void Program::
Render( void )
{
GraphicsContext* ctx = GetGraphicsSystem()->GetGraphicsContext();
ctx->Clear();
Dispatch(Event(EVT_RENDER, RenderEventData(ctx)));
ctx->SwapBuffers();
}
int main(int argc, char *argv[]) {
glslang::InitializeProcess();
#if PPSSPP_PLATFORM(RPI)
bcm_host_init();
#endif
putenv((char*)"SDL_VIDEO_CENTERED=1");
SDL_SetHint(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0");
if (VulkanMayBeAvailable()) {
printf("Vulkan might be available.\n");
} else {
printf("Vulkan is not available.\n");
}
int set_xres = -1;
int set_yres = -1;
bool portrait = false;
bool set_ipad = false;
float set_dpi = 1.0f;
float set_scale = 1.0f;
// Produce a new set of arguments with the ones we skip.
int remain_argc = 1;
const char *remain_argv[256] = { argv[0] };
Uint32 mode = 0;
for (int i = 1; i < argc; i++) {
if (!strcmp(argv[i],"--fullscreen"))
mode |= SDL_WINDOW_FULLSCREEN_DESKTOP;
else if (set_xres == -2)
set_xres = parseInt(argv[i]);
else if (set_yres == -2)
set_yres = parseInt(argv[i]);
else if (set_dpi == -2)
set_dpi = parseFloat(argv[i]);
else if (set_scale == -2)
set_scale = parseFloat(argv[i]);
else if (!strcmp(argv[i],"--xres"))
set_xres = -2;
else if (!strcmp(argv[i],"--yres"))
set_yres = -2;
else if (!strcmp(argv[i],"--dpi"))
set_dpi = -2;
else if (!strcmp(argv[i],"--scale"))
set_scale = -2;
else if (!strcmp(argv[i],"--ipad"))
set_ipad = true;
else if (!strcmp(argv[i],"--portrait"))
portrait = true;
else {
remain_argv[remain_argc++] = argv[i];
}
}
std::string app_name;
std::string app_name_nice;
std::string version;
bool landscape;
NativeGetAppInfo(&app_name, &app_name_nice, &landscape, &version);
bool joystick_enabled = true;
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER | SDL_INIT_AUDIO) < 0) {
fprintf(stderr, "Failed to initialize SDL with joystick support. Retrying without.\n");
joystick_enabled = false;
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0) {
fprintf(stderr, "Unable to initialize SDL: %s\n", SDL_GetError());
return 1;
}
}
// TODO: How do we get this into the GraphicsContext?
#ifdef USING_EGL
if (EGL_Open())
return 1;
#endif
// Get the video info before doing anything else, so we don't get skewed resolution results.
// TODO: support multiple displays correctly
SDL_DisplayMode displayMode;
int should_be_zero = SDL_GetCurrentDisplayMode(0, &displayMode);
if (should_be_zero != 0) {
fprintf(stderr, "Could not get display mode: %s\n", SDL_GetError());
return 1;
}
g_DesktopWidth = displayMode.w;
g_DesktopHeight = displayMode.h;
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetSwapInterval(1);
// Is resolution is too low to run windowed
if (g_DesktopWidth < 480 * 2 && g_DesktopHeight < 272 * 2) {
mode |= SDL_WINDOW_FULLSCREEN_DESKTOP;
}
if (mode & SDL_WINDOW_FULLSCREEN_DESKTOP) {
pixel_xres = g_DesktopWidth;
pixel_yres = g_DesktopHeight;
g_Config.bFullScreen = true;
} else {
// set a sensible default resolution (2x)
pixel_xres = 480 * 2 * set_scale;
pixel_yres = 272 * 2 * set_scale;
if (portrait) {
std::swap(pixel_xres, pixel_yres);
}
g_Config.bFullScreen = false;
}
set_dpi = 1.0f / set_dpi;
if (set_ipad) {
pixel_xres = 1024;
pixel_yres = 768;
}
if (!landscape) {
std::swap(pixel_xres, pixel_yres);
}
if (set_xres > 0) {
pixel_xres = set_xres;
}
if (set_yres > 0) {
pixel_yres = set_yres;
}
float dpi_scale = 1.0f;
if (set_dpi > 0) {
dpi_scale = set_dpi;
}
dp_xres = (float)pixel_xres * dpi_scale;
dp_yres = (float)pixel_yres * dpi_scale;
// 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, "/");
NativeInit(remain_argc, (const char **)remain_argv, path, "/tmp", nullptr);
// Use the setting from the config when initing the window.
if (g_Config.bFullScreen)
mode |= SDL_WINDOW_FULLSCREEN_DESKTOP;
int x = SDL_WINDOWPOS_UNDEFINED_DISPLAY(getDisplayNumber());
int y = SDL_WINDOWPOS_UNDEFINED;
pixel_in_dps_x = (float)pixel_xres / dp_xres;
pixel_in_dps_y = (float)pixel_yres / dp_yres;
g_dpi_scale_x = dp_xres / (float)pixel_xres;
g_dpi_scale_y = dp_yres / (float)pixel_yres;
g_dpi_scale_real_x = g_dpi_scale_x;
g_dpi_scale_real_y = g_dpi_scale_y;
printf("Pixels: %i x %i\n", pixel_xres, pixel_yres);
printf("Virtual pixels: %i x %i\n", dp_xres, dp_yres);
GraphicsContext *graphicsContext = nullptr;
SDL_Window *window = nullptr;
std::string error_message;
if (g_Config.iGPUBackend == (int)GPUBackend::OPENGL) {
SDLGLGraphicsContext *ctx = new SDLGLGraphicsContext();
if (ctx->Init(window, x, y, mode, &error_message) != 0) {
printf("GL init error '%s'\n", error_message.c_str());
}
graphicsContext = ctx;
} else if (g_Config.iGPUBackend == (int)GPUBackend::VULKAN) {
SDLVulkanGraphicsContext *ctx = new SDLVulkanGraphicsContext();
if (!ctx->Init(window, x, y, mode, &error_message)) {
printf("Vulkan init error '%s' - falling back to GL\n", error_message.c_str());
g_Config.iGPUBackend = (int)GPUBackend::OPENGL;
SetGPUBackend((GPUBackend)g_Config.iGPUBackend);
delete ctx;
SDLGLGraphicsContext *glctx = new SDLGLGraphicsContext();
glctx->Init(window, x, y, mode, &error_message);
graphicsContext = glctx;
} else {
graphicsContext = ctx;
}
}
bool useEmuThread = g_Config.iGPUBackend == (int)GPUBackend::OPENGL;
SDL_SetWindowTitle(window, (app_name_nice + " " + PPSSPP_GIT_VERSION).c_str());
// Since we render from the main thread, there's nothing done here, but we call it to avoid confusion.
if (!graphicsContext->InitFromRenderThread(&error_message)) {
printf("Init from thread error: '%s'\n", error_message.c_str());
}
#ifdef MOBILE_DEVICE
SDL_ShowCursor(SDL_DISABLE);
#endif
if (!useEmuThread) {
NativeInitGraphics(graphicsContext);
NativeResized();
}
SDL_AudioSpec fmt, ret_fmt;
memset(&fmt, 0, sizeof(fmt));
fmt.freq = 44100;
fmt.format = AUDIO_S16;
fmt.channels = 2;
fmt.samples = 2048;
fmt.callback = &mixaudio;
fmt.userdata = (void *)0;
if (SDL_OpenAudio(&fmt, &ret_fmt) < 0) {
ELOG("Failed to open audio: %s", SDL_GetError());
} else {
if (ret_fmt.samples != fmt.samples) // Notify, but still use it
ELOG("Output audio samples: %d (requested: %d)", ret_fmt.samples, fmt.samples);
if (ret_fmt.freq != fmt.freq || ret_fmt.format != fmt.format || ret_fmt.channels != fmt.channels) {
ELOG("Sound buffer format does not match requested format.");
ELOG("Output audio freq: %d (requested: %d)", ret_fmt.freq, fmt.freq);
ELOG("Output audio format: %d (requested: %d)", ret_fmt.format, fmt.format);
ELOG("Output audio channels: %d (requested: %d)", ret_fmt.channels, fmt.channels);
ELOG("Provided output format does not match requirement, turning audio off");
SDL_CloseAudio();
}
}
// Audio must be unpaused _after_ NativeInit()
SDL_PauseAudio(0);
if (joystick_enabled) {
joystick = new SDLJoystick();
} else {
joystick = nullptr;
}
EnableFZ();
int framecount = 0;
bool mouseDown = false;
if (useEmuThread) {
EmuThreadStart(graphicsContext);
}
graphicsContext->ThreadStart();
while (true) {
SDL_Event event;
while (SDL_PollEvent(&event)) {
float mx = event.motion.x * g_dpi_scale_x;
float my = event.motion.y * g_dpi_scale_y;
switch (event.type) {
case SDL_QUIT:
g_QuitRequested = 1;
break;
#if !defined(MOBILE_DEVICE)
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_RESIZED:
{
Uint32 window_flags = SDL_GetWindowFlags(window);
bool fullscreen = (window_flags & SDL_WINDOW_FULLSCREEN);
pixel_xres = event.window.data1;
pixel_yres = event.window.data2;
dp_xres = (float)pixel_xres * dpi_scale;
dp_yres = (float)pixel_yres * dpi_scale;
NativeResized();
// Set variable here in case fullscreen was toggled by hotkey
g_Config.bFullScreen = fullscreen;
// Hide/Show cursor correctly toggling fullscreen
if (lastUIState == UISTATE_INGAME && fullscreen && !g_Config.bShowTouchControls) {
SDL_ShowCursor(SDL_DISABLE);
} else if (lastUIState != UISTATE_INGAME || !fullscreen) {
SDL_ShowCursor(SDL_ENABLE);
}
break;
}
default:
break;
}
break;
#endif
case SDL_KEYDOWN:
{
if (event.key.repeat > 0) { break;}
int k = event.key.keysym.sym;
KeyInput key;
key.flags = KEY_DOWN;
auto mapped = KeyMapRawSDLtoNative.find(k);
if (mapped == KeyMapRawSDLtoNative.end() || mapped->second == NKCODE_UNKNOWN) {
break;
}
key.keyCode = mapped->second;
key.deviceId = DEVICE_ID_KEYBOARD;
NativeKey(key);
break;
}
case SDL_KEYUP:
{
if (event.key.repeat > 0) { break;}
int k = event.key.keysym.sym;
KeyInput key;
key.flags = KEY_UP;
auto mapped = KeyMapRawSDLtoNative.find(k);
if (mapped == KeyMapRawSDLtoNative.end() || mapped->second == NKCODE_UNKNOWN) {
break;
}
key.keyCode = mapped->second;
key.deviceId = DEVICE_ID_KEYBOARD;
NativeKey(key);
break;
}
case SDL_TEXTINPUT:
{
int pos = 0;
int c = u8_nextchar(event.text.text, &pos);
KeyInput key;
key.flags = KEY_CHAR;
key.keyCode = c;
key.deviceId = DEVICE_ID_KEYBOARD;
NativeKey(key);
break;
}
case SDL_MOUSEBUTTONDOWN:
switch (event.button.button) {
case SDL_BUTTON_LEFT:
{
mouseDown = true;
TouchInput input;
input.x = mx;
input.y = my;
input.flags = TOUCH_DOWN | TOUCH_MOUSE;
input.id = 0;
NativeTouch(input);
KeyInput key(DEVICE_ID_MOUSE, NKCODE_EXT_MOUSEBUTTON_1, KEY_DOWN);
NativeKey(key);
}
break;
case SDL_BUTTON_RIGHT:
{
KeyInput key(DEVICE_ID_MOUSE, NKCODE_EXT_MOUSEBUTTON_2, KEY_DOWN);
NativeKey(key);
}
break;
}
break;
case SDL_MOUSEWHEEL:
{
KeyInput key;
key.deviceId = DEVICE_ID_MOUSE;
if (event.wheel.y > 0) {
key.keyCode = NKCODE_EXT_MOUSEWHEEL_UP;
} else {
key.keyCode = NKCODE_EXT_MOUSEWHEEL_DOWN;
}
key.flags = KEY_DOWN;
NativeKey(key);
// SDL2 doesn't consider the mousewheel a button anymore
// so let's send the KEY_UP right away.
// Maybe KEY_UP alone will suffice?
key.flags = KEY_UP;
NativeKey(key);
}
case SDL_MOUSEMOTION:
if (mouseDown) {
TouchInput input;
input.x = mx;
input.y = my;
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;
}