C++ GraphicsContext::Shutdown方法代码示例

//.........这里部分代码省略.........
					input.flags = TOUCH_MOVE | TOUCH_MOUSE;
					input.id = 0;
					NativeTouch(input);
				}
				break;
			case SDL_MOUSEBUTTONUP:
				switch (event.button.button) {
				case SDL_BUTTON_LEFT:
					{
						mouseDown = false;
						TouchInput input;
						input.x = mx;
						input.y = my;
						input.flags = TOUCH_UP | TOUCH_MOUSE;
						input.id = 0;
						NativeTouch(input);
						KeyInput key(DEVICE_ID_MOUSE, NKCODE_EXT_MOUSEBUTTON_1, KEY_UP);
						NativeKey(key);
					}
					break;
				case SDL_BUTTON_RIGHT:
					{
						KeyInput key(DEVICE_ID_MOUSE, NKCODE_EXT_MOUSEBUTTON_2, KEY_UP);
						NativeKey(key);
					}
					break;
				}
				break;
			default:
				if (joystick) {
					joystick->ProcessInput(event);
				}
				break;
			}
		}
		if (g_QuitRequested)
			break;
		const uint8_t *keys = SDL_GetKeyboardState(NULL);
		if (emuThreadState == (int)EmuThreadState::DISABLED) {
			UpdateRunLoop();
		}
		if (g_QuitRequested)
			break;
#if !defined(MOBILE_DEVICE)
		if (lastUIState != GetUIState()) {
			lastUIState = GetUIState();
			if (lastUIState == UISTATE_INGAME && g_Config.bFullScreen && !g_Config.bShowTouchControls)
				SDL_ShowCursor(SDL_DISABLE);
			if (lastUIState != UISTATE_INGAME && g_Config.bFullScreen)
				SDL_ShowCursor(SDL_ENABLE);
		}
#endif

		if (framecount % 60 == 0) {
			// glsl_refresh(); // auto-reloads modified GLSL shaders once per second.
		}

		if (emuThreadState != (int)EmuThreadState::DISABLED) {
			if (!graphicsContext->ThreadFrame())
				break;
		}
		graphicsContext->SwapBuffers();

		ToggleFullScreenIfFlagSet(window);
		time_update();
		framecount++;
	}

	if (useEmuThread) {
		EmuThreadStop();
		while (emuThreadState != (int)EmuThreadState::STOPPED) {
			// Need to keep eating frames to allow the EmuThread to exit correctly.
			graphicsContext->ThreadFrame();
		}
		EmuThreadJoin();
	}

	delete joystick;

	if (!useEmuThread) {
		NativeShutdownGraphics();
	}
	graphicsContext->Shutdown();
	graphicsContext->ThreadEnd();
	graphicsContext->ShutdownFromRenderThread();

	NativeShutdown();
	delete graphicsContext;

	SDL_PauseAudio(1);
	SDL_CloseAudio();
	SDL_Quit();
#if PPSSPP_PLATFORM(RPI)
	bcm_host_deinit();
#endif

	glslang::FinalizeProcess();
	ILOG("Leaving main");
	return 0;
}

//.........这里部分代码省略.........
#ifdef _MSC_VER
	// VFSRegister("temp/", new DirectoryAssetReader("E:\\Temp\\"));
	TCHAR path[MAX_PATH];
	SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, 0, path);
	PathAppend(path, (app_name + "\\").c_str());
#else
	// Mac / Linux
	char path[2048];
	const char *the_path = getenv("HOME");
	if (!the_path) {
		struct passwd* pwd = getpwuid(getuid());
		if (pwd)
			the_path = pwd->pw_dir;
	}
	strcpy(path, the_path);
	if (path[strlen(path)-1] != '/')
		strcat(path, "/");
#endif

#ifdef _WIN32
	NativeInit(remain_argc, (const char **)remain_argv, path, "D:\\", nullptr);
#else
	NativeInit(remain_argc, (const char **)remain_argv, path, "/tmp", nullptr);
#endif

	// Use the setting from the config when initing the window.
	if (g_Config.bFullScreen)
		mode |= SDL_WINDOW_FULLSCREEN_DESKTOP;

	g_Screen = SDL_CreateWindow(app_name_nice.c_str(), SDL_WINDOWPOS_UNDEFINED_DISPLAY(getDisplayNumber()),\
					SDL_WINDOWPOS_UNDEFINED, pixel_xres, pixel_yres, mode);

	if (g_Screen == NULL) {
		NativeShutdown();
		fprintf(stderr, "SDL_CreateWindow failed: %s\n", SDL_GetError());
		SDL_Quit();
		return 2;
	}

	SDL_GLContext glContext = SDL_GL_CreateContext(g_Screen);
	if (glContext == NULL) {
		NativeShutdown();
		fprintf(stderr, "SDL_GL_CreateContext failed: %s\n", SDL_GetError());
		SDL_Quit();
		return 2;
	}

#ifdef USING_EGL
	EGL_Init();
#endif

	SDL_SetWindowTitle(g_Screen, (app_name_nice + " " + PPSSPP_GIT_VERSION).c_str());

#ifdef MOBILE_DEVICE
	SDL_ShowCursor(SDL_DISABLE);
#endif


#ifndef USING_GLES2
	// Some core profile drivers elide certain extensions from GL_EXTENSIONS/etc.
	// glewExperimental allows us to force GLEW to search for the pointers anyway.
	if (gl_extensions.IsCoreContext)
		glewExperimental = true;
	if (GLEW_OK != glewInit()) {
		printf("Failed to initialize glew!\n");
		return 1;