[client,sdl] lock updates

use a critical section to lock SDL related data updates
This commit is contained in:
Armin Novak 2023-03-06 15:04:51 +01:00 committed by akallabeth
parent 340101e35e
commit af23e8f9a0
2 changed files with 31 additions and 10 deletions

View File

@ -388,9 +388,10 @@ static BOOL sdl_end_paint(rdpContext* context)
sdlContext* sdl = (sdlContext*)context;
WINPR_ASSERT(sdl);
if (!sdl_push_user_event(SDL_USEREVENT_UPDATE, context))
return FALSE;
return TRUE;
EnterCriticalSection(&sdl->critical);
const BOOL rc = sdl_push_user_event(SDL_USEREVENT_UPDATE, context);
LeaveCriticalSection(&sdl->critical);
return rc;
}
/* Create a SDL surface from the GDI buffer */
@ -611,16 +612,25 @@ static BOOL sdl_create_windows(sdlContext* sdl)
rc = TRUE;
fail:
if (!SetEvent(sdl->windows_created))
return FALSE;
rc = FALSE;
return rc;
}
static BOOL sdl_wait_create_windows(sdlContext* sdl)
{
if (!ResetEvent(sdl->windows_created))
return FALSE;
if (!sdl_push_user_event(SDL_USEREVENT_CREATE_WINDOWS, sdl))
BOOL res = FALSE;
EnterCriticalSection(&sdl->critical);
res = ResetEvent(sdl->windows_created);
if (!res)
goto unlock;
res = sdl_push_user_event(SDL_USEREVENT_CREATE_WINDOWS, sdl);
if (!res)
goto unlock;
unlock:
LeaveCriticalSection(&sdl->critical);
if (!res)
return FALSE;
HANDLE handles[] = { sdl->initialized, freerdp_abort_event(&sdl->common.context) };
@ -639,6 +649,8 @@ BOOL update_resizeable(sdlContext* sdl, BOOL enable)
{
WINPR_ASSERT(sdl);
EnterCriticalSection(&sdl->critical);
const rdpSettings* settings = sdl->common.context.settings;
const BOOL dyn = freerdp_settings_get_bool(settings, FreeRDP_DynamicResolutionUpdate);
const BOOL smart = freerdp_settings_get_bool(settings, FreeRDP_SmartSizing);
@ -651,6 +663,8 @@ BOOL update_resizeable(sdlContext* sdl, BOOL enable)
return FALSE;
}
sdl->resizeable = use;
LeaveCriticalSection(&sdl->critical);
return TRUE;
}
@ -658,6 +672,7 @@ BOOL update_fullscreen(sdlContext* sdl, BOOL enter)
{
WINPR_ASSERT(sdl);
EnterCriticalSection(&sdl->critical);
for (uint32_t x = 0; x < sdl->windowCount; x++)
{
sdl_window_t* window = &sdl->windows[x];
@ -665,6 +680,7 @@ BOOL update_fullscreen(sdlContext* sdl, BOOL enter)
return FALSE;
}
sdl->fullscreen = enter;
LeaveCriticalSection(&sdl->critical);
return TRUE;
}
@ -697,6 +713,7 @@ static int sdl_run(sdlContext* sdl)
SDL_Log("got event %s [0x%08" PRIx32 "]", sdl_event_type_str(windowEvent.type),
windowEvent.type);
#endif
EnterCriticalSection(&sdl->critical);
switch (windowEvent.type)
{
case SDL_QUIT:
@ -836,6 +853,7 @@ static int sdl_run(sdlContext* sdl)
default:
break;
}
LeaveCriticalSection(&sdl->critical);
}
}
@ -882,9 +900,6 @@ static BOOL sdl_post_connect(freerdp* instance)
if (!sdl_wait_create_windows(sdl))
return FALSE;
update_resizeable(sdl, FALSE);
update_fullscreen(sdl, context->settings->Fullscreen || context->settings->UseMultimon);
sdl->sdl_pixel_format = SDL_PIXELFORMAT_BGRA32;
if (!gdi_init(instance, PIXEL_FORMAT_BGRA32))
return FALSE;
@ -907,6 +922,9 @@ static BOOL sdl_post_connect(freerdp* instance)
context->update->DesktopResize = sdl_desktop_resize;
context->update->SetKeyboardIndicators = sdl_keyboard_set_indicators;
context->update->SetKeyboardImeStatus = sdl_keyboard_set_ime_status;
update_resizeable(sdl, FALSE);
update_fullscreen(sdl, context->settings->Fullscreen || context->settings->UseMultimon);
return TRUE;
}
@ -1136,6 +1154,7 @@ static BOOL sdl_client_new(freerdp* instance, rdpContext* context)
sdl->log = WLog_Get(SDL_TAG);
InitializeCriticalSection(&sdl->critical);
instance->PreConnect = sdl_pre_connect;
instance->PostConnect = sdl_post_connect;
instance->PostDisconnect = sdl_post_disconnect;
@ -1160,6 +1179,7 @@ static void sdl_client_free(freerdp* instance, rdpContext* context)
if (!context)
return;
DeleteCriticalSection(&sdl->critical);
CloseHandle(sdl->thread);
CloseHandle(sdl->initialize);
CloseHandle(sdl->initialized);

View File

@ -51,6 +51,7 @@ typedef struct
size_t windowCount;
sdl_window_t windows[16];
CRITICAL_SECTION critical;
HANDLE thread;
HANDLE initialize;
HANDLE initialized;