mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-10-11 10:29:01 +00:00
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
|
|
* Copyright (c) Pavol Rusnak, SatoshiLabs
|
|
*
|
|
* Licensed under Microsoft Reference Source License (Ms-RSL)
|
|
* see LICENSE.md file for details
|
|
*/
|
|
|
|
#include <SDL2/SDL.h>
|
|
|
|
static int SDL_inited = 0;
|
|
static SDL_Renderer *RENDERER = 0;
|
|
static SDL_Surface *SCREEN = 0;
|
|
static SDL_Texture *TEXTURE = 0;
|
|
static int DATAODD = 0;
|
|
static int POSX, POSY, SX, SY, EX, EY = 0;
|
|
static int ROTATION = 0;
|
|
|
|
#define DATA(X) DATAfunc((X))
|
|
|
|
static void DATAfunc(uint8_t x) {
|
|
if (!SDL_inited) return;
|
|
if (POSX <= EX && POSY <= EY) {
|
|
((uint8_t *)SCREEN->pixels)[POSX * 2 + POSY * SCREEN->pitch + (DATAODD ^ 1)] = x;
|
|
}
|
|
DATAODD = !DATAODD;
|
|
if (DATAODD == 0) {
|
|
POSX++;
|
|
if (POSX > EX) {
|
|
POSX = SX;
|
|
POSY++;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void display_init(void)
|
|
{
|
|
if (SDL_inited) return;
|
|
if (SDL_Init(SDL_INIT_VIDEO) != 0) {
|
|
printf("SDL_Init Error: %s\n", SDL_GetError());
|
|
}
|
|
SDL_Window *win = SDL_CreateWindow("TREZOR", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, RESX, RESY, SDL_WINDOW_SHOWN);
|
|
if (!win) {
|
|
printf("SDL_CreateWindow Error: %s\n", SDL_GetError());
|
|
SDL_Quit();
|
|
}
|
|
RENDERER = SDL_CreateRenderer(win, -1, SDL_RENDERER_SOFTWARE);
|
|
if (!RENDERER) {
|
|
printf("SDL_CreateRenderer Error: %s\n", SDL_GetError());
|
|
SDL_DestroyWindow(win);
|
|
SDL_Quit();
|
|
}
|
|
SDL_RenderClear(RENDERER);
|
|
SCREEN = SDL_CreateRGBSurface(0, RESX, RESY, 16, 0xF800, 0x07E0, 0x001F, 0x0000);
|
|
TEXTURE = SDL_CreateTexture(RENDERER, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_STREAMING, RESX, RESY);
|
|
SDL_inited = 1;
|
|
}
|
|
|
|
static void display_set_window(uint16_t x, uint16_t y, uint16_t w, uint16_t h) {
|
|
if (!SDL_inited) return;
|
|
SX = x; SY = y;
|
|
EX = x + w - 1; EY = y + h - 1;
|
|
POSX = SX; POSY = SY;
|
|
DATAODD = 0;
|
|
}
|
|
|
|
static void display_update(void)
|
|
{
|
|
if (!SDL_inited) return;
|
|
SDL_RenderClear(RENDERER);
|
|
SDL_UpdateTexture(TEXTURE, NULL, SCREEN->pixels, SCREEN->pitch);
|
|
SDL_RenderCopyEx(RENDERER, TEXTURE, NULL, NULL, ROTATION, NULL, 0);
|
|
SDL_RenderPresent(RENDERER);
|
|
}
|
|
|
|
static void display_orientation(int degrees)
|
|
{
|
|
ROTATION = degrees;
|
|
display_update();
|
|
}
|
|
|
|
static void display_rawcmd(uint8_t reg, uint8_t *data, int datalen)
|
|
{
|
|
}
|