You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
391 lines
10 KiB
C
391 lines
10 KiB
C
/**
|
|
* @file sdl.h
|
|
*
|
|
*/
|
|
|
|
/*********************
|
|
* INCLUDES
|
|
*********************/
|
|
#include "sdl.h"
|
|
#if USE_MONITOR || USE_SDL
|
|
|
|
#if LV_USE_GPU_SDL
|
|
# error "LV_USE_GPU_SDL must not be enabled"
|
|
#endif
|
|
|
|
#if USE_MONITOR
|
|
# warning "MONITOR is deprecated, use SDL instead. See lv_drivers/sdl/sdl.c"
|
|
#endif
|
|
|
|
#if USE_KEYBOARD
|
|
# warning "KEYBOARD is deprecated, use SDL instead. See lv_drivers/sdl/sdl.c"
|
|
#endif
|
|
|
|
#if USE_MOUSE
|
|
# warning "MOUSE is deprecated, use SDL instead. See lv_drivers/sdl/sdl.c"
|
|
#endif
|
|
|
|
#if USE_MOUSEWHEEL
|
|
# warning "MOUSEWHEEL is deprecated, use SDL instead that. See lv_drivers/sdl/sdl.c"
|
|
#endif
|
|
|
|
#if USE_MONITOR && USE_SDL
|
|
# error "Cannot enable both MONITOR and SDL at the same time. "
|
|
#endif
|
|
|
|
#if USE_MONITOR
|
|
# define SDL_HOR_RES MONITOR_HOR_RES
|
|
# define SDL_VER_RES MONITOR_VER_RES
|
|
# define SDL_ZOOM MONITOR_ZOOM
|
|
# define SDL_DOUBLE_BUFFERED MONITOR_DOUBLE_BUFFERED
|
|
# define SDL_INCLUDE_PATH MONITOR_SDL_INCLUDE_PATH
|
|
# define SDL_VIRTUAL_MACHINE MONITOR_VIRTUAL_MACHINE
|
|
# define SDL_DUAL_DISPLAY MONITOR_DUAL
|
|
#endif
|
|
|
|
#ifndef SDL_FULLSCREEN
|
|
# define SDL_FULLSCREEN 0
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
#include SDL_INCLUDE_PATH
|
|
|
|
/*********************
|
|
* DEFINES
|
|
*********************/
|
|
#ifndef KEYBOARD_BUFFER_SIZE
|
|
#define KEYBOARD_BUFFER_SIZE SDL_TEXTINPUTEVENT_TEXT_SIZE
|
|
#endif
|
|
|
|
/**********************
|
|
* TYPEDEFS
|
|
**********************/
|
|
typedef struct {
|
|
SDL_Window * window;
|
|
SDL_Renderer * renderer;
|
|
SDL_Texture * texture;
|
|
volatile bool sdl_refr_qry;
|
|
#if SDL_DOUBLE_BUFFERED
|
|
uint32_t * tft_fb_act;
|
|
#else
|
|
uint32_t * tft_fb;
|
|
#endif
|
|
}monitor_t;
|
|
|
|
/**********************
|
|
* STATIC PROTOTYPES
|
|
**********************/
|
|
static void window_create(monitor_t * m);
|
|
static void window_update(monitor_t * m);
|
|
static void monitor_sdl_clean_up(void);
|
|
static void sdl_event_handler(lv_timer_t * t);
|
|
static void monitor_sdl_refr(lv_timer_t * t);
|
|
|
|
/***********************
|
|
* GLOBAL PROTOTYPES
|
|
***********************/
|
|
|
|
/**********************
|
|
* STATIC VARIABLES
|
|
**********************/
|
|
monitor_t monitor;
|
|
|
|
#if SDL_DUAL_DISPLAY
|
|
monitor_t monitor2;
|
|
#endif
|
|
|
|
static volatile bool sdl_inited = false;
|
|
|
|
static bool left_button_down = false;
|
|
static int16_t last_x = 0;
|
|
static int16_t last_y = 0;
|
|
|
|
static int16_t wheel_diff = 0;
|
|
static lv_indev_state_t wheel_state = LV_INDEV_STATE_RELEASED;
|
|
|
|
static char buf[KEYBOARD_BUFFER_SIZE];
|
|
|
|
/**********************
|
|
* MACROS
|
|
**********************/
|
|
|
|
/**********************
|
|
* GLOBAL FUNCTIONS
|
|
**********************/
|
|
|
|
void sdl_init(void)
|
|
{
|
|
/*Initialize the SDL*/
|
|
SDL_Init(SDL_INIT_VIDEO);
|
|
|
|
SDL_SetEventFilter(quit_filter, NULL);
|
|
|
|
window_create(&monitor);
|
|
#if SDL_DUAL_DISPLAY
|
|
window_create(&monitor2);
|
|
int x, y;
|
|
SDL_GetWindowPosition(monitor2.window, &x, &y);
|
|
SDL_SetWindowPosition(monitor.window, x + (SDL_HOR_RES * SDL_ZOOM) / 2 + 10, y);
|
|
SDL_SetWindowPosition(monitor2.window, x - (SDL_HOR_RES * SDL_ZOOM) / 2 - 10, y);
|
|
#endif
|
|
|
|
SDL_StartTextInput();
|
|
|
|
lv_timer_create(sdl_event_handler, 10, NULL);
|
|
}
|
|
|
|
/**
|
|
* Flush a buffer to the marked area
|
|
* @param disp_drv pointer to driver where this function belongs
|
|
* @param area an area where to copy `color_p`
|
|
* @param color_p an array of pixels to copy to the `area` part of the screen
|
|
*/
|
|
void sdl_display_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p)
|
|
{
|
|
const lv_coord_t hres = disp_drv->physical_hor_res == -1 ? disp_drv->hor_res : disp_drv->physical_hor_res;
|
|
const lv_coord_t vres = disp_drv->physical_ver_res == -1 ? disp_drv->ver_res : disp_drv->physical_ver_res;
|
|
|
|
// printf("x1:%d,y1:%d,x2:%d,y2:%d\n", area->x1, area->y1, area->x2, area->y2);
|
|
|
|
/*Return if the area is out the screen*/
|
|
if(area->x2 < 0 || area->y2 < 0 || area->x1 > hres - 1 || area->y1 > vres - 1) {
|
|
lv_disp_flush_ready(disp_drv);
|
|
return;
|
|
}
|
|
|
|
#if SDL_DOUBLE_BUFFERED
|
|
monitor.tft_fb_act = (uint32_t *)color_p;
|
|
#else /*SDL_DOUBLE_BUFFERED*/
|
|
|
|
int32_t y;
|
|
#if LV_COLOR_DEPTH != 24 && LV_COLOR_DEPTH != 32 /*32 is valid but support 24 for backward compatibility too*/
|
|
int32_t x;
|
|
for(y = area->y1; y <= area->y2 && y < vres; y++) {
|
|
for(x = area->x1; x <= area->x2; x++) {
|
|
monitor.tft_fb[y * hres + x] = lv_color_to32(*color_p);
|
|
color_p++;
|
|
}
|
|
|
|
}
|
|
#else
|
|
uint32_t w = lv_area_get_width(area);
|
|
for(y = area->y1; y <= area->y2 && y < vres; y++) {
|
|
memcpy(&monitor.tft_fb[y * hres + area->x1], color_p, w * sizeof(lv_color_t));
|
|
color_p += w;
|
|
}
|
|
#endif
|
|
#endif /*SDL_DOUBLE_BUFFERED*/
|
|
|
|
monitor.sdl_refr_qry = true;
|
|
|
|
/* TYPICALLY YOU DO NOT NEED THIS
|
|
* If it was the last part to refresh update the texture of the window.*/
|
|
if(lv_disp_flush_is_last(disp_drv)) {
|
|
monitor_sdl_refr(NULL);
|
|
}
|
|
|
|
/*IMPORTANT! It must be called to tell the system the flush is ready*/
|
|
lv_disp_flush_ready(disp_drv);
|
|
|
|
}
|
|
|
|
|
|
#if SDL_DUAL_DISPLAY
|
|
|
|
/**
|
|
* Flush a buffer to the marked area
|
|
* @param disp_drv pointer to driver where this function belongs
|
|
* @param area an area where to copy `color_p`
|
|
* @param color_p an array of pixels to copy to the `area` part of the screen
|
|
*/
|
|
void sdl_display_flush2(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p)
|
|
{
|
|
const lv_coord_t hres = disp_drv->physical_hor_res == -1 ? disp_drv->hor_res : disp_drv->physical_hor_res;
|
|
const lv_coord_t vres = disp_drv->physical_ver_res == -1 ? disp_drv->ver_res : disp_drv->physical_ver_res;
|
|
|
|
/*Return if the area is out the screen*/
|
|
if(area->x2 < 0 || area->y2 < 0 || area->x1 > hres - 1 || area->y1 > vres - 1) {
|
|
lv_disp_flush_ready(disp_drv);
|
|
return;
|
|
}
|
|
|
|
#if SDL_DOUBLE_BUFFERED
|
|
monitor2.tft_fb_act = (uint32_t *)color_p;
|
|
|
|
monitor2.sdl_refr_qry = true;
|
|
|
|
/*IMPORTANT! It must be called to tell the system the flush is ready*/
|
|
lv_disp_flush_ready(disp_drv);
|
|
#else
|
|
|
|
int32_t y;
|
|
#if LV_COLOR_DEPTH != 24 && LV_COLOR_DEPTH != 32 /*32 is valid but support 24 for backward compatibility too*/
|
|
int32_t x;
|
|
for(y = area->y1; y <= area->y2 && y < vres; y++) {
|
|
for(x = area->x1; x <= area->x2; x++) {
|
|
monitor2.tft_fb[y * hres + x] = lv_color_to32(*color_p);
|
|
color_p++;
|
|
}
|
|
|
|
}
|
|
#else
|
|
uint32_t w = lv_area_get_width(area);
|
|
for(y = area->y1; y <= area->y2 && y < vres; y++) {
|
|
memcpy(&monitor2.tft_fb[y * hres + area->x1], color_p, w * sizeof(lv_color_t));
|
|
color_p += w;
|
|
}
|
|
#endif
|
|
|
|
monitor2.sdl_refr_qry = true;
|
|
|
|
/* TYPICALLY YOU DO NOT NEED THIS
|
|
* If it was the last part to refresh update the texture of the window.*/
|
|
if(lv_disp_flush_is_last(disp_drv)) {
|
|
monitor_sdl_refr(NULL);
|
|
}
|
|
|
|
/*IMPORTANT! It must be called to tell the system the flush is ready*/
|
|
lv_disp_flush_ready(disp_drv);
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
/**********************
|
|
* STATIC FUNCTIONS
|
|
**********************/
|
|
|
|
|
|
/**
|
|
* SDL main thread. All SDL related task have to be handled here!
|
|
* It initializes SDL, handles drawing and the mouse.
|
|
*/
|
|
|
|
static void sdl_event_handler(lv_timer_t * t)
|
|
{
|
|
(void)t;
|
|
|
|
/*Refresh handling*/
|
|
SDL_Event event;
|
|
while(SDL_PollEvent(&event)) {
|
|
mouse_handler(&event);
|
|
mousewheel_handler(&event);
|
|
keyboard_handler(&event);
|
|
|
|
if((&event)->type == SDL_WINDOWEVENT) {
|
|
switch((&event)->window.event) {
|
|
#if SDL_VERSION_ATLEAST(2, 0, 5)
|
|
case SDL_WINDOWEVENT_TAKE_FOCUS:
|
|
#endif
|
|
case SDL_WINDOWEVENT_EXPOSED:
|
|
window_update(&monitor);
|
|
#if SDL_DUAL_DISPLAY
|
|
window_update(&monitor2);
|
|
#endif
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*Run until quit event not arrives*/
|
|
if(sdl_quit_qry) {
|
|
monitor_sdl_clean_up();
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* SDL main thread. All SDL related task have to be handled here!
|
|
* It initializes SDL, handles drawing and the mouse.
|
|
*/
|
|
|
|
static void monitor_sdl_refr(lv_timer_t * t)
|
|
{
|
|
(void)t;
|
|
|
|
/*Refresh handling*/
|
|
if(monitor.sdl_refr_qry != false) {
|
|
monitor.sdl_refr_qry = false;
|
|
window_update(&monitor);
|
|
}
|
|
|
|
#if SDL_DUAL_DISPLAY
|
|
if(monitor2.sdl_refr_qry != false) {
|
|
monitor2.sdl_refr_qry = false;
|
|
window_update(&monitor2);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void monitor_sdl_clean_up(void)
|
|
{
|
|
SDL_DestroyTexture(monitor.texture);
|
|
SDL_DestroyRenderer(monitor.renderer);
|
|
SDL_DestroyWindow(monitor.window);
|
|
|
|
#if SDL_DUAL_DISPLAY
|
|
SDL_DestroyTexture(monitor2.texture);
|
|
SDL_DestroyRenderer(monitor2.renderer);
|
|
SDL_DestroyWindow(monitor2.window);
|
|
|
|
#endif
|
|
|
|
SDL_Quit();
|
|
}
|
|
|
|
static void window_create(monitor_t * m)
|
|
{
|
|
|
|
int flag = 0;
|
|
#if SDL_FULLSCREEN
|
|
flag |= SDL_WINDOW_FULLSCREEN;
|
|
#endif
|
|
|
|
m->window = SDL_CreateWindow("TFT Simulator",
|
|
SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
|
|
SDL_HOR_RES * SDL_ZOOM, SDL_VER_RES * SDL_ZOOM, flag); /*last param. SDL_WINDOW_BORDERLESS to hide borders*/
|
|
|
|
m->renderer = SDL_CreateRenderer(m->window, -1, SDL_RENDERER_SOFTWARE);
|
|
m->texture = SDL_CreateTexture(m->renderer,
|
|
SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STATIC, SDL_HOR_RES, SDL_VER_RES);
|
|
SDL_SetTextureBlendMode(m->texture, SDL_BLENDMODE_BLEND);
|
|
|
|
/*Initialize the frame buffer to gray (77 is an empirical value) */
|
|
#if SDL_DOUBLE_BUFFERED
|
|
SDL_UpdateTexture(m->texture, NULL, m->tft_fb_act, SDL_HOR_RES * sizeof(uint32_t));
|
|
#else
|
|
m->tft_fb = (uint32_t *)malloc(sizeof(uint32_t) * SDL_HOR_RES * SDL_VER_RES);
|
|
memset(m->tft_fb, 0x44, SDL_HOR_RES * SDL_VER_RES * sizeof(uint32_t));
|
|
#endif
|
|
|
|
m->sdl_refr_qry = true;
|
|
|
|
}
|
|
|
|
static void window_update(monitor_t * m)
|
|
{
|
|
#if SDL_DOUBLE_BUFFERED == 0
|
|
SDL_UpdateTexture(m->texture, NULL, m->tft_fb, SDL_HOR_RES * sizeof(uint32_t));
|
|
#else
|
|
if(m->tft_fb_act == NULL) return;
|
|
SDL_UpdateTexture(m->texture, NULL, m->tft_fb_act, SDL_HOR_RES * sizeof(uint32_t));
|
|
#endif
|
|
SDL_RenderClear(m->renderer);
|
|
lv_disp_t * d = _lv_refr_get_disp_refreshing();
|
|
if(d->driver->screen_transp) {
|
|
SDL_SetRenderDrawColor(m->renderer, 0xff, 0, 0, 0xff);
|
|
SDL_Rect r;
|
|
r.x = 0; r.y = 0; r.w = SDL_HOR_RES; r.h = SDL_VER_RES;
|
|
SDL_RenderDrawRect(m->renderer, &r);
|
|
}
|
|
|
|
/*Update the renderer with the texture containing the rendered image*/
|
|
SDL_RenderCopy(m->renderer, m->texture, NULL, NULL);
|
|
SDL_RenderPresent(m->renderer);
|
|
}
|
|
|
|
#endif /*USE_MONITOR || USE_SDL*/
|