int
SDL_VideoModeOK(int width, int height, int bpp, Uint32 flags)
{
int i, actual_bpp = 0;
if (!SDL_GetVideoDevice()) {
return 0;
}
if (!(flags & SDL_FULLSCREEN)) {
SDL_DisplayMode mode;
SDL_GetDesktopDisplayMode(GetVideoDisplay(), &mode);
return SDL_BITSPERPIXEL(mode.format);
}
for (i = 0; i < SDL_GetNumDisplayModes(GetVideoDisplay()); ++i) {
SDL_DisplayMode mode;
SDL_GetDisplayMode(GetVideoDisplay(), i, &mode);
if (!mode.w || !mode.h || (width == mode.w && height == mode.h)) {
if (!mode.format) {
return bpp;
}
if (SDL_BITSPERPIXEL(mode.format) >= (Uint32) bpp) {
actual_bpp = SDL_BITSPERPIXEL(mode.format);
}
}
}
return actual_bpp;
}
static int
X11_SafetyNetErrHandler(Display * d, XErrorEvent * e)
{
SDL_VideoDevice *device = NULL;
/* if we trigger an error in our error handler, don't try again. */
if (!safety_net_triggered) {
safety_net_triggered = SDL_TRUE;
device = SDL_GetVideoDevice();
if (device != NULL) {
int i;
for (i = 0; i < device->num_displays; i++) {
SDL_VideoDisplay *display = &device->displays[i];
if (SDL_memcmp(&display->current_mode, &display->desktop_mode,
sizeof (SDL_DisplayMode)) != 0) {
X11_SetDisplayMode(device, display, &display->desktop_mode);
}
}
}
}
if (orig_x11_errhandler != NULL) {
return orig_x11_errhandler(d, e); /* probably terminate. */
}
return 0;
}
static int
X11_ShowCursor(SDL_Cursor * cursor)
{
Cursor x11_cursor = 0;
if (cursor) {
x11_cursor = (Cursor)cursor->driverdata;
} else {
x11_cursor = X11_CreateEmptyCursor();
}
/* FIXME: Is there a better way than this? */
{
SDL_VideoDevice *video = SDL_GetVideoDevice();
Display *display = GetDisplay();
SDL_Window *window;
SDL_WindowData *data;
for (window = video->windows; window; window = window->next) {
data = (SDL_WindowData *)window->driverdata;
if (x11_cursor != None) {
X11_XDefineCursor(display, data->xwindow, x11_cursor);
} else {
X11_XUndefineCursor(display, data->xwindow);
}
}
X11_XFlush(display);
}
return 0;
}
int Wayland_input_lock_pointer(struct SDL_WaylandInput *input)
{
SDL_VideoDevice *vd = SDL_GetVideoDevice();
SDL_VideoData *d = input->display;
SDL_Window *window;
struct zwp_relative_pointer_v1 *relative_pointer;
if (!d->relative_pointer_manager)
return -1;
if (!d->pointer_constraints)
return -1;
if (!input->relative_pointer) {
relative_pointer =
zwp_relative_pointer_manager_v1_get_relative_pointer(
d->relative_pointer_manager,
input->pointer);
zwp_relative_pointer_v1_add_listener(relative_pointer,
&relative_pointer_listener,
input);
input->relative_pointer = relative_pointer;
}
for (window = vd->windows; window; window = window->next)
lock_pointer_to_window(window, input);
d->relative_mouse_mode = 1;
return 0;
}
static int
MIR_ShowCursor(SDL_Cursor* cursor)
{
MIR_Data* mir_data = (MIR_Data*)SDL_GetVideoDevice()->driverdata;
MIR_Window* mir_window = mir_data->current_window;
if (cursor && cursor->driverdata) {
if (mir_window && MIR_mir_window_is_valid(mir_window->window)) {
MIR_Cursor* mir_cursor = (MIR_Cursor*)cursor->driverdata;
if (mir_cursor->name != NULL) {
MirWindowSpec* spec = MIR_mir_create_window_spec(mir_data->connection);
MIR_mir_window_spec_set_cursor_name(spec, mir_cursor->name);
MIR_mir_window_apply_spec(mir_window->window, spec);
MIR_mir_window_spec_release(spec);
}
if (mir_cursor->conf) {
MIR_mir_window_configure_cursor(mir_window->window, mir_cursor->conf);
}
}
}
else if(mir_window && MIR_mir_window_is_valid(mir_window->window)) {
MIR_mir_window_configure_cursor(mir_window->window, NULL);
}
return 0;
}
static SDL_Cursor*
MIR_CreateCursor(SDL_Surface* surface, int hot_x, int hot_y)
{
MirCursorConfiguration* conf;
MirBufferStream* stream;
int s_w = surface->w;
int s_h = surface->h;
MIR_Data* mir_data = (MIR_Data*)SDL_GetVideoDevice()->driverdata;
SDL_Cursor* cursor = MIR_CreateDefaultCursor();
MIR_Cursor* mir_cursor;
if (!cursor) {
return NULL;
}
mir_cursor = (MIR_Cursor*)cursor->driverdata;
stream = MIR_mir_connection_create_buffer_stream_sync(mir_data->connection,
s_w, s_h, mir_data->pixel_format,
mir_buffer_usage_software);
conf = MIR_mir_cursor_configuration_from_buffer_stream(stream, hot_x, hot_y);
CopySurfacePixelsToMirStream(surface, stream);
MIR_mir_buffer_stream_swap_buffers_sync(stream);
mir_cursor->conf = conf;
mir_cursor->stream = stream;
return cursor;
}
int
SDL_GetGammaRamp(Uint16 * red, Uint16 * green, Uint16 * blue)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
if (!_this) {
SDL_UninitializedVideo();
return -1;
}
return SDL_GetGammaRampForDisplay(SDL_CurrentDisplay, red, green, blue);
}
/* Run the system dependent event loops */
void SDL_PumpEvents(void)
{
if (!SDL_EventThread) {
SDL_VideoDevice *_this = SDL_GetVideoDevice();
/* Get events from the video subsystem */
if (_this) {
_this->PumpEvents(_this);
}
}
}
static SDL_Cursor *
DirectFB_CreateDefaultCursor(void)
{
SDL_VideoDevice *dev = SDL_GetVideoDevice();
SDL_DFB_DEVICEDATA(dev);
DFB_CursorData *curdata;
DFBResult ret;
DFBSurfaceDescription dsc;
SDL_Cursor *cursor;
Uint32 *dest;
Uint32 *p;
int pitch, i, j;
SDL_DFB_ALLOC_CLEAR( cursor, sizeof(*cursor));
SDL_DFB_ALLOC_CLEAR(curdata, sizeof(*curdata));
dsc.flags =
DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
dsc.caps = DSCAPS_VIDEOONLY;
dsc.width = 32;
dsc.height = 32;
dsc.pixelformat = DSPF_ARGB;
SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,
&curdata->surf));
curdata->hotx = 0;
curdata->hoty = 0;
cursor->driverdata = curdata;
SDL_DFB_CHECKERR(curdata->surf->Lock(curdata->surf, DSLF_WRITE,
(void *) &dest, &pitch));
/* Relies on the fact that this is only called with ARGB surface. */
for (i = 0; i < 32; i++)
{
for (j = 0; j < 32; j++)
{
switch (arrow[i][j])
{
case ' ': dest[j] = 0x00000000; break;
case '.': dest[j] = 0xffffffff; break;
case 'X': dest[j] = 0xff000000; break;
}
}
dest += (pitch >> 2);
}
curdata->surf->Unlock(curdata->surf);
return cursor;
error:
return NULL;
}
void AndroidPreCreateWindow() {
// Apply scaler setting prior creating surface
if (g_android_scaler_resolution.x() && g_android_scaler_resolution.y()) {
// Initialize OpenGL function pointers inside SDL
if (SDL_GL_LoadLibrary(NULL) < 0) {
SDL_LogError(SDL_LOG_CATEGORY_ERROR,
"couldn't initialize OpenGL library\n");
}
// Hook eglCreateWindowSurface call
SDL_VideoDevice* device = SDL_GetVideoDevice();
device->egl_data->eglCreateWindowSurface = HookEglCreateWindowSurface;
}
}
int
SDL_GetGammaRampForDisplay(SDL_VideoDisplay * display, Uint16 * red, Uint16 * green, Uint16 * blue)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
if (!_this) {
SDL_UninitializedVideo();
return -1;
}
/* Lazily allocate the gamma table */
if (!display->gamma) {
size_t rampsize = (3 * 256 * sizeof(*display->gamma));
display->gamma = SDL_malloc(rampsize * 2);
if (!display->gamma) {
SDL_OutOfMemory();
return -1;
}
if (_this && _this->GetDisplayGammaRamp) {
/* Get the real hardware gamma */
_this->GetDisplayGammaRamp(_this, display, display->gamma);
} else {
/* Assume an identity gamma */
int i;
for (i = 0; i < 256; ++i) {
display->gamma[0 * 256 + i] = (i << 8) | i;
display->gamma[1 * 256 + i] = (i << 8) | i;
display->gamma[2 * 256 + i] = (i << 8) | i;
}
}
display->saved_gamma = display->gamma + (3 * 256);
SDL_memcpy(display->saved_gamma, display->gamma, rampsize);
}
/* Just copy from our internal table */
if (red) {
SDL_memcpy(red, &display->gamma[0 * 256], 256 * sizeof(*red));
}
if (green) {
SDL_memcpy(green, &display->gamma[1 * 256], 256 * sizeof(*green));
}
if (blue) {
SDL_memcpy(blue, &display->gamma[2 * 256], 256 * sizeof(*blue));
}
return 0;
}
/* Create a cursor from a surface */
static SDL_Cursor *
DirectFB_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
{
SDL_VideoDevice *dev = SDL_GetVideoDevice();
SDL_DFB_DEVICEDATA(dev);
DFB_CursorData *curdata;
DFBResult ret;
DFBSurfaceDescription dsc;
SDL_Cursor *cursor;
Uint32 *dest;
Uint32 *p;
int pitch, i;
SDL_assert(surface->format->format == SDL_PIXELFORMAT_ARGB8888);
SDL_assert(surface->pitch == surface->w * 4);
SDL_DFB_ALLOC_CLEAR( cursor, sizeof(*cursor));
SDL_DFB_ALLOC_CLEAR(curdata, sizeof(*curdata));
dsc.flags =
DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
dsc.caps = DSCAPS_VIDEOONLY;
dsc.width = surface->w;
dsc.height = surface->h;
dsc.pixelformat = DSPF_ARGB;
SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,
&curdata->surf));
curdata->hotx = hot_x;
curdata->hoty = hot_y;
cursor->driverdata = curdata;
SDL_DFB_CHECKERR(curdata->surf->Lock(curdata->surf, DSLF_WRITE,
(void *) &dest, &pitch));
p = surface->pixels;
for (i = 0; i < surface->h; i++)
memcpy((char *) dest + i * pitch,
(char *) p + i * surface->pitch, 4 * surface->w);
curdata->surf->Unlock(curdata->surf);
return cursor;
error:
return NULL;
}
void
SDL_MoveCursor(int x, int y)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
/* Erase and update the current mouse position */
if (SHOULD_DRAWCURSOR(SDL_cursorstate)) {
/* Erase and redraw mouse cursor in new position */
SDL_LockCursor();
SDL_EraseCursor(SDL_VideoSurface);
SDL_cursor->area.x = (x - SDL_cursor->hot_x);
SDL_cursor->area.y = (y - SDL_cursor->hot_y);
SDL_DrawCursor(SDL_VideoSurface);
SDL_UnlockCursor();
} else if (_this->MoveWMCursor) {
_this->MoveWMCursor(_this, x, y);
}
}
/* Run the system dependent event loops */
void
SDL_PumpEvents(void)
{
if (!SDL_EventThread) {
SDL_VideoDevice *_this = SDL_GetVideoDevice();
/* Get events from the video subsystem */
if (_this) {
_this->PumpEvents(_this);
}
#if !SDL_JOYSTICK_DISABLED
/* Check for joystick state change */
if (SDL_numjoysticks && (SDL_eventstate & SDL_JOYEVENTMASK)) {
SDL_JoystickUpdate();
}
#endif
}
}
void
Android_SetScreenResolution(int width, int height, Uint32 format, float rate)
{
static int times = 0;
posix_print("#%i, Android_SetScreenResolution------(%ix%i), format: 0x%08x, rate: %7.2f, Android_Window: %p\n",
times, width, height, format, rate, Android_Window);
SDL_VideoDevice* device;
SDL_VideoDisplay *display;
Android_ScreenWidth = width;
Android_ScreenHeight = height;
Android_ScreenFormat = format;
Android_ScreenRate = rate;
/*
Update the resolution of the desktop mode, so that the window
can be properly resized. The screen resolution change can for
example happen when the Activity enters or exists immersive mode,
which can happen after VideoInit().
*/
device = SDL_GetVideoDevice();
if (device && device->num_displays > 0)
{
display = &device->displays[0];
display->desktop_mode.format = Android_ScreenFormat;
display->desktop_mode.w = Android_ScreenWidth;
display->desktop_mode.h = Android_ScreenHeight;
display->desktop_mode.refresh_rate = Android_ScreenRate;
}
if (Android_Window) {
SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_RESIZED, width, height);
/* Force the current mode to match the resize otherwise the SDL_WINDOWEVENT_RESTORED event
* will fall back to the old mode */
display = SDL_GetDisplayForWindow(Android_Window);
display->current_mode.format = format;
display->current_mode.w = width;
display->current_mode.h = height;
display->current_mode.refresh_rate = rate;
}
times ++;
}
int
SDL_SetGammaRampForDisplay(SDL_VideoDisplay * display, const Uint16 * red, const Uint16 * green, const Uint16 * blue)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
int succeeded;
if (!_this) {
SDL_UninitializedVideo();
return -1;
}
/* Lazily allocate the gamma tables */
if (!display->gamma) {
if (SDL_GetGammaRampForDisplay(display, NULL, NULL, NULL) < 0) {
return -1;
}
}
/* Fill the gamma table with the new values */
if (red) {
SDL_memcpy(&display->gamma[0 * 256], red, 256 * sizeof(*display->gamma));
}
if (green) {
SDL_memcpy(&display->gamma[1 * 256], green, 256 * sizeof(*display->gamma));
}
if (blue) {
SDL_memcpy(&display->gamma[2 * 256], blue, 256 * sizeof(*display->gamma));
}
/* Try to set the gamma ramp in the driver */
succeeded = -1;
if (_this && _this->SetDisplayGammaRamp) {
if (SDL_GetFocusWindow()) {
succeeded =
_this->SetDisplayGammaRamp(_this, display, display->gamma);
} else {
succeeded = 0;
}
} else {
SDL_SetError("Gamma ramp manipulation not supported");
}
return succeeded;
}
static int SDLCALL
SDL_GobbleEvents(void *unused)
{
event_thread = SDL_ThreadID();
while (SDL_EventQ.active) {
SDL_VideoDevice *_this = SDL_GetVideoDevice();
/* Get events from the video subsystem */
if (_this) {
_this->PumpEvents(_this);
}
#if !SDL_JOYSTICK_DISABLED
/* Check for joystick state change */
if (SDL_numjoysticks && (SDL_eventstate & SDL_JOYEVENTMASK)) {
SDL_JoystickUpdate();
}
#endif
/* Give up the CPU for the rest of our timeslice */
SDL_EventLock.safe = 1;
if (SDL_timer_running) {
SDL_ThreadedTimerCheck();
}
SDL_Delay(1);
/* Check for event locking.
On the P of the lock mutex, if the lock is held, this thread
will wait until the lock is released before continuing. The
safe flag will be set, meaning that the other thread can go
about it's business. The safe flag is reset before the V,
so as soon as the mutex is free, other threads can see that
it's not safe to interfere with the event thread.
*/
SDL_mutexP(SDL_EventLock.lock);
SDL_EventLock.safe = 0;
SDL_mutexV(SDL_EventLock.lock);
}
SDL_SetTimerThreaded(0);
event_thread = 0;
return (0);
}
int Wayland_input_unlock_pointer(struct SDL_WaylandInput *input)
{
SDL_VideoDevice *vd = SDL_GetVideoDevice();
SDL_VideoData *d = input->display;
SDL_Window *window;
SDL_WindowData *w;
for (window = vd->windows; window; window = window->next) {
w = window->driverdata;
if (w->locked_pointer)
zwp_locked_pointer_v1_destroy(w->locked_pointer);
w->locked_pointer = NULL;
}
zwp_relative_pointer_v1_destroy(input->relative_pointer);
input->relative_pointer = NULL;
d->relative_mouse_mode = 0;
return 0;
}
int
SDL_SetWindowShape(SDL_Window *window,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode) {
int result;
if(window == NULL || !SDL_IsShapedWindow(window))
//The window given was not a shapeable window.
return SDL_NONSHAPEABLE_WINDOW;
if(shape == NULL)
//Invalid shape argument.
return SDL_INVALID_SHAPE_ARGUMENT;
if(shape_mode != NULL)
window->shaper->mode = *shape_mode;
result = SDL_GetVideoDevice()->shape_driver.SetWindowShape(window->shaper,shape,shape_mode);
window->shaper->hasshape = SDL_TRUE;
if(window->shaper->userx != 0 && window->shaper->usery != 0) {
SDL_SetWindowPosition(window,window->shaper->userx,window->shaper->usery);
window->shaper->userx = 0;
window->shaper->usery = 0;
}
return result;
}
SDL_Window*
SDL_CreateShapedWindow(const char *title,unsigned int x,unsigned int y,unsigned int w,unsigned int h,Uint32 flags) {
SDL_Window *result = NULL;
result = SDL_CreateWindow(title,-1000,-1000,w,h,(flags | SDL_WINDOW_BORDERLESS) & (~SDL_WINDOW_FULLSCREEN) & (~SDL_WINDOW_RESIZABLE) /*& (~SDL_WINDOW_SHOWN)*/);
if(result != NULL) {
result->shaper = SDL_GetVideoDevice()->shape_driver.CreateShaper(result);
if(result->shaper != NULL) {
result->shaper->userx = x;
result->shaper->usery = y;
result->shaper->mode.mode = ShapeModeDefault;
result->shaper->mode.parameters.binarizationCutoff = 1;
result->shaper->hasshape = SDL_FALSE;
return result;
}
else {
SDL_DestroyWindow(result);
return NULL;
}
}
else
return NULL;
}
void ZL_SetFullscreen(bool toFullscreen)
{
#if 0 //#ifndef ZL_USE_EXTERNAL_SDL
SDL_VideoDevice *device = SDL_GetVideoDevice();
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(ZL_SDL_Window);
if (toFullscreen)
{
ZL_SDL_Window->flags |= SDL_WINDOW_FULLSCREEN;
ZL_SDL_Window->x = 0;
ZL_SDL_Window->y = 0;
ZL_SDL_Window->w = display->desktop_mode.w;
ZL_SDL_Window->h = display->desktop_mode.h;
device->SetWindowSize(device, ZL_SDL_Window);
}
else
{
ZL_SDL_Window->flags &= ~SDL_WINDOW_FULLSCREEN;
ZL_SDL_Window->x = ZL_SDL_Window->windowed.x;
ZL_SDL_Window->y = ZL_SDL_Window->windowed.y;
ZL_SDL_Window->w = ZL_SDL_Window->windowed.w;
ZL_SDL_Window->h = ZL_SDL_Window->windowed.h;
}
device->SetWindowFullscreen(device, ZL_SDL_Window, display, (SDL_bool)toFullscreen);
if(toFullscreen) SDL_OnWindowResized(ZL_SDL_Window);
else SDL_SetWindowSize(ZL_SDL_Window, ZL_SDL_Window->windowed.w, ZL_SDL_Window->windowed.h);
#else
if (toFullscreen)
{
SDL_SetWindowFullscreen(ZL_SDL_Window, SDL_WINDOW_FULLSCREEN_DESKTOP);
}
else
{
SDL_SetWindowFullscreen(ZL_SDL_Window, 0);
SDL_SetWindowSize(ZL_SDL_Window, ZL_SDL_Window->windowed.w, ZL_SDL_Window->windowed.h);
}
#endif
}
void
SDL_MouseRect(SDL_Rect * area)
{
SDL_VideoDevice *_this = SDL_GetVideoDevice();
int clip_diff;
*area = SDL_cursor->area;
if (area->x < 0) {
area->w += area->x;
area->x = 0;
}
if (area->y < 0) {
area->h += area->y;
area->y = 0;
}
clip_diff = (area->x + area->w) - SDL_VideoSurface->w;
if (clip_diff > 0) {
area->w = area->w < clip_diff ? 0 : area->w - clip_diff;
}
clip_diff = (area->y + area->h) - SDL_VideoSurface->h;
if (clip_diff > 0) {
area->h = area->h < clip_diff ? 0 : area->h - clip_diff;
}
}
static Display *
GetDisplay(void)
{
return ((SDL_VideoData *)SDL_GetVideoDevice()->driverdata)->display;
}
SDL_Surface *
SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
{
SDL_DisplayMode desktop_mode;
SDL_DisplayMode mode;
int window_x = SDL_WINDOWPOS_UNDEFINED;
int window_y = SDL_WINDOWPOS_UNDEFINED;
Uint32 window_flags;
Uint32 desktop_format;
Uint32 desired_format;
Uint32 surface_flags;
if (!SDL_GetVideoDevice()) {
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) {
return NULL;
}
}
SDL_GetDesktopDisplayMode(&desktop_mode);
if (width == 0) {
width = desktop_mode.w;
}
if (height == 0) {
height = desktop_mode.h;
}
/* See if we can simply resize the existing window and surface */
if (SDL_ResizeVideoMode(width, height, bpp, flags) == 0) {
return SDL_PublicSurface;
}
/* Destroy existing window */
SDL_PublicSurface = NULL;
if (SDL_ShadowSurface) {
SDL_FreeSurface(SDL_ShadowSurface);
SDL_ShadowSurface = NULL;
}
if (SDL_VideoSurface) {
SDL_DelPaletteWatch(SDL_VideoSurface->format->palette,
SDL_VideoPaletteChanged, NULL);
SDL_FreeSurface(SDL_VideoSurface);
SDL_VideoSurface = NULL;
}
if (SDL_VideoContext) {
/* SDL_GL_MakeCurrent(0, NULL); *//* Doesn't do anything */
SDL_GL_DeleteContext(SDL_VideoContext);
SDL_VideoContext = NULL;
}
if (SDL_VideoWindow) {
SDL_GetWindowPosition(SDL_VideoWindow, &window_x, &window_y);
SDL_DestroyWindow(SDL_VideoWindow);
}
/* Set up the event filter */
if (!SDL_GetEventFilter(NULL, NULL)) {
SDL_SetEventFilter(SDL_CompatEventFilter, NULL);
}
/* Create a new window */
window_flags = SDL_WINDOW_SHOWN;
if (flags & SDL_FULLSCREEN) {
window_flags |= SDL_WINDOW_FULLSCREEN;
}
if (flags & SDL_OPENGL) {
window_flags |= SDL_WINDOW_OPENGL;
}
if (flags & SDL_RESIZABLE) {
window_flags |= SDL_WINDOW_RESIZABLE;
}
if (flags & SDL_NOFRAME) {
window_flags |= SDL_WINDOW_BORDERLESS;
}
GetEnvironmentWindowPosition(width, height, &window_x, &window_y);
SDL_SetFullscreenDisplayMode(NULL);
SDL_VideoWindow =
SDL_CreateWindow(wm_title, window_x, window_y, width, height,
window_flags);
if (!SDL_VideoWindow) {
return NULL;
}
SDL_SetWindowIcon(SDL_VideoWindow, SDL_VideoIcon);
window_flags = SDL_GetWindowFlags(SDL_VideoWindow);
surface_flags = 0;
if (window_flags & SDL_WINDOW_FULLSCREEN) {
surface_flags |= SDL_FULLSCREEN;
}
if (window_flags & SDL_WINDOW_OPENGL) {
surface_flags |= SDL_OPENGL;
}
if (window_flags & SDL_WINDOW_RESIZABLE) {
surface_flags |= SDL_RESIZABLE;
}
if (window_flags & SDL_WINDOW_BORDERLESS) {
surface_flags |= SDL_NOFRAME;
}
/* Set up the desired display mode */
desktop_format = desktop_mode.format;
if (desktop_format && ((flags & SDL_ANYFORMAT)
|| (bpp == SDL_BITSPERPIXEL(desktop_format)))) {
desired_format = desktop_format;
} else {
switch (bpp) {
case 0:
if (desktop_format) {
desired_format = desktop_format;
} else {
desired_format = SDL_PIXELFORMAT_RGB888;
}
bpp = SDL_BITSPERPIXEL(desired_format);
break;
case 8:
desired_format = SDL_PIXELFORMAT_INDEX8;
break;
case 15:
desired_format = SDL_PIXELFORMAT_RGB555;
break;
case 16:
desired_format = SDL_PIXELFORMAT_RGB565;
break;
case 24:
desired_format = SDL_PIXELFORMAT_RGB24;
break;
case 32:
desired_format = SDL_PIXELFORMAT_RGB888;
break;
default:
SDL_SetError("Unsupported bpp in SDL_SetVideoMode()");
return NULL;
}
}
mode.format = desired_format;
mode.w = width;
mode.h = height;
mode.refresh_rate = 0;
/* Set the desired display mode */
if (flags & SDL_FULLSCREEN) {
if (SDL_SetFullscreenDisplayMode(&mode) < 0) {
return NULL;
}
}
/* If we're in OpenGL mode, just create a stub surface and we're done! */
if (flags & SDL_OPENGL) {
SDL_VideoContext = SDL_GL_CreateContext(SDL_VideoWindow);
if (!SDL_VideoContext) {
return NULL;
}
if (SDL_GL_MakeCurrent(SDL_VideoWindow, SDL_VideoContext) < 0) {
return NULL;
}
SDL_VideoSurface =
SDL_CreateRGBSurfaceFrom(NULL, width, height, bpp, 0, 0, 0, 0, 0);
if (!SDL_VideoSurface) {
return NULL;
}
SDL_VideoSurface->flags |= surface_flags;
SDL_PublicSurface = SDL_VideoSurface;
return SDL_PublicSurface;
}
/* Create a renderer for the window */
if (SDL_CreateRenderer
(SDL_VideoWindow, -1,
SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD) < 0) {
return NULL;
}
SDL_GetRendererInfo(&SDL_VideoRendererInfo);
/* Create a texture for the screen surface */
SDL_VideoTexture =
SDL_CreateTexture(desired_format, SDL_TEXTUREACCESS_STREAMING, width,
height);
if (!SDL_VideoTexture) {
SDL_VideoTexture =
SDL_CreateTexture(desktop_format,
SDL_TEXTUREACCESS_STREAMING, width, height);
}
if (!SDL_VideoTexture) {
return NULL;
}
/* Create the screen surface */
SDL_VideoSurface = CreateVideoSurface(SDL_VideoTexture);
if (!SDL_VideoSurface) {
return NULL;
}
SDL_VideoSurface->flags |= surface_flags;
/* Set a default screen palette */
if (SDL_VideoSurface->format->palette) {
SDL_VideoSurface->flags |= SDL_HWPALETTE;
SDL_DitherColors(SDL_VideoSurface->format->palette->colors,
SDL_VideoSurface->format->BitsPerPixel);
SDL_AddPaletteWatch(SDL_VideoSurface->format->palette,
SDL_VideoPaletteChanged, SDL_VideoSurface);
SDL_SetPaletteColors(SDL_VideoSurface->format->palette,
SDL_VideoSurface->format->palette->colors, 0,
SDL_VideoSurface->format->palette->ncolors);
}
/* Create a shadow surface if necessary */
if ((bpp != SDL_VideoSurface->format->BitsPerPixel)
&& !(flags & SDL_ANYFORMAT)) {
SDL_ShadowSurface =
SDL_CreateRGBSurface(0, width, height, bpp, 0, 0, 0, 0);
if (!SDL_ShadowSurface) {
return NULL;
}
SDL_ShadowSurface->flags |= surface_flags;
/* 8-bit SDL_ShadowSurface surfaces report that they have exclusive palette */
if (SDL_ShadowSurface->format->palette) {
SDL_ShadowSurface->flags |= SDL_HWPALETTE;
if (SDL_VideoSurface->format->palette) {
SDL_SetSurfacePalette(SDL_ShadowSurface,
SDL_VideoSurface->format->palette);
} else {
SDL_DitherColors(SDL_ShadowSurface->format->palette->colors,
SDL_ShadowSurface->format->BitsPerPixel);
}
SDL_AddPaletteWatch(SDL_ShadowSurface->format->palette,
SDL_VideoPaletteChanged, SDL_ShadowSurface);
}
}
SDL_PublicSurface =
(SDL_ShadowSurface ? SDL_ShadowSurface : SDL_VideoSurface);
SDL_VideoFlags = flags;
ClearVideoSurface();
SetupScreenSaver(flags);
/* We're finally done! */
return SDL_PublicSurface;
}
/* Create and set up our X11 dialog box indow. */
static int
X11_MessageBoxCreateWindow( SDL_MessageBoxDataX11 *data )
{
int x, y;
XSizeHints *sizehints;
XSetWindowAttributes wnd_attr;
Atom _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DIALOG, _NET_WM_NAME, UTF8_STRING;
Display *display = data->display;
SDL_WindowData *windowdata = NULL;
const SDL_MessageBoxData *messageboxdata = data->messageboxdata;
if ( messageboxdata->window ) {
SDL_DisplayData *displaydata =
(SDL_DisplayData *) SDL_GetDisplayForWindow(messageboxdata->window)->driverdata;
windowdata = (SDL_WindowData *)messageboxdata->window->driverdata;
data->screen = displaydata->screen;
} else {
data->screen = DefaultScreen( display );
}
data->event_mask = ExposureMask |
ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask |
StructureNotifyMask | FocusChangeMask | PointerMotionMask;
wnd_attr.event_mask = data->event_mask;
data->window = X11_XCreateWindow(
display, RootWindow(display, data->screen),
0, 0,
data->dialog_width, data->dialog_height,
0, CopyFromParent, InputOutput, CopyFromParent,
CWEventMask, &wnd_attr );
if ( data->window == None ) {
return SDL_SetError("Couldn't create X window");
}
if ( windowdata ) {
/* http://tronche.com/gui/x/icccm/sec-4.html#WM_TRANSIENT_FOR */
X11_XSetTransientForHint( display, data->window, windowdata->xwindow );
}
X11_XStoreName( display, data->window, messageboxdata->title );
_NET_WM_NAME = X11_XInternAtom(display, "_NET_WM_NAME", False);
UTF8_STRING = X11_XInternAtom(display, "UTF8_STRING", False);
X11_XChangeProperty(display, data->window, _NET_WM_NAME, UTF8_STRING, 8,
PropModeReplace, (unsigned char *) messageboxdata->title,
strlen(messageboxdata->title) + 1 );
/* Let the window manager know this is a dialog box */
_NET_WM_WINDOW_TYPE = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
_NET_WM_WINDOW_TYPE_DIALOG = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE_DIALOG", False);
X11_XChangeProperty(display, data->window, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
PropModeReplace,
(unsigned char *)&_NET_WM_WINDOW_TYPE_DIALOG, 1);
/* Allow the window to be deleted by the window manager */
data->wm_protocols = X11_XInternAtom( display, "WM_PROTOCOLS", False );
data->wm_delete_message = X11_XInternAtom( display, "WM_DELETE_WINDOW", False );
X11_XSetWMProtocols( display, data->window, &data->wm_delete_message, 1 );
if ( windowdata ) {
XWindowAttributes attrib;
Window dummy;
X11_XGetWindowAttributes(display, windowdata->xwindow, &attrib);
x = attrib.x + ( attrib.width - data->dialog_width ) / 2;
y = attrib.y + ( attrib.height - data->dialog_height ) / 3 ;
X11_XTranslateCoordinates(display, windowdata->xwindow, RootWindow(display, data->screen), x, y, &x, &y, &dummy);
} else {
const SDL_VideoDevice *dev = SDL_GetVideoDevice();
if ((dev) && (dev->displays) && (dev->num_displays > 0)) {
const SDL_VideoDisplay *dpy = &dev->displays[0];
const SDL_DisplayData *dpydata = (SDL_DisplayData *) dpy->driverdata;
x = dpydata->x + (( dpy->current_mode.w - data->dialog_width ) / 2);
y = dpydata->y + (( dpy->current_mode.h - data->dialog_height ) / 3);
} else { /* oh well. This will misposition on a multi-head setup. Init first next time. */
x = ( DisplayWidth( display, data->screen ) - data->dialog_width ) / 2;
y = ( DisplayHeight( display, data->screen ) - data->dialog_height ) / 3 ;
}
}
X11_XMoveWindow( display, data->window, x, y );
sizehints = X11_XAllocSizeHints();
if ( sizehints ) {
sizehints->flags = USPosition | USSize | PMaxSize | PMinSize;
sizehints->x = x;
sizehints->y = y;
sizehints->width = data->dialog_width;
sizehints->height = data->dialog_height;
sizehints->min_width = sizehints->max_width = data->dialog_width;
sizehints->min_height = sizehints->max_height = data->dialog_height;
X11_XSetWMNormalHints( display, data->window, sizehints );
X11_XFree( sizehints );
}
X11_XMapRaised( display, data->window );
#if SDL_VIDEO_DRIVER_X11_XDBE
/* Initialise a back buffer for double buffering */
if (SDL_X11_HAVE_XDBE) {
int xdbe_major, xdbe_minor;
if (X11_XdbeQueryExtension(display, &xdbe_major, &xdbe_minor) != 0) {
data->xdbe = SDL_TRUE;
data->buf = X11_XdbeAllocateBackBufferName(display, data->window, XdbeUndefined);
} else {
data->xdbe = SDL_FALSE;
}
}
#endif
return 0;
}
SDL_Surface *
SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
{
SDL_DisplayMode desktop_mode;
int display = GetVideoDisplay();
int window_x = SDL_WINDOWPOS_UNDEFINED_DISPLAY(display);
int window_y = SDL_WINDOWPOS_UNDEFINED_DISPLAY(display);
int window_w;
int window_h;
Uint32 window_flags;
Uint32 surface_flags;
if (!SDL_GetVideoDevice()) {
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) {
return NULL;
}
}
SDL_GetDesktopDisplayMode(display, &desktop_mode);
if (width == 0) {
width = desktop_mode.w;
}
if (height == 0) {
height = desktop_mode.h;
}
if (bpp == 0) {
bpp = SDL_BITSPERPIXEL(desktop_mode.format);
}
/* See if we can simply resize the existing window and surface */
if (SDL_ResizeVideoMode(width, height, bpp, flags) == 0) {
return SDL_PublicSurface;
}
/* Destroy existing window */
SDL_PublicSurface = NULL;
if (SDL_ShadowSurface) {
SDL_ShadowSurface->flags &= ~SDL_DONTFREE;
SDL_FreeSurface(SDL_ShadowSurface);
SDL_ShadowSurface = NULL;
}
if (SDL_VideoSurface) {
SDL_VideoSurface->flags &= ~SDL_DONTFREE;
SDL_FreeSurface(SDL_VideoSurface);
SDL_VideoSurface = NULL;
}
if (SDL_VideoContext) {
/* SDL_GL_MakeCurrent(0, NULL); *//* Doesn't do anything */
SDL_GL_DeleteContext(SDL_VideoContext);
SDL_VideoContext = NULL;
}
if (SDL_VideoWindow) {
SDL_GetWindowPosition(SDL_VideoWindow, &window_x, &window_y);
SDL_DestroyWindow(SDL_VideoWindow);
}
/* Set up the event filter */
if (!SDL_GetEventFilter(NULL, NULL)) {
SDL_SetEventFilter(SDL_CompatEventFilter, NULL);
}
/* Create a new window */
window_flags = SDL_WINDOW_SHOWN;
if (flags & SDL_FULLSCREEN) {
window_flags |= SDL_WINDOW_FULLSCREEN;
}
if (flags & SDL_OPENGL) {
window_flags |= SDL_WINDOW_OPENGL;
}
if (flags & SDL_RESIZABLE) {
window_flags |= SDL_WINDOW_RESIZABLE;
}
if (flags & SDL_NOFRAME) {
window_flags |= SDL_WINDOW_BORDERLESS;
}
GetEnvironmentWindowPosition(width, height, &window_x, &window_y);
SDL_VideoWindow =
SDL_CreateWindow(wm_title, window_x, window_y, width, height,
window_flags);
if (!SDL_VideoWindow) {
return NULL;
}
SDL_SetWindowIcon(SDL_VideoWindow, SDL_VideoIcon);
SetupScreenSaver(flags);
window_flags = SDL_GetWindowFlags(SDL_VideoWindow);
surface_flags = 0;
if (window_flags & SDL_WINDOW_FULLSCREEN) {
surface_flags |= SDL_FULLSCREEN;
}
if ((window_flags & SDL_WINDOW_OPENGL) && (flags & SDL_OPENGL)) {
surface_flags |= SDL_OPENGL;
}
if (window_flags & SDL_WINDOW_RESIZABLE) {
surface_flags |= SDL_RESIZABLE;
}
if (window_flags & SDL_WINDOW_BORDERLESS) {
surface_flags |= SDL_NOFRAME;
}
SDL_VideoFlags = flags;
/* If we're in OpenGL mode, just create a stub surface and we're done! */
if (flags & SDL_OPENGL) {
SDL_VideoContext = SDL_GL_CreateContext(SDL_VideoWindow);
if (!SDL_VideoContext) {
return NULL;
}
if (SDL_GL_MakeCurrent(SDL_VideoWindow, SDL_VideoContext) < 0) {
return NULL;
}
SDL_VideoSurface =
SDL_CreateRGBSurfaceFrom(NULL, width, height, bpp, 0, 0, 0, 0, 0);
if (!SDL_VideoSurface) {
return NULL;
}
SDL_VideoSurface->flags |= surface_flags;
SDL_PublicSurface = SDL_VideoSurface;
return SDL_PublicSurface;
}
/* Create the screen surface */
SDL_WindowSurface = SDL_GetWindowSurface(SDL_VideoWindow);
if (!SDL_WindowSurface) {
return NULL;
}
/* Center the public surface in the window surface */
SDL_GetWindowSize(SDL_VideoWindow, &window_w, &window_h);
SDL_VideoViewport.x = (window_w - width)/2;
SDL_VideoViewport.y = (window_h - height)/2;
SDL_VideoViewport.w = width;
SDL_VideoViewport.h = height;
SDL_VideoSurface = SDL_CreateRGBSurfaceFrom(NULL, 0, 0, 32, 0, 0, 0, 0, 0);
SDL_VideoSurface->flags |= surface_flags;
SDL_VideoSurface->flags |= SDL_DONTFREE;
SDL_FreeFormat(SDL_VideoSurface->format);
SDL_VideoSurface->format = SDL_WindowSurface->format;
SDL_VideoSurface->format->refcount++;
SDL_VideoSurface->w = width;
SDL_VideoSurface->h = height;
SDL_VideoSurface->pitch = SDL_WindowSurface->pitch;
SDL_VideoSurface->pixels = (void *)((Uint8 *)SDL_WindowSurface->pixels +
SDL_VideoViewport.y * SDL_VideoSurface->pitch +
SDL_VideoViewport.x * SDL_VideoSurface->format->BytesPerPixel);
SDL_SetClipRect(SDL_VideoSurface, NULL);
/* Create a shadow surface if necessary */
if ((bpp != SDL_VideoSurface->format->BitsPerPixel)
&& !(flags & SDL_ANYFORMAT)) {
SDL_ShadowSurface =
SDL_CreateRGBSurface(0, width, height, bpp, 0, 0, 0, 0);
if (!SDL_ShadowSurface) {
return NULL;
}
SDL_ShadowSurface->flags |= surface_flags;
SDL_ShadowSurface->flags |= SDL_DONTFREE;
/* 8-bit SDL_ShadowSurface surfaces report that they have exclusive palette */
if (SDL_ShadowSurface->format->palette) {
SDL_ShadowSurface->flags |= SDL_HWPALETTE;
SDL_DitherColors(SDL_ShadowSurface->format->palette->colors,
SDL_ShadowSurface->format->BitsPerPixel);
}
SDL_FillRect(SDL_ShadowSurface, NULL,
SDL_MapRGB(SDL_ShadowSurface->format, 0, 0, 0));
}
SDL_PublicSurface =
(SDL_ShadowSurface ? SDL_ShadowSurface : SDL_VideoSurface);
ClearVideoSurface();
/* We're finally done! */
return SDL_PublicSurface;
}
