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Fix for resolution switching corruption under SDL (Mac OS X).

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This commit is contained in:
asvitkine 2007-01-21 19:33:13 +00:00
parent a3c2413f3b
commit 473a3f2e22
1 changed files with 14 additions and 0 deletions
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14
BasiliskII/src/SDL/video_sdl.cpp
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@ -719,6 +719,8 @@ void driver_base::restore_mouse_accel(void)
* Windowed display driver
*/
static int SDL_display_opened = FALSE;
// Open display
driver_window::driver_window(SDL_monitor_desc &m)
: driver_base(m), mouse_grabbed(false)
@ -730,11 +732,23 @@ driver_window::driver_window(SDL_monitor_desc &m)
// Set absolute mouse mode
ADBSetRelMouseMode(mouse_grabbed);
// This is ugly:
// If we're switching resolutions (ie, not setting it for the first time),
// there's a bug in SDL where the SDL_Surface created will not be properly
// setup. The solution is to SDL_Quit() before calling SDL_SetVideoMode for
// the second time (SDL_SetVideoMode will call SDL_Init() and all will be
// well). Without this, the video becomes corrupted (at least on Mac OS X),
// after the resolution switch (for the second and subsequent times).
if (SDL_display_opened)
SDL_Quit();
// Create surface
int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH);
if ((s = SDL_SetVideoMode(width, height, depth, SDL_HWSURFACE)) == NULL)
return;
SDL_display_opened = TRUE;
#ifdef ENABLE_VOSF
use_vosf = true;
// Allocate memory for frame buffer (SIZE is extended to page-boundary)