mirror of https://github.com/encounter/SDL.git
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*
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Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <switch.h>
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#include "SDL2/SDL.h"
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#define WINDOW_WIDTH 1280
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#define WINDOW_HEIGHT 720
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int main(int argc, char *argv[])
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{
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SDL_Event event;
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SDL_Window *window;
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SDL_Renderer *renderer;
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int done = 0;
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// redirect stdout to emulators
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consoleDebugInit(debugDevice_SVC);
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stdout = stderr;
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// mandatory at least on switch, else gfx is not properly closed
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if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
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printf("SDL_Init: %s\n", SDL_GetError());
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return -1;
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}
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// switch only support software renderer for now
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if (SDL_CreateWindowAndRenderer(WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer) < 0) {
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printf("SDL_CreateWindowAndRenderer: %s\n", SDL_GetError());
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SDL_Quit();
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return -1;
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}
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// open CONTROLLER_P1_AUTO
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// https://github.com/devkitPro/SDL/blob/switch-sdl2/src/joystick/switch/SDL_sysjoystick.c#L45
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if (SDL_JoystickOpen(0) == NULL) {
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printf("SDL_JoystickOpen: %s\n", SDL_GetError());
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SDL_Quit();
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return -1;
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}
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while (!done) {
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while (SDL_PollEvent(&event)) {
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// seek for (B) button press
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// https://github.com/devkitPro/SDL/blob/switch-sdl2/src/joystick/switch/SDL_sysjoystick.c#L51
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if (event.type == SDL_JOYBUTTONDOWN && event.jbutton.button == KEY_B) {
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done = 1;
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}
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}
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SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
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SDL_RenderClear(renderer);
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// R
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SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
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SDL_Rect r = {0, 0, 64, 64};
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SDL_RenderFillRect(renderer, &r);
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// G
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SDL_SetRenderDrawColor(renderer, 0, 255, 0, 255);
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SDL_Rect g = {64, 0, 64, 64};
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SDL_RenderFillRect(renderer, &g);
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// B
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SDL_SetRenderDrawColor(renderer, 0, 0, 255, 255);
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SDL_Rect b = {128, 0, 64, 64};
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SDL_RenderFillRect(renderer, &b);
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SDL_RenderPresent(renderer);
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}
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SDL_Quit();
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return 0;
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}
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