ROOT(_lv_disp_ll), sizeof(lv_disp_t));
     _lv_ll_init(&LV_GC_ROOT(_lv_indev_ll), sizeof(lv_indev_t));

src/draw/lv_draw.mk

@@ -23,3 +23,4 @@ include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/draw/sdl/lv_draw_sdl.mk
 include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/draw/stm32_dma2d/lv_draw_stm32_dma2d.mk
 include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/draw/sw/lv_draw_sw.mk
 include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/draw/swm341_dma2d/lv_draw_swm341_dma2d.mk
+include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/draw/nema_gfx/lv_draw_nema_gfx.mk