diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/video/allegro_v.cpp | 49 | ||||
| -rw-r--r-- | src/video/sdl_v.cpp | 6 |
2 files changed, 41 insertions, 14 deletions
diff --git a/src/video/allegro_v.cpp b/src/video/allegro_v.cpp index 36581bcaa..455c991d2 100644 --- a/src/video/allegro_v.cpp +++ b/src/video/allegro_v.cpp @@ -20,6 +20,12 @@ #include "allegro_v.h" #include <allegro.h> +#ifdef _DEBUG +/* Allegro replaces SEGV/ABRT signals meaning that the debugger will never + * be triggered, so rereplace the signals and make the debugger userful. */ +#include <signal.h> +#endif + static FVideoDriver_Allegro iFVideoDriver_Allegro; static BITMAP *_allegro_screen; @@ -154,6 +160,9 @@ static void GetVideoModes() static void GetAvailableVideoMode(int *w, int *h) { + /* No video modes, so just try it and see where it ends */ + if (_num_resolutions == 0) return; + /* is the wanted mode among the available modes? */ for (int i = 0; i != _num_resolutions; i++) { if (*w == _resolutions[i].width && *h == _resolutions[i].height) return; @@ -179,21 +188,23 @@ static bool CreateMainSurface(int w, int h) if (bpp == 0) usererror("Can't use a blitter that blits 0 bpp for normal visuals"); set_color_depth(bpp); -#if defined(DOS) - /* Force DOS builds to ALWAYS use full screen as - * it can't do windowed. */ - _fullscreen = true; -#endif - - GetVideoModes(); GetAvailableVideoMode(&w, &h); - if (set_gfx_mode(_fullscreen ? GFX_AUTODETECT_FULLSCREEN : GFX_AUTODETECT_WINDOWED, w, h, 0, 0) != 0) return false; + if (set_gfx_mode(_fullscreen ? GFX_AUTODETECT_FULLSCREEN : GFX_AUTODETECT_WINDOWED, w, h, 0, 0) != 0) { + DEBUG(driver, 0, "Allegro: Couldn't allocate a window to draw on"); + return false; + } + + /* The size of the screen might be bigger than the part we can actually draw on! + * So calculate the size based on the top, bottom, left and right */ + _allegro_screen = create_bitmap_ex(bpp, screen->cr - screen->cl, screen->cb - screen->ct); + _screen.width = _allegro_screen->w; + _screen.height = _allegro_screen->h; + _screen.pitch = ((byte*)screen->line[1] - (byte*)screen->line[0]) / (bpp / 8); - _allegro_screen = create_bitmap(w, h); - _screen.width = w; - _screen.height = h; - _screen.pitch = ((byte*)screen->line[1] - (byte*)screen->line[0]) / (bitmap_color_depth(screen) / 8); + /* Initialise the screen so we don't blit garbage to the screen */ + memset(_allegro_screen->line[0], 0, _screen.height * _screen.pitch); + /* Set the mouse at the place where we expect it */ poll_mouse(); _cursor.pos.x = mouse_x; _cursor.pos.y = mouse_y; @@ -393,6 +404,20 @@ const char *VideoDriver_Allegro::Start(const char * const *parm) install_mouse(); install_keyboard(); +#if defined _DEBUG +/* Allegro replaces SEGV/ABRT signals meaning that the debugger will never + * be triggered, so rereplace the signals and make the debugger userful. */ + signal(SIGABRT, NULL); + signal(SIGSEGV, NULL); +#endif + +#if defined(DOS) + /* Force DOS builds to ALWAYS use full screen as + * it can't do windowed. */ + _fullscreen = true; +#endif + + GetVideoModes(); CreateMainSurface(_cur_resolution.width, _cur_resolution.height); MarkWholeScreenDirty(); set_close_button_callback(HandleExitGameRequest); diff --git a/src/video/sdl_v.cpp b/src/video/sdl_v.cpp index 3b38e991c..353105ea3 100644 --- a/src/video/sdl_v.cpp +++ b/src/video/sdl_v.cpp @@ -156,7 +156,7 @@ static void GetAvailableVideoMode(int *w, int *h) uint delta; // all modes available? - if (_all_modes) return; + if (_all_modes || _num_resolutions == 0) return; // is the wanted mode among the available modes? for (i = 0; i != _num_resolutions; i++) { @@ -213,8 +213,10 @@ static bool CreateMainSurface(int w, int h) // DO NOT CHANGE TO HWSURFACE, IT DOES NOT WORK newscreen = SDL_CALL SDL_SetVideoMode(w, h, bpp, SDL_SWSURFACE | SDL_HWPALETTE | (_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE)); - if (newscreen == NULL) + if (newscreen == NULL) { + DEBUG(driver, 0, "SDL: Couldn't allocate a window to draw on"); return false; + } _screen.width = newscreen->w; _screen.height = newscreen->h; |