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using lv_gpu_sdl #6

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using lv_gpu_sdl #6

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edcc0a1
Updated sdl driver usage
mariotaku Sep 10, 2021
e7a0e84
Updated references to driver
mariotaku Sep 10, 2021
9834861
updated dependencies
mariotaku Sep 16, 2021
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3 changes: 3 additions & 0 deletions lv_conf.h
View file
Original file line number Diff line number Diff line change
@@ -132,6 +132,9 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h"*/
/*Use NXP's VG-Lite GPU iMX RTxxx platforms*/
#define LV_USE_GPU_NXP_VG_LITE 0

/*Use SDL's accelerated API*/
#define LV_USE_GPU_SDL 0

/*-------------
* Logging
*-----------*/
2 changes: 1 addition & 1 deletion lv_drivers
Submodule lv_drivers updated 30 files
+1 −1 display/ILI9341.c
+1 −1 display/ILI9341.h
+8 −3 display/drm.c
+10 −0 display/fbdev.c
+0 −388 display/monitor.c
+1 −1 gtkdrv/README.md
+2 −6 gtkdrv/gtkdrv.c
+2 −2 gtkdrv/gtkdrv.h
+63 −40 indev/evdev.c
+1 −2 indev/evdev.h
+0 −134 indev/keyboard.c
+15 −11 indev/keyboard.h
+295 −20 indev/libinput.c
+27 −4 indev/libinput_drv.h
+0 −109 indev/mouse.c
+15 −11 indev/mouse.h
+0 −97 indev/mousewheel.c
+14 −12 indev/mousewheel.h
+185 −0 indev/xkb.c
+75 −0 indev/xkb.h
+1 −1 library.json
+65 −4 lv_drv_conf_template.h
+645 −0 sdl/sdl.c
+101 −0 sdl/sdl.h
+594 −0 sdl/sdl_gpu.c
+115 −0 sdl/sdl_gpu.h
+4 −12 wayland/wayland.c
+4 −4 wayland/wayland.h
+465 −116 win32drv/win32drv.c
+7 −0 win32drv/win32drv.h
23 changes: 23 additions & 0 deletions lv_drv_conf.h
View file
Original file line number Diff line number Diff line change
@@ -104,6 +104,29 @@
# define MONITOR_DUAL 0
#endif

/*---------------------------------
* SDL with Hardware Acceleration
*--------------------------------*/
#ifndef USE_SDL_GPU
# define USE_SDL_GPU 0
#endif

#if USE_SDL_GPU
# define SDL_HOR_RES 800
# define SDL_VER_RES 600
# define MONITOR_HOR_RES SDL_HOR_RES
# define MONITOR_VER_RES SDL_VER_RES

/* Scale window by this factor (useful when simulating small screens) */
# define SDL_ZOOM 1

/*Eclipse: <SDL2/SDL.h> Visual Studio: <SDL.h>*/
# define SDL_INCLUDE_PATH <SDL2/SDL.h>

/*Open two windows to test multi display support*/
# define SDL_DUAL_DISPLAY 0
#endif

/*-----------------------------------
* Native Windows (including mouse)
*----------------------------------*/
2 changes: 1 addition & 1 deletion lvgl
Submodule lvgl updated 551 files
33 changes: 10 additions & 23 deletions main/src/main.c
View file
Original file line number Diff line number Diff line change
@@ -32,7 +32,6 @@
* STATIC PROTOTYPES
**********************/
static void hal_init(void);
static int tick_thread(void *data);

/**********************
* STATIC VARIABLES
@@ -123,20 +122,24 @@ static void hal_init(void)
{
/* Use the 'monitor' driver which creates window on PC's monitor to simulate a display*/
monitor_init();
/* Tick init.
* You have to call 'lv_tick_inc()' in periodically to inform LittelvGL about
* how much time were elapsed Create an SDL thread to do this*/
SDL_CreateThread(tick_thread, "tick", NULL);

/*Create a display buffer*/
static lv_disp_draw_buf_t disp_buf1;
#if USE_SDL_GPU
sdl_gpu_disp_draw_buf_init(&disp_buf1);
#else
static lv_color_t buf1_1[MONITOR_HOR_RES * 100];
static lv_color_t buf1_2[MONITOR_HOR_RES * 100];
lv_disp_draw_buf_init(&disp_buf1, buf1_1, buf1_2, MONITOR_HOR_RES * 100);
#endif

/*Create a display*/
static lv_disp_drv_t disp_drv;
lv_disp_drv_init(&disp_drv); /*Basic initialization*/
#if USE_SDL_GPU
sdl_gpu_disp_drv_init(&disp_drv); /*Basic initialization*/
#else
lv_disp_drv_init(&disp_drv);
#endif
disp_drv.draw_buf = &disp_buf1;
disp_drv.flush_cb = monitor_flush;
disp_drv.hor_res = MONITOR_HOR_RES;
@@ -183,20 +186,4 @@ static void hal_init(void)
lv_obj_t * cursor_obj = lv_img_create(lv_scr_act()); /*Create an image object for the cursor */
lv_img_set_src(cursor_obj, &mouse_cursor_icon); /*Set the image source*/
lv_indev_set_cursor(mouse_indev, cursor_obj); /*Connect the image object to the driver*/
}

/**
* A task to measure the elapsed time for LVGL
* @param data unused
* @return never return
*/
static int tick_thread(void *data) {
(void)data;

while(1) {
SDL_Delay(5);
lv_tick_inc(5); /*Tell LittelvGL that 5 milliseconds were elapsed*/
}

return 0;
}
}