//
// I_FinishUpdate
//
void I_FinishUpdate (void)
{
static int lasttic;
int tics;
int i;
// UNUSED static unsigned char *bigscreen=0;
if (!initialized)
return;
if (noblit)
return;
UpdateGrab();
// Don't update the screen if the window isn't visible.
// Not doing this breaks under Windows when we alt-tab away
// while fullscreen.
if (!(SDL_GetAppState() & SDL_APPACTIVE))
return;
// draws little dots on the bottom of the screen
if (devparm)
{
i = I_GetTime();
tics = i - lasttic;
lasttic = i;
if (tics > 20) tics = 20;
for (i=0 ; i<tics*2 ; i+=4)
screens[0][ (SCREENHEIGHT-1)*SCREENWIDTH + i] = 0xff;
for ( ; i<20*4 ; i+=4)
screens[0][ (SCREENHEIGHT-1)*SCREENWIDTH + i] = 0x0;
}
// draw to screen
BlitArea(0, 0, SCREENWIDTH, SCREENHEIGHT);
// If we have a palette to set, the act of setting the palette
// updates the screen
if (palette_to_set)
{
SDL_SetColors(screen, palette, 0, 256);
palette_to_set = false;
}
else
{
SDL_Flip(screen);
}
}
static void UpdateRect(int x1, int y1, int x2, int y2)
{
int x1_scaled, x2_scaled, y1_scaled, y2_scaled;
// Do stretching and blitting
if (BlitArea(x1, y1, x2, y2))
{
// Update the area
x1_scaled = (x1 * screen_mode->width) / SCREENWIDTH;
y1_scaled = (y1 * screen_mode->height) / SCREENHEIGHT;
x2_scaled = (x2 * screen_mode->width) / SCREENWIDTH;
y2_scaled = (y2 * screen_mode->height) / SCREENHEIGHT;
SDL_UpdateRect(screen,
x1_scaled, y1_scaled,
x2_scaled - x1_scaled,
y2_scaled - y1_scaled);
}
}
//
// I_FinishUpdate
//
void I_FinishUpdate (void)
{
static int lasttic;
int tics;
int i;
if (!initialized)
return;
if (noblit)
return;
if (need_resize && SDL_GetTicks() > last_resize_time + 500)
{
ApplyWindowResize(resize_w, resize_h);
need_resize = false;
palette_to_set = true;
}
UpdateGrab();
// Don't update the screen if the window isn't visible.
// Not doing this breaks under Windows when we alt-tab away
// while fullscreen.
if (!(SDL_GetAppState() & SDL_APPACTIVE))
return;
// draws little dots on the bottom of the screen
if (display_fps_dots)
{
i = I_GetTime();
tics = i - lasttic;
lasttic = i;
if (tics > 20) tics = 20;
for (i=0 ; i<tics*4 ; i+=4)
I_VideoBuffer[ (SCREENHEIGHT-1)*SCREENWIDTH + i] = 0xff;
for ( ; i<20*4 ; i+=4)
I_VideoBuffer[ (SCREENHEIGHT-1)*SCREENWIDTH + i] = 0x0;
}
if (show_diskicon && disk_indicator == disk_on)
{
if (diskicon_readbytes >= diskicon_threshold)
{
V_BeginRead();
}
}
else if (disk_indicator == disk_dirty)
{
disk_indicator = disk_off;
}
diskicon_readbytes = 0;
// draw to screen
BlitArea(0, 0, SCREENWIDTH, SCREENHEIGHT);
if (palette_to_set)
{
SDL_SetColors(screenbuffer, palette, 0, 256);
palette_to_set = false;
// In native 8-bit mode, if we have a palette to set, the act
// of setting the palette updates the screen
if (screenbuffer == screen)
{
return;
}
}
// In 8in32 mode, we must blit from the fake 8-bit screen buffer
// to the real screen before doing a screen flip.
if (screenbuffer != screen)
{
SDL_Rect dst_rect;
// Center the buffer within the full screen space.
dst_rect.x = (screen->w - screenbuffer->w) / 2;
dst_rect.y = (screen->h - screenbuffer->h) / 2;
SDL_BlitSurface(screenbuffer, NULL, screen, &dst_rect);
}
SDL_Flip(screen);
}