diff options
Diffstat (limited to 'src/i_video.c')
| -rw-r--r-- | src/i_video.c | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/src/i_video.c b/src/i_video.c index dab0e09d..62c74b73 100644 --- a/src/i_video.c +++ b/src/i_video.c @@ -926,7 +926,14 @@ void I_FinishUpdate (void) if (screenbuffer != screen) { - SDL_BlitSurface(screenbuffer, NULL, screen, NULL); + 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); @@ -1625,16 +1632,10 @@ static void SetVideoMode(screen_mode_t *mode, int w, int h) w, h, screen_bpp, SDL_GetError()); } - if (screen->format->BitsPerPixel == 8) - { - screenbuffer = screen; - } - else - { - screenbuffer = SDL_CreateRGBSurface(SDL_SWSURFACE, - screen->w, screen->h, 8, - 0, 0, 0, 0); - } + // Blank out the full screen area in case there is any junk in + // the borders that won't otherwise be overwritten. + + SDL_FillRect(screen, NULL, 0); // If mode was not set, it must be set now that we know the // screen size. @@ -1657,6 +1658,22 @@ static void SetVideoMode(screen_mode_t *mode, int w, int h) } } + // Create the screenbuffer surface; if we have a real 8-bit palettized + // screen, then we can use the screen as the screenbuffer. + + if (screen->format->BitsPerPixel == 8) + { + screenbuffer = screen; + } + else + { + screenbuffer = SDL_CreateRGBSurface(SDL_SWSURFACE, + mode->width, mode->height, 8, + 0, 0, 0, 0); + + SDL_FillRect(screenbuffer, NULL, 0); + } + // Save screen mode. screen_mode = mode; @@ -1782,12 +1799,6 @@ void I_InitGraphics(void) I_SetPalette(doompal); SDL_SetColors(screenbuffer, palette, 0, 256); - if (screen != screenbuffer) - { - SDL_BlitSurface(screenbuffer, NULL, screen, NULL); - SDL_Flip(screen); - } - CreateCursors(); UpdateFocus(); |