void I_InitGraphics(void)
{
SDL_Event dummy;
byte *doompal;
int flags = 0;
char *env;
// Pass through the XSCREENSAVER_WINDOW environment variable to
// SDL_WINDOWID, to embed the SDL window into the Xscreensaver
// window.
env = getenv("XSCREENSAVER_WINDOW");
if (env != NULL)
{
char winenv[30];
int winid;
sscanf(env, "0x%x", &winid);
sprintf(winenv, "SDL_WINDOWID=%i", winid);
putenv(winenv);
}
SetSDLVideoDriver();
if (SDL_Init(SDL_INIT_VIDEO) < 0)
{
I_Error("Failed to initialize video: %s", SDL_GetError());
}
// Check for command-line video-related parameters.
CheckCommandLine();
doompal = W_CacheLumpName (DEH_String("PLAYPAL"),PU_CACHE);
if (screensaver_mode)
{
windowwidth = 0;
windowheight = 0;
}
else
{
if (autoadjust_video_settings)
{
I_AutoAdjustSettings();
}
windowwidth = screen_width;
windowheight = screen_height;
screen_mode = I_FindScreenMode(windowwidth, windowheight);
if (screen_mode == NULL)
{
I_Error("I_InitGraphics: Unable to find a screen mode small "
"enough for %ix%i", windowwidth, windowheight);
}
if (windowwidth != screen_mode->width
|| windowheight != screen_mode->height)
{
printf("I_InitGraphics: %s (%ix%i within %ix%i)\n",
WindowBoxType(screen_mode, windowwidth, windowheight),
screen_mode->width, screen_mode->height,
windowwidth, windowheight);
}
// Generate lookup tables before setting the video mode.
if (screen_mode->InitMode != NULL)
{
screen_mode->InitMode(doompal);
}
}
// Set up title and icon. Windows cares about the ordering; this
// has to be done before the call to SDL_SetVideoMode.
I_SetWindowCaption();
#if !SDL_VERSION_ATLEAST(1, 3, 0)
I_SetWindowIcon();
#endif
// Set the video mode.
flags |= SDL_SWSURFACE | SDL_HWPALETTE | SDL_DOUBLEBUF;
if (fullscreen)
{
flags |= SDL_FULLSCREEN;
}
screen = SDL_SetVideoMode(windowwidth, windowheight, 8, flags);
if (screen == NULL)
{
I_Error("Error setting video mode: %s\n", SDL_GetError());
}
// Start with a clear black screen
// (screen will be flipped after we set the palette)
if (SDL_LockSurface(screen) >= 0)
{
byte *screenpixels;
int y;
screenpixels = (byte *) screen->pixels;
for (y=0; y<screen->h; ++y)
memset(screenpixels + screen->pitch * y, 0, screen->w);
SDL_UnlockSurface(screen);
}
// Set the palette
I_SetPalette(doompal);
SDL_SetColors(screen, palette, 0, 256);
CreateCursors();
UpdateFocus();
UpdateGrab();
// In screensaver mode, now find a screen_mode to use.
if (screensaver_mode)
{
screen_mode = I_FindScreenMode(screen->w, screen->h);
if (screen_mode == NULL)
{
I_Error("I_InitGraphics: Unable to find a screen mode small "
"enough for %ix%i", screen->w, screen->h);
}
// Generate lookup tables before setting the video mode.
if (screen_mode->InitMode != NULL)
{
screen_mode->InitMode(doompal);
}
}
// On some systems, it takes a second or so for the screen to settle
// after changing modes. We include the option to add a delay when
// setting the screen mode, so that the game doesn't start immediately
// with the player unable to see anything.
if (fullscreen && !screensaver_mode)
{
SDL_Delay(startup_delay);
}
// Check if we have a native surface we can use
// If we have to lock the screen, draw to a buffer and copy
// Likewise if the screen pitch is not the same as the width
// If we have to multiply, drawing is done to a separate 320x200 buf
native_surface = !SDL_MUSTLOCK(screen)
&& screen_mode == &mode_scale_1x
&& screen->pitch == SCREENWIDTH
&& aspect_ratio_correct;
// If not, allocate a buffer and copy from that buffer to the
// screen when we do an update
if (native_surface)
{
screens[0] = (unsigned char *) screen->pixels;
screens[0] += (screen->h - SCREENHEIGHT) / 2;
}
else
{
screens[0] = (unsigned char *) Z_Malloc (SCREENWIDTH * SCREENHEIGHT,
PU_STATIC, NULL);
}
// "Loading from disk" icon
LoadDiskImage();
// Clear the screen to black.
memset(screens[0], 0, SCREENWIDTH * SCREENHEIGHT);
// We need SDL to give us translated versions of keys as well
SDL_EnableUNICODE(1);
// Repeat key presses - this is what Vanilla Doom does
// Not sure about repeat rate - probably dependent on which DOS
// driver is used. This is good enough though.
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
// clear out any events waiting at the start and center the mouse
while (SDL_PollEvent(&dummy));
if (usemouse && !nomouse && (fullscreen || grabmouse))
{
CenterMouse();
}
initialized = true;
}
void I_InitGraphics(void)
{
SDL_Event dummy;
byte *doompal;
char *env;
// Pass through the XSCREENSAVER_WINDOW environment variable to
// SDL_WINDOWID, to embed the SDL window into the Xscreensaver
// window.
env = getenv("XSCREENSAVER_WINDOW");
if (env != NULL)
{
char winenv[30];
int winid;
sscanf(env, "0x%x", &winid);
M_snprintf(winenv, sizeof(winenv), "SDL_WINDOWID=%i", winid);
putenv(winenv);
}
SetSDLVideoDriver();
SetWindowPositionVars();
if (SDL_Init(SDL_INIT_VIDEO) < 0)
{
I_Error("Failed to initialize video: %s", SDL_GetError());
}
// Set up title and icon. Windows cares about the ordering; this
// has to be done before the call to SDL_SetVideoMode.
I_InitWindowTitle();
I_InitWindowIcon();
// Warning to OS X users... though they might never see it :(
#ifdef __MACOSX__
if (fullscreen)
{
printf("Some old versions of OS X might crash in fullscreen mode.\n"
"If this happens to you, switch back to windowed mode.\n");
}
#endif
//
// Enter into graphics mode.
//
// When in screensaver mode, run full screen and auto detect
// screen dimensions (don't change video mode)
//
if (screensaver_mode)
{
SetVideoMode(NULL, 0, 0);
}
else
{
int w, h;
if (autoadjust_video_settings)
{
I_AutoAdjustSettings();
}
w = screen_width;
h = screen_height;
screen_mode = I_FindScreenMode(w, h);
if (screen_mode == NULL)
{
I_Error("I_InitGraphics: Unable to find a screen mode small "
"enough for %ix%i", w, h);
}
if (w != screen_mode->width || h != screen_mode->height)
{
printf("I_InitGraphics: %s (%ix%i within %ix%i)\n",
WindowBoxType(screen_mode, w, h),
screen_mode->width, screen_mode->height, w, h);
}
SetVideoMode(screen_mode, w, h);
}
// Start with a clear black screen
// (screen will be flipped after we set the palette)
SDL_FillRect(screenbuffer, NULL, 0);
// Set the palette
doompal = W_CacheLumpName(DEH_String("PLAYPAL"), PU_CACHE);
I_SetPalette(doompal);
SDL_SetColors(screenbuffer, palette, 0, 256);
CreateCursors();
UpdateFocus();
UpdateGrab();
// On some systems, it takes a second or so for the screen to settle
// after changing modes. We include the option to add a delay when
// setting the screen mode, so that the game doesn't start immediately
// with the player unable to see anything.
if (fullscreen && !screensaver_mode)
{
SDL_Delay(startup_delay);
}
// Check if we have a native surface we can use
// If we have to lock the screen, draw to a buffer and copy
// Likewise if the screen pitch is not the same as the width
// If we have to multiply, drawing is done to a separate 320x200 buf
native_surface = screen == screenbuffer
&& !SDL_MUSTLOCK(screen)
&& screen_mode == &mode_scale_1x
&& screen->pitch == SCREENWIDTH
&& aspect_ratio_correct;
// If not, allocate a buffer and copy from that buffer to the
// screen when we do an update
if (native_surface)
{
I_VideoBuffer = (unsigned char *) screen->pixels;
I_VideoBuffer += (screen->h - SCREENHEIGHT) / 2;
}
else
{
I_VideoBuffer = (unsigned char *) Z_Malloc (SCREENWIDTH * SCREENHEIGHT,
PU_STATIC, NULL);
}
V_RestoreBuffer();
// Clear the screen to black.
memset(I_VideoBuffer, 0, SCREENWIDTH * SCREENHEIGHT);
// We need SDL to give us translated versions of keys as well
SDL_EnableUNICODE(1);
// Repeat key presses - this is what Vanilla Doom does
// Not sure about repeat rate - probably dependent on which DOS
// driver is used. This is good enough though.
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
// clear out any events waiting at the start and center the mouse
while (SDL_PollEvent(&dummy));
initialized = true;
// Call I_ShutdownGraphics on quit
I_AtExit(I_ShutdownGraphics, true);
}
void I_InitGraphics(void)
{
SDL_Event dummy;
byte *doompal;
char *env;
// Pass through the XSCREENSAVER_WINDOW environment variable to
// SDL_WINDOWID, to embed the SDL window into the Xscreensaver
// window.
env = getenv("XSCREENSAVER_WINDOW");
if (env != NULL)
{
char winenv[30];
int winid;
sscanf(env, "0x%x", &winid);
M_snprintf(winenv, sizeof(winenv), "SDL_WINDOWID=%i", winid);
putenv(winenv);
}
SetSDLVideoDriver();
if (SDL_Init(SDL_INIT_VIDEO) < 0)
{
I_Error("Failed to initialize video: %s", SDL_GetError());
}
// When in screensaver mode, run full screen and auto detect
// screen dimensions (don't change video mode)
if (screensaver_mode)
{
fullscreen = true;
}
if (aspect_ratio_correct == 1)
{
actualheight = SCREENHEIGHT_4_3;
}
else
{
actualheight = SCREENHEIGHT;
}
// Create the game window; this may switch graphic modes depending
// on configuration.
AdjustWindowSize();
SetVideoMode();
// Start with a clear black screen
// (screen will be flipped after we set the palette)
SDL_FillRect(screenbuffer, NULL, 0);
// Set the palette
doompal = W_CacheLumpName(DEH_String("PLAYPAL"), PU_CACHE);
I_SetPalette(doompal);
SDL_SetPaletteColors(screenbuffer->format->palette, palette, 0, 256);
// SDL2-TODO UpdateFocus();
UpdateGrab();
// On some systems, it takes a second or so for the screen to settle
// after changing modes. We include the option to add a delay when
// setting the screen mode, so that the game doesn't start immediately
// with the player unable to see anything.
if (fullscreen && !screensaver_mode)
{
SDL_Delay(startup_delay);
}
// The actual 320x200 canvas that we draw to. This is the pixel buffer of
// the 8-bit paletted screen buffer that gets blit on an intermediate
// 32-bit RGBA screen buffer that gets loaded into a texture that gets
// finally rendered into our window or full screen in I_FinishUpdate().
I_VideoBuffer = screenbuffer->pixels;
V_RestoreBuffer();
// Clear the screen to black.
memset(I_VideoBuffer, 0, SCREENWIDTH * SCREENHEIGHT * sizeof(*I_VideoBuffer));
// clear out any events waiting at the start and center the mouse
while (SDL_PollEvent(&dummy));
initialized = true;
// Call I_ShutdownGraphics on quit
I_AtExit(I_ShutdownGraphics, true);
}
